Santander Center, 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 Center, Santander, Cantabria, Spain
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Sep 2022
131AQILowest AQI recorded on
10th Sep 2022
14AQISame Day Analysis (20th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 42 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Santander Center, Santander, Cantabria, Spain
AQI
Day
Night
.
7 AM21st Sep 2025
8 PM
6 AM22nd Sep 2025
Day time
Avg. Highest Time
12PM21st Sep
28AQI
Avg. Lowest Time
10AM21st Sep
17AQI
Night time
Avg. Highest Time
10PM21st Sep
29AQI
Avg. Lowest Time
7AM21st Sep
20AQI
In the last 24 hours,
Santander Center's AQI reached its highest point of 29 at 10 PM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Santander Center, Santander, Cantabria, Spain
AugSep
23rd - 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 - 22nd22nd
Day
Night
23rd Aug 2025297 AMAQI
23rd Aug 2025288 AMAQI
23rd Aug 2025309 AMAQI
23rd Aug 20253110 AMAQI
23rd Aug 20253211 AMAQI
23rd Aug 20253212 PMAQI
23rd Aug 2025301 PMAQI
23rd Aug 2025302 PMAQI
23rd Aug 2025313 PMAQI
23rd Aug 2025294 PMAQI
23rd Aug 2025315 PMAQI
23rd Aug 2025316 PMAQI
23rd Aug 2025327 PMAQI
23rd Aug 2025328 PMAQI
23rd Aug 2025319 PMAQI
23rd Aug 20253210 PMAQI
23rd Aug 20253111 PMAQI
24th Aug 20253212 AMAQI
24th Aug 2025321 AMAQI
24th Aug 2025352 AMAQI
24th Aug 2025333 AMAQI
24th Aug 2025354 AMAQI
24th Aug 2025345 AMAQI
24th Aug 2025336 AMAQI
20°C16/23°C
24th Aug 2025387 AMAQI
24th Aug 2025368 AMAQI
24th Aug 2025369 AMAQI
24th Aug 20253710 AMAQI
24th Aug 20253611 AMAQI
24th Aug 20253612 PMAQI
24th Aug 2025361 PMAQI
24th Aug 2025392 PMAQI
24th Aug 2025363 PMAQI
24th Aug 2025364 PMAQI
24th Aug 2025355 PMAQI
24th Aug 2025376 PMAQI
24th Aug 2025367 PMAQI
24th Aug 2025338 PMAQI
24th Aug 2025339 PMAQI
24th Aug 20253410 PMAQI
24th Aug 20253311 PMAQI
25th Aug 20253412 AMAQI
25th Aug 2025331 AMAQI
25th Aug 2025332 AMAQI
25th Aug 2025343 AMAQI
25th Aug 2025324 AMAQI
25th Aug 2025305 AMAQI
25th Aug 2025326 AMAQI
21°C18/24°C
25th Aug 2025357 AMAQI
25th Aug 2025418 AMAQI
25th Aug 2025359 AMAQI
25th Aug 20253810 AMAQI
25th Aug 20254611 AMAQI
25th Aug 20254312 PMAQI
25th Aug 2025341 PMAQI
25th Aug 2025332 PMAQI
25th Aug 2025343 PMAQI
25th Aug 2025344 PMAQI
25th Aug 2025345 PMAQI
25th Aug 2025376 PMAQI
25th Aug 2025367 PMAQI
25th Aug 2025408 PMAQI
25th Aug 2025369 PMAQI
25th Aug 20253310 PMAQI
25th Aug 20253211 PMAQI
26th Aug 20253212 AMAQI
26th Aug 2025331 AMAQI
26th Aug 2025422 AMAQI
26th Aug 2025493 AMAQI
26th Aug 2025444 AMAQI
26th Aug 2025485 AMAQI
26th Aug 2025486 AMAQI
21°C20/23°C
26th Aug 2025477 AMAQI
26th Aug 2025508 AMAQI
26th Aug 2025529 AMAQI
26th Aug 20255510 AMAQI
26th Aug 20255811 AMAQI
26th Aug 20255212 PMAQI
26th Aug 2025481 PMAQI
26th Aug 2025432 PMAQI
26th Aug 2025403 PMAQI
26th Aug 2025484 PMAQI
26th Aug 2025465 PMAQI
26th Aug 2025496 PMAQI
26th Aug 2025437 PMAQI
26th Aug 2025438 PMAQI
26th Aug 2025449 PMAQI
26th Aug 20254410 PMAQI
26th Aug 20254411 PMAQI
27th Aug 20254412 AMAQI
27th Aug 2025421 AMAQI
27th Aug 2025402 AMAQI
27th Aug 2025483 AMAQI
27th Aug 2025534 AMAQI
27th Aug 2025485 AMAQI
27th Aug 2025376 AMAQI
21°C19/22°C
27th Aug 2025357 AMAQI
27th Aug 2025328 AMAQI
27th Aug 2025389 AMAQI
27th Aug 20253310 AMAQI
27th Aug 20253611 AMAQI
27th Aug 20254012 PMAQI
27th Aug 2025401 PMAQI
27th Aug 2025362 PMAQI
27th Aug 2025393 PMAQI
