Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Cros, 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+

October Air Quality Analysis

Cros, Santander, Cantabria, Spain

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
17th Oct 2025
75AQI
Lowest AQI recorded on
16th Oct 2022
11AQI

Same Day Analysis (1st October):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 32 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 30th Sep - 1st Oct 2026

Cros, Santander, Cantabria, Spain

AQI
Day
Night
.

7 AM30th Sep 2026

8 PM

6 AM1st Oct 2026

Day time
Avg. Highest Time
11AM30th Sep

49AQI

Avg. Lowest Time
4PM30th Sep

33AQI

Night time
Avg. Highest Time
9PM30th Sep

66AQI

Avg. Lowest Time
3AM1st Oct

21AQI

In the last 24 hours,

Cros's AQI reached its highest point of 66 at 9 PM during the Night, while the lowest point, 21, was recorded at 3 AM during the Night between 30th Sep and 1st Oct 2026.

Day & Night AQI Trend : Sep - Oct 2026

Cros, Santander, Cantabria, Spain

SepOct
02nd - 03rd03rd - 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 - 01st01st
Day
Night
2nd Sep 2026517 AMAQI
2nd Sep 2026428 AMAQI
2nd Sep 2026429 AMAQI
2nd Sep 20262910 AMAQI
2nd Sep 20264011 AMAQI
2nd Sep 20262312 PMAQI
2nd Sep 2026251 PMAQI
2nd Sep 2026322 PMAQI
2nd Sep 2026303 PMAQI
2nd Sep 2026214 PMAQI
2nd Sep 2026215 PMAQI
2nd Sep 2026296 PMAQI
2nd Sep 2026257 PMAQI
2nd Sep 2026258 PMAQI
2nd Sep 2026259 PMAQI
2nd Sep 20262910 PMAQI
2nd Sep 20263611 PMAQI
3rd Sep 20263112 AMAQI
3rd Sep 2026271 AMAQI
3rd Sep 2026292 AMAQI
3rd Sep 2026253 AMAQI
3rd Sep 2026214 AMAQI
3rd Sep 2026385 AMAQI
3rd Sep 2026506 AMAQI

20°C18/21°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 2026328 PMAQI
3rd Sep 2026409 PMAQI
3rd Sep 20263210 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 2026256 AMAQI

20°C17/22°C

4th Sep 2026307 AMAQI
4th Sep 2026428 AMAQI
4th Sep 2026409 AMAQI
4th Sep 20264210 AMAQI
4th Sep 20263311 AMAQI
4th Sep 20263412 PMAQI
4th Sep 2026491 PMAQI
4th Sep 2026412 PMAQI
4th Sep 2026403 PMAQI
4th Sep 2026464 PMAQI
4th Sep 2026425 PMAQI
4th Sep 2026566 PMAQI
4th Sep 2026557 PMAQI
4th Sep 2026408 PMAQI
4th Sep 2026389 PMAQI
4th Sep 20262510 PMAQI
4th Sep 20263811 PMAQI
5th Sep 20263712 AMAQI
5th Sep 2026211 AMAQI
5th Sep 2026382 AMAQI
5th Sep 2026213 AMAQI
5th Sep 2026584 AMAQI
5th Sep 2026445 AMAQI
5th Sep 2026406 AMAQI

21°C20/23°C

5th Sep 2026637 AMAQI
5th Sep 2026658 AMAQI
5th Sep 2026449 AMAQI
5th Sep 20266310 AMAQI
5th Sep 20266311 AMAQI
5th Sep 20265612 PMAQI
5th Sep 2026381 PMAQI
5th Sep 2026422 PMAQI
5th Sep 2026343 PMAQI
5th Sep 2026404 PMAQI
5th Sep 2026365 PMAQI
5th Sep 2026336 PMAQI
5th Sep 2026387 PMAQI
5th Sep 2026258 PMAQI
5th Sep 2026349 PMAQI
5th Sep 20263810 PMAQI
5th Sep 20263811 PMAQI
6th Sep 20264212 AMAQI
6th Sep 2026231 AMAQI
6th Sep 2026262 AMAQI
6th Sep 2026543 AMAQI
6th Sep 2026404 AMAQI
6th Sep 2026585 AMAQI
6th Sep 2026586 AMAQI

