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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Santander, Cantabria, Spain Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

September Air Quality Analysis

Santander, Cantabria, Spain

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
18th Sep 2024
56AQI
Lowest AQI recorded on
10th Sep 2022
11AQI

Same Day Analysis (25th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 43 of Good air quality on the same day.

Day & Night AQI Trend: 24th Sep - 25th Sep 2026

Santander, Cantabria, Spain

AQI
Day
Night
.

7 AM24th Sep 2026

8 PM

6 AM25th Sep 2026

Day time
Avg. Highest Time
5PM24th Sep

51AQI

Avg. Lowest Time
11AM24th Sep

29AQI

Night time
Avg. Highest Time
10PM24th Sep

51AQI

Avg. Lowest Time
2AM25th Sep

28AQI

In the last 24 hours,

Santander's AQI reached its highest point of 51 at 5 PM during the Day, while the lowest point, 28, was recorded at 2 AM during the Night between 24th Sep and 25th Sep 2026.

Day & Night AQI Trend : Aug - Sep 2026

Santander, Cantabria, Spain

AugSep
27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th
Day
Night
27th Aug 2026407 AMAQI
27th Aug 2026418 AMAQI
27th Aug 2026289 AMAQI
27th Aug 20262110 AMAQI
27th Aug 20262911 AMAQI
27th Aug 20262512 PMAQI
27th Aug 2026291 PMAQI
27th Aug 2026342 PMAQI
27th Aug 2026443 PMAQI
27th Aug 2026424 PMAQI
27th Aug 2026425 PMAQI
27th Aug 2026446 PMAQI
27th Aug 2026257 PMAQI
27th Aug 2026338 PMAQI
27th Aug 2026409 PMAQI
27th Aug 20263810 PMAQI
27th Aug 20263411 PMAQI
28th Aug 20263312 AMAQI
28th Aug 2026291 AMAQI
28th Aug 2026262 AMAQI
28th Aug 2026213 AMAQI
28th Aug 202684 AMAQI
28th Aug 2026165 AMAQI
28th Aug 2026306 AMAQI

22°C19/26°C

28th Aug 2026207 AMAQI
28th Aug 2026298 AMAQI
28th Aug 2026209 AMAQI
28th Aug 20262210 AMAQI
28th Aug 2026811 AMAQI
28th Aug 20262512 PMAQI
28th Aug 2026331 PMAQI
28th Aug 2026332 PMAQI
28th Aug 2026263 PMAQI
28th Aug 2026244 PMAQI
28th Aug 2026335 PMAQI
28th Aug 2026286 PMAQI
28th Aug 2026347 PMAQI
28th Aug 2026388 PMAQI
28th Aug 2026259 PMAQI
28th Aug 20262110 PMAQI
28th Aug 20262511 PMAQI
29th Aug 20262912 AMAQI
29th Aug 2026211 AMAQI
29th Aug 2026242 AMAQI
29th Aug 2026263 AMAQI
29th Aug 2026384 AMAQI
29th Aug 2026325 AMAQI
29th Aug 2026346 AMAQI

19°C15/22°C

29th Aug 2026297 AMAQI
29th Aug 2026258 AMAQI
29th Aug 2026259 AMAQI
29th Aug 20262410 AMAQI
29th Aug 20262511 AMAQI
29th Aug 20262712 PMAQI
29th Aug 2026161 PMAQI
29th Aug 2026312 PMAQI
29th Aug 2026363 PMAQI
29th Aug 2026374 PMAQI
29th Aug 2026365 PMAQI
29th Aug 2026296 PMAQI
29th Aug 2026347 PMAQI
29th Aug 2026278 PMAQI
29th Aug 2026389 PMAQI
29th Aug 20263610 PMAQI
29th Aug 20264211 PMAQI
30th Aug 20263212 AMAQI
30th Aug 2026341 AMAQI
30th Aug 2026272 AMAQI
30th Aug 2026293 AMAQI
30th Aug 2026244 AMAQI
30th Aug 2026245 AMAQI
30th Aug 2026226 AMAQI

20°C18/23°C

30th Aug 2026217 AMAQI
30th Aug 2026228 AMAQI
30th Aug 2026249 AMAQI
30th Aug 20262110 AMAQI
30th Aug 20262111 AMAQI
30th Aug 20262512 PMAQI
30th Aug 2026241 PMAQI
30th Aug 2026292 PMAQI
30th Aug 2026323 PMAQI
30th Aug 2026384 PMAQI
30th Aug 2026215 PMAQI
30th Aug 2026296 PMAQI
30th Aug 2026277 PMAQI
30th Aug 2026318 PMAQI
30th Aug 2026299 PMAQI
30th Aug 20263310 PMAQI
30th Aug 20262911 PMAQI
31st Aug 20263312 AMAQI
31st Aug 2026251 AMAQI
31st Aug 2026252 AMAQI
31st Aug 2026253 AMAQI
31st Aug 2026254 AMAQI
31st Aug 2026255 AMAQI
31st Aug 2026236 AMAQI

