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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Valldoreix, 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

Valldoreix, Catalonia, Spain

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
19th Sep 2025
50AQI
Lowest AQI recorded on
27th Sep 2024
9AQI

Same Day Analysis (28th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 34 of Good air quality on the same day.

Day & Night AQI Trend: 28th Sep - 29th Sep 2026

Valldoreix, Catalonia, Spain

AQI
Day
Night
.

7 AM28th Sep 2026

8 PM

6 AM29th Sep 2026

Day time
Avg. Highest Time
12PM28th Sep

39AQI

Avg. Lowest Time
4PM28th Sep

29AQI

Night time
Avg. Highest Time
8PM28th Sep

36AQI

Avg. Lowest Time
4AM29th Sep

25AQI

In the last 24 hours,

Valldoreix's AQI reached its highest point of 39 at 12 PM during the Day, while the lowest point, 25, was recorded at 4 AM during the Night between 28th Sep and 29th Sep 2026.

Day & Night AQI Trend : Aug - Sep 2026

Valldoreix, 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 2026867 AMAQI
31st Aug 2026668 AMAQI
31st Aug 2026659 AMAQI
31st Aug 20267210 AMAQI
31st Aug 20268511 AMAQI
31st Aug 20269012 PMAQI
31st Aug 2026901 PMAQI
31st Aug 2026812 PMAQI
31st Aug 2026783 PMAQI
31st Aug 2026744 PMAQI
31st Aug 2026785 PMAQI
31st Aug 2026706 PMAQI
31st Aug 2026257 PMAQI
31st Aug 2026628 PMAQI
31st Aug 2026569 PMAQI
31st Aug 20265410 PMAQI
31st Aug 20265811 PMAQI
1st Sep 20265712 AMAQI
1st Sep 2026401 AMAQI
1st Sep 2026212 AMAQI
1st Sep 2026213 AMAQI
1st Sep 2026214 AMAQI
1st Sep 2026215 AMAQI
1st Sep 2026216 AMAQI

26°C25/27°C

1st Sep 2026217 AMAQI
1st Sep 2026568 AMAQI
1st Sep 2026589 AMAQI
1st Sep 20265610 AMAQI
1st Sep 20268211 AMAQI
1st Sep 20268412 PMAQI
1st Sep 2026781 PMAQI
1st Sep 2026312 PMAQI
1st Sep 2026273 PMAQI
1st Sep 2026234 PMAQI
1st Sep 2026265 PMAQI
1st Sep 2026256 PMAQI
1st Sep 2026257 PMAQI
1st Sep 2026238 PMAQI
1st Sep 2026259 PMAQI
1st Sep 20262510 PMAQI
1st Sep 20262511 PMAQI
2nd Sep 20262512 AMAQI
2nd Sep 2026251 AMAQI
2nd Sep 2026232 AMAQI
2nd Sep 2026253 AMAQI
2nd Sep 2026254 AMAQI
2nd Sep 2026295 AMAQI
2nd Sep 2026226 AMAQI

25°C24/26°C

2nd Sep 2026257 AMAQI
2nd Sep 2026258 AMAQI
2nd Sep 2026259 AMAQI
2nd Sep 20262810 AMAQI
2nd Sep 20262911 AMAQI
2nd Sep 20263212 PMAQI
2nd Sep 2026301 PMAQI
2nd Sep 2026252 PMAQI
2nd Sep 2026293 PMAQI
2nd Sep 2026274 PMAQI
2nd Sep 2026275 PMAQI
2nd Sep 2026276 PMAQI
2nd Sep 2026297 PMAQI
2nd Sep 2026278 PMAQI
2nd Sep 2026299 PMAQI
2nd Sep 20262910 PMAQI
2nd Sep 20262511 PMAQI
3rd Sep 20262412 AMAQI
3rd Sep 2026291 AMAQI
3rd Sep 2026272 AMAQI
3rd Sep 2026293 AMAQI
3rd Sep 2026314 AMAQI
3rd Sep 2026335 AMAQI
3rd Sep 2026316 AMAQI

26°C25/27°C

3rd Sep 2026337 AMAQI
3rd Sep 2026338 AMAQI
3rd Sep 2026299 AMAQI
3rd Sep 20264110 AMAQI
3rd Sep 20264211 AMAQI
3rd Sep 20263412 PMAQI
3rd Sep 2026341 PMAQI
3rd Sep 2026332 PMAQI
3rd Sep 2026293 PMAQI
3rd Sep 2026324 PMAQI
3rd Sep 2026365 PMAQI
3rd Sep 2026316 PMAQI
3rd Sep 2026307 PMAQI
3rd Sep 2026368 PMAQI
3rd Sep 2026369 PMAQI
3rd Sep 20263410 PMAQI
3rd Sep 20263811 PMAQI
4th Sep 20263012 AMAQI
4th Sep 2026331 AMAQI
4th Sep 2026362 AMAQI
4th Sep 2026293 AMAQI
4th Sep 2026334 AMAQI
4th Sep 2026335 AMAQI
4th Sep 2026316 AMAQI