27th Aug 2025394 PMAQI
27th Aug 2025385 PMAQI
27th Aug 2025426 PMAQI
27th Aug 2025387 PMAQI
27th Aug 2025388 PMAQI
27th Aug 2025409 PMAQI
27th Aug 20254010 PMAQI
27th Aug 20253911 PMAQI
28th Aug 20254212 AMAQI
28th Aug 2025401 AMAQI
28th Aug 2025402 AMAQI
28th Aug 2025383 AMAQI
28th Aug 2025384 AMAQI
28th Aug 2025285 AMAQI
28th Aug 2025236 AMAQI
20°C18/20°C
28th Aug 2025287 AMAQI
28th Aug 2025298 AMAQI
28th Aug 2025309 AMAQI
28th Aug 20253010 AMAQI
28th Aug 20253111 AMAQI
28th Aug 20253012 PMAQI
28th Aug 2025321 PMAQI
28th Aug 2025342 PMAQI
28th Aug 2025343 PMAQI
28th Aug 2025324 PMAQI
28th Aug 2025405 PMAQI
28th Aug 2025346 PMAQI
28th Aug 2025407 PMAQI
28th Aug 2025358 PMAQI
28th Aug 2025379 PMAQI
28th Aug 20253410 PMAQI
28th Aug 20253511 PMAQI
29th Aug 20253612 AMAQI
29th Aug 2025381 AMAQI
29th Aug 2025282 AMAQI
29th Aug 2025233 AMAQI
29th Aug 2025234 AMAQI
29th Aug 2025255 AMAQI
29th Aug 2025246 AMAQI
19°C18/21°C
29th Aug 2025277 AMAQI
29th Aug 2025308 AMAQI
29th Aug 2025309 AMAQI
29th Aug 20252810 AMAQI
29th Aug 20252911 AMAQI
29th Aug 20253112 PMAQI
29th Aug 2025251 PMAQI
29th Aug 2025282 PMAQI
29th Aug 2025283 PMAQI
29th Aug 2025304 PMAQI
29th Aug 2025285 PMAQI
29th Aug 2025296 PMAQI
29th Aug 2025287 PMAQI
29th Aug 2025298 PMAQI
29th Aug 2025299 PMAQI
29th Aug 20252710 PMAQI
29th Aug 20252611 PMAQI
30th Aug 20252612 AMAQI
30th Aug 2025251 AMAQI
30th Aug 2025252 AMAQI
30th Aug 2025243 AMAQI
30th Aug 2025244 AMAQI
30th Aug 2025235 AMAQI
30th Aug 2025236 AMAQI
20°C18/22°C
30th Aug 2025237 AMAQI
30th Aug 2025198 AMAQI
30th Aug 2025219 AMAQI
30th Aug 20252210 AMAQI
30th Aug 20252211 AMAQI
30th Aug 20252012 PMAQI
30th Aug 2025251 PMAQI
30th Aug 2025222 PMAQI
30th Aug 2025213 PMAQI
30th Aug 2025224 PMAQI
30th Aug 2025215 PMAQI
30th Aug 2025206 PMAQI
30th Aug 2025227 PMAQI
30th Aug 2025218 PMAQI
30th Aug 2025219 PMAQI
30th Aug 20252210 PMAQI
30th Aug 20252211 PMAQI
31st Aug 20252012 AMAQI
31st Aug 2025211 AMAQI
31st Aug 2025232 AMAQI
31st Aug 2025233 AMAQI
31st Aug 2025214 AMAQI
31st Aug 2025205 AMAQI
31st Aug 2025246 AMAQI
21°C18/23°C
31st Aug 2025267 AMAQI
31st Aug 2025308 AMAQI
31st Aug 2025269 AMAQI
31st Aug 20253210 AMAQI
31st Aug 20252711 AMAQI
31st Aug 20252412 PMAQI
31st Aug 2025241 PMAQI
31st Aug 2025212 PMAQI
31st Aug 2025213 PMAQI
31st Aug 2025214 PMAQI
31st Aug 2025225 PMAQI
31st Aug 2025226 PMAQI
31st Aug 2025227 PMAQI
31st Aug 2025238 PMAQI
31st Aug 2025229 PMAQI
31st Aug 20252210 PMAQI
31st Aug 20252211 PMAQI
1st Sep 20252212 AMAQI
1st Sep 2025221 AMAQI
1st Sep 2025252 AMAQI
1st Sep 2025303 AMAQI
1st Sep 2025264 AMAQI
1st Sep 2025265 AMAQI
1st Sep 2025216 AMAQI
18°C17/20°C
1st Sep 2025227 AMAQI
1st Sep 2025228 AMAQI
1st Sep 2025249 AMAQI
1st Sep 20252410 AMAQI
1st Sep 20252211 AMAQI
1st Sep 20252012 PMAQI
1st Sep 2025231 PMAQI
1st Sep 2025232 PMAQI
1st Sep 2025243 PMAQI
1st Sep 2025244 PMAQI
1st Sep 2025255 PMAQI
1st Sep 2025246 PMAQI
1st Sep 2025257 PMAQI
1st Sep 2025258 PMAQI
1st Sep 2025239 PMAQI
1st Sep 20252310 PMAQI
1st Sep 20252411 PMAQI
2nd Sep 20252312 AMAQI
2nd Sep 2025241 AMAQI
2nd Sep 2025242 AMAQI
2nd Sep 2025223 AMAQI
2nd Sep 2025224 AMAQI
2nd Sep 2025245 AMAQI
2nd Sep 2025226 AMAQI
19°C17/20°C
2nd Sep 2025187 AMAQI
2nd Sep 2025208 AMAQI
2nd Sep 2025209 AMAQI
2nd Sep 20252210 AMAQI
2nd Sep 20252211 AMAQI
2nd Sep 20252312 PMAQI
2nd Sep 2025231 PMAQI
2nd Sep 2025222 PMAQI
2nd Sep 2025223 PMAQI
2nd Sep 2025214 PMAQI
