Vila Nova De Gaia, 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+
September Air Quality Analysis
Vila Nova De Gaia, Porto, Portugal
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
17th Sep 2024
175AQILowest AQI recorded on
14th Sep 2021
9AQISame Day Analysis (18th September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 32 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Vila Nova De Gaia, Porto, Portugal
AQI
Day
Night
.
7 AM18th Sep 2025
8 PM
6 AM19th Sep 2025
Day time
Avg. Highest Time
12PM18th Sep
44AQI
Avg. Lowest Time
7AM18th Sep
27AQI
Night time
Avg. Highest Time
4AM19th Sep
55AQI
Avg. Lowest Time
11PM18th Sep
32AQI
In the last 24 hours,
Vila Nova De Gaia's AQI reached its highest point of 55 at 4 AM during the Night, while the lowest point, 27, was recorded at 7 AM during the Day between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Vila Nova De Gaia, Porto, Portugal
AugSep
20th - 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 - 17th17th - 18th18th - 19th19th
Day
Night
20th Aug 2025267 AMAQI
20th Aug 2025308 AMAQI
20th Aug 2025349 AMAQI
20th Aug 20253410 AMAQI
20th Aug 20253411 AMAQI
20th Aug 20253212 PMAQI
20th Aug 2025301 PMAQI
20th Aug 2025272 PMAQI
20th Aug 2025333 PMAQI
20th Aug 2025344 PMAQI
20th Aug 2025325 PMAQI
20th Aug 2025286 PMAQI
20th Aug 2025307 PMAQI
20th Aug 2025328 PMAQI
20th Aug 2025299 PMAQI
20th Aug 20252610 PMAQI
20th Aug 20252711 PMAQI
21st Aug 20252412 AMAQI
21st Aug 2025301 AMAQI
21st Aug 2025252 AMAQI
21st Aug 2025203 AMAQI
21st Aug 2025264 AMAQI
21st Aug 2025305 AMAQI
21st Aug 2025386 AMAQI
19°C16/22°C
21st Aug 2025257 AMAQI
21st Aug 2025298 AMAQI
21st Aug 2025369 AMAQI
21st Aug 20253810 AMAQI
21st Aug 20253411 AMAQI
21st Aug 20253212 PMAQI
21st Aug 2025341 PMAQI
21st Aug 2025302 PMAQI
21st Aug 2025323 PMAQI
21st Aug 2025304 PMAQI
21st Aug 2025255 PMAQI
21st Aug 2025226 PMAQI
21st Aug 2025327 PMAQI
21st Aug 2025268 PMAQI
21st Aug 2025239 PMAQI
21st Aug 20252710 PMAQI
21st Aug 20253311 PMAQI
22nd Aug 20252612 AMAQI
22nd Aug 2025301 AMAQI
22nd Aug 2025332 AMAQI
22nd Aug 2025243 AMAQI
22nd Aug 2025284 AMAQI
22nd Aug 2025225 AMAQI
22nd Aug 2025266 AMAQI
19°C15/23°C
22nd Aug 2025317 AMAQI
22nd Aug 2025288 AMAQI
22nd Aug 2025269 AMAQI
22nd Aug 20252510 AMAQI
22nd Aug 20252711 AMAQI
22nd Aug 20252412 PMAQI
22nd Aug 2025241 PMAQI
22nd Aug 2025262 PMAQI
22nd Aug 2025303 PMAQI
22nd Aug 2025344 PMAQI
22nd Aug 2025345 PMAQI
22nd Aug 2025326 PMAQI
22nd Aug 2025357 PMAQI
22nd Aug 2025308 PMAQI
22nd Aug 2025289 PMAQI
22nd Aug 20252610 PMAQI
22nd Aug 20252611 PMAQI
23rd Aug 20252612 AMAQI
23rd Aug 2025311 AMAQI
23rd Aug 2025382 AMAQI
23rd Aug 2025433 AMAQI
23rd Aug 2025404 AMAQI
23rd Aug 2025395 AMAQI
23rd Aug 2025426 AMAQI
21°C17/25°C
23rd Aug 2025437 AMAQI
23rd Aug 2025478 AMAQI
23rd Aug 2025479 AMAQI
23rd Aug 20254610 AMAQI
23rd Aug 20254511 AMAQI
23rd Aug 20254412 PMAQI
23rd Aug 2025431 PMAQI
23rd Aug 2025422 PMAQI
23rd Aug 2025433 PMAQI
23rd Aug 2025424 PMAQI
23rd Aug 2025465 PMAQI
23rd Aug 2025476 PMAQI
23rd Aug 2025447 PMAQI
23rd Aug 2025428 PMAQI
23rd Aug 2025429 PMAQI
23rd Aug 20254210 PMAQI
23rd Aug 20254111 PMAQI
24th Aug 20254212 AMAQI
24th Aug 2025421 AMAQI
24th Aug 2025402 AMAQI
24th Aug 2025503 AMAQI
24th Aug 2025544 AMAQI
24th Aug 2025545 AMAQI
24th Aug 2025506 AMAQI
21°C18/26°C
24th Aug 2025497 AMAQI
24th Aug 2025458 AMAQI
24th Aug 2025449 AMAQI
24th Aug 20254410 AMAQI
24th Aug 20253611 AMAQI
24th Aug 20254412 PMAQI
