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
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
19th Sep 2024
66AQILowest AQI recorded on
10th Sep 2022
12AQISame Day Analysis (20th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Guarnizo, Santander, Cantabria, Spain
AQI
Day
Night
.
7 AM20th Sep 2025
8 PM
6 AM21st Sep 2025
Day time
Avg. Highest Time
9AM20th Sep
41AQI
Avg. Lowest Time
6PM20th Sep
34AQI
Night time
Avg. Highest Time
10PM20th Sep
39AQI
Avg. Lowest Time
5AM21st Sep
19AQI
In the last 24 hours,
Guarnizo's AQI reached its highest point of 41 at 9 AM during the Day, while the lowest point, 19, was recorded at 5 AM during the Night between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Guarnizo, Santander, Cantabria, Spain
AugSep
22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st
Day
Night
22nd Aug 2025307 AMAQI
22nd Aug 2025308 AMAQI
22nd Aug 2025329 AMAQI
22nd Aug 20253110 AMAQI
22nd Aug 20253111 AMAQI
22nd Aug 20253212 PMAQI
22nd Aug 2025311 PMAQI
22nd Aug 2025282 PMAQI
22nd Aug 2025303 PMAQI
22nd Aug 2025324 PMAQI
22nd Aug 2025325 PMAQI
22nd Aug 2025316 PMAQI
22nd Aug 2025317 PMAQI
22nd Aug 2025328 PMAQI
22nd Aug 2025329 PMAQI
22nd Aug 20253210 PMAQI
22nd Aug 20253211 PMAQI
23rd Aug 20253212 AMAQI
23rd Aug 2025321 AMAQI
23rd Aug 2025302 AMAQI
23rd Aug 2025293 AMAQI
23rd Aug 2025284 AMAQI
23rd Aug 2025285 AMAQI
23rd Aug 2025286 AMAQI
19°C17/21°C
23rd Aug 2025287 AMAQI
23rd Aug 2025288 AMAQI
23rd Aug 2025279 AMAQI
23rd Aug 20252810 AMAQI
23rd Aug 20253111 AMAQI
23rd Aug 20253212 PMAQI
23rd Aug 2025311 PMAQI
23rd Aug 2025302 PMAQI
23rd Aug 2025303 PMAQI
23rd Aug 2025294 PMAQI
23rd Aug 2025295 PMAQI
23rd Aug 2025286 PMAQI
23rd Aug 2025297 PMAQI
23rd Aug 2025308 PMAQI
23rd Aug 2025309 PMAQI
23rd Aug 20253010 PMAQI
23rd Aug 20253111 PMAQI
24th Aug 20253212 AMAQI
24th Aug 2025311 AMAQI
24th Aug 2025332 AMAQI
24th Aug 2025333 AMAQI
24th Aug 2025344 AMAQI
24th Aug 2025355 AMAQI
24th Aug 2025326 AMAQI
20°C16/23°C
24th Aug 2025367 AMAQI
24th Aug 2025378 AMAQI
24th Aug 2025359 AMAQI
24th Aug 20253510 AMAQI
24th Aug 20253411 AMAQI
24th Aug 20253612 PMAQI
24th Aug 2025321 PMAQI
24th Aug 2025362 PMAQI
24th Aug 2025343 PMAQI
24th Aug 2025334 PMAQI
24th Aug 2025335 PMAQI
24th Aug 2025356 PMAQI
24th Aug 2025357 PMAQI
24th Aug 2025328 PMAQI
24th Aug 2025329 PMAQI
24th Aug 20253210 PMAQI
24th Aug 20253211 PMAQI
25th Aug 20253312 AMAQI
25th Aug 2025321 AMAQI
25th Aug 2025302 AMAQI
25th Aug 2025323 AMAQI
25th Aug 2025324 AMAQI
25th Aug 2025315 AMAQI
25th Aug 2025346 AMAQI
21°C18/24°C
25th Aug 2025347 AMAQI
25th Aug 2025378 AMAQI
25th Aug 2025359 AMAQI
25th Aug 20254110 AMAQI
25th Aug 20254611 AMAQI
25th Aug 20254612 PMAQI
25th Aug 2025361 PMAQI
25th Aug 2025352 PMAQI
25th Aug 2025323 PMAQI
25th Aug 2025324 PMAQI
25th Aug 2025385 PMAQI
25th Aug 2025386 PMAQI
25th Aug 2025367 PMAQI
25th Aug 2025418 PMAQI
25th Aug 2025349 PMAQI
25th Aug 20253210 PMAQI
25th Aug 20253111 PMAQI
26th Aug 20253112 AMAQI
26th Aug 2025321 AMAQI
26th Aug 2025352 AMAQI
26th Aug 2025473 AMAQI
26th Aug 2025444 AMAQI
26th Aug 2025465 AMAQI
26th Aug 2025446 AMAQI
21°C20/23°C
26th Aug 2025487 AMAQI
26th Aug 2025488 AMAQI
26th Aug 2025509 AMAQI
26th Aug 20255710 AMAQI
26th Aug 20255811 AMAQI
26th Aug 20255512 PMAQI
26th Aug 2025461 PMAQI
26th Aug 2025412 PMAQI
26th Aug 2025413 PMAQI
26th Aug 2025464 PMAQI
26th Aug 2025495 PMAQI
26th Aug 2025506 PMAQI
26th Aug 2025447 PMAQI
26th Aug 2025478 PMAQI