26°C26/27°C

4th Sep 2026367 AMAQI
4th Sep 2026338 AMAQI
4th Sep 2026339 AMAQI
4th Sep 20263310 AMAQI
4th Sep 20263211 AMAQI
4th Sep 20263612 PMAQI
4th Sep 2026331 PMAQI
4th Sep 2026332 PMAQI
4th Sep 2026343 PMAQI
4th Sep 2026364 PMAQI
4th Sep 2026365 PMAQI
4th Sep 2026346 PMAQI
4th Sep 2026367 PMAQI
4th Sep 2026368 PMAQI
4th Sep 2026349 PMAQI
4th Sep 20263810 PMAQI
4th Sep 20263011 PMAQI
5th Sep 20262812 AMAQI
5th Sep 2026331 AMAQI
5th Sep 2026332 AMAQI
5th Sep 2026383 AMAQI
5th Sep 2026384 AMAQI
5th Sep 2026335 AMAQI
5th Sep 2026316 AMAQI

26°C26/28°C

5th Sep 2026267 AMAQI
5th Sep 2026348 AMAQI
5th Sep 2026309 AMAQI
5th Sep 20265110 AMAQI
5th Sep 20264811 AMAQI
5th Sep 20264012 PMAQI
5th Sep 2026601 PMAQI
5th Sep 2026612 PMAQI
5th Sep 2026453 PMAQI
5th Sep 2026384 PMAQI
5th Sep 2026305 PMAQI
5th Sep 2026326 PMAQI
5th Sep 2026327 PMAQI
5th Sep 2026298 PMAQI
5th Sep 2026309 PMAQI
5th Sep 20263410 PMAQI
5th Sep 20264311 PMAQI
6th Sep 20263012 AMAQI
6th Sep 2026371 AMAQI
6th Sep 2026342 AMAQI
6th Sep 2026343 AMAQI
6th Sep 2026334 AMAQI
6th Sep 2026365 AMAQI
6th Sep 2026346 AMAQI

27°C27/28°C

6th Sep 2026367 AMAQI
6th Sep 2026348 AMAQI
6th Sep 2026369 AMAQI
6th Sep 20265010 AMAQI
6th Sep 20265511 AMAQI
6th Sep 20265412 PMAQI
6th Sep 2026501 PMAQI
6th Sep 2026552 PMAQI
6th Sep 2026543 PMAQI
6th Sep 2026334 PMAQI
6th Sep 2026345 PMAQI
6th Sep 2026466 PMAQI
6th Sep 2026347 PMAQI
6th Sep 2026328 PMAQI
6th Sep 2026289 PMAQI
6th Sep 20263410 PMAQI
6th Sep 20263611 PMAQI
7th Sep 20263212 AMAQI
7th Sep 2026261 AMAQI
7th Sep 2026292 AMAQI
7th Sep 2026333 AMAQI
7th Sep 2026334 AMAQI
7th Sep 2026265 AMAQI
7th Sep 2026386 AMAQI

28°C27/28°C

7th Sep 2026387 AMAQI
7th Sep 2026388 AMAQI
7th Sep 2026389 AMAQI
7th Sep 20262810 AMAQI
7th Sep 20263011 AMAQI
7th Sep 20263412 PMAQI
7th Sep 2026421 PMAQI
7th Sep 2026402 PMAQI
7th Sep 2026423 PMAQI
7th Sep 2026404 PMAQI
7th Sep 2026445 PMAQI
7th Sep 2026426 PMAQI
7th Sep 2026297 PMAQI
7th Sep 2026388 PMAQI
7th Sep 2026369 PMAQI
7th Sep 20262710 PMAQI
7th Sep 20264011 PMAQI
8th Sep 20264012 AMAQI
8th Sep 2026421 AMAQI
8th Sep 2026382 AMAQI
8th Sep 2026333 AMAQI
8th Sep 2026384 AMAQI
8th Sep 2026305 AMAQI
8th Sep 2026366 AMAQI

27°C26/29°C

8th Sep 2026297 AMAQI
8th Sep 2026388 AMAQI
8th Sep 2026289 AMAQI
8th Sep 20263310 AMAQI
8th Sep 20264011 AMAQI
8th Sep 20264412 PMAQI
8th Sep 2026451 PMAQI
8th Sep 2026382 PMAQI
8th Sep 2026343 PMAQI
8th Sep 2026314 PMAQI
8th Sep 2026335 PMAQI
8th Sep 2026326 PMAQI
8th Sep 2026277 PMAQI
8th Sep 2026318 PMAQI
8th Sep 2026339 PMAQI
8th Sep 20263510 PMAQI
8th Sep 20263411 PMAQI
9th Sep 20263312 AMAQI
9th Sep 2026361 AMAQI
9th Sep 2026322 AMAQI
9th Sep 2026323 AMAQI
9th Sep 2026334 AMAQI
9th Sep 2026365 AMAQI
9th Sep 2026336 AMAQI

27°C27/28°C

9th Sep 2026367 AMAQI
9th Sep 2026368 AMAQI
9th Sep 2026389 AMAQI
9th Sep 20263610 AMAQI
9th Sep 20263811 AMAQI
9th Sep 20264012 PMAQI
9th Sep 2026381 PMAQI
9th Sep 2026362 PMAQI
9th Sep 2026363 PMAQI
9th Sep 2026364 PMAQI
9th Sep 2026385 PMAQI
9th Sep 2026336 PMAQI
9th Sep 2026277 PMAQI
9th Sep 2026338 PMAQI
9th Sep 2026319 PMAQI
9th Sep 20263310 PMAQI
9th Sep 20263611 PMAQI
10th Sep 20263812 AMAQI
10th Sep 2026361 AMAQI
10th Sep 2026362 AMAQI
10th Sep 2026333 AMAQI
10th Sep 2026334 AMAQI
10th Sep 2026385 AMAQI
10th Sep 2026336 AMAQI

