Country Background

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+

July Air Quality Analysis

Oroville, California, United States

2021
2022
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
31st Jul 2021
218AQI
Lowest AQI recorded on
1st Jul 2024
19AQI


Same Day Analysis (30th July ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 33 of Good air quality, showing improvement over 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 30th Jul - 31st Jul 2025

Oroville, California, United States

AQI
Day
Night
.

5 AM30th Jul 2025

8 PM

4 AM31st Jul 2025

Day time
Avg. Highest Time
11AM30th Jul

38AQI

Avg. Lowest Time
6AM30th Jul

29AQI

Night time
Avg. Highest Time
3AM31st Jul

35AQI

Avg. Lowest Time
5AM30th Jul

30AQI

In the last 24 hours,

Oroville's AQI reached its highest point of 38 at 11 AM during the Day, while the lowest point, 29, was recorded at 6 AM during the Day between 30th Jul and 31st Jul 2025.

Day & Night AQI Trend : Jul 2025

Oroville, California, United States

Jul
01st - 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 - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st
Day
Night
1st Jul 2025315 AMAQI
1st Jul 2025286 AMAQI
1st Jul 2025307 AMAQI
1st Jul 2025308 AMAQI
1st Jul 2025309 AMAQI
1st Jul 20253010 AMAQI
1st Jul 20253011 AMAQI
1st Jul 20253112 PMAQI
1st Jul 2025341 PMAQI
1st Jul 2025402 PMAQI
1st Jul 2025413 PMAQI
1st Jul 2025404 PMAQI
1st Jul 2025375 PMAQI
1st Jul 2025356 PMAQI
1st Jul 2025357 PMAQI
1st Jul 2025348 PMAQI
1st Jul 2025369 PMAQI
1st Jul 20253710 PMAQI
1st Jul 20253711 PMAQI
2nd Jul 20254012 AMAQI
2nd Jul 2025421 AMAQI
2nd Jul 2025422 AMAQI
2nd Jul 2025433 AMAQI
2nd Jul 2025394 AMAQI

30°C21/40°C

2nd Jul 2025385 AMAQI
2nd Jul 2025296 AMAQI
2nd Jul 2025287 AMAQI
2nd Jul 2025288 AMAQI
2nd Jul 2025289 AMAQI
2nd Jul 20252810 AMAQI
2nd Jul 20252811 AMAQI
2nd Jul 20253212 PMAQI
2nd Jul 2025401 PMAQI
2nd Jul 2025382 PMAQI
2nd Jul 2025343 PMAQI
2nd Jul 2025344 PMAQI
2nd Jul 2025345 PMAQI
2nd Jul 2025346 PMAQI
2nd Jul 2025347 PMAQI
2nd Jul 2025368 PMAQI
2nd Jul 2025369 PMAQI
2nd Jul 20253610 PMAQI
2nd Jul 20253611 PMAQI
3rd Jul 20253612 AMAQI
3rd Jul 2025361 AMAQI
3rd Jul 2025362 AMAQI
3rd Jul 2025363 AMAQI
3rd Jul 2025344 AMAQI

30°C20/40°C

3rd Jul 2025365 AMAQI
3rd Jul 2025426 AMAQI
3rd Jul 2025417 AMAQI
3rd Jul 2025398 AMAQI
3rd Jul 2025419 AMAQI
3rd Jul 20254410 AMAQI
3rd Jul 20254511 AMAQI
3rd Jul 20254412 PMAQI
3rd Jul 2025421 PMAQI
3rd Jul 2025472 PMAQI
3rd Jul 2025523 PMAQI
3rd Jul 2025474 PMAQI
3rd Jul 2025485 PMAQI
3rd Jul 2025456 PMAQI
3rd Jul 2025437 PMAQI
3rd Jul 2025448 PMAQI
3rd Jul 2025469 PMAQI
3rd Jul 20254010 PMAQI
3rd Jul 20254711 PMAQI
4th Jul 20254212 AMAQI
4th Jul 2025411 AMAQI
4th Jul 2025402 AMAQI
4th Jul 2025383 AMAQI
4th Jul 2025324 AMAQI

27°C19/35°C

4th Jul 2025285 AMAQI
4th Jul 2025286 AMAQI
4th Jul 2025327 AMAQI
4th Jul 2025308 AMAQI
4th Jul 2025329 AMAQI
4th Jul 20253410 AMAQI
4th Jul 20253211 AMAQI
4th Jul 20253212 PMAQI
4th Jul 2025351 PMAQI
4th Jul 2025352 PMAQI
4th Jul 2025343 PMAQI
4th Jul 2025324 PMAQI
4th Jul 2025305 PMAQI
4th Jul 2025306 PMAQI
4th Jul 2025357 PMAQI
4th Jul 2025308 PMAQI
4th Jul 2025289 PMAQI
4th Jul 20252810 PMAQI
4th Jul 20253011 PMAQI
5th Jul 20254112 AMAQI
5th Jul 2025541 AMAQI
5th Jul 2025562 AMAQI
5th Jul 2025583 AMAQI
5th Jul 2025644 AMAQI

