Colusa, 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
Colusa, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
29th Aug 2021
150AQILowest AQI recorded on
18th Aug 2024
24AQISame Day Analysis (9th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Colusa, California, United States
AQI
Day
Night
.
6 AM9th Aug 2025
8 PM
5 AM10th Aug 2025
Day time
Avg. Highest Time
5PM9th Aug
52AQI
Avg. Lowest Time
8AM9th Aug
37AQI
Night time
Avg. Highest Time
2AM10th Aug
52AQI
Avg. Lowest Time
4AM10th Aug
35AQI
In the last 24 hours,
Colusa's AQI reached its highest point of 52 at 5 PM during the Day, while the lowest point, 35, was recorded at 4 AM during the Night between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Colusa, California, United States
JulAug
11th - 12th12th - 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
11th Jul 2025566 AMAQI
11th Jul 2025587 AMAQI
11th Jul 2025608 AMAQI
11th Jul 2025609 AMAQI
11th Jul 20256010 AMAQI
11th Jul 20256311 AMAQI
11th Jul 20256212 PMAQI
11th Jul 2025621 PMAQI
11th Jul 2025592 PMAQI
11th Jul 2025573 PMAQI
11th Jul 2025574 PMAQI
11th Jul 2025575 PMAQI
11th Jul 2025586 PMAQI
11th Jul 2025587 PMAQI
11th Jul 2025598 PMAQI
11th Jul 2025589 PMAQI
11th Jul 20255710 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20255812 AMAQI
12th Jul 2025601 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025573 AMAQI
12th Jul 2025584 AMAQI
12th Jul 2025555 AMAQI
--°C/°C
12th Jul 2025576 AMAQI
12th Jul 2025577 AMAQI
12th Jul 2025548 AMAQI
12th Jul 2025559 AMAQI
12th Jul 20255410 AMAQI
12th Jul 20255611 AMAQI
12th Jul 20255712 PMAQI
12th Jul 2025601 PMAQI
12th Jul 2025602 PMAQI
12th Jul 2025583 PMAQI
12th Jul 2025604 PMAQI
12th Jul 2025605 PMAQI
12th Jul 2025586 PMAQI
12th Jul 2025597 PMAQI
12th Jul 2025588 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20256010 PMAQI
12th Jul 20255811 PMAQI
13th Jul 20255712 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025572 AMAQI
13th Jul 2025523 AMAQI
13th Jul 2025404 AMAQI
13th Jul 2025375 AMAQI
31°C19/42°C
13th Jul 2025386 AMAQI
13th Jul 2025387 AMAQI
13th Jul 2025338 AMAQI
13th Jul 2025329 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253711 AMAQI
13th Jul 20253612 PMAQI
13th Jul 2025341 PMAQI
13th Jul 2025372 PMAQI
13th Jul 2025423 PMAQI
13th Jul 2025464 PMAQI
13th Jul 2025485 PMAQI
13th Jul 2025466 PMAQI
13th Jul 2025507 PMAQI
13th Jul 2025488 PMAQI
13th Jul 2025519 PMAQI
13th Jul 20254910 PMAQI
13th Jul 20254811 PMAQI
14th Jul 20254612 AMAQI
14th Jul 2025521 AMAQI
