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
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
27th Aug 2024
82AQILowest AQI recorded on
16th Aug 2023
20AQISame Day Analysis (5th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 34 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Usurbil, Donostia, Basque Country, Spain
AQI
Day
Night
.
6 AM4th Aug 2026
9 PM
5 AM5th Aug 2026
Day time
Avg. Highest Time
6PM4th Aug
44AQI
Avg. Lowest Time
9PM4th Aug
36AQI
Night time
Avg. Highest Time
6AM4th Aug
44AQI
Avg. Lowest Time
4AM5th Aug
36AQI
In the last 24 hours,
Usurbil's AQI reached its highest point of 44 at 6 AM during the Night, while the lowest point, 36, was recorded at 4 AM during the Night between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
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
Day
Night
7th Jul 2026606 AMAQI
7th Jul 2026607 AMAQI
7th Jul 2026518 AMAQI
7th Jul 2026469 AMAQI
7th Jul 20265010 AMAQI
7th Jul 20263611 AMAQI
7th Jul 20262912 PMAQI
7th Jul 2026421 PMAQI
7th Jul 2026642 PMAQI
7th Jul 2026783 PMAQI
7th Jul 2026664 PMAQI
7th Jul 2026665 PMAQI
7th Jul 2026536 PMAQI
7th Jul 2026467 PMAQI
7th Jul 2026338 PMAQI
7th Jul 2026339 PMAQI
7th Jul 20265110 PMAQI
7th Jul 20266011 PMAQI
8th Jul 20266212 AMAQI
8th Jul 2026581 AMAQI
8th Jul 2026542 AMAQI
8th Jul 2026543 AMAQI
8th Jul 2026444 AMAQI
8th Jul 2026225 AMAQI
23°C18/28°C
8th Jul 2026286 AMAQI
8th Jul 2026447 AMAQI
8th Jul 2026508 AMAQI
8th Jul 2026529 AMAQI
8th Jul 20265210 AMAQI
8th Jul 20265011 AMAQI
8th Jul 20264412 PMAQI
8th Jul 2026361 PMAQI
8th Jul 2026402 PMAQI
8th Jul 2026533 PMAQI
8th Jul 2026624 PMAQI
8th Jul 2026565 PMAQI
8th Jul 2026506 PMAQI
8th Jul 2026337 PMAQI
8th Jul 2026368 PMAQI
8th Jul 2026429 PMAQI
8th Jul 20264010 PMAQI
8th Jul 20263311 PMAQI
9th Jul 20264212 AMAQI
9th Jul 2026491 AMAQI
9th Jul 2026512 AMAQI
9th Jul 2026503 AMAQI
9th Jul 2026384 AMAQI
9th Jul 2026275 AMAQI
21°C17/26°C
9th Jul 2026336 AMAQI
9th Jul 2026497 AMAQI
9th Jul 2026408 AMAQI
9th Jul 2026389 AMAQI
9th Jul 20264410 AMAQI
9th Jul 20264411 AMAQI
9th Jul 20262512 PMAQI
9th Jul 2026161 PMAQI
9th Jul 2026212 PMAQI
9th Jul 2026383 PMAQI
9th Jul 2026334 PMAQI
9th Jul 2026315 PMAQI
9th Jul 2026386 PMAQI
9th Jul 2026367 PMAQI
9th Jul 2026348 PMAQI
9th Jul 2026429 PMAQI
9th Jul 20263310 PMAQI
9th Jul 20262511 PMAQI
10th Jul 20263612 AMAQI
10th Jul 2026331 AMAQI
10th Jul 2026442 AMAQI
10th Jul 2026333 AMAQI
10th Jul 2026404 AMAQI
10th Jul 2026315 AMAQI
22°C17/27°C
10th Jul 2026446 AMAQI
10th Jul 2026297 AMAQI
10th Jul 2026368 AMAQI
10th Jul 2026369 AMAQI
10th Jul 20263410 AMAQI
10th Jul 20263411 AMAQI
10th Jul 20263112 PMAQI
10th Jul 2026301 PMAQI
10th Jul 2026282 PMAQI
10th Jul 2026173 PMAQI
10th Jul 2026224 PMAQI
10th Jul 2026205 PMAQI
10th Jul 2026306 PMAQI
10th Jul 2026427 PMAQI
10th Jul 2026548 PMAQI
10th Jul 2026309 PMAQI
10th Jul 20262610 PMAQI
10th Jul 20263211 PMAQI
11th Jul 20266412 AMAQI
11th Jul 2026461 AMAQI
11th Jul 2026482 AMAQI
11th Jul 2026413 AMAQI
11th Jul 2026424 AMAQI
11th Jul 2026495 AMAQI
22°C18/28°C
11th Jul 2026366 AMAQI
11th Jul 2026267 AMAQI
11th Jul 2026288 AMAQI
11th Jul 2026279 AMAQI
11th Jul 20263010 AMAQI
11th Jul 20263111 AMAQI
11th Jul 20264212 PMAQI
11th Jul 2026581 PMAQI
11th Jul 2026472 PMAQI
11th Jul 2026293 PMAQI
11th Jul 2026284 PMAQI
11th Jul 2026255 PMAQI
11th Jul 2026346 PMAQI
11th Jul 2026407 PMAQI
11th Jul 2026548 PMAQI
11th Jul 2026429 PMAQI
11th Jul 20262210 PMAQI
11th Jul 20262411 PMAQI
12th Jul 20264212 AMAQI
12th Jul 2026561 AMAQI
12th Jul 2026642 AMAQI
