Pasadena, California, United States 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
Pasadena, California, United States
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Aug 2025
69AQILowest AQI recorded on
16th Aug 2025
44AQISame Day Analysis (9th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 49 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 9th Aug - 10th Aug 2026
Pasadena, California, United States
AQI
Day
Night
.
6 AM9th Aug 2026
7 PM
5 AM10th Aug 2026
Day time
Avg. Highest Time
2PM9th Aug
55AQI
Avg. Lowest Time
6AM9th Aug
48AQI
Night time
Avg. Highest Time
10PM9th Aug
50AQI
Avg. Lowest Time
9PM9th Aug
38AQI
In the last 24 hours,
Pasadena's AQI reached its highest point of 55 at 2 PM during the Day, while the lowest point, 38, was recorded at 9 PM during the Night between 9th Aug and 10th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Pasadena, California, United States
JulAug
12th - 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 - 07th07th - 08th08th - 09th09th - 10th10th
Day
Night
12th Jul 2026236 AMAQI
12th Jul 2026187 AMAQI
12th Jul 2026278 AMAQI
12th Jul 2026389 AMAQI
12th Jul 20262710 AMAQI
12th Jul 20262711 AMAQI
12th Jul 20262212 PMAQI
12th Jul 2026401 PMAQI
12th Jul 2026362 PMAQI
12th Jul 2026263 PMAQI
12th Jul 2026284 PMAQI
12th Jul 2026295 PMAQI
12th Jul 2026386 PMAQI
12th Jul 2026367 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026289 PMAQI
12th Jul 20262610 PMAQI
12th Jul 20263111 PMAQI
13th Jul 20263812 AMAQI
13th Jul 2026421 AMAQI
13th Jul 2026362 AMAQI
13th Jul 2026383 AMAQI
13th Jul 2026424 AMAQI
13th Jul 2026245 AMAQI
23°C17/32°C
13th Jul 2026186 AMAQI
13th Jul 2026297 AMAQI
13th Jul 2026388 AMAQI
13th Jul 2026269 AMAQI
13th Jul 20262210 AMAQI
13th Jul 20262711 AMAQI
13th Jul 20263112 PMAQI
13th Jul 2026341 PMAQI
13th Jul 2026332 PMAQI
13th Jul 2026343 PMAQI
13th Jul 2026444 PMAQI
13th Jul 2026365 PMAQI
13th Jul 2026386 PMAQI
13th Jul 2026387 PMAQI
13th Jul 2026318 PMAQI
13th Jul 2026509 PMAQI
13th Jul 20266210 PMAQI
13th Jul 20266711 PMAQI
14th Jul 20266212 AMAQI
14th Jul 2026641 AMAQI
14th Jul 2026682 AMAQI
14th Jul 2026683 AMAQI
14th Jul 2026184 AMAQI
14th Jul 2026475 AMAQI
25°C18/37°C
14th Jul 2026466 AMAQI
14th Jul 2026457 AMAQI
14th Jul 2026208 AMAQI
14th Jul 2026229 AMAQI
14th Jul 20262410 AMAQI
14th Jul 20263011 AMAQI
14th Jul 20263012 PMAQI
14th Jul 2026301 PMAQI
14th Jul 2026302 PMAQI
14th Jul 2026303 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026355 PMAQI
14th Jul 2026346 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026288 PMAQI
14th Jul 2026309 PMAQI
14th Jul 20262810 PMAQI
14th Jul 20262711 PMAQI
15th Jul 20262812 AMAQI
15th Jul 2026321 AMAQI
15th Jul 2026332 AMAQI
15th Jul 2026263 AMAQI
15th Jul 2026264 AMAQI
15th Jul 2026445 AMAQI
26°C18/36°C
15th Jul 2026386 AMAQI
15th Jul 2026267 AMAQI
15th Jul 2026338 AMAQI
15th Jul 2026409 AMAQI
15th Jul 20264110 AMAQI
15th Jul 20265011 AMAQI
15th Jul 20265212 PMAQI
15th Jul 2026521 PMAQI
15th Jul 2026502 PMAQI
15th Jul 2026543 PMAQI
15th Jul 2026524 PMAQI
15th Jul 2026545 PMAQI
15th Jul 2026436 PMAQI
15th Jul 2026407 PMAQI
15th Jul 2026328 PMAQI
15th Jul 2026319 PMAQI
15th Jul 20262910 PMAQI
15th Jul 20263011 PMAQI
16th Jul 20263012 AMAQI
16th Jul 2026281 AMAQI
16th Jul 2026262 AMAQI
16th Jul 2026273 AMAQI
16th Jul 2026324 AMAQI
16th Jul 2026275 AMAQI
28°C19/40°C
16th Jul 2026316 AMAQI
16th Jul 2026307 AMAQI
16th Jul 2026308 AMAQI
16th Jul 2026349 AMAQI
16th Jul 20263810 AMAQI