14th Jul 2025432 AMAQI
14th Jul 2025433 AMAQI
14th Jul 2025294 AMAQI
14th Jul 2025215 AMAQI
29°C16/42°C
14th Jul 2025196 AMAQI
14th Jul 2025227 AMAQI
14th Jul 2025238 AMAQI
14th Jul 2025239 AMAQI
14th Jul 20252310 AMAQI
14th Jul 20252511 AMAQI
14th Jul 20252912 PMAQI
14th Jul 2025281 PMAQI
14th Jul 2025302 PMAQI
14th Jul 2025303 PMAQI
14th Jul 2025344 PMAQI
14th Jul 2025375 PMAQI
14th Jul 2025386 PMAQI
14th Jul 2025367 PMAQI
14th Jul 2025378 PMAQI
14th Jul 2025409 PMAQI
14th Jul 20253710 PMAQI
14th Jul 20254011 PMAQI
15th Jul 20255012 AMAQI
15th Jul 2025461 AMAQI
15th Jul 2025442 AMAQI
15th Jul 2025393 AMAQI
15th Jul 2025264 AMAQI
15th Jul 2025205 AMAQI
29°C16/42°C
15th Jul 2025246 AMAQI
15th Jul 2025247 AMAQI
15th Jul 2025228 AMAQI
15th Jul 2025239 AMAQI
15th Jul 20252310 AMAQI
15th Jul 20252211 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025241 PMAQI
15th Jul 2025282 PMAQI
15th Jul 2025293 PMAQI
15th Jul 2025304 PMAQI
15th Jul 2025345 PMAQI
15th Jul 2025376 PMAQI
15th Jul 2025347 PMAQI
15th Jul 2025368 PMAQI
15th Jul 2025439 PMAQI
15th Jul 20254010 PMAQI
15th Jul 20254011 PMAQI
16th Jul 20253712 AMAQI
16th Jul 2025381 AMAQI
16th Jul 2025402 AMAQI
16th Jul 2025353 AMAQI
16th Jul 2025264 AMAQI
16th Jul 2025285 AMAQI
26°C14/39°C
16th Jul 2025376 AMAQI
16th Jul 2025387 AMAQI
16th Jul 2025338 AMAQI
16th Jul 2025299 AMAQI
16th Jul 20253410 AMAQI
16th Jul 20253411 AMAQI
16th Jul 20253512 PMAQI
16th Jul 2025421 PMAQI
16th Jul 2025402 PMAQI
16th Jul 2025393 PMAQI
16th Jul 2025384 PMAQI
16th Jul 2025405 PMAQI
16th Jul 2025476 PMAQI
16th Jul 2025427 PMAQI
16th Jul 2025408 PMAQI
16th Jul 2025379 PMAQI
16th Jul 20253610 PMAQI
16th Jul 20253611 PMAQI
17th Jul 20253712 AMAQI
17th Jul 2025351 AMAQI
17th Jul 2025332 AMAQI
17th Jul 2025323 AMAQI
17th Jul 2025254 AMAQI
17th Jul 2025225 AMAQI
24°C12/36°C
17th Jul 2025216 AMAQI
17th Jul 2025277 AMAQI
17th Jul 2025278 AMAQI
17th Jul 2025329 AMAQI
17th Jul 20252910 AMAQI
17th Jul 20253111 AMAQI
17th Jul 20252812 PMAQI
17th Jul 2025241 PMAQI
17th Jul 2025282 PMAQI
17th Jul 2025283 PMAQI
17th Jul 2025294 PMAQI
17th Jul 2025295 PMAQI
17th Jul 2025306 PMAQI
17th Jul 2025307 PMAQI
17th Jul 2025308 PMAQI
17th Jul 2025319 PMAQI
17th Jul 20253210 PMAQI
17th Jul 20253311 PMAQI
18th Jul 20253212 AMAQI
18th Jul 2025331 AMAQI
18th Jul 2025302 AMAQI
18th Jul 2025283 AMAQI
18th Jul 2025234 AMAQI
18th Jul 2025215 AMAQI
24°C12/36°C
18th Jul 2025226 AMAQI
18th Jul 2025227 AMAQI
18th Jul 2025218 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20252310 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20252212 PMAQI