24°C15/33°C

5th Jul 2025605 AMAQI
5th Jul 2025566 AMAQI
5th Jul 2025607 AMAQI
5th Jul 2025588 AMAQI
5th Jul 2025589 AMAQI
5th Jul 20255610 AMAQI
5th Jul 20256011 AMAQI
5th Jul 20255912 PMAQI
5th Jul 2025571 PMAQI
5th Jul 2025562 PMAQI
5th Jul 2025543 PMAQI
5th Jul 2025524 PMAQI
5th Jul 2025515 PMAQI
5th Jul 2025506 PMAQI
5th Jul 2025497 PMAQI
5th Jul 2025518 PMAQI
5th Jul 2025449 PMAQI
5th Jul 20254010 PMAQI
5th Jul 20254311 PMAQI
6th Jul 20254812 AMAQI
6th Jul 2025471 AMAQI
6th Jul 2025512 AMAQI
6th Jul 2025443 AMAQI
6th Jul 2025334 AMAQI

24°C14/34°C

6th Jul 2025325 AMAQI
6th Jul 2025256 AMAQI
6th Jul 2025307 AMAQI
6th Jul 2025308 AMAQI
6th Jul 2025309 AMAQI
6th Jul 20253010 AMAQI
6th Jul 20253211 AMAQI
6th Jul 20253512 PMAQI
6th Jul 2025371 PMAQI
6th Jul 2025362 PMAQI
6th Jul 2025353 PMAQI
6th Jul 2025354 PMAQI
6th Jul 2025335 PMAQI
6th Jul 2025336 PMAQI
6th Jul 2025357 PMAQI
6th Jul 2025358 PMAQI
6th Jul 2025319 PMAQI
6th Jul 20252910 PMAQI
6th Jul 20253011 PMAQI
7th Jul 20253012 AMAQI
7th Jul 2025311 AMAQI
7th Jul 2025302 AMAQI
7th Jul 2025303 AMAQI
7th Jul 2025244 AMAQI

27°C18/37°C

7th Jul 2025245 AMAQI
7th Jul 2025246 AMAQI
7th Jul 2025267 AMAQI
7th Jul 2025248 AMAQI
7th Jul 2025289 AMAQI
7th Jul 20252810 AMAQI
7th Jul 20253011 AMAQI
7th Jul 20253312 PMAQI
7th Jul 2025351 PMAQI
7th Jul 2025332 PMAQI
7th Jul 2025303 PMAQI
7th Jul 2025334 PMAQI
7th Jul 2025305 PMAQI
7th Jul 2025296 PMAQI
7th Jul 2025297 PMAQI
7th Jul 2025278 PMAQI
7th Jul 2025289 PMAQI
7th Jul 20252910 PMAQI
7th Jul 20253011 PMAQI
8th Jul 20253412 AMAQI
8th Jul 2025301 AMAQI
8th Jul 2025302 AMAQI
8th Jul 2025313 AMAQI
8th Jul 2025314 AMAQI

29°C20/39°C

8th Jul 2025285 AMAQI
8th Jul 2025296 AMAQI
8th Jul 2025287 AMAQI
8th Jul 2025298 AMAQI
8th Jul 2025289 AMAQI
8th Jul 20252710 AMAQI
8th Jul 20252611 AMAQI
8th Jul 20252712 PMAQI
8th Jul 2025271 PMAQI
8th Jul 2025312 PMAQI
8th Jul 2025323 PMAQI
8th Jul 2025304 PMAQI
8th Jul 2025295 PMAQI
8th Jul 2025306 PMAQI
8th Jul 2025307 PMAQI
8th Jul 2025298 PMAQI
8th Jul 2025289 PMAQI
8th Jul 20252810 PMAQI
8th Jul 20252711 PMAQI
9th Jul 20252512 AMAQI
9th Jul 2025271 AMAQI
9th Jul 2025262 AMAQI
9th Jul 2025223 AMAQI
9th Jul 2025214 AMAQI

