Pacos De Ferreira, Porto, Portugal 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+
August Air Quality Analysis
Pacos De Ferreira, Porto, Portugal
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
16th Aug 2025
59AQILowest AQI recorded on
1st Aug 2023
7AQISame Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 24 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Pacos De Ferreira, Porto, Portugal
AQI
Day
Night
.
6 AM15th Aug 2026
8 PM
5 AM16th Aug 2026
Day time
Avg. Highest Time
11AM15th Aug
26AQI
Avg. Lowest Time
6PM15th Aug
21AQI
Night time
Avg. Highest Time
4AM16th Aug
32AQI
Avg. Lowest Time
10PM15th Aug
22AQI
In the last 24 hours,
Pacos De Ferreira's AQI reached its highest point of 32 at 4 AM during the Night, while the lowest point, 21, was recorded at 6 PM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Pacos De Ferreira, Porto, Portugal
JulAug
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
18th Jul 2026316 AMAQI
18th Jul 2026337 AMAQI
18th Jul 2026338 AMAQI
18th Jul 2026339 AMAQI
18th Jul 20263310 AMAQI
18th Jul 20263311 AMAQI
18th Jul 20263312 PMAQI
18th Jul 2026331 PMAQI
18th Jul 2026332 PMAQI
18th Jul 2026333 PMAQI
18th Jul 2026334 PMAQI
18th Jul 2026335 PMAQI
18th Jul 2026336 PMAQI
18th Jul 2026337 PMAQI
18th Jul 2026298 PMAQI
18th Jul 2026299 PMAQI
18th Jul 20262910 PMAQI
18th Jul 20262911 PMAQI
19th Jul 20262912 AMAQI
19th Jul 2026291 AMAQI
19th Jul 2026292 AMAQI
19th Jul 2026293 AMAQI
19th Jul 2026294 AMAQI
19th Jul 2026295 AMAQI
21°C14/29°C
19th Jul 2026296 AMAQI
19th Jul 2026297 AMAQI
19th Jul 2026298 AMAQI
19th Jul 2026299 AMAQI
19th Jul 20262910 AMAQI
19th Jul 20262911 AMAQI
19th Jul 20262912 PMAQI
19th Jul 2026291 PMAQI
19th Jul 2026292 PMAQI
19th Jul 2026293 PMAQI
19th Jul 2026294 PMAQI
19th Jul 2026295 PMAQI
19th Jul 2026366 PMAQI
19th Jul 2026517 PMAQI
19th Jul 2026368 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262910 PMAQI
19th Jul 20262311 PMAQI
20th Jul 20262912 AMAQI
20th Jul 2026221 AMAQI
20th Jul 2026222 AMAQI
20th Jul 2026253 AMAQI
20th Jul 2026214 AMAQI
20th Jul 2026255 AMAQI
21°C15/28°C
20th Jul 2026216 AMAQI
20th Jul 2026257 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026219 AMAQI
20th Jul 20262110 AMAQI
20th Jul 20262111 AMAQI
20th Jul 20262912 PMAQI
20th Jul 2026221 PMAQI
20th Jul 2026212 PMAQI
20th Jul 2026293 PMAQI
20th Jul 2026214 PMAQI
20th Jul 2026215 PMAQI
20th Jul 2026296 PMAQI
20th Jul 2026327 PMAQI
20th Jul 2026468 PMAQI
20th Jul 2026429 PMAQI
20th Jul 20263210 PMAQI
20th Jul 20263411 PMAQI
21st Jul 20263412 AMAQI
21st Jul 2026281 AMAQI
21st Jul 2026282 AMAQI
21st Jul 2026283 AMAQI
21st Jul 2026255 AMAQI
20°C14/29°C
21st Jul 2026226 AMAQI
21st Jul 2026247 AMAQI
21st Jul 2026288 AMAQI
21st Jul 2026349 AMAQI
21st Jul 20263210 AMAQI
21st Jul 20264711 AMAQI
21st Jul 20262912 PMAQI
21st Jul 2026361 PMAQI
21st Jul 2026382 PMAQI
21st Jul 2026383 PMAQI
21st Jul 2026284 PMAQI
21st Jul 2026395 PMAQI
21st Jul 2026506 PMAQI
21st Jul 2026547 PMAQI
21st Jul 2026548 PMAQI
21st Jul 2026479 PMAQI
21st Jul 20264010 PMAQI
21st Jul 20264211 PMAQI
22nd Jul 20262812 AMAQI
22nd Jul 2026281 AMAQI
22nd Jul 2026272 AMAQI
22nd Jul 2026273 AMAQI
22nd Jul 2026294 AMAQI
22nd Jul 2026265 AMAQI
21°C14/30°C
22nd Jul 2026286 AMAQI
22nd Jul 2026267 AMAQI
22nd Jul 2026278 AMAQI
22nd Jul 2026289 AMAQI
22nd Jul 20262610 AMAQI
22nd Jul 20262811 AMAQI
22nd Jul 20262512 PMAQI
22nd Jul 2026261 PMAQI
22nd Jul 2026262 PMAQI
22nd Jul 2026283 PMAQI
22nd Jul 2026264 PMAQI
22nd Jul 2026255 PMAQI
22nd Jul 2026266 PMAQI
22nd Jul 2026257 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026259 PMAQI
22nd Jul 20262310 PMAQI