18th Jul 2025231 PMAQI
18th Jul 2025262 PMAQI
18th Jul 2025293 PMAQI
18th Jul 2025324 PMAQI
18th Jul 2025335 PMAQI
18th Jul 2025326 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025278 PMAQI
18th Jul 2025319 PMAQI
18th Jul 20253610 PMAQI
18th Jul 20253911 PMAQI
19th Jul 20254112 AMAQI
19th Jul 2025361 AMAQI
19th Jul 2025332 AMAQI
19th Jul 2025343 AMAQI
19th Jul 2025364 AMAQI
19th Jul 2025365 AMAQI
25°C12/38°C
19th Jul 2025336 AMAQI
19th Jul 2025347 AMAQI
19th Jul 2025348 AMAQI
19th Jul 2025349 AMAQI
19th Jul 20253210 AMAQI
19th Jul 20253011 AMAQI
19th Jul 20253012 PMAQI
19th Jul 2025331 PMAQI
19th Jul 2025342 PMAQI
19th Jul 2025353 PMAQI
19th Jul 2025364 PMAQI
19th Jul 2025345 PMAQI
19th Jul 2025366 PMAQI
19th Jul 2025377 PMAQI
19th Jul 2025358 PMAQI
19th Jul 2025339 PMAQI
19th Jul 20253310 PMAQI
19th Jul 20253311 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025341 AMAQI
20th Jul 2025342 AMAQI
20th Jul 2025323 AMAQI
20th Jul 2025304 AMAQI
20th Jul 2025295 AMAQI
26°C12/39°C
20th Jul 2025286 AMAQI
20th Jul 2025277 AMAQI
20th Jul 2025248 AMAQI
20th Jul 2025269 AMAQI
20th Jul 20252910 AMAQI
20th Jul 20252911 AMAQI
20th Jul 20253112 PMAQI
20th Jul 2025301 PMAQI
20th Jul 2025292 PMAQI
20th Jul 2025273 PMAQI
20th Jul 2025274 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025286 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025299 PMAQI
20th Jul 20253010 PMAQI
20th Jul 20253011 PMAQI
21st Jul 20253212 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025392 AMAQI
21st Jul 2025383 AMAQI
21st Jul 2025374 AMAQI
21st Jul 2025325 AMAQI
25°C13/38°C
21st Jul 2025366 AMAQI
21st Jul 2025347 AMAQI
21st Jul 2025338 AMAQI
21st Jul 2025369 AMAQI
21st Jul 20253810 AMAQI
21st Jul 20253611 AMAQI
21st Jul 20253312 PMAQI
21st Jul 2025321 PMAQI
21st Jul 2025302 PMAQI
21st Jul 2025323 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025375 PMAQI
21st Jul 2025366 PMAQI
21st Jul 2025377 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025319 PMAQI
21st Jul 20252910 PMAQI
21st Jul 20252811 PMAQI
22nd Jul 20253012 AMAQI
22nd Jul 2025301 AMAQI
22nd Jul 2025302 AMAQI
22nd Jul 2025263 AMAQI
22nd Jul 2025164 AMAQI
22nd Jul 2025145 AMAQI
23°C12/33°C
22nd Jul 2025196 AMAQI
22nd Jul 2025207 AMAQI
22nd Jul 2025188 AMAQI
22nd Jul 2025189 AMAQI
22nd Jul 20251810 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20251812 PMAQI
22nd Jul 2025181 PMAQI
22nd Jul 2025202 PMAQI
22nd Jul 2025213 PMAQI