24°C22/27°C

10th Sep 2026337 AMAQI
10th Sep 2026368 AMAQI
10th Sep 2026319 AMAQI
10th Sep 20263310 AMAQI
10th Sep 20263111 AMAQI
10th Sep 20263312 PMAQI
10th Sep 2026291 PMAQI
10th Sep 2026292 PMAQI
10th Sep 2026293 PMAQI
10th Sep 2026304 PMAQI
10th Sep 2026305 PMAQI
10th Sep 2026286 PMAQI
10th Sep 2026257 PMAQI
10th Sep 2026238 PMAQI
10th Sep 2026319 PMAQI
10th Sep 20262510 PMAQI
10th Sep 20263111 PMAQI
11th Sep 20264012 AMAQI
11th Sep 2026241 AMAQI
11th Sep 2026252 AMAQI
11th Sep 2026233 AMAQI
11th Sep 2026224 AMAQI
11th Sep 2026215 AMAQI
11th Sep 2026256 AMAQI

23°C22/24°C

11th Sep 2026237 AMAQI
11th Sep 2026218 AMAQI
11th Sep 2026219 AMAQI
11th Sep 20262110 AMAQI
11th Sep 20262111 AMAQI
11th Sep 20262512 PMAQI
11th Sep 2026251 PMAQI
11th Sep 2026232 PMAQI
11th Sep 2026233 PMAQI
11th Sep 2026234 PMAQI
11th Sep 2026215 PMAQI
11th Sep 2026236 PMAQI
11th Sep 2026237 PMAQI
11th Sep 2026258 PMAQI
11th Sep 2026259 PMAQI
11th Sep 20262310 PMAQI
11th Sep 20262311 PMAQI
12th Sep 20262512 AMAQI
12th Sep 2026231 AMAQI
12th Sep 2026252 AMAQI
12th Sep 2026233 AMAQI
12th Sep 2026254 AMAQI
12th Sep 2026215 AMAQI
12th Sep 2026236 AMAQI

24°C23/25°C

12th Sep 2026257 AMAQI
12th Sep 2026258 AMAQI
12th Sep 2026239 AMAQI
12th Sep 20262310 AMAQI
12th Sep 20262311 AMAQI
12th Sep 20262512 PMAQI
12th Sep 2026251 PMAQI
12th Sep 2026232 PMAQI
12th Sep 2026233 PMAQI
12th Sep 2026254 PMAQI
12th Sep 2026255 PMAQI
12th Sep 2026256 PMAQI
12th Sep 2026237 PMAQI
12th Sep 2026258 PMAQI
12th Sep 2026259 PMAQI
12th Sep 20262311 PMAQI
13th Sep 20262512 AMAQI
13th Sep 2026251 AMAQI
13th Sep 2026212 AMAQI
13th Sep 2026213 AMAQI
13th Sep 2026214 AMAQI
13th Sep 2026235 AMAQI
13th Sep 2026216 AMAQI

25°C24/25°C

13th Sep 2026257 AMAQI
13th Sep 2026258 AMAQI
13th Sep 2026259 AMAQI
13th Sep 20262510 AMAQI
13th Sep 20262111 AMAQI
13th Sep 20262312 PMAQI
13th Sep 2026231 PMAQI
13th Sep 2026252 PMAQI
13th Sep 2026233 PMAQI
13th Sep 2026254 PMAQI
13th Sep 2026235 PMAQI
13th Sep 2026216 PMAQI
13th Sep 2026217 PMAQI
13th Sep 2026218 PMAQI
13th Sep 2026219 PMAQI
13th Sep 20262110 PMAQI
13th Sep 20262111 PMAQI
14th Sep 20262112 AMAQI
14th Sep 2026241 AMAQI
14th Sep 2026222 AMAQI
14th Sep 2026213 AMAQI
14th Sep 2026214 AMAQI
14th Sep 2026215 AMAQI
14th Sep 2026216 AMAQI

25°C24/26°C

14th Sep 2026327 AMAQI
14th Sep 2026218 AMAQI
14th Sep 2026259 AMAQI
14th Sep 20262710 AMAQI
14th Sep 20262511 AMAQI
14th Sep 20263112 PMAQI
14th Sep 2026261 PMAQI
14th Sep 2026282 PMAQI
14th Sep 2026283 PMAQI
14th Sep 2026304 PMAQI
14th Sep 2026285 PMAQI
14th Sep 2026256 PMAQI
14th Sep 2026237 PMAQI
14th Sep 2026218 PMAQI
14th Sep 2026219 PMAQI
14th Sep 20262110 PMAQI
14th Sep 20262111 PMAQI
15th Sep 20262512 AMAQI
15th Sep 2026231 AMAQI
15th Sep 2026212 AMAQI
15th Sep 2026263 AMAQI
15th Sep 2026254 AMAQI
15th Sep 2026215 AMAQI
15th Sep 2026216 AMAQI

