Mataro, Catalonia, Spain Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
September Air Quality Analysis
Mataro, Catalonia, Spain
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
18th Sep 2023
88AQILowest AQI recorded on
24th Sep 2025
16AQISame Day Analysis (28th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 28 of Good air quality, showing improvement over 2025, 2023 and 2022 on the same day.
Day & Night AQI Trend: 28th Sep - 29th Sep 2026
Mataro, Catalonia, Spain
AQI
Day
Night
.
7 AM28th Sep 2026
8 PM
6 AM29th Sep 2026
Day time
Avg. Highest Time
11AM28th Sep
36AQI
Avg. Lowest Time
7PM28th Sep
22AQI
Night time
Avg. Highest Time
6AM29th Sep
26AQI
Avg. Lowest Time
11PM28th Sep
21AQI
In the last 24 hours,
Mataro's AQI reached its highest point of 36 at 11 AM during the Day, while the lowest point, 21, was recorded at 11 PM during the Night between 28th Sep and 29th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Mataro, Catalonia, Spain
AugSep
31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th
Day
Night
31st Aug 2026627 AMAQI
31st Aug 2026628 AMAQI
31st Aug 2026619 AMAQI
31st Aug 20265710 AMAQI
31st Aug 20266811 AMAQI
31st Aug 20266812 PMAQI
31st Aug 2026701 PMAQI
31st Aug 2026602 PMAQI
31st Aug 2026603 PMAQI
31st Aug 2026604 PMAQI
31st Aug 2026615 PMAQI
31st Aug 2026546 PMAQI
31st Aug 2026217 PMAQI
31st Aug 2026568 PMAQI
31st Aug 2026459 PMAQI
31st Aug 20265610 PMAQI
31st Aug 20265811 PMAQI
1st Sep 20265412 AMAQI
1st Sep 2026371 AMAQI
1st Sep 2026232 AMAQI
1st Sep 2026223 AMAQI
1st Sep 2026224 AMAQI
1st Sep 2026235 AMAQI
1st Sep 2026226 AMAQI
25°C23/26°C
1st Sep 2026237 AMAQI
1st Sep 2026548 AMAQI
1st Sep 2026549 AMAQI
1st Sep 20265510 AMAQI
1st Sep 20265811 AMAQI
1st Sep 20266012 PMAQI
1st Sep 2026581 PMAQI
1st Sep 2026322 PMAQI
1st Sep 2026303 PMAQI
1st Sep 2026274 PMAQI
1st Sep 2026285 PMAQI
1st Sep 2026276 PMAQI
1st Sep 2026277 PMAQI
1st Sep 2026288 PMAQI
1st Sep 2026269 PMAQI
1st Sep 20262610 PMAQI
1st Sep 20262711 PMAQI
2nd Sep 20262812 AMAQI
2nd Sep 2026271 AMAQI
2nd Sep 2026292 AMAQI
2nd Sep 2026293 AMAQI
2nd Sep 2026264 AMAQI
2nd Sep 2026325 AMAQI
2nd Sep 2026286 AMAQI
25°C24/27°C
2nd Sep 2026267 AMAQI
2nd Sep 2026268 AMAQI
2nd Sep 2026279 AMAQI
2nd Sep 20262610 AMAQI
2nd Sep 20262911 AMAQI
2nd Sep 20263012 PMAQI
2nd Sep 2026291 PMAQI
2nd Sep 2026302 PMAQI
2nd Sep 2026303 PMAQI
2nd Sep 2026284 PMAQI
2nd Sep 2026275 PMAQI
2nd Sep 2026296 PMAQI
2nd Sep 2026297 PMAQI
2nd Sep 2026298 PMAQI
2nd Sep 2026289 PMAQI
2nd Sep 20262810 PMAQI
2nd Sep 20262911 PMAQI
3rd Sep 20262912 AMAQI
3rd Sep 2026291 AMAQI
3rd Sep 2026302 AMAQI
3rd Sep 2026313 AMAQI
3rd Sep 2026304 AMAQI
3rd Sep 2026315 AMAQI
3rd Sep 2026326 AMAQI
25°C24/27°C
3rd Sep 2026307 AMAQI
3rd Sep 2026308 AMAQI
3rd Sep 2026299 AMAQI
3rd Sep 20263310 AMAQI
3rd Sep 20263411 AMAQI
3rd Sep 20263212 PMAQI
3rd Sep 2026361 PMAQI
3rd Sep 2026362 PMAQI
3rd Sep 2026303 PMAQI
3rd Sep 2026304 PMAQI
3rd Sep 2026305 PMAQI
3rd Sep 2026306 PMAQI
3rd Sep 2026327 PMAQI
3rd Sep 2026308 PMAQI
3rd Sep 2026329 PMAQI
3rd Sep 20263210 PMAQI
3rd Sep 20263211 PMAQI
4th Sep 20263212 AMAQI
4th Sep 2026321 AMAQI
4th Sep 2026282 AMAQI
4th Sep 2026303 AMAQI
4th Sep 2026324 AMAQI
4th Sep 2026385 AMAQI
4th Sep 2026396 AMAQI
26°C25/27°C
4th Sep 2026387 AMAQI
4th Sep 2026388 AMAQI
4th Sep 2026399 AMAQI
4th Sep 20264010 AMAQI
4th Sep 20264211 AMAQI
4th Sep 20264212 PMAQI
4th Sep 2026461 PMAQI
4th Sep 2026442 PMAQI
4th Sep 2026403 PMAQI
4th Sep 2026404 PMAQI
4th Sep 2026405 PMAQI
4th Sep 2026386 PMAQI
4th Sep 2026387 PMAQI
4th Sep 2026408 PMAQI
4th Sep 2026409 PMAQI
4th Sep 20264010 PMAQI
