August, 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+
October Air Quality Analysis
August, California, United States
2021
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
11th Oct 2021
122AQILowest AQI recorded on
16th Oct 2024
20AQISame Day Analysis (22nd October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 47 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 22nd Oct - 23rd Oct 2025
August, California, United States
AQI
Day
Night
.
7 AM22nd Oct 2025
6 PM
6 AM23rd Oct 2025
Day time
Avg. Highest Time
3PM22nd Oct
45AQI
Avg. Lowest Time
1PM22nd Oct
34AQI
Night time
Avg. Highest Time
9PM22nd Oct
48AQI
Avg. Lowest Time
5AM23rd Oct
32AQI
In the last 24 hours,
August's AQI reached its highest point of 48 at 9 PM during the Night, while the lowest point, 32, was recorded at 5 AM during the Night between 22nd Oct and 23rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
August, California, United States
SepOct
23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd
Day
Night
23rd Sep 2025427 AMAQI
23rd Sep 2025398 AMAQI
23rd Sep 2025389 AMAQI
23rd Sep 20254210 AMAQI
23rd Sep 20254211 AMAQI
23rd Sep 20254612 PMAQI
23rd Sep 2025491 PMAQI
23rd Sep 2025462 PMAQI
23rd Sep 2025423 PMAQI
23rd Sep 2025434 PMAQI
23rd Sep 2025415 PMAQI
23rd Sep 2025446 PMAQI
23rd Sep 2025427 PMAQI
23rd Sep 2025448 PMAQI
23rd Sep 2025429 PMAQI
23rd Sep 20254310 PMAQI
23rd Sep 20254811 PMAQI
24th Sep 20254912 AMAQI
24th Sep 2025501 AMAQI
24th Sep 2025482 AMAQI
24th Sep 2025503 AMAQI
24th Sep 2025514 AMAQI
24th Sep 2025505 AMAQI
24th Sep 2025466 AMAQI
27°C17/40°C
24th Sep 2025457 AMAQI
24th Sep 2025468 AMAQI
24th Sep 2025489 AMAQI
24th Sep 20255010 AMAQI
24th Sep 20255011 AMAQI
24th Sep 20255012 PMAQI
24th Sep 2025511 PMAQI
24th Sep 2025502 PMAQI
24th Sep 2025473 PMAQI
24th Sep 2025484 PMAQI
24th Sep 2025465 PMAQI
24th Sep 2025446 PMAQI
24th Sep 2025487 PMAQI
24th Sep 2025488 PMAQI
24th Sep 2025489 PMAQI
24th Sep 20254810 PMAQI
24th Sep 20254811 PMAQI
25th Sep 20254812 AMAQI
25th Sep 2025321 AMAQI
25th Sep 2025282 AMAQI
25th Sep 2025223 AMAQI
25th Sep 2025294 AMAQI
25th Sep 2025325 AMAQI
25th Sep 2025246 AMAQI
25°C20/34°C
25th Sep 2025227 AMAQI
25th Sep 2025258 AMAQI
25th Sep 2025259 AMAQI
25th Sep 20253410 AMAQI
25th Sep 20253511 AMAQI
25th Sep 20253612 PMAQI
25th Sep 2025391 PMAQI
25th Sep 2025322 PMAQI
25th Sep 2025313 PMAQI
25th Sep 2025324 PMAQI
25th Sep 2025345 PMAQI
25th Sep 2025356 PMAQI
25th Sep 2025367 PMAQI
25th Sep 2025458 PMAQI
25th Sep 2025329 PMAQI
25th Sep 20253210 PMAQI
25th Sep 20254211 PMAQI
26th Sep 20253212 AMAQI
26th Sep 2025281 AMAQI
26th Sep 2025282 AMAQI
26th Sep 2025243 AMAQI
26th Sep 2025304 AMAQI
26th Sep 2025335 AMAQI
26th Sep 2025326 AMAQI
24°C19/31°C
26th Sep 2025407 AMAQI
26th Sep 2025328 AMAQI
26th Sep 2025389 AMAQI
26th Sep 20254210 AMAQI
26th Sep 20254011 AMAQI
26th Sep 20254412 PMAQI
26th Sep 2025441 PMAQI
26th Sep 2025512 PMAQI
26th Sep 2025533 PMAQI
26th Sep 2025504 PMAQI
26th Sep 2025455 PMAQI
26th Sep 2025496 PMAQI
26th Sep 2025517 PMAQI
26th Sep 2025538 PMAQI
26th Sep 2025539 PMAQI
26th Sep 20255310 PMAQI
26th Sep 20255211 PMAQI
27th Sep 20255112 AMAQI
27th Sep 2025541 AMAQI
27th Sep 2025552 AMAQI
27th Sep 2025583 AMAQI
27th Sep 2025544 AMAQI
27th Sep 2025545 AMAQI
27th Sep 2025546 AMAQI
23°C14/35°C
27th Sep 2025607 AMAQI
27th Sep 2025618 AMAQI
27th Sep 2025609 AMAQI
27th Sep 20255610 AMAQI
27th Sep 20255711 AMAQI
27th Sep 20255912 PMAQI
27th Sep 2025591 PMAQI
27th Sep 2025582 PMAQI
27th Sep 2025553 PMAQI