26th Aug 2025459 PMAQI
26th Aug 20254510 PMAQI
26th Aug 20254311 PMAQI
27th Aug 20254312 AMAQI
27th Aug 2025431 AMAQI
27th Aug 2025392 AMAQI
27th Aug 2025513 AMAQI
27th Aug 2025564 AMAQI
27th Aug 2025485 AMAQI
27th Aug 2025386 AMAQI
21°C19/22°C
27th Aug 2025327 AMAQI
27th Aug 2025308 AMAQI
27th Aug 2025369 AMAQI
27th Aug 20252910 AMAQI
27th Aug 20253511 AMAQI
27th Aug 20253712 PMAQI
27th Aug 2025411 PMAQI
27th Aug 2025372 PMAQI
27th Aug 2025403 PMAQI
27th Aug 2025414 PMAQI
27th Aug 2025375 PMAQI
27th Aug 2025396 PMAQI
27th Aug 2025367 PMAQI
27th Aug 2025388 PMAQI
27th Aug 2025389 PMAQI
27th Aug 20253810 PMAQI
27th Aug 20253811 PMAQI
28th Aug 20253912 AMAQI
28th Aug 2025361 AMAQI
28th Aug 2025392 AMAQI
28th Aug 2025403 AMAQI
28th Aug 2025344 AMAQI
28th Aug 2025235 AMAQI
28th Aug 2025186 AMAQI
20°C18/20°C
28th Aug 2025237 AMAQI
28th Aug 2025248 AMAQI
28th Aug 2025269 AMAQI
28th Aug 20253110 AMAQI
28th Aug 20253111 AMAQI
28th Aug 20253012 PMAQI
28th Aug 2025301 PMAQI
28th Aug 2025302 PMAQI
28th Aug 2025313 PMAQI
28th Aug 2025294 PMAQI
28th Aug 2025345 PMAQI
28th Aug 2025326 PMAQI
28th Aug 2025347 PMAQI
28th Aug 2025318 PMAQI
28th Aug 2025329 PMAQI
28th Aug 20253110 PMAQI
28th Aug 20253111 PMAQI
29th Aug 20253112 AMAQI
29th Aug 2025311 AMAQI
29th Aug 2025262 AMAQI
29th Aug 2025233 AMAQI
29th Aug 2025224 AMAQI
29th Aug 2025245 AMAQI
29th Aug 2025226 AMAQI
19°C18/21°C
29th Aug 2025217 AMAQI
29th Aug 2025268 AMAQI
29th Aug 2025269 AMAQI
29th Aug 20252410 AMAQI
29th Aug 20252511 AMAQI
29th Aug 20253312 PMAQI
29th Aug 2025241 PMAQI
29th Aug 2025252 PMAQI
29th Aug 2025243 PMAQI
29th Aug 2025264 PMAQI
29th Aug 2025265 PMAQI
29th Aug 2025276 PMAQI
29th Aug 2025287 PMAQI
29th Aug 2025288 PMAQI
29th Aug 2025279 PMAQI
29th Aug 20252710 PMAQI
29th Aug 20252511 PMAQI
30th Aug 20252512 AMAQI
30th Aug 2025241 AMAQI
30th Aug 2025242 AMAQI
30th Aug 2025203 AMAQI
30th Aug 2025224 AMAQI
30th Aug 2025225 AMAQI
30th Aug 2025216 AMAQI
20°C18/22°C
30th Aug 2025227 AMAQI
30th Aug 2025198 AMAQI
30th Aug 2025209 AMAQI
30th Aug 20252110 AMAQI
30th Aug 20252211 AMAQI
30th Aug 20251912 PMAQI
30th Aug 2025201 PMAQI
30th Aug 2025192 PMAQI
30th Aug 2025203 PMAQI
30th Aug 2025224 PMAQI
30th Aug 2025205 PMAQI
30th Aug 2025196 PMAQI
30th Aug 2025217 PMAQI
30th Aug 2025238 PMAQI
30th Aug 2025209 PMAQI
30th Aug 20252110 PMAQI
30th Aug 20252111 PMAQI
31st Aug 20252012 AMAQI
31st Aug 2025211 AMAQI
31st Aug 2025202 AMAQI
31st Aug 2025223 AMAQI
31st Aug 2025204 AMAQI
31st Aug 2025195 AMAQI
31st Aug 2025236 AMAQI
21°C18/23°C
31st Aug 2025237 AMAQI
31st Aug 2025288 AMAQI
31st Aug 2025299 AMAQI
31st Aug 20252410 AMAQI
31st Aug 20252311 AMAQI
31st Aug 20251912 PMAQI
31st Aug 2025221 PMAQI
31st Aug 2025202 PMAQI
31st Aug 2025223 PMAQI
31st Aug 2025224 PMAQI
31st Aug 2025225 PMAQI
31st Aug 2025226 PMAQI
31st Aug 2025247 PMAQI
31st Aug 2025258 PMAQI
31st Aug 2025239 PMAQI
31st Aug 20252410 PMAQI
31st Aug 20252211 PMAQI
1st Sep 20252212 AMAQI
1st Sep 2025221 AMAQI
1st Sep 2025252 AMAQI
1st Sep 2025253 AMAQI
1st Sep 2025244 AMAQI
1st Sep 2025255 AMAQI
1st Sep 2025226 AMAQI
18°C17/20°C
1st Sep 2025217 AMAQI
1st Sep 2025218 AMAQI
1st Sep 2025209 AMAQI
1st Sep 20252410 AMAQI
1st Sep 20252211 AMAQI
1st Sep 20252212 PMAQI
1st Sep 2025231 PMAQI
1st Sep 2025222 PMAQI
1st Sep 2025223 PMAQI
1st Sep 2025264 PMAQI
1st Sep 2025255 PMAQI
1st Sep 2025266 PMAQI
1st Sep 2025267 PMAQI
1st Sep 2025268 PMAQI
1st Sep 2025249 PMAQI
1st Sep 20252310 PMAQI
