Santurce, Portugalete, 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
Santurce, Portugalete, Basque Country, Spain
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Aug 2024
60AQILowest AQI recorded on
18th Aug 2024
9AQISame Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 22 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Santurce, Portugalete, Basque Country, Spain
AQI
Day
Night
.
7 AM14th Aug 2026
9 PM
6 AM15th Aug 2026
Day time
Avg. Highest Time
2PM14th Aug
66AQI
Avg. Lowest Time
9PM14th Aug
21AQI
Night time
Avg. Highest Time
3AM15th Aug
36AQI
Avg. Lowest Time
6AM15th Aug
8AQI
In the last 24 hours,
Santurce's AQI reached its highest point of 66 at 2 PM during the Day, while the lowest point, 8, was recorded at 6 AM during the Night between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Santurce, Portugalete, Basque Country, Spain
JulAug
17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th
Day
Night
17th Jul 2026297 AMAQI
17th Jul 2026388 AMAQI
17th Jul 2026389 AMAQI
17th Jul 20263410 AMAQI
17th Jul 20264611 AMAQI
17th Jul 20264812 PMAQI
17th Jul 2026441 PMAQI
17th Jul 2026422 PMAQI
17th Jul 2026383 PMAQI
17th Jul 2026314 PMAQI
17th Jul 2026275 PMAQI
17th Jul 2026316 PMAQI
17th Jul 2026317 PMAQI
17th Jul 2026298 PMAQI
17th Jul 2026239 PMAQI
17th Jul 20263010 PMAQI
17th Jul 20263611 PMAQI
18th Jul 20263612 AMAQI
18th Jul 2026441 AMAQI
18th Jul 2026402 AMAQI
18th Jul 2026363 AMAQI
18th Jul 2026364 AMAQI
18th Jul 2026315 AMAQI
18th Jul 2026346 AMAQI
21°C18/24°C
18th Jul 2026347 AMAQI
18th Jul 2026318 AMAQI
18th Jul 2026339 AMAQI
18th Jul 20263610 AMAQI
18th Jul 20263611 AMAQI
18th Jul 20263812 PMAQI
18th Jul 2026381 PMAQI
18th Jul 2026342 PMAQI
18th Jul 2026363 PMAQI
18th Jul 2026254 PMAQI
18th Jul 2026295 PMAQI
18th Jul 2026336 PMAQI
18th Jul 2026337 PMAQI
18th Jul 2026338 PMAQI
18th Jul 2026319 PMAQI
18th Jul 20263610 PMAQI
18th Jul 20263611 PMAQI
19th Jul 20264212 AMAQI
19th Jul 2026421 AMAQI
19th Jul 2026402 AMAQI
19th Jul 2026383 AMAQI
19th Jul 2026404 AMAQI
19th Jul 2026405 AMAQI
19th Jul 2026386 AMAQI
21°C19/24°C
19th Jul 2026387 AMAQI
19th Jul 2026368 AMAQI
19th Jul 2026369 AMAQI
19th Jul 20263610 AMAQI
19th Jul 20263611 AMAQI
19th Jul 20264012 PMAQI
19th Jul 2026381 PMAQI
19th Jul 2026442 PMAQI
19th Jul 2026443 PMAQI
19th Jul 2026424 PMAQI
19th Jul 2026405 PMAQI
19th Jul 2026386 PMAQI
19th Jul 2026407 PMAQI
19th Jul 2026448 PMAQI
19th Jul 2026489 PMAQI
19th Jul 20265510 PMAQI
19th Jul 20265711 PMAQI
20th Jul 20266212 AMAQI
20th Jul 2026581 AMAQI
20th Jul 2026582 AMAQI
20th Jul 2026533 AMAQI
20th Jul 2026524 AMAQI
20th Jul 2026535 AMAQI
20th Jul 2026576 AMAQI
22°C18/27°C
20th Jul 2026587 AMAQI
20th Jul 2026588 AMAQI
20th Jul 2026609 AMAQI
20th Jul 20266210 AMAQI
20th Jul 20265911 AMAQI
20th Jul 20266012 PMAQI
20th Jul 2026551 PMAQI
20th Jul 2026532 PMAQI
20th Jul 2026503 PMAQI
20th Jul 2026464 PMAQI
20th Jul 2026405 PMAQI
20th Jul 2026426 PMAQI
20th Jul 2026257 PMAQI
20th Jul 2026298 PMAQI
20th Jul 2026299 PMAQI
20th Jul 20262910 PMAQI
20th Jul 20263611 PMAQI
21st Jul 20263612 AMAQI
21st Jul 2026271 AMAQI
21st Jul 2026252 AMAQI
21st Jul 2026313 AMAQI
21st Jul 2026334 AMAQI
21st Jul 2026366 AMAQI
22°C18/27°C
21st Jul 2026387 AMAQI
21st Jul 2026388 AMAQI
21st Jul 2026409 AMAQI
21st Jul 20264210 AMAQI
21st Jul 20264411 AMAQI
21st Jul 20264712 PMAQI
21st Jul 2026441 PMAQI
21st Jul 2026442 PMAQI
21st Jul 2026423 PMAQI
21st Jul 2026364 PMAQI
21st Jul 2026335 PMAQI
21st Jul 2026256 PMAQI
21st Jul 2026217 PMAQI
21st Jul 2026218 PMAQI
21st Jul 2026239 PMAQI
21st Jul 20262510 PMAQI
21st Jul 20262911 PMAQI
