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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

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
16th Aug 2021
136AQI
Lowest AQI recorded on
1st Aug 2023
7AQI

Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 42 of Good air quality, showing improvement over 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025

Pacos De Ferreira, Porto, Portugal

AQI
Day
Night
.

6 AM1st Aug 2025

9 PM

5 AM2nd Aug 2025

Day time
Avg. Highest Time
7AM1st Aug

47AQI

Avg. Lowest Time
8AM1st Aug

36AQI

Night time
Avg. Highest Time
4AM2nd Aug

46AQI

Avg. Lowest Time
3AM2nd Aug

35AQI

In the last 24 hours,

Pacos De Ferreira's AQI reached its highest point of 47 at 7 AM during the Day, while the lowest point, 35, was recorded at 3 AM during the Night between 1st Aug and 2nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Pacos De Ferreira, Porto, Portugal

JulAug
03rd - 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 - 30th30th - 31st31st - 01st01st - 02nd02nd
Day
Night
3rd Jul 2025386 AMAQI
3rd Jul 2025387 AMAQI
3rd Jul 2025388 AMAQI
3rd Jul 2025389 AMAQI
3rd Jul 20254010 AMAQI
3rd Jul 20254211 AMAQI
3rd Jul 20254012 PMAQI
3rd Jul 2025391 PMAQI
3rd Jul 2025432 PMAQI
3rd Jul 2025423 PMAQI
3rd Jul 2025404 PMAQI
3rd Jul 2025405 PMAQI
3rd Jul 2025386 PMAQI
3rd Jul 2025427 PMAQI
3rd Jul 2025438 PMAQI
3rd Jul 2025459 PMAQI
3rd Jul 20254310 PMAQI
3rd Jul 20254311 PMAQI
4th Jul 20254112 AMAQI
4th Jul 2025421 AMAQI
4th Jul 2025402 AMAQI
4th Jul 2025383 AMAQI
4th Jul 2025394 AMAQI
4th Jul 2025425 AMAQI

27°C19/36°C

4th Jul 2025436 AMAQI
4th Jul 2025447 AMAQI
4th Jul 2025428 AMAQI
4th Jul 2025459 AMAQI
4th Jul 20254610 AMAQI
4th Jul 20254611 AMAQI
4th Jul 20254612 PMAQI
4th Jul 2025461 PMAQI
4th Jul 2025472 PMAQI
4th Jul 2025463 PMAQI
4th Jul 2025484 PMAQI
4th Jul 2025455 PMAQI
4th Jul 2025456 PMAQI
4th Jul 2025447 PMAQI
4th Jul 2025438 PMAQI
4th Jul 2025449 PMAQI
4th Jul 20254310 PMAQI
4th Jul 20254211 PMAQI
5th Jul 20254312 AMAQI
5th Jul 2025421 AMAQI
5th Jul 2025432 AMAQI
5th Jul 2025443 AMAQI
5th Jul 2025464 AMAQI
5th Jul 2025485 AMAQI

27°C21/34°C

5th Jul 2025556 AMAQI
5th Jul 2025507 AMAQI
5th Jul 2025478 AMAQI
5th Jul 2025489 AMAQI
5th Jul 20254810 AMAQI
5th Jul 20255111 AMAQI
5th Jul 20255012 PMAQI
5th Jul 2025501 PMAQI
5th Jul 2025482 PMAQI
5th Jul 2025503 PMAQI
5th Jul 2025524 PMAQI
5th Jul 2025515 PMAQI
5th Jul 2025506 PMAQI
5th Jul 2025487 PMAQI
5th Jul 2025488 PMAQI
5th Jul 2025459 PMAQI
5th Jul 20254610 PMAQI
5th Jul 20254711 PMAQI
6th Jul 20254812 AMAQI
6th Jul 2025481 AMAQI
6th Jul 2025492 AMAQI
6th Jul 2025493 AMAQI
6th Jul 2025464 AMAQI
6th Jul 2025505 AMAQI

27°C21/35°C

6th Jul 2025506 AMAQI
6th Jul 2025517 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025519 AMAQI
6th Jul 20254910 AMAQI
6th Jul 20255011 AMAQI
6th Jul 20254912 PMAQI
6th Jul 2025501 PMAQI
6th Jul 2025502 PMAQI
6th Jul 2025483 PMAQI
6th Jul 2025484 PMAQI
6th Jul 2025485 PMAQI
6th Jul 2025476 PMAQI
6th Jul 2025467 PMAQI
6th Jul 2025508 PMAQI
6th Jul 2025499 PMAQI
6th Jul 20254910 PMAQI
6th Jul 20254911 PMAQI
7th Jul 20255012 AMAQI
7th Jul 2025481 AMAQI
7th Jul 2025452 AMAQI
7th Jul 2025423 AMAQI
7th Jul 2025434 AMAQI
7th Jul 2025425 AMAQI