24th Aug 2025441 PMAQI
24th Aug 2025422 PMAQI
24th Aug 2025403 PMAQI
24th Aug 2025414 PMAQI
24th Aug 2025405 PMAQI
24th Aug 2025376 PMAQI
24th Aug 2025407 PMAQI
24th Aug 2025418 PMAQI
24th Aug 2025449 PMAQI
24th Aug 20254310 PMAQI
24th Aug 20254111 PMAQI
25th Aug 20254412 AMAQI
25th Aug 2025421 AMAQI
25th Aug 2025382 AMAQI
25th Aug 2025363 AMAQI
25th Aug 2025274 AMAQI
25th Aug 2025325 AMAQI
25th Aug 2025286 AMAQI
19°C17/23°C
25th Aug 2025337 AMAQI
25th Aug 2025328 AMAQI
25th Aug 2025329 AMAQI
25th Aug 20252810 AMAQI
25th Aug 20253211 AMAQI
25th Aug 20253412 PMAQI
25th Aug 2025331 PMAQI
25th Aug 2025362 PMAQI
25th Aug 2025403 PMAQI
25th Aug 2025394 PMAQI
25th Aug 2025385 PMAQI
25th Aug 2025336 PMAQI
25th Aug 2025347 PMAQI
25th Aug 2025348 PMAQI
25th Aug 2025349 PMAQI
25th Aug 20253410 PMAQI
25th Aug 20253611 PMAQI
26th Aug 20253612 AMAQI
26th Aug 2025311 AMAQI
26th Aug 2025352 AMAQI
26th Aug 2025323 AMAQI
26th Aug 2025344 AMAQI
26th Aug 2025405 AMAQI
26th Aug 2025366 AMAQI
20°C17/24°C
26th Aug 2025367 AMAQI
26th Aug 2025388 AMAQI
26th Aug 2025559 AMAQI
26th Aug 20255410 AMAQI
26th Aug 20254911 AMAQI
26th Aug 20254812 PMAQI
26th Aug 2025311 PMAQI
26th Aug 2025352 PMAQI
26th Aug 2025343 PMAQI
26th Aug 2025394 PMAQI
26th Aug 2025405 PMAQI
26th Aug 2025366 PMAQI
26th Aug 2025457 PMAQI
26th Aug 2025438 PMAQI
26th Aug 2025389 PMAQI
26th Aug 20254010 PMAQI
26th Aug 20253911 PMAQI
27th Aug 20253712 AMAQI
27th Aug 2025441 AMAQI
27th Aug 2025442 AMAQI
27th Aug 2025503 AMAQI
27th Aug 2025424 AMAQI
27th Aug 2025405 AMAQI
27th Aug 2025266 AMAQI
19°C16/22°C
27th Aug 2025267 AMAQI
27th Aug 2025298 AMAQI
27th Aug 2025219 AMAQI
27th Aug 20252010 AMAQI
27th Aug 20252411 AMAQI
27th Aug 20252812 PMAQI
27th Aug 2025381 PMAQI
27th Aug 2025352 PMAQI
27th Aug 2025353 PMAQI
27th Aug 2025394 PMAQI
27th Aug 2025385 PMAQI
27th Aug 2025336 PMAQI
27th Aug 2025307 PMAQI
27th Aug 2025288 PMAQI
27th Aug 2025299 PMAQI
27th Aug 20253110 PMAQI
27th Aug 20253211 PMAQI
28th Aug 20253212 AMAQI
28th Aug 2025381 AMAQI
28th Aug 2025312 AMAQI
28th Aug 2025213 AMAQI
28th Aug 2025224 AMAQI
28th Aug 2025225 AMAQI
28th Aug 2025246 AMAQI
18°C15/21°C
28th Aug 2025257 AMAQI
28th Aug 2025258 AMAQI
28th Aug 2025279 AMAQI
28th Aug 20252710 AMAQI
28th Aug 20252711 AMAQI
28th Aug 20252712 PMAQI
28th Aug 2025311 PMAQI
28th Aug 2025302 PMAQI
28th Aug 2025283 PMAQI
28th Aug 2025354 PMAQI
28th Aug 2025285 PMAQI
28th Aug 2025326 PMAQI
28th Aug 2025267 PMAQI
28th Aug 2025258 PMAQI
28th Aug 2025289 PMAQI
28th Aug 20252810 PMAQI
28th Aug 20252711 PMAQI
29th Aug 20253012 AMAQI
29th Aug 2025271 AMAQI
29th Aug 2025262 AMAQI
29th Aug 2025253 AMAQI
29th Aug 2025254 AMAQI
29th Aug 2025245 AMAQI
29th Aug 2025246 AMAQI
18°C15/21°C
29th Aug 2025247 AMAQI
29th Aug 2025258 AMAQI
29th Aug 2025259 AMAQI
29th Aug 20252210 AMAQI
29th Aug 20252211 AMAQI
29th Aug 20252612 PMAQI
29th Aug 2025281 PMAQI
29th Aug 2025282 PMAQI
29th Aug 2025313 PMAQI
29th Aug 2025304 PMAQI
29th Aug 2025335 PMAQI
29th Aug 2025306 PMAQI
29th Aug 2025337 PMAQI
29th Aug 2025328 PMAQI
29th Aug 2025319 PMAQI
29th Aug 20253010 PMAQI
29th Aug 20252711 PMAQI
30th Aug 20252712 AMAQI
30th Aug 2025271 AMAQI
30th Aug 2025262 AMAQI
30th Aug 2025263 AMAQI
30th Aug 2025244 AMAQI
30th Aug 2025235 AMAQI
30th Aug 2025246 AMAQI
19°C17/22°C
30th Aug 2025247 AMAQI
30th Aug 2025248 AMAQI
30th Aug 2025249 AMAQI
30th Aug 20252210 AMAQI
30th Aug 20252211 AMAQI
30th Aug 20252412 PMAQI
30th Aug 2025241 PMAQI
30th Aug 2025222 PMAQI
