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Bilbao, Basque Country, 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+

October Air Quality Analysis

Bilbao, Basque Country, Spain

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
5th Oct 2022
68AQI
Lowest AQI recorded on
27th Oct 2024
15AQI

Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 60 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025

Bilbao, Basque Country, Spain

AQI
Day
Night
.

7 AM3rd Oct 2025

8 PM

6 AM4th Oct 2025

Day time
Avg. Highest Time
3PM3rd Oct

75AQI

Avg. Lowest Time
9AM3rd Oct

54AQI

Night time
Avg. Highest Time
12AM4th Oct

74AQI

Avg. Lowest Time
7AM3rd Oct

55AQI

In the last 24 hours,

Bilbao's AQI reached its highest point of 75 at 3 PM during the Day, while the lowest point, 54, was recorded at 9 AM during the Day between 3rd Oct and 4th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Bilbao, Basque Country, Spain

SepOct
04th - 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 - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
4th Sep 2025237 AMAQI
4th Sep 2025228 AMAQI
4th Sep 2025249 AMAQI
4th Sep 20252610 AMAQI
4th Sep 20252511 AMAQI
4th Sep 20252412 PMAQI
4th Sep 2025251 PMAQI
4th Sep 2025272 PMAQI
4th Sep 2025263 PMAQI
4th Sep 2025264 PMAQI
4th Sep 2025255 PMAQI
4th Sep 2025256 PMAQI
4th Sep 2025267 PMAQI
4th Sep 2025278 PMAQI
4th Sep 2025269 PMAQI
4th Sep 20252710 PMAQI
4th Sep 20252711 PMAQI
5th Sep 20252612 AMAQI
5th Sep 2025271 AMAQI
5th Sep 2025262 AMAQI
5th Sep 2025263 AMAQI
5th Sep 2025254 AMAQI
5th Sep 2025255 AMAQI
5th Sep 2025256 AMAQI

18°C16/21°C

5th Sep 2025247 AMAQI
5th Sep 2025258 AMAQI
5th Sep 2025279 AMAQI
5th Sep 20252810 AMAQI
5th Sep 20252811 AMAQI
5th Sep 20252812 PMAQI
5th Sep 2025261 PMAQI
5th Sep 2025252 PMAQI
5th Sep 2025253 PMAQI
5th Sep 2025254 PMAQI
5th Sep 2025255 PMAQI
5th Sep 2025256 PMAQI
5th Sep 2025257 PMAQI
5th Sep 2025258 PMAQI
5th Sep 2025269 PMAQI
5th Sep 20252610 PMAQI
5th Sep 20252611 PMAQI
6th Sep 20252612 AMAQI
6th Sep 2025261 AMAQI
6th Sep 2025252 AMAQI
6th Sep 2025253 AMAQI
6th Sep 2025254 AMAQI
6th Sep 2025275 AMAQI
6th Sep 2025296 AMAQI

18°C14/23°C

6th Sep 2025267 AMAQI
6th Sep 2025268 AMAQI
6th Sep 2025249 AMAQI
6th Sep 20252610 AMAQI
6th Sep 20252611 AMAQI
6th Sep 20252612 PMAQI
6th Sep 2025261 PMAQI
6th Sep 2025272 PMAQI
6th Sep 2025273 PMAQI
6th Sep 2025274 PMAQI
6th Sep 2025285 PMAQI
6th Sep 2025276 PMAQI
6th Sep 2025277 PMAQI
6th Sep 2025278 PMAQI
6th Sep 2025279 PMAQI
6th Sep 20252510 PMAQI
6th Sep 20252611 PMAQI
7th Sep 20252612 AMAQI
7th Sep 2025261 AMAQI
7th Sep 2025282 AMAQI
7th Sep 2025293 AMAQI
7th Sep 2025314 AMAQI
7th Sep 2025265 AMAQI
7th Sep 2025296 AMAQI

24°C17/34°C

7th Sep 2025277 AMAQI
7th Sep 2025288 AMAQI
7th Sep 2025309 AMAQI
7th Sep 20254010 AMAQI
7th Sep 20254111 AMAQI
7th Sep 20254112 PMAQI
7th Sep 2025381 PMAQI
7th Sep 2025342 PMAQI
7th Sep 2025313 PMAQI
7th Sep 2025264 PMAQI
7th Sep 2025275 PMAQI
7th Sep 2025266 PMAQI
7th Sep 2025257 PMAQI
7th Sep 2025258 PMAQI
7th Sep 2025259 PMAQI
7th Sep 20252610 PMAQI
7th Sep 20252611 PMAQI
8th Sep 20252712 AMAQI
8th Sep 2025271 AMAQI
8th Sep 2025312 AMAQI
8th Sep 2025263 AMAQI
8th Sep 2025254 AMAQI
8th Sep 2025245 AMAQI
8th Sep 2025246 AMAQI

