Usurbil, Donostia, Basque Country, 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+
August Air Quality Analysis
Usurbil, Donostia, Basque Country, Spain
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
27th Aug 2024
82AQILowest AQI recorded on
4th Aug 2021
19AQISame Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 38 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Usurbil, Donostia, Basque Country, Spain
AQI
Day
Night
.
6 AM5th Aug 2025
9 PM
5 AM6th Aug 2025
Day time
Avg. Highest Time
10AM5th Aug
48AQI
Avg. Lowest Time
8PM5th Aug
32AQI
Night time
Avg. Highest Time
6AM5th Aug
38AQI
Avg. Lowest Time
5AM6th Aug
21AQI
In the last 24 hours,
Usurbil's AQI reached its highest point of 48 at 10 AM during the Day, while the lowest point, 21, was recorded at 5 AM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Usurbil, Donostia, Basque Country, Spain
JulAug
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th
Day
Night
7th Jul 2025256 AMAQI
7th Jul 2025257 AMAQI
7th Jul 2025278 AMAQI
7th Jul 2025309 AMAQI
7th Jul 20253010 AMAQI
7th Jul 20253011 AMAQI
7th Jul 20252612 PMAQI
7th Jul 2025271 PMAQI
7th Jul 2025272 PMAQI
7th Jul 2025263 PMAQI
7th Jul 2025274 PMAQI
7th Jul 2025285 PMAQI
7th Jul 2025266 PMAQI
7th Jul 2025287 PMAQI
7th Jul 2025288 PMAQI
7th Jul 2025299 PMAQI
7th Jul 20252910 PMAQI
7th Jul 20253011 PMAQI
8th Jul 20253012 AMAQI
8th Jul 2025301 AMAQI
8th Jul 2025302 AMAQI
8th Jul 2025343 AMAQI
8th Jul 2025444 AMAQI
8th Jul 2025355 AMAQI
18°C17/20°C
8th Jul 2025386 AMAQI
8th Jul 2025357 AMAQI
8th Jul 2025338 AMAQI
8th Jul 2025349 AMAQI
8th Jul 20253410 AMAQI
8th Jul 20253611 AMAQI
8th Jul 20253212 PMAQI
8th Jul 2025341 PMAQI
8th Jul 2025302 PMAQI
8th Jul 2025283 PMAQI
8th Jul 2025284 PMAQI
8th Jul 2025275 PMAQI
8th Jul 2025286 PMAQI
8th Jul 2025277 PMAQI
8th Jul 2025288 PMAQI
8th Jul 2025299 PMAQI
8th Jul 20253110 PMAQI
8th Jul 20253111 PMAQI
9th Jul 20253112 AMAQI
9th Jul 2025321 AMAQI
9th Jul 2025342 AMAQI
9th Jul 2025403 AMAQI
9th Jul 2025424 AMAQI
9th Jul 2025365 AMAQI
18°C15/22°C
9th Jul 2025276 AMAQI
9th Jul 2025267 AMAQI
9th Jul 2025298 AMAQI
9th Jul 2025309 AMAQI
9th Jul 20253010 AMAQI
9th Jul 20252711 AMAQI
9th Jul 20252612 PMAQI
9th Jul 2025251 PMAQI
9th Jul 2025312 PMAQI
9th Jul 2025313 PMAQI
9th Jul 2025324 PMAQI
9th Jul 2025335 PMAQI
9th Jul 2025336 PMAQI
9th Jul 2025337 PMAQI
9th Jul 2025328 PMAQI
9th Jul 2025329 PMAQI
9th Jul 20253210 PMAQI
9th Jul 20253211 PMAQI
10th Jul 20253212 AMAQI
10th Jul 2025321 AMAQI
10th Jul 2025422 AMAQI
10th Jul 2025563 AMAQI
10th Jul 2025564 AMAQI
10th Jul 2025525 AMAQI
19°C14/25°C
10th Jul 2025466 AMAQI
10th Jul 2025467 AMAQI
10th Jul 2025468 AMAQI
10th Jul 2025449 AMAQI
10th Jul 20254210 AMAQI
10th Jul 20253811 AMAQI
10th Jul 20253412 PMAQI
10th Jul 2025381 PMAQI
10th Jul 2025442 PMAQI
10th Jul 2025363 PMAQI
10th Jul 2025364 PMAQI
10th Jul 2025355 PMAQI
10th Jul 2025396 PMAQI
10th Jul 2025427 PMAQI
10th Jul 2025418 PMAQI
10th Jul 2025429 PMAQI
10th Jul 20254210 PMAQI
10th Jul 20254211 PMAQI
11th Jul 20254212 AMAQI
11th Jul 2025421 AMAQI
11th Jul 2025512 AMAQI
11th Jul 2025563 AMAQI
11th Jul 2025574 AMAQI
11th Jul 2025545 AMAQI
21°C16/27°C
11th Jul 2025536 AMAQI
11th Jul 2025537 AMAQI