16th Jul 20264411 AMAQI
16th Jul 20264612 PMAQI
16th Jul 2026501 PMAQI
16th Jul 2026502 PMAQI
16th Jul 2026503 PMAQI
16th Jul 2026444 PMAQI
16th Jul 2026505 PMAQI
16th Jul 2026476 PMAQI
16th Jul 2026447 PMAQI
16th Jul 2026388 PMAQI
16th Jul 2026389 PMAQI
16th Jul 20263210 PMAQI
16th Jul 20263411 PMAQI
17th Jul 20263412 AMAQI
17th Jul 2026301 AMAQI
17th Jul 2026542 AMAQI
17th Jul 2026533 AMAQI
17th Jul 2026524 AMAQI
17th Jul 2026485 AMAQI
27°C19/38°C
17th Jul 2026526 AMAQI
17th Jul 2026517 AMAQI
17th Jul 2026528 AMAQI
17th Jul 2026569 AMAQI
17th Jul 20266210 AMAQI
17th Jul 20266211 AMAQI
17th Jul 20266012 PMAQI
17th Jul 2026581 PMAQI
17th Jul 2026562 PMAQI
17th Jul 2026563 PMAQI
17th Jul 2026574 PMAQI
17th Jul 2026605 PMAQI
17th Jul 2026486 PMAQI
17th Jul 2026517 PMAQI
17th Jul 2026448 PMAQI
17th Jul 2026519 PMAQI
17th Jul 20264610 PMAQI
17th Jul 20265011 PMAQI
18th Jul 20264612 AMAQI
18th Jul 2026481 AMAQI
18th Jul 2026482 AMAQI
18th Jul 2026503 AMAQI
18th Jul 2026464 AMAQI
18th Jul 2026465 AMAQI
26°C19/37°C
18th Jul 2026506 AMAQI
18th Jul 2026337 AMAQI
18th Jul 2026298 AMAQI
18th Jul 2026449 AMAQI
18th Jul 20265010 AMAQI
18th Jul 20264811 AMAQI
18th Jul 20265212 PMAQI
18th Jul 2026531 PMAQI
18th Jul 2026512 PMAQI
18th Jul 2026513 PMAQI
18th Jul 2026524 PMAQI
18th Jul 2026535 PMAQI
18th Jul 2026526 PMAQI
18th Jul 2026517 PMAQI
18th Jul 2026538 PMAQI
18th Jul 2026519 PMAQI
18th Jul 20264810 PMAQI
18th Jul 20265011 PMAQI
19th Jul 20264912 AMAQI
19th Jul 2026511 AMAQI
19th Jul 2026482 AMAQI
19th Jul 2026483 AMAQI
19th Jul 2026464 AMAQI
19th Jul 2026585 AMAQI
25°C19/35°C
19th Jul 2026406 AMAQI
19th Jul 2026447 AMAQI
19th Jul 2026468 AMAQI
19th Jul 2026469 AMAQI
19th Jul 20265110 AMAQI
19th Jul 20265311 AMAQI
19th Jul 20265212 PMAQI
19th Jul 2026531 PMAQI
19th Jul 2026542 PMAQI
19th Jul 2026543 PMAQI
19th Jul 2026544 PMAQI
19th Jul 2026515 PMAQI
19th Jul 2026496 PMAQI
19th Jul 2026467 PMAQI
19th Jul 2026488 PMAQI
19th Jul 2026489 PMAQI
19th Jul 20264210 PMAQI
19th Jul 20264411 PMAQI
20th Jul 20264612 AMAQI
20th Jul 2026521 AMAQI
20th Jul 2026442 AMAQI
20th Jul 2026513 AMAQI
20th Jul 2026444 AMAQI
20th Jul 2026525 AMAQI
25°C19/34°C
20th Jul 2026536 AMAQI
20th Jul 2026527 AMAQI
20th Jul 2026508 AMAQI
20th Jul 2026489 AMAQI
20th Jul 20265210 AMAQI
20th Jul 20265211 AMAQI
20th Jul 20265412 PMAQI
20th Jul 2026541 PMAQI
20th Jul 2026552 PMAQI
20th Jul 2026543 PMAQI
20th Jul 2026554 PMAQI
20th Jul 2026565 PMAQI
20th Jul 2026506 PMAQI
20th Jul 2026507 PMAQI
20th Jul 2026429 PMAQI
20th Jul 20264010 PMAQI
20th Jul 20263811 PMAQI
21st Jul 20264212 AMAQI
21st Jul 2026401 AMAQI
21st Jul 2026442 AMAQI
21st Jul 2026423 AMAQI
21st Jul 2026444 AMAQI
21st Jul 2026445 AMAQI
26°C19/37°C
21st Jul 2026426 AMAQI
21st Jul 2026407 AMAQI
21st Jul 2026338 AMAQI
21st Jul 2026239 AMAQI
21st Jul 20264210 AMAQI
21st Jul 20264611 AMAQI
21st Jul 20264912 PMAQI
21st Jul 2026481 PMAQI
21st Jul 2026502 PMAQI
21st Jul 2026513 PMAQI
21st Jul 2026504 PMAQI
21st Jul 2026485 PMAQI
21st Jul 2026266 PMAQI
21st Jul 2026567 PMAQI
21st Jul 2026528 PMAQI
21st Jul 2026519 PMAQI
21st Jul 20265010 PMAQI
21st Jul 20264611 PMAQI
22nd Jul 20264212 AMAQI
22nd Jul 2026401 AMAQI
22nd Jul 2026462 AMAQI
22nd Jul 2026423 AMAQI
22nd Jul 2026464 AMAQI
22nd Jul 2026505 AMAQI
26°C20/36°C
22nd Jul 2026506 AMAQI
22nd Jul 2026367 AMAQI
22nd Jul 2026508 AMAQI
22nd Jul 2026509 AMAQI
22nd Jul 20264610 AMAQI
22nd Jul 20264411 AMAQI
22nd Jul 20264012 PMAQI
22nd Jul 2026401 PMAQI