12th Jul 2026283 AMAQI
12th Jul 2026254 AMAQI
12th Jul 2026285 AMAQI
23°C17/30°C
12th Jul 2026236 AMAQI
12th Jul 2026187 AMAQI
12th Jul 2026148 AMAQI
12th Jul 2026249 AMAQI
12th Jul 20262210 AMAQI
12th Jul 20261811 AMAQI
12th Jul 20261612 PMAQI
12th Jul 2026301 PMAQI
12th Jul 2026382 PMAQI
12th Jul 2026643 PMAQI
12th Jul 2026544 PMAQI
12th Jul 2026585 PMAQI
12th Jul 2026746 PMAQI
12th Jul 2026557 PMAQI
12th Jul 2026388 PMAQI
12th Jul 2026469 PMAQI
12th Jul 20264810 PMAQI
12th Jul 20265711 PMAQI
13th Jul 20265412 AMAQI
13th Jul 2026621 AMAQI
13th Jul 2026582 AMAQI
13th Jul 2026533 AMAQI
13th Jul 2026464 AMAQI
13th Jul 2026335 AMAQI
26°C19/35°C
13th Jul 2026366 AMAQI
13th Jul 2026367 AMAQI
13th Jul 2026318 AMAQI
13th Jul 2026239 AMAQI
13th Jul 20263310 AMAQI
13th Jul 20263311 AMAQI
13th Jul 20262512 PMAQI
13th Jul 2026271 PMAQI
13th Jul 2026332 PMAQI
13th Jul 2026443 PMAQI
13th Jul 2026424 PMAQI
13th Jul 2026445 PMAQI
13th Jul 2026506 PMAQI
13th Jul 2026647 PMAQI
13th Jul 2026568 PMAQI
13th Jul 2026649 PMAQI
13th Jul 20267810 PMAQI
13th Jul 20267111 PMAQI
14th Jul 20265012 AMAQI
14th Jul 2026401 AMAQI
14th Jul 2026362 AMAQI
14th Jul 2026503 AMAQI
14th Jul 2026554 AMAQI
14th Jul 2026495 AMAQI
21°C18/26°C
14th Jul 2026316 AMAQI
14th Jul 2026297 AMAQI
14th Jul 2026318 AMAQI
14th Jul 2026339 AMAQI
14th Jul 20263810 AMAQI
14th Jul 20265111 AMAQI
14th Jul 20263612 PMAQI
14th Jul 2026271 PMAQI
14th Jul 2026322 PMAQI
14th Jul 2026423 PMAQI
14th Jul 2026504 PMAQI
14th Jul 2026565 PMAQI
14th Jul 2026576 PMAQI
14th Jul 2026537 PMAQI
14th Jul 2026548 PMAQI
14th Jul 2026529 PMAQI
14th Jul 20264810 PMAQI
14th Jul 20264011 PMAQI
15th Jul 20263112 AMAQI
15th Jul 2026251 AMAQI
15th Jul 2026232 AMAQI
15th Jul 2026273 AMAQI
15th Jul 2026314 AMAQI
15th Jul 2026315 AMAQI
22°C17/28°C
15th Jul 2026296 AMAQI
15th Jul 2026337 AMAQI
15th Jul 2026298 AMAQI
15th Jul 2026299 AMAQI
15th Jul 20264610 AMAQI
15th Jul 20263911 AMAQI
15th Jul 20263812 PMAQI
15th Jul 2026461 PMAQI
15th Jul 2026512 PMAQI
15th Jul 2026533 PMAQI
15th Jul 2026424 PMAQI
15th Jul 2026465 PMAQI
15th Jul 2026386 PMAQI
15th Jul 2026407 PMAQI
15th Jul 2026428 PMAQI
15th Jul 2026219 PMAQI
15th Jul 20265510 PMAQI
15th Jul 20264411 PMAQI
16th Jul 20266012 AMAQI
16th Jul 2026491 AMAQI
16th Jul 2026662 AMAQI
16th Jul 2026583 AMAQI
16th Jul 2026674 AMAQI
16th Jul 2026345 AMAQI
21°C17/26°C
16th Jul 2026306 AMAQI
16th Jul 2026297 AMAQI
16th Jul 2026268 AMAQI
16th Jul 2026289 AMAQI
16th Jul 20262810 AMAQI
16th Jul 20263411 AMAQI
16th Jul 20264212 PMAQI
16th Jul 2026421 PMAQI
16th Jul 2026302 PMAQI
16th Jul 2026343 PMAQI
16th Jul 2026274 PMAQI
16th Jul 2026195 PMAQI
16th Jul 2026196 PMAQI
16th Jul 2026197 PMAQI
16th Jul 2026178 PMAQI
16th Jul 2026229 PMAQI
16th Jul 20262310 PMAQI
16th Jul 20261711 PMAQI
17th Jul 20262512 AMAQI
17th Jul 2026251 AMAQI
17th Jul 2026562 AMAQI
17th Jul 2026333 AMAQI
17th Jul 2026334 AMAQI
17th Jul 2026295 AMAQI
21°C17/25°C
17th Jul 2026276 AMAQI
17th Jul 2026287 AMAQI
17th Jul 2026268 AMAQI
17th Jul 2026259 AMAQI
17th Jul 20262310 AMAQI
17th Jul 20264411 AMAQI
17th Jul 20264612 PMAQI
17th Jul 2026551 PMAQI
17th Jul 2026572 PMAQI
17th Jul 2026543 PMAQI
17th Jul 2026444 PMAQI
17th Jul 2026505 PMAQI
17th Jul 2026486 PMAQI
17th Jul 2026487 PMAQI
17th Jul 2026448 PMAQI
17th Jul 2026389 PMAQI
17th Jul 20263410 PMAQI
17th Jul 20264511 PMAQI
18th Jul 20265412 AMAQI
18th Jul 2026521 AMAQI
18th Jul 2026442 AMAQI
18th Jul 2026473 AMAQI
18th Jul 2026464 AMAQI
18th Jul 2026465 AMAQI
20°C18/23°C
18th Jul 2026466 AMAQI