22°C18/28°C

8th Sep 2025247 AMAQI
8th Sep 2025258 AMAQI
8th Sep 2025259 AMAQI
8th Sep 20252310 AMAQI
8th Sep 20252211 AMAQI
8th Sep 20252412 PMAQI
8th Sep 2025271 PMAQI
8th Sep 2025242 PMAQI
8th Sep 2025253 PMAQI
8th Sep 2025254 PMAQI
8th Sep 2025235 PMAQI
8th Sep 2025246 PMAQI
8th Sep 2025247 PMAQI
8th Sep 2025258 PMAQI
8th Sep 2025269 PMAQI
8th Sep 20252610 PMAQI
8th Sep 20252411 PMAQI
9th Sep 20252612 AMAQI
9th Sep 2025261 AMAQI
9th Sep 2025242 AMAQI
9th Sep 2025203 AMAQI
9th Sep 2025204 AMAQI
9th Sep 2025205 AMAQI
9th Sep 2025206 AMAQI

16°C15/17°C

9th Sep 2025217 AMAQI
9th Sep 2025238 AMAQI
9th Sep 2025239 AMAQI
9th Sep 20252510 AMAQI
9th Sep 20252911 AMAQI
9th Sep 20252512 PMAQI
9th Sep 2025231 PMAQI
9th Sep 2025222 PMAQI
9th Sep 2025223 PMAQI
9th Sep 2025234 PMAQI
9th Sep 2025235 PMAQI
9th Sep 2025226 PMAQI
9th Sep 2025227 PMAQI
9th Sep 2025228 PMAQI
9th Sep 2025239 PMAQI
9th Sep 20252410 PMAQI
9th Sep 20252311 PMAQI
10th Sep 20252412 AMAQI
10th Sep 2025251 AMAQI
10th Sep 2025242 AMAQI
10th Sep 2025243 AMAQI
10th Sep 2025224 AMAQI
10th Sep 2025225 AMAQI
10th Sep 2025246 AMAQI

17°C15/20°C

10th Sep 2025247 AMAQI
10th Sep 2025238 AMAQI
10th Sep 2025249 AMAQI
10th Sep 20252810 AMAQI
10th Sep 20252711 AMAQI
10th Sep 20252412 PMAQI
10th Sep 2025231 PMAQI
10th Sep 2025222 PMAQI
10th Sep 2025223 PMAQI
10th Sep 2025234 PMAQI
10th Sep 2025235 PMAQI
10th Sep 2025236 PMAQI
10th Sep 2025247 PMAQI
10th Sep 2025258 PMAQI
10th Sep 2025249 PMAQI
10th Sep 20252310 PMAQI
10th Sep 20252411 PMAQI
11th Sep 20252412 AMAQI
11th Sep 2025241 AMAQI
11th Sep 2025292 AMAQI
11th Sep 2025323 AMAQI
11th Sep 2025324 AMAQI
11th Sep 2025325 AMAQI
11th Sep 2025326 AMAQI

17°C15/19°C

11th Sep 2025337 AMAQI
11th Sep 2025318 AMAQI
11th Sep 2025329 AMAQI
11th Sep 20253610 AMAQI
11th Sep 20253411 AMAQI
11th Sep 20253512 PMAQI
11th Sep 2025291 PMAQI
11th Sep 2025282 PMAQI
11th Sep 2025273 PMAQI
11th Sep 2025244 PMAQI
11th Sep 2025255 PMAQI
11th Sep 2025276 PMAQI
11th Sep 2025267 PMAQI
11th Sep 2025268 PMAQI
11th Sep 2025279 PMAQI
11th Sep 20252910 PMAQI
11th Sep 20252911 PMAQI
12th Sep 20252912 AMAQI
12th Sep 2025291 AMAQI
12th Sep 2025232 AMAQI
12th Sep 2025243 AMAQI
12th Sep 2025254 AMAQI
12th Sep 2025255 AMAQI
12th Sep 2025236 AMAQI

18°C16/22°C

12th Sep 2025237 AMAQI
12th Sep 2025248 AMAQI
12th Sep 2025279 AMAQI
12th Sep 20252910 AMAQI
12th Sep 20253211 AMAQI
12th Sep 20253312 PMAQI
12th Sep 2025291 PMAQI
12th Sep 2025262 PMAQI
12th Sep 2025273 PMAQI
12th Sep 2025264 PMAQI
12th Sep 2025265 PMAQI
12th Sep 2025266 PMAQI
12th Sep 2025277 PMAQI
12th Sep 2025268 PMAQI
12th Sep 2025269 PMAQI
12th Sep 20252610 PMAQI
12th Sep 20252611 PMAQI
13th Sep 20252612 AMAQI
13th Sep 2025261 AMAQI
13th Sep 2025262 AMAQI
13th Sep 2025283 AMAQI
13th Sep 2025264 AMAQI
13th Sep 2025265 AMAQI
13th Sep 2025266 AMAQI

18°C17/19°C

13th Sep 2025277 AMAQI
13th Sep 2025278 AMAQI
13th Sep 2025299 AMAQI
13th Sep 20252810 AMAQI
13th Sep 20252911 AMAQI
13th Sep 20253012 PMAQI
13th Sep 2025271 PMAQI
13th Sep 2025262 PMAQI
13th Sep 2025273 PMAQI
13th Sep 2025274 PMAQI
13th Sep 2025285 PMAQI
13th Sep 2025266 PMAQI
13th Sep 2025267 PMAQI
13th Sep 2025258 PMAQI
13th Sep 2025259 PMAQI
13th Sep 20252610 PMAQI
13th Sep 20252611 PMAQI
14th Sep 20252612 AMAQI
14th Sep 2025251 AMAQI
14th Sep 2025222 AMAQI
14th Sep 2025223 AMAQI
14th Sep 2025234 AMAQI
14th Sep 2025235 AMAQI
14th Sep 2025236 AMAQI