1st Sep 20252411 PMAQI
2nd Sep 20252412 AMAQI
2nd Sep 2025241 AMAQI
2nd Sep 2025252 AMAQI
2nd Sep 2025223 AMAQI
2nd Sep 2025234 AMAQI
2nd Sep 2025225 AMAQI
2nd Sep 2025216 AMAQI
19°C17/20°C
2nd Sep 2025177 AMAQI
2nd Sep 2025188 AMAQI
2nd Sep 2025209 AMAQI
2nd Sep 20252010 AMAQI
2nd Sep 20252111 AMAQI
2nd Sep 20252412 PMAQI
2nd Sep 2025241 PMAQI
2nd Sep 2025242 PMAQI
2nd Sep 2025243 PMAQI
2nd Sep 2025204 PMAQI
2nd Sep 2025245 PMAQI
2nd Sep 2025256 PMAQI
2nd Sep 2025267 PMAQI
2nd Sep 2025288 PMAQI
2nd Sep 2025269 PMAQI
2nd Sep 20252410 PMAQI
2nd Sep 20252411 PMAQI
3rd Sep 20252412 AMAQI
3rd Sep 2025251 AMAQI
3rd Sep 2025292 AMAQI
3rd Sep 2025273 AMAQI
3rd Sep 2025244 AMAQI
3rd Sep 2025285 AMAQI
3rd Sep 2025266 AMAQI
19°C16/23°C
3rd Sep 2025267 AMAQI
3rd Sep 2025308 AMAQI
3rd Sep 2025309 AMAQI
3rd Sep 20252610 AMAQI
3rd Sep 20252811 AMAQI
3rd Sep 20252812 PMAQI
3rd Sep 2025311 PMAQI
3rd Sep 2025282 PMAQI
3rd Sep 2025293 PMAQI
3rd Sep 2025304 PMAQI
3rd Sep 2025305 PMAQI
3rd Sep 2025326 PMAQI
3rd Sep 2025337 PMAQI
3rd Sep 2025328 PMAQI
3rd Sep 2025299 PMAQI
3rd Sep 20252810 PMAQI
3rd Sep 20252811 PMAQI
4th Sep 20252712 AMAQI
4th Sep 2025271 AMAQI
4th Sep 2025322 AMAQI
4th Sep 2025323 AMAQI
4th Sep 2025314 AMAQI
4th Sep 2025285 AMAQI
4th Sep 2025236 AMAQI
20°C18/23°C
4th Sep 2025237 AMAQI
4th Sep 2025218 AMAQI
4th Sep 2025229 AMAQI
4th Sep 20252510 AMAQI
4th Sep 20252211 AMAQI
4th Sep 20252212 PMAQI
4th Sep 2025231 PMAQI
4th Sep 2025222 PMAQI
4th Sep 2025223 PMAQI
4th Sep 2025204 PMAQI
4th Sep 2025215 PMAQI
4th Sep 2025226 PMAQI
4th Sep 2025267 PMAQI
4th Sep 2025258 PMAQI
4th Sep 2025269 PMAQI
4th Sep 20252710 PMAQI
4th Sep 20252611 PMAQI
5th Sep 20252512 AMAQI
5th Sep 2025261 AMAQI
5th Sep 2025252 AMAQI
5th Sep 2025243 AMAQI
5th Sep 2025244 AMAQI
5th Sep 2025225 AMAQI
5th Sep 2025246 AMAQI
19°C18/21°C
5th Sep 2025247 AMAQI
5th Sep 2025268 AMAQI
5th Sep 2025269 AMAQI
5th Sep 20252610 AMAQI
5th Sep 20253011 AMAQI
5th Sep 20252712 PMAQI
5th Sep 2025261 PMAQI
5th Sep 2025242 PMAQI
5th Sep 2025243 PMAQI
5th Sep 2025254 PMAQI
5th Sep 2025245 PMAQI
5th Sep 2025246 PMAQI
5th Sep 2025247 PMAQI
5th Sep 2025238 PMAQI
5th Sep 2025249 PMAQI
5th Sep 20252510 PMAQI
5th Sep 20252611 PMAQI
6th Sep 20252512 AMAQI
6th Sep 2025241 AMAQI
6th Sep 2025232 AMAQI
6th Sep 2025223 AMAQI
6th Sep 2025244 AMAQI
6th Sep 2025285 AMAQI
6th Sep 2025306 AMAQI
19°C17/22°C
6th Sep 2025297 AMAQI
6th Sep 2025228 AMAQI
6th Sep 2025229 AMAQI
6th Sep 20252410 AMAQI
6th Sep 20252611 AMAQI
6th Sep 20252512 PMAQI
6th Sep 2025261 PMAQI
6th Sep 2025262 PMAQI
6th Sep 2025263 PMAQI
6th Sep 2025264 PMAQI
6th Sep 2025285 PMAQI
6th Sep 2025286 PMAQI
6th Sep 2025267 PMAQI
6th Sep 2025268 PMAQI
6th Sep 2025259 PMAQI
6th Sep 20252410 PMAQI
6th Sep 20252611 PMAQI
7th Sep 20252612 AMAQI
7th Sep 2025261 AMAQI
7th Sep 2025262 AMAQI
7th Sep 2025263 AMAQI
7th Sep 2025304 AMAQI
7th Sep 2025245 AMAQI
7th Sep 2025246 AMAQI
22°C18/30°C
7th Sep 2025227 AMAQI
7th Sep 2025238 AMAQI
7th Sep 2025289 AMAQI
7th Sep 20253010 AMAQI
7th Sep 20252711 AMAQI
7th Sep 20252712 PMAQI
7th Sep 2025301 PMAQI
7th Sep 2025282 PMAQI
7th Sep 2025273 PMAQI
7th Sep 2025254 PMAQI
7th Sep 2025265 PMAQI
7th Sep 2025246 PMAQI
7th Sep 2025257 PMAQI
7th Sep 2025248 PMAQI
7th Sep 2025249 PMAQI
7th Sep 20252510 PMAQI
7th Sep 20252511 PMAQI
8th Sep 20252512 AMAQI
8th Sep 2025261 AMAQI
8th Sep 2025312 AMAQI
8th Sep 2025263 AMAQI
8th Sep 2025264 AMAQI
8th Sep 2025245 AMAQI