22nd Jul 20262511 PMAQI
23rd Jul 20262412 AMAQI
23rd Jul 2026241 AMAQI
23rd Jul 2026262 AMAQI
23rd Jul 2026253 AMAQI
23rd Jul 2026224 AMAQI
23rd Jul 2026235 AMAQI
21°C14/30°C
23rd Jul 2026216 AMAQI
23rd Jul 2026217 AMAQI
23rd Jul 2026218 AMAQI
23rd Jul 2026229 AMAQI
23rd Jul 20262310 AMAQI
23rd Jul 20262211 AMAQI
23rd Jul 20262412 PMAQI
23rd Jul 2026241 PMAQI
23rd Jul 2026222 PMAQI
23rd Jul 2026223 PMAQI
23rd Jul 2026214 PMAQI
23rd Jul 2026215 PMAQI
23rd Jul 2026256 PMAQI
23rd Jul 2026407 PMAQI
23rd Jul 2026538 PMAQI
23rd Jul 2026349 PMAQI
23rd Jul 20262510 PMAQI
23rd Jul 20262411 PMAQI
24th Jul 20262212 AMAQI
24th Jul 2026211 AMAQI
24th Jul 2026232 AMAQI
24th Jul 2026243 AMAQI
24th Jul 2026254 AMAQI
24th Jul 2026255 AMAQI
20°C14/28°C
24th Jul 2026256 AMAQI
24th Jul 2026297 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026259 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20262111 AMAQI
24th Jul 20262512 PMAQI
24th Jul 2026251 PMAQI
24th Jul 2026292 PMAQI
24th Jul 2026213 PMAQI
24th Jul 2026294 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026256 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026268 PMAQI
24th Jul 2026269 PMAQI
24th Jul 20262910 PMAQI
24th Jul 20262511 PMAQI
25th Jul 20262912 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026292 AMAQI
25th Jul 2026293 AMAQI
25th Jul 2026294 AMAQI
25th Jul 2026295 AMAQI
19°C15/25°C
25th Jul 2026296 AMAQI
25th Jul 2026297 AMAQI
25th Jul 2026298 AMAQI
25th Jul 2026299 AMAQI
25th Jul 20262910 AMAQI
25th Jul 20262911 AMAQI
25th Jul 20262912 PMAQI
25th Jul 2026291 PMAQI
25th Jul 2026292 PMAQI
25th Jul 2026293 PMAQI
25th Jul 2026294 PMAQI
25th Jul 2026295 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026297 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026299 PMAQI
25th Jul 20262910 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20262912 AMAQI
26th Jul 2026291 AMAQI
26th Jul 2026292 AMAQI
26th Jul 2026293 AMAQI
26th Jul 2026294 AMAQI
26th Jul 2026295 AMAQI
20°C15/27°C
26th Jul 2026296 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20262911 AMAQI
26th Jul 20262912 PMAQI
26th Jul 2026291 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026293 PMAQI
26th Jul 2026294 PMAQI
26th Jul 2026295 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026297 PMAQI
26th Jul 2026318 PMAQI
26th Jul 2026349 PMAQI
26th Jul 20262910 PMAQI
26th Jul 20262911 PMAQI
27th Jul 20262912 AMAQI
27th Jul 2026301 AMAQI
27th Jul 2026302 AMAQI
27th Jul 2026303 AMAQI
27th Jul 2026294 AMAQI
27th Jul 2026295 AMAQI
21°C13/31°C
27th Jul 2026296 AMAQI
27th Jul 2026297 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026299 AMAQI
27th Jul 20262910 AMAQI
27th Jul 20262911 AMAQI
27th Jul 20262912 PMAQI
27th Jul 2026291 PMAQI
27th Jul 2026292 PMAQI
27th Jul 2026293 PMAQI
27th Jul 2026294 PMAQI
27th Jul 2026485 PMAQI
27th Jul 2026726 PMAQI
27th Jul 2026507 PMAQI
27th Jul 2026428 PMAQI
27th Jul 2026209 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20261911 PMAQI
28th Jul 20262012 AMAQI
28th Jul 2026201 AMAQI
28th Jul 2026332 AMAQI
28th Jul 2026253 AMAQI
28th Jul 2026324 AMAQI
28th Jul 2026235 AMAQI
26°C18/36°C
28th Jul 2026216 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026239 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262111 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026301 PMAQI
28th Jul 2026552 PMAQI
28th Jul 2026753 PMAQI
28th Jul 2026764 PMAQI
28th Jul 2026565 PMAQI
28th Jul 2026236 PMAQI
28th Jul 2026307 PMAQI
28th Jul 2026318 PMAQI
28th Jul 2026389 PMAQI
28th Jul 20263610 PMAQI
28th Jul 20264011 PMAQI
29th Jul 20265112 AMAQI
29th Jul 2026461 AMAQI
29th Jul 2026422 AMAQI