11th Jul 2025528 AMAQI
11th Jul 2025539 AMAQI
11th Jul 20255310 AMAQI
11th Jul 20254911 AMAQI
11th Jul 20254912 PMAQI
11th Jul 2025521 PMAQI
11th Jul 2025522 PMAQI
11th Jul 2025513 PMAQI
11th Jul 2025464 PMAQI
11th Jul 2025445 PMAQI
11th Jul 2025486 PMAQI
11th Jul 2025477 PMAQI
11th Jul 2025508 PMAQI
11th Jul 2025509 PMAQI
11th Jul 20254910 PMAQI
11th Jul 20255011 PMAQI
12th Jul 20254912 AMAQI
12th Jul 2025501 AMAQI
12th Jul 2025502 AMAQI
12th Jul 2025493 AMAQI
12th Jul 2025454 AMAQI
12th Jul 2025435 AMAQI
21°C18/26°C
12th Jul 2025506 AMAQI
12th Jul 2025527 AMAQI
12th Jul 2025478 AMAQI
12th Jul 2025529 AMAQI
12th Jul 20255410 AMAQI
12th Jul 20255011 AMAQI
12th Jul 20254812 PMAQI
12th Jul 2025471 PMAQI
12th Jul 2025462 PMAQI
12th Jul 2025473 PMAQI
12th Jul 2025464 PMAQI
12th Jul 2025475 PMAQI
12th Jul 2025476 PMAQI
12th Jul 2025477 PMAQI
12th Jul 2025478 PMAQI
12th Jul 2025489 PMAQI
12th Jul 20254810 PMAQI
12th Jul 20254811 PMAQI
13th Jul 20254812 AMAQI
13th Jul 2025491 AMAQI
13th Jul 2025452 AMAQI
13th Jul 2025383 AMAQI
13th Jul 2025274 AMAQI
13th Jul 2025305 AMAQI
21°C18/25°C
13th Jul 2025406 AMAQI
13th Jul 2025437 AMAQI
13th Jul 2025428 AMAQI
13th Jul 2025469 AMAQI
13th Jul 20254610 AMAQI
13th Jul 20254611 AMAQI
13th Jul 20255012 PMAQI
13th Jul 2025481 PMAQI
13th Jul 2025442 PMAQI
13th Jul 2025423 PMAQI
13th Jul 2025424 PMAQI
13th Jul 2025425 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025407 PMAQI
13th Jul 2025428 PMAQI
13th Jul 2025429 PMAQI
13th Jul 20254310 PMAQI
13th Jul 20254411 PMAQI
14th Jul 20254312 AMAQI
14th Jul 2025461 AMAQI
14th Jul 2025432 AMAQI
14th Jul 2025443 AMAQI
14th Jul 2025504 AMAQI
14th Jul 2025465 AMAQI
20°C17/24°C
14th Jul 2025416 AMAQI
14th Jul 2025427 AMAQI
14th Jul 2025428 AMAQI
14th Jul 2025409 AMAQI
14th Jul 20253910 AMAQI
14th Jul 20253711 AMAQI
14th Jul 20253912 PMAQI
14th Jul 2025401 PMAQI
14th Jul 2025442 PMAQI
14th Jul 2025423 PMAQI
14th Jul 2025434 PMAQI
14th Jul 2025445 PMAQI
14th Jul 2025436 PMAQI
14th Jul 2025417 PMAQI
14th Jul 2025418 PMAQI
14th Jul 2025429 PMAQI
14th Jul 20254310 PMAQI
14th Jul 20254311 PMAQI
15th Jul 20254312 AMAQI
15th Jul 2025431 AMAQI
15th Jul 2025372 AMAQI
15th Jul 2025223 AMAQI
15th Jul 2025184 AMAQI
15th Jul 2025195 AMAQI
20°C18/23°C
15th Jul 2025256 AMAQI
15th Jul 2025257 AMAQI
15th Jul 2025278 AMAQI
15th Jul 2025309 AMAQI
15th Jul 20253210 AMAQI
15th Jul 20253611 AMAQI
15th Jul 20253712 PMAQI
15th Jul 2025361 PMAQI
15th Jul 2025342 PMAQI
15th Jul 2025343 PMAQI
15th Jul 2025354 PMAQI
15th Jul 2025385 PMAQI
15th Jul 2025346 PMAQI
15th Jul 2025327 PMAQI
15th Jul 2025358 PMAQI
15th Jul 2025379 PMAQI
15th Jul 20253510 PMAQI
15th Jul 20253611 PMAQI
16th Jul 20253612 AMAQI
16th Jul 2025361 AMAQI
16th Jul 2025452 AMAQI
16th Jul 2025533 AMAQI
16th Jul 2025504 AMAQI
16th Jul 2025485 AMAQI
19°C16/23°C
16th Jul 2025406 AMAQI
16th Jul 2025417 AMAQI
16th Jul 2025438 AMAQI
16th Jul 2025409 AMAQI
16th Jul 20253810 AMAQI
16th Jul 20253711 AMAQI
16th Jul 20253712 PMAQI
16th Jul 2025411 PMAQI
16th Jul 2025422 PMAQI
16th Jul 2025423 PMAQI
16th Jul 2025444 PMAQI
16th Jul 2025445 PMAQI
16th Jul 2025446 PMAQI
16th Jul 2025437 PMAQI
16th Jul 2025428 PMAQI
16th Jul 2025439 PMAQI
16th Jul 20254210 PMAQI