26°C17/36°C

9th Jul 2025245 AMAQI
9th Jul 2025236 AMAQI
9th Jul 2025247 AMAQI
9th Jul 2025248 AMAQI
9th Jul 2025229 AMAQI
9th Jul 20252210 AMAQI
9th Jul 20252311 AMAQI
9th Jul 20252312 PMAQI
9th Jul 2025261 PMAQI
9th Jul 2025252 PMAQI
9th Jul 2025263 PMAQI
9th Jul 2025264 PMAQI
9th Jul 2025265 PMAQI
9th Jul 2025296 PMAQI
9th Jul 2025287 PMAQI
9th Jul 2025288 PMAQI
9th Jul 2025289 PMAQI
9th Jul 20252810 PMAQI
9th Jul 20252811 PMAQI
10th Jul 20252812 AMAQI
10th Jul 2025271 AMAQI
10th Jul 2025292 AMAQI
10th Jul 2025283 AMAQI
10th Jul 2025324 AMAQI

26°C16/36°C

10th Jul 2025305 AMAQI
10th Jul 2025326 AMAQI
10th Jul 2025327 AMAQI
10th Jul 2025328 AMAQI
10th Jul 2025409 AMAQI
10th Jul 20253810 AMAQI
10th Jul 20253911 AMAQI
10th Jul 20255412 PMAQI
10th Jul 2025461 PMAQI
10th Jul 2025532 PMAQI
10th Jul 2025543 PMAQI
10th Jul 2025534 PMAQI
10th Jul 2025505 PMAQI
10th Jul 2025546 PMAQI
10th Jul 2025407 PMAQI
10th Jul 2025388 PMAQI
10th Jul 2025519 PMAQI
10th Jul 20254910 PMAQI
10th Jul 20255111 PMAQI
11th Jul 20255012 AMAQI
11th Jul 2025521 AMAQI
11th Jul 2025542 AMAQI
11th Jul 2025523 AMAQI
11th Jul 2025624 AMAQI

31°C20/41°C

11th Jul 2025625 AMAQI
11th Jul 2025666 AMAQI
11th Jul 2025647 AMAQI
11th Jul 2025628 AMAQI
11th Jul 2025709 AMAQI
11th Jul 20256310 AMAQI
11th Jul 20256311 AMAQI
11th Jul 20256212 PMAQI
11th Jul 2025611 PMAQI
11th Jul 2025582 PMAQI
11th Jul 2025613 PMAQI
11th Jul 2025594 PMAQI
11th Jul 2025575 PMAQI
11th Jul 2025566 PMAQI
11th Jul 2025617 PMAQI
11th Jul 2025598 PMAQI
11th Jul 2025559 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025631 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025583 AMAQI
12th Jul 2025584 AMAQI

33°C24/42°C

12th Jul 2025595 AMAQI
12th Jul 2025686 AMAQI
12th Jul 2025597 AMAQI
12th Jul 2025588 AMAQI
12th Jul 2025569 AMAQI
12th Jul 20255810 AMAQI
12th Jul 20255911 AMAQI
12th Jul 20256012 PMAQI
12th Jul 2025581 PMAQI
12th Jul 2025602 PMAQI
12th Jul 2025593 PMAQI
12th Jul 2025594 PMAQI
12th Jul 2025595 PMAQI
12th Jul 2025606 PMAQI
12th Jul 2025607 PMAQI
12th Jul 2025588 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255910 PMAQI
12th Jul 20255811 PMAQI
13th Jul 20255712 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025602 AMAQI
13th Jul 2025563 AMAQI
13th Jul 2025544 AMAQI

32°C22/42°C

13th Jul 2025525 AMAQI
13th Jul 2025436 AMAQI
13th Jul 2025497 AMAQI
13th Jul 2025468 AMAQI
13th Jul 2025419 AMAQI
13th Jul 20254010 AMAQI
13th Jul 20254011 AMAQI
13th Jul 20253912 PMAQI
13th Jul 2025421 PMAQI
13th Jul 2025442 PMAQI
13th Jul 2025483 PMAQI
13th Jul 2025484 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025506 PMAQI
13th Jul 2025527 PMAQI
13th Jul 2025528 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255110 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025511 AMAQI
14th Jul 2025512 AMAQI
14th Jul 2025503 AMAQI
14th Jul 2025434 AMAQI

31°C18/42°C

14th Jul 2025365 AMAQI
14th Jul 2025316 AMAQI
14th Jul 2025347 AMAQI
14th Jul 2025328 AMAQI
14th Jul 2025319 AMAQI
14th Jul 20253110 AMAQI
14th Jul 20253311 AMAQI
14th Jul 20253812 PMAQI
14th Jul 2025451 PMAQI
14th Jul 2025422 PMAQI
14th Jul 2025383 PMAQI
14th Jul 2025424 PMAQI
14th Jul 2025435 PMAQI
14th Jul 2025426 PMAQI
14th Jul 2025467 PMAQI
14th Jul 2025458 PMAQI
14th Jul 2025429 PMAQI
14th Jul 20254210 PMAQI
14th Jul 20254211 PMAQI
15th Jul 20254412 AMAQI
15th Jul 2025421 AMAQI
15th Jul 2025462 AMAQI
15th Jul 2025443 AMAQI
15th Jul 2025394 AMAQI