29th Jul 2026283 AMAQI
29th Jul 2026184 AMAQI
29th Jul 2026175 AMAQI
25°C18/34°C
29th Jul 2026236 AMAQI
29th Jul 2026337 AMAQI
29th Jul 2026278 AMAQI
29th Jul 2026279 AMAQI
29th Jul 20262510 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20266712 PMAQI
29th Jul 2026381 PMAQI
29th Jul 2026322 PMAQI
29th Jul 2026323 PMAQI
29th Jul 2026314 PMAQI
29th Jul 2026295 PMAQI
29th Jul 2026206 PMAQI
29th Jul 2026207 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262310 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026223 AMAQI
30th Jul 2026214 AMAQI
30th Jul 2026165 AMAQI
21°C15/29°C
30th Jul 2026196 AMAQI
30th Jul 2026187 AMAQI
30th Jul 2026268 AMAQI
30th Jul 2026329 AMAQI
30th Jul 20262910 AMAQI
30th Jul 20262711 AMAQI
30th Jul 20261612 PMAQI
30th Jul 2026161 PMAQI
30th Jul 2026182 PMAQI
30th Jul 2026183 PMAQI
30th Jul 2026294 PMAQI
30th Jul 2026295 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026297 PMAQI
30th Jul 2026298 PMAQI
30th Jul 2026299 PMAQI
30th Jul 20262910 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20262912 AMAQI
31st Jul 2026291 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026293 AMAQI
31st Jul 2026294 AMAQI
31st Jul 2026295 AMAQI
19°C14/27°C
31st Jul 2026296 AMAQI
31st Jul 2026297 AMAQI
31st Jul 2026298 AMAQI
31st Jul 2026299 AMAQI
31st Jul 20262910 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20262912 PMAQI
31st Jul 2026291 PMAQI
31st Jul 2026292 PMAQI
31st Jul 2026293 PMAQI
31st Jul 2026294 PMAQI
31st Jul 2026405 PMAQI
31st Jul 2026486 PMAQI
31st Jul 2026447 PMAQI
31st Jul 2026388 PMAQI
31st Jul 2026259 PMAQI
31st Jul 20262910 PMAQI
31st Jul 20262911 PMAQI
1st Aug 20262912 AMAQI
1st Aug 2026291 AMAQI
1st Aug 2026292 AMAQI
1st Aug 2026293 AMAQI
1st Aug 2026294 AMAQI
1st Aug 2026295 AMAQI
20°C13/29°C
1st Aug 2026296 AMAQI
1st Aug 2026297 AMAQI
1st Aug 2026298 AMAQI
1st Aug 2026299 AMAQI
1st Aug 20262910 AMAQI
1st Aug 20262911 AMAQI
1st Aug 20262912 PMAQI
1st Aug 2026291 PMAQI
1st Aug 2026292 PMAQI
1st Aug 2026293 PMAQI
1st Aug 2026294 PMAQI
1st Aug 2026295 PMAQI
1st Aug 2026296 PMAQI
1st Aug 2026367 PMAQI
1st Aug 2026368 PMAQI
1st Aug 2026299 PMAQI
1st Aug 20262110 PMAQI
1st Aug 20262911 PMAQI
2nd Aug 20262912 AMAQI
2nd Aug 2026291 AMAQI
2nd Aug 2026292 AMAQI
2nd Aug 2026293 AMAQI
2nd Aug 2026294 AMAQI
2nd Aug 2026295 AMAQI
22°C14/32°C
2nd Aug 2026296 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026258 AMAQI
2nd Aug 2026239 AMAQI
2nd Aug 20263410 AMAQI
2nd Aug 20262911 AMAQI
2nd Aug 20262912 PMAQI
2nd Aug 2026291 PMAQI
2nd Aug 2026292 PMAQI
2nd Aug 2026293 PMAQI
2nd Aug 2026294 PMAQI
2nd Aug 2026295 PMAQI
2nd Aug 2026296 PMAQI
2nd Aug 2026297 PMAQI
2nd Aug 2026298 PMAQI
2nd Aug 2026299 PMAQI
2nd Aug 20262910 PMAQI
2nd Aug 20262911 PMAQI
3rd Aug 20262512 AMAQI
3rd Aug 2026301 AMAQI
3rd Aug 2026382 AMAQI
3rd Aug 2026273 AMAQI
3rd Aug 2026294 AMAQI
3rd Aug 2026295 AMAQI
20°C14/28°C
3rd Aug 2026296 AMAQI
3rd Aug 2026297 AMAQI
3rd Aug 2026298 AMAQI
3rd Aug 2026299 AMAQI
3rd Aug 20262910 AMAQI
3rd Aug 20262911 AMAQI
3rd Aug 20262912 PMAQI
3rd Aug 2026291 PMAQI
3rd Aug 2026292 PMAQI
3rd Aug 2026293 PMAQI
3rd Aug 2026294 PMAQI
3rd Aug 2026295 PMAQI
3rd Aug 2026296 PMAQI
3rd Aug 2026297 PMAQI
3rd Aug 2026298 PMAQI
3rd Aug 2026299 PMAQI
3rd Aug 20262910 PMAQI
3rd Aug 20262911 PMAQI
4th Aug 20262912 AMAQI
4th Aug 2026291 AMAQI
4th Aug 2026292 AMAQI
4th Aug 2026293 AMAQI
4th Aug 2026294 AMAQI
4th Aug 2026295 AMAQI
20°C14/27°C
4th Aug 2026296 AMAQI
4th Aug 2026297 AMAQI
4th Aug 2026338 AMAQI
4th Aug 2026339 AMAQI
4th Aug 20263310 AMAQI
4th Aug 20263311 AMAQI
4th Aug 20263312 PMAQI
4th Aug 2026331 PMAQI
4th Aug 2026332 PMAQI