4th Sep 20264211 PMAQI
5th Sep 20264312 AMAQI
5th Sep 2026421 AMAQI
5th Sep 2026442 AMAQI
5th Sep 2026423 AMAQI
5th Sep 2026424 AMAQI
5th Sep 2026445 AMAQI
5th Sep 2026456 AMAQI
26°C25/27°C
5th Sep 2026457 AMAQI
5th Sep 2026468 AMAQI
5th Sep 2026469 AMAQI
5th Sep 20264610 AMAQI
5th Sep 20264511 AMAQI
5th Sep 20264612 PMAQI
5th Sep 2026591 PMAQI
5th Sep 2026382 PMAQI
5th Sep 2026403 PMAQI
5th Sep 2026364 PMAQI
5th Sep 2026345 PMAQI
5th Sep 2026326 PMAQI
5th Sep 2026347 PMAQI
5th Sep 2026328 PMAQI
5th Sep 2026329 PMAQI
5th Sep 20263810 PMAQI
5th Sep 20263611 PMAQI
6th Sep 20263612 AMAQI
6th Sep 2026361 AMAQI
6th Sep 2026342 AMAQI
6th Sep 2026333 AMAQI
6th Sep 2026344 AMAQI
6th Sep 2026355 AMAQI
6th Sep 2026366 AMAQI
27°C26/28°C
6th Sep 2026387 AMAQI
6th Sep 2026388 AMAQI
6th Sep 2026389 AMAQI
6th Sep 20265010 AMAQI
6th Sep 20265111 AMAQI
6th Sep 20264212 PMAQI
6th Sep 2026441 PMAQI
6th Sep 2026432 PMAQI
6th Sep 2026323 PMAQI
6th Sep 2026274 PMAQI
6th Sep 2026255 PMAQI
6th Sep 2026266 PMAQI
6th Sep 2026257 PMAQI
6th Sep 2026308 PMAQI
6th Sep 2026289 PMAQI
6th Sep 20262610 PMAQI
6th Sep 20262711 PMAQI
7th Sep 20262512 AMAQI
7th Sep 2026251 AMAQI
7th Sep 2026362 AMAQI
7th Sep 2026283 AMAQI
7th Sep 2026264 AMAQI
7th Sep 2026285 AMAQI
7th Sep 2026296 AMAQI
27°C25/28°C
7th Sep 2026327 AMAQI
7th Sep 2026328 AMAQI
7th Sep 2026309 AMAQI
7th Sep 20262910 AMAQI
7th Sep 20263211 AMAQI
7th Sep 20262812 PMAQI
7th Sep 2026321 PMAQI
7th Sep 2026322 PMAQI
7th Sep 2026363 PMAQI
7th Sep 2026324 PMAQI
7th Sep 2026325 PMAQI
7th Sep 2026306 PMAQI
7th Sep 2026307 PMAQI
7th Sep 2026308 PMAQI
7th Sep 2026329 PMAQI
7th Sep 20263210 PMAQI
7th Sep 20263211 PMAQI
8th Sep 20263212 AMAQI
8th Sep 2026321 AMAQI
8th Sep 2026352 AMAQI
8th Sep 2026343 AMAQI
8th Sep 2026384 AMAQI
8th Sep 2026365 AMAQI
8th Sep 2026366 AMAQI
26°C25/27°C
8th Sep 2026347 AMAQI
8th Sep 2026368 AMAQI
8th Sep 2026389 AMAQI
8th Sep 20263910 AMAQI
8th Sep 20264311 AMAQI
8th Sep 20264512 PMAQI
8th Sep 2026451 PMAQI
8th Sep 2026422 PMAQI
8th Sep 2026363 PMAQI
8th Sep 2026344 PMAQI
8th Sep 2026345 PMAQI
8th Sep 2026326 PMAQI
8th Sep 2026327 PMAQI
8th Sep 2026348 PMAQI
8th Sep 2026369 PMAQI
8th Sep 20263610 PMAQI
8th Sep 20263811 PMAQI
9th Sep 20263812 AMAQI
9th Sep 2026381 AMAQI
9th Sep 2026382 AMAQI
9th Sep 2026383 AMAQI
9th Sep 2026384 AMAQI
9th Sep 2026385 AMAQI
9th Sep 2026366 AMAQI
27°C25/28°C
9th Sep 2026387 AMAQI
9th Sep 2026368 AMAQI
9th Sep 2026369 AMAQI
9th Sep 20263810 AMAQI
9th Sep 20264011 AMAQI
9th Sep 20264012 PMAQI
9th Sep 2026361 PMAQI
9th Sep 2026302 PMAQI
9th Sep 2026303 PMAQI
9th Sep 2026294 PMAQI
9th Sep 2026295 PMAQI
9th Sep 2026306 PMAQI
9th Sep 2026307 PMAQI
9th Sep 2026288 PMAQI
9th Sep 2026299 PMAQI
9th Sep 20262710 PMAQI
9th Sep 20262811 PMAQI
10th Sep 20262612 AMAQI
10th Sep 2026271 AMAQI
10th Sep 2026272 AMAQI
10th Sep 2026273 AMAQI
10th Sep 2026264 AMAQI
10th Sep 2026275 AMAQI
10th Sep 2026256 AMAQI
23°C21/27°C
10th Sep 2026267 AMAQI
10th Sep 2026258 AMAQI
10th Sep 2026259 AMAQI
10th Sep 20262410 AMAQI
10th Sep 20262211 AMAQI
10th Sep 20262212 PMAQI
10th Sep 2026231 PMAQI
10th Sep 2026212 PMAQI
10th Sep 2026213 PMAQI
10th Sep 2026224 PMAQI
10th Sep 2026345 PMAQI
10th Sep 2026466 PMAQI
10th Sep 2026417 PMAQI
10th Sep 2026348 PMAQI
10th Sep 2026319 PMAQI
10th Sep 20262710 PMAQI
10th Sep 20263111 PMAQI
11th Sep 20264312 AMAQI
11th Sep 2026271 AMAQI
11th Sep 2026252 AMAQI
11th Sep 2026233 AMAQI
11th Sep 2026214 AMAQI
11th Sep 2026215 AMAQI
11th Sep 2026236 AMAQI
22°C20/23°C
11th Sep 2026217 AMAQI
11th Sep 2026218 AMAQI
11th Sep 2026219 AMAQI
11th Sep 20262410 AMAQI
