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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Guarnizo, 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

Guarnizo, Santander, Cantabria, Spain

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
19th Sep 2024
66AQI
Lowest AQI recorded on
10th Sep 2022
12AQI

Same Day Analysis (29th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 38 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 28th Sep - 29th Sep 2026

Guarnizo, Santander, Cantabria, Spain

AQI
Day
Night
.

7 AM28th Sep 2026

8 PM

6 AM29th Sep 2026

Day time
Avg. Highest Time
1PM28th Sep

56AQI

Avg. Lowest Time
2PM28th Sep

43AQI

Night time
Avg. Highest Time
11PM28th Sep

55AQI

Avg. Lowest Time
1AM29th Sep

31AQI

In the last 24 hours,

Guarnizo's AQI reached its highest point of 56 at 1 PM during the Day, while the lowest point, 31, was recorded at 1 AM during the Night between 28th Sep and 29th Sep 2026.

Day & Night AQI Trend : Aug - Sep 2026

Guarnizo, Santander, Cantabria, Spain

AugSep
31st - 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 - 26th26th - 27th27th - 28th28th - 29th29th
Day
Night
31st Aug 2026217 AMAQI
31st Aug 2026318 AMAQI
31st Aug 2026349 AMAQI
31st Aug 20263310 AMAQI
31st Aug 20264611 AMAQI
31st Aug 20264612 PMAQI
31st Aug 2026401 PMAQI
31st Aug 2026212 PMAQI
31st Aug 2026273 PMAQI
31st Aug 2026274 PMAQI
31st Aug 2026255 PMAQI
31st Aug 2026296 PMAQI
31st Aug 2026257 PMAQI
31st Aug 2026278 PMAQI
31st Aug 2026319 PMAQI
31st Aug 20262710 PMAQI
31st Aug 20263411 PMAQI
1st Sep 20262112 AMAQI
1st Sep 2026251 AMAQI
1st Sep 2026212 AMAQI
1st Sep 2026233 AMAQI
1st Sep 2026254 AMAQI
1st Sep 2026215 AMAQI
1st Sep 2026366 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 2026213 PMAQI
1st Sep 2026234 PMAQI
1st Sep 2026245 PMAQI
1st Sep 2026346 PMAQI
1st Sep 2026257 PMAQI
1st Sep 2026348 PMAQI
1st Sep 2026339 PMAQI
1st Sep 20263110 PMAQI
1st Sep 20263311 PMAQI
2nd Sep 20263312 AMAQI
2nd Sep 2026381 AMAQI
2nd Sep 2026292 AMAQI
2nd Sep 2026313 AMAQI
2nd Sep 2026384 AMAQI
2nd Sep 2026455 AMAQI
2nd Sep 2026426 AMAQI

19°C16/21°C

2nd Sep 2026367 AMAQI
2nd Sep 2026368 AMAQI
2nd Sep 2026429 AMAQI
2nd Sep 20262910 AMAQI
2nd Sep 20264011 AMAQI
2nd Sep 20262512 PMAQI
2nd Sep 2026261 PMAQI
2nd Sep 2026262 PMAQI
2nd Sep 2026263 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 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 2026408 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 2026326 AMAQI

20°C17/23°C

4th Sep 2026327 AMAQI
4th Sep 2026428 AMAQI
4th Sep 2026409 AMAQI
4th Sep 20264210 AMAQI
4th Sep 20263311 AMAQI
4th Sep 20263512 PMAQI
4th Sep 2026401 PMAQI
4th Sep 2026422 PMAQI
4th Sep 2026413 PMAQI
4th Sep 2026464 PMAQI
4th Sep 2026445 PMAQI
4th Sep 2026386 PMAQI
4th Sep 2026557 PMAQI
4th Sep 2026408 PMAQI
4th Sep 2026409 PMAQI
4th Sep 20262310 PMAQI
4th Sep 20263811 PMAQI
5th Sep 20263612 AMAQI
5th Sep 2026221 AMAQI
5th Sep 2026382 AMAQI
5th Sep 2026523 AMAQI
5th Sep 2026544 AMAQI
5th Sep 2026465 AMAQI
5th Sep 2026436 AMAQI