22nd Jul 2026462 PMAQI
22nd Jul 2026443 PMAQI
22nd Jul 2026424 PMAQI
22nd Jul 2026485 PMAQI
22nd Jul 2026506 PMAQI
22nd Jul 2026467 PMAQI
22nd Jul 2026428 PMAQI
22nd Jul 2026409 PMAQI
22nd Jul 20264210 PMAQI
22nd Jul 20264611 PMAQI
23rd Jul 20264612 AMAQI
23rd Jul 2026361 AMAQI
23rd Jul 2026502 AMAQI
23rd Jul 2026463 AMAQI
23rd Jul 2026464 AMAQI
23rd Jul 2026505 AMAQI
26°C21/35°C
23rd Jul 2026466 AMAQI
23rd Jul 2026427 AMAQI
23rd Jul 2026468 AMAQI
23rd Jul 2026529 AMAQI
23rd Jul 20264810 AMAQI
23rd Jul 20265111 AMAQI
23rd Jul 20265412 PMAQI
23rd Jul 2026511 PMAQI
23rd Jul 2026542 PMAQI
23rd Jul 2026543 PMAQI
23rd Jul 2026544 PMAQI
23rd Jul 2026485 PMAQI
23rd Jul 2026526 PMAQI
23rd Jul 2026507 PMAQI
23rd Jul 2026488 PMAQI
23rd Jul 2026489 PMAQI
23rd Jul 20264810 PMAQI
23rd Jul 20264411 PMAQI
24th Jul 20264612 AMAQI
24th Jul 2026481 AMAQI
24th Jul 2026492 AMAQI
24th Jul 2026483 AMAQI
24th Jul 2026504 AMAQI
24th Jul 2026465 AMAQI
27°C19/39°C
24th Jul 2026426 AMAQI
24th Jul 2026447 AMAQI
24th Jul 2026488 AMAQI
24th Jul 2026489 AMAQI
24th Jul 20265210 AMAQI
24th Jul 20265411 AMAQI
24th Jul 20265412 PMAQI
24th Jul 2026551 PMAQI
24th Jul 2026592 PMAQI
24th Jul 2026603 PMAQI
24th Jul 2026624 PMAQI
24th Jul 2026625 PMAQI
24th Jul 2026596 PMAQI
24th Jul 2026567 PMAQI
24th Jul 2026558 PMAQI
24th Jul 2026549 PMAQI
24th Jul 20265410 PMAQI
24th Jul 20265511 PMAQI
25th Jul 20265412 AMAQI
25th Jul 2026551 AMAQI
25th Jul 2026552 AMAQI
25th Jul 2026503 AMAQI
25th Jul 2026554 AMAQI
25th Jul 2026545 AMAQI
28°C20/39°C
25th Jul 2026426 AMAQI
25th Jul 2026487 AMAQI
25th Jul 2026548 AMAQI
25th Jul 2026519 AMAQI
25th Jul 20264810 AMAQI
25th Jul 20265211 AMAQI
25th Jul 20265712 PMAQI
25th Jul 2026561 PMAQI
25th Jul 2026592 PMAQI
25th Jul 2026573 PMAQI
25th Jul 2026554 PMAQI
25th Jul 2026555 PMAQI
25th Jul 2026546 PMAQI
25th Jul 2026567 PMAQI
25th Jul 2026548 PMAQI
25th Jul 2026549 PMAQI
25th Jul 20265310 PMAQI
25th Jul 20265111 PMAQI
26th Jul 20265512 AMAQI
26th Jul 2026501 AMAQI
26th Jul 2026502 AMAQI
26th Jul 2026513 AMAQI
26th Jul 2026514 AMAQI
26th Jul 2026525 AMAQI
28°C20/39°C
26th Jul 2026486 AMAQI
26th Jul 2026517 AMAQI
26th Jul 2026528 AMAQI
26th Jul 2026549 AMAQI
26th Jul 20265310 AMAQI
26th Jul 20265411 AMAQI
26th Jul 20265612 PMAQI
26th Jul 2026581 PMAQI
26th Jul 2026602 PMAQI
26th Jul 2026633 PMAQI
26th Jul 2026624 PMAQI
26th Jul 2026595 PMAQI
26th Jul 2026626 PMAQI
26th Jul 2026607 PMAQI
26th Jul 2026598 PMAQI
26th Jul 2026509 PMAQI
26th Jul 20264910 PMAQI
26th Jul 20265011 PMAQI
27th Jul 20264812 AMAQI
27th Jul 2026441 AMAQI
27th Jul 2026512 AMAQI
27th Jul 2026523 AMAQI
27th Jul 2026444 AMAQI
27th Jul 2026505 AMAQI
28°C19/41°C
27th Jul 2026446 AMAQI
27th Jul 2026427 AMAQI
27th Jul 2026468 AMAQI
27th Jul 2026509 AMAQI
27th Jul 20265110 AMAQI
27th Jul 20265711 AMAQI
27th Jul 20265712 PMAQI
27th Jul 2026601 PMAQI
27th Jul 2026592 PMAQI
27th Jul 2026643 PMAQI
27th Jul 2026664 PMAQI
27th Jul 2026595 PMAQI
27th Jul 2026566 PMAQI
27th Jul 2026527 PMAQI
27th Jul 2026538 PMAQI
27th Jul 2026529 PMAQI
27th Jul 20264610 PMAQI
27th Jul 20265211 PMAQI
28th Jul 20264412 AMAQI
28th Jul 2026501 AMAQI
28th Jul 2026462 AMAQI
28th Jul 2026503 AMAQI
28th Jul 2026524 AMAQI
28th Jul 2026515 AMAQI
27°C20/38°C
28th Jul 2026426 AMAQI
28th Jul 2026447 AMAQI
28th Jul 2026448 AMAQI
28th Jul 2026489 AMAQI
28th Jul 20265110 AMAQI
28th Jul 20265411 AMAQI
28th Jul 20265512 PMAQI
28th Jul 2026571 PMAQI
28th Jul 2026572 PMAQI
28th Jul 2026563 PMAQI