30th Aug 2025223 PMAQI
30th Aug 2025244 PMAQI
30th Aug 2025245 PMAQI
30th Aug 2025256 PMAQI
30th Aug 2025257 PMAQI
30th Aug 2025278 PMAQI
30th Aug 2025269 PMAQI
30th Aug 20252810 PMAQI
30th Aug 20252811 PMAQI
31st Aug 20252512 AMAQI
31st Aug 2025221 AMAQI
31st Aug 2025212 AMAQI
31st Aug 2025243 AMAQI
31st Aug 2025264 AMAQI
31st Aug 2025245 AMAQI
31st Aug 2025266 AMAQI
20°C18/22°C
31st Aug 2025227 AMAQI
31st Aug 2025228 AMAQI
31st Aug 2025249 AMAQI
31st Aug 20252510 AMAQI
31st Aug 20252211 AMAQI
31st Aug 20252212 PMAQI
31st Aug 2025231 PMAQI
31st Aug 2025222 PMAQI
31st Aug 2025243 PMAQI
31st Aug 2025234 PMAQI
31st Aug 2025205 PMAQI
31st Aug 2025216 PMAQI
31st Aug 2025227 PMAQI
31st Aug 2025248 PMAQI
31st Aug 2025249 PMAQI
31st Aug 20252410 PMAQI
31st Aug 20252411 PMAQI
1st Sep 20252412 AMAQI
1st Sep 2025221 AMAQI
1st Sep 2025202 AMAQI
1st Sep 2025203 AMAQI
1st Sep 2025204 AMAQI
1st Sep 2025215 AMAQI
1st Sep 2025236 AMAQI
18°C16/20°C
1st Sep 2025247 AMAQI
1st Sep 2025238 AMAQI
1st Sep 2025249 AMAQI
1st Sep 20252810 AMAQI
1st Sep 20252611 AMAQI
1st Sep 20252712 PMAQI
1st Sep 2025231 PMAQI
1st Sep 2025272 PMAQI
1st Sep 2025253 PMAQI
1st Sep 2025264 PMAQI
1st Sep 2025265 PMAQI
1st Sep 2025266 PMAQI
1st Sep 2025257 PMAQI
1st Sep 2025268 PMAQI
1st Sep 2025239 PMAQI
1st Sep 20252410 PMAQI
1st Sep 20252511 PMAQI
2nd Sep 20252612 AMAQI
2nd Sep 2025291 AMAQI
2nd Sep 2025302 AMAQI
2nd Sep 2025283 AMAQI
2nd Sep 2025274 AMAQI
2nd Sep 2025245 AMAQI
2nd Sep 2025226 AMAQI
17°C15/20°C
2nd Sep 2025227 AMAQI
2nd Sep 2025208 AMAQI
2nd Sep 2025219 AMAQI
2nd Sep 20252610 AMAQI
2nd Sep 20253211 AMAQI
2nd Sep 20253412 PMAQI
2nd Sep 2025351 PMAQI
2nd Sep 2025312 PMAQI
2nd Sep 2025273 PMAQI
2nd Sep 2025264 PMAQI
2nd Sep 2025265 PMAQI
2nd Sep 2025276 PMAQI
2nd Sep 2025267 PMAQI
2nd Sep 2025268 PMAQI
2nd Sep 2025259 PMAQI
2nd Sep 20252610 PMAQI
2nd Sep 20252511 PMAQI
3rd Sep 20252512 AMAQI
3rd Sep 2025281 AMAQI
3rd Sep 2025252 AMAQI
3rd Sep 2025233 AMAQI
3rd Sep 2025244 AMAQI
3rd Sep 2025235 AMAQI
3rd Sep 2025256 AMAQI
18°C16/21°C
3rd Sep 2025247 AMAQI
3rd Sep 2025288 AMAQI
3rd Sep 2025269 AMAQI
3rd Sep 20252910 AMAQI
3rd Sep 20252911 AMAQI
3rd Sep 20253112 PMAQI
3rd Sep 2025321 PMAQI
3rd Sep 2025332 PMAQI
3rd Sep 2025323 PMAQI
3rd Sep 2025354 PMAQI
3rd Sep 2025365 PMAQI
3rd Sep 2025326 PMAQI
3rd Sep 2025317 PMAQI
3rd Sep 2025298 PMAQI
3rd Sep 2025329 PMAQI
3rd Sep 20253310 PMAQI
3rd Sep 20253111 PMAQI
4th Sep 20253212 AMAQI
4th Sep 2025321 AMAQI
4th Sep 2025302 AMAQI
4th Sep 2025283 AMAQI
4th Sep 2025274 AMAQI
4th Sep 2025255 AMAQI
4th Sep 2025266 AMAQI
18°C17/20°C
4th Sep 2025237 AMAQI
4th Sep 2025248 AMAQI
4th Sep 2025219 AMAQI
4th Sep 20253110 AMAQI
4th Sep 20253211 AMAQI
4th Sep 20252012 PMAQI
4th Sep 2025211 PMAQI
4th Sep 2025212 PMAQI
4th Sep 2025213 PMAQI
4th Sep 2025204 PMAQI
4th Sep 2025225 PMAQI
4th Sep 2025276 PMAQI
4th Sep 2025287 PMAQI
4th Sep 2025278 PMAQI
4th Sep 2025309 PMAQI
4th Sep 20252710 PMAQI
4th Sep 20252811 PMAQI
5th Sep 20252812 AMAQI
5th Sep 2025301 AMAQI
5th Sep 2025282 AMAQI
5th Sep 2025263 AMAQI
5th Sep 2025244 AMAQI
5th Sep 2025265 AMAQI
5th Sep 2025386 AMAQI
19°C17/22°C
5th Sep 2025277 AMAQI
5th Sep 2025328 AMAQI
5th Sep 2025279 AMAQI
5th Sep 20254010 AMAQI
5th Sep 20253911 AMAQI
5th Sep 20253412 PMAQI
5th Sep 2025381 PMAQI
5th Sep 2025382 PMAQI
5th Sep 2025403 PMAQI
5th Sep 2025444 PMAQI
5th Sep 2025355 PMAQI
5th Sep 2025416 PMAQI
5th Sep 2025437 PMAQI
5th Sep 2025398 PMAQI