26°C24/27°C

15th Sep 2026217 AMAQI
15th Sep 2026218 AMAQI
15th Sep 2026229 AMAQI
15th Sep 20262710 AMAQI
15th Sep 20264211 AMAQI
15th Sep 20263812 PMAQI
15th Sep 2026361 PMAQI
15th Sep 2026322 PMAQI
15th Sep 2026313 PMAQI
15th Sep 2026304 PMAQI
15th Sep 2026305 PMAQI
15th Sep 2026286 PMAQI
15th Sep 2026277 PMAQI
15th Sep 2026278 PMAQI
15th Sep 2026299 PMAQI
15th Sep 20262710 PMAQI
15th Sep 20262711 PMAQI
16th Sep 20262912 AMAQI
16th Sep 2026271 AMAQI
16th Sep 2026292 AMAQI
16th Sep 2026253 AMAQI
16th Sep 2026254 AMAQI
16th Sep 2026255 AMAQI
16th Sep 2026296 AMAQI

26°C25/27°C

16th Sep 2026297 AMAQI
16th Sep 2026308 AMAQI
16th Sep 2026279 AMAQI
16th Sep 20262710 AMAQI
16th Sep 20263611 AMAQI
16th Sep 20263512 PMAQI
16th Sep 2026361 PMAQI
16th Sep 2026362 PMAQI
16th Sep 2026313 PMAQI
16th Sep 2026274 PMAQI
16th Sep 2026295 PMAQI
16th Sep 2026296 PMAQI
16th Sep 2026277 PMAQI
16th Sep 2026298 PMAQI
16th Sep 2026279 PMAQI
16th Sep 20262710 PMAQI
16th Sep 20262911 PMAQI
17th Sep 20262912 AMAQI
17th Sep 2026271 AMAQI
17th Sep 2026292 AMAQI
17th Sep 2026293 AMAQI
17th Sep 2026294 AMAQI
17th Sep 2026275 AMAQI
17th Sep 2026276 AMAQI

25°C22/26°C

17th Sep 2026297 AMAQI
17th Sep 2026278 AMAQI
17th Sep 2026259 AMAQI
17th Sep 20262910 AMAQI
17th Sep 20262511 AMAQI
17th Sep 20262512 PMAQI
17th Sep 2026291 PMAQI
17th Sep 2026282 PMAQI
17th Sep 2026253 PMAQI
17th Sep 2026294 PMAQI
17th Sep 2026275 PMAQI
17th Sep 2026236 PMAQI
17th Sep 2026217 PMAQI
17th Sep 2026258 PMAQI
17th Sep 2026259 PMAQI
17th Sep 20262510 PMAQI
17th Sep 20262711 PMAQI
18th Sep 20262612 AMAQI
18th Sep 2026271 AMAQI
18th Sep 2026252 AMAQI
18th Sep 2026233 AMAQI
18th Sep 2026234 AMAQI
18th Sep 2026235 AMAQI
18th Sep 2026236 AMAQI

22°C21/24°C

18th Sep 2026217 AMAQI
18th Sep 2026218 AMAQI
18th Sep 2026239 AMAQI
18th Sep 20262110 AMAQI
18th Sep 20262111 AMAQI
18th Sep 20262112 PMAQI
18th Sep 2026211 PMAQI
18th Sep 2026212 PMAQI
18th Sep 2026213 PMAQI
18th Sep 2026234 PMAQI
18th Sep 2026255 PMAQI
18th Sep 2026236 PMAQI
18th Sep 2026237 PMAQI
18th Sep 2026258 PMAQI
18th Sep 2026259 PMAQI
18th Sep 20262310 PMAQI
18th Sep 20262311 PMAQI
19th Sep 20262512 AMAQI
19th Sep 2026251 AMAQI
19th Sep 2026252 AMAQI
19th Sep 2026233 AMAQI
19th Sep 2026254 AMAQI
19th Sep 2026255 AMAQI
19th Sep 2026256 AMAQI

23°C22/23°C

19th Sep 2026257 AMAQI
19th Sep 2026218 AMAQI
19th Sep 2026219 AMAQI
19th Sep 20262110 AMAQI
19th Sep 20262911 AMAQI
19th Sep 20262112 PMAQI
19th Sep 2026231 PMAQI
19th Sep 2026212 PMAQI
19th Sep 2026233 PMAQI
19th Sep 2026214 PMAQI
19th Sep 2026215 PMAQI
19th Sep 2026216 PMAQI
19th Sep 2026237 PMAQI
19th Sep 2026218 PMAQI
19th Sep 2026219 PMAQI
19th Sep 20262110 PMAQI
19th Sep 20262111 PMAQI
20th Sep 20262112 AMAQI
20th Sep 2026211 AMAQI
20th Sep 2026232 AMAQI
20th Sep 2026213 AMAQI
20th Sep 2026214 AMAQI
20th Sep 2026255 AMAQI
20th Sep 2026236 AMAQI

23°C22/24°C

20th Sep 2026237 AMAQI
20th Sep 2026238 AMAQI
20th Sep 2026239 AMAQI
20th Sep 20262510 AMAQI
20th Sep 20262311 AMAQI
20th Sep 20262112 PMAQI
20th Sep 2026211 PMAQI
20th Sep 2026212 PMAQI
20th Sep 2026223 PMAQI
20th Sep 2026244 PMAQI
20th Sep 2026245 PMAQI
20th Sep 2026246 PMAQI
20th Sep 2026267 PMAQI
20th Sep 2026248 PMAQI
20th Sep 2026289 PMAQI
20th Sep 20264410 PMAQI
20th Sep 20263611 PMAQI
21st Sep 20263312 AMAQI
21st Sep 2026311 AMAQI
21st Sep 2026342 AMAQI
21st Sep 2026293 AMAQI
21st Sep 2026284 AMAQI
21st Sep 2026265 AMAQI
21st Sep 2026276 AMAQI