20°C18/21°C

31st Aug 2026247 AMAQI
31st Aug 2026368 AMAQI
31st Aug 2026349 AMAQI
31st Aug 20263310 AMAQI
31st Aug 20264811 AMAQI
31st Aug 20264612 PMAQI
31st Aug 2026401 PMAQI
31st Aug 2026272 PMAQI
31st Aug 2026283 PMAQI
31st Aug 2026284 PMAQI
31st Aug 2026255 PMAQI
31st Aug 2026286 PMAQI
31st Aug 2026267 PMAQI
31st Aug 2026288 PMAQI
31st Aug 2026319 PMAQI
31st Aug 20262610 PMAQI
31st Aug 20263411 PMAQI
1st Sep 20262112 AMAQI
1st Sep 2026251 AMAQI
1st Sep 2026212 AMAQI
1st Sep 2026223 AMAQI
1st Sep 2026254 AMAQI
1st Sep 2026225 AMAQI
1st Sep 2026346 AMAQI

19°C17/21°C

1st Sep 2026297 AMAQI
1st Sep 2026258 AMAQI
1st Sep 2026259 AMAQI
1st Sep 20262510 AMAQI
1st Sep 20262511 AMAQI
1st Sep 20263312 PMAQI
1st Sep 2026251 PMAQI
1st Sep 2026252 PMAQI
1st Sep 2026233 PMAQI
1st Sep 2026264 PMAQI
1st Sep 2026245 PMAQI
1st Sep 2026316 PMAQI
1st Sep 2026267 PMAQI
1st Sep 2026328 PMAQI
1st Sep 2026339 PMAQI
1st Sep 20263110 PMAQI
1st Sep 20263011 PMAQI
2nd Sep 20263312 AMAQI
2nd Sep 2026381 AMAQI
2nd Sep 2026292 AMAQI
2nd Sep 2026293 AMAQI
2nd Sep 2026364 AMAQI
2nd Sep 2026465 AMAQI
2nd Sep 2026526 AMAQI

19°C16/21°C

2nd Sep 2026477 AMAQI
2nd Sep 2026408 AMAQI
2nd Sep 2026429 AMAQI
2nd Sep 20262910 AMAQI
2nd Sep 20264011 AMAQI
2nd Sep 20262412 PMAQI
2nd Sep 2026281 PMAQI
2nd Sep 2026292 PMAQI
2nd Sep 2026283 PMAQI
2nd Sep 2026214 PMAQI
2nd Sep 2026235 PMAQI
2nd Sep 2026296 PMAQI
2nd Sep 2026267 PMAQI
2nd Sep 2026258 PMAQI
2nd Sep 2026269 PMAQI
2nd Sep 20263210 PMAQI
2nd Sep 20263611 PMAQI
3rd Sep 20263112 AMAQI
3rd Sep 2026271 AMAQI
3rd Sep 2026292 AMAQI
3rd Sep 2026253 AMAQI
3rd Sep 2026254 AMAQI
3rd Sep 2026385 AMAQI
3rd Sep 2026506 AMAQI

20°C18/22°C

3rd Sep 2026527 AMAQI
3rd Sep 2026448 AMAQI
3rd Sep 2026369 AMAQI
3rd Sep 20263810 AMAQI
3rd Sep 20263811 AMAQI
3rd Sep 20263812 PMAQI
3rd Sep 2026381 PMAQI
3rd Sep 2026422 PMAQI
3rd Sep 2026383 PMAQI
3rd Sep 2026334 PMAQI
3rd Sep 2026385 PMAQI
3rd Sep 2026276 PMAQI
3rd Sep 2026387 PMAQI
3rd Sep 2026348 PMAQI
3rd Sep 2026409 PMAQI
3rd Sep 20263410 PMAQI
3rd Sep 20265511 PMAQI
4th Sep 20263412 AMAQI
4th Sep 2026451 AMAQI
4th Sep 2026442 AMAQI
4th Sep 2026363 AMAQI
4th Sep 2026424 AMAQI
4th Sep 2026275 AMAQI
4th Sep 2026276 AMAQI

20°C17/23°C

4th Sep 2026317 AMAQI
4th Sep 2026428 AMAQI
4th Sep 2026409 AMAQI
4th Sep 20264610 AMAQI
4th Sep 20263811 AMAQI
4th Sep 20263712 PMAQI
4th Sep 2026421 PMAQI
4th Sep 2026392 PMAQI
4th Sep 2026403 PMAQI
4th Sep 2026464 PMAQI
4th Sep 2026435 PMAQI
4th Sep 2026436 PMAQI
4th Sep 2026567 PMAQI
4th Sep 2026418 PMAQI
4th Sep 2026399 PMAQI
4th Sep 20262510 PMAQI
4th Sep 20263811 PMAQI
5th Sep 20263612 AMAQI
5th Sep 2026211 AMAQI
5th Sep 2026382 AMAQI
5th Sep 2026413 AMAQI
5th Sep 2026554 AMAQI
5th Sep 2026445 AMAQI
5th Sep 2026316 AMAQI

21°C20/23°C

5th Sep 2026607 AMAQI
5th Sep 2026628 AMAQI
5th Sep 2026449 AMAQI
5th Sep 20266010 AMAQI
5th Sep 20266111 AMAQI
5th Sep 20265612 PMAQI
5th Sep 2026421 PMAQI
5th Sep 2026382 PMAQI
5th Sep 2026373 PMAQI
5th Sep 2026404 PMAQI
5th Sep 2026365 PMAQI
5th Sep 2026336 PMAQI
5th Sep 2026357 PMAQI
5th Sep 2026258 PMAQI
5th Sep 2026329 PMAQI
5th Sep 20263810 PMAQI
5th Sep 20263811 PMAQI
6th Sep 20264212 AMAQI
6th Sep 2026281 AMAQI
6th Sep 2026262 AMAQI
6th Sep 2026463 AMAQI
6th Sep 2026424 AMAQI
6th Sep 2026565 AMAQI
6th Sep 2026566 AMAQI