18th Jul 2026527 AMAQI
18th Jul 2026518 AMAQI
18th Jul 2026549 AMAQI
18th Jul 20265510 AMAQI
18th Jul 20265011 AMAQI
18th Jul 20265712 PMAQI
18th Jul 2026571 PMAQI
18th Jul 2026512 PMAQI
18th Jul 2026443 PMAQI
18th Jul 2026384 PMAQI
18th Jul 2026365 PMAQI
18th Jul 2026366 PMAQI
18th Jul 2026367 PMAQI
18th Jul 2026388 PMAQI
18th Jul 2026469 PMAQI
18th Jul 20265310 PMAQI
18th Jul 20265411 PMAQI
19th Jul 20265512 AMAQI
19th Jul 2026541 AMAQI
19th Jul 2026542 AMAQI
19th Jul 2026563 AMAQI
19th Jul 2026534 AMAQI
19th Jul 2026465 AMAQI
20°C17/25°C
19th Jul 2026526 AMAQI
19th Jul 2026517 AMAQI
19th Jul 2026538 AMAQI
19th Jul 2026539 AMAQI
19th Jul 20265010 AMAQI
19th Jul 20264411 AMAQI
19th Jul 20265212 PMAQI
19th Jul 2026541 PMAQI
19th Jul 2026512 PMAQI
19th Jul 2026493 PMAQI
19th Jul 2026464 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026406 PMAQI
19th Jul 2026427 PMAQI
19th Jul 2026478 PMAQI
19th Jul 2026539 PMAQI
19th Jul 20265110 PMAQI
19th Jul 20265011 PMAQI
20th Jul 20265312 AMAQI
20th Jul 2026601 AMAQI
20th Jul 2026562 AMAQI
20th Jul 2026533 AMAQI
20th Jul 2026564 AMAQI
20th Jul 2026485 AMAQI
21°C17/26°C
20th Jul 2026506 AMAQI
20th Jul 2026517 AMAQI
20th Jul 2026518 AMAQI
20th Jul 2026539 AMAQI
20th Jul 20265210 AMAQI
20th Jul 20265411 AMAQI
20th Jul 20266212 PMAQI
20th Jul 2026581 PMAQI
20th Jul 2026592 PMAQI
20th Jul 2026883 PMAQI
20th Jul 2026584 PMAQI
20th Jul 2026605 PMAQI
20th Jul 2026516 PMAQI
20th Jul 2026237 PMAQI
20th Jul 2026238 PMAQI
20th Jul 2026209 PMAQI
20th Jul 20261910 PMAQI
20th Jul 20262011 PMAQI
21st Jul 20262012 AMAQI
21st Jul 2026191 AMAQI
21st Jul 2026202 AMAQI
21st Jul 2026263 AMAQI
21st Jul 2026274 AMAQI
22°C17/27°C
21st Jul 2026296 AMAQI
21st Jul 2026487 AMAQI
21st Jul 2026468 AMAQI
21st Jul 2026389 AMAQI
21st Jul 20262910 AMAQI
21st Jul 20263411 AMAQI
21st Jul 20264712 PMAQI
21st Jul 2026381 PMAQI
21st Jul 2026152 PMAQI
21st Jul 2026143 PMAQI
21st Jul 2026154 PMAQI
21st Jul 2026275 PMAQI
21st Jul 2026316 PMAQI
21st Jul 2026297 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20264410 PMAQI
21st Jul 20263111 PMAQI
22nd Jul 20262012 AMAQI
22nd Jul 2026231 AMAQI
22nd Jul 2026292 AMAQI
22nd Jul 2026313 AMAQI
22nd Jul 2026294 AMAQI
22nd Jul 2026215 AMAQI
20°C16/25°C
22nd Jul 2026166 AMAQI
22nd Jul 2026177 AMAQI
22nd Jul 2026148 AMAQI
22nd Jul 2026219 AMAQI
22nd Jul 20262510 AMAQI
22nd Jul 20262711 AMAQI
22nd Jul 20263112 PMAQI
22nd Jul 2026541 PMAQI
22nd Jul 2026682 PMAQI
22nd Jul 2026523 PMAQI
22nd Jul 2026644 PMAQI
22nd Jul 2026275 PMAQI
22nd Jul 2026296 PMAQI
22nd Jul 2026317 PMAQI
22nd Jul 2026278 PMAQI
22nd Jul 2026199 PMAQI
22nd Jul 20261810 PMAQI
22nd Jul 20263311 PMAQI
23rd Jul 20261712 AMAQI
23rd Jul 2026221 AMAQI
23rd Jul 2026442 AMAQI
23rd Jul 2026603 AMAQI
23rd Jul 2026544 AMAQI
23rd Jul 2026585 AMAQI
21°C15/27°C
23rd Jul 2026576 AMAQI
23rd Jul 2026577 AMAQI
23rd Jul 2026538 AMAQI
23rd Jul 2026529 AMAQI
23rd Jul 20264910 AMAQI
23rd Jul 20264811 AMAQI
23rd Jul 20263612 PMAQI
23rd Jul 2026531 PMAQI
23rd Jul 2026672 PMAQI
23rd Jul 2026683 PMAQI
23rd Jul 2026794 PMAQI
23rd Jul 2026825 PMAQI
23rd Jul 2026786 PMAQI
23rd Jul 2026697 PMAQI
23rd Jul 2026578 PMAQI
23rd Jul 2026409 PMAQI
23rd Jul 20261810 PMAQI
23rd Jul 20263011 PMAQI
24th Jul 20261812 AMAQI
24th Jul 2026201 AMAQI
24th Jul 2026282 AMAQI
24th Jul 2026293 AMAQI
24th Jul 2026464 AMAQI
24th Jul 2026485 AMAQI
21°C16/27°C
24th Jul 2026386 AMAQI
24th Jul 2026507 AMAQI
24th Jul 2026448 AMAQI
24th Jul 2026489 AMAQI
24th Jul 20265310 AMAQI
24th Jul 20265111 AMAQI
24th Jul 20265212 PMAQI