24°C23/24°C

21st Sep 2026307 AMAQI
21st Sep 2026498 AMAQI
21st Sep 2026469 AMAQI
21st Sep 20264810 AMAQI
21st Sep 20262511 AMAQI
21st Sep 20262412 PMAQI
21st Sep 2026341 PMAQI
21st Sep 2026282 PMAQI
21st Sep 2026243 PMAQI
21st Sep 2026264 PMAQI
21st Sep 2026275 PMAQI
21st Sep 2026246 PMAQI
21st Sep 2026297 PMAQI
21st Sep 2026408 PMAQI
21st Sep 2026319 PMAQI
21st Sep 20264210 PMAQI
21st Sep 20263811 PMAQI
22nd Sep 20262612 AMAQI
22nd Sep 2026221 AMAQI
22nd Sep 2026222 AMAQI
22nd Sep 2026233 AMAQI
22nd Sep 2026294 AMAQI
22nd Sep 2026295 AMAQI
22nd Sep 2026276 AMAQI

25°C24/27°C

22nd Sep 2026257 AMAQI
22nd Sep 2026238 AMAQI
22nd Sep 2026259 AMAQI
22nd Sep 20262710 AMAQI
22nd Sep 20263411 AMAQI
22nd Sep 20263612 PMAQI
22nd Sep 2026381 PMAQI
22nd Sep 2026382 PMAQI
22nd Sep 2026343 PMAQI
22nd Sep 2026424 PMAQI
22nd Sep 2026235 PMAQI
22nd Sep 2026276 PMAQI
22nd Sep 2026297 PMAQI
22nd Sep 2026278 PMAQI
22nd Sep 2026299 PMAQI
22nd Sep 20262910 PMAQI
22nd Sep 20262911 PMAQI
23rd Sep 20262512 AMAQI
23rd Sep 2026271 AMAQI
23rd Sep 2026292 AMAQI
23rd Sep 2026253 AMAQI
23rd Sep 2026274 AMAQI
23rd Sep 2026275 AMAQI
23rd Sep 2026236 AMAQI

25°C24/26°C

23rd Sep 2026297 AMAQI
23rd Sep 2026258 AMAQI
23rd Sep 2026279 AMAQI
23rd Sep 20262510 AMAQI
23rd Sep 20263211 AMAQI
23rd Sep 20263212 PMAQI
23rd Sep 2026281 PMAQI
23rd Sep 2026282 PMAQI
23rd Sep 2026293 PMAQI
23rd Sep 2026254 PMAQI
23rd Sep 2026275 PMAQI
23rd Sep 2026256 PMAQI
23rd Sep 2026257 PMAQI
23rd Sep 2026258 PMAQI
23rd Sep 2026259 PMAQI
23rd Sep 20262510 PMAQI
23rd Sep 20262511 PMAQI
24th Sep 20262512 AMAQI
24th Sep 2026251 AMAQI
24th Sep 2026232 AMAQI
24th Sep 2026233 AMAQI
24th Sep 2026254 AMAQI
24th Sep 2026255 AMAQI
24th Sep 2026296 AMAQI

24°C24/25°C

24th Sep 2026277 AMAQI
24th Sep 2026248 AMAQI
24th Sep 2026259 AMAQI
24th Sep 20262410 AMAQI
24th Sep 20264611 AMAQI
24th Sep 20262812 PMAQI
24th Sep 2026331 PMAQI
24th Sep 2026322 PMAQI
24th Sep 2026303 PMAQI
24th Sep 2026284 PMAQI
24th Sep 2026245 PMAQI
24th Sep 2026216 PMAQI
24th Sep 2026217 PMAQI
24th Sep 2026218 PMAQI
24th Sep 2026239 PMAQI
24th Sep 20262110 PMAQI
24th Sep 20262111 PMAQI
25th Sep 20262312 AMAQI
25th Sep 2026231 AMAQI
25th Sep 2026232 AMAQI
25th Sep 2026213 AMAQI
25th Sep 2026234 AMAQI
25th Sep 2026265 AMAQI
25th Sep 2026296 AMAQI

24°C23/25°C

25th Sep 2026237 AMAQI
25th Sep 2026218 AMAQI
25th Sep 2026279 AMAQI
25th Sep 20262410 AMAQI
25th Sep 20262811 AMAQI
25th Sep 20263412 PMAQI
25th Sep 2026321 PMAQI
25th Sep 2026382 PMAQI
25th Sep 2026343 PMAQI
25th Sep 2026304 PMAQI
25th Sep 2026265 PMAQI
25th Sep 2026236 PMAQI
25th Sep 2026307 PMAQI
25th Sep 2026328 PMAQI
25th Sep 2026269 PMAQI
25th Sep 20262710 PMAQI
25th Sep 20262511 PMAQI
26th Sep 20262512 AMAQI
26th Sep 2026251 AMAQI
26th Sep 2026252 AMAQI
26th Sep 2026253 AMAQI
26th Sep 2026314 AMAQI
26th Sep 2026275 AMAQI
26th Sep 2026276 AMAQI