11th Sep 20262711 AMAQI
11th Sep 20262312 PMAQI
11th Sep 2026231 PMAQI
11th Sep 2026242 PMAQI
11th Sep 2026223 PMAQI
11th Sep 2026214 PMAQI
11th Sep 2026255 PMAQI
11th Sep 2026216 PMAQI
11th Sep 2026237 PMAQI
11th Sep 2026238 PMAQI
11th Sep 2026229 PMAQI
11th Sep 20262210 PMAQI
11th Sep 20262311 PMAQI
12th Sep 20262312 AMAQI
12th Sep 2026221 AMAQI
12th Sep 2026222 AMAQI
12th Sep 2026213 AMAQI
12th Sep 2026214 AMAQI
12th Sep 2026215 AMAQI
12th Sep 2026216 AMAQI
23°C21/25°C
12th Sep 2026217 AMAQI
12th Sep 2026288 AMAQI
12th Sep 2026289 AMAQI
12th Sep 20262410 AMAQI
12th Sep 20262111 AMAQI
12th Sep 20262312 PMAQI
12th Sep 2026241 PMAQI
12th Sep 2026242 PMAQI
12th Sep 2026223 PMAQI
12th Sep 2026214 PMAQI
12th Sep 2026215 PMAQI
12th Sep 2026216 PMAQI
12th Sep 2026217 PMAQI
12th Sep 2026218 PMAQI
12th Sep 2026219 PMAQI
12th Sep 20262111 PMAQI
13th Sep 20262112 AMAQI
13th Sep 2026221 AMAQI
13th Sep 2026232 AMAQI
13th Sep 2026233 AMAQI
13th Sep 2026254 AMAQI
13th Sep 2026235 AMAQI
13th Sep 2026226 AMAQI
24°C22/25°C
13th Sep 2026217 AMAQI
13th Sep 2026218 AMAQI
13th Sep 2026219 AMAQI
13th Sep 20262110 AMAQI
13th Sep 20262511 AMAQI
13th Sep 20262612 PMAQI
13th Sep 2026281 PMAQI
13th Sep 2026272 PMAQI
13th Sep 2026263 PMAQI
13th Sep 2026214 PMAQI
13th Sep 2026215 PMAQI
13th Sep 2026216 PMAQI
13th Sep 2026237 PMAQI
13th Sep 2026238 PMAQI
13th Sep 2026239 PMAQI
13th Sep 20262110 PMAQI
13th Sep 20262111 PMAQI
14th Sep 20262112 AMAQI
14th Sep 2026231 AMAQI
14th Sep 2026222 AMAQI
14th Sep 2026233 AMAQI
14th Sep 2026234 AMAQI
14th Sep 2026225 AMAQI
14th Sep 2026236 AMAQI
24°C23/26°C
14th Sep 2026237 AMAQI
14th Sep 2026258 AMAQI
14th Sep 2026249 AMAQI
14th Sep 20262210 AMAQI
14th Sep 20262711 AMAQI
14th Sep 20263012 PMAQI
14th Sep 2026271 PMAQI
14th Sep 2026272 PMAQI
14th Sep 2026263 PMAQI
14th Sep 2026314 PMAQI
14th Sep 2026295 PMAQI
14th Sep 2026296 PMAQI
14th Sep 2026277 PMAQI
14th Sep 2026238 PMAQI
14th Sep 2026259 PMAQI
14th Sep 20262610 PMAQI
14th Sep 20262611 PMAQI
15th Sep 20262812 AMAQI
15th Sep 2026301 AMAQI
15th Sep 2026322 AMAQI
15th Sep 2026323 AMAQI
15th Sep 2026284 AMAQI
15th Sep 2026325 AMAQI
15th Sep 2026326 AMAQI
26°C24/28°C
15th Sep 2026327 AMAQI
15th Sep 2026328 AMAQI
15th Sep 2026329 AMAQI
15th Sep 20263410 AMAQI
15th Sep 20264611 AMAQI
15th Sep 20263812 PMAQI
15th Sep 2026401 PMAQI
15th Sep 2026422 PMAQI
15th Sep 2026383 PMAQI
15th Sep 2026324 PMAQI
15th Sep 2026275 PMAQI
15th Sep 2026286 PMAQI
15th Sep 2026307 PMAQI
15th Sep 2026308 PMAQI
15th Sep 2026329 PMAQI
15th Sep 20262910 PMAQI
15th Sep 20263011 PMAQI
16th Sep 20263012 AMAQI
16th Sep 2026301 AMAQI
16th Sep 2026362 AMAQI
16th Sep 2026363 AMAQI
16th Sep 2026364 AMAQI
16th Sep 2026325 AMAQI
16th Sep 2026296 AMAQI
26°C25/27°C
16th Sep 2026307 AMAQI
16th Sep 2026308 AMAQI
16th Sep 2026329 AMAQI
16th Sep 20263210 AMAQI
16th Sep 20264211 AMAQI
16th Sep 20263612 PMAQI
16th Sep 2026391 PMAQI
16th Sep 2026392 PMAQI
16th Sep 2026343 PMAQI
16th Sep 2026344 PMAQI
16th Sep 2026305 PMAQI
16th Sep 2026306 PMAQI
16th Sep 2026297 PMAQI
16th Sep 2026288 PMAQI
16th Sep 2026269 PMAQI
16th Sep 20262510 PMAQI
16th Sep 20262811 PMAQI
17th Sep 20262512 AMAQI
17th Sep 2026261 AMAQI
17th Sep 2026262 AMAQI
17th Sep 2026263 AMAQI
17th Sep 2026274 AMAQI
17th Sep 2026265 AMAQI
17th Sep 2026286 AMAQI
24°C21/25°C
17th Sep 2026277 AMAQI
17th Sep 2026308 AMAQI
17th Sep 2026299 AMAQI
17th Sep 20263010 AMAQI
17th Sep 20262911 AMAQI
17th Sep 20262912 PMAQI
17th Sep 2026301 PMAQI
17th Sep 2026282 PMAQI
17th Sep 2026253 PMAQI
17th Sep 2026244 PMAQI
17th Sep 2026245 PMAQI
17th Sep 2026236 PMAQI
17th Sep 2026227 PMAQI