8th Sep 2025266 AMAQI
21°C18/24°C
8th Sep 2025227 AMAQI
8th Sep 2025258 AMAQI
8th Sep 2025249 AMAQI
8th Sep 20252210 AMAQI
8th Sep 20252211 AMAQI
8th Sep 20252312 PMAQI
8th Sep 2025251 PMAQI
8th Sep 2025242 PMAQI
8th Sep 2025243 PMAQI
8th Sep 2025244 PMAQI
8th Sep 2025225 PMAQI
8th Sep 2025236 PMAQI
8th Sep 2025247 PMAQI
8th Sep 2025248 PMAQI
8th Sep 2025279 PMAQI
8th Sep 20252710 PMAQI
8th Sep 20252411 PMAQI
9th Sep 20252612 AMAQI
9th Sep 2025271 AMAQI
9th Sep 2025242 AMAQI
9th Sep 2025213 AMAQI
9th Sep 2025204 AMAQI
9th Sep 2025185 AMAQI
9th Sep 2025186 AMAQI
17°C16/17°C
9th Sep 2025197 AMAQI
9th Sep 2025188 AMAQI
9th Sep 2025199 AMAQI
9th Sep 20252010 AMAQI
9th Sep 20252511 AMAQI
9th Sep 20252412 PMAQI
9th Sep 2025211 PMAQI
9th Sep 2025212 PMAQI
9th Sep 2025223 PMAQI
9th Sep 2025224 PMAQI
9th Sep 2025225 PMAQI
9th Sep 2025226 PMAQI
9th Sep 2025207 PMAQI
9th Sep 2025208 PMAQI
9th Sep 2025229 PMAQI
9th Sep 20252210 PMAQI
9th Sep 20252211 PMAQI
10th Sep 20252212 AMAQI
10th Sep 2025231 AMAQI
10th Sep 2025222 AMAQI
10th Sep 2025223 AMAQI
10th Sep 2025224 AMAQI
10th Sep 2025215 AMAQI
10th Sep 2025226 AMAQI
17°C15/19°C
10th Sep 2025227 AMAQI
10th Sep 2025208 AMAQI
10th Sep 2025219 AMAQI
10th Sep 20252210 AMAQI
10th Sep 20252211 AMAQI
10th Sep 20252112 PMAQI
10th Sep 2025221 PMAQI
10th Sep 2025222 PMAQI
10th Sep 2025193 PMAQI
10th Sep 2025204 PMAQI
10th Sep 2025225 PMAQI
10th Sep 2025226 PMAQI
10th Sep 2025257 PMAQI
10th Sep 2025278 PMAQI
10th Sep 2025239 PMAQI
10th Sep 20252210 PMAQI
10th Sep 20252311 PMAQI
11th Sep 20252312 AMAQI
11th Sep 2025231 AMAQI
11th Sep 2025322 AMAQI
11th Sep 2025343 AMAQI
11th Sep 2025344 AMAQI
11th Sep 2025345 AMAQI
11th Sep 2025336 AMAQI
18°C17/20°C
11th Sep 2025337 AMAQI
11th Sep 2025328 AMAQI
11th Sep 2025339 AMAQI
11th Sep 20253010 AMAQI
11th Sep 20252811 AMAQI
11th Sep 20252712 PMAQI
11th Sep 2025281 PMAQI
11th Sep 2025262 PMAQI
11th Sep 2025243 PMAQI
11th Sep 2025244 PMAQI
11th Sep 2025265 PMAQI
11th Sep 2025276 PMAQI
11th Sep 2025297 PMAQI
11th Sep 2025288 PMAQI
11th Sep 2025289 PMAQI
11th Sep 20253010 PMAQI
11th Sep 20252911 PMAQI
12th Sep 20253012 AMAQI
12th Sep 2025291 AMAQI
12th Sep 2025262 AMAQI
12th Sep 2025253 AMAQI
12th Sep 2025264 AMAQI
12th Sep 2025255 AMAQI
12th Sep 2025286 AMAQI
19°C17/20°C
12th Sep 2025267 AMAQI
12th Sep 2025278 AMAQI
12th Sep 2025249 AMAQI
12th Sep 20252510 AMAQI
12th Sep 20252711 AMAQI
12th Sep 20253012 PMAQI
12th Sep 2025301 PMAQI
12th Sep 2025242 PMAQI
12th Sep 2025253 PMAQI
12th Sep 2025244 PMAQI
12th Sep 2025265 PMAQI
12th Sep 2025276 PMAQI
12th Sep 2025257 PMAQI
12th Sep 2025238 PMAQI
12th Sep 2025269 PMAQI
12th Sep 20252610 PMAQI
12th Sep 20252811 PMAQI
13th Sep 20252712 AMAQI
13th Sep 2025261 AMAQI
13th Sep 2025282 AMAQI
13th Sep 2025303 AMAQI
13th Sep 2025264 AMAQI
13th Sep 2025245 AMAQI
13th Sep 2025266 AMAQI
18°C17/18°C
13th Sep 2025267 AMAQI
13th Sep 2025268 AMAQI
13th Sep 2025299 AMAQI
13th Sep 20252610 AMAQI
13th Sep 20252711 AMAQI
13th Sep 20252412 PMAQI
13th Sep 2025261 PMAQI
13th Sep 2025272 PMAQI
13th Sep 2025283 PMAQI
13th Sep 2025274 PMAQI
13th Sep 2025265 PMAQI
13th Sep 2025266 PMAQI
13th Sep 2025267 PMAQI
13th Sep 2025258 PMAQI
13th Sep 2025249 PMAQI
13th Sep 20252610 PMAQI
13th Sep 20252611 PMAQI
14th Sep 20252512 AMAQI
14th Sep 2025251 AMAQI
14th Sep 2025212 AMAQI
14th Sep 2025203 AMAQI
14th Sep 2025214 AMAQI
14th Sep 2025205 AMAQI
14th Sep 2025226 AMAQI
18°C16/20°C
14th Sep 2025227 AMAQI