25°C23/26°C

26th Sep 2026297 AMAQI
26th Sep 2026248 AMAQI
26th Sep 2026249 AMAQI
26th Sep 20262710 AMAQI
26th Sep 20262711 AMAQI
26th Sep 20262912 PMAQI
26th Sep 2026291 PMAQI
26th Sep 2026292 PMAQI
26th Sep 2026313 PMAQI
26th Sep 2026314 PMAQI
26th Sep 2026315 PMAQI
26th Sep 2026336 PMAQI
26th Sep 2026317 PMAQI
26th Sep 2026318 PMAQI
26th Sep 2026339 PMAQI
26th Sep 20263310 PMAQI
26th Sep 20262711 PMAQI
27th Sep 20263312 AMAQI
27th Sep 2026251 AMAQI
27th Sep 2026332 AMAQI
27th Sep 2026333 AMAQI
27th Sep 2026334 AMAQI
27th Sep 2026315 AMAQI
27th Sep 2026276 AMAQI

24°C23/24°C

27th Sep 2026297 AMAQI
27th Sep 2026368 AMAQI
27th Sep 2026389 AMAQI
27th Sep 20263810 AMAQI
27th Sep 20263611 AMAQI
27th Sep 20263612 PMAQI
27th Sep 2026381 PMAQI
27th Sep 2026362 PMAQI
27th Sep 2026623 PMAQI
27th Sep 2026384 PMAQI
27th Sep 2026385 PMAQI
27th Sep 2026386 PMAQI
27th Sep 2026387 PMAQI
27th Sep 2026388 PMAQI
27th Sep 2026339 PMAQI
27th Sep 20263610 PMAQI
27th Sep 20263611 PMAQI
28th Sep 20263812 AMAQI
28th Sep 2026361 AMAQI
28th Sep 2026362 AMAQI
28th Sep 2026383 AMAQI
28th Sep 2026384 AMAQI
28th Sep 2026385 AMAQI
28th Sep 2026386 AMAQI

23°C23/24°C

28th Sep 2026337 AMAQI
28th Sep 2026388 AMAQI
28th Sep 2026389 AMAQI
28th Sep 20263110 AMAQI
28th Sep 20262911 AMAQI
28th Sep 20263912 PMAQI
28th Sep 2026341 PMAQI
28th Sep 2026332 PMAQI
28th Sep 2026303 PMAQI
28th Sep 2026294 PMAQI
28th Sep 2026305 PMAQI
28th Sep 2026366 PMAQI
28th Sep 2026337 PMAQI
28th Sep 2026368 PMAQI
28th Sep 2026339 PMAQI
28th Sep 20263610 PMAQI
28th Sep 20262511 PMAQI
29th Sep 20262512 AMAQI
29th Sep 2026311 AMAQI
29th Sep 2026332 AMAQI
29th Sep 2026273 AMAQI
29th Sep 2026254 AMAQI
29th Sep 2026275 AMAQI
29th Sep 2026276 AMAQI

24°C23/24°C

29th Sep 2026257 AMAQI
7 AM
29th Sep 2026218 AMAQI
29th Sep 2026259 AMAQI
29th Sep 20262310 AMAQI
29th Sep 20262511 AMAQI
29th Sep 20262312 PMAQI
29th Sep 2026251 PMAQI
1 PM
29th Sep 2026252 PMAQI
29th Sep 2026273 PMAQI
29th Sep 2026314 PMAQI
29th Sep 2026255 PMAQI
29th Sep 2026216 PMAQI
29th Sep 2026257 PMAQI
29th Sep 2026258 PMAQI
8 PM
29th Sep 2026259 PMAQI
29th Sep 20262510 PMAQI
29th Sep 20262511 PMAQI
1 AM
6 AM

23°C23/24°C

Day time
Avg. Highest Time
11 AM - 1 PM

36AQI

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. 36), while the lowest AQI was between 7 PM to 7 PM (Avg. 27).
Night time
Avg. Highest Time
2 AM

32AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
1 AM

29AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 2 AM (Avg. 32), while the lowest AQI was between 1 AM to 1 AM (Avg. 29).

2026 Days Vs Air Quality

Valldoreix, Catalonia, Spain

2026

75%

202

25%

66

Total number of days with different AQI categories in last 272 days in 2026 (93 days remaining)

Good
202 Days
Moderate
66 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 75%

Health Risk Level:

Low

In 2026, 75% 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

Valldoreix, 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
63AQI (US)
2nd January 2026
51AQI (US)
3rd January 2026
58AQI (US)
4th January 2026
59AQI (US)
5th January 2026
38AQI (US)
6th January 2026
40AQI (US)
7th January 2026
24AQI (US)
8th January 2026
30AQI (US)
9th January 2026
24AQI (US)
10th January 2026
29AQI (US)
11th January 2026
30AQI (US)
12th January 2026
52AQI (US)
13th January 2026
69AQI (US)
14th January 2026
86AQI (US)
15th January 2026
87AQI (US)
16th January 2026
75AQI (US)
17th January 2026
52AQI (US)
18th January 2026
33AQI (US)
19th January 2026
30AQI (US)
20th January 2026
26AQI (US)
21st January 2026
43AQI (US)
22nd January 2026
37AQI (US)
23rd January 2026
47AQI (US)
24th January 2026
37AQI (US)
25th January 2026
36AQI (US)
26th January 2026
36AQI (US)
27th January 2026
41AQI (US)
28th January 2026
39AQI (US)
29th January 2026
37AQI (US)
30th January 2026
44AQI (US)
31st January 2026
34AQI (US)
1st February 2026
31AQI (US)
2nd February 2026
62AQI (US)
3rd February 2026
44AQI (US)
4th February 2026
44AQI (US)
5th February 2026
39AQI (US)
6th February 2026
36AQI (US)
7th February 2026
36AQI (US)
8th February 2026
38AQI (US)
9th February 2026
39AQI (US)
10th February 2026
39AQI (US)
11th February 2026
38AQI (US)
12th February 2026
37AQI (US)
13th February 2026
46AQI (US)
14th February 2026
41AQI (US)
15th February 2026
30AQI (US)
16th February 2026
33AQI (US)
17th February 2026
30AQI (US)
18th February 2026
41AQI (US)
19th February 2026
37AQI (US)
20th February 2026
34AQI (US)
21st February 2026
37AQI (US)
22nd February 2026
60AQI (US)
23rd February 2026
78AQI (US)
24th February 2026
88AQI (US)
25th February 2026
92AQI (US)
26th February 2026
77AQI (US)
27th February 2026
86AQI (US)
28th February 2026
60AQI (US)
1st March 2026
37AQI (US)
2nd March 2026
49AQI (US)
3rd March 2026
55AQI (US)
4th March 2026
52AQI (US)
5th March 2026
59AQI (US)
6th March 2026
53AQI (US)
7th March 2026
35AQI (US)
8th March 2026
36AQI (US)
9th March 2026
40AQI (US)
10th March 2026
45AQI (US)
11th March 2026
53AQI (US)
12th March 2026
57AQI (US)
13th March 2026
80AQI (US)
14th March 2026
58AQI (US)
15th March 2026
25AQI (US)
16th March 2026
25AQI (US)
17th March 2026
47AQI (US)
18th March 2026
63AQI (US)
19th March 2026
54AQI (US)
20th March 2026
65AQI (US)
21st March 2026
68AQI (US)
22nd March 2026
66AQI (US)
23rd March 2026
49AQI (US)
24th March 2026
62AQI (US)
25th March 2026
65AQI (US)
26th March 2026
28AQI (US)
27th March 2026
26AQI (US)
28th March 2026
30AQI (US)
29th March 2026
28AQI (US)
30th March 2026
24AQI (US)
31st March 2026
27AQI (US)
1st April 2026
34AQI (US)
2nd April 2026
30AQI (US)
3rd April 2026
28AQI (US)
4th April 2026
34AQI (US)
5th April 2026
36AQI (US)
6th April 2026
32AQI (US)
7th April 2026
27AQI (US)
8th April 2026
50AQI (US)
9th April 2026
72AQI (US)
10th April 2026
61AQI (US)
11th April 2026
50AQI (US)
12th April 2026
34AQI (US)
13th April 2026
28AQI (US)
14th April 2026
27AQI (US)
15th April 2026
34AQI (US)
16th April 2026
38AQI (US)
17th April 2026
18th April 2026
41AQI (US)
19th April 2026
43AQI (US)
20th April 2026
38AQI (US)
21st April 2026
45AQI (US)
22nd April 2026
23rd April 2026
34AQI (US)
24th April 2026
30AQI (US)
25th April 2026
49AQI (US)
26th April 2026
53AQI (US)
27th April 2026
45AQI (US)
28th April 2026
39AQI (US)
29th April 2026
37AQI (US)
30th April 2026
40AQI (US)
1st May 2026
45AQI (US)
2nd May 2026
35AQI (US)
3rd May 2026
32AQI (US)
4th May 2026
49AQI (US)
5th May 2026
29AQI (US)
6th May 2026
27AQI (US)
7th May 2026
26AQI (US)
8th May 2026
30AQI (US)
9th May 2026
10th May 2026
33AQI (US)
11th May 2026
22AQI (US)
12th May 2026
28AQI (US)
13th May 2026
26AQI (US)
14th May 2026
25AQI (US)
15th May 2026
29AQI (US)
16th May 2026
36AQI (US)
17th May 2026
33AQI (US)
18th May 2026
38AQI (US)
19th May 2026
55AQI (US)
20th May 2026
52AQI (US)
21st May 2026
45AQI (US)
22nd May 2026
49AQI (US)
23rd May 2026
51AQI (US)
24th May 2026
50AQI (US)
25th May 2026
44AQI (US)
26th May 2026
49AQI (US)
27th May 2026
46AQI (US)
28th May 2026
50AQI (US)
29th May 2026
52AQI (US)
30th May 2026
60AQI (US)
31st May 2026
53AQI (US)
1st June 2026
49AQI (US)
2nd June 2026
48AQI (US)
3rd June 2026
28AQI (US)
4th June 2026
33AQI (US)
5th June 2026
26AQI (US)
6th June 2026
26AQI (US)
7th June 2026
34AQI (US)
8th June 2026
30AQI (US)
9th June 2026
36AQI (US)
10th June 2026
34AQI (US)
11th June 2026
25AQI (US)
12th June 2026
35AQI (US)
13th June 2026
38AQI (US)
14th June 2026
33AQI (US)
15th June 2026
28AQI (US)
16th June 2026
30AQI (US)
17th June 2026
42AQI (US)
18th June 2026
37AQI (US)
19th June 2026
27AQI (US)
20th June 2026
28AQI (US)
21st June 2026
33AQI (US)
22nd June 2026
47AQI (US)
23rd June 2026
56AQI (US)
24th June 2026
92AQI (US)
25th June 2026
57AQI (US)
26th June 2026
53AQI (US)
27th June 2026
59AQI (US)
28th June 2026
57AQI (US)
29th June 2026
50AQI (US)
30th June 2026
43AQI (US)
1st July 2026
54AQI (US)
2nd July 2026
54AQI (US)
3rd July 2026
40AQI (US)
4th July 2026
33AQI (US)
5th July 2026
39AQI (US)
6th July 2026
46AQI (US)
7th July 2026
58AQI (US)
8th July 2026
59AQI (US)
9th July 2026
51AQI (US)
10th July 2026
54AQI (US)
11th July 2026
60AQI (US)
12th July 2026
57AQI (US)
13th July 2026
56AQI (US)
14th July 2026
68AQI (US)
15th July 2026
47AQI (US)
16th July 2026
31AQI (US)
17th July 2026
51AQI (US)
18th July 2026
55AQI (US)
19th July 2026
56AQI (US)
20th July 2026
44AQI (US)
21st July 2026
48AQI (US)
22nd July 2026
41AQI (US)
23rd July 2026
32AQI (US)
24th July 2026
34AQI (US)
25th July 2026
41AQI (US)
26th July 2026
62AQI (US)
27th July 2026
38AQI (US)
28th July 2026
41AQI (US)
29th July 2026
56AQI (US)
30th July 2026
56AQI (US)
31st July 2026
49AQI (US)
1st August 2026
53AQI (US)
2nd August 2026
47AQI (US)
3rd August 2026
46AQI (US)
4th August 2026
47AQI (US)
5th August 2026
46AQI (US)
6th August 2026
44AQI (US)
7th August 2026
32AQI (US)
8th August 2026
28AQI (US)
9th August 2026
30AQI (US)
10th August 2026
28AQI (US)
11th August 2026
29AQI (US)
12th August 2026
28AQI (US)
13th August 2026
28AQI (US)
14th August 2026
37AQI (US)
15th August 2026
44AQI (US)
16th August 2026
30AQI (US)
17th August 2026
30AQI (US)
18th August 2026
35AQI (US)
19th August 2026
35AQI (US)
20th August 2026
37AQI (US)
21st August 2026
28AQI (US)
22nd August 2026
22AQI (US)
23rd August 2026
24AQI (US)
24th August 2026
22AQI (US)
25th August 2026
25AQI (US)
26th August 2026
28AQI (US)
27th August 2026
26AQI (US)
28th August 2026
26AQI (US)
29th August 2026
33AQI (US)
30th August 2026
50AQI (US)
31st August 2026
75AQI (US)
1st September 2026
37AQI (US)
2nd September 2026
27AQI (US)
3rd September 2026
33AQI (US)
4th September 2026
34AQI (US)
5th September 2026
37AQI (US)
6th September 2026
39AQI (US)
7th September 2026
35AQI (US)
8th September 2026
35AQI (US)
9th September 2026
35AQI (US)
10th September 2026
31AQI (US)
11th September 2026
24AQI (US)
12th September 2026
24AQI (US)
13th September 2026
23AQI (US)
14th September 2026
24AQI (US)
15th September 2026
27AQI (US)
16th September 2026
29AQI (US)
17th September 2026
27AQI (US)
18th September 2026
23AQI (US)
19th September 2026
23AQI (US)
20th September 2026
24AQI (US)
21st September 2026
32AQI (US)
22nd September 2026
29AQI (US)
23rd September 2026
27AQI (US)
24th September 2026
26AQI (US)
25th September 2026
27AQI (US)
26th September 2026
28AQI (US)
27th September 2026
36AQI (US)
28th September 2026
34AQI (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