28th Jul 2026564 PMAQI
28th Jul 2026545 PMAQI
28th Jul 2026546 PMAQI
28th Jul 2026547 PMAQI
28th Jul 2026548 PMAQI
28th Jul 2026549 PMAQI
28th Jul 20265310 PMAQI
28th Jul 20265011 PMAQI
29th Jul 20265012 AMAQI
29th Jul 2026481 AMAQI
29th Jul 2026482 AMAQI
29th Jul 2026463 AMAQI
29th Jul 2026424 AMAQI
29th Jul 2026465 AMAQI
25°C18/36°C
29th Jul 2026506 AMAQI
29th Jul 2026467 AMAQI
29th Jul 2026468 AMAQI
29th Jul 2026519 AMAQI
29th Jul 20265210 AMAQI
29th Jul 20265211 AMAQI
29th Jul 20265512 PMAQI
29th Jul 2026571 PMAQI
29th Jul 2026582 PMAQI
29th Jul 2026573 PMAQI
29th Jul 2026544 PMAQI
29th Jul 2026515 PMAQI
29th Jul 2026516 PMAQI
29th Jul 2026517 PMAQI
29th Jul 2026508 PMAQI
29th Jul 2026509 PMAQI
29th Jul 20264810 PMAQI
29th Jul 20264611 PMAQI
30th Jul 20264612 AMAQI
30th Jul 2026441 AMAQI
30th Jul 2026502 AMAQI
30th Jul 2026513 AMAQI
30th Jul 2026494 AMAQI
30th Jul 2026485 AMAQI
25°C18/35°C
30th Jul 2026486 AMAQI
30th Jul 2026517 AMAQI
30th Jul 2026518 AMAQI
30th Jul 2026519 AMAQI
30th Jul 20265410 AMAQI
30th Jul 20265711 AMAQI
30th Jul 20266212 PMAQI
30th Jul 2026621 PMAQI
30th Jul 2026592 PMAQI
30th Jul 2026573 PMAQI
30th Jul 2026574 PMAQI
30th Jul 2026565 PMAQI
30th Jul 2026546 PMAQI
30th Jul 2026567 PMAQI
30th Jul 2026558 PMAQI
30th Jul 2026539 PMAQI
30th Jul 20264810 PMAQI
30th Jul 20264411 PMAQI
31st Jul 20264612 AMAQI
31st Jul 2026441 AMAQI
31st Jul 2026422 AMAQI
31st Jul 2026513 AMAQI
31st Jul 2026444 AMAQI
31st Jul 2026465 AMAQI
25°C19/36°C
31st Jul 2026496 AMAQI
31st Jul 2026517 AMAQI
31st Jul 2026518 AMAQI
31st Jul 2026539 AMAQI
31st Jul 20265810 AMAQI
31st Jul 20265811 AMAQI
31st Jul 20266212 PMAQI
31st Jul 2026621 PMAQI
31st Jul 2026642 PMAQI
31st Jul 2026653 PMAQI
31st Jul 2026694 PMAQI
31st Jul 2026655 PMAQI
31st Jul 2026596 PMAQI
31st Jul 2026597 PMAQI
31st Jul 2026538 PMAQI
31st Jul 2026509 PMAQI
31st Jul 20265010 PMAQI
31st Jul 20265311 PMAQI
1st Aug 20265312 AMAQI
1st Aug 2026521 AMAQI
1st Aug 2026542 AMAQI
1st Aug 2026513 AMAQI
1st Aug 2026534 AMAQI
1st Aug 2026535 AMAQI
26°C18/39°C
1st Aug 2026536 AMAQI
1st Aug 2026517 AMAQI
1st Aug 2026528 AMAQI
1st Aug 2026539 AMAQI
1st Aug 20265710 AMAQI
1st Aug 20265911 AMAQI
1st Aug 20266312 PMAQI
1st Aug 2026651 PMAQI
1st Aug 2026602 PMAQI
1st Aug 2026663 PMAQI
1st Aug 2026594 PMAQI
1st Aug 2026565 PMAQI
1st Aug 2026586 PMAQI
1st Aug 2026607 PMAQI
1st Aug 2026568 PMAQI
1st Aug 2026549 PMAQI
1st Aug 20265310 PMAQI
1st Aug 20265111 PMAQI
2nd Aug 20265312 AMAQI
2nd Aug 2026501 AMAQI
2nd Aug 2026512 AMAQI
2nd Aug 2026533 AMAQI
2nd Aug 2026524 AMAQI
2nd Aug 2026505 AMAQI
27°C18/40°C
2nd Aug 2026516 AMAQI
2nd Aug 2026507 AMAQI
2nd Aug 2026508 AMAQI
2nd Aug 2026499 AMAQI
2nd Aug 20265210 AMAQI
2nd Aug 20266211 AMAQI
2nd Aug 20266412 PMAQI
2nd Aug 2026591 PMAQI
2nd Aug 2026622 PMAQI
2nd Aug 2026593 PMAQI
2nd Aug 2026574 PMAQI
2nd Aug 2026565 PMAQI
2nd Aug 2026526 PMAQI
2nd Aug 2026567 PMAQI
2nd Aug 2026568 PMAQI
2nd Aug 2026519 PMAQI
2nd Aug 20265510 PMAQI
2nd Aug 20265311 PMAQI
3rd Aug 20265312 AMAQI
3rd Aug 2026551 AMAQI
3rd Aug 2026512 AMAQI
3rd Aug 2026503 AMAQI
3rd Aug 2026514 AMAQI
3rd Aug 2026515 AMAQI
26°C19/38°C
3rd Aug 2026526 AMAQI
3rd Aug 2026527 AMAQI
3rd Aug 2026528 AMAQI
3rd Aug 2026529 AMAQI
3rd Aug 20266010 AMAQI
3rd Aug 20266511 AMAQI
3rd Aug 20266712 PMAQI
3rd Aug 2026661 PMAQI
3rd Aug 2026652 PMAQI
3rd Aug 2026633 PMAQI
3rd Aug 2026594 PMAQI
3rd Aug 2026625 PMAQI
3rd Aug 2026556 PMAQI
3rd Aug 2026637 PMAQI
3rd Aug 2026568 PMAQI