22nd Jul 2025204 PMAQI
22nd Jul 2025185 PMAQI
22nd Jul 2025206 PMAQI
22nd Jul 2025227 PMAQI
22nd Jul 2025248 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253210 PMAQI
22nd Jul 20252611 PMAQI
23rd Jul 20252412 AMAQI
23rd Jul 2025231 AMAQI
23rd Jul 2025242 AMAQI
23rd Jul 2025263 AMAQI
23rd Jul 2025274 AMAQI
23rd Jul 2025225 AMAQI
22°C12/31°C
23rd Jul 2025186 AMAQI
23rd Jul 2025227 AMAQI
23rd Jul 2025218 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252310 AMAQI
23rd Jul 20251911 AMAQI
23rd Jul 20251812 PMAQI
23rd Jul 2025201 PMAQI
23rd Jul 2025212 PMAQI
23rd Jul 2025273 PMAQI
23rd Jul 2025324 PMAQI
23rd Jul 2025305 PMAQI
23rd Jul 2025276 PMAQI
23rd Jul 2025237 PMAQI
23rd Jul 2025238 PMAQI
23rd Jul 2025259 PMAQI
23rd Jul 20253010 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252212 AMAQI
24th Jul 2025221 AMAQI
24th Jul 2025232 AMAQI
24th Jul 2025213 AMAQI
24th Jul 2025174 AMAQI
24th Jul 2025155 AMAQI
23°C12/33°C
24th Jul 2025176 AMAQI
24th Jul 2025207 AMAQI
24th Jul 2025208 AMAQI
24th Jul 2025189 AMAQI
24th Jul 20251710 AMAQI
24th Jul 20252011 AMAQI
24th Jul 20252712 PMAQI
24th Jul 2025391 PMAQI
24th Jul 2025372 PMAQI
24th Jul 2025313 PMAQI
24th Jul 2025294 PMAQI
24th Jul 2025275 PMAQI
24th Jul 2025266 PMAQI
24th Jul 2025227 PMAQI
24th Jul 2025248 PMAQI
24th Jul 2025269 PMAQI
24th Jul 20252610 PMAQI
24th Jul 20252511 PMAQI
25th Jul 20252812 AMAQI
25th Jul 2025281 AMAQI
25th Jul 2025302 AMAQI
25th Jul 2025273 AMAQI
25th Jul 2025244 AMAQI
25th Jul 2025225 AMAQI
23°C12/35°C
25th Jul 2025266 AMAQI
25th Jul 2025277 AMAQI
25th Jul 2025288 AMAQI
25th Jul 2025269 AMAQI
25th Jul 20252410 AMAQI
25th Jul 20252611 AMAQI
25th Jul 20253012 PMAQI
25th Jul 2025311 PMAQI
25th Jul 2025292 PMAQI
25th Jul 2025263 PMAQI
25th Jul 2025284 PMAQI
25th Jul 2025325 PMAQI
25th Jul 2025506 PMAQI
25th Jul 2025327 PMAQI
25th Jul 2025278 PMAQI
25th Jul 2025289 PMAQI
25th Jul 20252610 PMAQI
25th Jul 20252511 PMAQI
26th Jul 20252512 AMAQI
26th Jul 2025261 AMAQI
26th Jul 2025262 AMAQI
26th Jul 2025243 AMAQI
26th Jul 2025214 AMAQI
26th Jul 2025245 AMAQI
24°C13/35°C
26th Jul 2025206 AMAQI
26th Jul 2025197 AMAQI
26th Jul 2025238 AMAQI
26th Jul 2025219 AMAQI
26th Jul 20251910 AMAQI
26th Jul 20252111 AMAQI
26th Jul 20252812 PMAQI
26th Jul 2025381 PMAQI
26th Jul 2025352 PMAQI
26th Jul 2025313 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025305 PMAQI
26th Jul 2025326 PMAQI
26th Jul 2025297 PMAQI
26th Jul 2025278 PMAQI
26th Jul 2025279 PMAQI
26th Jul 20252610 PMAQI
26th Jul 20252611 PMAQI