24th Jul 2026491 PMAQI
24th Jul 2026612 PMAQI
24th Jul 2026843 PMAQI
24th Jul 2026764 PMAQI
24th Jul 2026765 PMAQI
24th Jul 2026676 PMAQI
24th Jul 2026627 PMAQI
24th Jul 2026588 PMAQI
24th Jul 2026519 PMAQI
24th Jul 20264610 PMAQI
24th Jul 20263011 PMAQI
25th Jul 20265512 AMAQI
25th Jul 2026511 AMAQI
25th Jul 2026482 AMAQI
25th Jul 2026523 AMAQI
25th Jul 2026514 AMAQI
25th Jul 2026495 AMAQI
21°C16/27°C
25th Jul 2026496 AMAQI
25th Jul 2026507 AMAQI
25th Jul 2026498 AMAQI
25th Jul 2026539 AMAQI
25th Jul 20265610 AMAQI
25th Jul 20265211 AMAQI
25th Jul 20263312 PMAQI
25th Jul 2026511 PMAQI
25th Jul 2026422 PMAQI
25th Jul 2026313 PMAQI
25th Jul 2026504 PMAQI
25th Jul 2026515 PMAQI
25th Jul 2026336 PMAQI
25th Jul 2026317 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026429 PMAQI
25th Jul 20265110 PMAQI
25th Jul 20264611 PMAQI
26th Jul 20264012 AMAQI
26th Jul 2026491 AMAQI
26th Jul 2026572 AMAQI
26th Jul 2026553 AMAQI
26th Jul 2026534 AMAQI
26th Jul 2026495 AMAQI
20°C17/23°C
26th Jul 2026366 AMAQI
26th Jul 2026337 AMAQI
26th Jul 2026448 AMAQI
26th Jul 2026449 AMAQI
26th Jul 20264010 AMAQI
26th Jul 20264911 AMAQI
26th Jul 20265112 PMAQI
26th Jul 2026531 PMAQI
26th Jul 2026522 PMAQI
26th Jul 2026463 PMAQI
26th Jul 2026404 PMAQI
26th Jul 2026515 PMAQI
26th Jul 2026566 PMAQI
26th Jul 2026387 PMAQI
26th Jul 2026368 PMAQI
26th Jul 2026329 PMAQI
26th Jul 20262710 PMAQI
26th Jul 20264411 PMAQI
27th Jul 20264412 AMAQI
27th Jul 2026381 AMAQI
27th Jul 2026312 AMAQI
27th Jul 2026383 AMAQI
27th Jul 2026254 AMAQI
27th Jul 2026255 AMAQI
19°C17/22°C
27th Jul 2026316 AMAQI
27th Jul 2026347 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026409 AMAQI
27th Jul 20265410 AMAQI
27th Jul 20265211 AMAQI
27th Jul 20265212 PMAQI
27th Jul 2026541 PMAQI
27th Jul 2026572 PMAQI
27th Jul 2026553 PMAQI
27th Jul 2026544 PMAQI
27th Jul 2026505 PMAQI
27th Jul 2026426 PMAQI
27th Jul 2026277 PMAQI
27th Jul 2026278 PMAQI
27th Jul 2026299 PMAQI
27th Jul 20263110 PMAQI
27th Jul 20262711 PMAQI
28th Jul 20263812 AMAQI
28th Jul 2026531 AMAQI
28th Jul 2026492 AMAQI
28th Jul 2026463 AMAQI
28th Jul 2026464 AMAQI
28th Jul 2026445 AMAQI
20°C15/23°C
28th Jul 2026406 AMAQI
28th Jul 2026477 AMAQI
28th Jul 2026408 AMAQI
28th Jul 2026459 AMAQI
28th Jul 20264210 AMAQI
28th Jul 20262711 AMAQI
28th Jul 20263112 PMAQI
28th Jul 2026401 PMAQI
28th Jul 2026552 PMAQI
28th Jul 2026493 PMAQI
28th Jul 2026424 PMAQI
28th Jul 2026425 PMAQI
28th Jul 2026466 PMAQI
28th Jul 2026517 PMAQI
28th Jul 2026678 PMAQI
28th Jul 2026949 PMAQI
28th Jul 20269210 PMAQI
28th Jul 20268311 PMAQI
29th Jul 20267412 AMAQI
29th Jul 2026661 AMAQI
29th Jul 2026602 AMAQI
29th Jul 2026573 AMAQI
29th Jul 2026544 AMAQI
29th Jul 2026335 AMAQI
22°C14/31°C
29th Jul 2026386 AMAQI
29th Jul 2026567 AMAQI
29th Jul 2026558 AMAQI
29th Jul 2026549 AMAQI
29th Jul 20265110 AMAQI
29th Jul 20264211 AMAQI
29th Jul 20263312 PMAQI
29th Jul 2026521 PMAQI
29th Jul 2026672 PMAQI
29th Jul 2026763 PMAQI
29th Jul 2026664 PMAQI
29th Jul 2026595 PMAQI
29th Jul 2026556 PMAQI
29th Jul 2026427 PMAQI
29th Jul 2026408 PMAQI
29th Jul 2026489 PMAQI
29th Jul 20265810 PMAQI
29th Jul 20265711 PMAQI
30th Jul 20265712 AMAQI
30th Jul 2026381 AMAQI
30th Jul 2026382 AMAQI
30th Jul 2026293 AMAQI
30th Jul 2026214 AMAQI
30th Jul 2026335 AMAQI
23°C19/29°C
30th Jul 2026336 AMAQI
30th Jul 2026337 AMAQI
30th Jul 2026298 AMAQI
30th Jul 2026389 AMAQI
30th Jul 20263610 AMAQI
30th Jul 20263311 AMAQI
30th Jul 20262912 PMAQI
30th Jul 2026291 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026273 PMAQI