17th Sep 2026228 PMAQI
17th Sep 2026229 PMAQI
17th Sep 20262110 PMAQI
17th Sep 20262211 PMAQI
18th Sep 20262112 AMAQI
18th Sep 2026211 AMAQI
18th Sep 2026212 AMAQI
18th Sep 2026213 AMAQI
18th Sep 2026214 AMAQI
18th Sep 2026235 AMAQI
18th Sep 2026236 AMAQI
22°C20/23°C
18th Sep 2026237 AMAQI
18th Sep 2026238 AMAQI
18th Sep 2026229 AMAQI
18th Sep 20262310 AMAQI
18th Sep 20262411 AMAQI
18th Sep 20262312 PMAQI
18th Sep 2026231 PMAQI
18th Sep 2026232 PMAQI
18th Sep 2026233 PMAQI
18th Sep 2026234 PMAQI
18th Sep 2026235 PMAQI
18th Sep 2026226 PMAQI
18th Sep 2026217 PMAQI
18th Sep 2026218 PMAQI
18th Sep 2026219 PMAQI
18th Sep 20262110 PMAQI
18th Sep 20262111 PMAQI
19th Sep 20262112 AMAQI
19th Sep 2026211 AMAQI
19th Sep 2026212 AMAQI
19th Sep 2026223 AMAQI
19th Sep 2026224 AMAQI
19th Sep 2026215 AMAQI
19th Sep 2026216 AMAQI
22°C20/23°C
19th Sep 2026217 AMAQI
19th Sep 2026238 AMAQI
19th Sep 2026259 AMAQI
19th Sep 20262510 AMAQI
19th Sep 20262811 AMAQI
19th Sep 20262612 PMAQI
19th Sep 2026271 PMAQI
19th Sep 2026272 PMAQI
19th Sep 2026263 PMAQI
19th Sep 2026254 PMAQI
19th Sep 2026255 PMAQI
19th Sep 2026256 PMAQI
19th Sep 2026257 PMAQI
19th Sep 2026258 PMAQI
19th Sep 2026259 PMAQI
19th Sep 20262510 PMAQI
19th Sep 20262511 PMAQI
20th Sep 20262512 AMAQI
20th Sep 2026251 AMAQI
20th Sep 2026252 AMAQI
20th Sep 2026243 AMAQI
20th Sep 2026234 AMAQI
20th Sep 2026235 AMAQI
20th Sep 2026236 AMAQI
22°C21/24°C
20th Sep 2026247 AMAQI
20th Sep 2026248 AMAQI
20th Sep 2026229 AMAQI
20th Sep 20262210 AMAQI
20th Sep 20262111 AMAQI
20th Sep 20262112 PMAQI
20th Sep 2026211 PMAQI
20th Sep 2026212 PMAQI
20th Sep 2026213 PMAQI
20th Sep 2026214 PMAQI
20th Sep 2026225 PMAQI
20th Sep 2026216 PMAQI
20th Sep 2026237 PMAQI
20th Sep 2026228 PMAQI
20th Sep 2026259 PMAQI
20th Sep 20262710 PMAQI
20th Sep 20262511 PMAQI
21st Sep 20262512 AMAQI
21st Sep 2026251 AMAQI
21st Sep 2026242 AMAQI
21st Sep 2026233 AMAQI
21st Sep 2026224 AMAQI
21st Sep 2026215 AMAQI
21st Sep 2026236 AMAQI
23°C21/24°C
21st Sep 2026257 AMAQI
21st Sep 2026258 AMAQI
21st Sep 2026299 AMAQI
21st Sep 20262710 AMAQI
21st Sep 20263011 AMAQI
21st Sep 20263112 PMAQI
21st Sep 2026271 PMAQI
21st Sep 2026252 PMAQI
21st Sep 2026273 PMAQI
21st Sep 2026284 PMAQI
21st Sep 2026295 PMAQI
21st Sep 2026296 PMAQI
21st Sep 2026297 PMAQI
21st Sep 2026398 PMAQI
21st Sep 2026319 PMAQI
21st Sep 20263910 PMAQI
21st Sep 20263611 PMAQI
22nd Sep 20263212 AMAQI
22nd Sep 2026321 AMAQI
22nd Sep 2026302 AMAQI
22nd Sep 2026343 AMAQI
22nd Sep 2026304 AMAQI
22nd Sep 2026345 AMAQI
22nd Sep 2026326 AMAQI
25°C23/26°C
22nd Sep 2026307 AMAQI
22nd Sep 2026328 AMAQI
22nd Sep 2026289 AMAQI
22nd Sep 20263610 AMAQI
22nd Sep 20263211 AMAQI
22nd Sep 20263412 PMAQI
22nd Sep 2026351 PMAQI
22nd Sep 2026392 PMAQI
22nd Sep 2026363 PMAQI
22nd Sep 2026284 PMAQI
22nd Sep 2026215 PMAQI
22nd Sep 2026216 PMAQI
22nd Sep 2026217 PMAQI
22nd Sep 2026228 PMAQI
22nd Sep 2026289 PMAQI
22nd Sep 20262110 PMAQI
22nd Sep 20262411 PMAQI
23rd Sep 20262112 AMAQI
23rd Sep 2026231 AMAQI
23rd Sep 2026212 AMAQI
23rd Sep 2026233 AMAQI
23rd Sep 2026214 AMAQI
23rd Sep 2026225 AMAQI
23rd Sep 2026236 AMAQI
24°C22/25°C
23rd Sep 2026237 AMAQI
23rd Sep 2026258 AMAQI
23rd Sep 2026309 AMAQI
23rd Sep 20262910 AMAQI
23rd Sep 20262911 AMAQI
23rd Sep 20262612 PMAQI
23rd Sep 2026251 PMAQI
23rd Sep 2026252 PMAQI
23rd Sep 2026233 PMAQI
23rd Sep 2026254 PMAQI
23rd Sep 2026255 PMAQI
23rd Sep 2026256 PMAQI
23rd Sep 2026257 PMAQI
23rd Sep 2026258 PMAQI
23rd Sep 2026249 PMAQI
23rd Sep 20262410 PMAQI
23rd Sep 20262411 PMAQI
24th Sep 20262412 AMAQI
24th Sep 2026241 AMAQI
24th Sep 2026232 AMAQI
24th Sep 2026253 AMAQI