16th Jul 20254211 PMAQI
17th Jul 20254212 AMAQI
17th Jul 2025421 AMAQI
17th Jul 2025482 AMAQI
17th Jul 2025543 AMAQI
17th Jul 2025464 AMAQI
17th Jul 2025385 AMAQI
21°C16/27°C
17th Jul 2025536 AMAQI
17th Jul 2025507 AMAQI
17th Jul 2025498 AMAQI
17th Jul 2025489 AMAQI
17th Jul 20254610 AMAQI
17th Jul 20254111 AMAQI
17th Jul 20253812 PMAQI
17th Jul 2025421 PMAQI
17th Jul 2025432 PMAQI
17th Jul 2025423 PMAQI
17th Jul 2025454 PMAQI
17th Jul 2025455 PMAQI
17th Jul 2025466 PMAQI
17th Jul 2025467 PMAQI
17th Jul 2025478 PMAQI
17th Jul 2025479 PMAQI
17th Jul 20254610 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025441 AMAQI
18th Jul 2025402 AMAQI
18th Jul 2025353 AMAQI
18th Jul 2025394 AMAQI
18th Jul 2025465 AMAQI
21°C17/27°C
18th Jul 2025396 AMAQI
18th Jul 2025487 AMAQI
18th Jul 2025448 AMAQI
18th Jul 2025459 AMAQI
18th Jul 20254210 AMAQI
18th Jul 20254011 AMAQI
18th Jul 20253612 PMAQI
18th Jul 2025361 PMAQI
18th Jul 2025422 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025434 PMAQI
18th Jul 2025465 PMAQI
18th Jul 2025406 PMAQI
18th Jul 2025427 PMAQI
18th Jul 2025448 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20254011 PMAQI
19th Jul 20254012 AMAQI
19th Jul 2025401 AMAQI
19th Jul 2025362 AMAQI
19th Jul 2025363 AMAQI
19th Jul 2025234 AMAQI
19th Jul 2025215 AMAQI
20°C17/23°C
19th Jul 2025286 AMAQI
19th Jul 2025297 AMAQI
19th Jul 2025318 AMAQI
19th Jul 2025339 AMAQI
19th Jul 20253210 AMAQI
19th Jul 20253011 AMAQI
19th Jul 20252412 PMAQI
19th Jul 2025251 PMAQI
19th Jul 2025302 PMAQI
19th Jul 2025293 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025305 PMAQI
19th Jul 2025306 PMAQI
19th Jul 2025307 PMAQI
19th Jul 2025298 PMAQI
19th Jul 2025319 PMAQI
19th Jul 20253110 PMAQI
19th Jul 20253111 PMAQI
20th Jul 20253112 AMAQI
20th Jul 2025311 AMAQI
20th Jul 2025282 AMAQI
20th Jul 2025173 AMAQI
20th Jul 2025194 AMAQI
20th Jul 2025245 AMAQI
20°C17/23°C
20th Jul 2025266 AMAQI
20th Jul 2025247 AMAQI
20th Jul 2025268 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20253010 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20252212 PMAQI
20th Jul 2025231 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025263 PMAQI
20th Jul 2025254 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025287 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025269 PMAQI
20th Jul 20252610 PMAQI
20th Jul 20252611 PMAQI
21st Jul 20252612 AMAQI
21st Jul 2025261 AMAQI
21st Jul 2025312 AMAQI
21st Jul 2025353 AMAQI
21st Jul 2025324 AMAQI
21st Jul 2025245 AMAQI
20°C15/21°C
21st Jul 2025296 AMAQI
21st Jul 2025357 AMAQI
21st Jul 2025348 AMAQI
21st Jul 2025429 AMAQI
21st Jul 20254410 AMAQI
21st Jul 20253811 AMAQI
21st Jul 20253312 PMAQI
21st Jul 2025261 PMAQI
21st Jul 2025242 PMAQI
21st Jul 2025233 PMAQI
21st Jul 2025244 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025236 PMAQI
21st Jul 2025247 PMAQI
21st Jul 2025258 PMAQI
21st Jul 2025299 PMAQI
21st Jul 20253010 PMAQI
21st Jul 20253111 PMAQI
22nd Jul 20252912 AMAQI
22nd Jul 2025321 AMAQI
22nd Jul 2025282 AMAQI
22nd Jul 2025273 AMAQI
22nd Jul 2025264 AMAQI
22nd Jul 2025185 AMAQI
19°C15/22°C
22nd Jul 2025256 AMAQI
22nd Jul 2025297 AMAQI
22nd Jul 2025268 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20253110 AMAQI