27th Sep 2025554 PMAQI
27th Sep 2025565 PMAQI
27th Sep 2025546 PMAQI
27th Sep 2025557 PMAQI
27th Sep 2025528 PMAQI
27th Sep 2025409 PMAQI
27th Sep 20253410 PMAQI
27th Sep 20253711 PMAQI
28th Sep 20254512 AMAQI
28th Sep 2025441 AMAQI
28th Sep 2025512 AMAQI
28th Sep 2025503 AMAQI
28th Sep 2025554 AMAQI
28th Sep 2025555 AMAQI
28th Sep 2025536 AMAQI
23°C17/33°C
28th Sep 2025527 AMAQI
28th Sep 2025518 AMAQI
28th Sep 2025439 AMAQI
28th Sep 20254010 AMAQI
28th Sep 20254711 AMAQI
28th Sep 20254612 PMAQI
28th Sep 2025551 PMAQI
28th Sep 2025552 PMAQI
28th Sep 2025543 PMAQI
28th Sep 2025534 PMAQI
28th Sep 2025435 PMAQI
28th Sep 2025356 PMAQI
28th Sep 2025417 PMAQI
28th Sep 2025468 PMAQI
28th Sep 2025519 PMAQI
28th Sep 20255410 PMAQI
28th Sep 20255611 PMAQI
29th Sep 20255512 AMAQI
29th Sep 2025571 AMAQI
29th Sep 2025582 AMAQI
29th Sep 2025543 AMAQI
29th Sep 2025464 AMAQI
29th Sep 2025415 AMAQI
29th Sep 2025406 AMAQI
20°C16/26°C
29th Sep 2025317 AMAQI
29th Sep 2025418 AMAQI
29th Sep 2025389 AMAQI
29th Sep 20253110 AMAQI
29th Sep 20253811 AMAQI
29th Sep 20253912 PMAQI
29th Sep 2025391 PMAQI
29th Sep 2025342 PMAQI
29th Sep 2025403 PMAQI
29th Sep 2025404 PMAQI
29th Sep 2025395 PMAQI
29th Sep 2025376 PMAQI
29th Sep 2025357 PMAQI
29th Sep 2025408 PMAQI
29th Sep 2025309 PMAQI
29th Sep 20253710 PMAQI
29th Sep 20255011 PMAQI
30th Sep 20255212 AMAQI
30th Sep 2025551 AMAQI
30th Sep 2025542 AMAQI
30th Sep 2025523 AMAQI
30th Sep 2025484 AMAQI
30th Sep 2025455 AMAQI
30th Sep 2025416 AMAQI
21°C17/26°C
30th Sep 2025427 AMAQI
30th Sep 2025408 AMAQI
30th Sep 2025409 AMAQI
30th Sep 20253610 AMAQI
30th Sep 20254611 AMAQI
30th Sep 20254312 PMAQI
30th Sep 2025381 PMAQI
30th Sep 2025382 PMAQI
30th Sep 2025463 PMAQI
30th Sep 2025344 PMAQI
30th Sep 2025325 PMAQI
30th Sep 2025356 PMAQI
30th Sep 2025277 PMAQI
30th Sep 2025278 PMAQI
30th Sep 2025279 PMAQI
30th Sep 20252910 PMAQI
30th Sep 20252811 PMAQI
1st Oct 20253012 AMAQI
1st Oct 2025291 AMAQI
1st Oct 2025322 AMAQI
1st Oct 2025283 AMAQI
1st Oct 2025194 AMAQI
1st Oct 2025285 AMAQI
1st Oct 2025326 AMAQI
21°C16/26°C
1st Oct 2025307 AMAQI
1st Oct 2025228 AMAQI
1st Oct 2025139 AMAQI
1st Oct 20252910 AMAQI
1st Oct 20253911 AMAQI
1st Oct 20253712 PMAQI
1st Oct 2025431 PMAQI
1st Oct 2025482 PMAQI
1st Oct 2025473 PMAQI
1st Oct 2025224 PMAQI
1st Oct 2025165 PMAQI
1st Oct 2025166 PMAQI
1st Oct 2025367 PMAQI
1st Oct 2025388 PMAQI
1st Oct 2025189 PMAQI
1st Oct 20251510 PMAQI
1st Oct 20251211 PMAQI
2nd Oct 20253812 AMAQI
2nd Oct 2025401 AMAQI
2nd Oct 202582 AMAQI
2nd Oct 202573 AMAQI
2nd Oct 202564 AMAQI
2nd Oct 2025135 AMAQI
2nd Oct 2025396 AMAQI
21°C16/28°C
2nd Oct 2025257 AMAQI
2nd Oct 202568 AMAQI
2nd Oct 202589 AMAQI
2nd Oct 2025810 AMAQI
2nd Oct 20251011 AMAQI
2nd Oct 20251512 PMAQI
2nd Oct 2025291 PMAQI
2nd Oct 2025312 PMAQI
2nd Oct 2025253 PMAQI
2nd Oct 2025184 PMAQI
2nd Oct 2025405 PMAQI
2nd Oct 2025496 PMAQI
2nd Oct 2025397 PMAQI
2nd Oct 2025388 PMAQI
2nd Oct 2025339 PMAQI
2nd Oct 20252910 PMAQI
2nd Oct 20252111 PMAQI
3rd Oct 20251912 AMAQI
3rd Oct 2025341 AMAQI
3rd Oct 2025432 AMAQI
3rd Oct 2025433 AMAQI
3rd Oct 2025304 AMAQI
3rd Oct 2025325 AMAQI
3rd Oct 2025216 AMAQI
19°C15/24°C
3rd Oct 2025337 AMAQI
3rd Oct 2025108 AMAQI
3rd Oct 2025139 AMAQI
3rd Oct 20252010 AMAQI
3rd Oct 20252811 AMAQI
3rd Oct 20254512 PMAQI
3rd Oct 2025331 PMAQI
3rd Oct 2025112 PMAQI
3rd Oct 2025123 PMAQI
3rd Oct 2025164 PMAQI
3rd Oct 2025525 PMAQI
3rd Oct 2025416 PMAQI
3rd Oct 2025417 PMAQI
3rd Oct 2025448 PMAQI
3rd Oct 2025429 PMAQI
3rd Oct 20254610 PMAQI