27th Jul 20252712 AMAQI
27th Jul 2025281 AMAQI
27th Jul 2025262 AMAQI
27th Jul 2025213 AMAQI
27th Jul 2025154 AMAQI
27th Jul 2025185 AMAQI
23°C13/34°C
27th Jul 2025156 AMAQI
27th Jul 2025167 AMAQI
27th Jul 2025178 AMAQI
27th Jul 2025179 AMAQI
27th Jul 20252010 AMAQI
27th Jul 20251911 AMAQI
27th Jul 20251812 PMAQI
27th Jul 2025171 PMAQI
27th Jul 2025222 PMAQI
27th Jul 2025233 PMAQI
27th Jul 2025214 PMAQI
27th Jul 2025225 PMAQI
27th Jul 2025206 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025228 PMAQI
27th Jul 2025229 PMAQI
27th Jul 20251910 PMAQI
27th Jul 20252011 PMAQI
28th Jul 20252212 AMAQI
28th Jul 2025241 AMAQI
28th Jul 2025272 AMAQI
28th Jul 2025283 AMAQI
28th Jul 2025304 AMAQI
28th Jul 2025185 AMAQI
24°C13/35°C
28th Jul 2025296 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025248 AMAQI
28th Jul 2025269 AMAQI
28th Jul 20252610 AMAQI
28th Jul 20252511 AMAQI
28th Jul 20252812 PMAQI
28th Jul 2025281 PMAQI
28th Jul 2025282 PMAQI
28th Jul 2025293 PMAQI
28th Jul 2025304 PMAQI
28th Jul 2025285 PMAQI
28th Jul 2025296 PMAQI
28th Jul 2025287 PMAQI
28th Jul 2025278 PMAQI
28th Jul 2025289 PMAQI
28th Jul 20252710 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20253012 AMAQI
29th Jul 2025321 AMAQI
29th Jul 2025322 AMAQI
29th Jul 2025293 AMAQI
29th Jul 2025264 AMAQI
29th Jul 2025255 AMAQI
26°C14/37°C
29th Jul 2025266 AMAQI
29th Jul 2025277 AMAQI
29th Jul 2025298 AMAQI
29th Jul 2025329 AMAQI
29th Jul 20253010 AMAQI
29th Jul 20253111 AMAQI
29th Jul 20253312 PMAQI
29th Jul 2025321 PMAQI
29th Jul 2025352 PMAQI
29th Jul 2025343 PMAQI
29th Jul 2025334 PMAQI
29th Jul 2025315 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025357 PMAQI
29th Jul 2025328 PMAQI
29th Jul 2025369 PMAQI
29th Jul 20253610 PMAQI
29th Jul 20253511 PMAQI
30th Jul 20253712 AMAQI
30th Jul 2025341 AMAQI
30th Jul 2025362 AMAQI
30th Jul 2025353 AMAQI
30th Jul 2025354 AMAQI
30th Jul 2025425 AMAQI
28°C17/39°C
30th Jul 2025386 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025388 AMAQI
30th Jul 2025369 AMAQI
30th Jul 20253510 AMAQI
30th Jul 20253611 AMAQI
30th Jul 20254012 PMAQI
30th Jul 2025421 PMAQI
30th Jul 2025422 PMAQI
30th Jul 2025423 PMAQI
30th Jul 2025424 PMAQI
30th Jul 2025425 PMAQI
30th Jul 2025426 PMAQI
30th Jul 2025427 PMAQI
30th Jul 2025428 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20253710 PMAQI
30th Jul 20253611 PMAQI
31st Jul 20253712 AMAQI
31st Jul 2025371 AMAQI
31st Jul 2025402 AMAQI
31st Jul 2025383 AMAQI
31st Jul 2025324 AMAQI
31st Jul 2025285 AMAQI
25°C13/37°C