5th Sep 2025369 PMAQI
5th Sep 20253310 PMAQI
5th Sep 20253211 PMAQI
6th Sep 20253112 AMAQI
6th Sep 2025381 AMAQI
6th Sep 2025502 AMAQI
6th Sep 2025473 AMAQI
6th Sep 2025444 AMAQI
6th Sep 2025465 AMAQI
6th Sep 2025476 AMAQI
19°C15/23°C
6th Sep 2025487 AMAQI
6th Sep 2025448 AMAQI
6th Sep 2025519 AMAQI
6th Sep 20254010 AMAQI
6th Sep 20253911 AMAQI
6th Sep 20254012 PMAQI
6th Sep 2025421 PMAQI
6th Sep 2025422 PMAQI
6th Sep 2025443 PMAQI
6th Sep 2025404 PMAQI
6th Sep 2025445 PMAQI
6th Sep 2025436 PMAQI
6th Sep 2025387 PMAQI
6th Sep 2025398 PMAQI
6th Sep 2025429 PMAQI
6th Sep 20254110 PMAQI
6th Sep 20254011 PMAQI
7th Sep 20253612 AMAQI
7th Sep 2025381 AMAQI
7th Sep 2025362 AMAQI
7th Sep 2025433 AMAQI
7th Sep 2025404 AMAQI
7th Sep 2025365 AMAQI
7th Sep 2025456 AMAQI
19°C16/22°C
7th Sep 2025467 AMAQI
7th Sep 2025428 AMAQI
7th Sep 2025449 AMAQI
7th Sep 20253210 AMAQI
7th Sep 20253811 AMAQI
7th Sep 20253712 PMAQI
7th Sep 2025421 PMAQI
7th Sep 2025332 PMAQI
7th Sep 2025333 PMAQI
7th Sep 2025344 PMAQI
7th Sep 2025345 PMAQI
7th Sep 2025326 PMAQI
7th Sep 2025367 PMAQI
7th Sep 2025358 PMAQI
7th Sep 2025359 PMAQI
7th Sep 20253510 PMAQI
7th Sep 20253511 PMAQI
8th Sep 20253712 AMAQI
8th Sep 2025411 AMAQI
8th Sep 2025332 AMAQI
8th Sep 2025293 AMAQI
8th Sep 2025334 AMAQI
8th Sep 2025335 AMAQI
8th Sep 2025326 AMAQI
18°C16/21°C
8th Sep 2025317 AMAQI
8th Sep 2025418 AMAQI
8th Sep 2025309 AMAQI
8th Sep 20252610 AMAQI
8th Sep 20252811 AMAQI
8th Sep 20252712 PMAQI
8th Sep 2025321 PMAQI
8th Sep 2025352 PMAQI
8th Sep 2025323 PMAQI
8th Sep 2025294 PMAQI
8th Sep 2025265 PMAQI
8th Sep 2025266 PMAQI
8th Sep 2025297 PMAQI
8th Sep 2025308 PMAQI
8th Sep 2025289 PMAQI
8th Sep 20252910 PMAQI
8th Sep 20252611 PMAQI
9th Sep 20252812 AMAQI
9th Sep 2025271 AMAQI
9th Sep 2025232 AMAQI
9th Sep 2025243 AMAQI
9th Sep 2025264 AMAQI
9th Sep 2025275 AMAQI
9th Sep 2025266 AMAQI
17°C14/21°C
9th Sep 2025257 AMAQI
9th Sep 2025268 AMAQI
9th Sep 2025289 AMAQI
9th Sep 20252410 AMAQI
9th Sep 20252911 AMAQI
9th Sep 20252712 PMAQI
9th Sep 2025261 PMAQI
9th Sep 2025282 PMAQI
9th Sep 2025263 PMAQI
9th Sep 2025254 PMAQI
9th Sep 2025245 PMAQI
9th Sep 2025246 PMAQI
9th Sep 2025257 PMAQI
9th Sep 2025248 PMAQI
9th Sep 2025239 PMAQI
9th Sep 20252210 PMAQI
9th Sep 20252211 PMAQI
10th Sep 20252112 AMAQI
10th Sep 2025251 AMAQI
10th Sep 2025232 AMAQI
10th Sep 2025213 AMAQI
10th Sep 2025194 AMAQI
10th Sep 2025205 AMAQI
10th Sep 2025206 AMAQI
17°C13/20°C
10th Sep 2025217 AMAQI
10th Sep 2025208 AMAQI
10th Sep 2025209 AMAQI
10th Sep 20251810 AMAQI
10th Sep 20252111 AMAQI
10th Sep 20252112 PMAQI
10th Sep 2025221 PMAQI
10th Sep 2025232 PMAQI
10th Sep 2025223 PMAQI
10th Sep 2025244 PMAQI
10th Sep 2025245 PMAQI
10th Sep 2025246 PMAQI
10th Sep 2025267 PMAQI
10th Sep 2025238 PMAQI
10th Sep 2025239 PMAQI
10th Sep 20252410 PMAQI
10th Sep 20252411 PMAQI
11th Sep 20252412 AMAQI
11th Sep 2025271 AMAQI
11th Sep 2025302 AMAQI
11th Sep 2025263 AMAQI
11th Sep 2025324 AMAQI
11th Sep 2025275 AMAQI
11th Sep 2025256 AMAQI
18°C17/20°C
11th Sep 2025267 AMAQI
11th Sep 2025248 AMAQI
11th Sep 2025239 AMAQI
11th Sep 20252610 AMAQI
11th Sep 20252611 AMAQI
11th Sep 20252512 PMAQI
11th Sep 2025291 PMAQI
11th Sep 2025272 PMAQI
11th Sep 2025273 PMAQI
11th Sep 2025254 PMAQI
11th Sep 2025235 PMAQI
11th Sep 2025256 PMAQI
11th Sep 2025267 PMAQI
11th Sep 2025268 PMAQI
11th Sep 2025279 PMAQI
11th Sep 20252710 PMAQI
11th Sep 20252611 PMAQI
12th Sep 20252712 AMAQI
12th Sep 2025301 AMAQI
12th Sep 2025302 AMAQI