21°C19/23°C

6th Sep 2026537 AMAQI
6th Sep 2026508 AMAQI
6th Sep 2026389 AMAQI
6th Sep 20264910 AMAQI
6th Sep 20263611 AMAQI
6th Sep 20262612 PMAQI
6th Sep 2026401 PMAQI
6th Sep 2026322 PMAQI
6th Sep 2026323 PMAQI
6th Sep 2026324 PMAQI
6th Sep 2026435 PMAQI
6th Sep 2026446 PMAQI
6th Sep 2026397 PMAQI
6th Sep 2026408 PMAQI
6th Sep 2026319 PMAQI
6th Sep 20264610 PMAQI
6th Sep 20263911 PMAQI
7th Sep 20264412 AMAQI
7th Sep 2026301 AMAQI
7th Sep 2026302 AMAQI
7th Sep 2026353 AMAQI
7th Sep 2026554 AMAQI
7th Sep 2026565 AMAQI
7th Sep 2026416 AMAQI

22°C20/23°C

7th Sep 2026267 AMAQI
7th Sep 2026408 AMAQI
7th Sep 2026309 AMAQI
7th Sep 20263410 AMAQI
7th Sep 20264211 AMAQI
7th Sep 20264612 PMAQI
7th Sep 2026411 PMAQI
7th Sep 2026442 PMAQI
7th Sep 2026363 PMAQI
7th Sep 2026414 PMAQI
7th Sep 2026365 PMAQI
7th Sep 2026486 PMAQI
7th Sep 2026297 PMAQI
7th Sep 2026568 PMAQI
7th Sep 2026239 PMAQI
7th Sep 20264210 PMAQI
7th Sep 20264011 PMAQI
8th Sep 20264612 AMAQI
8th Sep 2026491 AMAQI
8th Sep 2026372 AMAQI
8th Sep 2026273 AMAQI
8th Sep 2026324 AMAQI
8th Sep 2026455 AMAQI
8th Sep 2026386 AMAQI

20°C19/22°C

8th Sep 2026407 AMAQI
8th Sep 2026378 AMAQI
8th Sep 2026509 AMAQI
8th Sep 20263810 AMAQI
8th Sep 20265011 AMAQI
8th Sep 20264612 PMAQI
8th Sep 2026401 PMAQI
8th Sep 2026382 PMAQI
8th Sep 2026343 PMAQI
8th Sep 2026364 PMAQI
8th Sep 2026265 PMAQI
8th Sep 2026266 PMAQI
8th Sep 2026387 PMAQI
8th Sep 2026268 PMAQI
8th Sep 2026289 PMAQI
8th Sep 20265410 PMAQI
8th Sep 20263811 PMAQI
9th Sep 20264012 AMAQI
9th Sep 2026411 AMAQI
9th Sep 2026442 AMAQI
9th Sep 2026413 AMAQI
9th Sep 2026504 AMAQI
9th Sep 2026365 AMAQI
9th Sep 2026216 AMAQI

19°C18/21°C

9th Sep 2026297 AMAQI
9th Sep 2026278 AMAQI
9th Sep 2026259 AMAQI
9th Sep 20262610 AMAQI
9th Sep 20262411 AMAQI
9th Sep 20264012 PMAQI
9th Sep 2026311 PMAQI
9th Sep 2026312 PMAQI
9th Sep 2026293 PMAQI
9th Sep 2026324 PMAQI
9th Sep 2026475 PMAQI
9th Sep 2026376 PMAQI
9th Sep 2026367 PMAQI
9th Sep 2026418 PMAQI
9th Sep 2026499 PMAQI
9th Sep 20263610 PMAQI
9th Sep 20263211 PMAQI
10th Sep 20262912 AMAQI
10th Sep 2026291 AMAQI
10th Sep 2026252 AMAQI
10th Sep 2026253 AMAQI
10th Sep 2026234 AMAQI
10th Sep 2026295 AMAQI
10th Sep 2026326 AMAQI

19°C17/19°C

10th Sep 2026347 AMAQI
10th Sep 2026268 AMAQI
10th Sep 2026259 AMAQI
10th Sep 20263110 AMAQI
10th Sep 20263311 AMAQI
10th Sep 20262712 PMAQI
10th Sep 2026331 PMAQI
10th Sep 2026362 PMAQI
10th Sep 2026473 PMAQI
10th Sep 2026314 PMAQI
10th Sep 2026285 PMAQI
10th Sep 2026256 PMAQI
10th Sep 2026337 PMAQI
10th Sep 2026408 PMAQI
10th Sep 2026389 PMAQI
10th Sep 20264010 PMAQI
10th Sep 20263211 PMAQI
11th Sep 20262112 AMAQI
11th Sep 2026251 AMAQI
11th Sep 2026292 AMAQI
11th Sep 2026313 AMAQI
11th Sep 2026294 AMAQI
11th Sep 2026485 AMAQI
11th Sep 2026426 AMAQI