31st Jul 2025306 AMAQI
31st Jul 2025367 AMAQI
31st Jul 2025348 AMAQI
31st Jul 2025359 AMAQI
31st Jul 20253410 AMAQI
31st Jul 20253311 AMAQI
31st Jul 20253512 PMAQI
31st Jul 2025441 PMAQI
31st Jul 2025482 PMAQI
31st Jul 2025453 PMAQI
31st Jul 2025454 PMAQI
31st Jul 2025485 PMAQI
31st Jul 2025496 PMAQI
31st Jul 2025427 PMAQI
31st Jul 2025408 PMAQI
31st Jul 2025399 PMAQI
31st Jul 20254010 PMAQI
31st Jul 20254911 PMAQI
1st Aug 20255112 AMAQI
1st Aug 2025501 AMAQI
1st Aug 2025442 AMAQI
1st Aug 2025423 AMAQI
1st Aug 2025454 AMAQI
1st Aug 2025415 AMAQI
26°C13/39°C
1st Aug 2025356 AMAQI
1st Aug 2025327 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025319 AMAQI
1st Aug 20253210 AMAQI
1st Aug 20253411 AMAQI
1st Aug 20253512 PMAQI
1st Aug 2025421 PMAQI
1st Aug 2025422 PMAQI
1st Aug 2025423 PMAQI
1st Aug 2025454 PMAQI
1st Aug 2025475 PMAQI
1st Aug 2025466 PMAQI
1st Aug 2025417 PMAQI
1st Aug 2025438 PMAQI
1st Aug 2025439 PMAQI
1st Aug 20254010 PMAQI
1st Aug 20254411 PMAQI
2nd Aug 20254212 AMAQI
2nd Aug 2025361 AMAQI
2nd Aug 2025332 AMAQI
2nd Aug 2025323 AMAQI
2nd Aug 2025344 AMAQI
2nd Aug 2025365 AMAQI
28°C15/39°C
2nd Aug 2025366 AMAQI
2nd Aug 2025337 AMAQI
2nd Aug 2025308 AMAQI
2nd Aug 2025289 AMAQI
2nd Aug 20252810 AMAQI
2nd Aug 20253011 AMAQI
2nd Aug 20253212 PMAQI
2nd Aug 2025341 PMAQI
2nd Aug 2025392 PMAQI
2nd Aug 2025433 PMAQI
2nd Aug 2025384 PMAQI
2nd Aug 2025365 PMAQI
2nd Aug 2025396 PMAQI
2nd Aug 2025357 PMAQI
2nd Aug 2025368 PMAQI
2nd Aug 2025329 PMAQI
2nd Aug 20252910 PMAQI
2nd Aug 20253611 PMAQI
3rd Aug 20253812 AMAQI
3rd Aug 2025371 AMAQI
3rd Aug 2025362 AMAQI
3rd Aug 2025323 AMAQI
3rd Aug 2025324 AMAQI
3rd Aug 2025325 AMAQI
27°C14/39°C
3rd Aug 2025346 AMAQI
3rd Aug 2025347 AMAQI
3rd Aug 2025348 AMAQI
3rd Aug 2025329 AMAQI
3rd Aug 20253510 AMAQI
3rd Aug 20253811 AMAQI
3rd Aug 20254212 PMAQI
3rd Aug 2025461 PMAQI
3rd Aug 2025502 PMAQI
3rd Aug 2025493 PMAQI
3rd Aug 2025464 PMAQI
3rd Aug 2025425 PMAQI
3rd Aug 2025396 PMAQI
3rd Aug 2025377 PMAQI
3rd Aug 2025378 PMAQI
3rd Aug 2025419 PMAQI
3rd Aug 20253610 PMAQI
3rd Aug 20253811 PMAQI
4th Aug 20254012 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025432 AMAQI
4th Aug 2025463 AMAQI
4th Aug 2025464 AMAQI
4th Aug 2025425 AMAQI
26°C15/38°C
4th Aug 2025386 AMAQI
4th Aug 2025377 AMAQI
4th Aug 2025368 AMAQI
4th Aug 2025369 AMAQI
4th Aug 20253410 AMAQI
4th Aug 20253211 AMAQI
4th Aug 20253612 PMAQI
4th Aug 2025391 PMAQI
4th Aug 2025382 PMAQI
4th Aug 2025393 PMAQI
4th Aug 2025384 PMAQI
4th Aug 2025345 PMAQI
4th Aug 2025366 PMAQI