4th Aug 2026333 PMAQI
4th Aug 2026334 PMAQI
4th Aug 2026345 PMAQI
4th Aug 2026336 PMAQI
4th Aug 2026337 PMAQI
4th Aug 2026318 PMAQI
4th Aug 2026299 PMAQI
4th Aug 20262910 PMAQI
4th Aug 20262911 PMAQI
5th Aug 20262912 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026292 AMAQI
5th Aug 2026253 AMAQI
5th Aug 2026294 AMAQI
5th Aug 2026295 AMAQI
21°C16/27°C
5th Aug 2026296 AMAQI
5th Aug 2026297 AMAQI
5th Aug 2026298 AMAQI
5th Aug 2026299 AMAQI
5th Aug 20262910 AMAQI
5th Aug 20262911 AMAQI
5th Aug 20262912 PMAQI
5th Aug 2026291 PMAQI
5th Aug 2026292 PMAQI
5th Aug 2026273 PMAQI
5th Aug 2026274 PMAQI
5th Aug 2026295 PMAQI
5th Aug 2026296 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026298 PMAQI
5th Aug 2026299 PMAQI
5th Aug 20262910 PMAQI
5th Aug 20262911 PMAQI
6th Aug 20262912 AMAQI
6th Aug 2026291 AMAQI
6th Aug 2026292 AMAQI
6th Aug 2026293 AMAQI
6th Aug 2026294 AMAQI
6th Aug 2026295 AMAQI
21°C15/29°C
6th Aug 2026296 AMAQI
6th Aug 2026297 AMAQI
6th Aug 2026298 AMAQI
6th Aug 2026299 AMAQI
6th Aug 20262910 AMAQI
6th Aug 20262911 AMAQI
6th Aug 20262912 PMAQI
6th Aug 2026291 PMAQI
6th Aug 2026292 PMAQI
6th Aug 2026293 PMAQI
6th Aug 2026294 PMAQI
6th Aug 2026235 PMAQI
6th Aug 2026296 PMAQI
6th Aug 2026297 PMAQI
6th Aug 2026608 PMAQI
6th Aug 2026329 PMAQI
6th Aug 20261710 PMAQI
6th Aug 20261711 PMAQI
7th Aug 20261712 AMAQI
7th Aug 2026181 AMAQI
7th Aug 2026192 AMAQI
7th Aug 2026243 AMAQI
7th Aug 2026294 AMAQI
7th Aug 2026295 AMAQI
21°C14/31°C
7th Aug 2026246 AMAQI
7th Aug 2026197 AMAQI
7th Aug 2026208 AMAQI
7th Aug 2026199 AMAQI
7th Aug 20262010 AMAQI
7th Aug 20262011 AMAQI
7th Aug 20262012 PMAQI
7th Aug 2026201 PMAQI
7th Aug 2026212 PMAQI
7th Aug 2026203 PMAQI
7th Aug 2026214 PMAQI
7th Aug 2026185 PMAQI
7th Aug 2026186 PMAQI
7th Aug 2026247 PMAQI
7th Aug 2026188 PMAQI
7th Aug 2026169 PMAQI
7th Aug 20261710 PMAQI
7th Aug 20261611 PMAQI
8th Aug 20262212 AMAQI
8th Aug 2026221 AMAQI
8th Aug 2026292 AMAQI
8th Aug 2026293 AMAQI
8th Aug 2026294 AMAQI
8th Aug 2026295 AMAQI
22°C14/31°C
8th Aug 2026296 AMAQI
8th Aug 2026297 AMAQI
8th Aug 2026298 AMAQI
8th Aug 2026299 AMAQI
8th Aug 20262910 AMAQI
8th Aug 20262911 AMAQI
8th Aug 20262912 PMAQI
8th Aug 2026291 PMAQI
8th Aug 2026292 PMAQI
8th Aug 2026293 PMAQI
8th Aug 2026294 PMAQI
8th Aug 2026295 PMAQI
8th Aug 2026296 PMAQI
8th Aug 2026297 PMAQI
8th Aug 2026298 PMAQI
8th Aug 2026299 PMAQI
8th Aug 20262910 PMAQI
8th Aug 20262911 PMAQI
9th Aug 20262912 AMAQI
9th Aug 2026251 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026293 AMAQI
9th Aug 2026294 AMAQI
9th Aug 2026295 AMAQI
22°C15/30°C
9th Aug 2026256 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026298 AMAQI
9th Aug 2026299 AMAQI
9th Aug 20262910 AMAQI
9th Aug 20262911 AMAQI
9th Aug 20262912 PMAQI
9th Aug 2026291 PMAQI
9th Aug 2026292 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026274 PMAQI
9th Aug 2026295 PMAQI
9th Aug 2026296 PMAQI
9th Aug 2026297 PMAQI
9th Aug 2026298 PMAQI
9th Aug 2026299 PMAQI
9th Aug 20262910 PMAQI
9th Aug 20262911 PMAQI
10th Aug 20262912 AMAQI
10th Aug 2026291 AMAQI
10th Aug 2026292 AMAQI
10th Aug 2026293 AMAQI
10th Aug 2026364 AMAQI
10th Aug 2026295 AMAQI
21°C16/29°C
10th Aug 2026296 AMAQI
10th Aug 2026297 AMAQI
10th Aug 2026298 AMAQI
10th Aug 2026299 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262911 AMAQI
10th Aug 20262912 PMAQI
10th Aug 2026291 PMAQI
10th Aug 2026292 PMAQI
10th Aug 2026293 PMAQI
10th Aug 2026294 PMAQI
10th Aug 2026295 PMAQI
10th Aug 2026296 PMAQI
10th Aug 2026297 PMAQI
10th Aug 2026298 PMAQI
10th Aug 2026299 PMAQI
10th Aug 20262910 PMAQI
10th Aug 20262911 PMAQI
11th Aug 20262912 AMAQI
11th Aug 2026291 AMAQI
