Oroville, 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
Oroville, California, United States
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
30th Oct 2022
78AQILowest AQI recorded on
6th Oct 2025
11AQISame Day Analysis (25th October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 29 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 25th Oct - 26th Oct 2025
Oroville, California, United States
AQI
Day
Night
.
7 AM25th Oct 2025
6 PM
6 AM26th Oct 2025
Day time
Avg. Highest Time
7AM25th Oct
28AQI
Avg. Lowest Time
11AM25th Oct
14AQI
Night time
Avg. Highest Time
6AM26th Oct
28AQI
Avg. Lowest Time
9PM25th Oct
14AQI
In the last 24 hours,
Oroville's AQI reached its highest point of 28 at 7 AM during the Day, while the lowest point, 14, was recorded at 9 PM during the Night between 25th Oct and 26th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Oroville, California, United States
SepOct
26th - 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 - 24th24th - 25th25th - 26th26th
Day
Night
26th Sep 2025237 AMAQI
26th Sep 2025288 AMAQI
26th Sep 2025369 AMAQI
26th Sep 20253710 AMAQI
26th Sep 20254011 AMAQI
26th Sep 20255412 PMAQI
26th Sep 2025521 PMAQI
26th Sep 2025472 PMAQI
26th Sep 2025533 PMAQI
26th Sep 2025544 PMAQI
26th Sep 2025515 PMAQI
26th Sep 2025476 PMAQI
26th Sep 2025407 PMAQI
26th Sep 2025368 PMAQI
26th Sep 2025389 PMAQI
26th Sep 20254210 PMAQI
26th Sep 20255011 PMAQI
27th Sep 20255112 AMAQI
27th Sep 2025491 AMAQI
27th Sep 2025502 AMAQI
27th Sep 2025463 AMAQI
27th Sep 2025484 AMAQI
27th Sep 2025425 AMAQI
27th Sep 2025416 AMAQI
25°C16/38°C
27th Sep 2025427 AMAQI
27th Sep 2025438 AMAQI
27th Sep 2025549 AMAQI
27th Sep 20255110 AMAQI
27th Sep 20254411 AMAQI
27th Sep 20255312 PMAQI
27th Sep 2025571 PMAQI
27th Sep 2025522 PMAQI
27th Sep 2025463 PMAQI
27th Sep 2025504 PMAQI
27th Sep 2025525 PMAQI
27th Sep 2025506 PMAQI
27th Sep 2025507 PMAQI
27th Sep 2025488 PMAQI
27th Sep 2025399 PMAQI
27th Sep 20255010 PMAQI
27th Sep 20254811 PMAQI
28th Sep 20254212 AMAQI
28th Sep 2025391 AMAQI
28th Sep 2025332 AMAQI
28th Sep 2025353 AMAQI
28th Sep 2025374 AMAQI
28th Sep 2025365 AMAQI
28th Sep 2025336 AMAQI
26°C18/35°C
28th Sep 2025337 AMAQI
28th Sep 2025338 AMAQI
28th Sep 2025329 AMAQI
28th Sep 20252410 AMAQI
28th Sep 20253211 AMAQI
28th Sep 20254012 PMAQI
28th Sep 2025511 PMAQI
28th Sep 2025452 PMAQI
28th Sep 2025403 PMAQI
28th Sep 2025344 PMAQI
28th Sep 2025425 PMAQI
28th Sep 2025356 PMAQI
28th Sep 2025387 PMAQI
28th Sep 2025598 PMAQI
28th Sep 2025579 PMAQI
28th Sep 20255110 PMAQI
28th Sep 20255011 PMAQI
29th Sep 20255212 AMAQI
29th Sep 2025511 AMAQI
29th Sep 2025452 AMAQI
29th Sep 2025403 AMAQI
29th Sep 2025344 AMAQI
29th Sep 2025385 AMAQI
29th Sep 2025436 AMAQI
20°C16/25°C
29th Sep 2025387 AMAQI
29th Sep 2025328 AMAQI
29th Sep 2025259 AMAQI
29th Sep 20252710 AMAQI
29th Sep 20253411 AMAQI
29th Sep 20253012 PMAQI
29th Sep 2025321 PMAQI
29th Sep 2025332 PMAQI
29th Sep 2025253 PMAQI
29th Sep 2025224 PMAQI
29th Sep 2025305 PMAQI
29th Sep 2025306 PMAQI
29th Sep 2025417 PMAQI
29th Sep 2025568 PMAQI
29th Sep 2025439 PMAQI
29th Sep 20254010 PMAQI
29th Sep 20254611 PMAQI
30th Sep 20255012 AMAQI
30th Sep 2025431 AMAQI
30th Sep 2025462 AMAQI
30th Sep 2025393 AMAQI
30th Sep 2025264 AMAQI
30th Sep 2025265 AMAQI
30th Sep 2025336 AMAQI
20°C18/25°C
30th Sep 2025317 AMAQI
30th Sep 2025338 AMAQI
30th Sep 2025209 AMAQI
30th Sep 20251810 AMAQI
30th Sep 20252411 AMAQI
30th Sep 20253112 PMAQI
30th Sep 2025321 PMAQI
30th Sep 2025262 PMAQI
30th Sep 2025243 PMAQI
30th Sep 2025334 PMAQI