18°C15/22°C

14th Sep 2025237 AMAQI
14th Sep 2025258 AMAQI
14th Sep 2025279 AMAQI
14th Sep 20252210 AMAQI
14th Sep 20252311 AMAQI
14th Sep 20252412 PMAQI
14th Sep 2025271 PMAQI
14th Sep 2025262 PMAQI
14th Sep 2025253 PMAQI
14th Sep 2025234 PMAQI
14th Sep 2025225 PMAQI
14th Sep 2025216 PMAQI
14th Sep 2025227 PMAQI
14th Sep 2025248 PMAQI
14th Sep 2025229 PMAQI
14th Sep 20252510 PMAQI
14th Sep 20252311 PMAQI
15th Sep 20252312 AMAQI
15th Sep 2025231 AMAQI
15th Sep 2025202 AMAQI
15th Sep 2025203 AMAQI
15th Sep 2025194 AMAQI
15th Sep 2025215 AMAQI
15th Sep 2025216 AMAQI

20°C15/26°C

15th Sep 2025207 AMAQI
15th Sep 2025238 AMAQI
15th Sep 2025249 AMAQI
15th Sep 20252610 AMAQI
15th Sep 20253011 AMAQI
15th Sep 20252612 PMAQI
15th Sep 2025271 PMAQI
15th Sep 2025252 PMAQI
15th Sep 2025253 PMAQI
15th Sep 2025264 PMAQI
15th Sep 2025235 PMAQI
15th Sep 2025226 PMAQI
15th Sep 2025217 PMAQI
15th Sep 2025208 PMAQI
15th Sep 2025219 PMAQI
15th Sep 20252210 PMAQI
15th Sep 20252111 PMAQI
16th Sep 20252112 AMAQI
16th Sep 2025211 AMAQI
16th Sep 2025242 AMAQI
16th Sep 2025243 AMAQI
16th Sep 2025264 AMAQI
16th Sep 2025275 AMAQI
16th Sep 2025286 AMAQI

18°C17/21°C

16th Sep 2025277 AMAQI
16th Sep 2025298 AMAQI
16th Sep 2025319 AMAQI
16th Sep 20253210 AMAQI
16th Sep 20253711 AMAQI
16th Sep 20253612 PMAQI
16th Sep 2025321 PMAQI
16th Sep 2025262 PMAQI
16th Sep 2025263 PMAQI
16th Sep 2025314 PMAQI
16th Sep 2025285 PMAQI
16th Sep 2025276 PMAQI
16th Sep 2025277 PMAQI
16th Sep 2025278 PMAQI
16th Sep 2025279 PMAQI
16th Sep 20252610 PMAQI
16th Sep 20252711 PMAQI
17th Sep 20252612 AMAQI
17th Sep 2025271 AMAQI
17th Sep 2025242 AMAQI
17th Sep 2025233 AMAQI
17th Sep 2025264 AMAQI
17th Sep 2025245 AMAQI
17th Sep 2025266 AMAQI

18°C16/23°C

17th Sep 2025227 AMAQI
17th Sep 2025228 AMAQI
17th Sep 2025259 AMAQI
17th Sep 20252910 AMAQI
17th Sep 20253711 AMAQI
17th Sep 20253712 PMAQI
17th Sep 2025361 PMAQI
17th Sep 2025312 PMAQI
17th Sep 2025313 PMAQI
17th Sep 2025304 PMAQI
17th Sep 2025295 PMAQI
17th Sep 2025296 PMAQI
17th Sep 2025307 PMAQI
17th Sep 2025338 PMAQI
17th Sep 2025329 PMAQI
17th Sep 20252810 PMAQI
17th Sep 20252711 PMAQI
18th Sep 20252712 AMAQI
18th Sep 2025271 AMAQI
18th Sep 2025332 AMAQI
18th Sep 2025513 AMAQI
18th Sep 2025524 AMAQI
18th Sep 2025545 AMAQI
18th Sep 2025536 AMAQI

20°C15/25°C

18th Sep 2025557 AMAQI
18th Sep 2025558 AMAQI
18th Sep 2025559 AMAQI
18th Sep 20255610 AMAQI
18th Sep 20255411 AMAQI
18th Sep 20255012 PMAQI
18th Sep 2025471 PMAQI
18th Sep 2025462 PMAQI
18th Sep 2025463 PMAQI
18th Sep 2025484 PMAQI
18th Sep 2025505 PMAQI
18th Sep 2025506 PMAQI
18th Sep 2025497 PMAQI
18th Sep 2025518 PMAQI
18th Sep 2025499 PMAQI
18th Sep 20254710 PMAQI
18th Sep 20254711 PMAQI
19th Sep 20254712 AMAQI
19th Sep 2025481 AMAQI
19th Sep 2025522 AMAQI
19th Sep 2025613 AMAQI
19th Sep 2025684 AMAQI
19th Sep 2025705 AMAQI
19th Sep 2025636 AMAQI