25°C19/33°C

7th Jul 2025426 AMAQI
7th Jul 2025387 AMAQI
7th Jul 2025408 AMAQI
7th Jul 2025439 AMAQI
7th Jul 20254110 AMAQI
7th Jul 20254211 AMAQI
7th Jul 20254112 PMAQI
7th Jul 2025401 PMAQI
7th Jul 2025422 PMAQI
7th Jul 2025403 PMAQI
7th Jul 2025404 PMAQI
7th Jul 2025405 PMAQI
7th Jul 2025406 PMAQI
7th Jul 2025407 PMAQI
7th Jul 2025418 PMAQI
7th Jul 2025419 PMAQI
7th Jul 20254010 PMAQI
7th Jul 20254011 PMAQI
8th Jul 20254012 AMAQI
8th Jul 2025401 AMAQI
8th Jul 2025372 AMAQI
8th Jul 2025373 AMAQI
8th Jul 2025354 AMAQI
8th Jul 2025355 AMAQI

26°C18/35°C

8th Jul 2025366 AMAQI
8th Jul 2025367 AMAQI
8th Jul 2025368 AMAQI
8th Jul 2025369 AMAQI
8th Jul 20253610 AMAQI
8th Jul 20253711 AMAQI
8th Jul 20253612 PMAQI
8th Jul 2025351 PMAQI
8th Jul 2025342 PMAQI
8th Jul 2025383 PMAQI
8th Jul 2025384 PMAQI
8th Jul 2025355 PMAQI
8th Jul 2025346 PMAQI
8th Jul 2025337 PMAQI
8th Jul 2025348 PMAQI
8th Jul 2025359 PMAQI
8th Jul 20253510 PMAQI
8th Jul 20253411 PMAQI
9th Jul 20253312 AMAQI
9th Jul 2025341 AMAQI
9th Jul 2025352 AMAQI
9th Jul 2025363 AMAQI
9th Jul 2025364 AMAQI
9th Jul 2025385 AMAQI

27°C19/36°C

9th Jul 2025386 AMAQI
9th Jul 2025367 AMAQI
9th Jul 2025378 AMAQI
9th Jul 2025389 AMAQI
9th Jul 20253810 AMAQI
9th Jul 20253811 AMAQI
9th Jul 20253612 PMAQI
9th Jul 2025361 PMAQI
9th Jul 2025382 PMAQI
9th Jul 2025363 PMAQI
9th Jul 2025364 PMAQI
9th Jul 2025355 PMAQI
9th Jul 2025376 PMAQI
9th Jul 2025377 PMAQI
9th Jul 2025378 PMAQI
9th Jul 2025389 PMAQI
9th Jul 20253810 PMAQI
9th Jul 20253711 PMAQI
10th Jul 20253712 AMAQI
10th Jul 2025361 AMAQI
10th Jul 2025372 AMAQI
10th Jul 2025383 AMAQI
10th Jul 2025384 AMAQI
10th Jul 2025385 AMAQI

25°C18/33°C

10th Jul 2025386 AMAQI
10th Jul 2025377 AMAQI
10th Jul 2025388 AMAQI
10th Jul 2025379 AMAQI
10th Jul 20253810 AMAQI
10th Jul 20253811 AMAQI
10th Jul 20253912 PMAQI
10th Jul 2025391 PMAQI
10th Jul 2025382 PMAQI
10th Jul 2025403 PMAQI
10th Jul 2025384 PMAQI
10th Jul 2025385 PMAQI
10th Jul 2025386 PMAQI
10th Jul 2025377 PMAQI
10th Jul 2025398 PMAQI
10th Jul 2025389 PMAQI
10th Jul 20253810 PMAQI
10th Jul 20253811 PMAQI
11th Jul 20253812 AMAQI
11th Jul 2025371 AMAQI
11th Jul 2025382 AMAQI
11th Jul 2025383 AMAQI
11th Jul 2025384 AMAQI
11th Jul 2025405 AMAQI

21°C16/27°C

11th Jul 2025396 AMAQI
11th Jul 2025397 AMAQI
11th Jul 2025368 AMAQI
11th Jul 2025369 AMAQI
11th Jul 20253610 AMAQI
11th Jul 20253711 AMAQI
11th Jul 20253812 PMAQI
11th Jul 2025381 PMAQI
11th Jul 2025362 PMAQI
11th Jul 2025363 PMAQI
11th Jul 2025364 PMAQI
11th Jul 2025375 PMAQI
11th Jul 2025366 PMAQI
11th Jul 2025377 PMAQI
11th Jul 2025378 PMAQI
11th Jul 2025389 PMAQI
11th Jul 20253710 PMAQI
11th Jul 20253611 PMAQI
12th Jul 20253712 AMAQI
12th Jul 2025351 AMAQI
12th Jul 2025352 AMAQI
12th Jul 2025363 AMAQI
12th Jul 2025354 AMAQI
12th Jul 2025375 AMAQI