2nd Sep 2025225 PMAQI
2nd Sep 2025246 PMAQI
2nd Sep 2025277 PMAQI
2nd Sep 2025298 PMAQI
2nd Sep 2025269 PMAQI
2nd Sep 20252410 PMAQI
2nd Sep 20252411 PMAQI
3rd Sep 20252412 AMAQI
3rd Sep 2025241 AMAQI
3rd Sep 2025302 AMAQI
3rd Sep 2025273 AMAQI
3rd Sep 2025264 AMAQI
3rd Sep 2025285 AMAQI
3rd Sep 2025276 AMAQI
19°C16/23°C
3rd Sep 2025237 AMAQI
3rd Sep 2025298 AMAQI
3rd Sep 2025289 AMAQI
3rd Sep 20252610 AMAQI
3rd Sep 20252711 AMAQI
3rd Sep 20252912 PMAQI
3rd Sep 2025281 PMAQI
3rd Sep 2025292 PMAQI
3rd Sep 2025283 PMAQI
3rd Sep 2025284 PMAQI
3rd Sep 2025305 PMAQI
3rd Sep 2025306 PMAQI
3rd Sep 2025307 PMAQI
3rd Sep 2025328 PMAQI
3rd Sep 2025289 PMAQI
3rd Sep 20252610 PMAQI
3rd Sep 20252711 PMAQI
4th Sep 20252612 AMAQI
4th Sep 2025261 AMAQI
4th Sep 2025342 AMAQI
4th Sep 2025353 AMAQI
4th Sep 2025304 AMAQI
4th Sep 2025285 AMAQI
4th Sep 2025276 AMAQI
20°C18/23°C
4th Sep 2025257 AMAQI
4th Sep 2025228 AMAQI
4th Sep 2025249 AMAQI
4th Sep 20252810 AMAQI
4th Sep 20252511 AMAQI
4th Sep 20252912 PMAQI
4th Sep 2025321 PMAQI
4th Sep 2025342 PMAQI
4th Sep 2025283 PMAQI
4th Sep 2025254 PMAQI
4th Sep 2025255 PMAQI
4th Sep 2025266 PMAQI
4th Sep 2025287 PMAQI
4th Sep 2025268 PMAQI
4th Sep 2025289 PMAQI
4th Sep 20252810 PMAQI
4th Sep 20252711 PMAQI
5th Sep 20252612 AMAQI
5th Sep 2025271 AMAQI
5th Sep 2025282 AMAQI
5th Sep 2025263 AMAQI
5th Sep 2025244 AMAQI
5th Sep 2025235 AMAQI
5th Sep 2025246 AMAQI
19°C18/21°C
5th Sep 2025227 AMAQI
5th Sep 2025248 AMAQI
5th Sep 2025279 AMAQI
5th Sep 20252410 AMAQI
5th Sep 20252911 AMAQI
5th Sep 20252712 PMAQI
5th Sep 2025251 PMAQI
5th Sep 2025242 PMAQI
5th Sep 2025243 PMAQI
5th Sep 2025244 PMAQI
5th Sep 2025255 PMAQI
5th Sep 2025246 PMAQI
5th Sep 2025237 PMAQI
5th Sep 2025238 PMAQI
5th Sep 2025249 PMAQI
5th Sep 20252510 PMAQI
5th Sep 20252611 PMAQI
6th Sep 20252512 AMAQI
6th Sep 2025261 AMAQI
6th Sep 2025232 AMAQI
6th Sep 2025263 AMAQI
6th Sep 2025244 AMAQI
6th Sep 2025285 AMAQI
6th Sep 2025326 AMAQI
19°C17/22°C
6th Sep 2025267 AMAQI
6th Sep 2025248 AMAQI
6th Sep 2025229 AMAQI
6th Sep 20252410 AMAQI
6th Sep 20252611 AMAQI
6th Sep 20252512 PMAQI
6th Sep 2025261 PMAQI
6th Sep 2025282 PMAQI
6th Sep 2025273 PMAQI
6th Sep 2025274 PMAQI
6th Sep 2025265 PMAQI
6th Sep 2025276 PMAQI
6th Sep 2025267 PMAQI
6th Sep 2025258 PMAQI
6th Sep 2025289 PMAQI
6th Sep 20252610 PMAQI
6th Sep 20252611 PMAQI
7th Sep 20252712 AMAQI
7th Sep 2025271 AMAQI
7th Sep 2025282 AMAQI
7th Sep 2025253 AMAQI
7th Sep 2025264 AMAQI
7th Sep 2025255 AMAQI
7th Sep 2025236 AMAQI
22°C18/30°C
7th Sep 2025227 AMAQI
7th Sep 2025238 AMAQI
7th Sep 2025279 AMAQI
7th Sep 20252810 AMAQI
7th Sep 20253111 AMAQI
7th Sep 20252812 PMAQI
7th Sep 2025281 PMAQI
7th Sep 2025272 PMAQI
7th Sep 2025273 PMAQI
7th Sep 2025264 PMAQI
7th Sep 2025255 PMAQI
7th Sep 2025246 PMAQI
7th Sep 2025247 PMAQI
7th Sep 2025248 PMAQI
7th Sep 2025259 PMAQI
7th Sep 20252510 PMAQI
7th Sep 20252511 PMAQI
8th Sep 20252612 AMAQI
8th Sep 2025251 AMAQI
8th Sep 2025342 AMAQI
8th Sep 2025273 AMAQI
8th Sep 2025274 AMAQI
8th Sep 2025235 AMAQI
8th Sep 2025256 AMAQI
21°C18/24°C
8th Sep 2025257 AMAQI
8th Sep 2025258 AMAQI
8th Sep 2025239 AMAQI
8th Sep 20252010 AMAQI
8th Sep 20252211 AMAQI
8th Sep 20252412 PMAQI
8th Sep 2025261 PMAQI
8th Sep 2025282 PMAQI
8th Sep 2025263 PMAQI
8th Sep 2025264 PMAQI
8th Sep 2025245 PMAQI
8th Sep 2025246 PMAQI
8th Sep 2025247 PMAQI
8th Sep 2025268 PMAQI
8th Sep 2025289 PMAQI