30th Sep 2025285 PMAQI
30th Sep 2025406 PMAQI
30th Sep 2025307 PMAQI
30th Sep 2025298 PMAQI
30th Sep 2025259 PMAQI
30th Sep 20252610 PMAQI
30th Sep 20252811 PMAQI
1st Oct 20252812 AMAQI
1st Oct 2025321 AMAQI
1st Oct 2025332 AMAQI
1st Oct 2025333 AMAQI
1st Oct 2025264 AMAQI
1st Oct 2025235 AMAQI
1st Oct 2025206 AMAQI
20°C17/26°C
1st Oct 2025207 AMAQI
1st Oct 2025128 AMAQI
1st Oct 202579 AMAQI
1st Oct 2025610 AMAQI
1st Oct 2025611 AMAQI
1st Oct 2025612 PMAQI
1st Oct 202561 PMAQI
1st Oct 202572 PMAQI
1st Oct 202583 PMAQI
1st Oct 202584 PMAQI
1st Oct 2025115 PMAQI
1st Oct 2025126 PMAQI
1st Oct 2025117 PMAQI
1st Oct 2025128 PMAQI
1st Oct 2025149 PMAQI
1st Oct 20251210 PMAQI
1st Oct 20251611 PMAQI
2nd Oct 20252612 AMAQI
2nd Oct 2025661 AMAQI
2nd Oct 2025662 AMAQI
2nd Oct 2025553 AMAQI
2nd Oct 2025374 AMAQI
2nd Oct 2025385 AMAQI
2nd Oct 2025276 AMAQI
19°C16/23°C
2nd Oct 2025207 AMAQI
2nd Oct 2025358 AMAQI
2nd Oct 2025399 AMAQI
2nd Oct 20252110 AMAQI
2nd Oct 20251411 AMAQI
2nd Oct 20251212 PMAQI
2nd Oct 2025101 PMAQI
2nd Oct 202592 PMAQI
2nd Oct 2025183 PMAQI
2nd Oct 2025264 PMAQI
2nd Oct 202585 PMAQI
2nd Oct 2025146 PMAQI
2nd Oct 2025377 PMAQI
2nd Oct 2025328 PMAQI
2nd Oct 2025129 PMAQI
2nd Oct 20253410 PMAQI
2nd Oct 20253511 PMAQI
3rd Oct 20253412 AMAQI
3rd Oct 2025361 AMAQI
3rd Oct 2025132 AMAQI
3rd Oct 2025123 AMAQI
3rd Oct 2025114 AMAQI
3rd Oct 2025135 AMAQI
3rd Oct 2025276 AMAQI
18°C14/24°C
3rd Oct 2025537 AMAQI
3rd Oct 2025408 AMAQI
3rd Oct 202589 AMAQI
3rd Oct 2025910 AMAQI
3rd Oct 2025911 AMAQI
3rd Oct 20251112 PMAQI
3rd Oct 2025101 PMAQI
3rd Oct 202572 PMAQI
3rd Oct 202583 PMAQI
3rd Oct 2025154 PMAQI
3rd Oct 202565 PMAQI
3rd Oct 202596 PMAQI
3rd Oct 2025107 PMAQI
3rd Oct 202588 PMAQI
3rd Oct 2025119 PMAQI
3rd Oct 20251510 PMAQI
3rd Oct 20252511 PMAQI
4th Oct 20255412 AMAQI
4th Oct 2025621 AMAQI
4th Oct 2025612 AMAQI
4th Oct 2025433 AMAQI
4th Oct 2025404 AMAQI
4th Oct 2025435 AMAQI
4th Oct 2025306 AMAQI
17°C14/24°C
4th Oct 202587 AMAQI
4th Oct 202598 AMAQI
4th Oct 2025139 AMAQI
4th Oct 20252510 AMAQI
4th Oct 20254711 AMAQI
4th Oct 20254012 PMAQI
4th Oct 2025201 PMAQI
4th Oct 2025122 PMAQI
4th Oct 2025113 PMAQI
4th Oct 2025114 PMAQI
4th Oct 202575 PMAQI
4th Oct 202586 PMAQI
4th Oct 2025177 PMAQI
4th Oct 2025288 PMAQI
4th Oct 2025179 PMAQI
4th Oct 20253810 PMAQI
4th Oct 20256711 PMAQI
5th Oct 20254612 AMAQI
5th Oct 2025481 AMAQI
5th Oct 2025502 AMAQI
5th Oct 2025523 AMAQI
5th Oct 2025544 AMAQI
5th Oct 2025515 AMAQI
5th Oct 2025456 AMAQI
19°C11/28°C
5th Oct 2025487 AMAQI
5th Oct 2025118 AMAQI
5th Oct 2025269 AMAQI
5th Oct 20255010 AMAQI
5th Oct 20254411 AMAQI
5th Oct 20255112 PMAQI
5th Oct 2025501 PMAQI
5th Oct 2025532 PMAQI
5th Oct 2025123 PMAQI
5th Oct 2025144 PMAQI
5th Oct 2025105 PMAQI
5th Oct 2025126 PMAQI
5th Oct 2025127 PMAQI
5th Oct 2025118 PMAQI
5th Oct 2025149 PMAQI
5th Oct 20251510 PMAQI
5th Oct 20251511 PMAQI
6th Oct 20251412 AMAQI
6th Oct 2025131 AMAQI
6th Oct 2025102 AMAQI
6th Oct 2025103 AMAQI
6th Oct 202564 AMAQI
6th Oct 2025105 AMAQI
6th Oct 202576 AMAQI
20°C12/29°C
6th Oct 202577 AMAQI
6th Oct 2025118 AMAQI
6th Oct 2025399 AMAQI
6th Oct 20254310 AMAQI
7th Oct 2025434 AMAQI
7th Oct 2025125 AMAQI
7th Oct 2025126 AMAQI
22°C13/32°C
7th Oct 2025127 AMAQI
7th Oct 2025158 AMAQI
7th Oct 2025169 AMAQI
7th Oct 20252510 AMAQI
7th Oct 20254011 AMAQI
7th Oct 20254512 PMAQI
7th Oct 2025391 PMAQI
7th Oct 2025332 PMAQI
7th Oct 2025423 PMAQI
7th Oct 2025354 PMAQI
7th Oct 2025475 PMAQI
7th Oct 2025606 PMAQI
7th Oct 2025667 PMAQI
7th Oct 2025478 PMAQI