30th Jul 2026334 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026297 PMAQI
30th Jul 2026238 PMAQI
30th Jul 2026409 PMAQI
30th Jul 20264210 PMAQI
30th Jul 20264011 PMAQI
31st Jul 20265012 AMAQI
31st Jul 2026361 AMAQI
31st Jul 2026332 AMAQI
31st Jul 2026333 AMAQI
31st Jul 2026314 AMAQI
31st Jul 2026295 AMAQI
21°C19/25°C
31st Jul 2026316 AMAQI
31st Jul 2026297 AMAQI
31st Jul 2026298 AMAQI
31st Jul 2026299 AMAQI
31st Jul 20262910 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20262912 PMAQI
31st Jul 2026311 PMAQI
31st Jul 2026272 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026274 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026296 PMAQI
31st Jul 2026407 PMAQI
31st Jul 2026368 PMAQI
31st Jul 2026349 PMAQI
31st Jul 20263310 PMAQI
31st Jul 20263111 PMAQI
1st Aug 20263412 AMAQI
1st Aug 2026401 AMAQI
1st Aug 2026452 AMAQI
1st Aug 2026493 AMAQI
1st Aug 2026494 AMAQI
1st Aug 2026475 AMAQI
21°C18/23°C
1st Aug 2026476 AMAQI
1st Aug 2026467 AMAQI
1st Aug 2026468 AMAQI
1st Aug 2026429 AMAQI
1st Aug 20264010 AMAQI
1st Aug 20264211 AMAQI
1st Aug 20263312 PMAQI
1st Aug 2026311 PMAQI
1st Aug 2026332 PMAQI
1st Aug 2026273 PMAQI
1st Aug 2026294 PMAQI
1st Aug 2026335 PMAQI
1st Aug 2026276 PMAQI
1st Aug 2026257 PMAQI
1st Aug 2026298 PMAQI
1st Aug 2026369 PMAQI
1st Aug 20264210 PMAQI
1st Aug 20263611 PMAQI
2nd Aug 20262912 AMAQI
2nd Aug 2026361 AMAQI
2nd Aug 2026342 AMAQI
2nd Aug 2026313 AMAQI
2nd Aug 2026314 AMAQI
2nd Aug 2026275 AMAQI
21°C17/25°C
2nd Aug 2026236 AMAQI
2nd Aug 2026347 AMAQI
2nd Aug 2026368 AMAQI
2nd Aug 2026319 AMAQI
2nd Aug 20262710 AMAQI
2nd Aug 20262711 AMAQI
2nd Aug 20262712 PMAQI
2nd Aug 2026311 PMAQI
2nd Aug 2026332 PMAQI
2nd Aug 2026313 PMAQI
2nd Aug 2026334 PMAQI
2nd Aug 2026365 PMAQI
2nd Aug 2026406 PMAQI
2nd Aug 2026407 PMAQI
2nd Aug 2026368 PMAQI
2nd Aug 2026279 PMAQI
2nd Aug 20262510 PMAQI
2nd Aug 20262911 PMAQI
3rd Aug 20263812 AMAQI
3rd Aug 2026441 AMAQI
3rd Aug 2026442 AMAQI
3rd Aug 2026463 AMAQI
3rd Aug 2026464 AMAQI
3rd Aug 2026305 AMAQI
20°C15/26°C
3rd Aug 2026216 AMAQI
3rd Aug 2026217 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026239 AMAQI
3rd Aug 20262110 AMAQI
3rd Aug 20262311 AMAQI
3rd Aug 20262912 PMAQI
3rd Aug 2026401 PMAQI
3rd Aug 2026332 PMAQI
3rd Aug 2026333 PMAQI
3rd Aug 2026314 PMAQI
3rd Aug 2026275 PMAQI
3rd Aug 2026296 PMAQI
3rd Aug 2026407 PMAQI
3rd Aug 2026388 PMAQI
3rd Aug 2026349 PMAQI
3rd Aug 20264010 PMAQI
3rd Aug 20264011 PMAQI
4th Aug 20263612 AMAQI
4th Aug 2026381 AMAQI
4th Aug 2026422 AMAQI
4th Aug 2026423 AMAQI
4th Aug 2026444 AMAQI
4th Aug 2026385 AMAQI
20°C17/25°C
4th Aug 2026446 AMAQI
4th Aug 2026427 AMAQI
4th Aug 2026388 AMAQI
4th Aug 2026389 AMAQI
4th Aug 20263810 AMAQI
4th Aug 20263811 AMAQI
4th Aug 20264212 PMAQI
4th Aug 2026421 PMAQI
4th Aug 2026402 PMAQI
4th Aug 2026423 PMAQI
4th Aug 2026384 PMAQI
4th Aug 2026425 PMAQI
4th Aug 2026446 PMAQI
4th Aug 2026427 PMAQI
4th Aug 2026408 PMAQI
4th Aug 2026369 PMAQI
4th Aug 20263610 PMAQI
4th Aug 20263811 PMAQI
5th Aug 20263612 AMAQI
5th Aug 2026401 AMAQI
5th Aug 2026362 AMAQI
5th Aug 2026363 AMAQI
5th Aug 2026364 AMAQI
5th Aug 2026385 AMAQI
21°C17/25°C
5th Aug 2026366 AMAQI
6 AM5th Aug 2026387 AMAQI
5th Aug 2026388 AMAQI
5th Aug 2026449 AMAQI
5th Aug 20264610 AMAQI
5th Aug 20264411 AMAQI
5th Aug 20264412 PMAQI
5th Aug 2026381 PMAQI
1 PM5th Aug 2026382 PMAQI
5th Aug 2026383 PMAQI
5th Aug 2026274 PMAQI
5th Aug 2026235 PMAQI
5th Aug 2026216 PMAQI
5th Aug 2026217 PMAQI
5th Aug 2026218 PMAQI
5th Aug 2026219 PMAQI
9 PM5th Aug 20262110 PMAQI