8th Sep 20252910 PMAQI
8th Sep 20252611 PMAQI
9th Sep 20252812 AMAQI
9th Sep 2025271 AMAQI
9th Sep 2025242 AMAQI
9th Sep 2025223 AMAQI
9th Sep 2025224 AMAQI
9th Sep 2025195 AMAQI
9th Sep 2025206 AMAQI
17°C16/17°C
9th Sep 2025197 AMAQI
9th Sep 2025208 AMAQI
9th Sep 2025209 AMAQI
9th Sep 20252210 AMAQI
9th Sep 20252011 AMAQI
9th Sep 20252312 PMAQI
9th Sep 2025281 PMAQI
9th Sep 2025222 PMAQI
9th Sep 2025223 PMAQI
9th Sep 2025224 PMAQI
9th Sep 2025225 PMAQI
9th Sep 2025226 PMAQI
9th Sep 2025217 PMAQI
9th Sep 2025218 PMAQI
9th Sep 2025239 PMAQI
9th Sep 20252310 PMAQI
9th Sep 20252211 PMAQI
10th Sep 20252312 AMAQI
10th Sep 2025231 AMAQI
10th Sep 2025302 AMAQI
10th Sep 2025243 AMAQI
10th Sep 2025244 AMAQI
10th Sep 2025215 AMAQI
10th Sep 2025246 AMAQI
17°C15/19°C
10th Sep 2025257 AMAQI
10th Sep 2025228 AMAQI
10th Sep 2025229 AMAQI
10th Sep 20252510 AMAQI
10th Sep 20252411 AMAQI
10th Sep 20252412 PMAQI
10th Sep 2025221 PMAQI
10th Sep 2025222 PMAQI
10th Sep 2025213 PMAQI
10th Sep 2025224 PMAQI
10th Sep 2025235 PMAQI
10th Sep 2025246 PMAQI
10th Sep 2025247 PMAQI
10th Sep 2025258 PMAQI
10th Sep 2025249 PMAQI
10th Sep 20252310 PMAQI
10th Sep 20252411 PMAQI
11th Sep 20252412 AMAQI
11th Sep 2025241 AMAQI
11th Sep 2025312 AMAQI
11th Sep 2025383 AMAQI
11th Sep 2025354 AMAQI
11th Sep 2025325 AMAQI
11th Sep 2025326 AMAQI
18°C17/20°C
11th Sep 2025347 AMAQI
11th Sep 2025308 AMAQI
11th Sep 2025319 AMAQI
11th Sep 20253110 AMAQI
11th Sep 20253011 AMAQI
11th Sep 20252812 PMAQI
11th Sep 2025261 PMAQI
11th Sep 2025262 PMAQI
11th Sep 2025243 PMAQI
11th Sep 2025234 PMAQI
11th Sep 2025245 PMAQI
11th Sep 2025256 PMAQI
11th Sep 2025267 PMAQI
11th Sep 2025268 PMAQI
11th Sep 2025289 PMAQI
11th Sep 20252810 PMAQI
11th Sep 20252911 PMAQI
12th Sep 20252912 AMAQI
12th Sep 2025281 AMAQI
12th Sep 2025262 AMAQI
12th Sep 2025223 AMAQI
12th Sep 2025234 AMAQI
12th Sep 2025225 AMAQI
12th Sep 2025216 AMAQI
19°C17/20°C
12th Sep 2025207 AMAQI
12th Sep 2025238 AMAQI
12th Sep 2025269 AMAQI
12th Sep 20252910 AMAQI
12th Sep 20253211 AMAQI
12th Sep 20252912 PMAQI
12th Sep 2025261 PMAQI
12th Sep 2025242 PMAQI
12th Sep 2025243 PMAQI
12th Sep 2025244 PMAQI
12th Sep 2025265 PMAQI
12th Sep 2025266 PMAQI
12th Sep 2025267 PMAQI
12th Sep 2025278 PMAQI
12th Sep 2025259 PMAQI
12th Sep 20252610 PMAQI
12th Sep 20252611 PMAQI
13th Sep 20252612 AMAQI
13th Sep 2025251 AMAQI
13th Sep 2025262 AMAQI
13th Sep 2025293 AMAQI
13th Sep 2025264 AMAQI
13th Sep 2025275 AMAQI
13th Sep 2025276 AMAQI
18°C17/18°C
13th Sep 2025277 AMAQI
13th Sep 2025278 AMAQI
13th Sep 2025319 AMAQI
13th Sep 20252710 AMAQI
13th Sep 20252611 AMAQI
13th Sep 20252612 PMAQI
13th Sep 2025281 PMAQI
13th Sep 2025262 PMAQI
13th Sep 2025273 PMAQI
13th Sep 2025264 PMAQI
13th Sep 2025275 PMAQI
13th Sep 2025256 PMAQI
13th Sep 2025267 PMAQI
13th Sep 2025258 PMAQI
13th Sep 2025249 PMAQI
13th Sep 20252610 PMAQI
13th Sep 20252611 PMAQI
14th Sep 20252612 AMAQI
14th Sep 2025251 AMAQI
14th Sep 2025202 AMAQI
14th Sep 2025213 AMAQI
14th Sep 2025224 AMAQI
14th Sep 2025225 AMAQI
14th Sep 2025236 AMAQI
18°C16/20°C
14th Sep 2025227 AMAQI
14th Sep 2025238 AMAQI
14th Sep 2025259 AMAQI
14th Sep 20252310 AMAQI
14th Sep 20252811 AMAQI
14th Sep 20252412 PMAQI
14th Sep 2025251 PMAQI
14th Sep 2025242 PMAQI
14th Sep 2025243 PMAQI
14th Sep 2025234 PMAQI
14th Sep 2025215 PMAQI
14th Sep 2025216 PMAQI
14th Sep 2025217 PMAQI
14th Sep 2025248 PMAQI
14th Sep 2025219 PMAQI