12th Sep 2025333 AMAQI
12th Sep 2025304 AMAQI
12th Sep 2025325 AMAQI
12th Sep 2025326 AMAQI
19°C16/22°C
12th Sep 2025287 AMAQI
12th Sep 2025338 AMAQI
12th Sep 2025329 AMAQI
12th Sep 20253210 AMAQI
12th Sep 20253211 AMAQI
12th Sep 20253212 PMAQI
12th Sep 2025321 PMAQI
12th Sep 2025332 PMAQI
12th Sep 2025283 PMAQI
12th Sep 2025314 PMAQI
12th Sep 2025325 PMAQI
12th Sep 2025326 PMAQI
12th Sep 2025297 PMAQI
12th Sep 2025328 PMAQI
12th Sep 2025319 PMAQI
12th Sep 20253110 PMAQI
12th Sep 20253011 PMAQI
13th Sep 20253212 AMAQI
13th Sep 2025321 AMAQI
13th Sep 2025322 AMAQI
13th Sep 2025293 AMAQI
13th Sep 2025264 AMAQI
13th Sep 2025285 AMAQI
13th Sep 2025286 AMAQI
19°C16/22°C
13th Sep 2025297 AMAQI
13th Sep 2025278 AMAQI
13th Sep 2025329 AMAQI
13th Sep 20253710 AMAQI
13th Sep 20254011 AMAQI
13th Sep 20253912 PMAQI
13th Sep 2025441 PMAQI
13th Sep 2025402 PMAQI
13th Sep 2025363 PMAQI
13th Sep 2025334 PMAQI
13th Sep 2025305 PMAQI
13th Sep 2025326 PMAQI
13th Sep 2025287 PMAQI
13th Sep 2025278 PMAQI
13th Sep 2025279 PMAQI
13th Sep 20252710 PMAQI
13th Sep 20252811 PMAQI
14th Sep 20252612 AMAQI
14th Sep 2025301 AMAQI
14th Sep 2025282 AMAQI
14th Sep 2025243 AMAQI
14th Sep 2025244 AMAQI
14th Sep 2025305 AMAQI
14th Sep 2025296 AMAQI
18°C15/21°C
14th Sep 2025277 AMAQI
14th Sep 2025328 AMAQI
14th Sep 2025309 AMAQI
14th Sep 20253110 AMAQI
14th Sep 20252411 AMAQI
14th Sep 20252912 PMAQI
14th Sep 2025321 PMAQI
14th Sep 2025302 PMAQI
14th Sep 2025283 PMAQI
14th Sep 2025244 PMAQI
14th Sep 2025305 PMAQI
14th Sep 2025316 PMAQI
14th Sep 2025277 PMAQI
14th Sep 2025278 PMAQI
14th Sep 2025289 PMAQI
14th Sep 20252810 PMAQI
14th Sep 20252811 PMAQI
15th Sep 20252812 AMAQI
15th Sep 2025281 AMAQI
15th Sep 2025312 AMAQI
15th Sep 2025243 AMAQI
15th Sep 2025244 AMAQI
15th Sep 2025255 AMAQI
15th Sep 2025276 AMAQI
20°C19/23°C
15th Sep 2025237 AMAQI
15th Sep 2025208 AMAQI
15th Sep 2025269 AMAQI
15th Sep 20252010 AMAQI
15th Sep 20253611 AMAQI
15th Sep 20251912 PMAQI
15th Sep 2025241 PMAQI
15th Sep 2025282 PMAQI
15th Sep 2025273 PMAQI
15th Sep 2025244 PMAQI
15th Sep 2025225 PMAQI
15th Sep 2025246 PMAQI
15th Sep 2025247 PMAQI
15th Sep 2025238 PMAQI
15th Sep 2025259 PMAQI
15th Sep 20252310 PMAQI
15th Sep 20252411 PMAQI
16th Sep 20252512 AMAQI
16th Sep 2025271 AMAQI
16th Sep 2025292 AMAQI
16th Sep 2025403 AMAQI
16th Sep 2025284 AMAQI
16th Sep 2025235 AMAQI
16th Sep 2025286 AMAQI
19°C17/22°C
16th Sep 2025287 AMAQI
16th Sep 2025288 AMAQI
16th Sep 2025299 AMAQI
16th Sep 20252910 AMAQI
16th Sep 20252811 AMAQI
16th Sep 20253112 PMAQI
16th Sep 2025321 PMAQI
16th Sep 2025442 PMAQI
16th Sep 2025363 PMAQI
16th Sep 2025424 PMAQI
16th Sep 2025325 PMAQI
16th Sep 2025326 PMAQI
16th Sep 2025337 PMAQI
16th Sep 2025328 PMAQI
16th Sep 2025329 PMAQI
16th Sep 20252910 PMAQI
16th Sep 20253011 PMAQI
17th Sep 20253012 AMAQI
17th Sep 2025321 AMAQI
17th Sep 2025322 AMAQI
17th Sep 2025323 AMAQI
17th Sep 2025354 AMAQI
17th Sep 2025305 AMAQI
17th Sep 2025246 AMAQI
20°C16/25°C
17th Sep 2025307 AMAQI
17th Sep 2025258 AMAQI
17th Sep 2025269 AMAQI
17th Sep 20253410 AMAQI
17th Sep 20253111 AMAQI
17th Sep 20252912 PMAQI
17th Sep 2025301 PMAQI
17th Sep 2025322 PMAQI
17th Sep 2025323 PMAQI
17th Sep 2025344 PMAQI
17th Sep 2025345 PMAQI
17th Sep 2025376 PMAQI
17th Sep 2025377 PMAQI
17th Sep 2025348 PMAQI
17th Sep 2025309 PMAQI
17th Sep 20253110 PMAQI
17th Sep 20253011 PMAQI
18th Sep 20253012 AMAQI
18th Sep 2025301 AMAQI
18th Sep 2025302 AMAQI
18th Sep 2025323 AMAQI
18th Sep 2025284 AMAQI