22nd Jul 20252811 AMAQI
22nd Jul 20253212 PMAQI
22nd Jul 2025421 PMAQI
22nd Jul 2025282 PMAQI
22nd Jul 2025243 PMAQI
22nd Jul 2025224 PMAQI
22nd Jul 2025225 PMAQI
22nd Jul 2025236 PMAQI
22nd Jul 2025247 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025239 PMAQI
22nd Jul 20252510 PMAQI
22nd Jul 20252611 PMAQI
23rd Jul 20252612 AMAQI
23rd Jul 2025261 AMAQI
23rd Jul 2025322 AMAQI
23rd Jul 2025443 AMAQI
23rd Jul 2025384 AMAQI
23rd Jul 2025285 AMAQI
20°C15/25°C
23rd Jul 2025266 AMAQI
23rd Jul 2025267 AMAQI
23rd Jul 2025288 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20252810 AMAQI
23rd Jul 20252811 AMAQI
23rd Jul 20252712 PMAQI
23rd Jul 2025261 PMAQI
23rd Jul 2025262 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025225 PMAQI
23rd Jul 2025236 PMAQI
23rd Jul 2025227 PMAQI
23rd Jul 2025238 PMAQI
23rd Jul 2025279 PMAQI
23rd Jul 20252810 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252712 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025282 AMAQI
24th Jul 2025253 AMAQI
24th Jul 2025184 AMAQI
24th Jul 2025165 AMAQI
18°C16/21°C
24th Jul 2025196 AMAQI
24th Jul 2025237 AMAQI
24th Jul 2025238 AMAQI
24th Jul 2025189 AMAQI
24th Jul 20252210 AMAQI
24th Jul 20252211 AMAQI
24th Jul 20251812 PMAQI
24th Jul 2025171 PMAQI
24th Jul 2025182 PMAQI
24th Jul 2025183 PMAQI
24th Jul 2025164 PMAQI
24th Jul 2025195 PMAQI
24th Jul 2025186 PMAQI
24th Jul 2025197 PMAQI
24th Jul 2025228 PMAQI
24th Jul 2025239 PMAQI
24th Jul 20252410 PMAQI
24th Jul 20252311 PMAQI
25th Jul 20252212 AMAQI
25th Jul 2025221 AMAQI
25th Jul 2025302 AMAQI
25th Jul 2025483 AMAQI
25th Jul 2025544 AMAQI
25th Jul 2025555 AMAQI
18°C16/21°C
25th Jul 2025546 AMAQI
25th Jul 2025517 AMAQI
25th Jul 2025508 AMAQI
25th Jul 2025509 AMAQI
25th Jul 20254210 AMAQI
25th Jul 20254011 AMAQI
25th Jul 20254012 PMAQI
25th Jul 2025381 PMAQI
25th Jul 2025382 PMAQI
25th Jul 2025373 PMAQI
25th Jul 2025404 PMAQI
25th Jul 2025505 PMAQI
25th Jul 2025506 PMAQI
25th Jul 2025507 PMAQI
25th Jul 2025528 PMAQI
25th Jul 2025499 PMAQI
25th Jul 20254010 PMAQI
25th Jul 20254111 PMAQI
26th Jul 20254112 AMAQI
26th Jul 2025411 AMAQI
26th Jul 2025472 AMAQI
26th Jul 2025563 AMAQI
26th Jul 2025504 AMAQI
26th Jul 2025485 AMAQI
18°C17/20°C
26th Jul 2025486 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025549 AMAQI
26th Jul 20255510 AMAQI
26th Jul 20255611 AMAQI
26th Jul 20255412 PMAQI
26th Jul 2025531 PMAQI
26th Jul 2025512 PMAQI
26th Jul 2025523 PMAQI
26th Jul 2025544 PMAQI
26th Jul 2025535 PMAQI
26th Jul 2025526 PMAQI
26th Jul 2025527 PMAQI
26th Jul 2025508 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255210 PMAQI
26th Jul 20255211 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025511 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025523 AMAQI
27th Jul 2025504 AMAQI
27th Jul 2025465 AMAQI
19°C17/21°C
27th Jul 2025486 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025528 AMAQI
27th Jul 2025529 AMAQI
27th Jul 20255210 AMAQI
27th Jul 20254611 AMAQI
27th Jul 20253912 PMAQI
27th Jul 2025381 PMAQI
27th Jul 2025422 PMAQI
27th Jul 2025393 PMAQI
27th Jul 2025394 PMAQI
27th Jul 2025405 PMAQI
27th Jul 2025396 PMAQI
27th Jul 2025387 PMAQI
27th Jul 2025358 PMAQI
27th Jul 2025389 PMAQI