3rd Aug 2026539 PMAQI
3rd Aug 20265010 PMAQI
3rd Aug 20265011 PMAQI
4th Aug 20264812 AMAQI
4th Aug 2026461 AMAQI
4th Aug 2026542 AMAQI
4th Aug 2026423 AMAQI
4th Aug 2026404 AMAQI
4th Aug 2026465 AMAQI
26°C18/37°C
4th Aug 2026486 AMAQI
4th Aug 2026467 AMAQI
4th Aug 2026488 AMAQI
4th Aug 2026489 AMAQI
4th Aug 20265410 AMAQI
4th Aug 20265811 AMAQI
4th Aug 20266412 PMAQI
4th Aug 2026601 PMAQI
4th Aug 2026592 PMAQI
4th Aug 2026633 PMAQI
4th Aug 2026594 PMAQI
4th Aug 2026585 PMAQI
4th Aug 2026576 PMAQI
4th Aug 2026527 PMAQI
4th Aug 2026528 PMAQI
4th Aug 2026529 PMAQI
4th Aug 20265010 PMAQI
4th Aug 20265011 PMAQI
5th Aug 20264412 AMAQI
5th Aug 2026481 AMAQI
5th Aug 2026502 AMAQI
5th Aug 2026483 AMAQI
5th Aug 2026504 AMAQI
5th Aug 2026425 AMAQI
24°C17/35°C
5th Aug 2026446 AMAQI
5th Aug 2026427 AMAQI
5th Aug 2026448 AMAQI
5th Aug 2026519 AMAQI
5th Aug 20265210 AMAQI
5th Aug 20265611 AMAQI
5th Aug 20266412 PMAQI
5th Aug 2026651 PMAQI
5th Aug 2026632 PMAQI
5th Aug 2026583 PMAQI
5th Aug 2026584 PMAQI
5th Aug 2026565 PMAQI
5th Aug 2026536 PMAQI
5th Aug 2026527 PMAQI
5th Aug 2026528 PMAQI
5th Aug 2026529 PMAQI
5th Aug 20265110 PMAQI
5th Aug 20265411 PMAQI
6th Aug 20264812 AMAQI
6th Aug 2026551 AMAQI
6th Aug 2026482 AMAQI
6th Aug 2026463 AMAQI
6th Aug 2026484 AMAQI
6th Aug 2026425 AMAQI
24°C17/34°C
6th Aug 2026486 AMAQI
6th Aug 2026447 AMAQI
6th Aug 2026518 AMAQI
6th Aug 2026449 AMAQI
6th Aug 20264810 AMAQI
6th Aug 20265311 AMAQI
6th Aug 20265412 PMAQI
6th Aug 2026581 PMAQI
6th Aug 2026592 PMAQI
6th Aug 2026563 PMAQI
6th Aug 2026524 PMAQI
6th Aug 2026525 PMAQI
6th Aug 2026546 PMAQI
6th Aug 2026507 PMAQI
6th Aug 2026488 PMAQI
6th Aug 2026489 PMAQI
6th Aug 20264810 PMAQI
6th Aug 20264811 PMAQI
7th Aug 20264212 AMAQI
7th Aug 2026421 AMAQI
7th Aug 2026402 AMAQI
7th Aug 2026423 AMAQI
7th Aug 2026464 AMAQI
7th Aug 2026485 AMAQI
25°C17/38°C
7th Aug 2026466 AMAQI
7th Aug 2026447 AMAQI
7th Aug 2026448 AMAQI
7th Aug 2026469 AMAQI
7th Aug 20265310 AMAQI
7th Aug 20265311 AMAQI
7th Aug 20265612 PMAQI
7th Aug 2026531 PMAQI
7th Aug 2026512 PMAQI
7th Aug 2026533 PMAQI
7th Aug 2026574 PMAQI
7th Aug 2026545 PMAQI
7th Aug 2026506 PMAQI
7th Aug 2026487 PMAQI
7th Aug 2026508 PMAQI
7th Aug 2026449 PMAQI
7th Aug 20264410 PMAQI
7th Aug 20264611 PMAQI
8th Aug 20264212 AMAQI
8th Aug 2026441 AMAQI
8th Aug 2026442 AMAQI
8th Aug 2026483 AMAQI
8th Aug 2026444 AMAQI
8th Aug 2026425 AMAQI
26°C18/38°C
8th Aug 2026446 AMAQI
8th Aug 2026467 AMAQI
8th Aug 2026428 AMAQI
8th Aug 2026449 AMAQI
8th Aug 20264410 AMAQI
8th Aug 20264411 AMAQI
8th Aug 20264812 PMAQI
8th Aug 2026481 PMAQI
8th Aug 2026462 PMAQI
8th Aug 2026483 PMAQI
8th Aug 2026424 PMAQI
8th Aug 2026445 PMAQI
8th Aug 2026466 PMAQI
8th Aug 2026407 PMAQI
8th Aug 2026408 PMAQI
8th Aug 2026429 PMAQI
8th Aug 20265010 PMAQI
8th Aug 20265011 PMAQI
9th Aug 20264612 AMAQI
9th Aug 2026441 AMAQI
9th Aug 2026462 AMAQI
9th Aug 2026463 AMAQI
9th Aug 2026504 AMAQI
9th Aug 2026445 AMAQI
27°C18/38°C
9th Aug 2026486 AMAQI
9th Aug 2026497 AMAQI
9th Aug 2026518 AMAQI
9th Aug 2026519 AMAQI
9th Aug 20265310 AMAQI
9th Aug 20265311 AMAQI
9th Aug 20265412 PMAQI
9th Aug 2026531 PMAQI
9th Aug 2026552 PMAQI
9th Aug 2026533 PMAQI
9th Aug 2026524 PMAQI
9th Aug 2026505 PMAQI
9th Aug 2026516 PMAQI
9th Aug 2026527 PMAQI
9th Aug 2026428 PMAQI
9th Aug 2026389 PMAQI
9th Aug 20265010 PMAQI
9th Aug 20264411 PMAQI
10th Aug 20264812 AMAQI
10th Aug 2026481 AMAQI
10th Aug 2026462 AMAQI
10th Aug 2026463 AMAQI
10th Aug 2026424 AMAQI