22nd Jul 20263312 AMAQI
22nd Jul 2026361 AMAQI
22nd Jul 2026402 AMAQI
22nd Jul 2026363 AMAQI
22nd Jul 2026294 AMAQI
22nd Jul 2026345 AMAQI
22nd Jul 2026366 AMAQI
21°C17/25°C
22nd Jul 2026367 AMAQI
22nd Jul 2026388 AMAQI
22nd Jul 2026449 AMAQI
22nd Jul 20264210 AMAQI
22nd Jul 20264811 AMAQI
22nd Jul 20264612 PMAQI
22nd Jul 2026461 PMAQI
22nd Jul 2026482 PMAQI
22nd Jul 2026523 PMAQI
22nd Jul 2026444 PMAQI
22nd Jul 2026425 PMAQI
22nd Jul 2026386 PMAQI
22nd Jul 2026277 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026279 PMAQI
22nd Jul 20263110 PMAQI
22nd Jul 20264011 PMAQI
23rd Jul 20263812 AMAQI
23rd Jul 2026401 AMAQI
23rd Jul 2026362 AMAQI
23rd Jul 2026443 AMAQI
23rd Jul 2026404 AMAQI
23rd Jul 2026445 AMAQI
23rd Jul 2026486 AMAQI
22°C17/27°C
23rd Jul 2026537 AMAQI
23rd Jul 2026548 AMAQI
23rd Jul 2026579 AMAQI
23rd Jul 20266010 AMAQI
23rd Jul 20265711 AMAQI
23rd Jul 20265312 PMAQI
23rd Jul 2026441 PMAQI
23rd Jul 2026422 PMAQI
23rd Jul 2026463 PMAQI
23rd Jul 2026524 PMAQI
23rd Jul 2026485 PMAQI
23rd Jul 2026466 PMAQI
23rd Jul 2026387 PMAQI
23rd Jul 2026408 PMAQI
23rd Jul 2026539 PMAQI
23rd Jul 20266010 PMAQI
23rd Jul 20267611 PMAQI
24th Jul 20268412 AMAQI
24th Jul 2026421 AMAQI
24th Jul 2026462 AMAQI
24th Jul 2026383 AMAQI
24th Jul 2026504 AMAQI
24th Jul 2026675 AMAQI
24th Jul 2026546 AMAQI
22°C17/28°C
24th Jul 2026667 AMAQI
24th Jul 2026768 AMAQI
24th Jul 2026829 AMAQI
24th Jul 20268010 AMAQI
24th Jul 20267611 AMAQI
24th Jul 20268012 PMAQI
24th Jul 2026841 PMAQI
24th Jul 2026802 PMAQI
24th Jul 2026723 PMAQI
24th Jul 2026624 PMAQI
24th Jul 2026585 PMAQI
24th Jul 2026296 PMAQI
24th Jul 2026447 PMAQI
24th Jul 2026448 PMAQI
24th Jul 2026429 PMAQI
24th Jul 20263610 PMAQI
24th Jul 20264211 PMAQI
25th Jul 20263312 AMAQI
25th Jul 2026311 AMAQI
25th Jul 2026332 AMAQI
25th Jul 2026363 AMAQI
25th Jul 2026314 AMAQI
25th Jul 2026335 AMAQI
25th Jul 2026276 AMAQI
22°C17/27°C
25th Jul 2026277 AMAQI
25th Jul 2026298 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20262510 AMAQI
25th Jul 20262711 AMAQI
25th Jul 20261912 PMAQI
25th Jul 2026191 PMAQI
25th Jul 2026292 PMAQI
25th Jul 2026233 PMAQI
25th Jul 2026174 PMAQI
25th Jul 2026195 PMAQI
25th Jul 2026426 PMAQI
25th Jul 2026427 PMAQI
25th Jul 2026428 PMAQI
25th Jul 2026429 PMAQI
25th Jul 20264010 PMAQI
25th Jul 20263111 PMAQI
26th Jul 20262912 AMAQI
26th Jul 2026361 AMAQI
26th Jul 2026332 AMAQI
26th Jul 2026293 AMAQI
26th Jul 2026314 AMAQI
26th Jul 2026275 AMAQI
26th Jul 2026296 AMAQI
20°C17/23°C
26th Jul 2026297 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026219 AMAQI
26th Jul 20262110 AMAQI
26th Jul 20262111 AMAQI
26th Jul 20262112 PMAQI
26th Jul 2026231 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026333 PMAQI
26th Jul 2026294 PMAQI
26th Jul 2026275 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026217 PMAQI
26th Jul 2026218 PMAQI
26th Jul 2026339 PMAQI
26th Jul 20263110 PMAQI
26th Jul 20263511 PMAQI
27th Jul 20263412 AMAQI
27th Jul 2026231 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026233 AMAQI
27th Jul 2026254 AMAQI
27th Jul 2026255 AMAQI
27th Jul 2026236 AMAQI
20°C17/24°C
27th Jul 2026217 AMAQI
27th Jul 2026368 AMAQI
27th Jul 2026329 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20263011 AMAQI
27th Jul 20262912 PMAQI
27th Jul 2026231 PMAQI
27th Jul 2026212 PMAQI
27th Jul 2026273 PMAQI
27th Jul 2026294 PMAQI
27th Jul 2026325 PMAQI
27th Jul 2026256 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20263610 PMAQI
27th Jul 20264811 PMAQI
28th Jul 20263612 AMAQI
28th Jul 2026271 AMAQI
28th Jul 2026232 AMAQI
28th Jul 2026253 AMAQI
28th Jul 2026294 AMAQI
28th Jul 2026295 AMAQI