14th Sep 20252410 PMAQI
14th Sep 20252211 PMAQI
15th Sep 20252212 AMAQI
15th Sep 2025221 AMAQI
15th Sep 2025232 AMAQI
15th Sep 2025283 AMAQI
15th Sep 2025194 AMAQI
15th Sep 2025225 AMAQI
15th Sep 2025186 AMAQI
21°C17/23°C
15th Sep 2025207 AMAQI
15th Sep 2025228 AMAQI
15th Sep 2025239 AMAQI
15th Sep 20252210 AMAQI
15th Sep 20252111 AMAQI
15th Sep 20252012 PMAQI
15th Sep 2025231 PMAQI
15th Sep 2025232 PMAQI
15th Sep 2025273 PMAQI
15th Sep 2025244 PMAQI
15th Sep 2025225 PMAQI
15th Sep 2025246 PMAQI
15th Sep 2025247 PMAQI
15th Sep 2025228 PMAQI
15th Sep 2025219 PMAQI
15th Sep 20252210 PMAQI
15th Sep 20252211 PMAQI
16th Sep 20252112 AMAQI
16th Sep 2025221 AMAQI
16th Sep 2025242 AMAQI
16th Sep 2025263 AMAQI
16th Sep 2025294 AMAQI
16th Sep 2025285 AMAQI
16th Sep 2025286 AMAQI
19°C18/20°C
16th Sep 2025277 AMAQI
16th Sep 2025268 AMAQI
16th Sep 2025289 AMAQI
16th Sep 20253210 AMAQI
16th Sep 20252811 AMAQI
16th Sep 20252612 PMAQI
16th Sep 2025261 PMAQI
16th Sep 2025262 PMAQI
16th Sep 2025263 PMAQI
16th Sep 2025264 PMAQI
16th Sep 2025275 PMAQI
16th Sep 2025296 PMAQI
16th Sep 2025267 PMAQI
16th Sep 2025278 PMAQI
16th Sep 2025289 PMAQI
16th Sep 20252710 PMAQI
16th Sep 20252711 PMAQI
17th Sep 20252712 AMAQI
17th Sep 2025261 AMAQI
17th Sep 2025262 AMAQI
17th Sep 2025253 AMAQI
17th Sep 2025264 AMAQI
17th Sep 2025265 AMAQI
17th Sep 2025246 AMAQI
19°C17/21°C
17th Sep 2025237 AMAQI
17th Sep 2025208 AMAQI
17th Sep 2025269 AMAQI
17th Sep 20252810 AMAQI
17th Sep 20253411 AMAQI
17th Sep 20253712 PMAQI
17th Sep 2025301 PMAQI
17th Sep 2025322 PMAQI
17th Sep 2025343 PMAQI
17th Sep 2025384 PMAQI
17th Sep 2025325 PMAQI
17th Sep 2025296 PMAQI
17th Sep 2025307 PMAQI
17th Sep 2025308 PMAQI
17th Sep 2025319 PMAQI
17th Sep 20252810 PMAQI
17th Sep 20252711 PMAQI
18th Sep 20252712 AMAQI
18th Sep 2025271 AMAQI
18th Sep 2025282 AMAQI
18th Sep 2025303 AMAQI
18th Sep 2025354 AMAQI
18th Sep 2025385 AMAQI
18th Sep 2025406 AMAQI
19°C17/22°C
18th Sep 2025397 AMAQI
18th Sep 2025398 AMAQI
18th Sep 2025379 AMAQI
18th Sep 20253810 AMAQI
18th Sep 20253811 AMAQI
18th Sep 20254012 PMAQI
18th Sep 2025421 PMAQI
18th Sep 2025502 PMAQI
18th Sep 2025503 PMAQI
18th Sep 2025474 PMAQI
18th Sep 2025405 PMAQI
18th Sep 2025426 PMAQI
18th Sep 2025487 PMAQI
18th Sep 2025478 PMAQI
18th Sep 2025499 PMAQI
18th Sep 20254410 PMAQI
18th Sep 20254411 PMAQI
19th Sep 20254012 AMAQI
19th Sep 2025361 AMAQI
19th Sep 2025382 AMAQI
19th Sep 2025423 AMAQI
19th Sep 2025464 AMAQI
19th Sep 2025495 AMAQI
19th Sep 2025426 AMAQI
19°C16/23°C
19th Sep 2025497 AMAQI
19th Sep 2025488 AMAQI
19th Sep 2025479 AMAQI
19th Sep 20254010 AMAQI
19th Sep 20254111 AMAQI
19th Sep 20254512 PMAQI
19th Sep 2025501 PMAQI
19th Sep 2025522 PMAQI
19th Sep 2025543 PMAQI
19th Sep 2025514 PMAQI
19th Sep 2025485 PMAQI
19th Sep 2025486 PMAQI
19th Sep 2025467 PMAQI
19th Sep 2025528 PMAQI
19th Sep 2025479 PMAQI
19th Sep 20255210 PMAQI
19th Sep 20255411 PMAQI
20th Sep 20255112 AMAQI
20th Sep 2025461 AMAQI
20th Sep 2025502 AMAQI
20th Sep 2025443 AMAQI
20th Sep 2025424 AMAQI
20th Sep 2025435 AMAQI
20th Sep 2025426 AMAQI
20°C18/24°C
20th Sep 2025427 AMAQI
20th Sep 2025448 AMAQI
20th Sep 2025419 AMAQI
20th Sep 20254110 AMAQI
20th Sep 20253911 AMAQI
20th Sep 20253612 PMAQI
20th Sep 2025381 PMAQI
20th Sep 2025422 PMAQI
20th Sep 2025403 PMAQI
20th Sep 2025384 PMAQI
20th Sep 2025375 PMAQI
20th Sep 2025366 PMAQI
20th Sep 2025387 PMAQI
20th Sep 2025388 PMAQI