3rd Oct 20254311 PMAQI
4th Oct 20254012 AMAQI
4th Oct 2025531 AMAQI
4th Oct 2025482 AMAQI
4th Oct 2025433 AMAQI
4th Oct 2025464 AMAQI
4th Oct 2025455 AMAQI
4th Oct 2025136 AMAQI
18°C14/24°C
4th Oct 2025137 AMAQI
4th Oct 2025238 AMAQI
4th Oct 2025409 AMAQI
4th Oct 20251710 AMAQI
4th Oct 20252611 AMAQI
4th Oct 20253912 PMAQI
4th Oct 2025401 PMAQI
4th Oct 2025422 PMAQI
4th Oct 2025433 PMAQI
4th Oct 2025434 PMAQI
4th Oct 2025225 PMAQI
4th Oct 2025406 PMAQI
4th Oct 2025377 PMAQI
4th Oct 2025338 PMAQI
4th Oct 2025169 PMAQI
4th Oct 20252310 PMAQI
4th Oct 20255411 PMAQI
5th Oct 20255512 AMAQI
5th Oct 2025541 AMAQI
5th Oct 2025402 AMAQI
5th Oct 2025133 AMAQI
5th Oct 2025454 AMAQI
5th Oct 2025415 AMAQI
5th Oct 2025446 AMAQI
19°C12/29°C
5th Oct 2025417 AMAQI
5th Oct 2025228 AMAQI
5th Oct 2025329 AMAQI
5th Oct 20255310 AMAQI
5th Oct 20255011 AMAQI
5th Oct 20254612 PMAQI
5th Oct 2025531 PMAQI
5th Oct 2025532 PMAQI
5th Oct 2025533 PMAQI
5th Oct 2025484 PMAQI
5th Oct 2025435 PMAQI
5th Oct 2025346 PMAQI
5th Oct 2025217 PMAQI
5th Oct 2025428 PMAQI
5th Oct 2025519 PMAQI
5th Oct 20254010 PMAQI
5th Oct 20252311 PMAQI
6th Oct 20252312 AMAQI
6th Oct 2025451 AMAQI
6th Oct 2025542 AMAQI
6th Oct 2025543 AMAQI
6th Oct 2025534 AMAQI
6th Oct 2025485 AMAQI
6th Oct 2025416 AMAQI
20°C12/30°C
6th Oct 2025277 AMAQI
6th Oct 2025518 AMAQI
6th Oct 2025179 AMAQI
6th Oct 20252110 AMAQI
7th Oct 2025204 AMAQI
7th Oct 2025245 AMAQI
7th Oct 2025506 AMAQI
21°C13/33°C
7th Oct 2025557 AMAQI
7th Oct 2025548 AMAQI
7th Oct 2025559 AMAQI
7th Oct 20254810 AMAQI
7th Oct 20255611 AMAQI
7th Oct 20255412 PMAQI
7th Oct 2025501 PMAQI
7th Oct 2025462 PMAQI
7th Oct 2025423 PMAQI
7th Oct 2025454 PMAQI
7th Oct 2025265 PMAQI
7th Oct 2025336 PMAQI
7th Oct 2025387 PMAQI
7th Oct 2025418 PMAQI
7th Oct 2025449 PMAQI
7th Oct 20254210 PMAQI
7th Oct 20253711 PMAQI
8th Oct 20253212 AMAQI
8th Oct 2025591 AMAQI
8th Oct 2025582 AMAQI
8th Oct 2025563 AMAQI
8th Oct 2025524 AMAQI
8th Oct 2025555 AMAQI
8th Oct 2025546 AMAQI
22°C12/35°C
8th Oct 2025577 AMAQI
8th Oct 2025538 AMAQI
8th Oct 2025539 AMAQI
8th Oct 20255810 AMAQI
8th Oct 20255711 AMAQI
8th Oct 20255612 PMAQI
8th Oct 2025551 PMAQI
8th Oct 2025532 PMAQI
8th Oct 2025503 PMAQI
8th Oct 2025434 PMAQI
8th Oct 2025505 PMAQI
8th Oct 2025476 PMAQI
8th Oct 2025587 PMAQI
8th Oct 2025448 PMAQI
8th Oct 2025589 PMAQI
8th Oct 20255210 PMAQI
8th Oct 20254411 PMAQI
9th Oct 20255112 AMAQI
9th Oct 2025431 AMAQI
9th Oct 2025552 AMAQI
9th Oct 2025523 AMAQI
9th Oct 2025494 AMAQI
9th Oct 2025515 AMAQI
9th Oct 2025406 AMAQI
20°C14/29°C
9th Oct 2025287 AMAQI
9th Oct 2025428 AMAQI
9th Oct 2025449 AMAQI
9th Oct 20254310 AMAQI
9th Oct 20254211 AMAQI
9th Oct 20255712 PMAQI
9th Oct 2025561 PMAQI
9th Oct 2025552 PMAQI
9th Oct 2025563 PMAQI
9th Oct 2025534 PMAQI
9th Oct 2025475 PMAQI
9th Oct 2025546 PMAQI
9th Oct 2025557 PMAQI
9th Oct 2025528 PMAQI
9th Oct 2025339 PMAQI
9th Oct 20252410 PMAQI
9th Oct 20255011 PMAQI
10th Oct 20255312 AMAQI
10th Oct 2025541 AMAQI
10th Oct 2025172 AMAQI
10th Oct 2025183 AMAQI
10th Oct 2025514 AMAQI
10th Oct 2025525 AMAQI
10th Oct 2025486 AMAQI
18°C13/26°C
10th Oct 2025407 AMAQI
10th Oct 2025268 AMAQI
10th Oct 2025399 AMAQI
10th Oct 20254610 AMAQI
10th Oct 20255311 AMAQI
10th Oct 20254612 PMAQI
10th Oct 2025521 PMAQI
10th Oct 2025502 PMAQI
10th Oct 2025243 PMAQI
10th Oct 2025264 PMAQI
10th Oct 2025455 PMAQI
10th Oct 2025446 PMAQI
10th Oct 2025467 PMAQI
10th Oct 2025228 PMAQI
10th Oct 2025239 PMAQI
10th Oct 20253610 PMAQI
10th Oct 20254011 PMAQI
11th Oct 20253912 AMAQI