24th Sep 2026254 AMAQI
24th Sep 2026255 AMAQI
24th Sep 2026256 AMAQI
23°C22/25°C
24th Sep 2026237 AMAQI
24th Sep 2026258 AMAQI
24th Sep 2026249 AMAQI
24th Sep 20262410 AMAQI
24th Sep 20262611 AMAQI
24th Sep 20262812 PMAQI
24th Sep 2026281 PMAQI
24th Sep 2026262 PMAQI
24th Sep 2026283 PMAQI
24th Sep 2026264 PMAQI
24th Sep 2026275 PMAQI
24th Sep 2026276 PMAQI
24th Sep 2026277 PMAQI
24th Sep 2026258 PMAQI
24th Sep 2026279 PMAQI
24th Sep 20262710 PMAQI
24th Sep 20262911 PMAQI
25th Sep 20263012 AMAQI
25th Sep 2026301 AMAQI
25th Sep 2026342 AMAQI
25th Sep 2026343 AMAQI
25th Sep 2026344 AMAQI
25th Sep 2026345 AMAQI
25th Sep 2026326 AMAQI
24°C22/25°C
25th Sep 2026347 AMAQI
25th Sep 2026348 AMAQI
25th Sep 2026329 AMAQI
25th Sep 20263010 AMAQI
25th Sep 20264211 AMAQI
25th Sep 20263812 PMAQI
25th Sep 2026381 PMAQI
25th Sep 2026402 PMAQI
25th Sep 2026403 PMAQI
25th Sep 2026334 PMAQI
25th Sep 2026245 PMAQI
25th Sep 2026236 PMAQI
25th Sep 2026237 PMAQI
25th Sep 2026248 PMAQI
25th Sep 2026259 PMAQI
25th Sep 20262510 PMAQI
25th Sep 20262511 PMAQI
26th Sep 20263212 AMAQI
26th Sep 2026301 AMAQI
26th Sep 2026322 AMAQI
26th Sep 2026323 AMAQI
26th Sep 2026284 AMAQI
26th Sep 2026385 AMAQI
26th Sep 2026326 AMAQI
24°C23/26°C
26th Sep 2026327 AMAQI
26th Sep 2026328 AMAQI
26th Sep 2026349 AMAQI
26th Sep 20263410 AMAQI
26th Sep 20263811 AMAQI
26th Sep 20263612 PMAQI
26th Sep 2026371 PMAQI
26th Sep 2026372 PMAQI
26th Sep 2026343 PMAQI
26th Sep 2026284 PMAQI
26th Sep 2026255 PMAQI
26th Sep 2026256 PMAQI
26th Sep 2026307 PMAQI
26th Sep 2026288 PMAQI
26th Sep 2026289 PMAQI
26th Sep 20263510 PMAQI
26th Sep 20262611 PMAQI
27th Sep 20262712 AMAQI
27th Sep 2026281 AMAQI
27th Sep 2026272 AMAQI
27th Sep 2026303 AMAQI
27th Sep 2026304 AMAQI
27th Sep 2026345 AMAQI
27th Sep 2026346 AMAQI
23°C22/24°C
27th Sep 2026347 AMAQI
27th Sep 2026348 AMAQI
27th Sep 2026349 AMAQI
27th Sep 20263810 AMAQI
27th Sep 20263811 AMAQI
27th Sep 20263612 PMAQI
27th Sep 2026361 PMAQI
27th Sep 2026342 PMAQI
27th Sep 2026343 PMAQI
27th Sep 2026324 PMAQI
27th Sep 2026305 PMAQI
27th Sep 2026296 PMAQI
27th Sep 2026277 PMAQI
27th Sep 2026318 PMAQI
27th Sep 2026309 PMAQI
27th Sep 20262910 PMAQI
27th Sep 20262811 PMAQI
28th Sep 20263012 AMAQI
28th Sep 2026301 AMAQI
28th Sep 2026302 AMAQI
28th Sep 2026363 AMAQI
28th Sep 2026324 AMAQI
28th Sep 2026295 AMAQI
28th Sep 2026306 AMAQI
23°C22/24°C
28th Sep 2026317 AMAQI
28th Sep 2026328 AMAQI
28th Sep 2026349 AMAQI
28th Sep 20263410 AMAQI
28th Sep 20263611 AMAQI
28th Sep 20263612 PMAQI
28th Sep 2026291 PMAQI
28th Sep 2026292 PMAQI
28th Sep 2026273 PMAQI
28th Sep 2026254 PMAQI
28th Sep 2026245 PMAQI
28th Sep 2026226 PMAQI
28th Sep 2026227 PMAQI
28th Sep 2026248 PMAQI
28th Sep 2026229 PMAQI
28th Sep 20262310 PMAQI
28th Sep 20262111 PMAQI
29th Sep 20262212 AMAQI
29th Sep 2026251 AMAQI
29th Sep 2026222 AMAQI
29th Sep 2026233 AMAQI
29th Sep 2026234 AMAQI
29th Sep 2026255 AMAQI
29th Sep 2026266 AMAQI
23°C21/24°C
29th Sep 2026247 AMAQI
7 AM29th Sep 2026258 AMAQI
29th Sep 2026249 AMAQI
29th Sep 20262610 AMAQI
29th Sep 20263011 AMAQI
29th Sep 20263212 PMAQI
29th Sep 2026301 PMAQI
1 PM29th Sep 2026272 PMAQI
29th Sep 2026263 PMAQI
29th Sep 2026304 PMAQI
29th Sep 2026285 PMAQI
29th Sep 2026306 PMAQI
29th Sep 2026267 PMAQI
29th Sep 2026278 PMAQI
8 PM29th Sep 2026249 PMAQI
29th Sep 20262810 PMAQI
29th Sep 20262811 PMAQI
1 AM
6 AM
23°C22/24°C
Day time
Avg. Highest Time
11 AM - 1 PM
35AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
7 PM
27AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 1 PM (Avg. 35), while the lowest AQI was between 7 PM to 7 PM (Avg. 27).