27th Jul 20255010 PMAQI
27th Jul 20254811 PMAQI
28th Jul 20254912 AMAQI
28th Jul 2025501 AMAQI
28th Jul 2025412 AMAQI
28th Jul 2025163 AMAQI
28th Jul 2025154 AMAQI
28th Jul 2025165 AMAQI
19°C16/22°C
28th Jul 2025186 AMAQI
28th Jul 2025187 AMAQI
28th Jul 2025198 AMAQI
28th Jul 2025229 AMAQI
28th Jul 20252010 AMAQI
28th Jul 20252111 AMAQI
28th Jul 20252212 PMAQI
28th Jul 2025241 PMAQI
28th Jul 2025232 PMAQI
28th Jul 2025243 PMAQI
28th Jul 2025274 PMAQI
28th Jul 2025325 PMAQI
28th Jul 2025336 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025348 PMAQI
28th Jul 2025369 PMAQI
28th Jul 20253010 PMAQI
28th Jul 20253011 PMAQI
29th Jul 20252912 AMAQI
29th Jul 2025281 AMAQI
29th Jul 2025292 AMAQI
29th Jul 2025403 AMAQI
29th Jul 2025364 AMAQI
29th Jul 2025265 AMAQI
19°C18/21°C
29th Jul 2025256 AMAQI
29th Jul 2025247 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20252810 AMAQI
29th Jul 20252711 AMAQI
29th Jul 20252112 PMAQI
29th Jul 2025241 PMAQI
29th Jul 2025402 PMAQI
29th Jul 2025273 PMAQI
29th Jul 2025274 PMAQI
29th Jul 2025275 PMAQI
29th Jul 2025426 PMAQI
29th Jul 2025367 PMAQI
29th Jul 2025308 PMAQI
29th Jul 2025289 PMAQI
29th Jul 20252910 PMAQI
29th Jul 20252911 PMAQI
30th Jul 20252912 AMAQI
30th Jul 2025281 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025273 AMAQI
30th Jul 2025304 AMAQI
30th Jul 2025355 AMAQI
19°C17/21°C
30th Jul 2025416 AMAQI
30th Jul 2025427 AMAQI
30th Jul 2025368 AMAQI
30th Jul 2025359 AMAQI
30th Jul 20253210 AMAQI
30th Jul 20253211 AMAQI
30th Jul 20252412 PMAQI
30th Jul 2025201 PMAQI
30th Jul 2025242 PMAQI
30th Jul 2025243 PMAQI
30th Jul 2025274 PMAQI
30th Jul 2025275 PMAQI
30th Jul 2025256 PMAQI
30th Jul 2025257 PMAQI
30th Jul 2025268 PMAQI
30th Jul 2025269 PMAQI
30th Jul 20252710 PMAQI
30th Jul 20252711 PMAQI
31st Jul 20252712 AMAQI
31st Jul 2025271 AMAQI
31st Jul 2025272 AMAQI
31st Jul 2025273 AMAQI
31st Jul 2025284 AMAQI
31st Jul 2025305 AMAQI
19°C17/22°C
31st Jul 2025366 AMAQI
31st Jul 2025317 AMAQI
31st Jul 2025318 AMAQI
31st Jul 2025269 AMAQI
31st Jul 20251810 AMAQI
31st Jul 20251811 AMAQI
31st Jul 20252412 PMAQI
31st Jul 2025261 PMAQI
31st Jul 2025222 PMAQI
31st Jul 2025233 PMAQI
31st Jul 2025214 PMAQI
31st Jul 2025215 PMAQI
31st Jul 2025226 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025218 PMAQI
31st Jul 2025229 PMAQI
31st Jul 20252210 PMAQI
31st Jul 20252211 PMAQI
1st Aug 20252212 AMAQI
1st Aug 2025221 AMAQI
1st Aug 2025232 AMAQI
1st Aug 2025283 AMAQI
1st Aug 2025274 AMAQI
1st Aug 2025305 AMAQI
19°C17/22°C
1st Aug 2025286 AMAQI
1st Aug 2025317 AMAQI
1st Aug 2025288 AMAQI
1st Aug 2025329 AMAQI
1st Aug 20253610 AMAQI
1st Aug 20252711 AMAQI
1st Aug 20252712 PMAQI
1st Aug 2025301 PMAQI
1st Aug 2025252 PMAQI
1st Aug 2025253 PMAQI
1st Aug 2025244 PMAQI
1st Aug 2025235 PMAQI
1st Aug 2025206 PMAQI
1st Aug 2025227 PMAQI
1st Aug 2025218 PMAQI
1st Aug 2025259 PMAQI
1st Aug 20252610 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20252512 AMAQI
2nd Aug 2025261 AMAQI
2nd Aug 2025232 AMAQI
2nd Aug 2025223 AMAQI
2nd Aug 2025224 AMAQI
2nd Aug 2025205 AMAQI
20°C17/23°C
2nd Aug 2025226 AMAQI
2nd Aug 2025257 AMAQI
2nd Aug 2025268 AMAQI
2nd Aug 2025229 AMAQI
2nd Aug 20252510 AMAQI
2nd Aug 20252211 AMAQI
2nd Aug 20252412 PMAQI