11th Oct 2025371 AMAQI
11th Oct 2025422 AMAQI
11th Oct 2025423 AMAQI
11th Oct 202574 AMAQI
11th Oct 202585 AMAQI
11th Oct 202586 AMAQI
18°C13/27°C
11th Oct 2025167 AMAQI
11th Oct 2025418 AMAQI
11th Oct 2025519 AMAQI
11th Oct 20254510 AMAQI
11th Oct 20253711 AMAQI
11th Oct 20251312 PMAQI
11th Oct 2025131 PMAQI
11th Oct 2025132 PMAQI
11th Oct 2025133 PMAQI
11th Oct 2025214 PMAQI
11th Oct 2025315 PMAQI
11th Oct 2025236 PMAQI
11th Oct 2025327 PMAQI
11th Oct 2025168 PMAQI
11th Oct 2025239 PMAQI
11th Oct 20253810 PMAQI
11th Oct 20255111 PMAQI
12th Oct 20255112 AMAQI
12th Oct 2025451 AMAQI
12th Oct 2025512 AMAQI
12th Oct 2025533 AMAQI
12th Oct 2025514 AMAQI
12th Oct 2025365 AMAQI
12th Oct 2025326 AMAQI
17°C12/24°C
12th Oct 2025247 AMAQI
12th Oct 2025408 AMAQI
12th Oct 2025399 AMAQI
12th Oct 20254210 AMAQI
12th Oct 20253211 AMAQI
12th Oct 20251612 PMAQI
12th Oct 2025161 PMAQI
12th Oct 2025192 PMAQI
12th Oct 2025163 PMAQI
12th Oct 2025174 PMAQI
12th Oct 2025165 PMAQI
12th Oct 2025206 PMAQI
12th Oct 2025207 PMAQI
12th Oct 2025218 PMAQI
12th Oct 2025269 PMAQI
12th Oct 20253210 PMAQI
12th Oct 20253511 PMAQI
13th Oct 20253412 AMAQI
13th Oct 2025341 AMAQI
13th Oct 2025492 AMAQI
13th Oct 2025513 AMAQI
13th Oct 2025544 AMAQI
13th Oct 2025515 AMAQI
13th Oct 2025546 AMAQI
17°C10/26°C
13th Oct 2025467 AMAQI
13th Oct 2025288 AMAQI
13th Oct 2025349 AMAQI
13th Oct 20254610 AMAQI
13th Oct 20255211 AMAQI
13th Oct 20254912 PMAQI
13th Oct 2025461 PMAQI
13th Oct 2025502 PMAQI
13th Oct 2025343 PMAQI
13th Oct 2025474 PMAQI
13th Oct 2025525 PMAQI
13th Oct 2025516 PMAQI
13th Oct 2025327 PMAQI
13th Oct 2025218 PMAQI
13th Oct 2025159 PMAQI
13th Oct 2025810 PMAQI
13th Oct 20251611 PMAQI
14th Oct 20253012 AMAQI
14th Oct 2025381 AMAQI
14th Oct 2025282 AMAQI
14th Oct 2025243 AMAQI
14th Oct 2025264 AMAQI
14th Oct 2025255 AMAQI
14th Oct 2025236 AMAQI
15°C12/22°C
14th Oct 2025267 AMAQI
14th Oct 2025168 AMAQI
14th Oct 202579 AMAQI
14th Oct 20252910 AMAQI
14th Oct 20252811 AMAQI
14th Oct 20252312 PMAQI
14th Oct 2025331 PMAQI
14th Oct 2025322 PMAQI
14th Oct 2025383 PMAQI
14th Oct 2025174 PMAQI
14th Oct 2025125 PMAQI
14th Oct 2025326 PMAQI
14th Oct 2025297 PMAQI
14th Oct 2025168 PMAQI
14th Oct 2025239 PMAQI
14th Oct 20251510 PMAQI
14th Oct 20253811 PMAQI
15th Oct 20253412 AMAQI
15th Oct 2025281 AMAQI
15th Oct 2025372 AMAQI
15th Oct 2025373 AMAQI
15th Oct 2025294 AMAQI
15th Oct 2025165 AMAQI
15th Oct 2025236 AMAQI
12°C11/15°C
15th Oct 202567 AMAQI
15th Oct 202588 AMAQI
15th Oct 2025129 AMAQI
15th Oct 20253910 AMAQI
15th Oct 20254311 AMAQI
15th Oct 20254212 PMAQI
15th Oct 202581 PMAQI
15th Oct 202582 PMAQI
15th Oct 2025103 PMAQI
15th Oct 202584 PMAQI
15th Oct 2025425 PMAQI
15th Oct 2025476 PMAQI
15th Oct 2025407 PMAQI
15th Oct 2025448 PMAQI
15th Oct 2025459 PMAQI
15th Oct 20254610 PMAQI
15th Oct 20251911 PMAQI
16th Oct 20251812 AMAQI
16th Oct 2025231 AMAQI
16th Oct 2025532 AMAQI
16th Oct 2025443 AMAQI
16th Oct 2025424 AMAQI
16th Oct 2025395 AMAQI
16th Oct 2025326 AMAQI
14°C10/18°C
16th Oct 2025117 AMAQI
16th Oct 2025168 AMAQI
16th Oct 2025249 AMAQI
16th Oct 20252510 AMAQI
16th Oct 20251711 AMAQI
16th Oct 20251612 PMAQI
16th Oct 2025111 PMAQI
16th Oct 2025102 PMAQI
16th Oct 2025423 PMAQI
16th Oct 2025144 PMAQI
16th Oct 202575 PMAQI
16th Oct 2025346 PMAQI
16th Oct 2025427 PMAQI
16th Oct 2025438 PMAQI
16th Oct 2025439 PMAQI
16th Oct 20255710 PMAQI
16th Oct 20256311 PMAQI
17th Oct 20256212 AMAQI
17th Oct 2025651 AMAQI
17th Oct 2025662 AMAQI
17th Oct 2025673 AMAQI
17th Oct 2025524 AMAQI