5th Aug 20262311 PMAQI
1 AM
5 AM
20°C18/21°C
Day time
Avg. Highest Time
3 PM
46AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM
36AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 3 PM (Avg. 46), while the lowest AQI was between 6 AM to 6 AM (Avg. 36).
Night time
Avg. Highest Time
2 AM
45AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM
38AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 2 AM (Avg. 45), while the lowest AQI was between 5 AM to 5 AM (Avg. 38).
2026 Days Vs Air Quality
Usurbil, Donostia, Basque Country, Spain
2026
91%
195
9%
19
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Good
195 DaysModerate
19 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2026, 91% of 217 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
Usurbil, Donostia, Basque Country, 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
47AQI (US)
47AQI (US)
2nd January 2026
44AQI (US)
44AQI (US)
3rd January 2026
44AQI (US)
44AQI (US)
4th January 2026
40AQI (US)
40AQI (US)
5th January 2026
51AQI (US)
51AQI (US)
6th January 2026
35AQI (US)
35AQI (US)
7th January 2026
37AQI (US)
37AQI (US)
8th January 2026
17AQI (US)
17AQI (US)
9th January 2026
17AQI (US)
17AQI (US)
10th January 2026
25AQI (US)
25AQI (US)
11th January 2026
25AQI (US)
25AQI (US)
12th January 2026
11AQI (US)
11AQI (US)
13th January 2026
17AQI (US)
17AQI (US)
14th January 2026
30AQI (US)
30AQI (US)
15th January 2026
23AQI (US)
23AQI (US)
16th January 2026
13AQI (US)
13AQI (US)
17th January 2026
31AQI (US)
31AQI (US)
18th January 2026
28AQI (US)
28AQI (US)
19th January 2026
21AQI (US)
21AQI (US)
20th January 2026
22AQI (US)
22AQI (US)
21st January 2026
11AQI (US)
11AQI (US)
22nd January 2026
32AQI (US)
32AQI (US)
23rd January 2026
36AQI (US)
36AQI (US)
24th January 2026
32AQI (US)
32AQI (US)
25th January 2026
37AQI (US)
37AQI (US)
26th January 2026
42AQI (US)
42AQI (US)
27th January 2026
32AQI (US)
32AQI (US)
28th January 2026
32AQI (US)
32AQI (US)
29th January 2026
44AQI (US)
44AQI (US)
30th January 2026
38AQI (US)
38AQI (US)
31st January 2026
48AQI (US)
48AQI (US)
1st February 2026
59AQI (US)
59AQI (US)
2nd February 2026
48AQI (US)
48AQI (US)
3rd February 2026
14AQI (US)
14AQI (US)
4th February 2026
25AQI (US)
25AQI (US)
5th February 2026
40AQI (US)
40AQI (US)
6th February 2026
23AQI (US)
23AQI (US)
7th February 2026
20AQI (US)
20AQI (US)
8th February 2026
32AQI (US)
32AQI (US)
9th February 2026
42AQI (US)
42AQI (US)
10th February 2026
53AQI (US)
53AQI (US)
11th February 2026
55AQI (US)
55AQI (US)
12th February 2026
32AQI (US)
32AQI (US)
13th February 2026
24AQI (US)
24AQI (US)
14th February 2026
47AQI (US)
47AQI (US)
15th February 2026
33AQI (US)
33AQI (US)
16th February 2026
28AQI (US)
28AQI (US)
17th February 2026
33AQI (US)
33AQI (US)
18th February 2026
22AQI (US)
22AQI (US)
19th February 2026
28AQI (US)
28AQI (US)
20th February 2026
36AQI (US)
36AQI (US)
21st February 2026
29AQI (US)
29AQI (US)
22nd February 2026
33AQI (US)
33AQI (US)
23rd February 2026
42AQI (US)
42AQI (US)
24th February 2026
38AQI (US)
38AQI (US)
25th February 2026
46AQI (US)
46AQI (US)
26th February 2026
63AQI (US)
63AQI (US)
27th February 2026
45AQI (US)
45AQI (US)
28th February 2026
16AQI (US)
16AQI (US)
1st March 2026
28AQI (US)
28AQI (US)
2nd March 2026
54AQI (US)
54AQI (US)
3rd March 2026
42AQI (US)
42AQI (US)
4th March 2026
59AQI (US)
59AQI (US)
5th March 2026
67AQI (US)
67AQI (US)
6th March 2026
29AQI (US)
29AQI (US)
7th March 2026
29AQI (US)
29AQI (US)
8th March 2026
24AQI (US)
24AQI (US)
9th March 2026
30AQI (US)