21°C19/23°C

6th Sep 2026547 AMAQI
6th Sep 2026518 AMAQI
6th Sep 2026389 AMAQI
6th Sep 20265010 AMAQI
6th Sep 20263611 AMAQI
6th Sep 20262712 PMAQI
6th Sep 2026401 PMAQI
6th Sep 2026282 PMAQI
6th Sep 2026283 PMAQI
6th Sep 2026284 PMAQI
6th Sep 2026415 PMAQI
6th Sep 2026406 PMAQI
6th Sep 2026367 PMAQI
6th Sep 2026428 PMAQI
6th Sep 2026249 PMAQI
6th Sep 20264410 PMAQI
6th Sep 20263811 PMAQI
7th Sep 20264612 AMAQI
7th Sep 2026301 AMAQI
7th Sep 2026262 AMAQI
7th Sep 2026343 AMAQI
7th Sep 2026564 AMAQI
7th Sep 2026585 AMAQI
7th Sep 2026406 AMAQI

22°C20/23°C

7th Sep 2026237 AMAQI
7th Sep 2026408 AMAQI
7th Sep 2026369 AMAQI
7th Sep 20263810 AMAQI
7th Sep 20264211 AMAQI
7th Sep 20265212 PMAQI
7th Sep 2026401 PMAQI
7th Sep 2026442 PMAQI
7th Sep 2026453 PMAQI
7th Sep 2026444 PMAQI
7th Sep 2026375 PMAQI
7th Sep 2026506 PMAQI
7th Sep 2026257 PMAQI
7th Sep 2026578 PMAQI
7th Sep 2026239 PMAQI
7th Sep 20264610 PMAQI
7th Sep 20264011 PMAQI
8th Sep 20264812 AMAQI
8th Sep 2026521 AMAQI
8th Sep 2026422 AMAQI
8th Sep 2026253 AMAQI
8th Sep 2026364 AMAQI
8th Sep 2026515 AMAQI
8th Sep 2026386 AMAQI

20°C19/22°C

8th Sep 2026427 AMAQI
8th Sep 2026388 AMAQI
8th Sep 2026549 AMAQI
8th Sep 20263810 AMAQI
8th Sep 20265011 AMAQI
8th Sep 20264612 PMAQI
8th Sep 2026421 PMAQI
8th Sep 2026362 PMAQI
8th Sep 2026343 PMAQI
8th Sep 2026314 PMAQI
8th Sep 2026295 PMAQI
8th Sep 2026276 PMAQI
8th Sep 2026407 PMAQI
8th Sep 2026278 PMAQI
8th Sep 2026279 PMAQI
8th Sep 20266010 PMAQI
8th Sep 20263611 PMAQI
9th Sep 20264012 AMAQI
9th Sep 2026421 AMAQI
9th Sep 2026482 AMAQI
9th Sep 2026463 AMAQI
9th Sep 2026544 AMAQI
9th Sep 2026405 AMAQI
9th Sep 2026216 AMAQI

19°C18/21°C

9th Sep 2026297 AMAQI
9th Sep 2026278 AMAQI
9th Sep 2026259 AMAQI
9th Sep 20262510 AMAQI
9th Sep 20262311 AMAQI
9th Sep 20264012 PMAQI
9th Sep 2026331 PMAQI
9th Sep 2026332 PMAQI
9th Sep 2026273 PMAQI
9th Sep 2026324 PMAQI
9th Sep 2026485 PMAQI
9th Sep 2026326 PMAQI
9th Sep 2026347 PMAQI
9th Sep 2026388 PMAQI
9th Sep 2026469 PMAQI
9th Sep 20263410 PMAQI
9th Sep 20262211 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 2026346 AMAQI

19°C17/19°C

10th Sep 2026367 AMAQI
10th Sep 2026278 AMAQI
10th Sep 2026259 AMAQI
10th Sep 20263110 AMAQI
10th Sep 20263311 AMAQI
10th Sep 20262712 PMAQI
10th Sep 2026331 PMAQI
10th Sep 2026382 PMAQI
10th Sep 2026463 PMAQI
10th Sep 2026314 PMAQI
10th Sep 2026275 PMAQI
10th Sep 2026216 PMAQI
10th Sep 2026307 PMAQI
10th Sep 2026408 PMAQI
10th Sep 2026389 PMAQI
10th Sep 20263210 PMAQI
10th Sep 20263211 PMAQI
11th Sep 20262112 AMAQI
11th Sep 2026251 AMAQI
11th Sep 2026292 AMAQI
11th Sep 2026293 AMAQI
11th Sep 2026294 AMAQI
11th Sep 2026445 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 20262712 PMAQI
11th Sep 2026361 PMAQI
11th Sep 2026292 PMAQI
11th Sep 2026363 PMAQI
11th Sep 2026544 PMAQI
11th Sep 2026515 PMAQI
11th Sep 2026626 PMAQI
11th Sep 2026387 PMAQI
11th Sep 2026318 PMAQI
11th Sep 2026389 PMAQI
11th Sep 20263310 PMAQI
11th Sep 20262511 PMAQI
12th Sep 20263112 AMAQI
12th Sep 2026211 AMAQI
12th Sep 2026232 AMAQI
12th Sep 2026253 AMAQI
12th Sep 2026254 AMAQI
12th Sep 2026255 AMAQI
12th Sep 2026296 AMAQI