17th Oct 2025535 AMAQI
17th Oct 2025536 AMAQI
14°C9/21°C
17th Oct 2025557 AMAQI
17th Oct 2025498 AMAQI
17th Oct 2025519 AMAQI
17th Oct 20254010 AMAQI
17th Oct 20252611 AMAQI
17th Oct 20254712 PMAQI
17th Oct 2025571 PMAQI
17th Oct 2025412 PMAQI
17th Oct 2025283 PMAQI
17th Oct 2025534 PMAQI
17th Oct 2025545 PMAQI
17th Oct 2025546 PMAQI
17th Oct 2025537 PMAQI
17th Oct 2025208 PMAQI
17th Oct 2025259 PMAQI
17th Oct 20254210 PMAQI
17th Oct 20256111 PMAQI
18th Oct 20255612 AMAQI
18th Oct 2025591 AMAQI
18th Oct 2025702 AMAQI
18th Oct 2025823 AMAQI
18th Oct 2025804 AMAQI
18th Oct 2025825 AMAQI
18th Oct 2025786 AMAQI
16°C8/24°C
18th Oct 2025887 AMAQI
18th Oct 2025668 AMAQI
18th Oct 2025699 AMAQI
18th Oct 20256610 AMAQI
18th Oct 20256211 AMAQI
18th Oct 20255412 PMAQI
18th Oct 2025601 PMAQI
18th Oct 2025682 PMAQI
18th Oct 2025673 PMAQI
18th Oct 2025564 PMAQI
18th Oct 2025625 PMAQI
18th Oct 2025626 PMAQI
18th Oct 2025627 PMAQI
18th Oct 2025548 PMAQI
18th Oct 2025549 PMAQI
18th Oct 20256010 PMAQI
18th Oct 20257311 PMAQI
19th Oct 20257012 AMAQI
19th Oct 2025751 AMAQI
19th Oct 2025782 AMAQI
19th Oct 2025783 AMAQI
19th Oct 2025714 AMAQI
19th Oct 2025715 AMAQI
19th Oct 2025766 AMAQI
18°C11/28°C
19th Oct 2025447 AMAQI
19th Oct 2025518 AMAQI
19th Oct 2025659 AMAQI
19th Oct 20257110 AMAQI
19th Oct 20256511 AMAQI
19th Oct 20257012 PMAQI
19th Oct 2025411 PMAQI
19th Oct 2025662 PMAQI
19th Oct 2025663 PMAQI
19th Oct 2025644 PMAQI
19th Oct 2025625 PMAQI
19th Oct 2025416 PMAQI
19th Oct 2025157 PMAQI
19th Oct 2025158 PMAQI
19th Oct 2025369 PMAQI
19th Oct 20255510 PMAQI
19th Oct 20256111 PMAQI
20th Oct 20256012 AMAQI
20th Oct 2025571 AMAQI
20th Oct 2025612 AMAQI
20th Oct 2025593 AMAQI
20th Oct 2025564 AMAQI
20th Oct 2025605 AMAQI
20th Oct 2025586 AMAQI
18°C10/29°C
20th Oct 2025537 AMAQI
20th Oct 2025438 AMAQI
20th Oct 2025309 AMAQI
20th Oct 20253910 AMAQI
20th Oct 20254111 AMAQI
20th Oct 20253712 PMAQI
20th Oct 2025121 PMAQI
20th Oct 2025122 PMAQI
20th Oct 2025313 PMAQI
20th Oct 2025154 PMAQI
20th Oct 2025215 PMAQI
20th Oct 2025206 PMAQI
20th Oct 2025237 PMAQI
20th Oct 2025168 PMAQI
20th Oct 2025399 PMAQI
20th Oct 20255510 PMAQI
20th Oct 20255811 PMAQI
21st Oct 20257212 AMAQI
21st Oct 2025911 AMAQI
21st Oct 20251062 AMAQI
21st Oct 2025763 AMAQI
21st Oct 2025544 AMAQI
21st Oct 2025385 AMAQI
21st Oct 2025256 AMAQI
19°C11/29°C
21st Oct 2025447 AMAQI
21st Oct 2025508 AMAQI
21st Oct 2025519 AMAQI
21st Oct 20254810 AMAQI
21st Oct 20254911 AMAQI
21st Oct 20255412 PMAQI
21st Oct 2025511 PMAQI
21st Oct 2025482 PMAQI
21st Oct 2025423 PMAQI
21st Oct 2025354 PMAQI
21st Oct 2025345 PMAQI
21st Oct 2025416 PMAQI
21st Oct 2025497 PMAQI
21st Oct 2025518 PMAQI
21st Oct 2025549 PMAQI
21st Oct 20255710 PMAQI
21st Oct 20256111 PMAQI
22nd Oct 20256212 AMAQI
22nd Oct 2025551 AMAQI
22nd Oct 2025542 AMAQI
22nd Oct 2025513 AMAQI
22nd Oct 2025484 AMAQI
22nd Oct 2025505 AMAQI
22nd Oct 2025496 AMAQI
18°C10/28°C
22nd Oct 2025427 AMAQI
22nd Oct 2025388 AMAQI
22nd Oct 2025389 AMAQI
22nd Oct 20253910 AMAQI
22nd Oct 20254011 AMAQI
22nd Oct 20253912 PMAQI
22nd Oct 2025341 PMAQI
22nd Oct 2025442 PMAQI
22nd Oct 2025453 PMAQI
22nd Oct 2025434 PMAQI
22nd Oct 2025425 PMAQI
22nd Oct 2025376 PMAQI
22nd Oct 2025347 PMAQI
22nd Oct 2025428 PMAQI
22nd Oct 2025489 PMAQI
22nd Oct 20254810 PMAQI
22nd Oct 20254711 PMAQI
23rd Oct 20254812 AMAQI
23rd Oct 2025471 AMAQI
23rd Oct 2025452 AMAQI
23rd Oct 2025453 AMAQI
23rd Oct 2025444 AMAQI
23rd Oct 2025325 AMAQI
23rd Oct 2025346 AMAQI
17°C13/24°C
23rd Oct 2025407 AMAQI