31°C19/42°C

15th Jul 2025325 AMAQI
15th Jul 2025306 AMAQI
15th Jul 2025327 AMAQI
15th Jul 2025328 AMAQI
15th Jul 2025299 AMAQI
15th Jul 20253110 AMAQI
15th Jul 20253111 AMAQI
15th Jul 20253112 PMAQI
15th Jul 2025341 PMAQI
15th Jul 2025362 PMAQI
15th Jul 2025383 PMAQI
15th Jul 2025384 PMAQI
15th Jul 2025385 PMAQI
15th Jul 2025386 PMAQI
15th Jul 2025407 PMAQI
15th Jul 2025398 PMAQI
15th Jul 2025409 PMAQI
15th Jul 20254110 PMAQI
15th Jul 20254211 PMAQI
16th Jul 20253912 AMAQI
16th Jul 2025381 AMAQI
16th Jul 2025362 AMAQI
16th Jul 2025323 AMAQI
16th Jul 2025284 AMAQI

28°C19/38°C

16th Jul 2025265 AMAQI
16th Jul 2025256 AMAQI
16th Jul 2025287 AMAQI
16th Jul 2025278 AMAQI
16th Jul 2025269 AMAQI
16th Jul 20252810 AMAQI
16th Jul 20253011 AMAQI
16th Jul 20253012 PMAQI
16th Jul 2025331 PMAQI
16th Jul 2025332 PMAQI
16th Jul 2025343 PMAQI
16th Jul 2025354 PMAQI
16th Jul 2025345 PMAQI
16th Jul 2025366 PMAQI
16th Jul 2025357 PMAQI
16th Jul 2025358 PMAQI
16th Jul 2025349 PMAQI
16th Jul 20253410 PMAQI
16th Jul 20253311 PMAQI
17th Jul 20253312 AMAQI
17th Jul 2025331 AMAQI
17th Jul 2025302 AMAQI
17th Jul 2025293 AMAQI
17th Jul 2025234 AMAQI

26°C15/36°C

17th Jul 2025225 AMAQI
17th Jul 2025226 AMAQI
17th Jul 2025227 AMAQI
17th Jul 2025228 AMAQI
17th Jul 2025229 AMAQI
17th Jul 20252410 AMAQI
17th Jul 20252411 AMAQI
17th Jul 20252412 PMAQI
17th Jul 2025271 PMAQI
17th Jul 2025312 PMAQI
17th Jul 2025303 PMAQI
17th Jul 2025344 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025326 PMAQI
17th Jul 2025307 PMAQI
17th Jul 2025298 PMAQI
17th Jul 2025319 PMAQI
17th Jul 20253010 PMAQI
17th Jul 20253111 PMAQI
18th Jul 20253212 AMAQI
18th Jul 2025311 AMAQI
18th Jul 2025282 AMAQI
18th Jul 2025283 AMAQI
18th Jul 2025274 AMAQI

26°C14/37°C

18th Jul 2025265 AMAQI
18th Jul 2025256 AMAQI
18th Jul 2025237 AMAQI
18th Jul 2025238 AMAQI
18th Jul 2025239 AMAQI
18th Jul 20252310 AMAQI
18th Jul 20252411 AMAQI
18th Jul 20252612 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025313 PMAQI
18th Jul 2025314 PMAQI
18th Jul 2025325 PMAQI
18th Jul 2025336 PMAQI
18th Jul 2025277 PMAQI
18th Jul 2025268 PMAQI
18th Jul 2025339 PMAQI
18th Jul 20253110 PMAQI
18th Jul 20253211 PMAQI
19th Jul 20253212 AMAQI
19th Jul 2025321 AMAQI
19th Jul 2025342 AMAQI
19th Jul 2025313 AMAQI
19th Jul 2025364 AMAQI

28°C17/38°C

19th Jul 2025325 AMAQI
19th Jul 2025306 AMAQI
19th Jul 2025307 AMAQI
19th Jul 2025298 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20253210 AMAQI
19th Jul 20253111 AMAQI
19th Jul 20253112 PMAQI
19th Jul 2025331 PMAQI
19th Jul 2025332 PMAQI
19th Jul 2025353 PMAQI
19th Jul 2025354 PMAQI
19th Jul 2025335 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025327 PMAQI
19th Jul 2025338 PMAQI
19th Jul 2025319 PMAQI
19th Jul 20253010 PMAQI
19th Jul 20253111 PMAQI
20th Jul 20253012 AMAQI
20th Jul 2025301 AMAQI
20th Jul 2025302 AMAQI
20th Jul 2025303 AMAQI
20th Jul 2025244 AMAQI