21°C16/29°C

19th Sep 2025617 AMAQI
19th Sep 2025578 AMAQI
19th Sep 2025539 AMAQI
19th Sep 20254910 AMAQI
19th Sep 20254511 AMAQI
19th Sep 20254112 PMAQI
19th Sep 2025431 PMAQI
19th Sep 2025512 PMAQI
19th Sep 2025513 PMAQI
19th Sep 2025524 PMAQI
19th Sep 2025515 PMAQI
19th Sep 2025486 PMAQI
19th Sep 2025467 PMAQI
19th Sep 2025488 PMAQI
19th Sep 2025489 PMAQI
19th Sep 20255210 PMAQI
19th Sep 20255111 PMAQI
20th Sep 20255212 AMAQI
20th Sep 2025541 AMAQI
20th Sep 2025482 AMAQI
20th Sep 2025353 AMAQI
20th Sep 2025364 AMAQI
20th Sep 2025385 AMAQI
20th Sep 2025416 AMAQI

24°C19/32°C

20th Sep 2025417 AMAQI
20th Sep 2025408 AMAQI
20th Sep 2025389 AMAQI
20th Sep 20253710 AMAQI
20th Sep 20253811 AMAQI
20th Sep 20253712 PMAQI
20th Sep 2025401 PMAQI
20th Sep 2025452 PMAQI
20th Sep 2025463 PMAQI
20th Sep 2025464 PMAQI
20th Sep 2025455 PMAQI
20th Sep 2025426 PMAQI
20th Sep 2025387 PMAQI
20th Sep 2025388 PMAQI
20th Sep 2025389 PMAQI
20th Sep 20254010 PMAQI
20th Sep 20254211 PMAQI
21st Sep 20254312 AMAQI
21st Sep 2025441 AMAQI
21st Sep 2025332 AMAQI
21st Sep 2025153 AMAQI
21st Sep 2025144 AMAQI
21st Sep 2025155 AMAQI
21st Sep 2025216 AMAQI

21°C17/26°C

21st Sep 2025197 AMAQI
21st Sep 2025208 AMAQI
21st Sep 2025209 AMAQI
21st Sep 20252010 AMAQI
21st Sep 20252011 AMAQI
21st Sep 20252112 PMAQI
21st Sep 2025221 PMAQI
21st Sep 2025222 PMAQI
21st Sep 2025233 PMAQI
21st Sep 2025224 PMAQI
21st Sep 2025235 PMAQI
21st Sep 2025236 PMAQI
21st Sep 2025237 PMAQI
21st Sep 2025228 PMAQI
21st Sep 2025229 PMAQI
21st Sep 20252310 PMAQI
21st Sep 20252311 PMAQI
22nd Sep 20252312 AMAQI
22nd Sep 2025231 AMAQI
22nd Sep 2025212 AMAQI
22nd Sep 2025163 AMAQI
22nd Sep 2025154 AMAQI
22nd Sep 2025155 AMAQI
22nd Sep 2025166 AMAQI

14°C13/16°C

22nd Sep 2025167 AMAQI
22nd Sep 2025178 AMAQI
22nd Sep 2025189 AMAQI
22nd Sep 20251810 AMAQI
22nd Sep 20251611 AMAQI
22nd Sep 20251712 PMAQI
22nd Sep 2025161 PMAQI
22nd Sep 2025172 PMAQI
22nd Sep 2025173 PMAQI
22nd Sep 2025174 PMAQI
22nd Sep 2025175 PMAQI
22nd Sep 2025176 PMAQI
22nd Sep 2025187 PMAQI
22nd Sep 2025178 PMAQI
22nd Sep 2025189 PMAQI
22nd Sep 20251810 PMAQI
22nd Sep 20251811 PMAQI
23rd Sep 20251912 AMAQI
23rd Sep 2025191 AMAQI
23rd Sep 2025192 AMAQI
23rd Sep 2025173 AMAQI
23rd Sep 2025184 AMAQI
23rd Sep 2025195 AMAQI
23rd Sep 2025186 AMAQI

14°C12/16°C

23rd Sep 2025197 AMAQI
23rd Sep 2025228 AMAQI
23rd Sep 2025259 AMAQI
23rd Sep 20253010 AMAQI
23rd Sep 20253111 AMAQI
23rd Sep 20253212 PMAQI
23rd Sep 2025271 PMAQI
23rd Sep 2025182 PMAQI
23rd Sep 2025173 PMAQI
23rd Sep 2025184 PMAQI
23rd Sep 2025185 PMAQI
23rd Sep 2025176 PMAQI
23rd Sep 2025187 PMAQI
23rd Sep 2025188 PMAQI
23rd Sep 2025189 PMAQI
23rd Sep 20251910 PMAQI
23rd Sep 20251911 PMAQI
24th Sep 20252012 AMAQI
24th Sep 2025201 AMAQI
24th Sep 2025212 AMAQI
24th Sep 2025253 AMAQI
24th Sep 2025284 AMAQI
24th Sep 2025275 AMAQI
24th Sep 2025276 AMAQI