28th Jul 2026336 AMAQI
20°C18/24°C
28th Jul 2026347 AMAQI
28th Jul 2026408 AMAQI
28th Jul 2026429 AMAQI
28th Jul 20262810 AMAQI
28th Jul 20261711 AMAQI
28th Jul 20261812 PMAQI
28th Jul 2026201 PMAQI
28th Jul 2026312 PMAQI
28th Jul 2026383 PMAQI
28th Jul 2026464 PMAQI
28th Jul 2026485 PMAQI
28th Jul 2026506 PMAQI
28th Jul 2026507 PMAQI
28th Jul 2026498 PMAQI
28th Jul 2026469 PMAQI
28th Jul 20265510 PMAQI
28th Jul 20265511 PMAQI
29th Jul 20265512 AMAQI
29th Jul 2026621 AMAQI
29th Jul 2026552 AMAQI
29th Jul 2026533 AMAQI
29th Jul 2026534 AMAQI
29th Jul 2026495 AMAQI
29th Jul 2026526 AMAQI
23°C15/30°C
29th Jul 2026467 AMAQI
29th Jul 2026448 AMAQI
29th Jul 2026509 AMAQI
29th Jul 20265210 AMAQI
29th Jul 20265511 AMAQI
29th Jul 20267312 PMAQI
29th Jul 2026601 PMAQI
29th Jul 2026592 PMAQI
29th Jul 2026463 PMAQI
29th Jul 2026384 PMAQI
29th Jul 2026545 PMAQI
29th Jul 2026516 PMAQI
29th Jul 2026427 PMAQI
29th Jul 2026348 PMAQI
29th Jul 2026299 PMAQI
29th Jul 20264010 PMAQI
29th Jul 20263811 PMAQI
30th Jul 20263312 AMAQI
30th Jul 2026231 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026273 AMAQI
30th Jul 2026314 AMAQI
30th Jul 2026445 AMAQI
30th Jul 2026426 AMAQI
23°C19/28°C
30th Jul 2026427 AMAQI
30th Jul 2026448 AMAQI
30th Jul 2026469 AMAQI
30th Jul 20264610 AMAQI
30th Jul 20263211 AMAQI
30th Jul 20262912 PMAQI
30th Jul 2026311 PMAQI
30th Jul 2026312 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026234 PMAQI
30th Jul 2026215 PMAQI
30th Jul 2026316 PMAQI
30th Jul 2026337 PMAQI
30th Jul 2026238 PMAQI
30th Jul 2026299 PMAQI
30th Jul 20263610 PMAQI
30th Jul 20261211 PMAQI
31st Jul 20261012 AMAQI
31st Jul 2026121 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026233 AMAQI
31st Jul 2026334 AMAQI
31st Jul 2026575 AMAQI
31st Jul 2026276 AMAQI
21°C18/25°C
31st Jul 2026237 AMAQI
31st Jul 202688 AMAQI
31st Jul 2026219 AMAQI
31st Jul 2026810 AMAQI
31st Jul 20261411 AMAQI
31st Jul 20261712 PMAQI
31st Jul 2026181 PMAQI
31st Jul 2026252 PMAQI
31st Jul 2026273 PMAQI
31st Jul 2026254 PMAQI
31st Jul 2026215 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026297 PMAQI
31st Jul 2026318 PMAQI
31st Jul 2026319 PMAQI
31st Jul 20263210 PMAQI
31st Jul 20263811 PMAQI
1st Aug 20264012 AMAQI
1st Aug 2026361 AMAQI
1st Aug 2026492 AMAQI
1st Aug 2026763 AMAQI
1st Aug 2026924 AMAQI
1st Aug 2026125 AMAQI
1st Aug 2026116 AMAQI
21°C19/24°C
1st Aug 2026237 AMAQI
1st Aug 2026278 AMAQI
1st Aug 2026259 AMAQI
1st Aug 20261410 AMAQI
1st Aug 20263411 AMAQI
1st Aug 20262912 PMAQI
1st Aug 2026121 PMAQI
1st Aug 2026212 PMAQI
1st Aug 2026213 PMAQI
1st Aug 2026274 PMAQI
1st Aug 2026385 PMAQI
1st Aug 2026426 PMAQI
1st Aug 2026257 PMAQI
1st Aug 2026108 PMAQI
1st Aug 202689 PMAQI
1st Aug 20261010 PMAQI
1st Aug 20261611 PMAQI
2nd Aug 20261012 AMAQI
2nd Aug 2026231 AMAQI
2nd Aug 2026172 AMAQI
2nd Aug 2026123 AMAQI
2nd Aug 2026104 AMAQI
2nd Aug 2026235 AMAQI
2nd Aug 2026296 AMAQI
20°C19/23°C
2nd Aug 2026217 AMAQI
2nd Aug 2026148 AMAQI
2nd Aug 2026199 AMAQI
2nd Aug 20261310 AMAQI
2nd Aug 20261211 AMAQI
2nd Aug 20262012 PMAQI
2nd Aug 2026401 PMAQI
2nd Aug 2026502 PMAQI
2nd Aug 2026383 PMAQI
2nd Aug 2026174 PMAQI
2nd Aug 2026165 PMAQI
2nd Aug 2026196 PMAQI
2nd Aug 2026197 PMAQI
2nd Aug 2026168 PMAQI
2nd Aug 2026149 PMAQI
2nd Aug 20262310 PMAQI
2nd Aug 20262111 PMAQI
3rd Aug 20261712 AMAQI
3rd Aug 2026121 AMAQI
3rd Aug 2026172 AMAQI
3rd Aug 2026213 AMAQI
3rd Aug 2026284 AMAQI
3rd Aug 2026365 AMAQI
3rd Aug 2026236 AMAQI
21°C16/26°C
3rd Aug 2026257 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026279 AMAQI
3rd Aug 20262510 AMAQI
3rd Aug 20262311 AMAQI
3rd Aug 20263812 PMAQI