19°C14/23°C

12th Jul 2025356 AMAQI
12th Jul 2025347 AMAQI
12th Jul 2025348 AMAQI
12th Jul 2025359 AMAQI
12th Jul 20253710 AMAQI
12th Jul 20253711 AMAQI
12th Jul 20253812 PMAQI
12th Jul 2025351 PMAQI
12th Jul 2025362 PMAQI
12th Jul 2025363 PMAQI
12th Jul 2025354 PMAQI
12th Jul 2025365 PMAQI
12th Jul 2025356 PMAQI
12th Jul 2025367 PMAQI
12th Jul 2025378 PMAQI
12th Jul 2025379 PMAQI
12th Jul 20253810 PMAQI
12th Jul 20253711 PMAQI
13th Jul 20253812 AMAQI
13th Jul 2025361 AMAQI
13th Jul 2025342 AMAQI
13th Jul 2025323 AMAQI
13th Jul 2025334 AMAQI
13th Jul 2025355 AMAQI

20°C15/26°C

13th Jul 2025366 AMAQI
13th Jul 2025327 AMAQI
13th Jul 2025328 AMAQI
13th Jul 2025339 AMAQI
13th Jul 20253210 AMAQI
13th Jul 20253211 AMAQI
13th Jul 20253112 PMAQI
13th Jul 2025331 PMAQI
13th Jul 2025312 PMAQI
13th Jul 2025323 PMAQI
13th Jul 2025314 PMAQI
13th Jul 2025325 PMAQI
13th Jul 2025326 PMAQI
13th Jul 2025327 PMAQI
13th Jul 2025338 PMAQI
13th Jul 2025339 PMAQI
13th Jul 20253410 PMAQI
13th Jul 20253311 PMAQI
14th Jul 20253312 AMAQI
14th Jul 2025331 AMAQI
14th Jul 2025302 AMAQI
14th Jul 2025313 AMAQI
14th Jul 2025284 AMAQI
14th Jul 2025315 AMAQI

20°C14/27°C

14th Jul 2025286 AMAQI
14th Jul 2025287 AMAQI
14th Jul 2025268 AMAQI
14th Jul 2025319 AMAQI
14th Jul 20253010 AMAQI
14th Jul 20253011 AMAQI
14th Jul 20253012 PMAQI
14th Jul 2025301 PMAQI
14th Jul 2025312 PMAQI
14th Jul 2025323 PMAQI
14th Jul 2025304 PMAQI
14th Jul 2025305 PMAQI
14th Jul 2025306 PMAQI
14th Jul 2025317 PMAQI
14th Jul 2025328 PMAQI
14th Jul 2025329 PMAQI
14th Jul 20253110 PMAQI
14th Jul 20253211 PMAQI
15th Jul 20253212 AMAQI
15th Jul 2025331 AMAQI
15th Jul 2025322 AMAQI
15th Jul 2025323 AMAQI
15th Jul 2025314 AMAQI
15th Jul 2025325 AMAQI

21°C15/29°C

15th Jul 2025346 AMAQI
15th Jul 2025347 AMAQI
15th Jul 2025368 AMAQI
15th Jul 2025339 AMAQI
15th Jul 20253310 AMAQI
15th Jul 20253511 AMAQI
15th Jul 20253412 PMAQI
15th Jul 2025341 PMAQI
15th Jul 2025362 PMAQI
15th Jul 2025363 PMAQI
15th Jul 2025354 PMAQI
15th Jul 2025365 PMAQI
15th Jul 2025356 PMAQI
15th Jul 2025367 PMAQI
15th Jul 2025378 PMAQI
15th Jul 2025369 PMAQI
15th Jul 20253710 PMAQI
15th Jul 20253611 PMAQI
16th Jul 20253512 AMAQI
16th Jul 2025341 AMAQI
16th Jul 2025362 AMAQI
16th Jul 2025363 AMAQI
16th Jul 2025364 AMAQI
16th Jul 2025375 AMAQI