11th Aug 2026292 AMAQI
11th Aug 2026293 AMAQI
11th Aug 2026294 AMAQI
11th Aug 2026295 AMAQI
21°C14/30°C
11th Aug 2026296 AMAQI
11th Aug 2026297 AMAQI
11th Aug 2026298 AMAQI
11th Aug 2026299 AMAQI
11th Aug 20262910 AMAQI
11th Aug 20262911 AMAQI
11th Aug 20262912 PMAQI
11th Aug 2026291 PMAQI
11th Aug 2026292 PMAQI
11th Aug 2026293 PMAQI
11th Aug 2026294 PMAQI
11th Aug 2026295 PMAQI
11th Aug 2026296 PMAQI
11th Aug 2026297 PMAQI
11th Aug 2026298 PMAQI
11th Aug 2026299 PMAQI
11th Aug 20262910 PMAQI
11th Aug 20262911 PMAQI
12th Aug 20262912 AMAQI
12th Aug 2026291 AMAQI
12th Aug 2026292 AMAQI
12th Aug 2026293 AMAQI
12th Aug 2026294 AMAQI
12th Aug 2026295 AMAQI
22°C15/32°C
12th Aug 2026296 AMAQI
12th Aug 2026297 AMAQI
12th Aug 2026298 AMAQI
12th Aug 2026299 AMAQI
12th Aug 20262910 AMAQI
12th Aug 20262911 AMAQI
12th Aug 20262912 PMAQI
12th Aug 2026521 PMAQI
12th Aug 2026642 PMAQI
12th Aug 2026663 PMAQI
12th Aug 2026294 PMAQI
12th Aug 2026295 PMAQI
12th Aug 2026296 PMAQI
12th Aug 2026287 PMAQI
12th Aug 2026298 PMAQI
12th Aug 2026309 PMAQI
12th Aug 20262910 PMAQI
12th Aug 20262911 PMAQI
13th Aug 20262912 AMAQI
13th Aug 2026291 AMAQI
13th Aug 2026292 AMAQI
13th Aug 2026323 AMAQI
13th Aug 2026924 AMAQI
13th Aug 2026265 AMAQI
23°C16/33°C
13th Aug 2026246 AMAQI
13th Aug 2026247 AMAQI
13th Aug 2026238 AMAQI
13th Aug 2026269 AMAQI
13th Aug 20262410 AMAQI
13th Aug 20262511 AMAQI
13th Aug 20262512 PMAQI
13th Aug 2026241 PMAQI
13th Aug 2026442 PMAQI
13th Aug 2026523 PMAQI
13th Aug 2026514 PMAQI
13th Aug 2026345 PMAQI
13th Aug 2026296 PMAQI
13th Aug 2026257 PMAQI
13th Aug 2026258 PMAQI
13th Aug 2026259 PMAQI
13th Aug 20263410 PMAQI
13th Aug 20264211 PMAQI
14th Aug 20263612 AMAQI
14th Aug 2026271 AMAQI
14th Aug 2026252 AMAQI
14th Aug 2026403 AMAQI
14th Aug 2026274 AMAQI
14th Aug 2026255 AMAQI
23°C16/33°C
14th Aug 2026256 AMAQI
14th Aug 2026257 AMAQI
14th Aug 2026448 AMAQI
14th Aug 2026429 AMAQI
14th Aug 20263610 AMAQI
14th Aug 20262411 AMAQI
14th Aug 20262112 PMAQI
14th Aug 2026231 PMAQI
14th Aug 2026232 PMAQI
14th Aug 2026243 PMAQI
14th Aug 2026284 PMAQI
14th Aug 2026255 PMAQI
14th Aug 2026246 PMAQI
14th Aug 2026257 PMAQI
14th Aug 2026258 PMAQI
14th Aug 2026259 PMAQI
14th Aug 20262410 PMAQI
14th Aug 20262411 PMAQI
15th Aug 20262612 AMAQI
15th Aug 2026261 AMAQI
15th Aug 2026222 AMAQI
15th Aug 2026223 AMAQI
15th Aug 2026284 AMAQI
15th Aug 2026425 AMAQI
23°C16/31°C
15th Aug 2026216 AMAQI
15th Aug 2026217 AMAQI
15th Aug 2026218 AMAQI
15th Aug 2026239 AMAQI
15th Aug 20262410 AMAQI
15th Aug 20262611 AMAQI
15th Aug 20262312 PMAQI
15th Aug 2026211 PMAQI
15th Aug 2026212 PMAQI
15th Aug 2026213 PMAQI
15th Aug 2026214 PMAQI
15th Aug 2026225 PMAQI
15th Aug 2026216 PMAQI
15th Aug 2026227 PMAQI
15th Aug 2026258 PMAQI
15th Aug 2026269 PMAQI
15th Aug 20262210 PMAQI
15th Aug 20262411 PMAQI
16th Aug 20262412 AMAQI
16th Aug 2026301 AMAQI
16th Aug 2026312 AMAQI
16th Aug 2026313 AMAQI
16th Aug 2026324 AMAQI
16th Aug 2026305 AMAQI
24°C17/34°C
16th Aug 2026426 AMAQI
6 AM16th Aug 2026557 AMAQI
16th Aug 2026588 AMAQI
16th Aug 2026649 AMAQI
16th Aug 20266810 AMAQI
16th Aug 20267011 AMAQI
16th Aug 20267112 PMAQI
16th Aug 2026811 PMAQI
1 PM16th Aug 2026782 PMAQI
16th Aug 2026803 PMAQI
16th Aug 2026544 PMAQI
16th Aug 2026255 PMAQI
16th Aug 2026296 PMAQI
16th Aug 2026257 PMAQI
16th Aug 2026788 PMAQI
8 PM16th Aug 2026679 PMAQI
16th Aug 20266610 PMAQI
16th Aug 20266211 PMAQI
1 AM
5 AM
27°C18/37°C
Day time
Avg. Highest Time
8 PM
34AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM
27AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 8 PM (Avg. 34), while the lowest AQI was between 6 AM to 6 AM (Avg. 27).