17°C15/20°C

11th Sep 2026407 AMAQI
11th Sep 2026448 AMAQI
11th Sep 2026299 AMAQI
11th Sep 20264010 AMAQI
11th Sep 20264011 AMAQI
11th Sep 20263212 PMAQI
11th Sep 2026361 PMAQI
11th Sep 2026302 PMAQI
11th Sep 2026363 PMAQI
11th Sep 2026534 PMAQI
11th Sep 2026465 PMAQI
11th Sep 2026586 PMAQI
11th Sep 2026407 PMAQI
11th Sep 2026318 PMAQI
11th Sep 2026379 PMAQI
11th Sep 20263210 PMAQI
11th Sep 20262911 PMAQI
12th Sep 20262812 AMAQI
12th Sep 2026221 AMAQI
12th Sep 2026242 AMAQI
12th Sep 2026253 AMAQI
12th Sep 2026254 AMAQI
12th Sep 2026255 AMAQI
12th Sep 2026296 AMAQI

18°C16/21°C

12th Sep 2026287 AMAQI
12th Sep 2026318 AMAQI
12th Sep 2026319 AMAQI
12th Sep 20262610 AMAQI
12th Sep 20262811 AMAQI
12th Sep 20263812 PMAQI
12th Sep 2026321 PMAQI
12th Sep 2026272 PMAQI
12th Sep 2026283 PMAQI
12th Sep 2026374 PMAQI
12th Sep 2026405 PMAQI
12th Sep 2026256 PMAQI
12th Sep 2026297 PMAQI
12th Sep 2026298 PMAQI
12th Sep 2026349 PMAQI
12th Sep 20263811 PMAQI
13th Sep 20263212 AMAQI
13th Sep 2026251 AMAQI
13th Sep 2026392 AMAQI
13th Sep 2026503 AMAQI
13th Sep 2026334 AMAQI
13th Sep 2026345 AMAQI
13th Sep 2026406 AMAQI

18°C15/21°C

13th Sep 2026357 AMAQI
13th Sep 2026388 AMAQI
13th Sep 2026259 AMAQI
13th Sep 20262910 AMAQI
13th Sep 20263311 AMAQI
13th Sep 20263112 PMAQI
13th Sep 2026281 PMAQI
13th Sep 2026212 PMAQI
13th Sep 2026213 PMAQI
13th Sep 2026294 PMAQI
13th Sep 2026255 PMAQI
13th Sep 2026426 PMAQI
13th Sep 2026297 PMAQI
13th Sep 2026298 PMAQI
13th Sep 2026349 PMAQI
13th Sep 20262910 PMAQI
13th Sep 20263811 PMAQI
14th Sep 20262912 AMAQI
14th Sep 2026461 AMAQI
14th Sep 2026362 AMAQI
14th Sep 2026423 AMAQI
14th Sep 2026404 AMAQI
14th Sep 2026445 AMAQI
14th Sep 2026396 AMAQI

20°C17/23°C

14th Sep 2026367 AMAQI
14th Sep 2026368 AMAQI
14th Sep 2026429 AMAQI
14th Sep 20263810 AMAQI
14th Sep 20264111 AMAQI
14th Sep 20264212 PMAQI
14th Sep 2026521 PMAQI
14th Sep 2026382 PMAQI
14th Sep 2026263 PMAQI
14th Sep 2026314 PMAQI
14th Sep 2026425 PMAQI
14th Sep 2026406 PMAQI
14th Sep 2026407 PMAQI
14th Sep 2026368 PMAQI
14th Sep 2026239 PMAQI
14th Sep 20263310 PMAQI
14th Sep 20262711 PMAQI
15th Sep 20264612 AMAQI
15th Sep 2026291 AMAQI
15th Sep 2026292 AMAQI
15th Sep 2026333 AMAQI
15th Sep 2026444 AMAQI
15th Sep 2026335 AMAQI
15th Sep 2026506 AMAQI

21°C19/24°C

15th Sep 2026507 AMAQI
15th Sep 2026508 AMAQI
15th Sep 2026369 AMAQI
15th Sep 20262610 AMAQI
15th Sep 20262911 AMAQI
15th Sep 20263212 PMAQI
15th Sep 2026361 PMAQI
15th Sep 2026322 PMAQI
15th Sep 2026383 PMAQI
15th Sep 2026384 PMAQI
15th Sep 2026405 PMAQI
15th Sep 2026386 PMAQI
15th Sep 2026387 PMAQI
15th Sep 2026268 PMAQI
15th Sep 2026349 PMAQI
15th Sep 20262810 PMAQI
15th Sep 20263411 PMAQI
16th Sep 20262712 AMAQI
16th Sep 2026311 AMAQI
16th Sep 2026412 AMAQI
16th Sep 2026383 AMAQI
16th Sep 2026374 AMAQI
16th Sep 2026365 AMAQI
16th Sep 2026366 AMAQI

21°C20/22°C

16th Sep 2026387 AMAQI
16th Sep 2026348 AMAQI
16th Sep 2026279 AMAQI
16th Sep 20263510 AMAQI
16th Sep 20264011 AMAQI
16th Sep 20262612 PMAQI
16th Sep 2026331 PMAQI
16th Sep 2026292 PMAQI
16th Sep 2026293 PMAQI
16th Sep 2026274 PMAQI
16th Sep 2026315 PMAQI
16th Sep 2026386 PMAQI
16th Sep 2026507 PMAQI
16th Sep 2026348 PMAQI
16th Sep 2026239 PMAQI
16th Sep 20264010 PMAQI
16th Sep 20263811 PMAQI
17th Sep 20263312 AMAQI
17th Sep 2026281 AMAQI
17th Sep 2026252 AMAQI
17th Sep 2026253 AMAQI
17th Sep 2026254 AMAQI
17th Sep 2026255 AMAQI
17th Sep 2026276 AMAQI