7 AM23rd Oct 2025388 AMAQI
23rd Oct 2025409 AMAQI
23rd Oct 20254610 AMAQI
23rd Oct 20254611 AMAQI
12 PM
6 PM
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 12 PM
42AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
8 AM - 9 AM
37AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 12 PM (Avg. 42), while the lowest AQI was between 8 AM to 9 AM (Avg. 37).
Night time
Avg. Highest Time
1 AM - 2 AM
49AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
8 PM - 9 PM
37AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 2 AM (Avg. 49), while the lowest AQI was between 8 PM to 9 PM (Avg. 37).
2025 Days Vs Air Quality
August, California, United States
2025
90%
266
10%
29
Total number of days with different AQI categories in last 296 days in 2025 (69 days remaining)
Good
266 DaysModerate
29 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 296 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
August, California, United States
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
92AQI
92AQI
2nd January 2025
65AQI
65AQI
3rd January 2025
59AQI
59AQI
4th January 2025
36AQI
36AQI
5th January 2025
46AQI
46AQI
6th January 2025
48AQI
48AQI
7th January 2025
23AQI
23AQI
8th January 2025
38AQI
38AQI
9th January 2025
58AQI
58AQI
10th January 2025
62AQI
62AQI
11th January 2025
42AQI
42AQI
12th January 2025
24AQI
24AQI
13th January 2025
37AQI
37AQI
14th January 2025
43AQI
43AQI
15th January 2025
58AQI
58AQI
16th January 2025
61AQI
61AQI
17th January 2025
56AQI
56AQI
18th January 2025
55AQI
55AQI
19th January 2025
67AQI
67AQI
20th January 2025
43AQI
43AQI
21st January 2025
53AQI
53AQI
22nd January 2025
56AQI
56AQI
23rd January 2025
65AQI
65AQI
24th January 2025
71AQI
71AQI
25th January 2025
59AQI
59AQI
26th January 2025
38AQI
38AQI
27th January 2025
33AQI
33AQI
28th January 2025
52AQI
52AQI
29th January 2025
54AQI
54AQI
30th January 2025
50AQI
50AQI
31st January 2025
58AQI
58AQI
1st February 2025
59AQI
59AQI
2nd February 2025
27AQI
27AQI
3rd February 2025
21AQI
21AQI
4th February 2025
19AQI
19AQI
5th February 2025
22AQI
22AQI
6th February 2025
29AQI
29AQI
7th February 2025
22AQI
22AQI
8th February 2025
25AQI
25AQI
9th February 2025
23AQI
23AQI
10th February 2025
28AQI
28AQI
11th February 2025
33AQI
33AQI
12th February 2025
29AQI
29AQI
13th February 2025
25AQI
25AQI
14th February 2025
25AQI
25AQI
15th February 2025
26AQI
26AQI
16th February 2025
39AQI
39AQI
17th February 2025
27AQI
27AQI
18th February 2025
27AQI
27AQI
19th February 2025
31AQI
31AQI
20th February 2025
27AQI
27AQI
21st February 2025
36AQI
36AQI
22nd February 2025
47AQI
47AQI
23rd February 2025
36AQI
36AQI
24th February 2025
26AQI
26AQI
25th February 2025
24AQI
24AQI
26th February 2025
38AQI
38AQI
27th February 2025
43AQI
43AQI
28th February 2025
48AQI
48AQI
1st March 2025
35AQI
35AQI
2nd March 2025
23AQI
23AQI
3rd March 2025
21AQI
21AQI
4th March 2025
22AQI
22AQI
5th March 2025
24AQI
24AQI
6th March 2025
23AQI
23AQI
7th March 2025
30AQI
30AQI
8th March 2025
33AQI
33AQI
9th March 2025
39AQI
39AQI
10th March 2025
31AQI
31AQI
11th March 2025
27AQI
27AQI
12th March 2025
25AQI
25AQI
13th March 2025
19AQI
19AQI
14th March 2025
22AQI
22AQI
15th March 2025
48AQI
48AQI
16th March 2025
43AQI
43AQI
17th March 2025
18AQI
18AQI
18th March 2025
19AQI
19AQI
19th March 2025
24AQI
24AQI
20th March 2025
17AQI
17AQI
21st March 2025
24AQI
24AQI
22nd March 2025
22AQI
22AQI
23rd March 2025
29AQI
29AQI
24th March 2025
29AQI
29AQI
25th March 2025
43AQI
43AQI
26th March 2025
35AQI
35AQI
27th March 2025