14th Sep 2025248 AMAQI
14th Sep 2025229 AMAQI
14th Sep 20252010 AMAQI
14th Sep 20252711 AMAQI
14th Sep 20252312 PMAQI
14th Sep 2025231 PMAQI
14th Sep 2025242 PMAQI
14th Sep 2025233 PMAQI
14th Sep 2025224 PMAQI
14th Sep 2025215 PMAQI
14th Sep 2025206 PMAQI
14th Sep 2025207 PMAQI
14th Sep 2025268 PMAQI
14th Sep 2025219 PMAQI
14th Sep 20252310 PMAQI
14th Sep 20252211 PMAQI
15th Sep 20252212 AMAQI
15th Sep 2025221 AMAQI
15th Sep 2025222 AMAQI
15th Sep 2025283 AMAQI
15th Sep 2025184 AMAQI
15th Sep 2025225 AMAQI
15th Sep 2025206 AMAQI
21°C17/23°C
15th Sep 2025217 AMAQI
15th Sep 2025248 AMAQI
15th Sep 2025259 AMAQI
15th Sep 20252410 AMAQI
15th Sep 20252411 AMAQI
15th Sep 20252212 PMAQI
15th Sep 2025241 PMAQI
15th Sep 2025232 PMAQI
15th Sep 2025233 PMAQI
15th Sep 2025244 PMAQI
15th Sep 2025225 PMAQI
15th Sep 2025226 PMAQI
15th Sep 2025227 PMAQI
15th Sep 2025208 PMAQI
15th Sep 2025219 PMAQI
15th Sep 20252110 PMAQI
15th Sep 20252111 PMAQI
16th Sep 20252212 AMAQI
16th Sep 2025211 AMAQI
16th Sep 2025222 AMAQI
16th Sep 2025233 AMAQI
16th Sep 2025234 AMAQI
16th Sep 2025215 AMAQI
16th Sep 2025226 AMAQI
19°C18/20°C
16th Sep 2025247 AMAQI
16th Sep 2025218 AMAQI
16th Sep 2025249 AMAQI
16th Sep 20252410 AMAQI
16th Sep 20252411 AMAQI
16th Sep 20252512 PMAQI
16th Sep 2025241 PMAQI
16th Sep 2025222 PMAQI
16th Sep 2025223 PMAQI
16th Sep 2025244 PMAQI
16th Sep 2025235 PMAQI
16th Sep 2025236 PMAQI
16th Sep 2025227 PMAQI
16th Sep 2025258 PMAQI
16th Sep 2025249 PMAQI
16th Sep 20252210 PMAQI
16th Sep 20252211 PMAQI
17th Sep 20252212 AMAQI
17th Sep 2025231 AMAQI
17th Sep 2025202 AMAQI
17th Sep 2025243 AMAQI
17th Sep 2025244 AMAQI
17th Sep 2025265 AMAQI
17th Sep 2025266 AMAQI
19°C17/21°C
17th Sep 2025197 AMAQI
17th Sep 2025228 AMAQI
17th Sep 2025249 AMAQI
17th Sep 20252810 AMAQI
17th Sep 20252811 AMAQI
17th Sep 20253312 PMAQI
17th Sep 2025321 PMAQI
17th Sep 2025292 PMAQI
17th Sep 2025293 PMAQI
17th Sep 2025284 PMAQI
17th Sep 2025265 PMAQI
17th Sep 2025286 PMAQI
17th Sep 2025307 PMAQI
17th Sep 2025298 PMAQI
17th Sep 2025299 PMAQI
17th Sep 20252610 PMAQI
17th Sep 20252611 PMAQI
18th Sep 20252612 AMAQI
18th Sep 2025261 AMAQI
18th Sep 2025262 AMAQI
18th Sep 2025273 AMAQI
18th Sep 2025264 AMAQI
18th Sep 2025315 AMAQI
18th Sep 2025346 AMAQI
19°C17/22°C
18th Sep 2025357 AMAQI
18th Sep 2025358 AMAQI
18th Sep 2025389 AMAQI
18th Sep 20253710 AMAQI
18th Sep 20253311 AMAQI
18th Sep 20253312 PMAQI
18th Sep 2025371 PMAQI
18th Sep 2025322 PMAQI
18th Sep 2025333 PMAQI
18th Sep 2025334 PMAQI
18th Sep 2025325 PMAQI
18th Sep 2025326 PMAQI
18th Sep 2025337 PMAQI
18th Sep 2025348 PMAQI
18th Sep 2025339 PMAQI
18th Sep 20253310 PMAQI
18th Sep 20253211 PMAQI
19th Sep 20253212 AMAQI
19th Sep 2025331 AMAQI
19th Sep 2025372 AMAQI
19th Sep 2025383 AMAQI
19th Sep 2025364 AMAQI
19th Sep 2025355 AMAQI
19th Sep 2025406 AMAQI
19°C16/23°C
19th Sep 2025427 AMAQI
19th Sep 2025398 AMAQI
19th Sep 2025399 AMAQI
19th Sep 20254110 AMAQI
19th Sep 20253911 AMAQI
19th Sep 20254312 PMAQI
19th Sep 2025421 PMAQI
19th Sep 2025422 PMAQI
19th Sep 2025453 PMAQI
19th Sep 2025404 PMAQI
19th Sep 2025405 PMAQI
19th Sep 2025416 PMAQI
19th Sep 2025397 PMAQI
19th Sep 2025428 PMAQI
19th Sep 2025429 PMAQI
19th Sep 20254310 PMAQI
19th Sep 20254311 PMAQI
20th Sep 20254212 AMAQI
20th Sep 2025431 AMAQI
20th Sep 2025392 AMAQI
20th Sep 2025373 AMAQI
20th Sep 2025334 AMAQI
20th Sep 2025345 AMAQI
20th Sep 2025336 AMAQI
20°C18/24°C
20th Sep 2025337 AMAQI
20th Sep 2025368 AMAQI