3rd Aug 2026511 PMAQI
3rd Aug 2026522 PMAQI
3rd Aug 2026493 PMAQI
3rd Aug 2026464 PMAQI
3rd Aug 2026465 PMAQI
3rd Aug 2026466 PMAQI
3rd Aug 2026467 PMAQI
3rd Aug 2026448 PMAQI
3rd Aug 2026429 PMAQI
3rd Aug 20264010 PMAQI
3rd Aug 20264211 PMAQI
4th Aug 20264612 AMAQI
4th Aug 2026401 AMAQI
4th Aug 2026382 AMAQI
4th Aug 2026333 AMAQI
4th Aug 2026364 AMAQI
4th Aug 2026405 AMAQI
4th Aug 2026386 AMAQI
21°C18/26°C
4th Aug 2026387 AMAQI
4th Aug 2026368 AMAQI
4th Aug 2026389 AMAQI
4th Aug 20264410 AMAQI
4th Aug 20264011 AMAQI
4th Aug 20264412 PMAQI
4th Aug 2026461 PMAQI
4th Aug 2026442 PMAQI
4th Aug 2026383 PMAQI
4th Aug 2026404 PMAQI
4th Aug 2026365 PMAQI
4th Aug 2026346 PMAQI
4th Aug 2026297 PMAQI
4th Aug 2026298 PMAQI
4th Aug 2026319 PMAQI
4th Aug 20265410 PMAQI
4th Aug 20263411 PMAQI
5th Aug 20264012 AMAQI
5th Aug 2026441 AMAQI
5th Aug 2026382 AMAQI
5th Aug 2026403 AMAQI
5th Aug 2026404 AMAQI
5th Aug 2026345 AMAQI
5th Aug 2026386 AMAQI
21°C18/25°C
5th Aug 2026387 AMAQI
5th Aug 2026388 AMAQI
5th Aug 2026369 AMAQI
5th Aug 20263810 AMAQI
5th Aug 20263311 AMAQI
5th Aug 20263312 PMAQI
5th Aug 2026331 PMAQI
5th Aug 2026292 PMAQI
5th Aug 2026293 PMAQI
5th Aug 2026254 PMAQI
5th Aug 2026255 PMAQI
5th Aug 2026276 PMAQI
5th Aug 2026237 PMAQI
5th Aug 2026278 PMAQI
5th Aug 2026239 PMAQI
5th Aug 20262510 PMAQI
5th Aug 20262111 PMAQI
6th Aug 20262112 AMAQI
6th Aug 2026291 AMAQI
6th Aug 2026292 AMAQI
6th Aug 2026253 AMAQI
6th Aug 2026254 AMAQI
6th Aug 2026275 AMAQI
6th Aug 2026236 AMAQI
20°C18/22°C
6th Aug 2026217 AMAQI
6th Aug 2026258 AMAQI
6th Aug 2026299 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262312 PMAQI
6th Aug 2026231 PMAQI
6th Aug 2026252 PMAQI
6th Aug 2026253 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026275 PMAQI
6th Aug 2026276 PMAQI
6th Aug 2026487 PMAQI
6th Aug 2026348 PMAQI
6th Aug 2026349 PMAQI
6th Aug 20264010 PMAQI
6th Aug 20264011 PMAQI
7th Aug 20263112 AMAQI
7th Aug 2026231 AMAQI
7th Aug 2026212 AMAQI
7th Aug 2026213 AMAQI
7th Aug 2026214 AMAQI
7th Aug 2026275 AMAQI
7th Aug 2026426 AMAQI
21°C19/23°C
7th Aug 2026367 AMAQI
7th Aug 2026368 AMAQI
7th Aug 2026299 AMAQI
7th Aug 20262710 AMAQI
7th Aug 20262911 AMAQI
7th Aug 20263112 PMAQI
7th Aug 2026271 PMAQI
7th Aug 2026322 PMAQI
7th Aug 2026403 PMAQI
7th Aug 2026384 PMAQI
7th Aug 2026385 PMAQI
7th Aug 2026386 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026388 PMAQI
7th Aug 2026409 PMAQI
7th Aug 20264010 PMAQI
7th Aug 20263811 PMAQI
8th Aug 20262312 AMAQI
8th Aug 2026251 AMAQI
8th Aug 2026292 AMAQI
8th Aug 2026333 AMAQI
8th Aug 2026254 AMAQI
8th Aug 2026365 AMAQI
8th Aug 2026446 AMAQI
21°C17/25°C
8th Aug 2026487 AMAQI
8th Aug 2026468 AMAQI
8th Aug 2026469 AMAQI
8th Aug 20264210 AMAQI
8th Aug 20263411 AMAQI
8th Aug 20263412 PMAQI
8th Aug 2026311 PMAQI
8th Aug 2026322 PMAQI
8th Aug 2026253 PMAQI
8th Aug 2026404 PMAQI
8th Aug 2026405 PMAQI
8th Aug 2026446 PMAQI
8th Aug 2026527 PMAQI
8th Aug 2026538 PMAQI
8th Aug 2026469 PMAQI
8th Aug 20263810 PMAQI
8th Aug 20263311 PMAQI
9th Aug 20265012 AMAQI
9th Aug 2026821 AMAQI
9th Aug 2026682 AMAQI
9th Aug 2026463 AMAQI
9th Aug 2026484 AMAQI
9th Aug 2026525 AMAQI
9th Aug 2026546 AMAQI
22°C17/28°C
9th Aug 2026557 AMAQI
9th Aug 2026528 AMAQI
9th Aug 2026549 AMAQI
9th Aug 20265210 AMAQI
9th Aug 20265211 AMAQI
9th Aug 20264612 PMAQI
9th Aug 2026421 PMAQI
9th Aug 2026472 PMAQI
9th Aug 2026443 PMAQI
9th Aug 2026384 PMAQI
9th Aug 2026445 PMAQI
9th Aug 2026506 PMAQI
9th Aug 2026507 PMAQI
9th Aug 2026508 PMAQI
9th Aug 2026449 PMAQI
9th Aug 20264610 PMAQI
9th Aug 20264711 PMAQI
10th Aug 20263312 AMAQI
10th Aug 2026441 AMAQI
10th Aug 2026402 AMAQI