20th Sep 2025409 PMAQI
20th Sep 20254310 PMAQI
20th Sep 20254311 PMAQI
21st Sep 20254412 AMAQI
21st Sep 2025451 AMAQI
21st Sep 2025412 AMAQI
21st Sep 2025383 AMAQI
21st Sep 2025274 AMAQI
21st Sep 2025245 AMAQI
21st Sep 2025296 AMAQI
19°C17/21°C
21st Sep 2025207 AMAQI
21st Sep 2025248 AMAQI
21st Sep 2025189 AMAQI
21st Sep 20251710 AMAQI
21st Sep 20252211 AMAQI
21st Sep 20252812 PMAQI
21st Sep 2025271 PMAQI
21st Sep 2025272 PMAQI
21st Sep 2025283 PMAQI
21st Sep 2025284 PMAQI
21st Sep 2025285 PMAQI
21st Sep 2025276 PMAQI
21st Sep 2025287 PMAQI
21st Sep 2025288 PMAQI
21st Sep 2025289 PMAQI
21st Sep 20252910 PMAQI
21st Sep 20252711 PMAQI
22nd Sep 20252812 AMAQI
22nd Sep 2025291 AMAQI
22nd Sep 2025292 AMAQI
16°C14/17°C
7 AM
1 PM
8 PM
1 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 3 PM
30AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
7 AM - 8 AM
28AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 3 PM (Avg. 30), while the lowest AQI was between 7 AM to 8 AM (Avg. 28).
Night time
Avg. Highest Time
2 AM - 3 AM
30AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
6 AM
28AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 30), while the lowest AQI was between 6 AM to 6 AM (Avg. 28).
2025 Days Vs Air Quality
Santander Center, Santander, Cantabria, Spain
2025
87%
229
13%
34
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Good
229 DaysModerate
34 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 265 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
Santander Center, 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
55AQI
55AQI
2nd January 2025
52AQI
52AQI
3rd January 2025
48AQI
48AQI
4th January 2025
44AQI
44AQI
5th January 2025
37AQI
37AQI
6th January 2025
33AQI
33AQI
7th January 2025
29AQI
29AQI
8th January 2025
28AQI
28AQI
9th January 2025
31AQI
31AQI
10th January 2025
34AQI
34AQI
11th January 2025
34AQI
34AQI
12th January 2025
33AQI
33AQI
13th January 2025
35AQI
35AQI
14th January 2025
43AQI
43AQI
15th January 2025
51AQI
51AQI
16th January 2025
53AQI
53AQI
17th January 2025
54AQI
54AQI
18th January 2025
53AQI
53AQI
19th January 2025
56AQI
56AQI
20th January 2025
55AQI
55AQI
21st January 2025
50AQI
50AQI
22nd January 2025
55AQI
55AQI
23rd January 2025
42AQI
42AQI
24th January 2025
36AQI
36AQI
25th January 2025
36AQI
36AQI
26th January 2025
31AQI
31AQI
27th January 2025
32AQI
32AQI
28th January 2025
30AQI
30AQI
29th January 2025
29AQI
29AQI
30th January 2025
31AQI
31AQI
31st January 2025
34AQI
34AQI
1st February 2025
32AQI
32AQI
2nd February 2025
32AQI
32AQI
3rd February 2025
31AQI
31AQI
4th February 2025
42AQI
42AQI
5th February 2025
48AQI
48AQI
6th February 2025
50AQI
50AQI
7th February 2025
47AQI
47AQI
8th February 2025
41AQI
41AQI
9th February 2025
39AQI
39AQI
10th February 2025
39AQI
39AQI
11th February 2025
42AQI
42AQI
12th February 2025
36AQI
36AQI
13th February 2025
36AQI
36AQI
14th February 2025
37AQI
37AQI
15th February 2025
39AQI
39AQI
16th February 2025
44AQI
44AQI
17th February 2025
44AQI
44AQI
18th February 2025
47AQI
47AQI
19th February 2025
52AQI
52AQI
20th February 2025
54AQI
54AQI
21st February 2025
53AQI
53AQI
22nd February 2025
48AQI
48AQI
23rd February 2025
47AQI
47AQI
24th February 2025
45AQI
45AQI
25th February 2025
35AQI
35AQI
26th February 2025
32AQI
32AQI
27th February 2025
37AQI
37AQI
28th February 2025
39AQI
39AQI
1st March 2025
37AQI
37AQI
2nd March 2025
30AQI
30AQI