Night time
Avg. Highest Time
4 AM
30AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
1 AM
27AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 30), while the lowest AQI was between 1 AM to 1 AM (Avg. 27).
2026 Days Vs Air Quality
Pacos De Ferreira, Porto, Portugal
2026
95%
213
5%
11
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
213 DaysModerate
11 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 228 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Pacos De Ferreira, Porto, Portugal
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
47AQI (US)
47AQI (US)
2nd January 2026
20AQI (US)
20AQI (US)
3rd January 2026
36AQI (US)
36AQI (US)
4th January 2026
33AQI (US)
33AQI (US)
5th January 2026
35AQI (US)
35AQI (US)
6th January 2026
30AQI (US)
30AQI (US)
7th January 2026
54AQI (US)
54AQI (US)
8th January 2026
57AQI (US)
57AQI (US)
9th January 2026
21AQI (US)
21AQI (US)
10th January 2026
37AQI (US)
37AQI (US)
11th January 2026
30AQI (US)
30AQI (US)
12th January 2026
14AQI (US)
14AQI (US)
13th January 2026
14AQI (US)
14AQI (US)
14th January 2026
27AQI (US)
27AQI (US)
15th January 2026
40AQI (US)
40AQI (US)
16th January 2026
38AQI (US)
38AQI (US)
17th January 2026
43AQI (US)
43AQI (US)
18th January 2026
53AQI (US)
53AQI (US)
19th January 2026
65AQI (US)
65AQI (US)
20th January 2026
60AQI (US)
60AQI (US)
21st January 2026
23AQI (US)
23AQI (US)
22nd January 2026
28AQI (US)
28AQI (US)
23rd January 2026
38AQI (US)
38AQI (US)
24th January 2026
45AQI (US)
45AQI (US)
25th January 2026
49AQI (US)
49AQI (US)
26th January 2026
44AQI (US)
44AQI (US)
27th January 2026
32AQI (US)
32AQI (US)
28th January 2026
40AQI (US)
40AQI (US)
29th January 2026
46AQI (US)
46AQI (US)
30th January 2026
41AQI (US)
41AQI (US)
31st January 2026
39AQI (US)
39AQI (US)
1st February 2026
43AQI (US)
43AQI (US)
2nd February 2026
48AQI (US)
48AQI (US)
3rd February 2026
46AQI (US)
46AQI (US)
4th February 2026
50AQI (US)
50AQI (US)
5th February 2026
29AQI (US)
29AQI (US)
6th February 2026
35AQI (US)
35AQI (US)
7th February 2026
38AQI (US)
38AQI (US)
8th February 2026
43AQI (US)
43AQI (US)
9th February 2026
37AQI (US)
37AQI (US)
10th February 2026
36AQI (US)
36AQI (US)
11th February 2026
36AQI (US)
36AQI (US)
12th February 2026
44AQI (US)
44AQI (US)
13th February 2026
18AQI (US)
18AQI (US)
14th February 2026
36AQI (US)
36AQI (US)
15th February 2026
37AQI (US)
37AQI (US)
16th February 2026
40AQI (US)
40AQI (US)
17th February 2026
33AQI (US)
33AQI (US)
18th February 2026
38AQI (US)
38AQI (US)
19th February 2026
41AQI (US)
41AQI (US)
20th February 2026
29AQI (US)
29AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
45AQI (US)
45AQI (US)
23rd February 2026
66AQI (US)
66AQI (US)
24th February 2026
51AQI (US)
51AQI (US)
25th February 2026
41AQI (US)
41AQI (US)
26th February 2026
35AQI (US)
35AQI (US)
27th February 2026
32AQI (US)
32AQI (US)
28th February 2026
30AQI (US)
30AQI (US)
1st March 2026
35AQI (US)
35AQI (US)
2nd March 2026
41AQI (US)
41AQI (US)
3rd March 2026
46AQI (US)
46AQI (US)
4th March 2026
62AQI (US)
62AQI (US)
5th March 2026
41AQI (US)
41AQI (US)
6th March 2026
18AQI (US)
18AQI (US)
7th March 2026
33AQI (US)
33AQI (US)
8th March 2026
37AQI (US)
37AQI (US)
9th March 2026
33AQI (US)
33AQI (US)
10th March 2026
27AQI (US)
27AQI (US)
11th March 2026
39AQI (US)
39AQI (US)
12th March 2026
35AQI (US)
35AQI (US)
13th March 2026
38AQI (US)
38AQI (US)
14th March 2026
34AQI (US)
34AQI (US)
15th March 2026
28AQI (US)
28AQI (US)
16th March 2026
36AQI (US)
36AQI (US)
17th March 2026
35AQI (US)
35AQI (US)
18th March 2026
32AQI (US)
32AQI (US)
19th March 2026