19°C18/20°C

17th Sep 2026217 AMAQI
17th Sep 2026258 AMAQI
17th Sep 2026269 AMAQI
17th Sep 20263110 AMAQI
17th Sep 20263711 AMAQI
17th Sep 20263312 PMAQI
17th Sep 2026271 PMAQI
17th Sep 2026322 PMAQI
17th Sep 2026423 PMAQI
17th Sep 2026444 PMAQI
17th Sep 2026225 PMAQI
17th Sep 2026386 PMAQI
17th Sep 2026387 PMAQI
17th Sep 2026418 PMAQI
17th Sep 2026529 PMAQI
17th Sep 20263010 PMAQI
17th Sep 20262911 PMAQI
18th Sep 20263012 AMAQI
18th Sep 2026251 AMAQI
18th Sep 2026282 AMAQI
18th Sep 2026263 AMAQI
18th Sep 2026294 AMAQI
18th Sep 2026255 AMAQI
18th Sep 2026276 AMAQI

18°C16/20°C

18th Sep 2026257 AMAQI
18th Sep 2026318 AMAQI
18th Sep 2026279 AMAQI
18th Sep 20264210 AMAQI
18th Sep 20264111 AMAQI
18th Sep 20262912 PMAQI
18th Sep 2026251 PMAQI
18th Sep 2026272 PMAQI
18th Sep 2026313 PMAQI
18th Sep 2026324 PMAQI
18th Sep 2026425 PMAQI
18th Sep 2026286 PMAQI
18th Sep 2026257 PMAQI
18th Sep 2026268 PMAQI
18th Sep 2026249 PMAQI
18th Sep 20263810 PMAQI
18th Sep 20264011 PMAQI
19th Sep 20264312 AMAQI
19th Sep 2026571 AMAQI
19th Sep 2026262 AMAQI
19th Sep 2026383 AMAQI
19th Sep 2026294 AMAQI
19th Sep 2026345 AMAQI
19th Sep 2026256 AMAQI

18°C16/20°C

19th Sep 2026337 AMAQI
19th Sep 2026298 AMAQI
19th Sep 2026369 AMAQI
19th Sep 20262910 AMAQI
19th Sep 20262911 AMAQI
19th Sep 20264012 PMAQI
19th Sep 2026441 PMAQI
19th Sep 2026292 PMAQI
19th Sep 2026293 PMAQI
19th Sep 2026244 PMAQI
19th Sep 2026295 PMAQI
19th Sep 2026236 PMAQI
19th Sep 2026217 PMAQI
19th Sep 2026258 PMAQI
19th Sep 2026269 PMAQI
19th Sep 20263010 PMAQI
19th Sep 20264611 PMAQI
20th Sep 20264412 AMAQI
20th Sep 2026261 AMAQI
20th Sep 2026442 AMAQI
20th Sep 2026333 AMAQI
20th Sep 2026374 AMAQI
20th Sep 2026385 AMAQI
20th Sep 2026266 AMAQI

18°C15/20°C

20th Sep 2026387 AMAQI
20th Sep 2026468 AMAQI
20th Sep 2026449 AMAQI
20th Sep 20264310 AMAQI
20th Sep 20263711 AMAQI
20th Sep 20264012 PMAQI
20th Sep 2026341 PMAQI
20th Sep 2026352 PMAQI
20th Sep 2026283 PMAQI
20th Sep 2026314 PMAQI
20th Sep 2026335 PMAQI
20th Sep 2026366 PMAQI
20th Sep 2026337 PMAQI
20th Sep 2026348 PMAQI
20th Sep 2026359 PMAQI
20th Sep 20263310 PMAQI
20th Sep 20263211 PMAQI
21st Sep 20263012 AMAQI
21st Sep 2026361 AMAQI
21st Sep 2026212 AMAQI
21st Sep 2026333 AMAQI
21st Sep 2026274 AMAQI
21st Sep 2026325 AMAQI
21st Sep 2026356 AMAQI

18°C16/21°C

21st Sep 2026387 AMAQI
21st Sep 2026328 AMAQI
21st Sep 2026389 AMAQI
21st Sep 20262810 AMAQI
21st Sep 20264211 AMAQI
21st Sep 20264412 PMAQI
21st Sep 2026321 PMAQI
21st Sep 2026282 PMAQI
21st Sep 2026263 PMAQI
21st Sep 2026264 PMAQI
21st Sep 2026275 PMAQI
21st Sep 2026466 PMAQI
21st Sep 2026347 PMAQI
21st Sep 2026308 PMAQI
21st Sep 2026279 PMAQI
21st Sep 20264210 PMAQI
21st Sep 20264011 PMAQI
22nd Sep 20264212 AMAQI
22nd Sep 2026271 AMAQI
22nd Sep 2026322 AMAQI
22nd Sep 2026223 AMAQI
22nd Sep 2026364 AMAQI
22nd Sep 2026315 AMAQI
22nd Sep 2026296 AMAQI