2nd Aug 2025241 PMAQI
2nd Aug 2025262 PMAQI
2nd Aug 2025263 PMAQI
2nd Aug 2025224 PMAQI
2nd Aug 2025245 PMAQI
2nd Aug 2025256 PMAQI
2nd Aug 2025257 PMAQI
2nd Aug 2025248 PMAQI
2nd Aug 2025249 PMAQI
2nd Aug 20252510 PMAQI
2nd Aug 20252411 PMAQI
3rd Aug 20252412 AMAQI
3rd Aug 2025241 AMAQI
3rd Aug 2025252 AMAQI
3rd Aug 2025253 AMAQI
3rd Aug 2025284 AMAQI
3rd Aug 2025305 AMAQI
19°C17/23°C
3rd Aug 2025396 AMAQI
3rd Aug 2025287 AMAQI
3rd Aug 2025408 AMAQI
3rd Aug 2025309 AMAQI
3rd Aug 20253010 AMAQI
3rd Aug 20253011 AMAQI
3rd Aug 20253112 PMAQI
3rd Aug 2025251 PMAQI
3rd Aug 2025272 PMAQI
3rd Aug 2025273 PMAQI
3rd Aug 2025264 PMAQI
3rd Aug 2025275 PMAQI
3rd Aug 2025266 PMAQI
3rd Aug 2025267 PMAQI
3rd Aug 2025288 PMAQI
3rd Aug 2025299 PMAQI
3rd Aug 20252810 PMAQI
3rd Aug 20252711 PMAQI
4th Aug 20252612 AMAQI
4th Aug 2025261 AMAQI
4th Aug 2025302 AMAQI
4th Aug 2025343 AMAQI
4th Aug 2025314 AMAQI
4th Aug 2025305 AMAQI
19°C15/23°C
4th Aug 2025306 AMAQI
4th Aug 2025317 AMAQI
4th Aug 2025348 AMAQI
4th Aug 2025339 AMAQI
4th Aug 20253610 AMAQI
4th Aug 20253611 AMAQI
4th Aug 20253812 PMAQI
4th Aug 2025341 PMAQI
4th Aug 2025342 PMAQI
4th Aug 2025343 PMAQI
4th Aug 2025384 PMAQI
4th Aug 2025325 PMAQI
4th Aug 2025326 PMAQI
4th Aug 2025367 PMAQI
4th Aug 2025358 PMAQI
4th Aug 2025329 PMAQI
4th Aug 20253310 PMAQI
4th Aug 20253211 PMAQI
5th Aug 20253212 AMAQI
5th Aug 2025321 AMAQI
5th Aug 2025362 AMAQI
5th Aug 2025383 AMAQI
5th Aug 2025404 AMAQI
5th Aug 2025415 AMAQI
21°C15/30°C
5th Aug 2025386 AMAQI
5th Aug 2025387 AMAQI
5th Aug 2025468 AMAQI
5th Aug 2025459 AMAQI
5th Aug 20254810 AMAQI
5th Aug 20254611 AMAQI
5th Aug 20253812 PMAQI
5th Aug 2025371 PMAQI
5th Aug 2025342 PMAQI
5th Aug 2025323 PMAQI
5th Aug 2025334 PMAQI
5th Aug 2025335 PMAQI
5th Aug 2025336 PMAQI
5th Aug 2025337 PMAQI
5th Aug 2025328 PMAQI
5th Aug 2025359 PMAQI
5th Aug 20253610 PMAQI
5th Aug 20253611 PMAQI
6th Aug 20253412 AMAQI
6th Aug 2025371 AMAQI
6th Aug 2025262 AMAQI
6th Aug 2025213 AMAQI
6th Aug 2025224 AMAQI
6th Aug 2025215 AMAQI
20°C16/24°C
6th Aug 2025256 AMAQI
6 AM6th Aug 2025287 AMAQI
6th Aug 2025288 AMAQI
6th Aug 2025329 AMAQI
6th Aug 20253310 AMAQI
6th Aug 20253111 AMAQI
6th Aug 20253212 PMAQI
6th Aug 2025311 PMAQI
1 PM6th Aug 2025312 PMAQI
6th Aug 2025303 PMAQI
6th Aug 2025314 PMAQI
6th Aug 2025325 PMAQI
6th Aug 2025306 PMAQI
6th Aug 2025317 PMAQI
6th Aug 2025308 PMAQI
9 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 11 AM
36AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
3 PM - 9 PM
33AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 11 AM (Avg. 36), while the lowest AQI was between 3 PM to 9 PM (Avg. 33).
Night time
Avg. Highest Time
12 AM - 4 AM
35AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
5 AM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 35), while the lowest AQI was between 5 AM to 5 AM (Avg. 33).
2025 Days Vs Air Quality
Usurbil, Donostia, Basque Country, Spain
2025
86%
187
14%
30
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
187 DaysModerate
30 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 218 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
Usurbil, Donostia, Basque Country, 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.