Night time
Avg. Highest Time
12 AM
30AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM
28AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 30), while the lowest AQI was between 4 AM to 4 AM (Avg. 28).
2026 Days Vs Air Quality
Mataro, Catalonia, Spain
2026
78%
210
22%
58
Total number of days with different AQI categories in last 272 days in 2026 (93 days remaining)
Good
210 DaysModerate
58 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2026, 78% of 272 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Mataro, Catalonia, Spain
AQI levels in 2026
AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
61AQI (US)
61AQI (US)
2nd January 2026
51AQI (US)
51AQI (US)
3rd January 2026
58AQI (US)
58AQI (US)
4th January 2026
54AQI (US)
54AQI (US)
5th January 2026
38AQI (US)
38AQI (US)
6th January 2026
41AQI (US)
41AQI (US)
7th January 2026
28AQI (US)
28AQI (US)
8th January 2026
34AQI (US)
34AQI (US)
9th January 2026
24AQI (US)
24AQI (US)
10th January 2026
14AQI (US)
14AQI (US)
11th January 2026
34AQI (US)
34AQI (US)
12th January 2026
52AQI (US)
52AQI (US)
13th January 2026
65AQI (US)
65AQI (US)
14th January 2026
82AQI (US)
82AQI (US)
15th January 2026
83AQI (US)
83AQI (US)
16th January 2026
72AQI (US)
72AQI (US)
17th January 2026
52AQI (US)
52AQI (US)
18th January 2026
34AQI (US)
34AQI (US)
19th January 2026
23AQI (US)
23AQI (US)
20th January 2026
17AQI (US)
17AQI (US)
21st January 2026
40AQI (US)
40AQI (US)
22nd January 2026
35AQI (US)
35AQI (US)
23rd January 2026
36AQI (US)
36AQI (US)
24th January 2026
28AQI (US)
28AQI (US)
25th January 2026
24AQI (US)
24AQI (US)
26th January 2026
18AQI (US)
18AQI (US)
27th January 2026
36AQI (US)
36AQI (US)
28th January 2026
26AQI (US)
26AQI (US)
29th January 2026
23AQI (US)
23AQI (US)
30th January 2026
36AQI (US)
36AQI (US)
31st January 2026
34AQI (US)
34AQI (US)
1st February 2026
28AQI (US)
28AQI (US)
2nd February 2026
64AQI (US)
64AQI (US)
3rd February 2026
42AQI (US)
42AQI (US)
4th February 2026
40AQI (US)
40AQI (US)
5th February 2026
38AQI (US)
38AQI (US)
6th February 2026
25AQI (US)
25AQI (US)
7th February 2026
25AQI (US)
25AQI (US)
8th February 2026
25AQI (US)
25AQI (US)
9th February 2026
26AQI (US)
26AQI (US)
10th February 2026
34AQI (US)
34AQI (US)
11th February 2026
20AQI (US)
20AQI (US)
12th February 2026
15AQI (US)
15AQI (US)
13th February 2026
34AQI (US)
34AQI (US)
14th February 2026
20AQI (US)
20AQI (US)
15th February 2026
19AQI (US)
19AQI (US)
16th February 2026
28AQI (US)
28AQI (US)
17th February 2026
22AQI (US)
22AQI (US)
18th February 2026
38AQI (US)
38AQI (US)
19th February 2026
32AQI (US)
32AQI (US)
20th February 2026
26AQI (US)
26AQI (US)
21st February 2026
41AQI (US)
41AQI (US)
22nd February 2026
62AQI (US)
62AQI (US)
23rd February 2026
78AQI (US)
78AQI (US)
24th February 2026
86AQI (US)
86AQI (US)
25th February 2026
92AQI (US)
92AQI (US)
26th February 2026
74AQI (US)
74AQI (US)
27th February 2026
84AQI (US)
84AQI (US)
28th February 2026
62AQI (US)
62AQI (US)
1st March 2026
41AQI (US)
41AQI (US)
2nd March 2026
50AQI (US)
50AQI (US)
3rd March 2026
54AQI (US)
54AQI (US)
4th March 2026
51AQI (US)
51AQI (US)
5th March 2026
58AQI (US)
58AQI (US)
6th March 2026
52AQI (US)
52AQI (US)
7th March 2026
30AQI (US)
30AQI (US)
8th March 2026
29AQI (US)
29AQI (US)
9th March 2026
34AQI (US)
34AQI (US)
10th March 2026
44AQI (US)
44AQI (US)
11th March 2026
53AQI (US)
53AQI (US)
12th March 2026
58AQI (US)
58AQI (US)
13th March 2026
76AQI (US)
76AQI (US)
14th March 2026
58AQI (US)
58AQI (US)
15th March 2026
24AQI (US)
24AQI (US)
16th March 2026
24AQI (US)
24AQI (US)
17th March 2026
45AQI (US)
45AQI (US)
18th March 2026
56AQI (US)
56AQI (US)
19th March 2026
50AQI (US)
50AQI (US)
20th March 2026
62AQI (US)
62AQI (US)
21st March 2026
66AQI (US)
66AQI (US)
22nd March 2026
67AQI (US)
67AQI (US)
23rd March 2026
46AQI (US)
46AQI (US)
24th March 2026
62AQI (US)
62AQI (US)
25th March 2026
68AQI (US)
68AQI (US)
26th March 2026
22AQI (US)
22AQI (US)
27th March 2026
20AQI (US)
20AQI (US)
28th March 2026
26AQI (US)
26AQI (US)
29th March 2026
20AQI (US)
20AQI (US)
30th March 2026
18AQI (US)
18AQI (US)
31st March 2026
23AQI (US)
23AQI (US)
1st April 2026
30AQI (US)
30AQI (US)