3rd March 2025
42AQI
42AQI
4th March 2025
50AQI
50AQI
5th March 2025
53AQI
53AQI
6th March 2025
49AQI
49AQI
7th March 2025
43AQI
43AQI
8th March 2025
36AQI
36AQI
9th March 2025
33AQI
33AQI
10th March 2025
30AQI
30AQI
11th March 2025
31AQI
31AQI
12th March 2025
32AQI
32AQI
13th March 2025
30AQI
30AQI
14th March 2025
30AQI
30AQI
15th March 2025
30AQI
30AQI
16th March 2025
31AQI
31AQI
17th March 2025
32AQI
32AQI
18th March 2025
30AQI
30AQI
19th March 2025
29AQI
29AQI
20th March 2025
31AQI
31AQI
21st March 2025
27AQI
27AQI
22nd March 2025
23AQI
23AQI
23rd March 2025
26AQI
26AQI
24th March 2025
28AQI
28AQI
25th March 2025
31AQI
31AQI
26th March 2025
35AQI
35AQI
27th March 2025
35AQI
35AQI
28th March 2025
37AQI
37AQI
29th March 2025
34AQI
34AQI
30th March 2025
34AQI
34AQI
31st March 2025
35AQI
35AQI
1st April 2025
38AQI
38AQI
2nd April 2025
40AQI
40AQI
3rd April 2025
34AQI
34AQI
4th April 2025
33AQI
33AQI
5th April 2025
28AQI
28AQI
6th April 2025
27AQI
27AQI
7th April 2025
28AQI
28AQI
8th April 2025
38AQI
38AQI
9th April 2025
47AQI
47AQI
10th April 2025
46AQI
46AQI
11th April 2025
46AQI
46AQI
12th April 2025
45AQI
45AQI
13th April 2025
40AQI
40AQI
14th April 2025
34AQI
34AQI
15th April 2025
27AQI
27AQI
16th April 2025
21AQI
21AQI
17th April 2025
21AQI
21AQI
18th April 2025
21AQI
21AQI
19th April 2025
20AQI
20AQI
20th April 2025
20AQI
20AQI
21st April 2025
23AQI
23AQI
22nd April 2025
23AQI
23AQI
23rd April 2025
27AQI
27AQI
24th April 2025
25AQI
25AQI
25th April 2025
28AQI
28AQI
26th April 2025
26AQI
26AQI
27th April 2025
26AQI
26AQI
28th April 2025
32AQI
32AQI
29th April 2025
32AQI
32AQI
30th April 2025
30AQI
30AQI
1st May 2025
30AQI
30AQI
2nd May 2025
34AQI
34AQI
3rd May 2025
28AQI
28AQI
4th May 2025
29AQI
29AQI
5th May 2025
25AQI
25AQI
6th May 2025
23AQI
23AQI
7th May 2025
25AQI
25AQI
8th May 2025
29AQI
29AQI
9th May 2025
31AQI
31AQI
10th May 2025
30AQI
30AQI
11th May 2025
29AQI
29AQI
12th May 2025
29AQI
29AQI
13th May 2025
28AQI
28AQI
14th May 2025
27AQI
27AQI
15th May 2025
27AQI
27AQI
16th May 2025
33AQI
33AQI
17th May 2025
43AQI
43AQI
18th May 2025
45AQI
45AQI
19th May 2025
36AQI
36AQI
20th May 2025
33AQI
33AQI
21st May 2025
35AQI
35AQI
22nd May 2025
30AQI
30AQI
23rd May 2025
29AQI
29AQI
24th May 2025
29AQI
29AQI
25th May 2025
31AQI
31AQI
26th May 2025
26AQI
26AQI
27th May 2025
29AQI
29AQI
28th May 2025
33AQI
33AQI
29th May 2025
36AQI
36AQI
30th May 2025
41AQI
41AQI
31st May 2025
35AQI
35AQI
1st June 2025
29AQI
29AQI
2nd June 2025
30AQI
30AQI
3rd June 2025
32AQI
32AQI
4th June 2025
33AQI
33AQI
5th June 2025
33AQI
33AQI
6th June 2025
32AQI
32AQI
7th June 2025
28AQI
28AQI
8th June 2025
45AQI
45AQI
9th June 2025
56AQI
56AQI
10th June 2025
58AQI
58AQI
11th June 2025
61AQI
61AQI
12th June 2025
60AQI
60AQI
13th June 2025
60AQI
60AQI
14th June 2025
55AQI
55AQI
15th June 2025
49AQI
49AQI
16th June 2025
40AQI
40AQI
17th June 2025
44AQI
44AQI
18th June 2025
48AQI
48AQI
19th June 2025
53AQI
53AQI
20th June 2025
56AQI
56AQI
21st June 2025
54AQI
54AQI
22nd June 2025
52AQI
52AQI
23rd June 2025
53AQI
53AQI
24th June 2025
54AQI
54AQI
25th June 2025
52AQI
52AQI
26th June 2025
49AQI
49AQI
27th June 2025
45AQI
45AQI
28th June 2025
43AQI
43AQI
29th June 2025
41AQI
41AQI
30th June 2025
42AQI
42AQI
1st July 2025
42AQI
42AQI
2nd July 2025
38AQI
38AQI
3rd July 2025
33AQI
33AQI
4th July 2025
34AQI
34AQI
5th July 2025
34AQI
34AQI
6th July 2025
33AQI
33AQI