20th Sep 2025419 AMAQI
20th Sep 20253910 AMAQI
20th Sep 20253711 AMAQI
20th Sep 20253412 PMAQI
20th Sep 2025361 PMAQI
20th Sep 2025382 PMAQI
20th Sep 2025383 PMAQI
20th Sep 2025364 PMAQI
20th Sep 2025365 PMAQI
20th Sep 2025346 PMAQI
20th Sep 2025357 PMAQI
20th Sep 2025388 PMAQI
20th Sep 2025369 PMAQI
20th Sep 20253910 PMAQI
20th Sep 20253811 PMAQI
21st Sep 20253812 AMAQI
21st Sep 2025381 AMAQI
21st Sep 2025362 AMAQI
21st Sep 2025323 AMAQI
21st Sep 2025254 AMAQI
21st Sep 2025195 AMAQI
21st Sep 2025246 AMAQI
19°C17/21°C
21st Sep 2025187 AMAQI
7 AM21st Sep 2025208 AMAQI
21st Sep 2025219 AMAQI
21st Sep 20252310 AMAQI
21st Sep 20252011 AMAQI
21st Sep 20252212 PMAQI
21st Sep 2025241 PMAQI
1 PM21st Sep 2025262 PMAQI
21st Sep 2025263 PMAQI
21st Sep 2025264 PMAQI
21st Sep 2025275 PMAQI
21st Sep 2025286 PMAQI
21st Sep 2025267 PMAQI
21st Sep 2025278 PMAQI
8 PM21st Sep 2025289 PMAQI
1 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 1 PM
29AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
7 AM
26AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 1 PM (Avg. 29), while the lowest AQI was between 7 AM to 7 AM (Avg. 26).
Night time
Avg. Highest Time
2 AM - 3 AM
29AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
5 AM - 6 AM
27AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 29), while the lowest AQI was between 5 AM to 6 AM (Avg. 27).
2025 Days Vs Air Quality
Guarnizo, Santander, Cantabria, Spain
2025
88%
231
12%
32
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Good
231 DaysModerate
32 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 264 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
Guarnizo, Santander, Cantabria, 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
52AQI
52AQI
2nd January 2025
43AQI
43AQI
3rd January 2025
43AQI
43AQI
4th January 2025
37AQI
37AQI
5th January 2025
30AQI
30AQI
6th January 2025
29AQI
29AQI
7th January 2025
39AQI
39AQI
8th January 2025
55AQI
55AQI
9th January 2025
34AQI
34AQI
10th January 2025
35AQI
35AQI
11th January 2025
30AQI
30AQI
12th January 2025
32AQI
32AQI
13th January 2025
35AQI
35AQI
14th January 2025
44AQI
44AQI
15th January 2025
50AQI
50AQI
16th January 2025
51AQI
51AQI
17th January 2025
52AQI
52AQI
18th January 2025
53AQI
53AQI
19th January 2025
56AQI
56AQI
20th January 2025
54AQI
54AQI
21st January 2025
51AQI
51AQI
22nd January 2025
45AQI
45AQI
23rd January 2025
37AQI
37AQI
24th January 2025
35AQI
35AQI
25th January 2025
33AQI
33AQI
26th January 2025
29AQI
29AQI
27th January 2025
33AQI
33AQI
28th January 2025
32AQI
32AQI
29th January 2025
30AQI
30AQI
30th January 2025
30AQI
30AQI
31st January 2025
32AQI
32AQI
1st February 2025
32AQI
32AQI
2nd February 2025
31AQI
31AQI
3rd February 2025
33AQI
33AQI
4th February 2025
36AQI
36AQI
5th February 2025
43AQI
43AQI
6th February 2025
45AQI
45AQI
7th February 2025
43AQI
43AQI
8th February 2025
38AQI
38AQI
9th February 2025
39AQI
39AQI
10th February 2025
39AQI
39AQI
11th February 2025
40AQI
40AQI
12th February 2025
35AQI
35AQI
13th February 2025
36AQI
36AQI
14th February 2025
38AQI
38AQI
15th February 2025
40AQI
40AQI
16th February 2025
47AQI
47AQI
17th February 2025
43AQI
43AQI
18th February 2025
57AQI
57AQI
19th February 2025
52AQI
52AQI
20th February 2025
54AQI
54AQI
21st February 2025
49AQI
49AQI
22nd February 2025
44AQI
44AQI
23rd February 2025
41AQI
41AQI
24th February 2025
43AQI
43AQI
25th February 2025
33AQI
33AQI
26th February 2025
30AQI
30AQI
27th February 2025