10th Aug 2026333 AMAQI
10th Aug 2026384 AMAQI
10th Aug 2026365 AMAQI
10th Aug 2026446 AMAQI
21°C18/25°C
10th Aug 2026407 AMAQI
10th Aug 2026278 AMAQI
10th Aug 2026219 AMAQI
10th Aug 20263110 AMAQI
10th Aug 20262911 AMAQI
10th Aug 20263312 PMAQI
10th Aug 2026311 PMAQI
10th Aug 2026332 PMAQI
10th Aug 2026343 PMAQI
10th Aug 2026294 PMAQI
10th Aug 2026345 PMAQI
10th Aug 2026296 PMAQI
10th Aug 2026337 PMAQI
10th Aug 2026368 PMAQI
10th Aug 2026369 PMAQI
10th Aug 20262310 PMAQI
10th Aug 20262511 PMAQI
11th Aug 2026812 AMAQI
11th Aug 202691 AMAQI
11th Aug 2026362 AMAQI
11th Aug 2026363 AMAQI
11th Aug 2026384 AMAQI
11th Aug 2026345 AMAQI
11th Aug 2026426 AMAQI
22°C18/26°C
11th Aug 2026427 AMAQI
11th Aug 2026428 AMAQI
11th Aug 2026429 AMAQI
11th Aug 20263610 AMAQI
11th Aug 20263811 AMAQI
11th Aug 20264212 PMAQI
11th Aug 2026481 PMAQI
11th Aug 2026482 PMAQI
11th Aug 2026443 PMAQI
11th Aug 2026444 PMAQI
11th Aug 2026495 PMAQI
11th Aug 2026466 PMAQI
11th Aug 2026487 PMAQI
11th Aug 2026448 PMAQI
11th Aug 2026409 PMAQI
11th Aug 20264810 PMAQI
11th Aug 20264411 PMAQI
12th Aug 20264412 AMAQI
12th Aug 2026381 AMAQI
12th Aug 2026402 AMAQI
12th Aug 2026423 AMAQI
12th Aug 2026304 AMAQI
12th Aug 2026365 AMAQI
12th Aug 2026386 AMAQI
23°C18/28°C
12th Aug 2026407 AMAQI
12th Aug 2026468 AMAQI
12th Aug 2026489 AMAQI
12th Aug 20264810 AMAQI
12th Aug 20264611 AMAQI
12th Aug 20265012 PMAQI
12th Aug 2026521 PMAQI
12th Aug 2026532 PMAQI
12th Aug 2026543 PMAQI
12th Aug 2026544 PMAQI
12th Aug 2026515 PMAQI
12th Aug 2026496 PMAQI
12th Aug 2026447 PMAQI
12th Aug 2026428 PMAQI
12th Aug 2026429 PMAQI
12th Aug 20264610 PMAQI
12th Aug 20265411 PMAQI
13th Aug 20265612 AMAQI
13th Aug 2026491 AMAQI
13th Aug 2026482 AMAQI
13th Aug 2026383 AMAQI
13th Aug 2026364 AMAQI
13th Aug 2026385 AMAQI
13th Aug 2026506 AMAQI
24°C19/30°C
13th Aug 2026557 AMAQI
13th Aug 2026678 AMAQI
13th Aug 2026609 AMAQI
13th Aug 20266610 AMAQI
13th Aug 20265411 AMAQI
13th Aug 20264412 PMAQI
13th Aug 2026741 PMAQI
13th Aug 2026592 PMAQI
13th Aug 2026753 PMAQI
13th Aug 2026744 PMAQI
13th Aug 2026665 PMAQI
13th Aug 2026576 PMAQI
13th Aug 2026447 PMAQI
13th Aug 2026258 PMAQI
13th Aug 2026319 PMAQI
13th Aug 20266210 PMAQI
13th Aug 20262911 PMAQI
14th Aug 20261712 AMAQI
14th Aug 2026211 AMAQI
14th Aug 2026272 AMAQI
14th Aug 2026293 AMAQI
14th Aug 2026314 AMAQI
14th Aug 2026385 AMAQI
14th Aug 2026296 AMAQI
24°C20/29°C
14th Aug 2026337 AMAQI
14th Aug 2026548 AMAQI
14th Aug 2026429 AMAQI
14th Aug 20263810 AMAQI
14th Aug 20264811 AMAQI
14th Aug 20266012 PMAQI
14th Aug 2026601 PMAQI
14th Aug 2026662 PMAQI
14th Aug 2026603 PMAQI
14th Aug 2026604 PMAQI
14th Aug 2026315 PMAQI
14th Aug 2026256 PMAQI
14th Aug 2026257 PMAQI
14th Aug 2026298 PMAQI
14th Aug 2026219 PMAQI
14th Aug 20262110 PMAQI
14th Aug 20261711 PMAQI
15th Aug 20262712 AMAQI
15th Aug 2026291 AMAQI
15th Aug 2026332 AMAQI
15th Aug 2026363 AMAQI
15th Aug 2026194 AMAQI
15th Aug 2026195 AMAQI
15th Aug 202686 AMAQI
23°C20/26°C
15th Aug 2026157 AMAQI
7 AM15th Aug 2026238 AMAQI
15th Aug 2026179 AMAQI
15th Aug 2026810 AMAQI
15th Aug 20261011 AMAQI
15th Aug 2026812 PMAQI
15th Aug 2026171 PMAQI
15th Aug 2026172 PMAQI
2 PM15th Aug 2026123 PMAQI
15th Aug 2026214 PMAQI
15th Aug 2026255 PMAQI
15th Aug 2026296 PMAQI
15th Aug 2026237 PMAQI
15th Aug 2026338 PMAQI
15th Aug 2026429 PMAQI
9 PM15th Aug 20263310 PMAQI
15th Aug 20262511 PMAQI
2 AM
6 AM
22°C20/25°C
Day time
Avg. Highest Time
2 PM - 3 PM
41AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
8 PM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 3 PM (Avg. 41), while the lowest AQI was between 8 PM to 8 PM (Avg. 33).