21°C20/23°C

5th Sep 2026637 AMAQI
5th Sep 2026658 AMAQI
5th Sep 2026479 AMAQI
5th Sep 20266310 AMAQI
5th Sep 20266411 AMAQI
5th Sep 20265612 PMAQI
5th Sep 2026381 PMAQI
5th Sep 2026272 PMAQI
5th Sep 2026343 PMAQI
5th Sep 2026404 PMAQI
5th Sep 2026365 PMAQI
5th Sep 2026336 PMAQI
5th Sep 2026347 PMAQI
5th Sep 2026258 PMAQI
5th Sep 2026329 PMAQI
5th Sep 20263810 PMAQI
5th Sep 20263811 PMAQI
6th Sep 20264212 AMAQI
6th Sep 2026251 AMAQI
6th Sep 2026272 AMAQI
6th Sep 2026383 AMAQI
6th Sep 2026424 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 20262312 PMAQI
6th Sep 2026381 PMAQI
6th Sep 2026292 PMAQI
6th Sep 2026313 PMAQI
6th Sep 2026344 PMAQI
6th Sep 2026435 PMAQI
6th Sep 2026406 PMAQI
6th Sep 2026367 PMAQI
6th Sep 2026338 PMAQI
6th Sep 2026289 PMAQI
6th Sep 20264410 PMAQI
6th Sep 20263811 PMAQI
7th Sep 20263812 AMAQI
7th Sep 2026301 AMAQI
7th Sep 2026292 AMAQI
7th Sep 2026363 AMAQI
7th Sep 2026564 AMAQI
7th Sep 2026585 AMAQI
7th Sep 2026406 AMAQI

22°C20/23°C

7th Sep 2026257 AMAQI
7th Sep 2026408 AMAQI
7th Sep 2026369 AMAQI
7th Sep 20263910 AMAQI
7th Sep 20265211 AMAQI
7th Sep 20263812 PMAQI
7th Sep 2026401 PMAQI
7th Sep 2026442 PMAQI
7th Sep 2026343 PMAQI
7th Sep 2026364 PMAQI
7th Sep 2026365 PMAQI
7th Sep 2026506 PMAQI
7th Sep 2026257 PMAQI
7th Sep 2026558 PMAQI
7th Sep 2026239 PMAQI
7th Sep 20263810 PMAQI
7th Sep 20263411 PMAQI
8th Sep 20263812 AMAQI
8th Sep 2026401 AMAQI
8th Sep 2026252 AMAQI
8th Sep 2026293 AMAQI
8th Sep 2026274 AMAQI
8th Sep 2026385 AMAQI
8th Sep 2026386 AMAQI

20°C19/22°C

8th Sep 2026427 AMAQI
8th Sep 2026328 AMAQI
8th Sep 2026389 AMAQI
8th Sep 20263610 AMAQI
8th Sep 20265011 AMAQI
8th Sep 20264612 PMAQI
8th Sep 2026421 PMAQI
8th Sep 2026362 PMAQI
8th Sep 2026343 PMAQI
8th Sep 2026364 PMAQI
8th Sep 2026235 PMAQI
8th Sep 2026256 PMAQI
8th Sep 2026347 PMAQI
8th Sep 2026258 PMAQI
8th Sep 2026319 PMAQI
8th Sep 20263810 PMAQI
8th Sep 20263611 PMAQI
9th Sep 20264012 AMAQI
9th Sep 2026381 AMAQI
9th Sep 2026252 AMAQI
9th Sep 2026253 AMAQI
9th Sep 2026314 AMAQI
9th Sep 2026285 AMAQI
9th Sep 2026216 AMAQI

19°C18/21°C

9th Sep 2026297 AMAQI
9th Sep 2026278 AMAQI
9th Sep 2026259 AMAQI
9th Sep 20262710 AMAQI
9th Sep 20262511 AMAQI
9th Sep 20264012 PMAQI
9th Sep 2026251 PMAQI
9th Sep 2026292 PMAQI
9th Sep 2026363 PMAQI
9th Sep 2026324 PMAQI
9th Sep 2026445 PMAQI
9th Sep 2026346 PMAQI
9th Sep 2026367 PMAQI
9th Sep 2026428 PMAQI
9th Sep 2026469 PMAQI
9th Sep 20263610 PMAQI
9th Sep 20263611 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 2026306 AMAQI