24AQI
24AQI
28th March 2025
26AQI
26AQI
29th March 2025
19AQI
19AQI
30th March 2025
27AQI
27AQI
31st March 2025
25AQI
25AQI
1st April 2025
25AQI
25AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
25AQI
25AQI
4th April 2025
24AQI
24AQI
5th April 2025
24AQI
24AQI
6th April 2025
28AQI
28AQI
7th April 2025
17AQI
17AQI
8th April 2025
16AQI
16AQI
9th April 2025
25AQI
25AQI
10th April 2025
28AQI
28AQI
11th April 2025
23AQI
23AQI
12th April 2025
34AQI
34AQI
13th April 2025
40AQI
40AQI
14th April 2025
33AQI
33AQI
15th April 2025
34AQI
34AQI
16th April 2025
35AQI
35AQI
17th April 2025
24AQI
24AQI
18th April 2025
32AQI
32AQI
19th April 2025
38AQI
38AQI
20th April 2025
33AQI
33AQI
21st April 2025
40AQI
40AQI
22nd April 2025
40AQI
40AQI
23rd April 2025
51AQI
51AQI
24th April 2025
44AQI
44AQI
25th April 2025
24AQI
24AQI
26th April 2025
18AQI
18AQI
27th April 2025
25AQI
25AQI
28th April 2025
34AQI
34AQI
29th April 2025
41AQI
41AQI
30th April 2025
42AQI
42AQI
1st May 2025
45AQI
45AQI
2nd May 2025
35AQI
35AQI
3rd May 2025
24AQI
24AQI
4th May 2025
34AQI
34AQI
5th May 2025
36AQI
36AQI
6th May 2025
37AQI
37AQI
7th May 2025
50AQI
50AQI
8th May 2025
39AQI
39AQI
9th May 2025
40AQI
40AQI
10th May 2025
30AQI
30AQI
11th May 2025
28AQI
28AQI
12th May 2025
19AQI
19AQI
13th May 2025
19AQI
19AQI
14th May 2025
29AQI
29AQI
15th May 2025
36AQI
36AQI
16th May 2025
42AQI
42AQI
17th May 2025
32AQI
32AQI
18th May 2025
32AQI
32AQI
19th May 2025
32AQI
32AQI
20th May 2025
24AQI
24AQI
21st May 2025
36AQI
36AQI
22nd May 2025
35AQI
35AQI
23rd May 2025
27AQI
27AQI
24th May 2025
38AQI
38AQI
25th May 2025
26AQI
26AQI
26th May 2025
20AQI
20AQI
27th May 2025
33AQI
33AQI
28th May 2025
32AQI
32AQI
29th May 2025
25AQI
25AQI
30th May 2025
36AQI
36AQI
31st May 2025
46AQI
46AQI
1st June 2025
49AQI
49AQI
2nd June 2025
53AQI
53AQI
3rd June 2025
38AQI
38AQI
4th June 2025
49AQI
49AQI
5th June 2025
39AQI
39AQI
6th June 2025
25AQI
25AQI
7th June 2025
28AQI
28AQI
8th June 2025
23AQI
23AQI
9th June 2025
24AQI
24AQI
10th June 2025
27AQI
27AQI
11th June 2025
47AQI
47AQI
12th June 2025
51AQI
51AQI
13th June 2025
48AQI
48AQI
14th June 2025
46AQI
46AQI
15th June 2025
48AQI
48AQI
16th June 2025
46AQI
46AQI
17th June 2025
42AQI
42AQI
18th June 2025
40AQI
40AQI
19th June 2025
47AQI
47AQI
20th June 2025
46AQI
46AQI
21st June 2025
39AQI
39AQI
22nd June 2025
33AQI
33AQI
23rd June 2025
37AQI
37AQI
24th June 2025
28AQI
28AQI
25th June 2025
25AQI
25AQI
26th June 2025
29AQI
29AQI
27th June 2025
36AQI
36AQI
28th June 2025
39AQI
39AQI
29th June 2025
31AQI
31AQI
30th June 2025
27AQI
27AQI
1st July 2025
26AQI
26AQI
2nd July 2025
27AQI
27AQI
3rd July 2025
41AQI
41AQI
4th July 2025
34AQI
34AQI
5th July 2025
43AQI
43AQI
6th July 2025
31AQI
31AQI
7th July 2025
25AQI
25AQI
8th July 2025
21AQI
21AQI
9th July 2025
19AQI
19AQI
10th July 2025
32AQI
32AQI
11th July 2025
46AQI
46AQI
12th July 2025
48AQI
48AQI
13th July 2025
32AQI
32AQI
14th July 2025
23AQI
23AQI
15th July 2025
22AQI
22AQI
16th July 2025
23AQI
23AQI
17th July 2025
19AQI
19AQI
18th July 2025
20AQI
20AQI
19th July 2025
21AQI
21AQI
20th July 2025
21AQI
21AQI
21st July 2025
27AQI
27AQI
22nd July 2025
17AQI
17AQI
23rd July 2025
16AQI
16AQI
24th July 2025
16AQI
16AQI
25th July 2025
15AQI
15AQI
26th July 2025
16AQI
16AQI
27th July 2025
16AQI
16AQI
28th July 2025
20AQI
20AQI
29th July 2025
26AQI
26AQI
30th July 2025
26AQI
26AQI
31st July 2025
25AQI
25AQI
1st August 2025
29AQI
29AQI
2nd August 2025
24AQI
24AQI
3rd August 2025
32AQI
32AQI
4th August 2025
36AQI