18°C16/21°C

12th Sep 2026347 AMAQI
12th Sep 2026368 AMAQI
12th Sep 2026369 AMAQI
12th Sep 20263310 AMAQI
12th Sep 20263311 AMAQI
12th Sep 20263812 PMAQI
12th Sep 2026321 PMAQI
12th Sep 2026272 PMAQI
12th Sep 2026293 PMAQI
12th Sep 2026384 PMAQI
12th Sep 2026445 PMAQI
12th Sep 2026256 PMAQI
12th Sep 2026297 PMAQI
12th Sep 2026298 PMAQI
12th Sep 2026369 PMAQI
12th Sep 20264011 PMAQI
13th Sep 20263312 AMAQI
13th Sep 2026231 AMAQI
13th Sep 2026422 AMAQI
13th Sep 2026523 AMAQI
13th Sep 2026334 AMAQI
13th Sep 2026345 AMAQI
13th Sep 2026426 AMAQI

18°C15/21°C

13th Sep 2026467 AMAQI
13th Sep 2026428 AMAQI
13th Sep 2026259 AMAQI
13th Sep 20262910 AMAQI
13th Sep 20263311 AMAQI
13th Sep 20263112 PMAQI
13th Sep 2026321 PMAQI
13th Sep 2026212 PMAQI
13th Sep 2026213 PMAQI
13th Sep 2026294 PMAQI
13th Sep 2026365 PMAQI
13th Sep 2026426 PMAQI
13th Sep 2026257 PMAQI
13th Sep 2026298 PMAQI
13th Sep 2026369 PMAQI
13th Sep 20262910 PMAQI
13th Sep 20263811 PMAQI
14th Sep 20262912 AMAQI
14th Sep 2026461 AMAQI
14th Sep 2026382 AMAQI
14th Sep 2026423 AMAQI
14th Sep 2026424 AMAQI
14th Sep 2026445 AMAQI
14th Sep 2026386 AMAQI

20°C17/23°C

14th Sep 2026367 AMAQI
14th Sep 2026368 AMAQI
14th Sep 2026429 AMAQI
14th Sep 20263610 AMAQI
14th Sep 20263811 AMAQI
14th Sep 20264212 PMAQI
14th Sep 2026521 PMAQI
14th Sep 2026382 PMAQI
14th Sep 2026253 PMAQI
14th Sep 2026314 PMAQI
14th Sep 2026425 PMAQI
14th Sep 2026406 PMAQI
14th Sep 2026407 PMAQI
14th Sep 2026368 PMAQI
14th Sep 2026299 PMAQI
14th Sep 20263310 PMAQI
14th Sep 20262711 PMAQI
15th Sep 20264612 AMAQI
15th Sep 2026321 AMAQI
15th Sep 2026212 AMAQI
15th Sep 2026343 AMAQI
15th Sep 2026404 AMAQI
15th Sep 2026325 AMAQI
15th Sep 2026506 AMAQI

21°C19/24°C

15th Sep 2026507 AMAQI
15th Sep 2026508 AMAQI
15th Sep 2026329 AMAQI
15th Sep 20262710 AMAQI
15th Sep 20262911 AMAQI
15th Sep 20263312 PMAQI
15th Sep 2026381 PMAQI
15th Sep 2026302 PMAQI
15th Sep 2026323 PMAQI
15th Sep 2026384 PMAQI
15th Sep 2026385 PMAQI
15th Sep 2026386 PMAQI
15th Sep 2026387 PMAQI
15th Sep 2026258 PMAQI
15th Sep 2026349 PMAQI
15th Sep 20262710 PMAQI
15th Sep 20263411 PMAQI
16th Sep 20262712 AMAQI
16th Sep 2026311 AMAQI
16th Sep 2026422 AMAQI
16th Sep 2026463 AMAQI
16th Sep 2026424 AMAQI
16th Sep 2026325 AMAQI
16th Sep 2026386 AMAQI