Night time
Avg. Highest Time
12 AM - 11 PM
36AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
36AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 36), while the lowest AQI was between 12 AM to 11 PM (Avg. 36).
2026 Days Vs Air Quality
Santurce, Portugalete, Basque Country, Spain
2026
91%
203
9%
21
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Good
203 DaysModerate
21 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 227 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
Santurce, Portugalete, 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
36AQI (US)
36AQI (US)
2nd January 2026
25AQI (US)
25AQI (US)
3rd January 2026
22AQI (US)
22AQI (US)
4th January 2026
18AQI (US)
18AQI (US)
5th January 2026
20AQI (US)
20AQI (US)
6th January 2026
19AQI (US)
19AQI (US)
7th January 2026
16AQI (US)
16AQI (US)
8th January 2026
13AQI (US)
13AQI (US)
9th January 2026
16AQI (US)
16AQI (US)
10th January 2026
15AQI (US)
15AQI (US)
11th January 2026
21AQI (US)
21AQI (US)
12th January 2026
12AQI (US)
12AQI (US)
13th January 2026
16AQI (US)
16AQI (US)
14th January 2026
18AQI (US)
18AQI (US)
15th January 2026
18AQI (US)
18AQI (US)
16th January 2026
16AQI (US)
16AQI (US)
17th January 2026
31AQI (US)
31AQI (US)
18th January 2026
11AQI (US)
11AQI (US)
19th January 2026
17AQI (US)
17AQI (US)
20th January 2026
20AQI (US)
20AQI (US)
21st January 2026
12AQI (US)
12AQI (US)
22nd January 2026
35AQI (US)
35AQI (US)
23rd January 2026
55AQI (US)
55AQI (US)
24th January 2026
29AQI (US)
29AQI (US)
25th January 2026
37AQI (US)
37AQI (US)
26th January 2026
34AQI (US)
34AQI (US)
27th January 2026
26AQI (US)
26AQI (US)
28th January 2026
18AQI (US)
18AQI (US)
29th January 2026
28AQI (US)
28AQI (US)
30th January 2026
51AQI (US)
51AQI (US)
31st January 2026
33AQI (US)
33AQI (US)
1st February 2026
31AQI (US)
31AQI (US)
2nd February 2026
17AQI (US)
17AQI (US)
3rd February 2026
27AQI (US)
27AQI (US)
4th February 2026
25AQI (US)
25AQI (US)
5th February 2026
32AQI (US)
32AQI (US)
6th February 2026
29AQI (US)
29AQI (US)
7th February 2026
35AQI (US)
35AQI (US)
8th February 2026
41AQI (US)
41AQI (US)
9th February 2026
30AQI (US)
30AQI (US)
10th February 2026
30AQI (US)
30AQI (US)
11th February 2026
24AQI (US)
24AQI (US)
12th February 2026
41AQI (US)
41AQI (US)
13th February 2026
17AQI (US)
17AQI (US)
14th February 2026
31AQI (US)
31AQI (US)
15th February 2026
24AQI (US)
24AQI (US)
16th February 2026
21AQI (US)
21AQI (US)
17th February 2026
30AQI (US)
30AQI (US)
18th February 2026
29AQI (US)
29AQI (US)
19th February 2026
30AQI (US)
30AQI (US)
20th February 2026
32AQI (US)
32AQI (US)
21st February 2026
26AQI (US)
26AQI (US)
22nd February 2026
46AQI (US)
46AQI (US)
23rd February 2026
63AQI (US)
63AQI (US)
24th February 2026
27AQI (US)
27AQI (US)
25th February 2026
44AQI (US)
44AQI (US)
26th February 2026
59AQI (US)
59AQI (US)
27th February 2026
50AQI (US)
50AQI (US)
28th February 2026
11AQI (US)
11AQI (US)
1st March 2026
28AQI (US)
28AQI (US)
2nd March 2026
49AQI (US)
49AQI (US)
3rd March 2026
38AQI (US)
38AQI (US)
4th March 2026
59AQI (US)
59AQI (US)
5th March 2026
62AQI (US)
62AQI (US)
6th March 2026
9AQI (US)
9AQI (US)
7th March 2026
14AQI (US)
14AQI (US)
8th March 2026
34AQI (US)
34AQI (US)
9th March 2026
31AQI (US)
31AQI (US)
10th March 2026
20AQI (US)
20AQI (US)
11th March 2026
36AQI (US)
36AQI (US)
12th March 2026
36AQI (US)
36AQI (US)
13th March 2026
36AQI (US)
36AQI (US)
14th March 2026
16AQI (US)
16AQI (US)
15th March 2026
18AQI (US)
18AQI (US)
16th March 2026
28AQI (US)
28AQI (US)
17th March 2026
34AQI (US)
34AQI (US)
18th March 2026
34AQI (US)
34AQI (US)