19°C17/19°C

10th Sep 2026347 AMAQI
10th Sep 2026258 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 20264210 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 2026505 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 20262512 PMAQI
11th Sep 2026361 PMAQI
11th Sep 2026292 PMAQI
11th Sep 2026363 PMAQI
11th Sep 2026514 PMAQI
11th Sep 2026335 PMAQI
11th Sep 2026466 PMAQI
11th Sep 2026407 PMAQI
11th Sep 2026318 PMAQI
11th Sep 2026339 PMAQI
11th Sep 20262910 PMAQI
11th Sep 20262311 PMAQI
12th Sep 20262112 AMAQI
12th Sep 2026211 AMAQI
12th Sep 2026252 AMAQI
12th Sep 2026253 AMAQI
12th Sep 2026254 AMAQI
12th Sep 2026255 AMAQI
12th Sep 2026296 AMAQI

18°C16/21°C

12th Sep 2026237 AMAQI
12th Sep 2026238 AMAQI
12th Sep 2026239 AMAQI
12th Sep 20262110 AMAQI
12th Sep 20262711 AMAQI
12th Sep 20263812 PMAQI
12th Sep 2026321 PMAQI
12th Sep 2026272 PMAQI
12th Sep 2026293 PMAQI
12th Sep 2026384 PMAQI
12th Sep 2026405 PMAQI
12th Sep 2026256 PMAQI
12th Sep 2026297 PMAQI
12th Sep 2026298 PMAQI
12th Sep 2026299 PMAQI
12th Sep 20263311 PMAQI
13th Sep 20263312 AMAQI
13th Sep 2026271 AMAQI
13th Sep 2026442 AMAQI
13th Sep 2026523 AMAQI
13th Sep 2026334 AMAQI
13th Sep 2026345 AMAQI
13th Sep 2026346 AMAQI

18°C15/21°C

13th Sep 2026317 AMAQI
13th Sep 2026368 AMAQI
13th Sep 2026259 AMAQI
13th Sep 20262910 AMAQI
13th Sep 20263311 AMAQI
13th Sep 20263112 PMAQI
13th Sep 2026301 PMAQI
13th Sep 2026212 PMAQI
13th Sep 2026213 PMAQI
13th Sep 2026294 PMAQI
13th Sep 2026215 PMAQI
13th Sep 2026426 PMAQI
13th Sep 2026367 PMAQI
13th Sep 2026298 PMAQI
13th Sep 2026279 PMAQI
13th Sep 20262910 PMAQI
13th Sep 20263811 PMAQI
14th Sep 20262912 AMAQI
14th Sep 2026461 AMAQI
14th Sep 2026302 AMAQI
14th Sep 2026423 AMAQI
14th Sep 2026424 AMAQI
14th Sep 2026445 AMAQI
14th Sep 2026426 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 2026223 PMAQI
14th Sep 2026314 PMAQI
14th Sep 2026425 PMAQI
14th Sep 2026406 PMAQI
14th Sep 2026407 PMAQI
14th Sep 2026368 PMAQI
14th Sep 2026219 PMAQI
14th Sep 20263310 PMAQI
14th Sep 20262711 PMAQI
15th Sep 20264612 AMAQI
15th Sep 2026271 AMAQI
15th Sep 2026232 AMAQI
15th Sep 2026343 AMAQI
15th Sep 2026544 AMAQI
15th Sep 2026325 AMAQI
15th Sep 2026506 AMAQI

21°C19/24°C

15th Sep 2026507 AMAQI
15th Sep 2026508 AMAQI
15th Sep 2026429 AMAQI
15th Sep 20262710 AMAQI
15th Sep 20262511 AMAQI
15th Sep 20263312 PMAQI
15th Sep 2026381 PMAQI
15th Sep 2026302 PMAQI
15th Sep 2026423 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 20262910 PMAQI
15th Sep 20263411 PMAQI
16th Sep 20262712 AMAQI
16th Sep 2026311 AMAQI
16th Sep 2026382 AMAQI
16th Sep 2026293 AMAQI
16th Sep 2026314 AMAQI
16th Sep 2026405 AMAQI
16th Sep 2026326 AMAQI