2nd April 2026
18AQI (US)
18AQI (US)
3rd April 2026
26AQI (US)
26AQI (US)
4th April 2026
32AQI (US)
32AQI (US)
5th April 2026
34AQI (US)
34AQI (US)
6th April 2026
30AQI (US)
30AQI (US)
7th April 2026
26AQI (US)
26AQI (US)
8th April 2026
48AQI (US)
48AQI (US)
9th April 2026
69AQI (US)
69AQI (US)
10th April 2026
57AQI (US)
57AQI (US)
11th April 2026
46AQI (US)
46AQI (US)
12th April 2026
30AQI (US)
30AQI (US)
13th April 2026
24AQI (US)
24AQI (US)
14th April 2026
26AQI (US)
26AQI (US)
15th April 2026
32AQI (US)
32AQI (US)
16th April 2026
36AQI (US)
36AQI (US)
17th April 2026
18th April 2026
37AQI (US)
37AQI (US)
19th April 2026
41AQI (US)
41AQI (US)
20th April 2026
36AQI (US)
36AQI (US)
21st April 2026
44AQI (US)
44AQI (US)
22nd April 2026
23rd April 2026
32AQI (US)
32AQI (US)
24th April 2026
26AQI (US)
26AQI (US)
25th April 2026
46AQI (US)
46AQI (US)
26th April 2026
50AQI (US)
50AQI (US)
27th April 2026
44AQI (US)
44AQI (US)
28th April 2026
37AQI (US)
37AQI (US)
29th April 2026
32AQI (US)
32AQI (US)
30th April 2026
36AQI (US)
36AQI (US)
1st May 2026
41AQI (US)
41AQI (US)
2nd May 2026
32AQI (US)
32AQI (US)
3rd May 2026
29AQI (US)
29AQI (US)
4th May 2026
46AQI (US)
46AQI (US)
5th May 2026
30AQI (US)
30AQI (US)
6th May 2026
23AQI (US)
23AQI (US)
7th May 2026
22AQI (US)
22AQI (US)
8th May 2026
26AQI (US)
26AQI (US)
9th May 2026
10th May 2026
30AQI (US)
30AQI (US)
11th May 2026
24AQI (US)
24AQI (US)
12th May 2026
26AQI (US)
26AQI (US)
13th May 2026
24AQI (US)
24AQI (US)
14th May 2026
23AQI (US)
23AQI (US)
15th May 2026
28AQI (US)
28AQI (US)
16th May 2026
36AQI (US)
36AQI (US)
17th May 2026
34AQI (US)
34AQI (US)
18th May 2026
38AQI (US)
38AQI (US)
19th May 2026
56AQI (US)
56AQI (US)
20th May 2026
52AQI (US)
52AQI (US)
21st May 2026
44AQI (US)
44AQI (US)
22nd May 2026
47AQI (US)
47AQI (US)
23rd May 2026
50AQI (US)
50AQI (US)
24th May 2026
50AQI (US)
50AQI (US)
25th May 2026
44AQI (US)
44AQI (US)
26th May 2026
47AQI (US)
47AQI (US)
27th May 2026
42AQI (US)
42AQI (US)
28th May 2026
46AQI (US)
46AQI (US)
29th May 2026
48AQI (US)
48AQI (US)
30th May 2026
54AQI (US)
54AQI (US)
31st May 2026
48AQI (US)
48AQI (US)
1st June 2026
44AQI (US)
44AQI (US)
2nd June 2026
44AQI (US)
44AQI (US)
3rd June 2026
28AQI (US)
28AQI (US)
4th June 2026
30AQI (US)
30AQI (US)
5th June 2026
24AQI (US)
24AQI (US)
6th June 2026
25AQI (US)
25AQI (US)
7th June 2026
30AQI (US)
30AQI (US)
8th June 2026
27AQI (US)
27AQI (US)
9th June 2026
32AQI (US)
32AQI (US)
10th June 2026
32AQI (US)
32AQI (US)
11th June 2026
24AQI (US)
24AQI (US)
12th June 2026
31AQI (US)
31AQI (US)
13th June 2026
35AQI (US)
35AQI (US)
14th June 2026
31AQI (US)
31AQI (US)
15th June 2026
27AQI (US)
27AQI (US)
16th June 2026
36AQI (US)
36AQI (US)
17th June 2026
35AQI (US)
35AQI (US)
18th June 2026
32AQI (US)
32AQI (US)
19th June 2026
24AQI (US)
24AQI (US)
20th June 2026
24AQI (US)
24AQI (US)
21st June 2026
25AQI (US)
25AQI (US)
22nd June 2026
38AQI (US)
38AQI (US)
23rd June 2026
52AQI (US)
52AQI (US)
24th June 2026
88AQI (US)
88AQI (US)
25th June 2026
55AQI (US)
55AQI (US)
26th June 2026
51AQI (US)
51AQI (US)
27th June 2026
56AQI (US)
56AQI (US)
28th June 2026
52AQI (US)
52AQI (US)
29th June 2026
48AQI (US)
48AQI (US)
30th June 2026
40AQI (US)
40AQI (US)
1st July 2026
48AQI (US)
48AQI (US)
2nd July 2026
48AQI (US)
48AQI (US)
3rd July 2026
38AQI (US)
38AQI (US)
4th July 2026
30AQI (US)
30AQI (US)
5th July 2026
34AQI (US)
34AQI (US)
6th July 2026
42AQI (US)
42AQI (US)
7th July 2026
56AQI (US)
56AQI (US)
8th July 2026
56AQI (US)
56AQI (US)
9th July 2026
46AQI (US)
46AQI (US)
10th July 2026
48AQI (US)
48AQI (US)
11th July 2026
54AQI (US)
54AQI (US)
12th July 2026
51AQI (US)
51AQI (US)
13th July 2026
50AQI (US)
50AQI (US)
14th July 2026
61AQI (US)
61AQI (US)
15th July 2026
44AQI (US)
44AQI (US)
16th July 2026
28AQI (US)
28AQI (US)
17th July 2026
46AQI (US)
46AQI (US)
18th July 2026
50AQI (US)
50AQI (US)
19th July 2026
42AQI (US)
42AQI (US)
20th July 2026
34AQI (US)
34AQI (US)
21st July 2026
42AQI (US)
42AQI (US)
22nd July 2026
36AQI (US)
36AQI (US)
23rd July 2026
28AQI (US)
28AQI (US)
24th July 2026
25AQI (US)
25AQI (US)
25th July 2026
35AQI (US)
35AQI (US)
26th July 2026
63AQI (US)
63AQI (US)