19th March 2026
32AQI (US)
32AQI (US)
20th March 2026
29AQI (US)
29AQI (US)
21st March 2026
39AQI (US)
39AQI (US)
22nd March 2026
68AQI (US)
68AQI (US)
23rd March 2026
54AQI (US)
54AQI (US)
24th March 2026
56AQI (US)
56AQI (US)
25th March 2026
37AQI (US)
37AQI (US)
26th March 2026
14AQI (US)
14AQI (US)
27th March 2026
16AQI (US)
16AQI (US)
28th March 2026
19AQI (US)
19AQI (US)
29th March 2026
20AQI (US)
20AQI (US)
30th March 2026
19AQI (US)
19AQI (US)
31st March 2026
31AQI (US)
31AQI (US)
1st April 2026
25AQI (US)
25AQI (US)
2nd April 2026
15AQI (US)
15AQI (US)
3rd April 2026
26AQI (US)
26AQI (US)
4th April 2026
28AQI (US)
28AQI (US)
5th April 2026
32AQI (US)
32AQI (US)
6th April 2026
27AQI (US)
27AQI (US)
7th April 2026
28AQI (US)
28AQI (US)
8th April 2026
41AQI (US)
41AQI (US)
9th April 2026
48AQI (US)
48AQI (US)
10th April 2026
57AQI (US)
57AQI (US)
11th April 2026
24AQI (US)
24AQI (US)
12th April 2026
12AQI (US)
12AQI (US)
13th April 2026
15AQI (US)
15AQI (US)
14th April 2026
16AQI (US)
16AQI (US)
15th April 2026
26AQI (US)
26AQI (US)
16th April 2026
24AQI (US)
24AQI (US)
17th April 2026
18th April 2026
17AQI (US)
17AQI (US)
19th April 2026
20AQI (US)
20AQI (US)
20th April 2026
47AQI (US)
47AQI (US)
21st April 2026
53AQI (US)
53AQI (US)
22nd April 2026
23rd April 2026
28AQI (US)
28AQI (US)
24th April 2026
21AQI (US)
21AQI (US)
25th April 2026
20AQI (US)
20AQI (US)
26th April 2026
38AQI (US)
38AQI (US)
27th April 2026
40AQI (US)
40AQI (US)
28th April 2026
48AQI (US)
48AQI (US)
29th April 2026
38AQI (US)
38AQI (US)
30th April 2026
25AQI (US)
25AQI (US)
1st May 2026
32AQI (US)
32AQI (US)
2nd May 2026
27AQI (US)
27AQI (US)
3rd May 2026
23AQI (US)
23AQI (US)
4th May 2026
20AQI (US)
20AQI (US)
5th May 2026
24AQI (US)
24AQI (US)
6th May 2026
26AQI (US)
26AQI (US)
7th May 2026
30AQI (US)
30AQI (US)
8th May 2026
15AQI (US)
15AQI (US)
9th May 2026
10th May 2026
14AQI (US)
14AQI (US)
11th May 2026
15AQI (US)
15AQI (US)
12th May 2026
19AQI (US)
19AQI (US)
13th May 2026
10AQI (US)
10AQI (US)
14th May 2026
15AQI (US)
15AQI (US)
15th May 2026
20AQI (US)
20AQI (US)
16th May 2026
35AQI (US)
35AQI (US)
17th May 2026
35AQI (US)
35AQI (US)
18th May 2026
38AQI (US)
38AQI (US)
19th May 2026
39AQI (US)
39AQI (US)
20th May 2026
41AQI (US)
41AQI (US)
21st May 2026
38AQI (US)
38AQI (US)
22nd May 2026
46AQI (US)
46AQI (US)
23rd May 2026
43AQI (US)
43AQI (US)
24th May 2026
44AQI (US)
44AQI (US)
25th May 2026
37AQI (US)
37AQI (US)
26th May 2026
28AQI (US)
28AQI (US)
27th May 2026
51AQI (US)
51AQI (US)
28th May 2026
65AQI (US)
65AQI (US)
29th May 2026
46AQI (US)
46AQI (US)
30th May 2026
25AQI (US)
25AQI (US)
31st May 2026
16AQI (US)
16AQI (US)
1st June 2026
18AQI (US)
18AQI (US)
2nd June 2026
14AQI (US)
14AQI (US)
3rd June 2026
14AQI (US)
14AQI (US)
4th June 2026
14AQI (US)
14AQI (US)
5th June 2026
19AQI (US)
19AQI (US)
6th June 2026
21AQI (US)
21AQI (US)
7th June 2026
19AQI (US)
19AQI (US)
8th June 2026
17AQI (US)
17AQI (US)
9th June 2026
9AQI (US)
9AQI (US)
10th June 2026
13AQI (US)
13AQI (US)
11th June 2026
22AQI (US)
22AQI (US)
12th June 2026
18AQI (US)
18AQI (US)
13th June 2026
17AQI (US)
17AQI (US)
14th June 2026
42AQI (US)
42AQI (US)
15th June 2026
48AQI (US)
48AQI (US)
16th June 2026
29AQI (US)
29AQI (US)
17th June 2026
30AQI (US)
30AQI (US)
18th June 2026
37AQI (US)
37AQI (US)
19th June 2026
47AQI (US)
47AQI (US)
20th June 2026
40AQI (US)
40AQI (US)
21st June 2026
34AQI (US)
34AQI (US)
22nd June 2026
52AQI (US)
52AQI (US)
23rd June 2026
67AQI (US)
67AQI (US)
24th June 2026
69AQI (US)
69AQI (US)
25th June 2026
57AQI (US)
57AQI (US)
26th June 2026
45AQI (US)