36AQI
36AQI
28th February 2025
36AQI
36AQI
1st March 2025
32AQI
32AQI
2nd March 2025
32AQI
32AQI
3rd March 2025
39AQI
39AQI
4th March 2025
46AQI
46AQI
5th March 2025
51AQI
51AQI
6th March 2025
47AQI
47AQI
7th March 2025
38AQI
38AQI
8th March 2025
33AQI
33AQI
9th March 2025
32AQI
32AQI
10th March 2025
30AQI
30AQI
11th March 2025
29AQI
29AQI
12th March 2025
28AQI
28AQI
13th March 2025
27AQI
27AQI
14th March 2025
29AQI
29AQI
15th March 2025
31AQI
31AQI
16th March 2025
28AQI
28AQI
17th March 2025
29AQI
29AQI
18th March 2025
32AQI
32AQI
19th March 2025
28AQI
28AQI
20th March 2025
30AQI
30AQI
21st March 2025
27AQI
27AQI
22nd March 2025
27AQI
27AQI
23rd March 2025
26AQI
26AQI
24th March 2025
28AQI
28AQI
25th March 2025
30AQI
30AQI
26th March 2025
32AQI
32AQI
27th March 2025
33AQI
33AQI
28th March 2025
33AQI
33AQI
29th March 2025
30AQI
30AQI
30th March 2025
32AQI
32AQI
31st March 2025
33AQI
33AQI
1st April 2025
37AQI
37AQI
2nd April 2025
37AQI
37AQI
3rd April 2025
33AQI
33AQI
4th April 2025
32AQI
32AQI
5th April 2025
28AQI
28AQI
6th April 2025
27AQI
27AQI
7th April 2025
27AQI
27AQI
8th April 2025
34AQI
34AQI
9th April 2025
43AQI
43AQI
10th April 2025
46AQI
46AQI
11th April 2025
46AQI
46AQI
12th April 2025
44AQI
44AQI
13th April 2025
39AQI
39AQI
14th April 2025
34AQI
34AQI
15th April 2025
25AQI
25AQI
16th April 2025
19AQI
19AQI
17th April 2025
18AQI
18AQI
18th April 2025
19AQI
19AQI
19th April 2025
18AQI
18AQI
20th April 2025
19AQI
19AQI
21st April 2025
20AQI
20AQI
22nd April 2025
22AQI
22AQI
23rd April 2025
23AQI
23AQI
24th April 2025
22AQI
22AQI
25th April 2025
25AQI
25AQI
26th April 2025
24AQI
24AQI
27th April 2025
24AQI
24AQI
28th April 2025
29AQI
29AQI
29th April 2025
30AQI
30AQI
30th April 2025
30AQI
30AQI
1st May 2025
29AQI
29AQI
2nd May 2025
32AQI
32AQI
3rd May 2025
25AQI
25AQI
4th May 2025
25AQI
25AQI
5th May 2025
23AQI
23AQI
6th May 2025
22AQI
22AQI
7th May 2025
25AQI
25AQI
8th May 2025
29AQI
29AQI
9th May 2025
31AQI
31AQI
10th May 2025
32AQI
32AQI
11th May 2025
31AQI
31AQI
12th May 2025
30AQI
30AQI
13th May 2025
29AQI
29AQI
14th May 2025
28AQI
28AQI
15th May 2025
26AQI
26AQI
16th May 2025
30AQI
30AQI
17th May 2025
42AQI
42AQI
18th May 2025
44AQI
44AQI
19th May 2025
36AQI
36AQI
20th May 2025
34AQI
34AQI
21st May 2025
34AQI
34AQI
22nd May 2025
29AQI
29AQI
23rd May 2025
29AQI
29AQI
24th May 2025
28AQI
28AQI
25th May 2025
29AQI
29AQI
26th May 2025
25AQI
25AQI
27th May 2025
26AQI
26AQI
28th May 2025
30AQI
30AQI
29th May 2025
35AQI
35AQI
30th May 2025
40AQI
40AQI
31st May 2025
33AQI
33AQI
1st June 2025
26AQI
26AQI
2nd June 2025
26AQI
26AQI
3rd June 2025
29AQI
29AQI
4th June 2025
31AQI
31AQI
5th June 2025
30AQI
30AQI
6th June 2025
29AQI
29AQI
7th June 2025
26AQI
26AQI
8th June 2025
39AQI
39AQI
9th June 2025
52AQI
52AQI
10th June 2025
55AQI
55AQI
11th June 2025
57AQI
57AQI
12th June 2025
57AQI
57AQI
13th June 2025
56AQI
56AQI
14th June 2025
51AQI
51AQI
15th June 2025
43AQI
43AQI
16th June 2025
35AQI
35AQI
17th June 2025
38AQI
38AQI
18th June 2025
42AQI
42AQI
19th June 2025
51AQI
51AQI
20th June 2025
54AQI
54AQI
21st June 2025
53AQI
53AQI
22nd June 2025
51AQI
51AQI
23rd June 2025
51AQI
51AQI
24th June 2025
53AQI
53AQI
25th June 2025
51AQI
51AQI
26th June 2025
43AQI
43AQI
27th June 2025
37AQI
37AQI
28th June 2025
36AQI
36AQI
29th June 2025
37AQI
37AQI
30th June 2025
39AQI
39AQI
1st July 2025
44AQI
44AQI
2nd July 2025
38AQI
38AQI
3rd July 2025
35AQI
35AQI
4th July 2025
35AQI
35AQI