19°C16/22°C

22nd Sep 2026367 AMAQI
22nd Sep 2026448 AMAQI
22nd Sep 2026409 AMAQI
22nd Sep 20264410 AMAQI
22nd Sep 20265211 AMAQI
22nd Sep 20263412 PMAQI
22nd Sep 2026271 PMAQI
22nd Sep 2026342 PMAQI
22nd Sep 2026323 PMAQI
22nd Sep 2026394 PMAQI
22nd Sep 2026385 PMAQI
22nd Sep 2026306 PMAQI
22nd Sep 2026367 PMAQI
22nd Sep 2026388 PMAQI
22nd Sep 2026299 PMAQI
22nd Sep 20263410 PMAQI
22nd Sep 20265011 PMAQI
23rd Sep 20265112 AMAQI
23rd Sep 2026381 AMAQI
23rd Sep 2026382 AMAQI
23rd Sep 2026383 AMAQI
23rd Sep 2026384 AMAQI
23rd Sep 2026365 AMAQI
23rd Sep 2026366 AMAQI

19°C17/22°C

23rd Sep 2026407 AMAQI
23rd Sep 2026468 AMAQI
23rd Sep 2026469 AMAQI
23rd Sep 20264610 AMAQI
23rd Sep 20264011 AMAQI
23rd Sep 20264212 PMAQI
23rd Sep 2026461 PMAQI
23rd Sep 2026392 PMAQI
23rd Sep 2026423 PMAQI
23rd Sep 2026384 PMAQI
23rd Sep 2026385 PMAQI
23rd Sep 2026506 PMAQI
23rd Sep 2026447 PMAQI
23rd Sep 2026338 PMAQI
23rd Sep 2026429 PMAQI
23rd Sep 20263110 PMAQI
23rd Sep 20263311 PMAQI
24th Sep 20263812 AMAQI
24th Sep 2026291 AMAQI
24th Sep 2026352 AMAQI
24th Sep 2026323 AMAQI
24th Sep 2026324 AMAQI
24th Sep 2026505 AMAQI
24th Sep 2026246 AMAQI

19°C17/21°C

24th Sep 2026367 AMAQI
24th Sep 2026388 AMAQI
24th Sep 2026389 AMAQI
24th Sep 20263110 AMAQI
24th Sep 20262911 AMAQI
24th Sep 20263312 PMAQI
24th Sep 2026421 PMAQI
24th Sep 2026422 PMAQI
24th Sep 2026433 PMAQI
24th Sep 2026474 PMAQI
24th Sep 2026515 PMAQI
24th Sep 2026356 PMAQI
24th Sep 2026377 PMAQI
24th Sep 2026428 PMAQI
24th Sep 2026429 PMAQI
24th Sep 20265110 PMAQI
24th Sep 20264011 PMAQI
25th Sep 20264512 AMAQI
25th Sep 2026411 AMAQI
25th Sep 2026282 AMAQI
25th Sep 2026503 AMAQI
25th Sep 2026504 AMAQI
25th Sep 2026465 AMAQI
25th Sep 2026426 AMAQI

20°C18/24°C

25th Sep 2026447 AMAQI
7 AM
25th Sep 2026428 AMAQI
25th Sep 2026429 AMAQI
25th Sep 20264010 AMAQI
25th Sep 20264411 AMAQI
25th Sep 20263812 PMAQI
25th Sep 2026431 PMAQI
1 PM
25th Sep 2026442 PMAQI
25th Sep 2026463 PMAQI
25th Sep 2026414 PMAQI
25th Sep 2026495 PMAQI
25th Sep 2026486 PMAQI
25th Sep 2026487 PMAQI
25th Sep 2026468 PMAQI
8 PM
25th Sep 2026449 PMAQI
25th Sep 20264010 PMAQI
25th Sep 20263811 PMAQI
1 AM
6 AM

19°C18/20°C

Day time
Avg. Highest Time
7 AM - 8 AM

37AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
2 PM

33AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 8 AM (Avg. 37), while the lowest AQI was between 2 PM to 2 PM (Avg. 33).
Night time
Avg. Highest Time
4 AM - 11 PM

35AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
2 AM

31AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 11 PM (Avg. 35), while the lowest AQI was between 2 AM to 2 AM (Avg. 31).

2026 Days Vs Air Quality

Santander, Cantabria, Spain

2026

91%

242

9%

23

Total number of days with different AQI categories in last 268 days in 2026 (97 days remaining)

Good
242 Days
Moderate
23 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 91%

Health Risk Level:

Very Low

In 2026, 91% of 268 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

Santander, Cantabria, Spain

AQI levels in 2026

AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
37AQI (US)
2nd January 2026
44AQI (US)
3rd January 2026
32AQI (US)
4th January 2026
27AQI (US)
5th January 2026
36AQI (US)
6th January 2026
26AQI (US)
7th January 2026
28AQI (US)
8th January 2026
22AQI (US)
9th January 2026
21AQI (US)
10th January 2026
23AQI (US)
11th January 2026
24AQI (US)
12th January 2026
12AQI (US)
13th January 2026
17AQI (US)
14th January 2026
20AQI (US)
15th January 2026
25AQI (US)
16th January 2026
24AQI (US)
17th January 2026
30AQI (US)
18th January 2026
21AQI (US)
19th January 2026
24AQI (US)
20th January 2026
22AQI (US)
21st January 2026
15AQI (US)
22nd January 2026
35AQI (US)
23rd January 2026
54AQI (US)
24th January 2026
34AQI (US)
25th January 2026
40AQI (US)
26th January 2026
43AQI (US)
27th January 2026
36AQI (US)
28th January 2026
37AQI (US)
29th January 2026
40AQI (US)
30th January 2026
53AQI (US)
31st January 2026
42AQI (US)
1st February 2026
38AQI (US)
2nd February 2026
42AQI (US)
3rd February 2026
43AQI (US)
4th February 2026
44AQI (US)
5th February 2026
44AQI (US)
6th February 2026
35AQI (US)
7th February 2026
40AQI (US)
8th February 2026
41AQI (US)
9th February 2026
42AQI (US)
10th February 2026
23AQI (US)
11th February 2026
20AQI (US)
12th February 2026
44AQI (US)
13th February 2026
17AQI (US)
14th February 2026
31AQI (US)
15th February 2026
22AQI (US)
16th February 2026
20AQI (US)
17th February 2026
29AQI (US)
18th February 2026
23AQI (US)
19th February 2026
27AQI (US)
20th February 2026
28AQI (US)
21st February 2026
25AQI (US)
22nd February 2026
42AQI (US)
23rd February 2026
60AQI (US)
24th February 2026
28AQI (US)
25th February 2026
45AQI (US)
26th February 2026
54AQI (US)
27th February 2026
52AQI (US)
28th February 2026
13AQI (US)
1st March 2026
29AQI (US)
2nd March 2026
51AQI (US)
3rd March 2026
38AQI (US)
4th March 2026
52AQI (US)
5th March 2026
67AQI (US)
6th March 2026
9AQI (US)
7th March 2026
12AQI (US)
8th March 2026
30AQI (US)
9th March 2026
20AQI (US)
10th March 2026
14AQI (US)
11th March 2026
30AQI (US)
12th March 2026
32AQI (US)
13th March 2026
34AQI (US)
14th March 2026
15AQI (US)
15th March 2026
14AQI (US)
16th March 2026
18AQI (US)
17th March 2026
28AQI (US)
18th March 2026
31AQI (US)
19th March 2026
32AQI (US)
20th March 2026
26AQI (US)
21st March 2026
35AQI (US)
22nd March 2026
68AQI (US)
23rd March 2026
62AQI (US)
24th March 2026
52AQI (US)
25th March 2026
37AQI (US)
26th March 2026
14AQI (US)
27th March 2026
16AQI (US)
28th March 2026
19AQI (US)
29th March 2026
20AQI (US)
30th March 2026
19AQI (US)
31st March 2026
32AQI (US)
1st April 2026
21AQI (US)
2nd April 2026
12AQI (US)
3rd April 2026
26AQI (US)
4th April 2026
29AQI (US)
5th April 2026
34AQI (US)
6th April 2026
28AQI (US)
7th April 2026
27AQI (US)
8th April 2026
36AQI (US)
9th April 2026
45AQI (US)
10th April 2026
57AQI (US)
11th April 2026
33AQI (US)
12th April 2026
14AQI (US)
13th April 2026
12AQI (US)
14th April 2026
17AQI (US)
15th April 2026
24AQI (US)
16th April 2026
22AQI (US)
17th April 2026
18th April 2026
18AQI (US)
19th April 2026
22AQI (US)
20th April 2026
41AQI (US)
21st April 2026
52AQI (US)
22nd April 2026
23rd April 2026
26AQI (US)
24th April 2026
23AQI (US)
25th April 2026
22AQI (US)
26th April 2026
42AQI (US)
27th April 2026
42AQI (US)
28th April 2026
50AQI (US)
29th April 2026
44AQI (US)
30th April 2026
27AQI (US)
1st May 2026
37AQI (US)
2nd May 2026
26AQI (US)
3rd May 2026
22AQI (US)
4th May 2026
19AQI (US)
5th May 2026
19AQI (US)
6th May 2026
26AQI (US)
7th May 2026
30AQI (US)
8th May 2026
13AQI (US)
9th May 2026
10th May 2026
15AQI (US)
11th May 2026
18AQI (US)
12th May 2026
22AQI (US)
13th May 2026
12AQI (US)
14th May 2026
15AQI (US)
15th May 2026
20AQI (US)
16th May 2026
36AQI (US)
17th May 2026
36AQI (US)
18th May 2026
38AQI (US)
19th May 2026
39AQI (US)
20th May 2026
40AQI (US)
21st May 2026
39AQI (US)
22nd May 2026
46AQI (US)
23rd May 2026
43AQI (US)
24th May 2026
42AQI (US)
25th May 2026
38AQI (US)
26th May 2026
29AQI (US)
27th May 2026
42AQI (US)
28th May 2026
58AQI (US)
29th May 2026
56AQI (US)
30th May 2026
40AQI (US)
31st May 2026
27AQI (US)
1st June 2026
18AQI (US)
2nd June 2026
17AQI (US)
3rd June 2026
12AQI (US)
4th June 2026
14AQI (US)
5th June 2026
14AQI (US)
6th June 2026
18AQI (US)
7th June 2026
20AQI (US)
8th June 2026
19AQI (US)
9th June 2026
10AQI (US)
10th June 2026
10AQI (US)
11th June 2026
19AQI (US)
12th June 2026
19AQI (US)
13th June 2026
20AQI (US)
14th June 2026
35AQI (US)
15th June 2026
58AQI (US)
16th June 2026
27AQI (US)
17th June 2026
31AQI (US)
18th June 2026
38AQI (US)
19th June 2026
47AQI (US)
20th June 2026
54AQI (US)
21st June 2026
51AQI (US)
22nd June 2026
44AQI (US)
23rd June 2026
48AQI (US)
24th June 2026
56AQI (US)
25th June 2026
46AQI (US)
26th June 2026
33AQI (US)
27th June 2026
53AQI (US)
28th June 2026
18AQI (US)
29th June 2026
18AQI (US)
30th June 2026
16AQI (US)
1st July 2026
11AQI (US)
2nd July 2026
12AQI (US)
3rd July 2026
14AQI (US)
4th July 2026
14AQI (US)
5th July 2026
34AQI (US)
6th July 2026
40AQI (US)
7th July 2026
54AQI (US)
8th July 2026
65AQI (US)
9th July 2026
45AQI (US)
10th July 2026
48AQI (US)
11th July 2026
42AQI (US)
12th July 2026
42AQI (US)
13th July 2026
44AQI (US)
14th July 2026
35AQI (US)
15th July 2026
30AQI (US)
16th July 2026
28AQI (US)
17th July 2026
28AQI (US)
18th July 2026
30AQI (US)
19th July 2026
36AQI (US)
20th July 2026
46AQI (US)
21st July 2026
31AQI (US)
22nd July 2026
34AQI (US)
23rd July 2026
41AQI (US)
24th July 2026
66AQI (US)
25th July 2026
38AQI (US)
26th July 2026
28AQI (US)
27th July 2026
29AQI (US)
28th July 2026
32AQI (US)
29th July 2026
44AQI (US)
30th July 2026
39AQI (US)
31st July 2026
28AQI (US)
1st August 2026
32AQI (US)
2nd August 2026
33AQI (US)
3rd August 2026
40AQI (US)
4th August 2026
36AQI (US)
5th August 2026
34AQI (US)
6th August 2026
28AQI (US)
7th August 2026
30AQI (US)
8th August 2026
37AQI (US)
9th August 2026
37AQI (US)
10th August 2026
33AQI (US)
11th August 2026
40AQI (US)
12th August 2026
36AQI (US)
13th August 2026
46AQI (US)
14th August 2026
42AQI (US)
15th August 2026
30AQI (US)
16th August 2026
28AQI (US)
17th August 2026
28AQI (US)
18th August 2026
34AQI (US)
19th August 2026
44AQI (US)
20th August 2026
35AQI (US)
21st August 2026
30AQI (US)
22nd August 2026
30AQI (US)
23rd August 2026
34AQI (US)
24th August 2026
41AQI (US)
25th August 2026
34AQI (US)
26th August 2026
33AQI (US)
27th August 2026
33AQI (US)
28th August 2026
26AQI (US)
29th August 2026
30AQI (US)
30th August 2026
27AQI (US)
31st August 2026
30AQI (US)
1st September 2026
27AQI (US)
2nd September 2026
33AQI (US)
3rd September 2026
37AQI (US)
4th September 2026
39AQI (US)
5th September 2026
42AQI (US)
6th September 2026
40AQI (US)
7th September 2026
40AQI (US)
8th September 2026
38AQI (US)
9th September 2026
35AQI (US)
10th September 2026
32AQI (US)
11th September 2026
37AQI (US)
12th September 2026
30AQI (US)
13th September 2026
32AQI (US)
14th September 2026
38AQI (US)
15th September 2026
36AQI (US)
16th September 2026
34AQI (US)
17th September 2026
32AQI (US)
18th September 2026
30AQI (US)
19th September 2026
32AQI (US)
20th September 2026
36AQI (US)
21st September 2026
33AQI (US)
22nd September 2026
36AQI (US)
23rd September 2026
40AQI (US)
24th September 2026
38AQI (US)
25th September 2026
43AQI (US)
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