45AQI (US)
27th June 2026
30AQI (US)
30AQI (US)
28th June 2026
14AQI (US)
14AQI (US)
29th June 2026
14AQI (US)
14AQI (US)
30th June 2026
14AQI (US)
14AQI (US)
1st July 2026
9AQI (US)
9AQI (US)
2nd July 2026
18AQI (US)
18AQI (US)
3rd July 2026
18AQI (US)
18AQI (US)
4th July 2026
9AQI (US)
9AQI (US)
5th July 2026
30AQI (US)
30AQI (US)
6th July 2026
41AQI (US)
41AQI (US)
7th July 2026
50AQI (US)
50AQI (US)
8th July 2026
55AQI (US)
55AQI (US)
9th July 2026
35AQI (US)
35AQI (US)
10th July 2026
34AQI (US)
34AQI (US)
11th July 2026
35AQI (US)
35AQI (US)
12th July 2026
44AQI (US)
44AQI (US)
13th July 2026
39AQI (US)
39AQI (US)
14th July 2026
26AQI (US)
26AQI (US)
15th July 2026
26AQI (US)
26AQI (US)
16th July 2026
29AQI (US)
29AQI (US)
17th July 2026
31AQI (US)
31AQI (US)
18th July 2026
35AQI (US)
35AQI (US)
19th July 2026
41AQI (US)
41AQI (US)
20th July 2026
49AQI (US)
49AQI (US)
21st July 2026
34AQI (US)
34AQI (US)
22nd July 2026
38AQI (US)
38AQI (US)
23rd July 2026
49AQI (US)
49AQI (US)
24th July 2026
60AQI (US)
60AQI (US)
25th July 2026
30AQI (US)
30AQI (US)
26th July 2026
27AQI (US)
27AQI (US)
27th July 2026
28AQI (US)
28AQI (US)
28th July 2026
36AQI (US)
36AQI (US)
29th July 2026
50AQI (US)
50AQI (US)
30th July 2026
32AQI (US)
32AQI (US)
31st July 2026
24AQI (US)
24AQI (US)
1st August 2026
29AQI (US)
29AQI (US)
2nd August 2026
21AQI (US)
21AQI (US)
3rd August 2026
34AQI (US)
34AQI (US)
4th August 2026
39AQI (US)
39AQI (US)
5th August 2026
32AQI (US)
32AQI (US)
6th August 2026
28AQI (US)
28AQI (US)
7th August 2026
32AQI (US)
32AQI (US)
8th August 2026
37AQI (US)
37AQI (US)
9th August 2026
51AQI (US)
51AQI (US)
10th August 2026
33AQI (US)
33AQI (US)
11th August 2026
40AQI (US)
40AQI (US)
12th August 2026
45AQI (US)
45AQI (US)
13th August 2026
52AQI (US)
52AQI (US)
14th August 2026
37AQI (US)
37AQI (US)
15th August 2026
22AQI (US)
22AQI (US)
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
24AQI (US)
32AQI (US)
33AQI (US)
30AQI (US)
31AQI (US)
29AQI (US)
34AQI (US)
35AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202631AQI (US)
29
2
26
2
26
5
26
2
28
2
26
4
29
2
13
2
203
21
Highest AQI (US) recorded in
August35AQI (US)
Lowest AQI (US) recorded in
January24AQI (US)
202535AQI (US)
26
5
24
4
30
1
28
2
31
18
12
31
23
8
28
2
15
16
30
30
1
314
51
Highest AQI (US) recorded in
October49AQI (US)
Lowest AQI (US) recorded in
November28AQI (US)
202432AQI (US)
23
7
11
7
30
1
27
3
29
2
27
3
27
4
29
2
26
4
27
4
23
7
29
2
308
46
Highest AQI (US) recorded in
February40AQI (US)
Lowest AQI (US) recorded in
March26AQI (US)
202338AQI (US)
26
4
13
15
21
10
25
5
22
9
18
12
26
3
2
26
5
15
13
1
20
11
25
3
1
29
2
266
92
3
1
Highest AQI (US) recorded in
February52AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202244AQI (US)
18
12
14
7
23
7
1
25
5
25
6
23
5
2
13
6
1
1
1
1
1
18
10
1
16
15
27
3
24
6
1
227
83
6
1
1
Highest AQI (US) recorded in
July64AQI (US)
Lowest AQI (US) recorded in
November27AQI (US)
202141AQI (US)
24
3
23
2
18
13
24
6
29
2
13
5
20
5
28
3
19
9
2
17
14
25
5
27
4
267
71
2
Highest AQI (US) recorded in
September54AQI (US)
Lowest AQI (US) recorded in
August33AQI (US)
202038AQI (US)
5
8
20
1
9
3
6
3
29
1
1
30
1
20
7
25
6
18
11
31
193
41
1
Highest AQI (US) recorded in
March53AQI (US)
Lowest AQI (US) recorded in
August29AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2022(Avg.)
44AQI (US)Least Polluted Year Recorded
2026(Avg.)
31AQI (US)Santurce's annual 2026 AQI (US) (31) shows an average percentage change of -17.5% (improved AQI (US)) compared to previous years: 2020 (38), 2021 (41), 2022 (44), 2023 (38), 2024 (32), 2025 (35).