28°C17/39°C

20th Jul 2025245 AMAQI
20th Jul 2025246 AMAQI
20th Jul 2025267 AMAQI
20th Jul 2025248 AMAQI
20th Jul 2025229 AMAQI
20th Jul 20252310 AMAQI
20th Jul 20252311 AMAQI
20th Jul 20252612 PMAQI
20th Jul 2025241 PMAQI
20th Jul 2025242 PMAQI
20th Jul 2025263 PMAQI
20th Jul 2025254 PMAQI
20th Jul 2025265 PMAQI
20th Jul 2025296 PMAQI
20th Jul 2025267 PMAQI
20th Jul 2025268 PMAQI
20th Jul 2025279 PMAQI
20th Jul 20252810 PMAQI
20th Jul 20252811 PMAQI
21st Jul 20252612 AMAQI
21st Jul 2025271 AMAQI
21st Jul 2025302 AMAQI
21st Jul 2025313 AMAQI
21st Jul 2025354 AMAQI

27°C17/38°C

21st Jul 2025325 AMAQI
21st Jul 2025326 AMAQI
21st Jul 2025307 AMAQI
21st Jul 2025318 AMAQI
21st Jul 2025329 AMAQI
21st Jul 20253110 AMAQI
21st Jul 20253111 AMAQI
21st Jul 20253212 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025322 PMAQI
21st Jul 2025313 PMAQI
21st Jul 2025314 PMAQI
21st Jul 2025315 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025307 PMAQI
21st Jul 2025298 PMAQI
21st Jul 2025269 PMAQI
21st Jul 20252410 PMAQI
21st Jul 20252611 PMAQI
22nd Jul 20252712 AMAQI
22nd Jul 2025251 AMAQI
22nd Jul 2025252 AMAQI
22nd Jul 2025243 AMAQI
22nd Jul 2025204 AMAQI

23°C15/32°C

22nd Jul 2025175 AMAQI
22nd Jul 2025166 AMAQI
22nd Jul 2025167 AMAQI
22nd Jul 2025168 AMAQI
22nd Jul 2025189 AMAQI
22nd Jul 20251810 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20251712 PMAQI
22nd Jul 2025181 PMAQI
22nd Jul 2025222 PMAQI
22nd Jul 2025223 PMAQI
22nd Jul 2025204 PMAQI
22nd Jul 2025225 PMAQI
22nd Jul 2025226 PMAQI
22nd Jul 2025227 PMAQI
22nd Jul 2025208 PMAQI
22nd Jul 2025229 PMAQI
22nd Jul 20252010 PMAQI
22nd Jul 20252311 PMAQI
23rd Jul 20252312 AMAQI
23rd Jul 2025241 AMAQI
23rd Jul 2025232 AMAQI
23rd Jul 2025223 AMAQI
23rd Jul 2025204 AMAQI

23°C14/32°C

23rd Jul 2025185 AMAQI
23rd Jul 2025166 AMAQI
23rd Jul 2025167 AMAQI
23rd Jul 2025168 AMAQI
23rd Jul 2025169 AMAQI
23rd Jul 20251910 AMAQI
23rd Jul 20252011 AMAQI
23rd Jul 20252012 PMAQI
23rd Jul 2025201 PMAQI
23rd Jul 2025202 PMAQI
23rd Jul 2025223 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025215 PMAQI
23rd Jul 2025226 PMAQI
23rd Jul 2025217 PMAQI
23rd Jul 2025228 PMAQI
23rd Jul 2025239 PMAQI
23rd Jul 20252410 PMAQI
23rd Jul 20252411 PMAQI
24th Jul 20252412 AMAQI
24th Jul 2025221 AMAQI
24th Jul 2025222 AMAQI
24th Jul 2025193 AMAQI
24th Jul 2025164 AMAQI

23°C14/34°C

24th Jul 2025185 AMAQI
24th Jul 2025186 AMAQI
24th Jul 2025197 AMAQI
24th Jul 2025188 AMAQI
24th Jul 2025169 AMAQI
24th Jul 20252210 AMAQI
24th Jul 20253111 AMAQI
24th Jul 20253512 PMAQI
24th Jul 2025261 PMAQI
24th Jul 2025222 PMAQI
24th Jul 2025223 PMAQI
24th Jul 2025214 PMAQI
24th Jul 2025225 PMAQI
24th Jul 2025216 PMAQI
24th Jul 2025227 PMAQI
24th Jul 2025238 PMAQI
24th Jul 2025219 PMAQI
24th Jul 20252210 PMAQI
24th Jul 20252111 PMAQI
25th Jul 20252012 AMAQI
25th Jul 2025201 AMAQI
25th Jul 2025202 AMAQI
25th Jul 2025193 AMAQI
25th Jul 2025194 AMAQI