7th Oct 2025329 PMAQI
7th Oct 20255610 PMAQI
7th Oct 20255811 PMAQI
8th Oct 20255812 AMAQI
8th Oct 2025571 AMAQI
8th Oct 2025502 AMAQI
8th Oct 2025453 AMAQI
8th Oct 2025534 AMAQI
8th Oct 2025565 AMAQI
8th Oct 2025366 AMAQI
23°C14/34°C
8th Oct 2025427 AMAQI
8th Oct 2025448 AMAQI
8th Oct 2025519 AMAQI
8th Oct 20254610 AMAQI
8th Oct 20254511 AMAQI
8th Oct 20254712 PMAQI
8th Oct 2025481 PMAQI
8th Oct 2025542 PMAQI
8th Oct 2025563 PMAQI
8th Oct 2025544 PMAQI
8th Oct 2025535 PMAQI
8th Oct 2025596 PMAQI
8th Oct 2025587 PMAQI
8th Oct 2025608 PMAQI
8th Oct 2025559 PMAQI
8th Oct 20255410 PMAQI
8th Oct 20255111 PMAQI
9th Oct 20254712 AMAQI
9th Oct 2025501 AMAQI
9th Oct 2025402 AMAQI
9th Oct 2025493 AMAQI
9th Oct 2025414 AMAQI
9th Oct 2025465 AMAQI
9th Oct 2025446 AMAQI
21°C12/31°C
9th Oct 2025427 AMAQI
9th Oct 2025398 AMAQI
9th Oct 2025399 AMAQI
9th Oct 20254410 AMAQI
9th Oct 20254511 AMAQI
9th Oct 20254512 PMAQI
9th Oct 2025381 PMAQI
9th Oct 2025342 PMAQI
9th Oct 2025413 PMAQI
9th Oct 2025374 PMAQI
9th Oct 2025455 PMAQI
9th Oct 2025496 PMAQI
9th Oct 2025467 PMAQI
9th Oct 2025288 PMAQI
9th Oct 2025559 PMAQI
9th Oct 20255210 PMAQI
9th Oct 20255211 PMAQI
10th Oct 20255112 AMAQI
10th Oct 2025541 AMAQI
10th Oct 2025502 AMAQI
10th Oct 2025383 AMAQI
10th Oct 2025494 AMAQI
10th Oct 2025445 AMAQI
10th Oct 2025446 AMAQI
19°C14/25°C
10th Oct 2025467 AMAQI
10th Oct 2025438 AMAQI
10th Oct 2025429 AMAQI
10th Oct 20254610 AMAQI
10th Oct 20254211 AMAQI
10th Oct 20254012 PMAQI
10th Oct 2025381 PMAQI
10th Oct 2025542 PMAQI
10th Oct 2025503 PMAQI
10th Oct 2025494 PMAQI
10th Oct 2025885 PMAQI
10th Oct 2025776 PMAQI
10th Oct 2025567 PMAQI
10th Oct 2025528 PMAQI
10th Oct 2025299 PMAQI
10th Oct 20255310 PMAQI
10th Oct 20254011 PMAQI
11th Oct 20254012 AMAQI
11th Oct 2025151 AMAQI
11th Oct 2025132 AMAQI
11th Oct 202593 AMAQI
11th Oct 202574 AMAQI
11th Oct 202565 AMAQI
11th Oct 202566 AMAQI
19°C15/25°C
11th Oct 2025187 AMAQI
11th Oct 2025278 AMAQI
11th Oct 2025149 AMAQI
11th Oct 20251910 AMAQI
11th Oct 20251911 AMAQI
11th Oct 20253012 PMAQI
11th Oct 2025171 PMAQI
11th Oct 2025142 PMAQI
11th Oct 2025123 PMAQI
11th Oct 2025124 PMAQI
11th Oct 2025165 PMAQI
11th Oct 2025166 PMAQI
11th Oct 2025207 PMAQI
11th Oct 2025268 PMAQI
11th Oct 2025269 PMAQI
11th Oct 20253210 PMAQI
11th Oct 20257611 PMAQI
12th Oct 20257912 AMAQI
12th Oct 2025701 AMAQI
12th Oct 2025662 AMAQI
12th Oct 2025663 AMAQI
12th Oct 2025594 AMAQI
12th Oct 2025515 AMAQI
12th Oct 2025406 AMAQI
16°C10/25°C
12th Oct 2025417 AMAQI
12th Oct 2025338 AMAQI
12th Oct 2025109 AMAQI
12th Oct 20251710 AMAQI
12th Oct 20251811 AMAQI
12th Oct 20251812 PMAQI
12th Oct 2025201 PMAQI
12th Oct 2025202 PMAQI
12th Oct 2025223 PMAQI
12th Oct 2025234 PMAQI
12th Oct 2025215 PMAQI
12th Oct 2025236 PMAQI
12th Oct 2025197 PMAQI
12th Oct 2025228 PMAQI
12th Oct 2025309 PMAQI
12th Oct 20255310 PMAQI
12th Oct 20255311 PMAQI
13th Oct 20253712 AMAQI
13th Oct 2025161 AMAQI
13th Oct 2025142 AMAQI
13th Oct 2025133 AMAQI
13th Oct 202584 AMAQI
13th Oct 202585 AMAQI
13th Oct 2025106 AMAQI
17°C8/27°C
13th Oct 2025137 AMAQI
13th Oct 2025158 AMAQI
13th Oct 2025189 AMAQI
13th Oct 20252810 AMAQI
13th Oct 20254611 AMAQI
13th Oct 20255012 PMAQI
13th Oct 2025421 PMAQI
13th Oct 2025482 PMAQI
13th Oct 2025433 PMAQI
13th Oct 2025454 PMAQI
13th Oct 2025475 PMAQI
13th Oct 2025486 PMAQI
13th Oct 2025287 PMAQI
13th Oct 2025168 PMAQI
13th Oct 2025399 PMAQI
13th Oct 20254610 PMAQI
13th Oct 2025711 PMAQI
14th Oct 20251212 AMAQI
14th Oct 2025221 AMAQI
14th Oct 2025342 AMAQI
14th Oct 2025353 AMAQI