21°C20/22°C

16th Sep 2026387 AMAQI
16th Sep 2026348 AMAQI
16th Sep 2026279 AMAQI
16th Sep 20263610 AMAQI
16th Sep 20264211 AMAQI
16th Sep 20262712 PMAQI
16th Sep 2026331 PMAQI
16th Sep 2026312 PMAQI
16th Sep 2026293 PMAQI
16th Sep 2026274 PMAQI
16th Sep 2026315 PMAQI
16th Sep 2026426 PMAQI
16th Sep 2026567 PMAQI
16th Sep 2026388 PMAQI
16th Sep 2026239 PMAQI
16th Sep 20263110 PMAQI
16th Sep 20263611 PMAQI
17th Sep 20262712 AMAQI
17th Sep 2026271 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 2026259 AMAQI
17th Sep 20263110 AMAQI
17th Sep 20263411 AMAQI
17th Sep 20263312 PMAQI
17th Sep 2026331 PMAQI
17th Sep 2026302 PMAQI
17th Sep 2026423 PMAQI
17th Sep 2026474 PMAQI
17th Sep 2026255 PMAQI
17th Sep 2026386 PMAQI
17th Sep 2026387 PMAQI
17th Sep 2026458 PMAQI
17th Sep 2026569 PMAQI
17th Sep 20262910 PMAQI
17th Sep 20262511 PMAQI
18th Sep 20262512 AMAQI
18th Sep 2026251 AMAQI
18th Sep 2026292 AMAQI
18th Sep 2026253 AMAQI
18th Sep 2026294 AMAQI
18th Sep 2026255 AMAQI
18th Sep 2026276 AMAQI

18°C16/20°C

18th Sep 2026257 AMAQI
18th Sep 2026388 AMAQI
18th Sep 2026339 AMAQI
18th Sep 20264210 AMAQI
18th Sep 20264211 AMAQI
18th Sep 20262912 PMAQI
18th Sep 2026251 PMAQI
18th Sep 2026272 PMAQI
18th Sep 2026303 PMAQI
18th Sep 2026304 PMAQI
18th Sep 2026425 PMAQI
18th Sep 2026296 PMAQI
18th Sep 2026257 PMAQI
18th Sep 2026218 PMAQI
18th Sep 2026219 PMAQI
18th Sep 20264210 PMAQI
18th Sep 20264011 PMAQI
19th Sep 20264012 AMAQI
19th Sep 2026551 AMAQI
19th Sep 2026272 AMAQI
19th Sep 2026333 AMAQI
19th Sep 2026294 AMAQI
19th Sep 2026305 AMAQI
19th Sep 2026256 AMAQI

18°C16/19°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 2026234 PMAQI
19th Sep 2026295 PMAQI
19th Sep 2026296 PMAQI
19th Sep 2026217 PMAQI
19th Sep 2026238 PMAQI
19th Sep 2026219 PMAQI
19th Sep 20262710 PMAQI
19th Sep 20264611 PMAQI
20th Sep 20264412 AMAQI
20th Sep 2026231 AMAQI
20th Sep 2026442 AMAQI
20th Sep 2026333 AMAQI
20th Sep 2026384 AMAQI
20th Sep 2026385 AMAQI
20th Sep 2026256 AMAQI

17°C15/20°C

20th Sep 2026387 AMAQI
20th Sep 2026488 AMAQI
20th Sep 2026469 AMAQI
20th Sep 20265210 AMAQI
20th Sep 20264011 AMAQI
20th Sep 20264012 PMAQI
20th Sep 2026341 PMAQI
20th Sep 2026292 PMAQI
20th Sep 2026293 PMAQI
20th Sep 2026314 PMAQI
20th Sep 2026335 PMAQI
20th Sep 2026366 PMAQI
20th Sep 2026337 PMAQI
20th Sep 2026348 PMAQI
20th Sep 2026339 PMAQI
20th Sep 20263010 PMAQI
20th Sep 20263211 PMAQI
21st Sep 20262712 AMAQI
21st Sep 2026361 AMAQI
21st Sep 2026212 AMAQI
21st Sep 2026303 AMAQI
21st Sep 2026274 AMAQI
21st Sep 2026335 AMAQI
21st Sep 2026366 AMAQI