25°C15/35°C

25th Jul 2025245 AMAQI
25th Jul 2025226 AMAQI
25th Jul 2025207 AMAQI
25th Jul 2025218 AMAQI
25th Jul 2025199 AMAQI
25th Jul 20252210 AMAQI
25th Jul 20252211 AMAQI
25th Jul 20252412 PMAQI
25th Jul 2025191 PMAQI
25th Jul 2025202 PMAQI
25th Jul 2025233 PMAQI
25th Jul 2025274 PMAQI
25th Jul 2025235 PMAQI
25th Jul 2025236 PMAQI
25th Jul 2025217 PMAQI
25th Jul 2025238 PMAQI
25th Jul 2025249 PMAQI
25th Jul 20252310 PMAQI
25th Jul 20252211 PMAQI
26th Jul 20252212 AMAQI
26th Jul 2025231 AMAQI
26th Jul 2025212 AMAQI
26th Jul 2025213 AMAQI
26th Jul 2025174 AMAQI

25°C15/35°C

26th Jul 2025165 AMAQI
26th Jul 2025186 AMAQI
26th Jul 2025167 AMAQI
26th Jul 2025178 AMAQI
26th Jul 2025169 AMAQI
26th Jul 20251810 AMAQI
26th Jul 20251811 AMAQI
26th Jul 20251812 PMAQI
26th Jul 2025221 PMAQI
26th Jul 2025202 PMAQI
26th Jul 2025203 PMAQI
26th Jul 2025214 PMAQI
26th Jul 2025195 PMAQI
26th Jul 2025206 PMAQI
26th Jul 2025217 PMAQI
26th Jul 2025218 PMAQI
26th Jul 2025219 PMAQI
26th Jul 20252010 PMAQI
26th Jul 20251911 PMAQI
27th Jul 20252012 AMAQI
27th Jul 2025211 AMAQI
27th Jul 2025222 AMAQI
27th Jul 2025203 AMAQI
27th Jul 2025184 AMAQI

24°C13/33°C

27th Jul 2025225 AMAQI
27th Jul 2025206 AMAQI
27th Jul 2025187 AMAQI
27th Jul 2025198 AMAQI
27th Jul 2025189 AMAQI
27th Jul 20251910 AMAQI
27th Jul 20251911 AMAQI
27th Jul 20252012 PMAQI
27th Jul 2025201 PMAQI
27th Jul 2025192 PMAQI
27th Jul 2025203 PMAQI
27th Jul 2025194 PMAQI
27th Jul 2025205 PMAQI
27th Jul 2025196 PMAQI
27th Jul 2025207 PMAQI
27th Jul 2025208 PMAQI
27th Jul 2025219 PMAQI
27th Jul 20252010 PMAQI
27th Jul 20252011 PMAQI
28th Jul 20252012 AMAQI
28th Jul 2025221 AMAQI
28th Jul 2025222 AMAQI
28th Jul 2025223 AMAQI
28th Jul 2025224 AMAQI

25°C14/35°C

28th Jul 2025215 AMAQI
28th Jul 2025196 AMAQI
28th Jul 2025217 AMAQI
28th Jul 2025218 AMAQI
28th Jul 2025219 AMAQI
28th Jul 20252510 AMAQI
28th Jul 20252811 AMAQI
28th Jul 20252912 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025292 PMAQI
28th Jul 2025273 PMAQI
28th Jul 2025334 PMAQI
28th Jul 2025315 PMAQI
28th Jul 2025336 PMAQI
28th Jul 2025247 PMAQI
28th Jul 2025248 PMAQI
28th Jul 2025279 PMAQI
28th Jul 20252610 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20252812 AMAQI
29th Jul 2025301 AMAQI
29th Jul 2025292 AMAQI
29th Jul 2025283 AMAQI
29th Jul 2025304 AMAQI

27°C16/37°C

29th Jul 2025295 AMAQI
29th Jul 2025306 AMAQI
29th Jul 2025287 AMAQI
29th Jul 2025278 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20252910 AMAQI
29th Jul 20253111 AMAQI
29th Jul 20253712 PMAQI
29th Jul 2025391 PMAQI
29th Jul 2025322 PMAQI
29th Jul 2025313 PMAQI
29th Jul 2025314 PMAQI
29th Jul 2025315 PMAQI
29th Jul 2025306 PMAQI
29th Jul 2025317 PMAQI
29th Jul 2025318 PMAQI
29th Jul 2025309 PMAQI
29th Jul 20253110 PMAQI
29th Jul 20253311 PMAQI
30th Jul 20253212 AMAQI
30th Jul 2025321 AMAQI
30th Jul 2025322 AMAQI
30th Jul 2025323 AMAQI
30th Jul 2025324 AMAQI