14th Oct 202564 AMAQI
14th Oct 202565 AMAQI
14th Oct 202566 AMAQI
14°C10/20°C
14th Oct 2025127 AMAQI
14th Oct 2025408 AMAQI
14th Oct 2025409 AMAQI
14th Oct 20253810 AMAQI
14th Oct 20253911 AMAQI
14th Oct 20255012 PMAQI
14th Oct 2025511 PMAQI
14th Oct 2025452 PMAQI
14th Oct 2025333 PMAQI
14th Oct 2025314 PMAQI
14th Oct 2025225 PMAQI
14th Oct 2025286 PMAQI
14th Oct 2025277 PMAQI
14th Oct 2025288 PMAQI
14th Oct 2025289 PMAQI
14th Oct 20252710 PMAQI
14th Oct 20252611 PMAQI
15th Oct 20252712 AMAQI
15th Oct 2025281 AMAQI
15th Oct 2025202 AMAQI
15th Oct 202583 AMAQI
15th Oct 202594 AMAQI
15th Oct 202585 AMAQI
15th Oct 202566 AMAQI
12°C11/16°C
15th Oct 2025157 AMAQI
15th Oct 2025178 AMAQI
15th Oct 2025129 AMAQI
15th Oct 20251010 AMAQI
15th Oct 20252011 AMAQI
15th Oct 20252312 PMAQI
15th Oct 202581 PMAQI
15th Oct 202572 PMAQI
15th Oct 2025113 PMAQI
15th Oct 2025114 PMAQI
15th Oct 202595 PMAQI
15th Oct 2025166 PMAQI
15th Oct 2025167 PMAQI
15th Oct 202568 PMAQI
15th Oct 202579 PMAQI
15th Oct 20252210 PMAQI
15th Oct 20252011 PMAQI
16th Oct 20254412 AMAQI
16th Oct 2025361 AMAQI
16th Oct 2025412 AMAQI
16th Oct 2025443 AMAQI
16th Oct 2025484 AMAQI
16th Oct 2025485 AMAQI
16th Oct 2025496 AMAQI
14°C11/20°C
16th Oct 2025497 AMAQI
16th Oct 2025568 AMAQI
16th Oct 2025559 AMAQI
16th Oct 20254410 AMAQI
16th Oct 20254111 AMAQI
16th Oct 20254812 PMAQI
16th Oct 2025371 PMAQI
16th Oct 2025182 PMAQI
16th Oct 2025113 PMAQI
16th Oct 2025164 PMAQI
16th Oct 2025115 PMAQI
16th Oct 2025256 PMAQI
16th Oct 2025427 PMAQI
16th Oct 2025438 PMAQI
16th Oct 2025489 PMAQI
16th Oct 20255210 PMAQI
16th Oct 20254311 PMAQI
17th Oct 20254112 AMAQI
17th Oct 2025411 AMAQI
17th Oct 2025542 AMAQI
17th Oct 2025523 AMAQI
17th Oct 2025474 AMAQI
17th Oct 2025465 AMAQI
17th Oct 2025436 AMAQI
13°C7/23°C
17th Oct 2025457 AMAQI
17th Oct 2025268 AMAQI
17th Oct 2025519 AMAQI
17th Oct 20255110 AMAQI
17th Oct 20255211 AMAQI
17th Oct 20254212 PMAQI
17th Oct 2025551 PMAQI
17th Oct 2025602 PMAQI
17th Oct 2025563 PMAQI
17th Oct 2025524 PMAQI
17th Oct 2025595 PMAQI
17th Oct 2025576 PMAQI
17th Oct 2025507 PMAQI
17th Oct 2025508 PMAQI
17th Oct 2025589 PMAQI
17th Oct 20255610 PMAQI
17th Oct 20255111 PMAQI
18th Oct 20255812 AMAQI
18th Oct 2025591 AMAQI
18th Oct 2025582 AMAQI
18th Oct 2025573 AMAQI
18th Oct 2025574 AMAQI
18th Oct 2025555 AMAQI
18th Oct 2025536 AMAQI
17°C10/27°C
18th Oct 2025537 AMAQI
18th Oct 2025538 AMAQI
18th Oct 2025459 AMAQI
18th Oct 20254810 AMAQI
18th Oct 20255011 AMAQI
18th Oct 20256012 PMAQI
18th Oct 2025571 PMAQI
18th Oct 2025542 PMAQI
18th Oct 2025533 PMAQI
18th Oct 2025444 PMAQI
18th Oct 2025395 PMAQI
18th Oct 2025416 PMAQI
18th Oct 2025437 PMAQI
18th Oct 2025448 PMAQI
18th Oct 2025439 PMAQI
18th Oct 20255210 PMAQI
18th Oct 20256211 PMAQI
19th Oct 20256512 AMAQI
19th Oct 2025631 AMAQI
19th Oct 2025542 AMAQI
19th Oct 2025573 AMAQI
19th Oct 2025614 AMAQI
19th Oct 2025565 AMAQI
19th Oct 2025546 AMAQI
18°C9/28°C
19th Oct 2025537 AMAQI
19th Oct 2025518 AMAQI
19th Oct 2025489 AMAQI
19th Oct 20252310 AMAQI
19th Oct 20252211 AMAQI
19th Oct 20255212 PMAQI
19th Oct 2025541 PMAQI
19th Oct 2025562 PMAQI
19th Oct 2025563 PMAQI
19th Oct 2025394 PMAQI
19th Oct 2025545 PMAQI
19th Oct 2025546 PMAQI
19th Oct 2025427 PMAQI
19th Oct 2025598 PMAQI
19th Oct 2025589 PMAQI
19th Oct 20255410 PMAQI
19th Oct 20255511 PMAQI
20th Oct 20255612 AMAQI
20th Oct 2025571 AMAQI
20th Oct 2025552 AMAQI
20th Oct 2025543 AMAQI
20th Oct 2025344 AMAQI
20th Oct 2025145 AMAQI
20th Oct 2025206 AMAQI
20°C12/29°C
20th Oct 2025237 AMAQI