18th Sep 2025285 AMAQI
18th Sep 2025286 AMAQI
20°C17/24°C
18th Sep 2025277 AMAQI
18th Sep 2025298 AMAQI
18th Sep 2025299 AMAQI
18th Sep 20253810 AMAQI
18th Sep 20253611 AMAQI
18th Sep 20254412 PMAQI
18th Sep 2025401 PMAQI
18th Sep 2025352 PMAQI
18th Sep 2025323 PMAQI
18th Sep 2025314 PMAQI
18th Sep 2025325 PMAQI
18th Sep 2025336 PMAQI
18th Sep 2025337 PMAQI
18th Sep 2025348 PMAQI
18th Sep 2025339 PMAQI
18th Sep 20253210 PMAQI
18th Sep 20253211 PMAQI
19th Sep 20253312 AMAQI
19th Sep 2025411 AMAQI
19th Sep 2025442 AMAQI
19th Sep 2025413 AMAQI
19th Sep 2025554 AMAQI
19th Sep 2025525 AMAQI
19th Sep 2025556 AMAQI
21°C18/25°C
19th Sep 2025547 AMAQI
7 AM19th Sep 2025528 AMAQI
19th Sep 2025539 AMAQI
19th Sep 20255310 AMAQI
19th Sep 20255411 AMAQI
19th Sep 20256012 PMAQI
19th Sep 2025521 PMAQI
1 PM19th Sep 2025512 PMAQI
19th Sep 2025543 PMAQI
19th Sep 2025544 PMAQI
19th Sep 2025565 PMAQI
19th Sep 2025566 PMAQI
19th Sep 2025567 PMAQI
19th Sep 2025568 PMAQI
8 PM1 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
1 PM
33AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
7 AM - 8 AM
30AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 1 PM (Avg. 33), while the lowest AQI was between 7 AM to 8 AM (Avg. 30).
Night time
Avg. Highest Time
1 AM
32AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM
30AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 1 AM (Avg. 32), while the lowest AQI was between 12 AM to 12 AM (Avg. 30).
2025 Days Vs Air Quality
Vila Nova De Gaia, Porto, Portugal
2025
92%
239
8%
22
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Good
239 DaysModerate
22 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 262 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
Vila Nova De Gaia, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
45AQI
45AQI
2nd January 2025
39AQI
39AQI
3rd January 2025
42AQI
42AQI
4th January 2025
32AQI
32AQI
5th January 2025
28AQI
28AQI
6th January 2025
28AQI
28AQI
7th January 2025
32AQI
32AQI
8th January 2025
28AQI
28AQI
9th January 2025
29AQI
29AQI
10th January 2025
23AQI
23AQI
11th January 2025
27AQI
27AQI
12th January 2025
32AQI
32AQI
13th January 2025
43AQI
43AQI
14th January 2025
36AQI
36AQI
15th January 2025
58AQI
58AQI
16th January 2025
81AQI
81AQI
17th January 2025
52AQI
52AQI
18th January 2025
54AQI
54AQI
19th January 2025
55AQI
55AQI
20th January 2025
39AQI
39AQI
21st January 2025
32AQI
32AQI
22nd January 2025
31AQI
31AQI
23rd January 2025
42AQI
42AQI
24th January 2025
34AQI
34AQI
25th January 2025
30AQI
30AQI
26th January 2025
28AQI
28AQI
27th January 2025
29AQI
29AQI
28th January 2025
31AQI
31AQI
29th January 2025
30AQI
30AQI
30th January 2025
33AQI
33AQI
31st January 2025
34AQI
34AQI
1st February 2025
36AQI
36AQI
2nd February 2025
31AQI
31AQI
3rd February 2025
38AQI
38AQI
4th February 2025
44AQI
44AQI
5th February 2025
50AQI
50AQI
6th February 2025
60AQI
60AQI
7th February 2025
50AQI
50AQI
8th February 2025
45AQI
45AQI
9th February 2025
40AQI
40AQI
10th February 2025
38AQI
38AQI
11th February 2025
39AQI
39AQI
12th February 2025
35AQI
35AQI
13th February 2025
29AQI
29AQI
14th February 2025
31AQI
31AQI
15th February 2025
35AQI
35AQI
16th February 2025
46AQI
46AQI
17th February 2025
40AQI
40AQI
18th February 2025
49AQI
49AQI
19th February 2025
56AQI
56AQI
20th February 2025
46AQI
46AQI
21st February 2025
37AQI
37AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
43AQI
43AQI
24th February 2025
35AQI
35AQI
25th February 2025