21°C20/22°C

16th Sep 2026387 AMAQI
16th Sep 2026348 AMAQI
16th Sep 2026279 AMAQI
16th Sep 20263110 AMAQI
16th Sep 20263611 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 2026366 PMAQI
16th Sep 2026427 PMAQI
16th Sep 2026298 PMAQI
16th Sep 2026239 PMAQI
16th Sep 20264010 PMAQI
16th Sep 20263811 PMAQI
17th Sep 20263612 AMAQI
17th Sep 2026291 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 2026239 AMAQI
17th Sep 20263110 AMAQI
17th Sep 20263811 AMAQI
17th Sep 20263312 PMAQI
17th Sep 2026211 PMAQI
17th Sep 2026342 PMAQI
17th Sep 2026423 PMAQI
17th Sep 2026364 PMAQI
17th Sep 2026215 PMAQI
17th Sep 2026386 PMAQI
17th Sep 2026387 PMAQI
17th Sep 2026298 PMAQI
17th Sep 2026389 PMAQI
17th Sep 20262910 PMAQI
17th Sep 20262511 PMAQI
18th Sep 20262912 AMAQI
18th Sep 2026251 AMAQI
18th Sep 2026292 AMAQI
18th Sep 2026273 AMAQI
18th Sep 2026294 AMAQI
18th Sep 2026255 AMAQI
18th Sep 2026276 AMAQI

18°C16/20°C

18th Sep 2026257 AMAQI
18th Sep 2026298 AMAQI
18th Sep 2026259 AMAQI
18th Sep 20264010 AMAQI
18th Sep 20263811 AMAQI
18th Sep 20262912 PMAQI
18th Sep 2026251 PMAQI
18th Sep 2026272 PMAQI
18th Sep 2026293 PMAQI
18th Sep 2026364 PMAQI
18th Sep 2026425 PMAQI
18th Sep 2026276 PMAQI
18th Sep 2026257 PMAQI
18th Sep 2026308 PMAQI
18th Sep 2026259 PMAQI
18th Sep 20263410 PMAQI
18th Sep 20264011 PMAQI
19th Sep 20264212 AMAQI
19th Sep 2026551 AMAQI
19th Sep 2026242 AMAQI
19th Sep 2026333 AMAQI
19th Sep 2026294 AMAQI
19th Sep 2026385 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 2026234 PMAQI
19th Sep 2026295 PMAQI
19th Sep 2026216 PMAQI
19th Sep 2026217 PMAQI
19th Sep 2026258 PMAQI
19th Sep 2026279 PMAQI
19th Sep 20263110 PMAQI
19th Sep 20264611 PMAQI
20th Sep 20264412 AMAQI
20th Sep 2026211 AMAQI
20th Sep 2026442 AMAQI
20th Sep 2026333 AMAQI
20th Sep 2026344 AMAQI
20th Sep 2026385 AMAQI
20th Sep 2026256 AMAQI

18°C15/20°C

20th Sep 2026367 AMAQI
20th Sep 2026408 AMAQI
20th Sep 2026429 AMAQI
20th Sep 20264010 AMAQI
20th Sep 20262911 AMAQI
20th Sep 20264012 PMAQI
20th Sep 2026341 PMAQI
20th Sep 2026292 PMAQI
20th Sep 2026253 PMAQI
20th Sep 2026314 PMAQI
20th Sep 2026335 PMAQI
20th Sep 2026366 PMAQI
20th Sep 2026337 PMAQI
20th Sep 2026348 PMAQI
20th Sep 2026349 PMAQI
20th Sep 20263010 PMAQI
20th Sep 20263011 PMAQI
21st Sep 20262712 AMAQI
21st Sep 2026361 AMAQI
21st Sep 2026212 AMAQI
21st Sep 2026383 AMAQI
21st Sep 2026274 AMAQI
21st Sep 2026315 AMAQI
21st Sep 2026346 AMAQI

18°C16/21°C

21st Sep 2026387 AMAQI
21st Sep 2026328 AMAQI
21st Sep 2026389 AMAQI
21st Sep 20262910 AMAQI
21st Sep 20264211 AMAQI
21st Sep 20264412 PMAQI
21st Sep 2026361 PMAQI
21st Sep 2026252 PMAQI
21st Sep 2026253 PMAQI
21st Sep 2026254 PMAQI
21st Sep 2026285 PMAQI
21st Sep 2026526 PMAQI
21st Sep 2026327 PMAQI
21st Sep 2026318 PMAQI
21st Sep 2026279 PMAQI
21st Sep 20264210 PMAQI
21st Sep 20264011 PMAQI
22nd Sep 20263412 AMAQI
22nd Sep 2026251 AMAQI
22nd Sep 2026232 AMAQI
22nd Sep 2026213 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 2026261 PMAQI
22nd Sep 2026342 PMAQI
22nd Sep 2026333 PMAQI
22nd Sep 2026354 PMAQI
22nd Sep 2026385 PMAQI
22nd Sep 2026276 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 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 2026321 AMAQI
24th Sep 2026382 AMAQI
24th Sep 2026213 AMAQI
24th Sep 2026324 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 2026423 PMAQI
24th Sep 2026474 PMAQI
24th Sep 2026515 PMAQI
24th Sep 2026366 PMAQI
24th Sep 2026367 PMAQI
24th Sep 2026428 PMAQI
24th Sep 2026429 PMAQI
24th Sep 20265110 PMAQI
24th Sep 20264011 PMAQI
25th Sep 20262412 AMAQI
25th Sep 2026421 AMAQI
25th Sep 2026312 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
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 2026424 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 2026232 AMAQI
26th Sep 2026243 AMAQI
26th Sep 2026344 AMAQI
26th Sep 2026425 AMAQI
26th Sep 2026486 AMAQI