20th Oct 2025398 AMAQI
20th Oct 2025399 AMAQI
20th Oct 20251310 AMAQI
20th Oct 20251311 AMAQI
20th Oct 20251412 PMAQI
20th Oct 2025131 PMAQI
20th Oct 2025142 PMAQI
20th Oct 2025293 PMAQI
20th Oct 2025204 PMAQI
20th Oct 2025215 PMAQI
20th Oct 2025196 PMAQI
20th Oct 2025267 PMAQI
20th Oct 2025188 PMAQI
20th Oct 2025259 PMAQI
20th Oct 20253210 PMAQI
20th Oct 20254611 PMAQI
21st Oct 20255612 AMAQI
21st Oct 2025571 AMAQI
21st Oct 2025552 AMAQI
21st Oct 2025423 AMAQI
21st Oct 2025224 AMAQI
21st Oct 2025405 AMAQI
21st Oct 2025566 AMAQI
19°C12/29°C
21st Oct 2025247 AMAQI
21st Oct 2025238 AMAQI
21st Oct 2025249 AMAQI
21st Oct 20252210 AMAQI
21st Oct 20252211 AMAQI
21st Oct 20252312 PMAQI
21st Oct 2025231 PMAQI
21st Oct 2025262 PMAQI
21st Oct 2025313 PMAQI
21st Oct 2025314 PMAQI
21st Oct 2025285 PMAQI
21st Oct 2025266 PMAQI
21st Oct 2025317 PMAQI
21st Oct 2025268 PMAQI
21st Oct 2025389 PMAQI
21st Oct 20255610 PMAQI
21st Oct 20255911 PMAQI
22nd Oct 20255512 AMAQI
22nd Oct 2025491 AMAQI
22nd Oct 2025572 AMAQI
22nd Oct 2025573 AMAQI
22nd Oct 2025544 AMAQI
22nd Oct 2025495 AMAQI
22nd Oct 2025506 AMAQI
19°C9/30°C
22nd Oct 2025517 AMAQI
22nd Oct 2025508 AMAQI
22nd Oct 2025489 AMAQI
22nd Oct 20254910 AMAQI
22nd Oct 20255311 AMAQI
22nd Oct 20255512 PMAQI
22nd Oct 2025511 PMAQI
22nd Oct 2025442 PMAQI
22nd Oct 2025333 PMAQI
22nd Oct 2025434 PMAQI
22nd Oct 2025445 PMAQI
22nd Oct 2025336 PMAQI
22nd Oct 2025387 PMAQI
22nd Oct 2025468 PMAQI
22nd Oct 2025489 PMAQI
22nd Oct 20254710 PMAQI
22nd Oct 20254311 PMAQI
23rd Oct 20253812 AMAQI
23rd Oct 2025311 AMAQI
23rd Oct 2025302 AMAQI
23rd Oct 2025303 AMAQI
23rd Oct 2025304 AMAQI
23rd Oct 2025365 AMAQI
23rd Oct 2025406 AMAQI
17°C12/25°C
23rd Oct 2025367 AMAQI
23rd Oct 2025328 AMAQI
23rd Oct 2025329 AMAQI
23rd Oct 20253010 AMAQI
23rd Oct 20252811 AMAQI
23rd Oct 20252812 PMAQI
23rd Oct 2025361 PMAQI
23rd Oct 2025432 PMAQI
23rd Oct 2025503 PMAQI
23rd Oct 2025554 PMAQI
23rd Oct 2025515 PMAQI
23rd Oct 2025486 PMAQI
23rd Oct 2025487 PMAQI
23rd Oct 2025528 PMAQI
23rd Oct 2025599 PMAQI
23rd Oct 20256010 PMAQI
23rd Oct 20256411 PMAQI
24th Oct 20257612 AMAQI
24th Oct 2025751 AMAQI
24th Oct 2025702 AMAQI
24th Oct 2025663 AMAQI
24th Oct 2025644 AMAQI
24th Oct 2025665 AMAQI
24th Oct 2025636 AMAQI
15°C8/26°C
24th Oct 2025617 AMAQI
24th Oct 2025598 AMAQI
24th Oct 2025599 AMAQI
24th Oct 20255910 AMAQI
24th Oct 20255711 AMAQI
24th Oct 20255612 PMAQI
24th Oct 2025581 PMAQI
24th Oct 2025612 PMAQI
24th Oct 2025573 PMAQI
24th Oct 2025524 PMAQI
24th Oct 2025525 PMAQI
24th Oct 2025576 PMAQI
24th Oct 2025577 PMAQI
24th Oct 2025548 PMAQI
24th Oct 2025519 PMAQI
24th Oct 20254810 PMAQI
24th Oct 20254711 PMAQI
25th Oct 20254812 AMAQI
25th Oct 2025511 AMAQI
25th Oct 2025432 AMAQI
25th Oct 2025443 AMAQI
25th Oct 2025434 AMAQI
25th Oct 2025395 AMAQI
25th Oct 2025326 AMAQI
17°C11/25°C
25th Oct 2025287 AMAQI
25th Oct 2025288 AMAQI
25th Oct 2025239 AMAQI
25th Oct 20251410 AMAQI
25th Oct 20251411 AMAQI
25th Oct 20251712 PMAQI
25th Oct 2025221 PMAQI
25th Oct 2025242 PMAQI
25th Oct 2025153 PMAQI
25th Oct 2025174 PMAQI
25th Oct 2025285 PMAQI
25th Oct 2025286 PMAQI
25th Oct 2025207 PMAQI
25th Oct 2025148 PMAQI
25th Oct 2025149 PMAQI
25th Oct 20252010 PMAQI
25th Oct 20252011 PMAQI
26th Oct 20251912 AMAQI
26th Oct 2025221 AMAQI
26th Oct 2025192 AMAQI
26th Oct 2025163 AMAQI
26th Oct 2025204 AMAQI
26th Oct 2025185 AMAQI
26th Oct 2025286 AMAQI
16°C15/20°C
26th Oct 2025387 AMAQI
7 AM26th Oct 2025298 AMAQI
26th Oct 2025229 AMAQI
26th Oct 20252210 AMAQI
26th Oct 20252211 AMAQI
26th Oct 20252012 PMAQI