29°C20/38°C

30th Jul 2025305 AMAQI
30th Jul 2025296 AMAQI
30th Jul 2025317 AMAQI
30th Jul 2025328 AMAQI
30th Jul 2025329 AMAQI
30th Jul 20253310 AMAQI
30th Jul 20253811 AMAQI
30th Jul 20253612 PMAQI
30th Jul 2025341 PMAQI
30th Jul 2025342 PMAQI
30th Jul 2025343 PMAQI
30th Jul 2025344 PMAQI
30th Jul 2025345 PMAQI
30th Jul 2025346 PMAQI
30th Jul 2025347 PMAQI
30th Jul 2025348 PMAQI
30th Jul 2025349 PMAQI
30th Jul 20253310 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20253212 AMAQI
31st Jul 2025331 AMAQI
31st Jul 2025342 AMAQI
31st Jul 2025353 AMAQI
31st Jul 2025324 AMAQI

27°C17/38°C

31st Jul 2025305 AMAQI
5 AM
31st Jul 2025336 AMAQI
12 PM
8 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
12 PM - 8 PM

34AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
5 AM - 11 AM

31AQI

7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 8 PM (Avg. 34), while the lowest AQI was between 5 AM to 11 AM (Avg. 31).
Night time
Avg. Highest Time
12 AM - 3 AM

35AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
4 AM

32AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 35), while the lowest AQI was between 4 AM to 4 AM (Avg. 32).

2025 Days Vs Air Quality

Oroville, California, United States

2025

95%

201

5%

10

Total number of days with different AQI categories in last 212 days in 2025 (153 days remaining)

Good
201 Days
Moderate
10 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 95%

Health Risk Level:

Very Low

In 2025, 95% of 212 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.