30AQI (US)

35AQI (US)

31AQI (US)

30AQI (US)

31AQI (US)

29AQI (US)

36AQI (US)

34AQI (US)

36AQI (US)

No. of days

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

202632AQI (US)

29
2
25
3
25
6
26
2
28
2
25
5
28
3
31
25
242
23

Highest AQI (US) recorded in

July

36AQI (US)

Lowest AQI (US) recorded in

June

29AQI (US)

202536AQI (US)

25
6
25
3
30
1
30
31
17
13
31
24
7
30
13
18
30
25
6
311
54

Highest AQI (US) recorded in

October

49AQI (US)

Lowest AQI (US) recorded in

September

28AQI (US)

202428AQI (US)

31
29
31
30
31
30
30
1
31
29
1
31
26
4
29
2
358
8

Highest AQI (US) recorded in

December

40AQI (US)

Lowest AQI (US) recorded in

January

21AQI (US)

202322AQI (US)

31
28
25
28
31
30
31
31
30
31
29
31
356

Highest AQI (US) recorded in

February

28AQI (US)

Lowest AQI (US) recorded in

November

18AQI (US)

202226AQI (US)

31
21
29
2
30
31
30
24
1
1
28
31
30
31
317
3

Highest AQI (US) recorded in

March

31AQI (US)

Lowest AQI (US) recorded in

December

19AQI (US)

202124AQI (US)

4
11
29
2
29
1
31
30
31
31
30
31
27
30
314
3

Highest AQI (US) recorded in

February

32AQI (US)

Lowest AQI (US) recorded in

January

15AQI (US)

202025AQI (US)

13
21
18
30
31
31
30
31
28
1
1
31
264
1
1

Highest AQI (US) recorded in

March

34AQI (US)

Lowest AQI (US) recorded in

December

19AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
36AQI (US)
Least Polluted Year Recorded
2023(Avg.)
22AQI (US)

Santander's annual 2026 AQI (US) (32) shows an average percentage change of 22.1% (worsened AQI (US)) compared to previous years: 2020 (25), 2021 (24), 2022 (26), 2023 (22), 2024 (28), 2025 (36).