12 PM26th Oct 2025221 PMAQI
26th Oct 2025252 PMAQI
26th Oct 2025263 PMAQI
26th Oct 2025284 PMAQI
6 PM
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
12 PM - 2 PM
35AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
10 AM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 2 PM (Avg. 35), while the lowest AQI was between 10 AM to 10 AM (Avg. 31).
Night time
Avg. Highest Time
12 AM - 1 AM
45AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
6 AM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 45), while the lowest AQI was between 6 AM to 6 AM (Avg. 33).
2025 Days Vs Air Quality
Oroville, California, United States
2025
95%
283
5%
15
Total number of days with different AQI categories in last 299 days in 2025 (66 days remaining)
Good
283 DaysModerate
15 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 299 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
Oroville, 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
56AQI
56AQI
2nd January 2025
40AQI
40AQI
3rd January 2025
39AQI
39AQI
4th January 2025
24AQI
24AQI
5th January 2025
30AQI
30AQI
6th January 2025
28AQI
28AQI
7th January 2025
25AQI
25AQI
8th January 2025
26AQI
26AQI
9th January 2025
30AQI
30AQI
10th January 2025
38AQI
38AQI
11th January 2025
32AQI
32AQI
12th January 2025
27AQI
27AQI
13th January 2025
25AQI
25AQI
14th January 2025
27AQI
27AQI
15th January 2025
42AQI
42AQI
16th January 2025
43AQI
43AQI
17th January 2025
46AQI
46AQI
18th January 2025
49AQI
49AQI
19th January 2025
51AQI
51AQI
20th January 2025
37AQI
37AQI
21st January 2025
37AQI
37AQI
22nd January 2025
42AQI
42AQI
23rd January 2025
54AQI
54AQI
24th January 2025
55AQI
55AQI
25th January 2025
39AQI
39AQI
26th January 2025
33AQI
33AQI
27th January 2025
28AQI
28AQI
28th January 2025
48AQI
48AQI
29th January 2025
58AQI
58AQI
30th January 2025
68AQI
68AQI
31st January 2025
55AQI
55AQI
1st February 2025
37AQI
37AQI
2nd February 2025
23AQI
23AQI
3rd February 2025
22AQI
22AQI
4th February 2025
21AQI
21AQI
5th February 2025
26AQI
26AQI
6th February 2025
30AQI
30AQI
7th February 2025
25AQI
25AQI
8th February 2025
26AQI
26AQI
9th February 2025
28AQI
28AQI
10th February 2025
27AQI
27AQI
11th February 2025
34AQI
34AQI
12th February 2025
40AQI
40AQI
13th February 2025
28AQI
28AQI
14th February 2025
25AQI
25AQI
15th February 2025
26AQI
26AQI
16th February 2025
31AQI
31AQI
17th February 2025
27AQI
27AQI
18th February 2025
28AQI
28AQI
19th February 2025
27AQI
27AQI
20th February 2025
26AQI
26AQI
21st February 2025
24AQI
24AQI
22nd February 2025
41AQI
41AQI
23rd February 2025
32AQI
32AQI
24th February 2025
31AQI
31AQI
25th February 2025
24AQI
24AQI
26th February 2025
25AQI
25AQI
27th February 2025
30AQI
30AQI
28th February 2025
29AQI
29AQI
1st March 2025
29AQI
29AQI
2nd March 2025
24AQI
24AQI
3rd March 2025
21AQI
21AQI
4th March 2025
22AQI
22AQI
5th March 2025
24AQI
24AQI
6th March 2025
23AQI
23AQI
7th March 2025
26AQI
26AQI
8th March 2025
28AQI
28AQI
9th March 2025
33AQI
33AQI
10th March 2025
31AQI
31AQI
11th March 2025
30AQI
30AQI
12th March 2025
25AQI
25AQI
13th March 2025
20AQI
20AQI
14th March 2025
18AQI
18AQI
15th March 2025
31AQI
31AQI
16th March 2025
33AQI
33AQI
17th March 2025
15AQI
15AQI
18th March 2025
17AQI
17AQI
19th March 2025
20AQI
20AQI
20th March 2025
16AQI
16AQI
21st March 2025
19AQI
19AQI
22nd March 2025
20AQI
20AQI
23rd March 2025
19AQI
19AQI
24th March 2025
23AQI
23AQI
25th March 2025
28AQI
28AQI
26th March 2025
30AQI
30AQI
27th March 2025
17AQI
17AQI
28th March 2025
21AQI
21AQI
29th March 2025
17AQI