7th July 2025
33AQI
33AQI
8th July 2025
30AQI
30AQI
9th July 2025
28AQI
28AQI
10th July 2025
31AQI
31AQI
11th July 2025
36AQI
36AQI
12th July 2025
40AQI
40AQI
13th July 2025
41AQI
41AQI
14th July 2025
38AQI
38AQI
15th July 2025
39AQI
39AQI
16th July 2025
40AQI
40AQI
17th July 2025
42AQI
42AQI
18th July 2025
38AQI
38AQI
19th July 2025
32AQI
32AQI
20th July 2025
28AQI
28AQI
21st July 2025
26AQI
26AQI
22nd July 2025
23AQI
23AQI
23rd July 2025
22AQI
22AQI
24th July 2025
21AQI
21AQI
25th July 2025
27AQI
27AQI
26th July 2025
32AQI
32AQI
27th July 2025
34AQI
34AQI
28th July 2025
28AQI
28AQI
29th July 2025
26AQI
26AQI
30th July 2025
25AQI
25AQI
31st July 2025
22AQI
22AQI
1st August 2025
26AQI
26AQI
2nd August 2025
25AQI
25AQI
3rd August 2025
28AQI
28AQI
4th August 2025
30AQI
30AQI
5th August 2025
36AQI
36AQI
6th August 2025
33AQI
33AQI
7th August 2025
38AQI
38AQI
8th August 2025
35AQI
35AQI
9th August 2025
31AQI
31AQI
10th August 2025
31AQI
31AQI
11th August 2025
44AQI
44AQI
12th August 2025
55AQI
55AQI
13th August 2025
57AQI
57AQI
14th August 2025
56AQI
56AQI
15th August 2025
56AQI
56AQI
16th August 2025
55AQI
55AQI
17th August 2025
56AQI
56AQI
18th August 2025
52AQI
52AQI
19th August 2025
52AQI
52AQI
20th August 2025
41AQI
41AQI
21st August 2025
35AQI
35AQI
22nd August 2025
34AQI
34AQI
23rd August 2025
31AQI
31AQI
24th August 2025
35AQI
35AQI
25th August 2025
35AQI
35AQI
26th August 2025
46AQI
46AQI
27th August 2025
40AQI
40AQI
28th August 2025
34AQI
34AQI
29th August 2025
28AQI
28AQI
30th August 2025
22AQI
22AQI
31st August 2025
23AQI
23AQI
1st September 2025
24AQI
24AQI
2nd September 2025
23AQI
23AQI
3rd September 2025
28AQI
28AQI
4th September 2025
28AQI
28AQI
5th September 2025
25AQI
25AQI
6th September 2025
26AQI
26AQI
7th September 2025
26AQI
26AQI
8th September 2025
26AQI
26AQI
9th September 2025
22AQI
22AQI
10th September 2025
24AQI
24AQI
11th September 2025
29AQI
29AQI
12th September 2025
25AQI
25AQI
13th September 2025
26AQI
26AQI
14th September 2025
23AQI
23AQI
15th September 2025
22AQI
22AQI
16th September 2025
27AQI
27AQI
17th September 2025
29AQI
29AQI
18th September 2025
40AQI
40AQI
19th September 2025
47AQI
47AQI
20th September 2025
42AQI
42AQI
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
41AQI
42AQI
34AQI
31AQI
31AQI
46AQI
32AQI
39AQI
28AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
22
9
25
3
30
1
30
31
17
13
31
23
8
20
229
34
Highest AQI recorded in
June46AQI
Lowest AQI recorded in
September28AQI
202428AQI
31
29
31
30
31
30
30
1
29
1
28
31
25
5
27
4
352
11
Highest AQI recorded in
December42AQI
Lowest AQI recorded in
January19AQI
202322AQI
31
28
25
28
31
30
29
25
30
31
29
31
348
Highest AQI recorded in
February27AQI
Lowest AQI recorded in
November18AQI
202226AQI
30
1
21
29
2
30
31
30
23
1
1
26
2
30
1
30
31
312
5
2
Highest AQI recorded in
March32AQI
Lowest AQI recorded in
December19AQI
202125AQI
5
10
1
29
2
28
2
31
30
31
31
30
31
27
29
312
5
Highest AQI recorded in
February36AQI
Lowest AQI recorded in
January12AQI
202026AQI
13
21
18
30
31
31
30
31
14
15
234
Highest AQI recorded in
March34AQI
Lowest AQI recorded in
December18AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
36AQILeast Polluted Year Recorded
2023(Avg.)
22AQISantander Center's annual 2025 AQI (36) shows an average percentage change of 44.6% (worsened AQI) compared to previous years: 2020 (26), 2021 (25), 2022 (26), 2023 (22), 2024 (28).