18°C16/21°C

21st Sep 2026387 AMAQI
21st Sep 2026328 AMAQI
21st Sep 2026389 AMAQI
21st Sep 20262710 AMAQI
21st Sep 20264211 AMAQI
21st Sep 20264412 PMAQI
21st Sep 2026301 PMAQI
21st Sep 2026352 PMAQI
21st Sep 2026283 PMAQI
21st Sep 2026304 PMAQI
21st Sep 2026285 PMAQI
21st Sep 2026416 PMAQI
21st Sep 2026367 PMAQI
21st Sep 2026328 PMAQI
21st Sep 2026279 PMAQI
21st Sep 20264210 PMAQI
21st Sep 20264011 PMAQI
22nd Sep 20263412 AMAQI
22nd Sep 2026291 AMAQI
22nd Sep 2026232 AMAQI
22nd Sep 2026213 AMAQI
22nd Sep 2026364 AMAQI
22nd Sep 2026325 AMAQI
22nd Sep 2026306 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 20264012 PMAQI
22nd Sep 2026401 PMAQI
22nd Sep 2026392 PMAQI
22nd Sep 2026453 PMAQI
22nd Sep 2026464 PMAQI
22nd Sep 2026385 PMAQI
22nd Sep 2026336 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°C18/22°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 2026382 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 2026231 AMAQI
24th Sep 2026382 AMAQI
24th Sep 2026383 AMAQI
24th Sep 2026304 AMAQI
24th Sep 2026505 AMAQI
24th Sep 2026226 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 2026463 PMAQI
24th Sep 2026484 PMAQI
24th Sep 2026515 PMAQI
24th Sep 2026386 PMAQI
24th Sep 2026407 PMAQI
24th Sep 2026428 PMAQI
24th Sep 2026409 PMAQI
24th Sep 20265210 PMAQI
24th Sep 20264211 PMAQI
25th Sep 20264412 AMAQI
25th Sep 2026421 AMAQI
25th Sep 2026272 AMAQI
25th Sep 2026503 AMAQI
25th Sep 2026504 AMAQI
25th Sep 2026465 AMAQI
25th Sep 2026426 AMAQI

21°C18/24°C

25th Sep 2026447 AMAQI
25th Sep 2026428 AMAQI
25th Sep 2026429 AMAQI
25th Sep 20264010 AMAQI
25th Sep 20264411 AMAQI
25th Sep 20263812 PMAQI
25th Sep 2026421 PMAQI
25th Sep 2026442 PMAQI
25th Sep 2026463 PMAQI
25th Sep 2026384 PMAQI
25th Sep 2026465 PMAQI
25th Sep 2026466 PMAQI
25th Sep 2026467 PMAQI
25th Sep 2026448 PMAQI
25th Sep 2026449 PMAQI
25th Sep 20263810 PMAQI
25th Sep 20263811 PMAQI
26th Sep 20263812 AMAQI
26th Sep 2026301 AMAQI
26th Sep 2026272 AMAQI
26th Sep 2026303 AMAQI
26th Sep 2026344 AMAQI
26th Sep 2026425 AMAQI
26th Sep 2026486 AMAQI

19°C18/20°C

26th Sep 2026527 AMAQI
26th Sep 2026588 AMAQI
26th Sep 2026369 AMAQI
26th Sep 20263210 AMAQI
26th Sep 20263611 AMAQI
26th Sep 20262912 PMAQI
26th Sep 2026231 PMAQI
26th Sep 2026252 PMAQI
26th Sep 2026253 PMAQI
26th Sep 2026254 PMAQI
26th Sep 2026255 PMAQI
26th Sep 2026256 PMAQI
26th Sep 2026317 PMAQI
26th Sep 2026468 PMAQI
26th Sep 2026259 PMAQI
26th Sep 20263110 PMAQI
26th Sep 20263311 PMAQI
27th Sep 20262712 AMAQI
27th Sep 2026251 AMAQI
27th Sep 2026272 AMAQI
27th Sep 2026423 AMAQI
27th Sep 2026364 AMAQI
27th Sep 2026365 AMAQI
27th Sep 2026216 AMAQI

19°C18/20°C

27th Sep 2026337 AMAQI
27th Sep 2026338 AMAQI
27th Sep 2026339 AMAQI
27th Sep 20263110 AMAQI
27th Sep 20262911 AMAQI
27th Sep 20263112 PMAQI
27th Sep 2026361 PMAQI
27th Sep 2026402 PMAQI
27th Sep 2026423 PMAQI
27th Sep 2026404 PMAQI
27th Sep 2026385 PMAQI
27th Sep 2026446 PMAQI
27th Sep 2026467 PMAQI
27th Sep 2026448 PMAQI
27th Sep 2026469 PMAQI
27th Sep 20264210 PMAQI
27th Sep 20265411 PMAQI
28th Sep 20265412 AMAQI
28th Sep 2026381 AMAQI
28th Sep 2026402 AMAQI
28th Sep 2026503 AMAQI
28th Sep 2026504 AMAQI
28th Sep 2026485 AMAQI
28th Sep 2026466 AMAQI

19°C17/21°C

28th Sep 2026467 AMAQI
28th Sep 2026468 AMAQI
28th Sep 2026469 AMAQI
28th Sep 20264610 AMAQI
28th Sep 20265211 AMAQI
28th Sep 20265512 PMAQI
28th Sep 2026561 PMAQI
28th Sep 2026422 PMAQI
28th Sep 2026513 PMAQI
28th Sep 2026524 PMAQI
28th Sep 2026485 PMAQI
28th Sep 2026476 PMAQI
28th Sep 2026467 PMAQI
28th Sep 2026468 PMAQI
28th Sep 2026469 PMAQI
28th Sep 20265210 PMAQI
28th Sep 20265511 PMAQI
29th Sep 20263812 AMAQI
29th Sep 2026271 AMAQI
29th Sep 2026402 AMAQI
29th Sep 2026543 AMAQI
29th Sep 2026524 AMAQI
29th Sep 2026405 AMAQI
29th Sep 2026346 AMAQI