25°C16/35°C

16th Jul 2025376 AMAQI
16th Jul 2025417 AMAQI
16th Jul 2025428 AMAQI
16th Jul 2025389 AMAQI
16th Jul 20253710 AMAQI
16th Jul 20253911 AMAQI
16th Jul 20253712 PMAQI
16th Jul 2025381 PMAQI
16th Jul 2025412 PMAQI
16th Jul 2025413 PMAQI
16th Jul 2025414 PMAQI
16th Jul 2025415 PMAQI
16th Jul 2025396 PMAQI
16th Jul 2025397 PMAQI
16th Jul 2025398 PMAQI
16th Jul 2025389 PMAQI
16th Jul 20253710 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20253812 AMAQI
17th Jul 2025401 AMAQI
17th Jul 2025382 AMAQI
17th Jul 2025403 AMAQI
17th Jul 2025414 AMAQI
17th Jul 2025405 AMAQI

25°C16/33°C

17th Jul 2025386 AMAQI
17th Jul 2025377 AMAQI
17th Jul 2025378 AMAQI
17th Jul 2025379 AMAQI
17th Jul 20253710 AMAQI
17th Jul 20253611 AMAQI
17th Jul 20253712 PMAQI
17th Jul 2025391 PMAQI
17th Jul 2025382 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025408 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254010 PMAQI
17th Jul 20253911 PMAQI
18th Jul 20253912 AMAQI
18th Jul 2025381 AMAQI
18th Jul 2025362 AMAQI
18th Jul 2025343 AMAQI
18th Jul 2025354 AMAQI
18th Jul 2025345 AMAQI

20°C15/28°C

18th Jul 2025346 AMAQI
18th Jul 2025347 AMAQI
18th Jul 2025338 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20253310 AMAQI
18th Jul 20253511 AMAQI
18th Jul 20253212 PMAQI
18th Jul 2025331 PMAQI
18th Jul 2025332 PMAQI
18th Jul 2025353 PMAQI
18th Jul 2025364 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025346 PMAQI
18th Jul 2025347 PMAQI
18th Jul 2025368 PMAQI
18th Jul 2025409 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20253411 PMAQI
19th Jul 20253512 AMAQI
19th Jul 2025341 AMAQI
19th Jul 2025342 AMAQI
19th Jul 2025313 AMAQI
19th Jul 2025314 AMAQI
19th Jul 2025335 AMAQI

19°C13/25°C

19th Jul 2025346 AMAQI
19th Jul 2025287 AMAQI
19th Jul 2025298 AMAQI
19th Jul 2025319 AMAQI
19th Jul 20253310 AMAQI
19th Jul 20253311 AMAQI
19th Jul 20253112 PMAQI
19th Jul 2025321 PMAQI
19th Jul 2025322 PMAQI
19th Jul 2025333 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025326 PMAQI
19th Jul 2025337 PMAQI
19th Jul 2025348 PMAQI
19th Jul 2025339 PMAQI
19th Jul 20253310 PMAQI
19th Jul 20253211 PMAQI
20th Jul 20253012 AMAQI
20th Jul 2025321 AMAQI
20th Jul 2025312 AMAQI
20th Jul 2025303 AMAQI
20th Jul 2025304 AMAQI
20th Jul 2025305 AMAQI

19°C15/24°C

20th Jul 2025306 AMAQI
20th Jul 2025307 AMAQI
20th Jul 2025308 AMAQI
20th Jul 2025299 AMAQI
20th Jul 20253010 AMAQI
20th Jul 20253011 AMAQI
20th Jul 20253012 PMAQI
20th Jul 2025291 PMAQI
20th Jul 2025302 PMAQI
20th Jul 2025323 PMAQI
20th Jul 2025324 PMAQI
20th Jul 2025305 PMAQI
20th Jul 2025306 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025309 PMAQI
20th Jul 20253010 PMAQI
20th Jul 20253011 PMAQI
21st Jul 20252912 AMAQI
21st Jul 2025281 AMAQI
21st Jul 2025282 AMAQI
21st Jul 2025293 AMAQI
21st Jul 2025324 AMAQI
21st Jul 2025325 AMAQI

19°C14/23°C

21st Jul 2025286 AMAQI
21st Jul 2025277 AMAQI
21st Jul 2025278 AMAQI
21st Jul 2025299 AMAQI
21st Jul 20252710 AMAQI
21st Jul 20252711 AMAQI
21st Jul 20252912 PMAQI
21st Jul 2025281 PMAQI
21st Jul 2025302 PMAQI
21st Jul 2025323 PMAQI
21st Jul 2025324 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025326 PMAQI
21st Jul 2025367 PMAQI
21st Jul 2025318 PMAQI
21st Jul 2025339 PMAQI
21st Jul 20253210 PMAQI
21st Jul 20252811 PMAQI
22nd Jul 20252812 AMAQI
22nd Jul 2025291 AMAQI
22nd Jul 2025282 AMAQI
22nd Jul 2025283 AMAQI
22nd Jul 2025274 AMAQI
22nd Jul 2025285 AMAQI