27th July 2026
38AQI (US)
38AQI (US)
28th July 2026
41AQI (US)
41AQI (US)
29th July 2026
54AQI (US)
54AQI (US)
30th July 2026
56AQI (US)
56AQI (US)
31st July 2026
52AQI (US)
52AQI (US)
1st August 2026
53AQI (US)
53AQI (US)
2nd August 2026
42AQI (US)
42AQI (US)
3rd August 2026
44AQI (US)
44AQI (US)
4th August 2026
41AQI (US)
41AQI (US)
5th August 2026
36AQI (US)
36AQI (US)
6th August 2026
29AQI (US)
29AQI (US)
7th August 2026
30AQI (US)
30AQI (US)
8th August 2026
28AQI (US)
28AQI (US)
9th August 2026
31AQI (US)
31AQI (US)
10th August 2026
30AQI (US)
30AQI (US)
11th August 2026
30AQI (US)
30AQI (US)
12th August 2026
38AQI (US)
38AQI (US)
13th August 2026
62AQI (US)
62AQI (US)
14th August 2026
53AQI (US)
53AQI (US)
15th August 2026
56AQI (US)
56AQI (US)
16th August 2026
49AQI (US)
49AQI (US)
17th August 2026
46AQI (US)
46AQI (US)
18th August 2026
52AQI (US)
52AQI (US)
19th August 2026
50AQI (US)
50AQI (US)
20th August 2026
42AQI (US)
42AQI (US)
21st August 2026
28AQI (US)
28AQI (US)
22nd August 2026
24AQI (US)
24AQI (US)
23rd August 2026
24AQI (US)
24AQI (US)
24th August 2026
32AQI (US)
32AQI (US)
25th August 2026
28AQI (US)
28AQI (US)
26th August 2026
26AQI (US)
26AQI (US)
27th August 2026
26AQI (US)
26AQI (US)
28th August 2026
28AQI (US)
28AQI (US)
29th August 2026
36AQI (US)
36AQI (US)
30th August 2026
34AQI (US)
34AQI (US)
31st August 2026
54AQI (US)
54AQI (US)
1st September 2026
35AQI (US)
35AQI (US)
2nd September 2026
28AQI (US)
28AQI (US)
3rd September 2026
32AQI (US)
32AQI (US)
4th September 2026
38AQI (US)
38AQI (US)
5th September 2026
41AQI (US)
41AQI (US)
6th September 2026
35AQI (US)
35AQI (US)
7th September 2026
30AQI (US)
30AQI (US)
8th September 2026
36AQI (US)
36AQI (US)
9th September 2026
34AQI (US)
34AQI (US)
10th September 2026
28AQI (US)
28AQI (US)
11th September 2026
24AQI (US)
24AQI (US)
12th September 2026
22AQI (US)
22AQI (US)
13th September 2026
23AQI (US)
23AQI (US)
14th September 2026
25AQI (US)
25AQI (US)
15th September 2026
33AQI (US)
33AQI (US)
16th September 2026
32AQI (US)
32AQI (US)
17th September 2026
26AQI (US)
26AQI (US)
18th September 2026
22AQI (US)
22AQI (US)
19th September 2026
24AQI (US)
24AQI (US)
20th September 2026
23AQI (US)
23AQI (US)
21st September 2026
28AQI (US)
28AQI (US)
22nd September 2026
30AQI (US)
30AQI (US)
23rd September 2026
24AQI (US)
24AQI (US)
24th September 2026
26AQI (US)
26AQI (US)
25th September 2026
32AQI (US)
32AQI (US)
26th September 2026
32AQI (US)
32AQI (US)
27th September 2026
32AQI (US)
32AQI (US)
28th September 2026
28AQI (US)
28AQI (US)
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
40AQI (US)
42AQI (US)
45AQI (US)
37AQI (US)
38AQI (US)
37AQI (US)
44AQI (US)
38AQI (US)
29AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202639AQI (US)
21
10
20
8
17
14
26
2
27
3
24
6
22
9
25
6
28
210
58
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
202545AQI (US)
14
17
5
23
28
3
28
2
30
1
8
22
27
4
12
19
30
18
13
20
10
10
21
230
135
Highest AQI (US) recorded in
February65AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
202447AQI (US)
6
22
3
8
20
1
17
14
25
5
28
3
23
7
28
3
23
8
29
1
28
3
14
16
11
20
240
122
4
Highest AQI (US) recorded in
January73AQI (US)
Lowest AQI (US) recorded in
October35AQI (US)
202355AQI (US)
9
19
3
5
16
7
12
18
1
23
7
19
12
15
15
24
7
16
15
20
10
15
16
14
15
7
16
8
179
166
19
Highest AQI (US) recorded in
February82AQI (US)
Lowest AQI (US) recorded in
April44AQI (US)
202240AQI (US)
30
22
31
30
31
30
24
1
29
11
20
15
15
3
25
3
257
60
3
Highest AQI (US) recorded in
December72AQI (US)
Lowest AQI (US) recorded in
January25AQI (US)
202126AQI (US)
29
26
2
31
30
31
30
31
31
30
31
30
31
361
2
Highest AQI (US) recorded in
July30AQI (US)
Lowest AQI (US) recorded in
January18AQI (US)
202024AQI (US)
13
21
18
30
31
31
30
30
1
30
31
265
1
Highest AQI (US) recorded in
April30AQI (US)
Lowest AQI (US) recorded in
December18AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
55AQI (US)Least Polluted Year Recorded
2020(Avg.)
24AQI (US)Mataro's annual 2026 AQI (US) (39) shows an average percentage change of 8.4% (worsened AQI (US)) compared to previous years: 2020 (24), 2021 (26), 2022 (40), 2023 (55), 2024 (47), 2025 (45).