10th Aug 2026465 AMAQI
27°C19/40°C
10th Aug 2026506 AMAQI
6 AM10th Aug 2026467 AMAQI
10th Aug 2026468 AMAQI
10th Aug 2026429 AMAQI
10th Aug 20265310 AMAQI
10th Aug 20265311 AMAQI
10th Aug 20265112 PMAQI
12 PM10th Aug 2026531 PMAQI
10th Aug 2026532 PMAQI
10th Aug 2026503 PMAQI
10th Aug 2026484 PMAQI
10th Aug 2026465 PMAQI
10th Aug 2026446 PMAQI
10th Aug 2026427 PMAQI
7 PM10th Aug 2026568 PMAQI
10th Aug 2026499 PMAQI
10th Aug 20263810 PMAQI
10th Aug 20264811 PMAQI
12 AM
5 AM
26°C20/37°C
Day time
Avg. Highest Time
12 PM - 5 PM
53AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
7 AM - 8 AM
44AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 5 PM (Avg. 53), while the lowest AQI was between 7 AM to 8 AM (Avg. 44).
Night time
Avg. Highest Time
8 PM - 11 PM
47AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
4 AM
44AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 47), while the lowest AQI was between 4 AM to 4 AM (Avg. 44).
2026 Days Vs Air Quality
Pasadena, California, United States
2026
90%
197
10%
21
Total number of days with different AQI categories in last 222 days in 2026 (143 days remaining)
Good
197 DaysModerate
21 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2026, 90% of 222 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
Pasadena, California, United States
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
21AQI (US)
21AQI (US)
2nd January 2026
31AQI (US)
31AQI (US)
3rd January 2026
16AQI (US)
16AQI (US)
4th January 2026
15AQI (US)
15AQI (US)
5th January 2026
31AQI (US)
31AQI (US)
6th January 2026
28AQI (US)
28AQI (US)
7th January 2026
24AQI (US)
24AQI (US)
8th January 2026
19AQI (US)
19AQI (US)
9th January 2026
23AQI (US)
23AQI (US)
10th January 2026
47AQI (US)
47AQI (US)
11th January 2026
42AQI (US)
42AQI (US)
12th January 2026
33AQI (US)
33AQI (US)
13th January 2026
43AQI (US)
43AQI (US)
14th January 2026
40AQI (US)
40AQI (US)
15th January 2026
35AQI (US)
35AQI (US)
16th January 2026
37AQI (US)
37AQI (US)
17th January 2026
35AQI (US)
35AQI (US)
18th January 2026
26AQI (US)
26AQI (US)
19th January 2026
45AQI (US)
45AQI (US)
20th January 2026
46AQI (US)
46AQI (US)
21st January 2026
72AQI (US)
72AQI (US)
22nd January 2026
50AQI (US)
50AQI (US)
23rd January 2026
48AQI (US)
48AQI (US)
24th January 2026
34AQI (US)
34AQI (US)
25th January 2026
43AQI (US)
43AQI (US)
26th January 2026
39AQI (US)
39AQI (US)
27th January 2026
29AQI (US)
29AQI (US)
28th January 2026
37AQI (US)
37AQI (US)
29th January 2026
46AQI (US)
46AQI (US)
30th January 2026
57AQI (US)
57AQI (US)
31st January 2026
33AQI (US)
33AQI (US)
1st February 2026
48AQI (US)
48AQI (US)
2nd February 2026
48AQI (US)
48AQI (US)
3rd February 2026
45AQI (US)
45AQI (US)
4th February 2026
36AQI (US)
36AQI (US)
5th February 2026
46AQI (US)
46AQI (US)
6th February 2026
40AQI (US)
40AQI (US)
7th February 2026
39AQI (US)
39AQI (US)
8th February 2026
31AQI (US)
31AQI (US)
9th February 2026
40AQI (US)
40AQI (US)
10th February 2026
36AQI (US)
36AQI (US)
11th February 2026
31AQI (US)
31AQI (US)
12th February 2026
26AQI (US)
26AQI (US)
13th February 2026
30AQI (US)
30AQI (US)
14th February 2026
34AQI (US)
34AQI (US)
15th February 2026
35AQI (US)
35AQI (US)
16th February 2026
38AQI (US)
38AQI (US)
17th February 2026
35AQI (US)
35AQI (US)
18th February 2026
38AQI (US)
38AQI (US)
19th February 2026
31AQI (US)
31AQI (US)
20th February 2026
26AQI (US)
26AQI (US)
21st February 2026
26AQI (US)
26AQI (US)
22nd February 2026
32AQI (US)
32AQI (US)