19°C18/20°C

26th Sep 2026527 AMAQI
26th Sep 2026558 AMAQI
26th Sep 2026369 AMAQI
26th Sep 20263210 AMAQI
26th Sep 20263611 AMAQI
26th Sep 20262312 PMAQI
26th Sep 2026251 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 2026279 PMAQI
26th Sep 20263310 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 2026385 AMAQI
27th Sep 2026326 AMAQI

19°C18/20°C

27th Sep 2026277 AMAQI
27th Sep 2026338 AMAQI
27th Sep 2026339 AMAQI
27th Sep 20263110 AMAQI
27th Sep 20263111 AMAQI
27th Sep 20263312 PMAQI
27th Sep 2026361 PMAQI
27th Sep 2026382 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 20264010 PMAQI
27th Sep 20265411 PMAQI
28th Sep 20265412 AMAQI
28th Sep 2026381 AMAQI
28th Sep 2026422 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 2026432 PMAQI
28th Sep 2026513 PMAQI
28th Sep 2026514 PMAQI
28th Sep 2026515 PMAQI
28th Sep 2026466 PMAQI
28th Sep 2026467 PMAQI
28th Sep 2026468 PMAQI
28th Sep 2026469 PMAQI
28th Sep 20265210 PMAQI
28th Sep 20265511 PMAQI
29th Sep 20265212 AMAQI
29th Sep 2026311 AMAQI
29th Sep 2026412 AMAQI
29th Sep 2026543 AMAQI
29th Sep 2026524 AMAQI
29th Sep 2026415 AMAQI
29th Sep 2026366 AMAQI

19°C19/21°C

29th Sep 2026367 AMAQI
7 AM
29th Sep 2026338 AMAQI
29th Sep 2026349 AMAQI
29th Sep 20264010 AMAQI
29th Sep 20264411 AMAQI
29th Sep 20264012 PMAQI
29th Sep 2026361 PMAQI
1 PM
29th Sep 2026282 PMAQI
29th Sep 2026303 PMAQI
29th Sep 2026254 PMAQI
29th Sep 2026285 PMAQI
29th Sep 2026386 PMAQI
29th Sep 2026387 PMAQI
29th Sep 2026408 PMAQI
8 PM
29th Sep 2026369 PMAQI
29th Sep 20263610 PMAQI
29th Sep 20264611 PMAQI
1 AM
6 AM

23°C20/27°C

Day time
Avg. Highest Time
7 AM - 8 AM

38AQI

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

32AQI

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. 38), while the lowest AQI was between 2 PM to 2 PM (Avg. 32).
Night time
Avg. Highest Time
5 AM

38AQI

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

30AQI

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. 38), while the lowest AQI was between 2 AM to 2 AM (Avg. 30).

2026 Days Vs Air Quality

Guarnizo, Santander, Cantabria, Spain

2026

91%

246

9%

23

Total number of days with different AQI categories in last 272 days in 2026 (93 days remaining)

Good
246 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 272 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