5th July 2025
35AQI
35AQI
6th July 2025
34AQI
34AQI
7th July 2025
31AQI
31AQI
8th July 2025
28AQI
28AQI
9th July 2025
29AQI
29AQI
10th July 2025
31AQI
31AQI
11th July 2025
36AQI
36AQI
12th July 2025
39AQI
39AQI
13th July 2025
40AQI
40AQI
14th July 2025
39AQI
39AQI
15th July 2025
36AQI
36AQI
16th July 2025
36AQI
36AQI
17th July 2025
38AQI
38AQI
18th July 2025
35AQI
35AQI
19th July 2025
30AQI
30AQI
20th July 2025
27AQI
27AQI
21st July 2025
25AQI
25AQI
22nd July 2025
22AQI
22AQI
23rd July 2025
21AQI
21AQI
24th July 2025
21AQI
21AQI
25th July 2025
25AQI
25AQI
26th July 2025
29AQI
29AQI
27th July 2025
33AQI
33AQI
28th July 2025
28AQI
28AQI
29th July 2025
26AQI
26AQI
30th July 2025
25AQI
25AQI
31st July 2025
22AQI
22AQI
1st August 2025
24AQI
24AQI
2nd August 2025
24AQI
24AQI
3rd August 2025
27AQI
27AQI
4th August 2025
30AQI
30AQI
5th August 2025
34AQI
34AQI
6th August 2025
33AQI
33AQI
7th August 2025
38AQI
38AQI
8th August 2025
34AQI
34AQI
9th August 2025
31AQI
31AQI
10th August 2025
31AQI
31AQI
11th August 2025
45AQI
45AQI
12th August 2025
56AQI
56AQI
13th August 2025
56AQI
56AQI
14th August 2025
55AQI
55AQI
15th August 2025
56AQI
56AQI
16th August 2025
54AQI
54AQI
17th August 2025
55AQI
55AQI
18th August 2025
52AQI
52AQI
19th August 2025
50AQI
50AQI
20th August 2025
38AQI
38AQI
21st August 2025
33AQI
33AQI
22nd August 2025
32AQI
32AQI
23rd August 2025
30AQI
30AQI
24th August 2025
34AQI
34AQI
25th August 2025
35AQI
35AQI
26th August 2025
45AQI
45AQI
27th August 2025
39AQI
39AQI
28th August 2025
31AQI
31AQI
29th August 2025
26AQI
26AQI
30th August 2025
21AQI
21AQI
31st August 2025
22AQI
22AQI
1st September 2025
24AQI
24AQI
2nd September 2025
23AQI
23AQI
3rd September 2025
28AQI
28AQI
4th September 2025
24AQI
24AQI
5th September 2025
25AQI
25AQI
6th September 2025
26AQI
26AQI
7th September 2025
26AQI
26AQI
8th September 2025
25AQI
25AQI
9th September 2025
21AQI
21AQI
10th September 2025
22AQI
22AQI
11th September 2025
29AQI
29AQI
12th September 2025
26AQI
26AQI
13th September 2025
26AQI
26AQI
14th September 2025
22AQI
22AQI
15th September 2025
22AQI
22AQI
16th September 2025
23AQI
23AQI
17th September 2025
26AQI
26AQI
18th September 2025
32AQI
32AQI
19th September 2025
40AQI
40AQI
20th September 2025
37AQI
37AQI
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
40AQI
40AQI
32AQI
29AQI
30AQI
43AQI
31AQI
38AQI
26AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202535AQI
23
8
25
3
30
1
30
31
17
13
31
24
7
20
231
32
Highest AQI recorded in
June43AQI
Lowest AQI recorded in
September26AQI
202431AQI
31
29
31
19
15
29
1
31
31
22
7
31
26
4
30
1
325
13
Highest AQI recorded in
December39AQI
Lowest AQI recorded in
January22AQI
202323AQI
31
27
1
25
28
31
30
31
31
30
31
29
31
355
1
Highest AQI recorded in
February29AQI
Lowest AQI recorded in
July19AQI
202228AQI
31
21
29
2
30
31
29
1
21
2
1
28
31
30
31
313
5
Highest AQI recorded in
March33AQI
Lowest AQI recorded in
January21AQI
202122AQI
5
11
31
29
1
31
30
31
31
30
31
27
29
316
1
Highest AQI recorded in
February26AQI
Lowest AQI recorded in
January17AQI
202019AQI
13
21
18
30
31
31
30
30
1
28
31
263
1
Highest AQI recorded in
March30AQI
Lowest AQI recorded in
August15AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
35AQILeast Polluted Year Recorded
2020(Avg.)
19AQIGuarnizo's annual 2025 AQI (35) shows an average percentage change of 47.09% (worsened AQI) compared to previous years: 2020 (19), 2021 (22), 2022 (28), 2023 (23), 2024 (31).