1st January 2025
40AQI
40AQI
2nd January 2025
31AQI
31AQI
3rd January 2025
37AQI
37AQI
4th January 2025
25AQI
25AQI
5th January 2025
25AQI
25AQI
6th January 2025
33AQI
33AQI
7th January 2025
32AQI
32AQI
8th January 2025
27AQI
27AQI
9th January 2025
33AQI
33AQI
10th January 2025
26AQI
26AQI
11th January 2025
33AQI
33AQI
12th January 2025
33AQI
33AQI
13th January 2025
54AQI
54AQI
14th January 2025
56AQI
56AQI
15th January 2025
70AQI
70AQI
16th January 2025
68AQI
68AQI
17th January 2025
65AQI
65AQI
18th January 2025
84AQI
84AQI
19th January 2025
48AQI
48AQI
20th January 2025
34AQI
34AQI
21st January 2025
28AQI
28AQI
22nd January 2025
25AQI
25AQI
23rd January 2025
33AQI
33AQI
24th January 2025
33AQI
33AQI
25th January 2025
28AQI
28AQI
26th January 2025
28AQI
28AQI
27th January 2025
35AQI
35AQI
28th January 2025
32AQI
32AQI
29th January 2025
29AQI
29AQI
30th January 2025
33AQI
33AQI
31st January 2025
37AQI
37AQI
1st February 2025
37AQI
37AQI
2nd February 2025
36AQI
36AQI
3rd February 2025
32AQI
32AQI
4th February 2025
52AQI
52AQI
5th February 2025
54AQI
54AQI
6th February 2025
64AQI
64AQI
7th February 2025
49AQI
49AQI
8th February 2025
38AQI
38AQI
9th February 2025
34AQI
34AQI
10th February 2025
27AQI
27AQI
11th February 2025
33AQI
33AQI
12th February 2025
37AQI
37AQI
13th February 2025
37AQI
37AQI
14th February 2025
42AQI
42AQI
15th February 2025
41AQI
41AQI
16th February 2025
38AQI
38AQI
17th February 2025
47AQI
47AQI
18th February 2025
44AQI
44AQI
19th February 2025
50AQI
50AQI
20th February 2025
49AQI
49AQI
21st February 2025
47AQI
47AQI
22nd February 2025
33AQI
33AQI
23rd February 2025
39AQI
39AQI
24th February 2025
31AQI
31AQI
25th February 2025
33AQI
33AQI
26th February 2025
38AQI
38AQI
27th February 2025
46AQI
46AQI
28th February 2025
57AQI
57AQI
1st March 2025
37AQI
37AQI
2nd March 2025
28AQI
28AQI
3rd March 2025
35AQI
35AQI
4th March 2025
40AQI
40AQI
5th March 2025
35AQI
35AQI
6th March 2025
31AQI
31AQI
7th March 2025
32AQI
32AQI
8th March 2025
32AQI
32AQI
9th March 2025
32AQI
32AQI
10th March 2025
31AQI
31AQI
11th March 2025
28AQI
28AQI
12th March 2025
35AQI
35AQI
13th March 2025
33AQI
33AQI
14th March 2025
37AQI
37AQI
15th March 2025
40AQI
40AQI
16th March 2025
41AQI
41AQI
17th March 2025
35AQI
35AQI
18th March 2025
26AQI
26AQI
19th March 2025
17AQI
17AQI
20th March 2025
40AQI
40AQI
21st March 2025
55AQI
55AQI
22nd March 2025
19AQI
19AQI
23rd March 2025
22AQI
22AQI
24th March 2025
35AQI
35AQI
25th March 2025
40AQI
40AQI
26th March 2025
49AQI
49AQI
27th March 2025
51AQI
51AQI
28th March 2025
37AQI
37AQI
29th March 2025
36AQI
36AQI
30th March 2025
38AQI
38AQI
31st March 2025
50AQI
50AQI
1st April 2025
56AQI
56AQI
2nd April 2025
53AQI
53AQI
3rd April 2025
28AQI
28AQI
4th April 2025
26AQI
26AQI
5th April 2025
24AQI
24AQI
6th April 2025
28AQI
28AQI
7th April 2025
27AQI
27AQI
8th April 2025
49AQI
49AQI
9th April 2025
61AQI
61AQI
10th April 2025
53AQI
53AQI
11th April 2025
43AQI
43AQI
12th April 2025
38AQI
38AQI
13th April 2025
38AQI
38AQI
14th April 2025
32AQI
32AQI
15th April 2025
23AQI
23AQI
16th April 2025
19AQI
19AQI
17th April 2025
19AQI
19AQI
18th April 2025
19AQI
19AQI
19th April 2025
16AQI
16AQI
20th April 2025
18AQI
18AQI
21st April 2025
24AQI
24AQI
22nd April 2025
24AQI
24AQI
23rd April 2025
29AQI
29AQI
24th April 2025
22AQI
22AQI
25th April 2025
30AQI
30AQI
26th April 2025
29AQI
29AQI
27th April 2025
27AQI
27AQI
28th April 2025
31AQI
31AQI
29th April 2025
26AQI
26AQI
30th April 2025
24AQI
24AQI
1st May 2025
35AQI
35AQI
2nd May 2025
50AQI
50AQI
3rd May 2025
41AQI
41AQI
4th May 2025
34AQI
34AQI
5th May 2025
31AQI
31AQI
6th May 2025