30AQI (US)
10th March 2026
24AQI (US)
24AQI (US)
11th March 2026
36AQI (US)
36AQI (US)
12th March 2026
18AQI (US)
18AQI (US)
13th March 2026
34AQI (US)
34AQI (US)
14th March 2026
15AQI (US)
15AQI (US)
15th March 2026
20AQI (US)
20AQI (US)
16th March 2026
32AQI (US)
32AQI (US)
17th March 2026
34AQI (US)
34AQI (US)
18th March 2026
27AQI (US)
27AQI (US)
19th March 2026
28AQI (US)
28AQI (US)
20th March 2026
28AQI (US)
28AQI (US)
21st March 2026
39AQI (US)
39AQI (US)
22nd March 2026
45AQI (US)
45AQI (US)
23rd March 2026
38AQI (US)
38AQI (US)
24th March 2026
57AQI (US)
57AQI (US)
25th March 2026
47AQI (US)
47AQI (US)
26th March 2026
17AQI (US)
17AQI (US)
27th March 2026
21AQI (US)
21AQI (US)
28th March 2026
27AQI (US)
27AQI (US)
29th March 2026
25AQI (US)
25AQI (US)
30th March 2026
23AQI (US)
23AQI (US)
31st March 2026
38AQI (US)
38AQI (US)
1st April 2026
29AQI (US)
29AQI (US)
2nd April 2026
20AQI (US)
20AQI (US)
3rd April 2026
26AQI (US)
26AQI (US)
4th April 2026
27AQI (US)
27AQI (US)
5th April 2026
40AQI (US)
40AQI (US)
6th April 2026
22AQI (US)
22AQI (US)
7th April 2026
17AQI (US)
17AQI (US)
8th April 2026
44AQI (US)
44AQI (US)
9th April 2026
53AQI (US)
53AQI (US)
10th April 2026
42AQI (US)
42AQI (US)
11th April 2026
34AQI (US)
34AQI (US)
12th April 2026
9AQI (US)
9AQI (US)
13th April 2026
24AQI (US)
24AQI (US)
14th April 2026
27AQI (US)
27AQI (US)
15th April 2026
28AQI (US)
28AQI (US)
16th April 2026
29AQI (US)
29AQI (US)
17th April 2026
18th April 2026
27AQI (US)
27AQI (US)
19th April 2026
27AQI (US)
27AQI (US)
20th April 2026
30AQI (US)
30AQI (US)
21st April 2026
52AQI (US)
52AQI (US)
22nd April 2026
23rd April 2026
28AQI (US)
28AQI (US)
24th April 2026
30AQI (US)
30AQI (US)
25th April 2026
38AQI (US)
38AQI (US)
26th April 2026
26AQI (US)
26AQI (US)
27th April 2026
28AQI (US)
28AQI (US)
28th April 2026
37AQI (US)
37AQI (US)
29th April 2026
36AQI (US)
36AQI (US)
30th April 2026
22AQI (US)
22AQI (US)
1st May 2026
31AQI (US)
31AQI (US)
2nd May 2026
28AQI (US)
28AQI (US)
3rd May 2026
18AQI (US)
18AQI (US)
4th May 2026
15AQI (US)
15AQI (US)
5th May 2026
24AQI (US)
24AQI (US)
6th May 2026
26AQI (US)
26AQI (US)
7th May 2026
23AQI (US)
23AQI (US)
8th May 2026
23AQI (US)
23AQI (US)
9th May 2026
10th May 2026
18AQI (US)
18AQI (US)
11th May 2026
17AQI (US)
17AQI (US)
12th May 2026
18AQI (US)
18AQI (US)
13th May 2026
22AQI (US)
22AQI (US)
14th May 2026
20AQI (US)
20AQI (US)
15th May 2026
26AQI (US)
26AQI (US)
16th May 2026
36AQI (US)
36AQI (US)
17th May 2026
35AQI (US)
35AQI (US)
18th May 2026
38AQI (US)
38AQI (US)
19th May 2026
41AQI (US)
41AQI (US)
20th May 2026
41AQI (US)
41AQI (US)
21st May 2026
40AQI (US)
40AQI (US)
22nd May 2026
46AQI (US)
46AQI (US)
23rd May 2026
45AQI (US)
45AQI (US)
24th May 2026
46AQI (US)
46AQI (US)
25th May 2026
39AQI (US)
39AQI (US)
26th May 2026
29AQI (US)
29AQI (US)
27th May 2026
51AQI (US)
51AQI (US)
28th May 2026
49AQI (US)
49AQI (US)
29th May 2026
42AQI (US)
42AQI (US)
30th May 2026
25AQI (US)
25AQI (US)
31st May 2026
22AQI (US)
22AQI (US)
1st June 2026
27AQI (US)
27AQI (US)
2nd June 2026
24AQI (US)
24AQI (US)
3rd June 2026
23AQI (US)
23AQI (US)
4th June 2026
23AQI (US)
23AQI (US)
5th June 2026
18AQI (US)
18AQI (US)
6th June 2026
22AQI (US)
22AQI (US)
7th June 2026
22AQI (US)
22AQI (US)
8th June 2026
22AQI (US)
22AQI (US)
9th June 2026
15AQI (US)
15AQI (US)
10th June 2026
19AQI (US)
19AQI (US)
11th June 2026
21AQI (US)
21AQI (US)
12th June 2026
23AQI (US)
23AQI (US)
13th June 2026
22AQI (US)
22AQI (US)
14th June 2026
21AQI (US)
21AQI (US)