23rd February 2026
34AQI (US)
34AQI (US)
24th February 2026
36AQI (US)
36AQI (US)
25th February 2026
41AQI (US)
41AQI (US)
26th February 2026
34AQI (US)
34AQI (US)
27th February 2026
29AQI (US)
29AQI (US)
28th February 2026
26AQI (US)
26AQI (US)
1st March 2026
36AQI (US)
36AQI (US)
2nd March 2026
45AQI (US)
45AQI (US)
3rd March 2026
29AQI (US)
29AQI (US)
4th March 2026
37AQI (US)
37AQI (US)
5th March 2026
29AQI (US)
29AQI (US)
6th March 2026
19AQI (US)
19AQI (US)
7th March 2026
31AQI (US)
31AQI (US)
8th March 2026
26AQI (US)
26AQI (US)
9th March 2026
27AQI (US)
27AQI (US)
10th March 2026
29AQI (US)
29AQI (US)
11th March 2026
34AQI (US)
34AQI (US)
12th March 2026
30AQI (US)
30AQI (US)
13th March 2026
34AQI (US)
34AQI (US)
14th March 2026
28AQI (US)
28AQI (US)
15th March 2026
28AQI (US)
28AQI (US)
16th March 2026
34AQI (US)
34AQI (US)
17th March 2026
28AQI (US)
28AQI (US)
18th March 2026
30AQI (US)
30AQI (US)
19th March 2026
35AQI (US)
35AQI (US)
20th March 2026
45AQI (US)
45AQI (US)
21st March 2026
32AQI (US)
32AQI (US)
22nd March 2026
30AQI (US)
30AQI (US)
23rd March 2026
41AQI (US)
41AQI (US)
24th March 2026
34AQI (US)
34AQI (US)
25th March 2026
33AQI (US)
33AQI (US)
26th March 2026
27AQI (US)
27AQI (US)
27th March 2026
34AQI (US)
34AQI (US)
28th March 2026
26AQI (US)
26AQI (US)
29th March 2026
21AQI (US)
21AQI (US)
30th March 2026
27AQI (US)
27AQI (US)
31st March 2026
26AQI (US)
26AQI (US)
1st April 2026
24AQI (US)
24AQI (US)
2nd April 2026
16AQI (US)
16AQI (US)
3rd April 2026
22AQI (US)
22AQI (US)
4th April 2026
29AQI (US)
29AQI (US)
5th April 2026
27AQI (US)
27AQI (US)
6th April 2026
34AQI (US)
34AQI (US)
7th April 2026
33AQI (US)
33AQI (US)
8th April 2026
38AQI (US)
38AQI (US)
9th April 2026
32AQI (US)
32AQI (US)
10th April 2026
29AQI (US)
29AQI (US)
11th April 2026
27AQI (US)
27AQI (US)
12th April 2026
21AQI (US)
21AQI (US)
13th April 2026
18AQI (US)
18AQI (US)
14th April 2026
21AQI (US)
21AQI (US)
15th April 2026
32AQI (US)
32AQI (US)
16th April 2026
25AQI (US)
25AQI (US)
17th April 2026
18th April 2026
32AQI (US)
32AQI (US)
19th April 2026
30AQI (US)
30AQI (US)
20th April 2026
23AQI (US)
23AQI (US)
21st April 2026
16AQI (US)
16AQI (US)
22nd April 2026
23rd April 2026
22AQI (US)
22AQI (US)
24th April 2026
19AQI (US)
19AQI (US)
25th April 2026
23AQI (US)
23AQI (US)
26th April 2026
25AQI (US)
25AQI (US)
27th April 2026
18AQI (US)
18AQI (US)
28th April 2026
24AQI (US)
24AQI (US)
29th April 2026
27AQI (US)
27AQI (US)
30th April 2026
28AQI (US)
28AQI (US)
1st May 2026
33AQI (US)
33AQI (US)
2nd May 2026
34AQI (US)
34AQI (US)
3rd May 2026
25AQI (US)
25AQI (US)
4th May 2026
34AQI (US)
34AQI (US)
5th May 2026
32AQI (US)
32AQI (US)
6th May 2026
30AQI (US)
30AQI (US)
7th May 2026
32AQI (US)
32AQI (US)
8th May 2026
39AQI (US)
39AQI (US)
9th May 2026
10th May 2026
32AQI (US)
32AQI (US)
11th May 2026
38AQI (US)
38AQI (US)
12th May 2026
31AQI (US)
31AQI (US)
13th May 2026
32AQI (US)
32AQI (US)
14th May 2026
30AQI (US)
30AQI (US)
15th May 2026
47AQI (US)
47AQI (US)
16th May 2026
49AQI (US)
49AQI (US)
17th May 2026
58AQI (US)
58AQI (US)
18th May 2026
58AQI (US)
58AQI (US)
19th May 2026
56AQI (US)
56AQI (US)
20th May 2026
52AQI (US)
52AQI (US)
21st May 2026
43AQI (US)
43AQI (US)
22nd May 2026
50AQI (US)
50AQI (US)
23rd May 2026
51AQI (US)
51AQI (US)
24th May 2026
45AQI (US)
45AQI (US)
25th May 2026
42AQI (US)
42AQI (US)
26th May 2026
24AQI (US)
24AQI (US)
27th May 2026
18AQI (US)
18AQI (US)
28th May 2026
18AQI (US)