4th Aug 2025377 PMAQI
4th Aug 2025368 PMAQI
4th Aug 2025359 PMAQI
4th Aug 20253710 PMAQI
4th Aug 20253611 PMAQI
5th Aug 20253812 AMAQI
5th Aug 2025401 AMAQI
5th Aug 2025402 AMAQI
5th Aug 2025373 AMAQI
5th Aug 2025364 AMAQI
5th Aug 2025355 AMAQI
25°C14/35°C
5th Aug 2025306 AMAQI
5th Aug 2025327 AMAQI
5th Aug 2025348 AMAQI
5th Aug 2025349 AMAQI
5th Aug 20253710 AMAQI
5th Aug 20253611 AMAQI
5th Aug 20253512 PMAQI
5th Aug 2025361 PMAQI
5th Aug 2025362 PMAQI
5th Aug 2025353 PMAQI
5th Aug 2025344 PMAQI
5th Aug 2025365 PMAQI
5th Aug 2025476 PMAQI
5th Aug 2025367 PMAQI
5th Aug 2025408 PMAQI
5th Aug 2025469 PMAQI
5th Aug 20254210 PMAQI
5th Aug 20254411 PMAQI
6th Aug 20254212 AMAQI
6th Aug 2025411 AMAQI
6th Aug 2025422 AMAQI
6th Aug 2025453 AMAQI
6th Aug 2025434 AMAQI
6th Aug 2025405 AMAQI
25°C13/35°C
6th Aug 2025396 AMAQI
6th Aug 2025387 AMAQI
6th Aug 2025358 AMAQI
6th Aug 2025369 AMAQI
6th Aug 20253610 AMAQI
6th Aug 20253611 AMAQI
6th Aug 20254212 PMAQI
6th Aug 2025511 PMAQI
6th Aug 2025582 PMAQI
6th Aug 2025573 PMAQI
6th Aug 2025564 PMAQI
6th Aug 2025545 PMAQI
6th Aug 2025486 PMAQI
6th Aug 2025447 PMAQI
6th Aug 2025388 PMAQI
6th Aug 2025389 PMAQI
6th Aug 20253810 PMAQI
6th Aug 20254011 PMAQI
7th Aug 20254812 AMAQI
7th Aug 2025411 AMAQI
7th Aug 2025382 AMAQI
7th Aug 2025443 AMAQI
7th Aug 2025484 AMAQI
7th Aug 2025465 AMAQI
27°C15/38°C
7th Aug 2025406 AMAQI
7th Aug 2025407 AMAQI
7th Aug 2025368 AMAQI
7th Aug 2025409 AMAQI
7th Aug 20253610 AMAQI
7th Aug 20253611 AMAQI
7th Aug 20254012 PMAQI
7th Aug 2025441 PMAQI
7th Aug 2025372 PMAQI
7th Aug 2025373 PMAQI
7th Aug 2025364 PMAQI
7th Aug 2025375 PMAQI
7th Aug 2025366 PMAQI
7th Aug 2025417 PMAQI
7th Aug 2025398 PMAQI
7th Aug 2025349 PMAQI
7th Aug 20253410 PMAQI
7th Aug 20253411 PMAQI
8th Aug 20253612 AMAQI
8th Aug 2025391 AMAQI
8th Aug 2025412 AMAQI
8th Aug 2025463 AMAQI
8th Aug 2025444 AMAQI
8th Aug 2025485 AMAQI
29°C18/39°C
8th Aug 2025476 AMAQI
8th Aug 2025487 AMAQI
8th Aug 2025508 AMAQI
8th Aug 2025469 AMAQI
8th Aug 20254210 AMAQI
8th Aug 20254211 AMAQI
8th Aug 20254412 PMAQI
8th Aug 2025381 PMAQI
8th Aug 2025372 PMAQI
8th Aug 2025363 PMAQI
8th Aug 2025384 PMAQI
8th Aug 2025365 PMAQI
8th Aug 2025366 PMAQI
8th Aug 2025407 PMAQI
8th Aug 2025388 PMAQI
8th Aug 2025339 PMAQI
8th Aug 20253310 PMAQI
8th Aug 20254111 PMAQI
9th Aug 20254812 AMAQI
9th Aug 2025561 AMAQI
9th Aug 2025532 AMAQI
9th Aug 2025583 AMAQI
9th Aug 2025664 AMAQI
9th Aug 2025495 AMAQI
30°C19/41°C
9th Aug 2025406 AMAQI
9th Aug 2025387 AMAQI
9th Aug 2025378 AMAQI
9th Aug 2025429 AMAQI