15th June 2026
47AQI (US)
47AQI (US)
16th June 2026
31AQI (US)
31AQI (US)
17th June 2026
33AQI (US)
33AQI (US)
18th June 2026
33AQI (US)
33AQI (US)
19th June 2026
32AQI (US)
32AQI (US)
20th June 2026
31AQI (US)
31AQI (US)
21st June 2026
22AQI (US)
22AQI (US)
22nd June 2026
65AQI (US)
65AQI (US)
23rd June 2026
61AQI (US)
61AQI (US)
24th June 2026
53AQI (US)
53AQI (US)
25th June 2026
62AQI (US)
62AQI (US)
26th June 2026
45AQI (US)
45AQI (US)
27th June 2026
36AQI (US)
36AQI (US)
28th June 2026
26AQI (US)
26AQI (US)
29th June 2026
22AQI (US)
22AQI (US)
30th June 2026
22AQI (US)
22AQI (US)
1st July 2026
12AQI (US)
12AQI (US)
2nd July 2026
16AQI (US)
16AQI (US)
3rd July 2026
21AQI (US)
21AQI (US)
4th July 2026
21AQI (US)
21AQI (US)
5th July 2026
30AQI (US)
30AQI (US)
6th July 2026
31AQI (US)
31AQI (US)
7th July 2026
53AQI (US)
53AQI (US)
8th July 2026
46AQI (US)
46AQI (US)
9th July 2026
37AQI (US)
37AQI (US)
10th July 2026
33AQI (US)
33AQI (US)
11th July 2026
38AQI (US)
38AQI (US)
12th July 2026
39AQI (US)
39AQI (US)
13th July 2026
46AQI (US)
46AQI (US)
14th July 2026
43AQI (US)
43AQI (US)
15th July 2026
37AQI (US)
37AQI (US)
16th July 2026
34AQI (US)
34AQI (US)
17th July 2026
39AQI (US)
39AQI (US)
18th July 2026
48AQI (US)
48AQI (US)
19th July 2026
50AQI (US)
50AQI (US)
20th July 2026
49AQI (US)
49AQI (US)
21st July 2026
29AQI (US)
29AQI (US)
22nd July 2026
30AQI (US)
30AQI (US)
23rd July 2026
52AQI (US)
52AQI (US)
24th July 2026
49AQI (US)
49AQI (US)
25th July 2026
46AQI (US)
46AQI (US)
26th July 2026
45AQI (US)
45AQI (US)
27th July 2026
39AQI (US)
39AQI (US)
28th July 2026
50AQI (US)
50AQI (US)
29th July 2026
54AQI (US)
54AQI (US)
30th July 2026
33AQI (US)
33AQI (US)
31st July 2026
31AQI (US)
31AQI (US)
1st August 2026
38AQI (US)
38AQI (US)
2nd August 2026
31AQI (US)
31AQI (US)
3rd August 2026
33AQI (US)
33AQI (US)
4th August 2026
40AQI (US)
40AQI (US)
5th August 2026
34AQI (US)
34AQI (US)
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
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
31AQI (US)
36AQI (US)
33AQI (US)
30AQI (US)
31AQI (US)
31AQI (US)
38AQI (US)
35AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202633AQI (US)
30
1
24
4
27
4
26
2
29
1
26
4
28
3
5
195
19
Highest AQI (US) recorded in
July38AQI (US)
Lowest AQI (US) recorded in
April30AQI (US)
202538AQI (US)
25
6
24
4
29
2
26
4
30
1
19
11
29
2
23
8
30
16
15
27
3
24
7
302
63
Highest AQI (US) recorded in
October52AQI (US)
Lowest AQI (US) recorded in
September28AQI (US)
202435AQI (US)
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 (US) recorded in
January42AQI (US)
Lowest AQI (US) recorded in
October31AQI (US)
202340AQI (US)
22
8
9
19
25
6
28
2
23
8
24
6
31
31
27
3
23
8
29
29
2
301
62
Highest AQI (US) recorded in
February58AQI (US)
Lowest AQI (US) recorded in
November31AQI (US)
202239AQI (US)
17
13
15
6
25
6
27
3
30
1
26
4
17
7
1
24
4
22
9
30
28
3
262
56
Highest AQI (US) recorded in
January49AQI (US)
Lowest AQI (US) recorded in
November32AQI (US)
202136AQI (US)
21
8
21
7
21
10
27
3
31
30
30
1
30
30
31
27
3
27
4
326
36
Highest AQI (US) recorded in
March46AQI (US)
Lowest AQI (US) recorded in
July28AQI (US)
202033AQI (US)
4
31
31
23
4
28
3
24
5
31
172
12
Highest AQI (US) recorded in
September38AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
40AQI (US)Least Polluted Year Recorded
2020(Avg.)
33AQI (US)Usurbil's annual 2026 AQI (US) (33) shows an average percentage change of -10.01% (improved AQI (US)) compared to previous years: 2020 (33), 2021 (36), 2022 (39), 2023 (40), 2024 (35), 2025 (38).