37AQI
37AQI
26th February 2025
39AQI
39AQI
27th February 2025
47AQI
47AQI
28th February 2025
36AQI
36AQI
1st March 2025
40AQI
40AQI
2nd March 2025
30AQI
30AQI
3rd March 2025
31AQI
31AQI
4th March 2025
36AQI
36AQI
5th March 2025
33AQI
33AQI
6th March 2025
34AQI
34AQI
7th March 2025
31AQI
31AQI
8th March 2025
30AQI
30AQI
9th March 2025
29AQI
29AQI
10th March 2025
25AQI
25AQI
11th March 2025
26AQI
26AQI
12th March 2025
32AQI
32AQI
13th March 2025
40AQI
40AQI
14th March 2025
28AQI
28AQI
15th March 2025
37AQI
37AQI
16th March 2025
32AQI
32AQI
17th March 2025
30AQI
30AQI
18th March 2025
30AQI
30AQI
19th March 2025
21AQI
21AQI
20th March 2025
21AQI
21AQI
21st March 2025
17AQI
17AQI
22nd March 2025
18AQI
18AQI
23rd March 2025
20AQI
20AQI
24th March 2025
23AQI
23AQI
25th March 2025
31AQI
31AQI
26th March 2025
35AQI
35AQI
27th March 2025
38AQI
38AQI
28th March 2025
45AQI
45AQI
29th March 2025
42AQI
42AQI
30th March 2025
32AQI
32AQI
31st March 2025
31AQI
31AQI
1st April 2025
41AQI
41AQI
2nd April 2025
35AQI
35AQI
3rd April 2025
25AQI
25AQI
4th April 2025
24AQI
24AQI
5th April 2025
18AQI
18AQI
6th April 2025
24AQI
24AQI
7th April 2025
21AQI
21AQI
8th April 2025
26AQI
26AQI
9th April 2025
36AQI
36AQI
10th April 2025
44AQI
44AQI
11th April 2025
48AQI
48AQI
12th April 2025
41AQI
41AQI
13th April 2025
29AQI
29AQI
14th April 2025
22AQI
22AQI
15th April 2025
19AQI
19AQI
16th April 2025
19AQI
19AQI
17th April 2025
21AQI
21AQI
18th April 2025
18AQI
18AQI
19th April 2025
18AQI
18AQI
20th April 2025
17AQI
17AQI
21st April 2025
16AQI
16AQI
22nd April 2025
21AQI
21AQI
23rd April 2025
25AQI
25AQI
24th April 2025
35AQI
35AQI
25th April 2025
25AQI
25AQI
26th April 2025
22AQI
22AQI
27th April 2025
19AQI
19AQI
28th April 2025
20AQI
20AQI
29th April 2025
20AQI
20AQI
30th April 2025
20AQI
20AQI
1st May 2025
19AQI
19AQI
2nd May 2025
27AQI
27AQI
3rd May 2025
43AQI
43AQI
4th May 2025
34AQI
34AQI
5th May 2025
35AQI
35AQI
6th May 2025
34AQI
34AQI
7th May 2025
31AQI
31AQI
8th May 2025
34AQI
34AQI
9th May 2025
36AQI
36AQI
10th May 2025
32AQI
32AQI
11th May 2025
33AQI
33AQI
12th May 2025
29AQI
29AQI
13th May 2025
29AQI
29AQI
14th May 2025
31AQI
31AQI
15th May 2025
30AQI
30AQI
16th May 2025
29AQI
29AQI
17th May 2025
30AQI
30AQI
18th May 2025
40AQI
40AQI
19th May 2025
21AQI
21AQI
20th May 2025
26AQI
26AQI
21st May 2025
20AQI
20AQI
22nd May 2025
20AQI
20AQI
23rd May 2025
25AQI
25AQI
24th May 2025
31AQI
31AQI
25th May 2025
27AQI
27AQI
26th May 2025
21AQI
21AQI
27th May 2025
30AQI
30AQI
28th May 2025
35AQI
35AQI
29th May 2025
42AQI
42AQI
30th May 2025
47AQI
47AQI
31st May 2025
44AQI
44AQI
1st June 2025
33AQI
33AQI
2nd June 2025
36AQI
36AQI
3rd June 2025
26AQI
26AQI
4th June 2025
21AQI
21AQI
5th June 2025
21AQI
21AQI
6th June 2025
19AQI
19AQI
7th June 2025
19AQI
19AQI
8th June 2025
25AQI
25AQI
9th June 2025
48AQI
48AQI
10th June 2025
54AQI
54AQI
11th June 2025
45AQI
45AQI
12th June 2025
39AQI
39AQI
13th June 2025
34AQI
34AQI
14th June 2025
36AQI
36AQI
15th June 2025
29AQI
29AQI
16th June 2025
38AQI
38AQI
17th June 2025
47AQI
47AQI
18th June 2025
51AQI
51AQI
19th June 2025
43AQI
43AQI
20th June 2025
42AQI
42AQI
21st June 2025
35AQI
35AQI
22nd June 2025
34AQI
34AQI
23rd June 2025
36AQI
36AQI
24th June 2025
46AQI
46AQI
25th June 2025
39AQI
39AQI
26th June 2025
28AQI
28AQI
27th June 2025
25AQI
25AQI
28th June 2025
27AQI
27AQI
29th June 2025
32AQI
32AQI
30th June 2025
38AQI
38AQI
1st July 2025
39AQI
39AQI
2nd July 2025
31AQI
31AQI