18AQI (US)
29th May 2026
17AQI (US)
17AQI (US)
30th May 2026
16AQI (US)
16AQI (US)
31st May 2026
25AQI (US)
25AQI (US)
1st June 2026
31AQI (US)
31AQI (US)
2nd June 2026
41AQI (US)
41AQI (US)
3rd June 2026
42AQI (US)
42AQI (US)
4th June 2026
40AQI (US)
40AQI (US)
5th June 2026
34AQI (US)
34AQI (US)
6th June 2026
25AQI (US)
25AQI (US)
7th June 2026
29AQI (US)
29AQI (US)
8th June 2026
33AQI (US)
33AQI (US)
9th June 2026
32AQI (US)
32AQI (US)
10th June 2026
30AQI (US)
30AQI (US)
11th June 2026
28AQI (US)
28AQI (US)
12th June 2026
23AQI (US)
23AQI (US)
13th June 2026
19AQI (US)
19AQI (US)
14th June 2026
22AQI (US)
22AQI (US)
15th June 2026
23AQI (US)
23AQI (US)
16th June 2026
23AQI (US)
23AQI (US)
17th June 2026
27AQI (US)
27AQI (US)
18th June 2026
23AQI (US)
23AQI (US)
19th June 2026
27AQI (US)
27AQI (US)
20th June 2026
39AQI (US)
39AQI (US)
21st June 2026
36AQI (US)
36AQI (US)
22nd June 2026
28AQI (US)
28AQI (US)
23rd June 2026
38AQI (US)
38AQI (US)
24th June 2026
31AQI (US)
31AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
29AQI (US)
29AQI (US)
27th June 2026
24AQI (US)
24AQI (US)
28th June 2026
18AQI (US)
18AQI (US)
29th June 2026
24AQI (US)
24AQI (US)
30th June 2026
25AQI (US)
25AQI (US)
1st July 2026
21AQI (US)
21AQI (US)
2nd July 2026
36AQI (US)
36AQI (US)
3rd July 2026
24AQI (US)
24AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
45AQI (US)
45AQI (US)
6th July 2026
26AQI (US)
26AQI (US)
7th July 2026
58AQI (US)
58AQI (US)
8th July 2026
35AQI (US)
35AQI (US)
9th July 2026
41AQI (US)
41AQI (US)
10th July 2026
37AQI (US)
37AQI (US)
11th July 2026
32AQI (US)
32AQI (US)
12th July 2026
28AQI (US)
28AQI (US)
13th July 2026
37AQI (US)
37AQI (US)
14th July 2026
37AQI (US)
37AQI (US)
15th July 2026
39AQI (US)
39AQI (US)
16th July 2026
38AQI (US)
38AQI (US)
17th July 2026
52AQI (US)
52AQI (US)
18th July 2026
48AQI (US)
48AQI (US)
19th July 2026
49AQI (US)
49AQI (US)
20th July 2026
50AQI (US)
50AQI (US)
21st July 2026
44AQI (US)
44AQI (US)
22nd July 2026
44AQI (US)
44AQI (US)
23rd July 2026
48AQI (US)
48AQI (US)
24th July 2026
52AQI (US)
52AQI (US)
25th July 2026
53AQI (US)
53AQI (US)
26th July 2026
55AQI (US)
55AQI (US)
27th July 2026
52AQI (US)
52AQI (US)
28th July 2026
51AQI (US)
51AQI (US)
29th July 2026
50AQI (US)
50AQI (US)
30th July 2026
53AQI (US)
53AQI (US)
31st July 2026
54AQI (US)
54AQI (US)
1st August 2026
56AQI (US)
56AQI (US)
2nd August 2026
54AQI (US)
54AQI (US)
3rd August 2026
56AQI (US)
56AQI (US)
4th August 2026
52AQI (US)
52AQI (US)
5th August 2026
52AQI (US)
52AQI (US)
6th August 2026
50AQI (US)
50AQI (US)
7th August 2026
48AQI (US)
48AQI (US)
8th August 2026
45AQI (US)
45AQI (US)
9th August 2026
49AQI (US)
49AQI (US)
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
36AQI (US)
35AQI (US)
31AQI (US)
26AQI (US)
36AQI (US)
29AQI (US)
42AQI (US)
51AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202635AQI (US)
29
2
28
31
28
25
5
30
22
9
4
5
197
21
Highest AQI (US) recorded in
August51AQI (US)
Lowest AQI (US) recorded in
April26AQI (US)
202547AQI (US)
6
24
6
24
7
13
17
25
6
10
21
27
3
11
20
16
14
12
19
168
113
Highest AQI (US) recorded in
December58AQI (US)
Lowest AQI (US) recorded in
March28AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Most Polluted Year Recorded
2025(Avg.)
47AQI (US)Least Polluted Year Recorded
2026(Avg.)
35AQI (US)Pasadena's annual 2026 AQI (US) (35) shows an average percentage change of -25.5% (improved AQI (US)) compared to previous years: 2025 (47).