36AQI
5th August 2025
27AQI
27AQI
6th August 2025
34AQI
34AQI
7th August 2025
27AQI
27AQI
8th August 2025
33AQI
33AQI
9th August 2025
37AQI
37AQI
10th August 2025
29AQI
29AQI
11th August 2025
25AQI
25AQI
12th August 2025
27AQI
27AQI
13th August 2025
22AQI
22AQI
14th August 2025
19AQI
19AQI
15th August 2025
38AQI
38AQI
16th August 2025
17AQI
17AQI
17th August 2025
15AQI
15AQI
18th August 2025
18AQI
18AQI
19th August 2025
24AQI
24AQI
20th August 2025
31AQI
31AQI
21st August 2025
40AQI
40AQI
22nd August 2025
54AQI
54AQI
23rd August 2025
35AQI
35AQI
24th August 2025
27AQI
27AQI
25th August 2025
28AQI
28AQI
26th August 2025
31AQI
31AQI
27th August 2025
42AQI
42AQI
28th August 2025
35AQI
35AQI
29th August 2025
26AQI
26AQI
30th August 2025
28AQI
28AQI
31st August 2025
31AQI
31AQI
1st September 2025
27AQI
27AQI
2nd September 2025
40AQI
40AQI
3rd September 2025
27AQI
27AQI
4th September 2025
27AQI
27AQI
5th September 2025
25AQI
25AQI
6th September 2025
33AQI
33AQI
7th September 2025
25AQI
25AQI
8th September 2025
20AQI
20AQI
9th September 2025
16AQI
16AQI
10th September 2025
17AQI
17AQI
11th September 2025
29AQI
29AQI
12th September 2025
31AQI
31AQI
13th September 2025
34AQI
34AQI
14th September 2025
26AQI
26AQI
15th September 2025
26AQI
26AQI
16th September 2025
41AQI
41AQI
17th September 2025
37AQI
37AQI
18th September 2025
37AQI
37AQI
19th September 2025
39AQI
39AQI
20th September 2025
38AQI
38AQI
21st September 2025
31AQI
31AQI
22nd September 2025
34AQI
34AQI
23rd September 2025
42AQI
42AQI
24th September 2025
48AQI
48AQI
25th September 2025
33AQI
33AQI
26th September 2025
41AQI
41AQI
27th September 2025
53AQI
53AQI
28th September 2025
49AQI
49AQI
29th September 2025
42AQI
42AQI
30th September 2025
40AQI
40AQI
1st October 2025
27AQI
27AQI
2nd October 2025
25AQI
25AQI
3rd October 2025
34AQI
34AQI
4th October 2025
36AQI
36AQI
5th October 2025
41AQI
41AQI
6th October 2025
45AQI
45AQI
7th October 2025
43AQI
43AQI
8th October 2025
52AQI
52AQI
9th October 2025
47AQI
47AQI
10th October 2025
39AQI
39AQI
11th October 2025
30AQI
30AQI
12th October 2025
34AQI
34AQI
13th October 2025
39AQI
39AQI
14th October 2025
26AQI
26AQI
15th October 2025
31AQI
31AQI
16th October 2025
33AQI
33AQI
17th October 2025
51AQI
51AQI
18th October 2025
66AQI
66AQI
19th October 2025
59AQI
59AQI
20th October 2025
42AQI
42AQI
21st October 2025
58AQI
58AQI
22nd October 2025
47AQI
47AQI
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
52AQI
31AQI
27AQI
31AQI
33AQI
38AQI
26AQI
30AQI
34AQI
41AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202534AQI
13
18
27
1
31
29
1
31
28
2
31
30
1
29
1
17
5
266
29
Highest AQI recorded in
January52AQI
Lowest AQI recorded in
July26AQI
202439AQI
17
1
1
12
28
1
29
2
31
23
5
22
9
26
4
13
18
203
39
Highest AQI recorded in
December56AQI
Lowest AQI recorded in
April17AQI
202340AQI
1
2
22
9
23
11
Highest AQI recorded in
November52AQI
Lowest AQI recorded in
December39AQI
202159AQI
6
21
3
13
13
1
21
9
16
14
8
23
16
14
10
21
22
5
1
8
22
11
18
2
2
3
111
180
11
1
Highest AQI recorded in
August81AQI
Lowest AQI recorded in
March48AQI
202052AQI
13
17
18
28
1
28
1
14
9
6
10
11
5
3
1
13
14
3
13
17
5
22
2
159
75
13
6
1
Highest AQI recorded in
September83AQI
Lowest AQI recorded in
April25AQI
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2021(Avg.)
59AQILeast Polluted Year Recorded
2025(Avg.)
34AQIAugust's annual 2025 AQI (34) shows an average percentage change of -26.6% (improved AQI) compared to previous years: 2020 (52), 2021 (59), 2023 (40), 2024 (39).