Guarnizo, 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
30AQI (US)
5th January 2026
39AQI (US)
6th January 2026
27AQI (US)
7th January 2026
28AQI (US)
8th January 2026
24AQI (US)
9th January 2026
21AQI (US)
10th January 2026
25AQI (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
30AQI (US)
17th January 2026
31AQI (US)
18th January 2026
24AQI (US)
19th January 2026
27AQI (US)
20th January 2026
25AQI (US)
21st January 2026
16AQI (US)
22nd January 2026
36AQI (US)
23rd January 2026
54AQI (US)
24th January 2026
35AQI (US)
25th January 2026
40AQI (US)
26th January 2026
42AQI (US)
27th January 2026
37AQI (US)
28th January 2026
37AQI (US)
29th January 2026
41AQI (US)
30th January 2026
52AQI (US)
31st January 2026
43AQI (US)
1st February 2026
38AQI (US)
2nd February 2026
42AQI (US)
3rd February 2026
43AQI (US)
4th February 2026
44AQI (US)
5th February 2026
45AQI (US)
6th February 2026
35AQI (US)
7th February 2026
38AQI (US)
8th February 2026
41AQI (US)
9th February 2026
42AQI (US)
10th February 2026
22AQI (US)
11th February 2026
18AQI (US)
12th February 2026
44AQI (US)
13th February 2026
17AQI (US)
14th February 2026
31AQI (US)
15th February 2026
21AQI (US)
16th February 2026
17AQI (US)
17th February 2026
28AQI (US)
18th February 2026
22AQI (US)
19th February 2026
26AQI (US)
20th February 2026
27AQI (US)
21st February 2026
24AQI (US)
22nd February 2026
43AQI (US)
23rd February 2026
60AQI (US)
24th February 2026
27AQI (US)
25th February 2026
45AQI (US)
26th February 2026
54AQI (US)
27th February 2026
52AQI (US)
28th February 2026
14AQI (US)
1st March 2026
28AQI (US)
2nd March 2026
47AQI (US)
3rd March 2026
34AQI (US)
4th March 2026
53AQI (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
13AQI (US)
11th March 2026
28AQI (US)
12th March 2026
32AQI (US)
13th March 2026
35AQI (US)
14th March 2026
14AQI (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
36AQI (US)
22nd March 2026
69AQI (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
19AQI (US)
30th March 2026
18AQI (US)
31st March 2026
30AQI (US)
1st April 2026
20AQI (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
58AQI (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
21AQI (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
23AQI (US)
25th April 2026
21AQI (US)
26th April 2026
42AQI (US)
27th April 2026
42AQI (US)
28th April 2026
48AQI (US)
29th April 2026
44AQI (US)
30th April 2026
28AQI (US)
1st May 2026
38AQI (US)
2nd May 2026
25AQI (US)
3rd May 2026
23AQI (US)
4th May 2026
19AQI (US)
5th May 2026
19AQI (US)
6th May 2026
26AQI (US)
7th May 2026
31AQI (US)
8th May 2026
14AQI (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
21AQI (US)
16th May 2026
36AQI (US)
17th May 2026
36AQI (US)
18th May 2026
39AQI (US)
19th May 2026
39AQI (US)
20th May 2026
40AQI (US)
21st May 2026
40AQI (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
43AQI (US)
28th May 2026
59AQI (US)
29th May 2026
57AQI (US)
30th May 2026
40AQI (US)
31st May 2026
28AQI (US)
1st June 2026
19AQI (US)
2nd June 2026
17AQI (US)
3rd June 2026
12AQI (US)
4th June 2026
13AQI (US)
5th June 2026
14AQI (US)
6th June 2026
18AQI (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
19AQI (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
47AQI (US)
20th June 2026
56AQI (US)
21st June 2026
52AQI (US)
22nd June 2026
45AQI (US)
23rd June 2026
51AQI (US)
24th June 2026
57AQI (US)
25th June 2026
48AQI (US)
26th June 2026
34AQI (US)
27th June 2026
54AQI (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
36AQI (US)
6th July 2026
42AQI (US)
7th July 2026
54AQI (US)
8th July 2026
65AQI (US)
9th July 2026
44AQI (US)
10th July 2026
49AQI (US)
11th July 2026
42AQI (US)
12th July 2026
44AQI (US)
13th July 2026
45AQI (US)
14th July 2026
34AQI (US)
15th July 2026
29AQI (US)
16th July 2026
28AQI (US)
17th July 2026
28AQI (US)
18th July 2026
29AQI (US)
19th July 2026
37AQI (US)
20th July 2026
47AQI (US)
21st July 2026
31AQI (US)
22nd July 2026
34AQI (US)
23rd July 2026
41AQI (US)
24th July 2026
65AQI (US)
25th July 2026
39AQI (US)
26th July 2026
28AQI (US)
27th July 2026
28AQI (US)
28th July 2026
34AQI (US)
29th July 2026
47AQI (US)
30th July 2026
38AQI (US)
31st July 2026
29AQI (US)
1st August 2026
29AQI (US)
2nd August 2026
33AQI (US)
3rd August 2026
42AQI (US)
4th August 2026
34AQI (US)
5th August 2026
31AQI (US)
6th August 2026
27AQI (US)
7th August 2026
30AQI (US)
8th August 2026
37AQI (US)
9th August 2026
35AQI (US)
10th August 2026
32AQI (US)
11th August 2026
40AQI (US)
12th August 2026
36AQI (US)
13th August 2026
45AQI (US)
14th August 2026
42AQI (US)
15th August 2026
31AQI (US)
16th August 2026
26AQI (US)
17th August 2026
28AQI (US)
18th August 2026
34AQI (US)
19th August 2026
44AQI (US)
20th August 2026
31AQI (US)
21st August 2026
27AQI (US)
22nd August 2026
29AQI (US)
23rd August 2026
33AQI (US)
24th August 2026
41AQI (US)
25th August 2026
32AQI (US)
26th August 2026
33AQI (US)
27th August 2026
33AQI (US)
28th August 2026
22AQI (US)
29th August 2026
29AQI (US)
30th August 2026
25AQI (US)
31st August 2026
29AQI (US)
1st September 2026
27AQI (US)
2nd September 2026
31AQI (US)
3rd September 2026
37AQI (US)
4th September 2026
39AQI (US)
5th September 2026
43AQI (US)
6th September 2026
39AQI (US)
7th September 2026
39AQI (US)
8th September 2026
35AQI (US)
9th September 2026
32AQI (US)
10th September 2026
31AQI (US)
11th September 2026
35AQI (US)
12th September 2026
28AQI (US)
13th September 2026
32AQI (US)
14th September 2026
37AQI (US)
15th September 2026
37AQI (US)
16th September 2026
32AQI (US)
17th September 2026
30AQI (US)
18th September 2026
30AQI (US)
19th September 2026
32AQI (US)
20th September 2026
34AQI (US)
21st September 2026
33AQI (US)
22nd September 2026
35AQI (US)
23rd September 2026
40AQI (US)
24th September 2026
38AQI (US)
25th September 2026
42AQI (US)
26th September 2026
33AQI (US)
27th September 2026
37AQI (US)
28th September 2026
48AQI (US)
29th September 2026
38AQI (US)
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