18°C12/26°C

22nd Jul 2025326 AMAQI
22nd Jul 2025277 AMAQI
22nd Jul 2025288 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20252710 AMAQI
22nd Jul 20252811 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025281 PMAQI
22nd Jul 2025292 PMAQI
22nd Jul 2025283 PMAQI
22nd Jul 2025284 PMAQI
22nd Jul 2025285 PMAQI
22nd Jul 2025286 PMAQI
22nd Jul 2025287 PMAQI
22nd Jul 2025308 PMAQI
22nd Jul 2025299 PMAQI
22nd Jul 20252810 PMAQI
22nd Jul 20252711 PMAQI
23rd Jul 20252612 AMAQI
23rd Jul 2025261 AMAQI
23rd Jul 2025262 AMAQI
23rd Jul 2025263 AMAQI
23rd Jul 2025264 AMAQI
23rd Jul 2025275 AMAQI

20°C13/27°C

23rd Jul 2025286 AMAQI
23rd Jul 2025287 AMAQI
23rd Jul 2025278 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20252710 AMAQI
23rd Jul 20252711 AMAQI
23rd Jul 20252812 PMAQI
23rd Jul 2025291 PMAQI
23rd Jul 2025282 PMAQI
23rd Jul 2025333 PMAQI
23rd Jul 2025354 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025316 PMAQI
23rd Jul 2025317 PMAQI
23rd Jul 2025308 PMAQI
23rd Jul 2025299 PMAQI
23rd Jul 20253110 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252612 AMAQI
24th Jul 2025271 AMAQI
24th Jul 2025292 AMAQI
24th Jul 2025283 AMAQI
24th Jul 2025284 AMAQI
24th Jul 2025295 AMAQI

21°C14/30°C

24th Jul 2025276 AMAQI
24th Jul 2025287 AMAQI
24th Jul 2025298 AMAQI
24th Jul 2025309 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20252711 AMAQI
24th Jul 20252812 PMAQI
24th Jul 2025281 PMAQI
24th Jul 2025292 PMAQI
24th Jul 2025283 PMAQI
24th Jul 2025284 PMAQI
24th Jul 2025305 PMAQI
24th Jul 2025346 PMAQI
24th Jul 2025327 PMAQI
24th Jul 2025328 PMAQI
24th Jul 2025349 PMAQI
24th Jul 20253310 PMAQI
24th Jul 20253011 PMAQI
25th Jul 20252612 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025282 AMAQI
25th Jul 2025293 AMAQI
25th Jul 2025284 AMAQI
25th Jul 2025285 AMAQI

23°C14/32°C

25th Jul 2025296 AMAQI
25th Jul 2025307 AMAQI
25th Jul 2025288 AMAQI
25th Jul 2025309 AMAQI
25th Jul 20252810 AMAQI
25th Jul 20253011 AMAQI
25th Jul 20253212 PMAQI
25th Jul 2025321 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025303 PMAQI
25th Jul 2025314 PMAQI
25th Jul 2025305 PMAQI
25th Jul 2025316 PMAQI
25th Jul 2025307 PMAQI
25th Jul 2025318 PMAQI
25th Jul 2025319 PMAQI
25th Jul 20253110 PMAQI
25th Jul 20253011 PMAQI
26th Jul 20252812 AMAQI
26th Jul 2025281 AMAQI
26th Jul 2025302 AMAQI
26th Jul 2025313 AMAQI
26th Jul 2025314 AMAQI
26th Jul 2025345 AMAQI

24°C16/33°C

26th Jul 2025326 AMAQI
26th Jul 2025337 AMAQI
26th Jul 2025318 AMAQI
26th Jul 2025329 AMAQI
26th Jul 20253010 AMAQI
26th Jul 20253111 AMAQI
26th Jul 20253212 PMAQI
26th Jul 2025341 PMAQI
26th Jul 2025322 PMAQI
26th Jul 2025303 PMAQI
26th Jul 2025314 PMAQI
26th Jul 2025315 PMAQI
26th Jul 2025326 PMAQI
26th Jul 2025357 PMAQI
26th Jul 2025338 PMAQI
26th Jul 2025329 PMAQI
26th Jul 20253110 PMAQI
26th Jul 20253111 PMAQI
27th Jul 20253012 AMAQI
27th Jul 2025311 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025323 AMAQI
27th Jul 2025354 AMAQI
27th Jul 2025355 AMAQI