17AQI
30th March 2025
26AQI
26AQI
31st March 2025
20AQI
20AQI
1st April 2025
17AQI
17AQI
2nd April 2025
18AQI
18AQI
3rd April 2025
21AQI
21AQI
4th April 2025
23AQI
23AQI
5th April 2025
22AQI
22AQI
6th April 2025
27AQI
27AQI
7th April 2025
15AQI
15AQI
8th April 2025
15AQI
15AQI
9th April 2025
20AQI
20AQI
10th April 2025
23AQI
23AQI
11th April 2025
26AQI
26AQI
12th April 2025
24AQI
24AQI
13th April 2025
26AQI
26AQI
14th April 2025
23AQI
23AQI
15th April 2025
37AQI
37AQI
16th April 2025
36AQI
36AQI
17th April 2025
27AQI
27AQI
18th April 2025
29AQI
29AQI
19th April 2025
28AQI
28AQI
20th April 2025
33AQI
33AQI
21st April 2025
29AQI
29AQI
22nd April 2025
33AQI
33AQI
23rd April 2025
42AQI
42AQI
24th April 2025
47AQI
47AQI
25th April 2025
28AQI
28AQI
26th April 2025
27AQI
27AQI
27th April 2025
21AQI
21AQI
28th April 2025
21AQI
21AQI
29th April 2025
29AQI
29AQI
30th April 2025
33AQI
33AQI
1st May 2025
23AQI
23AQI
2nd May 2025
34AQI
34AQI
3rd May 2025
22AQI
22AQI
4th May 2025
23AQI
23AQI
5th May 2025
24AQI
24AQI
6th May 2025
23AQI
23AQI
7th May 2025
41AQI
41AQI
8th May 2025
40AQI
40AQI
9th May 2025
37AQI
37AQI
10th May 2025
31AQI
31AQI
11th May 2025
29AQI
29AQI
12th May 2025
18AQI
18AQI
13th May 2025
15AQI
15AQI
14th May 2025
18AQI
18AQI
15th May 2025
22AQI
22AQI
16th May 2025
24AQI
24AQI
17th May 2025
25AQI
25AQI
18th May 2025
21AQI
21AQI
19th May 2025
19AQI
19AQI
20th May 2025
17AQI
17AQI
21st May 2025
21AQI
21AQI
22nd May 2025
25AQI
25AQI
23rd May 2025
22AQI
22AQI
24th May 2025
31AQI
31AQI
25th May 2025
28AQI
28AQI
26th May 2025
18AQI
18AQI
27th May 2025
25AQI
25AQI
28th May 2025
33AQI
33AQI
29th May 2025
31AQI
31AQI
30th May 2025
36AQI
36AQI
31st May 2025
39AQI
39AQI
1st June 2025
38AQI
38AQI
2nd June 2025
44AQI
44AQI
3rd June 2025
41AQI
41AQI
4th June 2025
38AQI
38AQI
5th June 2025
41AQI
41AQI
6th June 2025
35AQI
35AQI
7th June 2025
38AQI
38AQI
8th June 2025
30AQI
30AQI
9th June 2025
32AQI
32AQI
10th June 2025
34AQI
34AQI
11th June 2025
41AQI
41AQI
12th June 2025
48AQI
48AQI
13th June 2025
49AQI
49AQI
14th June 2025
41AQI
41AQI
15th June 2025
36AQI
36AQI
16th June 2025
37AQI
37AQI
17th June 2025
38AQI
38AQI
18th June 2025
34AQI
34AQI
19th June 2025
32AQI
32AQI
20th June 2025
40AQI
40AQI
21st June 2025
22AQI
22AQI
22nd June 2025
18AQI
18AQI
23rd June 2025
21AQI
21AQI
24th June 2025
26AQI
26AQI
25th June 2025
28AQI
28AQI
26th June 2025
31AQI
31AQI
27th June 2025
36AQI
36AQI
28th June 2025
34AQI
34AQI
29th June 2025
36AQI
36AQI
30th June 2025
33AQI
33AQI
1st July 2025
34AQI
34AQI
2nd July 2025
35AQI
35AQI
3rd July 2025
42AQI
42AQI
4th July 2025
33AQI
33AQI
5th July 2025
53AQI
53AQI
6th July 2025
35AQI
35AQI
7th July 2025
29AQI
29AQI
8th July 2025
29AQI
29AQI
9th July 2025
25AQI
25AQI
10th July 2025
40AQI
40AQI
11th July 2025
59AQI
59AQI
12th July 2025
59AQI
59AQI
13th July 2025
50AQI
50AQI
14th July 2025
42AQI
42AQI
15th July 2025
38AQI
38AQI
16th July 2025
32AQI
32AQI
17th July 2025
28AQI
28AQI
18th July 2025
28AQI
28AQI
19th July 2025
32AQI
32AQI
20th July 2025
26AQI
26AQI
21st July 2025
30AQI
30AQI
22nd July 2025
21AQI
21AQI
23rd July 2025
21AQI
21AQI
24th July 2025
22AQI
22AQI
25th July 2025
22AQI
22AQI
26th July 2025
20AQI
20AQI
27th July 2025
20AQI
20AQI
28th July 2025
25AQI
25AQI
29th July 2025
31AQI
31AQI
30th July 2025
33AQI
33AQI
31st July 2025
35AQI
35AQI
1st August 2025
37AQI
37AQI
2nd August 2025
34AQI
34AQI
3rd August 2025
33AQI
33AQI
4th August 2025
38AQI
38AQI
5th August 2025
34AQI
34AQI
6th August 2025
35AQI
35AQI
7th August 2025
33AQI
33AQI