32AQI (US)

34AQI (US)

30AQI (US)

30AQI (US)

32AQI (US)

30AQI (US)

36AQI (US)

33AQI (US)

35AQI (US)

No. of days

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

202632AQI (US)

29
2
25
3
26
5
26
2
28
2
24
6
28
3
31
29
246
23

Highest AQI (US) recorded in

July

36AQI (US)

Lowest AQI (US) recorded in

June

30AQI (US)

202537AQI (US)

23
8
25
3
30
1
30
31
17
13
31
24
7
29
1
13
18
30
23
8
306
59

Highest AQI (US) recorded in

October

52AQI (US)

Lowest AQI (US) recorded in

September

28AQI (US)

202431AQI (US)

31
29
31
19
15
29
1
31
31
22
7
31
26
4
30
1
325
13

Highest AQI (US) recorded in

September

39AQI (US)

Lowest AQI (US) recorded in

January

22AQI (US)

202323AQI (US)

31
27
1
25
28
31
30
31
31
30
31
29
31
355
1

Highest AQI (US) recorded in

February

29AQI (US)

Lowest AQI (US) recorded in

July

19AQI (US)

202228AQI (US)

31
21
29
2
30
31
29
1
21
2
1
28
31
30
31
313
5

Highest AQI (US) recorded in

March

33AQI (US)

Lowest AQI (US) recorded in

January

21AQI (US)

202122AQI (US)

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

Highest AQI (US) recorded in

February

26AQI (US)

Lowest AQI (US) recorded in

January

16AQI (US)

202019AQI (US)

13
21
18
30
31
31
30
30
1
28
31
263
1

Highest AQI (US) recorded in

March

30AQI (US)

Lowest AQI (US) recorded in

August

15AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
37AQI (US)
Least Polluted Year Recorded
2020(Avg.)
19AQI (US)

Guarnizo's annual 2026 AQI (US) (32) shows an average percentage change of 26.1% (worsened AQI (US)) compared to previous years: 2020 (19), 2021 (22), 2022 (28), 2023 (23), 2024 (31), 2025 (37).