26°C18/35°C

27th Jul 2025346 AMAQI
27th Jul 2025337 AMAQI
27th Jul 2025328 AMAQI
27th Jul 2025339 AMAQI
27th Jul 20253310 AMAQI
27th Jul 20253011 AMAQI
27th Jul 20253212 PMAQI
27th Jul 2025341 PMAQI
27th Jul 2025342 PMAQI
27th Jul 2025343 PMAQI
27th Jul 2025334 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025286 PMAQI
27th Jul 2025307 PMAQI
27th Jul 2025318 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253110 PMAQI
27th Jul 20253011 PMAQI
28th Jul 20253112 AMAQI
28th Jul 2025301 AMAQI
28th Jul 2025322 AMAQI
28th Jul 2025343 AMAQI
28th Jul 2025344 AMAQI
28th Jul 2025325 AMAQI

26°C19/34°C

28th Jul 2025306 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025328 AMAQI
28th Jul 2025339 AMAQI
28th Jul 20253110 AMAQI
28th Jul 20253211 AMAQI
28th Jul 20253112 PMAQI
28th Jul 2025331 PMAQI
28th Jul 2025332 PMAQI
28th Jul 2025323 PMAQI
28th Jul 2025334 PMAQI
28th Jul 2025345 PMAQI
28th Jul 2025326 PMAQI
28th Jul 2025347 PMAQI
28th Jul 2025348 PMAQI
28th Jul 2025339 PMAQI
28th Jul 20253310 PMAQI
28th Jul 20253211 PMAQI
29th Jul 20253112 AMAQI
29th Jul 2025321 AMAQI
29th Jul 2025382 AMAQI
29th Jul 2025423 AMAQI
29th Jul 2025354 AMAQI
29th Jul 2025325 AMAQI

27°C17/36°C

29th Jul 2025386 AMAQI
29th Jul 2025367 AMAQI
29th Jul 2025388 AMAQI
29th Jul 2025369 AMAQI
29th Jul 20253510 AMAQI
29th Jul 20253611 AMAQI
29th Jul 20253612 PMAQI
29th Jul 2025351 PMAQI
29th Jul 2025372 PMAQI
29th Jul 2025383 PMAQI
29th Jul 2025344 PMAQI
29th Jul 2025365 PMAQI
29th Jul 2025366 PMAQI
29th Jul 2025367 PMAQI
29th Jul 2025358 PMAQI
29th Jul 2025369 PMAQI
29th Jul 20253610 PMAQI
29th Jul 20253011 PMAQI
30th Jul 20253012 AMAQI
30th Jul 2025331 AMAQI
30th Jul 2025352 AMAQI
30th Jul 2025343 AMAQI
30th Jul 2025344 AMAQI
30th Jul 2025345 AMAQI

27°C18/35°C

30th Jul 2025376 AMAQI
30th Jul 2025367 AMAQI
30th Jul 2025348 AMAQI
30th Jul 2025349 AMAQI
30th Jul 20253310 AMAQI
30th Jul 20253611 AMAQI
30th Jul 20253412 PMAQI
30th Jul 2025361 PMAQI
30th Jul 2025352 PMAQI
30th Jul 2025363 PMAQI
30th Jul 2025374 PMAQI
30th Jul 2025375 PMAQI
30th Jul 2025366 PMAQI
30th Jul 2025377 PMAQI
30th Jul 2025338 PMAQI
30th Jul 2025329 PMAQI
30th Jul 20253210 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20253212 AMAQI
31st Jul 2025321 AMAQI
31st Jul 2025322 AMAQI
31st Jul 2025363 AMAQI
31st Jul 2025344 AMAQI
31st Jul 2025345 AMAQI

27°C19/36°C

31st Jul 2025366 AMAQI
31st Jul 2025387 AMAQI
31st Jul 2025388 AMAQI
31st Jul 2025369 AMAQI
31st Jul 20253810 AMAQI
31st Jul 20253611 AMAQI
31st Jul 20253512 PMAQI
31st Jul 2025391 PMAQI
31st Jul 2025492 PMAQI
31st Jul 2025463 PMAQI
31st Jul 2025444 PMAQI
31st Jul 2025445 PMAQI
31st Jul 2025456 PMAQI
31st Jul 2025467 PMAQI
31st Jul 2025398 PMAQI
31st Jul 2025359 PMAQI
31st Jul 20253310 PMAQI
31st Jul 20253211 PMAQI
1st Aug 20253212 AMAQI
1st Aug 2025391 AMAQI
1st Aug 2025382 AMAQI
1st Aug 2025443 AMAQI
1st Aug 2025414 AMAQI
1st Aug 2025375 AMAQI