29AQI
29AQI
7th May 2025
35AQI
35AQI
8th May 2025
38AQI
38AQI
9th May 2025
48AQI
48AQI
10th May 2025
31AQI
31AQI
11th May 2025
28AQI
28AQI
12th May 2025
32AQI
32AQI
13th May 2025
30AQI
30AQI
14th May 2025
33AQI
33AQI
15th May 2025
30AQI
30AQI
16th May 2025
49AQI
49AQI
17th May 2025
49AQI
49AQI
18th May 2025
46AQI
46AQI
19th May 2025
46AQI
46AQI
20th May 2025
44AQI
44AQI
21st May 2025
41AQI
41AQI
22nd May 2025
28AQI
28AQI
23rd May 2025
33AQI
33AQI
24th May 2025
32AQI
32AQI
25th May 2025
32AQI
32AQI
26th May 2025
26AQI
26AQI
27th May 2025
30AQI
30AQI
28th May 2025
38AQI
38AQI
29th May 2025
37AQI
37AQI
30th May 2025
52AQI
52AQI
31st May 2025
41AQI
41AQI
1st June 2025
21AQI
21AQI
2nd June 2025
24AQI
24AQI
3rd June 2025
40AQI
40AQI
4th June 2025
30AQI
30AQI
5th June 2025
24AQI
24AQI
6th June 2025
28AQI
28AQI
7th June 2025
26AQI
26AQI
8th June 2025
43AQI
43AQI
9th June 2025
61AQI
61AQI
10th June 2025
65AQI
65AQI
11th June 2025
63AQI
63AQI
12th June 2025
54AQI
54AQI
13th June 2025
60AQI
60AQI
14th June 2025
49AQI
49AQI
15th June 2025
36AQI
36AQI
16th June 2025
33AQI
33AQI
17th June 2025
40AQI
40AQI
18th June 2025
46AQI
46AQI
19th June 2025
54AQI
54AQI
20th June 2025
57AQI
57AQI
21st June 2025
55AQI
55AQI
22nd June 2025
53AQI
53AQI
23rd June 2025
48AQI
48AQI
24th June 2025
54AQI
54AQI
25th June 2025
53AQI
53AQI
26th June 2025
46AQI
46AQI
27th June 2025
40AQI
40AQI
28th June 2025
37AQI
37AQI
29th June 2025
35AQI
35AQI
30th June 2025
40AQI
40AQI
1st July 2025
51AQI
51AQI
2nd July 2025
38AQI
38AQI
3rd July 2025
32AQI
32AQI
4th July 2025
38AQI
38AQI
5th July 2025
39AQI
39AQI
6th July 2025
37AQI
37AQI
7th July 2025
30AQI
30AQI
8th July 2025
31AQI
31AQI
9th July 2025
32AQI
32AQI
10th July 2025
40AQI
40AQI
11th July 2025
49AQI
49AQI
12th July 2025
48AQI
48AQI
13th July 2025
43AQI
43AQI
14th July 2025
43AQI
43AQI
15th July 2025
34AQI
34AQI
16th July 2025
41AQI
41AQI
17th July 2025
45AQI
45AQI
18th July 2025
42AQI
42AQI
19th July 2025
32AQI
32AQI
20th July 2025
26AQI
26AQI
21st July 2025
29AQI
29AQI
22nd July 2025
26AQI
26AQI
23rd July 2025
27AQI
27AQI
24th July 2025
21AQI
21AQI
25th July 2025
44AQI
44AQI
26th July 2025
51AQI
51AQI
27th July 2025
45AQI
45AQI
28th July 2025
28AQI
28AQI
29th July 2025
30AQI
30AQI
30th July 2025
29AQI
29AQI
31st July 2025
25AQI
25AQI
1st August 2025
26AQI
26AQI
2nd August 2025
24AQI
24AQI
3rd August 2025
28AQI
28AQI
4th August 2025
33AQI
33AQI
5th August 2025
38AQI
38AQI
39AQI
42AQI
35AQI
31AQI
37AQI
44AQI
36AQI
30AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202537AQI
25
6
24
4
29
2
26
4
30
1
19
11
29
2
5
187
30
Highest AQI recorded in
June44AQI
Lowest AQI recorded in
August30AQI
202435AQI
23
8
15
4
30
1
27
3
29
2
29
1
30
1
30
1
30
30
1
27
3
25
6
325
31
Highest AQI recorded in
January42AQI
Lowest AQI recorded in
October31AQI
202340AQI
23
8
9
19
25
6
28
2
23
8
24
6
31
31
27
3
23
8
29
29
2
302
62
Highest AQI recorded in
February58AQI
Lowest AQI recorded in
August31AQI
202239AQI
18
13
15
6
25
6
27
3
30
1
26
4
17
7
1
24
4
22
9
30
28
3
263
56
Highest AQI recorded in
January48AQI
Lowest AQI recorded in
November32AQI
202136AQI
22
8
21
7
21
10
27
3
31
30
30
1
30
30
31
27
3
27
4
327
36
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
July28AQI
202033AQI
4
31
31
23
4
28
3
24
5
31
172
12
Highest AQI recorded in
November38AQI
Lowest AQI recorded in
June25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
40AQILeast Polluted Year Recorded
2020(Avg.)
33AQIUsurbil's annual 2025 AQI (37) shows an average percentage change of 3.5% (worsened AQI) compared to previous years: 2020 (33), 2021 (36), 2022 (39), 2023 (40), 2024 (35).