14°C12/15°C

24th Sep 2025267 AMAQI
24th Sep 2025258 AMAQI
24th Sep 2025269 AMAQI
24th Sep 20252310 AMAQI
24th Sep 20252311 AMAQI
24th Sep 20252212 PMAQI
24th Sep 2025221 PMAQI
24th Sep 2025222 PMAQI
24th Sep 2025223 PMAQI
24th Sep 2025214 PMAQI
24th Sep 2025205 PMAQI
24th Sep 2025196 PMAQI
24th Sep 2025197 PMAQI
24th Sep 2025228 PMAQI
24th Sep 2025229 PMAQI
24th Sep 20252310 PMAQI
24th Sep 20252211 PMAQI
25th Sep 20252312 AMAQI
25th Sep 2025231 AMAQI
25th Sep 2025222 AMAQI
25th Sep 2025243 AMAQI
25th Sep 2025274 AMAQI
25th Sep 2025275 AMAQI
25th Sep 2025256 AMAQI

14°C12/17°C

25th Sep 2025327 AMAQI
25th Sep 2025358 AMAQI
25th Sep 2025339 AMAQI
25th Sep 20253110 AMAQI
25th Sep 20253011 AMAQI
25th Sep 20252912 PMAQI
25th Sep 2025281 PMAQI
25th Sep 2025272 PMAQI
25th Sep 2025273 PMAQI
25th Sep 2025294 PMAQI
25th Sep 2025285 PMAQI
25th Sep 2025286 PMAQI
25th Sep 2025287 PMAQI
25th Sep 2025278 PMAQI
25th Sep 2025259 PMAQI
25th Sep 20252410 PMAQI
25th Sep 20252211 PMAQI
26th Sep 20252312 AMAQI
26th Sep 2025251 AMAQI
26th Sep 2025272 AMAQI
26th Sep 2025283 AMAQI
26th Sep 2025304 AMAQI
26th Sep 2025325 AMAQI
26th Sep 2025396 AMAQI

14°C11/18°C

26th Sep 2025427 AMAQI
26th Sep 2025468 AMAQI
26th Sep 2025449 AMAQI
26th Sep 20254410 AMAQI
26th Sep 20254411 AMAQI
26th Sep 20254412 PMAQI
26th Sep 2025391 PMAQI
26th Sep 2025352 PMAQI
26th Sep 2025333 PMAQI
26th Sep 2025324 PMAQI
26th Sep 2025305 PMAQI
26th Sep 2025296 PMAQI
26th Sep 2025297 PMAQI
26th Sep 2025278 PMAQI
26th Sep 2025269 PMAQI
26th Sep 20252610 PMAQI
26th Sep 20252511 PMAQI
27th Sep 20252612 AMAQI
27th Sep 2025271 AMAQI
27th Sep 2025292 AMAQI
27th Sep 2025313 AMAQI
27th Sep 2025314 AMAQI
27th Sep 2025315 AMAQI
27th Sep 2025306 AMAQI

15°C12/19°C

27th Sep 2025317 AMAQI
27th Sep 2025338 AMAQI
27th Sep 2025339 AMAQI
27th Sep 20253310 AMAQI
27th Sep 20253411 AMAQI
27th Sep 20253412 PMAQI
27th Sep 2025311 PMAQI
27th Sep 2025292 PMAQI
27th Sep 2025273 PMAQI
27th Sep 2025264 PMAQI
27th Sep 2025295 PMAQI
27th Sep 2025316 PMAQI
27th Sep 2025327 PMAQI
27th Sep 2025358 PMAQI
27th Sep 2025389 PMAQI
27th Sep 20253910 PMAQI
27th Sep 20254011 PMAQI
28th Sep 20254112 AMAQI
28th Sep 2025421 AMAQI
28th Sep 2025432 AMAQI
28th Sep 2025413 AMAQI
28th Sep 2025414 AMAQI
28th Sep 2025415 AMAQI
28th Sep 2025416 AMAQI

18°C12/25°C

28th Sep 2025407 AMAQI
28th Sep 2025388 AMAQI
28th Sep 2025379 AMAQI
28th Sep 20253810 AMAQI
28th Sep 20254011 AMAQI
28th Sep 20253712 PMAQI
28th Sep 2025351 PMAQI
28th Sep 2025362 PMAQI
28th Sep 2025383 PMAQI
28th Sep 2025354 PMAQI
28th Sep 2025335 PMAQI
28th Sep 2025296 PMAQI
28th Sep 2025307 PMAQI
28th Sep 2025338 PMAQI
28th Sep 2025309 PMAQI
28th Sep 20253010 PMAQI
28th Sep 20253011 PMAQI
29th Sep 20253212 AMAQI
29th Sep 2025331 AMAQI
29th Sep 2025302 AMAQI
29th Sep 2025343 AMAQI
29th Sep 2025324 AMAQI
29th Sep 2025315 AMAQI
29th Sep 2025346 AMAQI

19°C16/22°C

29th Sep 2025367 AMAQI
29th Sep 2025378 AMAQI
29th Sep 2025419 AMAQI
29th Sep 20254510 AMAQI
29th Sep 20254511 AMAQI
29th Sep 20254512 PMAQI
29th Sep 2025441 PMAQI
29th Sep 2025422 PMAQI
29th Sep 2025383 PMAQI
29th Sep 2025384 PMAQI
29th Sep 2025345 PMAQI
29th Sep 2025326 PMAQI
29th Sep 2025327 PMAQI
29th Sep 2025338 PMAQI
29th Sep 2025359 PMAQI
29th Sep 20253510 PMAQI
29th Sep 20253911 PMAQI
30th Sep 20253812 AMAQI
30th Sep 2025361 AMAQI
30th Sep 2025352 AMAQI
30th Sep 2025363 AMAQI
30th Sep 2025364 AMAQI
30th Sep 2025375 AMAQI
30th Sep 2025376 AMAQI