45AQI (US)

48AQI (US)

47AQI (US)

40AQI (US)

40AQI (US)

40AQI (US)

49AQI (US)

35AQI (US)

30AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202642AQI (US)

21
10
20
8
16
15
25
3
24
6
24
6
15
16
29
2
28
202
66

Highest AQI (US) recorded in

July

49AQI (US)

Lowest AQI (US) recorded in

September

30AQI (US)

202546AQI (US)

16
15
13
15
27
4
24
6
29
2
4
26
24
7
13
18
30
9
22
17
13
9
22
215
150

Highest AQI (US) recorded in

December

60AQI (US)

Lowest AQI (US) recorded in

September

31AQI (US)

202431AQI (US)

30
29
31
30
31
30
31
31
30
31
20
10
21
10
345
20

Highest AQI (US) recorded in

December

45AQI (US)

Lowest AQI (US) recorded in

September

23AQI (US)

202339AQI (US)

12
18
8
20
15
16
23
7
21
10
24
6
15
15
1
31
30
31
29
31
270
92
1

Highest AQI (US) recorded in

February

56AQI (US)

Lowest AQI (US) recorded in

December

25AQI (US)

202238AQI (US)

30
22
31
24
31
24
6
23
1
1
29
11
20
22
8
11
20
259
55

Highest AQI (US) recorded in

December

54AQI (US)

Lowest AQI (US) recorded in

August

25AQI (US)

202118AQI (US)

29
28
31
30
31
30
31
31
30
31
30
31
363

Highest AQI (US) recorded in

June

32AQI (US)

Lowest AQI (US) recorded in

April

2AQI (US)

20203AQI (US)

13
21
18
30
31
31
30
31
30
31
266

Highest AQI (US) recorded in

October

7AQI (US)

Lowest AQI (US) recorded in

August

1AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
46AQI (US)
Least Polluted Year Recorded
2020(Avg.)
3AQI (US)

Valldoreix's annual 2026 AQI (US) (42) shows an average percentage change of 246.3% (worsened AQI (US)) compared to previous years: 2020 (3), 2021 (18), 2022 (38), 2023 (39), 2024 (31), 2025 (46).