3rd July 2025
36AQI
36AQI
4th July 2025
42AQI
42AQI
5th July 2025
48AQI
48AQI
6th July 2025
44AQI
44AQI
7th July 2025
34AQI
34AQI
8th July 2025
39AQI
39AQI
9th July 2025
37AQI
37AQI
10th July 2025
33AQI
33AQI
11th July 2025
32AQI
32AQI
12th July 2025
28AQI
28AQI
13th July 2025
24AQI
24AQI
14th July 2025
22AQI
22AQI
15th July 2025
35AQI
35AQI
16th July 2025
44AQI
44AQI
17th July 2025
48AQI
48AQI
18th July 2025
34AQI
34AQI
19th July 2025
30AQI
30AQI
20th July 2025
23AQI
23AQI
21st July 2025
23AQI
23AQI
22nd July 2025
24AQI
24AQI
23rd July 2025
24AQI
24AQI
24th July 2025
26AQI
26AQI
25th July 2025
30AQI
30AQI
26th July 2025
39AQI
39AQI
27th July 2025
45AQI
45AQI
28th July 2025
39AQI
39AQI
29th July 2025
52AQI
52AQI
30th July 2025
53AQI
53AQI
31st July 2025
54AQI
54AQI
1st August 2025
47AQI
47AQI
2nd August 2025
44AQI
44AQI
3rd August 2025
41AQI
41AQI
4th August 2025
48AQI
48AQI
5th August 2025
55AQI
55AQI
6th August 2025
53AQI
53AQI
7th August 2025
52AQI
52AQI
8th August 2025
39AQI
39AQI
9th August 2025
36AQI
36AQI
10th August 2025
43AQI
43AQI
11th August 2025
48AQI
48AQI
12th August 2025
59AQI
59AQI
13th August 2025
57AQI
57AQI
14th August 2025
52AQI
52AQI
15th August 2025
54AQI
54AQI
16th August 2025
53AQI
53AQI
17th August 2025
55AQI
55AQI
18th August 2025
53AQI
53AQI
19th August 2025
42AQI
42AQI
20th August 2025
30AQI
30AQI
21st August 2025
29AQI
29AQI
22nd August 2025
28AQI
28AQI
23rd August 2025
42AQI
42AQI
24th August 2025
44AQI
44AQI
25th August 2025
34AQI
34AQI
26th August 2025
39AQI
39AQI
27th August 2025
34AQI
34AQI
28th August 2025
28AQI
28AQI
29th August 2025
28AQI
28AQI
30th August 2025
25AQI
25AQI
31st August 2025
23AQI
23AQI
1st September 2025
24AQI
24AQI
2nd September 2025
27AQI
27AQI
3rd September 2025
29AQI
29AQI
4th September 2025
26AQI
26AQI
5th September 2025
34AQI
34AQI
6th September 2025
43AQI
43AQI
7th September 2025
37AQI
37AQI
8th September 2025
31AQI
31AQI
9th September 2025
25AQI
25AQI
10th September 2025
22AQI
22AQI
11th September 2025
26AQI
26AQI
12th September 2025
31AQI
31AQI
13th September 2025
31AQI
31AQI
14th September 2025
28AQI
28AQI
15th September 2025
25AQI
25AQI
16th September 2025
31AQI
31AQI
17th September 2025
31AQI
31AQI
18th September 2025
32AQI
32AQI
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
37AQI
41AQI
31AQI
26AQI
31AQI
35AQI
36AQI
42AQI
30AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202534AQI
26
5
26
2
31
30
31
28
2
28
3
21
10
18
239
22
Highest AQI recorded in
August42AQI
Lowest AQI recorded in
April26AQI
202437AQI
24
7
12
9
1
22
3
28
2
30
1
27
2
31
30
23
3
1
27
4
21
9
21
10
296
50
1
1
Highest AQI recorded in
February51AQI
Lowest AQI recorded in
July30AQI
202333AQI
21
9
8
4
16
2
20
9
30
104
15
Highest AQI recorded in
January41AQI
Lowest AQI recorded in
November20AQI
202231AQI
10
29
28
3
27
3
19
2
1
1
26
1
30
1
28
2
27
4
225
16
1
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
March17AQI
202127AQI
18
11
1
21
22
9
29
1
31
20
2
31
30
30
31
10
273
23
1
Highest AQI recorded in
January44AQI
Lowest AQI recorded in
November11AQI
202021AQI
13
18
18
22
29
27
22
25
24
27
1
225
1
Highest AQI recorded in
May33AQI
Lowest AQI recorded in
September12AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2024(Avg.)
37AQILeast Polluted Year Recorded
2020(Avg.)
21AQIVila Nova De Gaia's annual 2025 AQI (34) shows an average percentage change of 19.7% (worsened AQI) compared to previous years: 2020 (21), 2021 (27), 2022 (31), 2023 (33), 2024 (37).