17°C15/20°C

30th Sep 2025387 AMAQI
30th Sep 2025408 AMAQI
30th Sep 2025449 AMAQI
30th Sep 20254610 AMAQI
30th Sep 20254811 AMAQI
30th Sep 20255012 PMAQI
30th Sep 2025491 PMAQI
30th Sep 2025452 PMAQI
30th Sep 2025423 PMAQI
30th Sep 2025404 PMAQI
30th Sep 2025395 PMAQI
30th Sep 2025396 PMAQI
30th Sep 2025377 PMAQI
30th Sep 2025368 PMAQI
30th Sep 2025399 PMAQI
30th Sep 20254010 PMAQI
30th Sep 20253711 PMAQI
1st Oct 20253612 AMAQI
1st Oct 2025371 AMAQI
1st Oct 2025392 AMAQI
1st Oct 2025403 AMAQI
1st Oct 2025394 AMAQI
1st Oct 2025415 AMAQI
1st Oct 2025416 AMAQI

17°C15/20°C

1st Oct 2025407 AMAQI
1st Oct 2025418 AMAQI
1st Oct 2025449 AMAQI
1st Oct 20254610 AMAQI
1st Oct 20254911 AMAQI
1st Oct 20255012 PMAQI
1st Oct 2025531 PMAQI
1st Oct 2025522 PMAQI
1st Oct 2025523 PMAQI
1st Oct 2025484 PMAQI
1st Oct 2025475 PMAQI
1st Oct 2025486 PMAQI
1st Oct 2025487 PMAQI
1st Oct 2025488 PMAQI
1st Oct 2025529 PMAQI
1st Oct 20255310 PMAQI
1st Oct 20255411 PMAQI
2nd Oct 20255512 AMAQI
2nd Oct 2025551 AMAQI
2nd Oct 2025552 AMAQI
2nd Oct 2025533 AMAQI
2nd Oct 2025534 AMAQI
2nd Oct 2025535 AMAQI
2nd Oct 2025536 AMAQI

16°C13/20°C

2nd Oct 2025537 AMAQI
2nd Oct 2025548 AMAQI
2nd Oct 2025559 AMAQI
2nd Oct 20255610 AMAQI
2nd Oct 20255611 AMAQI
2nd Oct 20255512 PMAQI
2nd Oct 2025551 PMAQI
2nd Oct 2025542 PMAQI
2nd Oct 2025533 PMAQI
2nd Oct 2025504 PMAQI
2nd Oct 2025475 PMAQI
2nd Oct 2025466 PMAQI
2nd Oct 2025477 PMAQI
2nd Oct 2025518 PMAQI
2nd Oct 2025579 PMAQI
2nd Oct 20256110 PMAQI
2nd Oct 20256211 PMAQI
3rd Oct 20256012 AMAQI
3rd Oct 2025581 AMAQI
3rd Oct 2025572 AMAQI
3rd Oct 2025573 AMAQI
3rd Oct 2025574 AMAQI
3rd Oct 2025575 AMAQI
3rd Oct 2025556 AMAQI

17°C13/23°C

3rd Oct 2025557 AMAQI
3rd Oct 2025548 AMAQI
3rd Oct 2025549 AMAQI
3rd Oct 20255610 AMAQI
3rd Oct 20255711 AMAQI
3rd Oct 20255812 PMAQI
3rd Oct 2025551 PMAQI
3rd Oct 2025732 PMAQI
3rd Oct 2025753 PMAQI
3rd Oct 2025744 PMAQI
3rd Oct 2025745 PMAQI
3rd Oct 2025726 PMAQI
3rd Oct 2025717 PMAQI
3rd Oct 2025728 PMAQI
3rd Oct 2025739 PMAQI
3rd Oct 20257210 PMAQI
3rd Oct 20257311 PMAQI
4th Oct 20257412 AMAQI
4th Oct 2025731 AMAQI
4th Oct 2025722 AMAQI
4th Oct 2025723 AMAQI
4th Oct 2025704 AMAQI
4th Oct 2025695 AMAQI
4th Oct 2025686 AMAQI

18°C16/21°C

4th Oct 2025677 AMAQI
7 AM
4th Oct 2025688 AMAQI
4th Oct 2025699 AMAQI
4th Oct 20256810 AMAQI
4th Oct 20256611 AMAQI
4th Oct 20256512 PMAQI
4th Oct 2025671 PMAQI
1 PM
8 PM
1 AM
6 AM

--°C/°C

Day time
Avg. Highest Time
7 AM - 2 PM

34AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
5 PM - 8 PM

31AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 2 PM (Avg. 34), while the lowest AQI was between 5 PM to 8 PM (Avg. 31).
Night time
Avg. Highest Time
6 AM

33AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM - 5 AM

32AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 AM (Avg. 33), while the lowest AQI was between 12 AM to 5 AM (Avg. 32).