28°C20/38°C

1st Aug 2025446 AMAQI
1st Aug 2025477 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025429 AMAQI
1st Aug 20254610 AMAQI
1st Aug 20254311 AMAQI
1st Aug 20254212 PMAQI
1st Aug 2025471 PMAQI
1st Aug 2025452 PMAQI
1st Aug 2025433 PMAQI
1st Aug 2025424 PMAQI
1st Aug 2025405 PMAQI
1st Aug 2025436 PMAQI
1st Aug 2025457 PMAQI
1st Aug 2025438 PMAQI
1st Aug 2025439 PMAQI
1st Aug 20254210 PMAQI
1st Aug 20254211 PMAQI
2nd Aug 20254012 AMAQI
2nd Aug 2025441 AMAQI
2nd Aug 2025422 AMAQI
2nd Aug 2025353 AMAQI
2nd Aug 2025464 AMAQI
2nd Aug 2025385 AMAQI

27°C20/35°C

2nd Aug 2025406 AMAQI
6 AM
2nd Aug 2025387 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025359 AMAQI
2nd Aug 20253910 AMAQI
2nd Aug 20253711 AMAQI
2nd Aug 20253812 PMAQI
2nd Aug 2025381 PMAQI
1 PM
2nd Aug 2025382 PMAQI
2nd Aug 2025393 PMAQI
2nd Aug 2025374 PMAQI
9 PM
1 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 9 PM

36AQI

16 hours / Day
480 hours / Month
Avg. Lowest Time
6 AM - 9 PM

36AQI

16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 9 PM (Avg. 36), while the lowest AQI was between 6 AM to 9 PM (Avg. 36).
Night time
Avg. Highest Time
12 AM - 11 PM

35AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM

35AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 35), while the lowest AQI was between 12 AM to 11 PM (Avg. 35).

2025 Days Vs Air Quality

Pacos De Ferreira, Porto, Portugal

2025

96%

205

4%

8

Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)

Good
205 Days
Moderate
8 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 96%

Health Risk Level:

Very Low

In 2025, 96% of 214 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 2025

AQI
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.