35AQI (US)
35AQI (US)
20th March 2026
45AQI (US)
45AQI (US)
21st March 2026
56AQI (US)
56AQI (US)
22nd March 2026
62AQI (US)
62AQI (US)
23rd March 2026
51AQI (US)
51AQI (US)
24th March 2026
35AQI (US)
35AQI (US)
25th March 2026
37AQI (US)
37AQI (US)
26th March 2026
15AQI (US)
15AQI (US)
27th March 2026
21AQI (US)
21AQI (US)
28th March 2026
27AQI (US)
27AQI (US)
29th March 2026
25AQI (US)
25AQI (US)
30th March 2026
23AQI (US)
23AQI (US)
31st March 2026
25AQI (US)
25AQI (US)
1st April 2026
28AQI (US)
28AQI (US)
2nd April 2026
26AQI (US)
26AQI (US)
3rd April 2026
26AQI (US)
26AQI (US)
4th April 2026
27AQI (US)
27AQI (US)
5th April 2026
32AQI (US)
32AQI (US)
6th April 2026
30AQI (US)
30AQI (US)
7th April 2026
37AQI (US)
37AQI (US)
8th April 2026
21AQI (US)
21AQI (US)
9th April 2026
27AQI (US)
27AQI (US)
10th April 2026
44AQI (US)
44AQI (US)
11th April 2026
28AQI (US)
28AQI (US)
12th April 2026
19AQI (US)
19AQI (US)
13th April 2026
27AQI (US)
27AQI (US)
14th April 2026
25AQI (US)
25AQI (US)
15th April 2026
31AQI (US)
31AQI (US)
16th April 2026
30AQI (US)
30AQI (US)
17th April 2026
18th April 2026
28AQI (US)
28AQI (US)
19th April 2026
25AQI (US)
25AQI (US)
20th April 2026
25AQI (US)
25AQI (US)
21st April 2026
37AQI (US)
37AQI (US)
22nd April 2026
23rd April 2026
25AQI (US)
25AQI (US)
24th April 2026
22AQI (US)
22AQI (US)
25th April 2026
25AQI (US)
25AQI (US)
26th April 2026
38AQI (US)
38AQI (US)
27th April 2026
29AQI (US)
29AQI (US)
28th April 2026
30AQI (US)
30AQI (US)
29th April 2026
39AQI (US)
39AQI (US)
30th April 2026
23AQI (US)
23AQI (US)
1st May 2026
27AQI (US)
27AQI (US)
2nd May 2026
22AQI (US)
22AQI (US)
3rd May 2026
20AQI (US)
20AQI (US)
4th May 2026
31AQI (US)
31AQI (US)
5th May 2026
35AQI (US)
35AQI (US)
6th May 2026
29AQI (US)
29AQI (US)
7th May 2026
25AQI (US)
25AQI (US)
8th May 2026
26AQI (US)
26AQI (US)
9th May 2026
10th May 2026
29AQI (US)
29AQI (US)
11th May 2026
26AQI (US)
26AQI (US)
12th May 2026
27AQI (US)
27AQI (US)
13th May 2026
26AQI (US)
26AQI (US)
14th May 2026
24AQI (US)
24AQI (US)
15th May 2026
31AQI (US)
31AQI (US)
16th May 2026
35AQI (US)
35AQI (US)
17th May 2026
36AQI (US)
36AQI (US)
18th May 2026
37AQI (US)
37AQI (US)
19th May 2026
38AQI (US)
38AQI (US)
20th May 2026
37AQI (US)
37AQI (US)
21st May 2026
40AQI (US)
40AQI (US)
22nd May 2026
44AQI (US)
44AQI (US)
23rd May 2026
43AQI (US)
43AQI (US)
24th May 2026
46AQI (US)
46AQI (US)
25th May 2026
38AQI (US)
38AQI (US)
26th May 2026
31AQI (US)
31AQI (US)
27th May 2026
26AQI (US)
26AQI (US)
28th May 2026
26AQI (US)
26AQI (US)
29th May 2026
26AQI (US)
26AQI (US)
30th May 2026
26AQI (US)
26AQI (US)
31st May 2026
27AQI (US)
27AQI (US)
1st June 2026
29AQI (US)
29AQI (US)
2nd June 2026
18AQI (US)
18AQI (US)
3rd June 2026
16AQI (US)
16AQI (US)
4th June 2026
18AQI (US)
18AQI (US)
5th June 2026
23AQI (US)
23AQI (US)
6th June 2026
22AQI (US)
22AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
23AQI (US)
23AQI (US)
9th June 2026
20AQI (US)
20AQI (US)
10th June 2026
23AQI (US)
23AQI (US)
11th June 2026
23AQI (US)
23AQI (US)
12th June 2026
17AQI (US)
17AQI (US)
13th June 2026
23AQI (US)
23AQI (US)
14th June 2026
25AQI (US)
25AQI (US)
15th June 2026
23AQI (US)
23AQI (US)
16th June 2026
24AQI (US)
24AQI (US)
17th June 2026
25AQI (US)
25AQI (US)
18th June 2026
26AQI (US)
26AQI (US)
19th June 2026
23AQI (US)
23AQI (US)
20th June 2026
20AQI (US)
20AQI (US)
21st June 2026
21AQI (US)
21AQI (US)
22nd June 2026
22AQI (US)
22AQI (US)
23rd June 2026
26AQI (US)
26AQI (US)
24th June 2026
26AQI (US)
26AQI (US)
25th June 2026
24AQI (US)
24AQI (US)
26th June 2026
15AQI (US)
15AQI (US)