2025 Days Vs Air Quality

Bilbao, Basque Country, Spain

2025

88%

244

12%

32

Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)

Good
244 Days
Moderate
32 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 88%

Health Risk Level:

Low

In 2025, 88% of 277 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

Bilbao, Basque Country, Spain

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
41AQI
2nd January 2025
29AQI
3rd January 2025
31AQI
4th January 2025
28AQI
5th January 2025
26AQI
6th January 2025
26AQI
7th January 2025
27AQI
8th January 2025
26AQI
9th January 2025
26AQI
10th January 2025
27AQI
11th January 2025
31AQI
12th January 2025
26AQI
13th January 2025
35AQI
14th January 2025
47AQI
15th January 2025
54AQI
16th January 2025
55AQI
17th January 2025
55AQI
18th January 2025
52AQI
19th January 2025
43AQI
20th January 2025
32AQI
21st January 2025
33AQI
22nd January 2025
27AQI
23rd January 2025
29AQI
24th January 2025
27AQI
25th January 2025
24AQI
26th January 2025
26AQI
27th January 2025
29AQI
28th January 2025
27AQI
29th January 2025
27AQI
30th January 2025
28AQI
31st January 2025
34AQI
1st February 2025
32AQI
2nd February 2025
31AQI
3rd February 2025
29AQI
4th February 2025
41AQI
5th February 2025
46AQI
6th February 2025
55AQI
7th February 2025
44AQI
8th February 2025
35AQI
9th February 2025
35AQI
10th February 2025
39AQI
11th February 2025
40AQI
12th February 2025
36AQI
13th February 2025
34AQI
14th February 2025
37AQI
15th February 2025
36AQI
16th February 2025
39AQI
17th February 2025
46AQI
18th February 2025
50AQI
19th February 2025
54AQI
20th February 2025
44AQI
21st February 2025
42AQI
22nd February 2025
32AQI
23rd February 2025
32AQI
24th February 2025
28AQI
25th February 2025
27AQI
26th February 2025
28AQI
27th February 2025
36AQI
28th February 2025
44AQI
1st March 2025
39AQI
2nd March 2025
31AQI
3rd March 2025
39AQI
4th March 2025
47AQI
5th March 2025
49AQI
6th March 2025
34AQI
7th March 2025
30AQI
8th March 2025
28AQI
9th March 2025
28AQI
10th March 2025
27AQI
11th March 2025
26AQI
12th March 2025
28AQI
13th March 2025
26AQI
14th March 2025
27AQI
15th March 2025
33AQI
16th March 2025
34AQI
17th March 2025
35AQI
18th March 2025
26AQI
19th March 2025
20AQI
20th March 2025
32AQI
21st March 2025
28AQI
22nd March 2025
18AQI
23rd March 2025
21AQI
24th March 2025
28AQI
25th March 2025
35AQI
26th March 2025
40AQI
27th March 2025
45AQI
28th March 2025
39AQI
29th March 2025
27AQI
30th March 2025
31AQI
31st March 2025
36AQI
1st April 2025
43AQI
2nd April 2025
48AQI
3rd April 2025
23AQI
4th April 2025
30AQI
5th April 2025
20AQI
6th April 2025
27AQI
7th April 2025
39AQI
8th April 2025
52AQI
9th April 2025
66AQI
10th April 2025
52AQI
11th April 2025
44AQI
12th April 2025
40AQI
13th April 2025
39AQI
14th April 2025
37AQI
15th April 2025
19AQI
16th April 2025
17AQI
17th April 2025
19AQI
18th April 2025
20AQI
19th April 2025
16AQI
20th April 2025
17AQI
21st April 2025
22AQI
22nd April 2025
23AQI
23rd April 2025
28AQI
24th April 2025
27AQI
25th April 2025
33AQI
26th April 2025
20AQI
27th April 2025
23AQI
28th April 2025
39AQI
29th April 2025
26AQI
30th April 2025
23AQI
1st May 2025
26AQI
2nd May 2025
35AQI
3rd May 2025
24AQI
4th May 2025
29AQI
5th May 2025
23AQI
6th May 2025
20AQI
7th May 2025
29AQI
8th May 2025
35AQI
9th May 2025
41AQI
10th May 2025
31AQI
11th May 2025
27AQI
12th May 2025
27AQI
13th May 2025
30AQI
14th May 2025
29AQI
15th May 2025
24AQI
16th May 2025
37AQI
17th May 2025
44AQI
18th May 2025
42AQI
19th May 2025
35AQI
20th May 2025
31AQI
21st May 2025
36AQI
22nd May 2025
24AQI
23rd May 2025
30AQI
24th May 2025
31AQI
25th May 2025
31AQI
26th May 2025
22AQI
27th May 2025
27AQI
28th May 2025
33AQI
29th May 2025
35AQI
30th May 2025
45AQI
31st May 2025
39AQI
1st June 2025
23AQI
2nd June 2025
27AQI
3rd June 2025
38AQI
4th June 2025
37AQI
5th June 2025
27AQI
6th June 2025
27AQI
7th June 2025
24AQI
8th June 2025
43AQI
9th June 2025
58AQI
10th June 2025
64AQI
11th June 2025
60AQI
12th June 2025
59AQI
13th June 2025
63AQI
14th June 2025
51AQI
15th June 2025
36AQI
16th June 2025
33AQI
17th June 2025
40AQI
18th June 2025
45AQI
19th June 2025
53AQI
20th June 2025
56AQI
21st June 2025
56AQI
22nd June 2025
56AQI
23rd June 2025
53AQI
24th June 2025
55AQI
25th June 2025
50AQI
26th June 2025
46AQI
27th June 2025
42AQI
28th June 2025
40AQI
29th June 2025
37AQI
30th June 2025
41AQI
1st July 2025
46AQI
2nd July 2025
36AQI
3rd July 2025
31AQI
4th July 2025
35AQI
5th July 2025
35AQI
6th July 2025
33AQI
7th July 2025
29AQI
8th July 2025
29AQI
9th July 2025
28AQI
10th July 2025
32AQI
11th July 2025
39AQI
12th July 2025
41AQI
13th July 2025
42AQI
14th July 2025
39AQI
15th July 2025
36AQI
16th July 2025
42AQI
17th July 2025
47AQI
18th July 2025
38AQI
19th July 2025
30AQI
20th July 2025
27AQI
21st July 2025
27AQI
22nd July 2025
24AQI
23rd July 2025
22AQI
24th July 2025
20AQI
25th July 2025
34AQI
26th July 2025
44AQI
27th July 2025
45AQI
28th July 2025
31AQI
29th July 2025
27AQI
30th July 2025
24AQI
31st July 2025
22AQI
1st August 2025
27AQI
2nd August 2025
25AQI
3rd August 2025
28AQI
4th August 2025
32AQI
5th August 2025
37AQI
6th August 2025
31AQI
7th August 2025
34AQI
8th August 2025
33AQI
9th August 2025
29AQI
10th August 2025
35AQI
11th August 2025
49AQI
12th August 2025
57AQI
13th August 2025
58AQI
14th August 2025
58AQI
15th August 2025
57AQI
16th August 2025
55AQI
17th August 2025
56AQI
18th August 2025
53AQI
19th August 2025
51AQI
20th August 2025
40AQI
21st August 2025
37AQI
22nd August 2025
34AQI
23rd August 2025
33AQI
24th August 2025
35AQI
25th August 2025
39AQI
26th August 2025
45AQI
27th August 2025
38AQI
28th August 2025
35AQI
29th August 2025
28AQI
30th August 2025
22AQI
31st August 2025
21AQI
1st September 2025
24AQI
2nd September 2025
23AQI
3rd September 2025
28AQI
4th September 2025
26AQI
5th September 2025
26AQI
6th September 2025
26AQI
7th September 2025
29AQI
8th September 2025
25AQI
9th September 2025
23AQI
10th September 2025
24AQI
11th September 2025
29AQI
12th September 2025
27AQI
13th September 2025
27AQI
14th September 2025
24AQI
15th September 2025
23AQI
16th September 2025
27AQI
17th September 2025
28AQI
18th September 2025
46AQI
19th September 2025
52AQI
20th September 2025
42AQI
21st September 2025
25AQI
22nd September 2025
18AQI
23rd September 2025
20AQI
24th September 2025
23AQI
25th September 2025
26AQI
26th September 2025
31AQI
27th September 2025
31AQI
28th September 2025
37AQI
29th September 2025
35AQI
30th September 2025
39AQI
1st October 2025
44AQI
2nd October 2025
54AQI
3rd October 2025
60AQI
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