19°C19/21°C

29th Sep 2026367 AMAQI
29th Sep 2026338 AMAQI
29th Sep 2026349 AMAQI
29th Sep 20264010 AMAQI
29th Sep 20264411 AMAQI
29th Sep 20264012 PMAQI
29th Sep 2026361 PMAQI
29th Sep 2026282 PMAQI
29th Sep 2026323 PMAQI
29th Sep 2026254 PMAQI
29th Sep 2026275 PMAQI
29th Sep 2026386 PMAQI
29th Sep 2026387 PMAQI
29th Sep 2026408 PMAQI
29th Sep 2026369 PMAQI
29th Sep 20263610 PMAQI
29th Sep 20264611 PMAQI
30th Sep 20264212 AMAQI
30th Sep 2026521 AMAQI
30th Sep 2026302 AMAQI
30th Sep 2026303 AMAQI
30th Sep 2026384 AMAQI
30th Sep 2026505 AMAQI
30th Sep 2026526 AMAQI

24°C20/27°C

30th Sep 2026497 AMAQI
30th Sep 2026468 AMAQI
30th Sep 2026489 AMAQI
30th Sep 20264810 AMAQI
30th Sep 20264911 AMAQI
30th Sep 20264612 PMAQI
30th Sep 2026461 PMAQI
30th Sep 2026422 PMAQI
30th Sep 2026403 PMAQI
30th Sep 2026334 PMAQI
30th Sep 2026365 PMAQI
30th Sep 2026346 PMAQI
30th Sep 2026407 PMAQI
30th Sep 2026338 PMAQI
30th Sep 2026669 PMAQI
30th Sep 20265610 PMAQI
30th Sep 20265311 PMAQI
1st Oct 20262912 AMAQI
1st Oct 2026421 AMAQI
1st Oct 2026232 AMAQI
1st Oct 2026213 AMAQI
1st Oct 2026234 AMAQI
1st Oct 2026295 AMAQI
1st Oct 2026256 AMAQI

20°C17/26°C

1st Oct 2026257 AMAQI
7 AM
1st Oct 2026278 AMAQI
1st Oct 2026299 AMAQI
1st Oct 20261010 AMAQI
1st Oct 20262111 AMAQI
1st Oct 20262312 PMAQI
1st Oct 2026251 PMAQI
1 PM
1st Oct 2026272 PMAQI
1st Oct 2026423 PMAQI
1st Oct 2026364 PMAQI
1st Oct 2026365 PMAQI
1st Oct 2026546 PMAQI
1st Oct 2026507 PMAQI
1st Oct 2026518 PMAQI
8 PM
1st Oct 2026509 PMAQI
1st Oct 20262910 PMAQI
1st Oct 20262911 PMAQI
1 AM
6 AM

18°C17/19°C

Day time
Avg. Highest Time
7 AM - 8 AM

40AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
2 PM - 8 PM

36AQI

7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 8 AM (Avg. 40), while the lowest AQI was between 2 PM to 8 PM (Avg. 36).
Night time
Avg. Highest Time
5 AM

39AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
2 AM

32AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 5 AM (Avg. 39), while the lowest AQI was between 2 AM to 2 AM (Avg. 32).

2026 Days Vs Air Quality

Cros, Santander, Cantabria, Spain

2026

92%

248

8%

23

Total number of days with different AQI categories in last 274 days in 2026 (91 days remaining)

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

Under WHO’s Safe Air Quality Limits: 92%

Health Risk Level:

Very Low

In 2026, 92% of 274 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

Cros, 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
38AQI (US)
2nd January 2026
47AQI (US)
3rd January 2026
34AQI (US)
4th January 2026
31AQI (US)
5th January 2026
39AQI (US)
6th January 2026
27AQI (US)
7th January 2026
30AQI (US)
8th January 2026
24AQI (US)
9th January 2026
21AQI (US)
10th January 2026
24AQI (US)
11th January 2026
26AQI (US)
12th January 2026
14AQI (US)
13th January 2026
18AQI (US)
14th January 2026
20AQI (US)
15th January 2026
26AQI (US)
16th January 2026
29AQI (US)
17th January 2026
31AQI (US)
18th January 2026
24AQI (US)
19th January 2026
27AQI (US)
20th January 2026
25AQI (US)
21st January 2026
17AQI (US)
22nd January 2026
36AQI (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
52AQI (US)
31st January 2026
42AQI (US)
1st February 2026
38AQI (US)
2nd February 2026
42AQI (US)
3rd February 2026
43AQI (US)
4th February 2026
43AQI (US)
5th February 2026
44AQI (US)
6th February 2026
35AQI (US)
7th February 2026
41AQI (US)
8th February 2026
41AQI (US)
9th February 2026
42AQI (US)
10th February 2026
23AQI (US)
11th February 2026
20AQI (US)
12th February 2026
43AQI (US)
13th February 2026
16AQI (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
27AQI (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
53AQI (US)
3rd March 2026
39AQI (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
15AQI (US)
11th March 2026
30AQI (US)
12th March 2026
31AQI (US)
13th March 2026
34AQI (US)
14th March 2026
15AQI (US)
15th March 2026
15AQI (US)
16th March 2026
18AQI (US)
17th March 2026
28AQI (US)
18th March 2026
30AQI (US)
19th March 2026
31AQI (US)
20th March 2026
26AQI (US)
21st March 2026
34AQI (US)
22nd March 2026
69AQI (US)
23rd March 2026
61AQI (US)
24th March 2026
52AQI (US)
25th March 2026
36AQI (US)
26th March 2026
14AQI (US)
27th March 2026
16AQI (US)
28th March 2026
20AQI (US)
29th March 2026
19AQI (US)
30th March 2026
19AQI (US)
31st March 2026
32AQI (US)
1st April 2026
21AQI (US)
2nd April 2026
12AQI (US)
3rd April 2026
25AQI (US)
4th April 2026
29AQI (US)
5th April 2026
34AQI (US)
6th April 2026
28AQI (US)
7th April 2026
26AQI (US)
8th April 2026
37AQI (US)
9th April 2026
45AQI (US)
10th April 2026
57AQI (US)
11th April 2026
34AQI (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
21AQI (US)
20th April 2026
41AQI (US)
21st April 2026
52AQI (US)
22nd April 2026
23rd April 2026
26AQI (US)
24th April 2026
22AQI (US)
25th April 2026
21AQI (US)
26th April 2026
42AQI (US)
27th April 2026
42AQI (US)
28th April 2026
49AQI (US)
29th April 2026
44AQI (US)
30th April 2026
27AQI (US)
1st May 2026
37AQI (US)
2nd May 2026
26AQI (US)
3rd May 2026
23AQI (US)
4th May 2026
19AQI (US)
5th May 2026
18AQI (US)
6th May 2026
25AQI (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
21AQI (US)
13th May 2026
12AQI (US)
14th May 2026
14AQI (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
44AQI (US)
24th May 2026
42AQI (US)
25th May 2026
38AQI (US)
26th May 2026
29AQI (US)
27th May 2026
41AQI (US)
28th May 2026
58AQI (US)
29th May 2026
56AQI (US)
30th May 2026
41AQI (US)
31st May 2026
28AQI (US)
1st June 2026
18AQI (US)
2nd June 2026
17AQI (US)
3rd June 2026
11AQI (US)
4th June 2026
13AQI (US)
5th June 2026
13AQI (US)
6th June 2026
19AQI (US)
7th June 2026
21AQI (US)
8th June 2026
19AQI (US)
9th June 2026
10AQI (US)
10th June 2026
9AQI (US)
11th June 2026
19AQI (US)
12th June 2026
19AQI (US)
13th June 2026
18AQI (US)
14th June 2026
34AQI (US)
15th June 2026
59AQI (US)
16th June 2026
27AQI (US)
17th June 2026
30AQI (US)
18th June 2026
38AQI (US)
19th June 2026
48AQI (US)
20th June 2026
56AQI (US)
21st June 2026
51AQI (US)
22nd June 2026
43AQI (US)
23rd June 2026
43AQI (US)
24th June 2026
52AQI (US)
25th June 2026
44AQI (US)
26th June 2026
32AQI (US)
27th June 2026
53AQI (US)
28th June 2026
19AQI (US)
29th June 2026
18AQI (US)
30th June 2026
16AQI (US)
1st July 2026
10AQI (US)
2nd July 2026
11AQI (US)
3rd July 2026
15AQI (US)
4th July 2026
13AQI (US)
5th July 2026
28AQI (US)
6th July 2026
34AQI (US)
7th July 2026
52AQI (US)
8th July 2026
65AQI (US)
9th July 2026
48AQI (US)
10th July 2026
48AQI (US)
11th July 2026
43AQI (US)
12th July 2026
39AQI (US)
13th July 2026
41AQI (US)
14th July 2026
37AQI (US)
15th July 2026
33AQI (US)
16th July 2026
29AQI (US)
17th July 2026
28AQI (US)
18th July 2026
30AQI (US)
19th July 2026
36AQI (US)
20th July 2026
47AQI (US)
21st July 2026
31AQI (US)
22nd July 2026
33AQI (US)
23rd July 2026
41AQI (US)
24th July 2026
67AQI (US)
25th July 2026
38AQI (US)
26th July 2026
28AQI (US)
27th July 2026
30AQI (US)
28th July 2026
32AQI (US)
29th July 2026
44AQI (US)
30th July 2026
38AQI (US)
31st July 2026
28AQI (US)
1st August 2026
29AQI (US)
2nd August 2026
32AQI (US)
3rd August 2026
39AQI (US)
4th August 2026
38AQI (US)
5th August 2026
34AQI (US)
6th August 2026
29AQI (US)
7th August 2026
31AQI (US)
8th August 2026
38AQI (US)
9th August 2026
37AQI (US)
10th August 2026
34AQI (US)
11th August 2026
41AQI (US)
12th August 2026
35AQI (US)
13th August 2026
46AQI (US)
14th August 2026
46AQI (US)
15th August 2026
33AQI (US)
16th August 2026
30AQI (US)
17th August 2026
29AQI (US)
18th August 2026
36AQI (US)
19th August 2026
45AQI (US)
20th August 2026
36AQI (US)
21st August 2026
33AQI (US)
22nd August 2026
30AQI (US)
23rd August 2026
34AQI (US)
24th August 2026
41AQI (US)
25th August 2026
33AQI (US)
26th August 2026
35AQI (US)
27th August 2026
33AQI (US)
28th August 2026
26AQI (US)
29th August 2026
31AQI (US)
30th August 2026
28AQI (US)
31st August 2026
31AQI (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
39AQI (US)
7th September 2026
40AQI (US)
8th September 2026
40AQI (US)
9th September 2026
35AQI (US)
10th September 2026
31AQI (US)
11th September 2026
36AQI (US)
12th September 2026
31AQI (US)
13th September 2026
33AQI (US)
14th September 2026
38AQI (US)
15th September 2026
35AQI (US)
16th September 2026
35AQI (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
37AQI (US)
23rd September 2026
40AQI (US)
24th September 2026
39AQI (US)
25th September 2026
43AQI (US)
26th September 2026
34AQI (US)
27th September 2026
36AQI (US)
28th September 2026
48AQI (US)
29th September 2026
37AQI (US)
30th September 2026
44AQI (US)
1st October 2026
32AQI (US)
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