27th June 2026
19AQI (US)
19AQI (US)
28th June 2026
23AQI (US)
23AQI (US)
29th June 2026
18AQI (US)
18AQI (US)
30th June 2026
16AQI (US)
16AQI (US)
1st July 2026
20AQI (US)
20AQI (US)
2nd July 2026
20AQI (US)
20AQI (US)
3rd July 2026
20AQI (US)
20AQI (US)
4th July 2026
17AQI (US)
17AQI (US)
5th July 2026
28AQI (US)
28AQI (US)
6th July 2026
35AQI (US)
35AQI (US)
7th July 2026
34AQI (US)
34AQI (US)
8th July 2026
26AQI (US)
26AQI (US)
9th July 2026
26AQI (US)
26AQI (US)
10th July 2026
28AQI (US)
28AQI (US)
11th July 2026
28AQI (US)
28AQI (US)
12th July 2026
28AQI (US)
28AQI (US)
13th July 2026
26AQI (US)
26AQI (US)
14th July 2026
23AQI (US)
23AQI (US)
15th July 2026
19AQI (US)
19AQI (US)
16th July 2026
19AQI (US)
19AQI (US)
17th July 2026
27AQI (US)
27AQI (US)
18th July 2026
31AQI (US)
31AQI (US)
19th July 2026
30AQI (US)
30AQI (US)
20th July 2026
26AQI (US)
26AQI (US)
21st July 2026
36AQI (US)
36AQI (US)
22nd July 2026
26AQI (US)
26AQI (US)
23rd July 2026
25AQI (US)
25AQI (US)
24th July 2026
25AQI (US)
25AQI (US)
25th July 2026
29AQI (US)
29AQI (US)
26th July 2026
29AQI (US)
29AQI (US)
27th July 2026
32AQI (US)
32AQI (US)
28th July 2026
33AQI (US)
33AQI (US)
29th July 2026
30AQI (US)
30AQI (US)
30th July 2026
24AQI (US)
24AQI (US)
31st July 2026
31AQI (US)
31AQI (US)
1st August 2026
29AQI (US)
29AQI (US)
2nd August 2026
29AQI (US)
29AQI (US)
3rd August 2026
29AQI (US)
29AQI (US)
4th August 2026
31AQI (US)
31AQI (US)
5th August 2026
28AQI (US)
28AQI (US)
6th August 2026
29AQI (US)
29AQI (US)
7th August 2026
20AQI (US)
20AQI (US)
8th August 2026
28AQI (US)
28AQI (US)
9th August 2026
28AQI (US)
28AQI (US)
10th August 2026
29AQI (US)
29AQI (US)
11th August 2026
29AQI (US)
29AQI (US)
12th August 2026
33AQI (US)
33AQI (US)
13th August 2026
33AQI (US)
33AQI (US)
14th August 2026
28AQI (US)
28AQI (US)
15th August 2026
24AQI (US)
24AQI (US)
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
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
38AQI (US)
39AQI (US)
36AQI (US)
29AQI (US)
31AQI (US)
22AQI (US)
27AQI (US)
28AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202631AQI (US)
26
5
26
2
27
4
28
30
30
31
15
213
11
Highest AQI (US) recorded in
February39AQI (US)
Lowest AQI (US) recorded in
June22AQI (US)
202539AQI (US)
28
3
28
31
30
31
25
5
31
19
12
28
2
11
18
2
17
13
17
14
296
67
2
Highest AQI (US) recorded in
October57AQI (US)
Lowest AQI (US) recorded in
April26AQI (US)
202433AQI (US)
19
11
11
8
1
20
2
29
31
30
31
30
24
2
1
25
6
27
3
27
4
304
36
1
1
Highest AQI (US) recorded in
February50AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
202333AQI (US)
13
9
2
6
6
6
16
2
13
25
25
30
1
28
30
17
4
23
4
1
1
24
6
250
32
3
7
Highest AQI (US) recorded in
January74AQI (US)
Lowest AQI (US) recorded in
September17AQI (US)
202225AQI (US)
28
1
25
1
30
23
1
1
27
28
3
28
2
28
3
219
10
Highest AQI (US) recorded in
December33AQI (US)
Lowest AQI (US) recorded in
April9AQI (US)
202150AQI (US)
12
11
7
17
10
1
5
20
6
13
17
5
23
3
1
2
4
4
16
10
17
4
23
5
1
31
30
31
182
121
26
Highest AQI (US) recorded in
June93AQI (US)
Lowest AQI (US) recorded in
November13AQI (US)
202041AQI (US)
11
2
21
18
22
27
2
13
13
1
18
4
1
24
1
20
7
15
12
1
189
41
1
1
1
Highest AQI (US) recorded in
August56AQI (US)
Lowest AQI (US) recorded in
May29AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2021(Avg.)
50AQI (US)Least Polluted Year Recorded
2022(Avg.)
25AQI (US)Pacos De Ferreira's annual 2026 AQI (US) (31) shows an average percentage change of -11.8% (improved AQI (US)) compared to previous years: 2020 (41), 2021 (50), 2022 (25), 2023 (33), 2024 (33), 2025 (39).