33AQI

38AQI

32AQI

31AQI

31AQI

45AQI

33AQI

39AQI

29AQI

53AQI

No. of days

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

202535AQI

27
4
26
2
31
27
3
31
18
12
31
23
8
29
1
1
2
244
32

Highest AQI recorded in

October

53AQI

Lowest AQI recorded in

September

29AQI

202432AQI

30
1
24
5
30
1
30
31
29
1
28
3
31
30
29
2
25
5
28
3
345
21

Highest AQI recorded in

November

38AQI

Lowest AQI recorded in

May

27AQI

202333AQI

31
20
8
27
4
29
1
27
4
25
5
31
30
1
27
3
25
6
29
31
332
32

Highest AQI recorded in

February

45AQI

Lowest AQI recorded in

December

24AQI

202241AQI

17
14
11
11
22
8
1
21
9
24
7
22
8
17
6
3
5
28
1
23
8
30
31
251
72
4

Highest AQI recorded in

July

55AQI

Lowest AQI recorded in

November

25AQI

202141AQI

26
4
23
5
16
15
20
10
28
3
23
7
27
4
30
1
20
10
27
4
28
2
28
3
296
68

Highest AQI recorded in

March

52AQI

Lowest AQI recorded in

December

34AQI

202035AQI

10
3
21
14
4
26
4
29
2
31
23
7
30
1
23
6
30
1
237
28

Highest AQI recorded in

March

44AQI

Lowest AQI recorded in

December

27AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
41AQI
Least Polluted Year Recorded
2024(Avg.)
32AQI

Bilbao's annual 2025 AQI (35) shows an average percentage change of -3.02% (improved AQI) compared to previous years: 2020 (35), 2021 (41), 2022 (41), 2023 (33), 2024 (32).