32AQI (US)

35AQI (US)

31AQI (US)

30AQI (US)

31AQI (US)

29AQI (US)

35AQI (US)

35AQI (US)

36AQI (US)

32AQI (US)

No. of days

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

202633AQI (US)

29
2
25
3
25
6
26
2
28
2
25
5
28
3
31
30
1
248
23

Highest AQI (US) recorded in

September

36AQI (US)

Lowest AQI (US) recorded in

June

29AQI (US)

202537AQI (US)

25
6
25
3
30
1
30
31
17
13
30
1
24
7
29
1
13
18
30
22
9
306
59

Highest AQI (US) recorded in

October

51AQI (US)

Lowest AQI (US) recorded in

September

27AQI (US)

202426AQI (US)

30
29
31
30
31
30
30
1
30
25
31
26
4
30
1
353
6

Highest AQI (US) recorded in

December

38AQI (US)

Lowest AQI (US) recorded in

January

21AQI (US)

202323AQI (US)

30
26
2
25
28
31
30
31
31
30
31
29
31
353
2

Highest AQI (US) recorded in

February

31AQI (US)

Lowest AQI (US) recorded in

November

18AQI (US)

202225AQI (US)

30
1
21
30
1
30
31
29
21
1
1
28
31
30
31
313
3

Highest AQI (US) recorded in

March

30AQI (US)

Lowest AQI (US) recorded in

December

19AQI (US)

202125AQI (US)

4
11
30
1
29
1
31
30
31
31
30
31
27
30
315
2

Highest AQI (US) recorded in

February

30AQI (US)

Lowest AQI (US) recorded in

January

18AQI (US)

202029AQI (US)

13
21
18
30
31
31
29
1
31
12
1
1
15
231
1
1
1

Highest AQI (US) recorded in

November

79AQI (US)

Lowest AQI (US) recorded in

December

20AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
37AQI (US)
Least Polluted Year Recorded
2023(Avg.)
23AQI (US)

Cros's annual 2026 AQI (US) (33) shows an average percentage change of 22.8% (worsened AQI (US)) compared to previous years: 2020 (29), 2021 (25), 2022 (25), 2023 (23), 2024 (26), 2025 (37).