8th August 2025
33AQI
33AQI
9th August 2025
40AQI
40AQI
10th August 2025
37AQI
37AQI
11th August 2025
40AQI
40AQI
12th August 2025
43AQI
43AQI
13th August 2025
39AQI
39AQI
14th August 2025
26AQI
26AQI
15th August 2025
39AQI
39AQI
16th August 2025
25AQI
25AQI
17th August 2025
18AQI
18AQI
18th August 2025
23AQI
23AQI
19th August 2025
28AQI
28AQI
20th August 2025
28AQI
28AQI
21st August 2025
33AQI
33AQI
22nd August 2025
43AQI
43AQI
23rd August 2025
52AQI
52AQI
24th August 2025
46AQI
46AQI
25th August 2025
38AQI
38AQI
26th August 2025
44AQI
44AQI
27th August 2025
47AQI
47AQI
28th August 2025
43AQI
43AQI
29th August 2025
38AQI
38AQI
30th August 2025
37AQI
37AQI
31st August 2025
35AQI
35AQI
1st September 2025
31AQI
31AQI
2nd September 2025
46AQI
46AQI
3rd September 2025
46AQI
46AQI
4th September 2025
40AQI
40AQI
5th September 2025
35AQI
35AQI
6th September 2025
39AQI
39AQI
7th September 2025
32AQI
32AQI
8th September 2025
27AQI
27AQI
9th September 2025
18AQI
18AQI
10th September 2025
20AQI
20AQI
11th September 2025
24AQI
24AQI
12th September 2025
33AQI
33AQI
13th September 2025
39AQI
39AQI
14th September 2025
32AQI
32AQI
15th September 2025
31AQI
31AQI
16th September 2025
39AQI
39AQI
17th September 2025
43AQI
43AQI
18th September 2025
45AQI
45AQI
19th September 2025
44AQI
44AQI
20th September 2025
50AQI
50AQI
21st September 2025
41AQI
41AQI
22nd September 2025
37AQI
37AQI
23rd September 2025
37AQI
37AQI
24th September 2025
48AQI
48AQI
25th September 2025
34AQI
34AQI
26th September 2025
41AQI
41AQI
27th September 2025
48AQI
48AQI
28th September 2025
40AQI
40AQI
29th September 2025
38AQI
38AQI
30th September 2025
31AQI
31AQI
1st October 2025
17AQI
17AQI
2nd October 2025
33AQI
33AQI
3rd October 2025
17AQI
17AQI
4th October 2025
34AQI
34AQI
5th October 2025
39AQI
39AQI
6th October 2025
11AQI
11AQI
7th October 2025
38AQI
38AQI
8th October 2025
52AQI
52AQI
9th October 2025
45AQI
45AQI
10th October 2025
50AQI
50AQI
11th October 2025
21AQI
21AQI
12th October 2025
41AQI
41AQI
13th October 2025
27AQI
27AQI
14th October 2025
28AQI
28AQI
15th October 2025
15AQI
15AQI
16th October 2025
40AQI
40AQI
17th October 2025
50AQI
50AQI
18th October 2025
52AQI
52AQI
19th October 2025
52AQI
52AQI
20th October 2025
33AQI
33AQI
21st October 2025
37AQI
37AQI
22nd October 2025
48AQI
48AQI
23rd October 2025
41AQI
41AQI
24th October 2025
60AQI
60AQI
25th October 2025
29AQI
29AQI
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
40AQI
28AQI
23AQI
27AQI
26AQI
35AQI
33AQI
36AQI
37AQI
36AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202532AQI
24
7
28
31
30
31
30
28
3
30
1
30
21
4
283
15
Highest AQI recorded in
January40AQI
Lowest AQI recorded in
March23AQI
202435AQI
16
1
12
29
31
31
28
24
7
26
4
22
9
220
20
Highest AQI recorded in
October41AQI
Lowest AQI recorded in
March8AQI
202343AQI
3
19
12
19
15
Highest AQI recorded in
November60AQI
Lowest AQI recorded in
December41AQI
202245AQI
3
4
1
4
2
18
10
1
5
1
34
14
1
Highest AQI recorded in
November50AQI
Lowest AQI recorded in
December25AQI
202178AQI
1
5
1
1
1
9
13
6
3
4
5
14
23
7
4
1
Highest AQI recorded in
July106AQI
Lowest AQI recorded in
September47AQI
2020168AQI
1
3
10
5
4
5
3
1
2
4
10
6
6
5
3
Highest AQI recorded in
September173AQI
Lowest AQI recorded in
October126AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
168AQILeast Polluted Year Recorded
2025(Avg.)
32AQIOroville's annual 2025 AQI (32) shows an average percentage change of -40.03% (improved AQI) compared to previous years: 2020 (168), 2021 (78), 2022 (45), 2023 (43), 2024 (35).