1st January 2025
56AQI
2nd January 2025
40AQI
3rd January 2025
39AQI
4th January 2025
24AQI
5th January 2025
30AQI
6th January 2025
28AQI
7th January 2025
25AQI
8th January 2025
26AQI
9th January 2025
30AQI
10th January 2025
38AQI
11th January 2025
32AQI
12th January 2025
27AQI
13th January 2025
25AQI
14th January 2025
27AQI
15th January 2025
42AQI
16th January 2025
43AQI
17th January 2025
46AQI
18th January 2025
49AQI
19th January 2025
51AQI
20th January 2025
37AQI
21st January 2025
37AQI
22nd January 2025
42AQI
23rd January 2025
54AQI
24th January 2025
55AQI
25th January 2025
39AQI
26th January 2025
33AQI
27th January 2025
28AQI
28th January 2025
48AQI
29th January 2025
58AQI
30th January 2025
68AQI
31st January 2025
55AQI
1st February 2025
37AQI
2nd February 2025
23AQI
3rd February 2025
22AQI
4th February 2025
21AQI
5th February 2025
26AQI
6th February 2025
30AQI
7th February 2025
25AQI
8th February 2025
26AQI
9th February 2025
28AQI
10th February 2025
27AQI
11th February 2025
34AQI
12th February 2025
40AQI
13th February 2025
28AQI
14th February 2025
25AQI
15th February 2025
26AQI
16th February 2025
31AQI
17th February 2025
27AQI
18th February 2025
28AQI
19th February 2025
27AQI
20th February 2025
26AQI
21st February 2025
24AQI
22nd February 2025
41AQI
23rd February 2025
32AQI
24th February 2025
31AQI
25th February 2025
24AQI
26th February 2025
25AQI
27th February 2025
30AQI
28th February 2025
29AQI
1st March 2025
29AQI
2nd March 2025
24AQI
3rd March 2025
21AQI
4th March 2025
22AQI
5th March 2025
24AQI
6th March 2025
23AQI
7th March 2025
26AQI
8th March 2025
28AQI
9th March 2025
33AQI
10th March 2025
31AQI
11th March 2025
30AQI
12th March 2025
25AQI
13th March 2025
20AQI
14th March 2025
18AQI
15th March 2025
31AQI
16th March 2025
33AQI
17th March 2025
15AQI
18th March 2025
17AQI
19th March 2025
20AQI
20th March 2025
16AQI
21st March 2025
19AQI
22nd March 2025
20AQI
23rd March 2025
19AQI
24th March 2025
23AQI
25th March 2025
28AQI
26th March 2025
30AQI
27th March 2025
17AQI
28th March 2025
21AQI
29th March 2025
17AQI
30th March 2025
26AQI
31st March 2025
20AQI
1st April 2025
17AQI
2nd April 2025
18AQI
3rd April 2025
21AQI
4th April 2025
23AQI
5th April 2025
22AQI
6th April 2025
27AQI
7th April 2025
15AQI
8th April 2025
15AQI
9th April 2025
20AQI
10th April 2025
23AQI
11th April 2025
26AQI
12th April 2025
24AQI
13th April 2025
26AQI
14th April 2025
23AQI
15th April 2025
37AQI
16th April 2025
36AQI
17th April 2025
27AQI
18th April 2025
29AQI
19th April 2025
28AQI
20th April 2025
33AQI
21st April 2025
29AQI
22nd April 2025
33AQI
23rd April 2025
42AQI
24th April 2025
47AQI
25th April 2025
28AQI
26th April 2025
27AQI
27th April 2025
21AQI
28th April 2025
21AQI
29th April 2025
29AQI
30th April 2025
33AQI
1st May 2025
23AQI
2nd May 2025
34AQI
3rd May 2025
22AQI
4th May 2025
23AQI
5th May 2025
24AQI
6th May 2025
23AQI
7th May 2025
41AQI
8th May 2025
40AQI
9th May 2025
37AQI
10th May 2025
31AQI
11th May 2025
29AQI
12th May 2025
18AQI
13th May 2025
15AQI
14th May 2025
18AQI
15th May 2025
22AQI
16th May 2025
24AQI
17th May 2025
25AQI
18th May 2025
21AQI
19th May 2025
19AQI
20th May 2025
17AQI
21st May 2025
21AQI
22nd May 2025
25AQI
23rd May 2025
22AQI
24th May 2025
31AQI
25th May 2025
28AQI
26th May 2025
18AQI
27th May 2025
25AQI
28th May 2025
33AQI
29th May 2025
31AQI
30th May 2025
36AQI
31st May 2025
39AQI
1st June 2025
38AQI
2nd June 2025
44AQI
3rd June 2025
41AQI
4th June 2025
38AQI
5th June 2025
41AQI
6th June 2025
35AQI
7th June 2025
38AQI
8th June 2025
30AQI
9th June 2025
32AQI
10th June 2025
34AQI
11th June 2025
41AQI
12th June 2025
48AQI
13th June 2025
49AQI
14th June 2025
41AQI
15th June 2025
36AQI
16th June 2025
37AQI
17th June 2025
38AQI
18th June 2025
34AQI
19th June 2025
32AQI
20th June 2025
40AQI
21st June 2025
22AQI
22nd June 2025
18AQI
23rd June 2025
21AQI
24th June 2025
26AQI
25th June 2025
28AQI
26th June 2025
31AQI
27th June 2025
36AQI
28th June 2025
34AQI
29th June 2025
36AQI
30th June 2025
33AQI
1st July 2025
34AQI
2nd July 2025
35AQI
3rd July 2025
42AQI
4th July 2025
33AQI
5th July 2025
53AQI
6th July 2025
35AQI
7th July 2025
29AQI
8th July 2025
29AQI
9th July 2025
25AQI
10th July 2025
40AQI
11th July 2025
59AQI
12th July 2025
59AQI
13th July 2025
50AQI
14th July 2025
42AQI
15th July 2025
38AQI
16th July 2025
32AQI
17th July 2025
28AQI
18th July 2025
28AQI
19th July 2025
32AQI
20th July 2025
26AQI
21st July 2025
30AQI
22nd July 2025
21AQI
23rd July 2025
21AQI
24th July 2025
22AQI
25th July 2025
22AQI
26th July 2025
20AQI
27th July 2025
20AQI
28th July 2025
25AQI
29th July 2025
31AQI
30th July 2025
33AQI

40AQI

28AQI

23AQI

27AQI

26AQI

35AQI

33AQI


No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202530AQI

24
7
28
31
30
31
30
27
3
201
10

Highest AQI recorded in

January

40AQI


Lowest AQI recorded in

March

23AQI


202435AQI

16
1
12
29
31
31
28
24
7
26
4
22
9
220
20

Highest AQI recorded in

October

41AQI


Lowest AQI recorded in

March

8AQI


202343AQI

3
19
12
19
15

Highest AQI recorded in

November

60AQI


Lowest AQI recorded in

December

41AQI


202245AQI

3
4
1
4
2
18
10
1
5
1
34
14
1

Highest AQI recorded in

November

50AQI


Lowest AQI recorded in

December

25AQI


202178AQI

1
5
1
1
1
9
13
6
3
4
5
14
23
7
4
1

Highest AQI recorded in

July

106AQI


Lowest AQI recorded in

September

47AQI


2020168AQI

1
3
10
5
4
5
3
1
2
4
10
6
6
5
3

Highest AQI recorded in

September

173AQI


Lowest AQI recorded in

October

126AQI


Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2020(Avg.)
168AQI
Least Polluted Year Recorded
2025(Avg.)
30AQI


Oroville's annual 2025 AQI (30) shows an average percentage change of -43.3% (improved AQI) compared to previous years: 2020 (168), 2021 (78), 2022 (45), 2023 (43), 2024 (35).