1st January 2025
45AQI
2nd January 2025
45AQI
3rd January 2025
46AQI
4th January 2025
41AQI
5th January 2025
35AQI
6th January 2025
32AQI
7th January 2025
29AQI
8th January 2025
26AQI
9th January 2025
25AQI
10th January 2025
24AQI
11th January 2025
24AQI
12th January 2025
22AQI
13th January 2025
34AQI
14th January 2025
40AQI
15th January 2025
60AQI
16th January 2025
75AQI
17th January 2025
46AQI
18th January 2025
47AQI
19th January 2025
61AQI
20th January 2025
42AQI
21st January 2025
33AQI
22nd January 2025
34AQI
23rd January 2025
31AQI
24th January 2025
33AQI
25th January 2025
31AQI
26th January 2025
28AQI
27th January 2025
29AQI
28th January 2025
31AQI
29th January 2025
31AQI
30th January 2025
32AQI
31st January 2025
34AQI
1st February 2025
32AQI
2nd February 2025
27AQI
3rd February 2025
31AQI
4th February 2025
37AQI
5th February 2025
39AQI
6th February 2025
43AQI
7th February 2025
39AQI
8th February 2025
36AQI
9th February 2025
34AQI
10th February 2025
32AQI
11th February 2025
34AQI
12th February 2025
33AQI
13th February 2025
27AQI
14th February 2025
27AQI
15th February 2025
29AQI
16th February 2025
30AQI
17th February 2025
31AQI
18th February 2025
39AQI
19th February 2025
38AQI
20th February 2025
41AQI
21st February 2025
37AQI
22nd February 2025
34AQI
23rd February 2025
35AQI
24th February 2025
35AQI
25th February 2025
41AQI
26th February 2025
37AQI
27th February 2025
41AQI
28th February 2025
38AQI
1st March 2025
35AQI
2nd March 2025
32AQI
3rd March 2025
31AQI
4th March 2025
35AQI
5th March 2025
34AQI
6th March 2025
34AQI
7th March 2025
31AQI
8th March 2025
29AQI
9th March 2025
29AQI
10th March 2025
27AQI
11th March 2025
28AQI
12th March 2025
28AQI
13th March 2025
27AQI
14th March 2025
25AQI
15th March 2025
26AQI
16th March 2025
26AQI
17th March 2025
26AQI
18th March 2025
28AQI
19th March 2025
27AQI
20th March 2025
26AQI
21st March 2025
23AQI
22nd March 2025
24AQI
23rd March 2025
25AQI
24th March 2025
24AQI
25th March 2025
26AQI
26th March 2025
30AQI
27th March 2025
33AQI
28th March 2025
36AQI
29th March 2025
37AQI
30th March 2025
34AQI
31st March 2025
33AQI
1st April 2025
36AQI
2nd April 2025
35AQI
3rd April 2025
30AQI
4th April 2025
29AQI
5th April 2025
24AQI
6th April 2025
24AQI
7th April 2025
24AQI
8th April 2025
26AQI
9th April 2025
27AQI
10th April 2025
35AQI
11th April 2025
44AQI
12th April 2025
42AQI
13th April 2025
37AQI
14th April 2025
28AQI
15th April 2025
19AQI
16th April 2025
17AQI
17th April 2025
17AQI
18th April 2025
19AQI
19th April 2025
18AQI
20th April 2025
18AQI
21st April 2025
20AQI
22nd April 2025
21AQI
23rd April 2025
22AQI
24th April 2025
24AQI
25th April 2025
25AQI
26th April 2025
23AQI
27th April 2025
21AQI
28th April 2025
20AQI
29th April 2025
23AQI
30th April 2025
26AQI
1st May 2025
31AQI
2nd May 2025
32AQI
3rd May 2025
38AQI
4th May 2025
30AQI
5th May 2025
33AQI
6th May 2025
29AQI
7th May 2025
31AQI
8th May 2025
39AQI
9th May 2025
40AQI
10th May 2025
39AQI
11th May 2025
34AQI
12th May 2025
30AQI
13th May 2025
30AQI
14th May 2025
28AQI
15th May 2025
27AQI
16th May 2025
31AQI
17th May 2025
33AQI
18th May 2025
35AQI
19th May 2025
32AQI
20th May 2025
36AQI
21st May 2025
35AQI
22nd May 2025
29AQI
23rd May 2025
31AQI
24th May 2025
30AQI
25th May 2025
27AQI
26th May 2025
22AQI
27th May 2025
24AQI
28th May 2025
28AQI
29th May 2025
38AQI
30th May 2025
44AQI
31st May 2025
44AQI
1st June 2025
38AQI
2nd June 2025
30AQI
3rd June 2025
28AQI
4th June 2025
25AQI
5th June 2025
24AQI
6th June 2025
22AQI
7th June 2025
23AQI
8th June 2025
37AQI
9th June 2025
49AQI
10th June 2025
55AQI
11th June 2025
50AQI
12th June 2025
39AQI
13th June 2025
36AQI
14th June 2025
35AQI
15th June 2025
30AQI
16th June 2025
30AQI
17th June 2025
40AQI
18th June 2025
50AQI
19th June 2025
54AQI
20th June 2025
51AQI
21st June 2025
47AQI
22nd June 2025
46AQI
23rd June 2025
50AQI
24th June 2025
54AQI
25th June 2025
51AQI
26th June 2025
41AQI
27th June 2025
36AQI
28th June 2025
36AQI
29th June 2025
40AQI
30th June 2025
42AQI
1st July 2025
43AQI
2nd July 2025
41AQI
3rd July 2025
40AQI
4th July 2025
43AQI
5th July 2025
48AQI
6th July 2025
49AQI
7th July 2025
42AQI
8th July 2025
36AQI
9th July 2025
37AQI
10th July 2025
38AQI
11th July 2025
37AQI
12th July 2025
36AQI
13th July 2025
33AQI
14th July 2025
31AQI
15th July 2025
34AQI
16th July 2025
38AQI
17th July 2025
39AQI
18th July 2025
35AQI
19th July 2025
32AQI
20th July 2025
30AQI
21st July 2025
30AQI
22nd July 2025
28AQI
23rd July 2025
29AQI
24th July 2025
29AQI
25th July 2025
30AQI
26th July 2025
31AQI
27th July 2025
32AQI
28th July 2025
32AQI
29th July 2025
35AQI
30th July 2025
34AQI
31st July 2025
38AQI
1st August 2025
42AQI

37AQI

35AQI

29AQI

26AQI

33AQI

40AQI

36AQI

42AQI

No. of days

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

202534AQI

28
3
28
31
30
31
25
5
31
1
205
8

Highest AQI recorded in

August

42AQI

Lowest AQI recorded in

April

26AQI

202434AQI

19
12
11
8
1
20
2
29
31
30
31
30
24
2
1
25
6
27
3
27
4
304
37
1
1

Highest AQI recorded in

February

50AQI

Lowest AQI recorded in

May

21AQI

202333AQI

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 recorded in

January

74AQI

Lowest AQI recorded in

September

17AQI

202225AQI

28
1
25
1
30
23
1
1
27
28
3
28
2
28
3
219
10

Highest AQI recorded in

December

33AQI

Lowest AQI recorded in

April

9AQI

202150AQI

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 recorded in

June

93AQI

Lowest AQI recorded in

November

13AQI

202041AQI

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 recorded in

August

56AQI

Lowest AQI recorded in

May

29AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
50AQI
Least Polluted Year Recorded
2022(Avg.)
25AQI

Pacos De Ferreira's annual 2025 AQI (34) shows an average percentage change of -2.4% (improved AQI) compared to previous years: 2020 (41), 2021 (50), 2022 (25), 2023 (33), 2024 (34).