9th Aug 20254910 AMAQI
9th Aug 20254511 AMAQI
9th Aug 20255012 PMAQI
9th Aug 2025451 PMAQI
9th Aug 2025442 PMAQI
9th Aug 2025433 PMAQI
9th Aug 2025454 PMAQI
9th Aug 2025525 PMAQI
9th Aug 2025506 PMAQI
9th Aug 2025517 PMAQI
9th Aug 2025508 PMAQI
9th Aug 2025489 PMAQI
9th Aug 20254410 PMAQI
9th Aug 20254611 PMAQI
10th Aug 20255112 AMAQI
10th Aug 2025491 AMAQI
10th Aug 2025522 AMAQI
10th Aug 2025473 AMAQI
10th Aug 2025354 AMAQI
10th Aug 2025365 AMAQI
32°C21/43°C
10th Aug 2025436 AMAQI
6 AM10th Aug 2025447 AMAQI
10th Aug 2025478 AMAQI
10th Aug 2025479 AMAQI
10th Aug 20255810 AMAQI
10th Aug 20258211 AMAQI
10th Aug 20254412 PMAQI
10th Aug 2025441 PMAQI
1 PM10th Aug 2025522 PMAQI
10th Aug 2025463 PMAQI
10th Aug 2025464 PMAQI
10th Aug 2025465 PMAQI
10th Aug 2025446 PMAQI
10th Aug 2025467 PMAQI
10th Aug 2025458 PMAQI
8 PM10th Aug 2025449 PMAQI
10th Aug 20255210 PMAQI
10th Aug 20254811 PMAQI
1 AM
5 AM
31°C20/43°C
Day time
Avg. Highest Time
1 PM - 6 PM
37AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
6 AM - 12 PM
33AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 6 PM (Avg. 37), while the lowest AQI was between 6 AM to 12 PM (Avg. 33).
Night time
Avg. Highest Time
12 AM - 3 AM
38AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
5 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. 38), while the lowest AQI was between 5 AM to 5 AM (Avg. 32).
2025 Days Vs Air Quality
Colusa, California, United States
2025
95%
209
5%
12
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Good
209 DaysModerate
12 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 223 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
Colusa, 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
52AQI
52AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
41AQI
41AQI
4th January 2025
22AQI
22AQI
5th January 2025
26AQI
26AQI
6th January 2025
25AQI
25AQI
7th January 2025
24AQI
24AQI
8th January 2025
24AQI
24AQI
9th January 2025
28AQI
28AQI
10th January 2025
46AQI
46AQI
11th January 2025
33AQI
33AQI
12th January 2025
25AQI
25AQI
13th January 2025
27AQI
27AQI
14th January 2025
26AQI
26AQI
15th January 2025
47AQI
47AQI
16th January 2025
49AQI
49AQI
17th January 2025
53AQI
53AQI
18th January 2025
50AQI
50AQI
19th January 2025
51AQI
51AQI
20th January 2025
35AQI
35AQI
21st January 2025
36AQI
36AQI
22nd January 2025
37AQI
37AQI
23rd January 2025
51AQI
51AQI
24th January 2025
51AQI
51AQI
25th January 2025
37AQI
37AQI
26th January 2025
31AQI
31AQI
27th January 2025
24AQI
24AQI
28th January 2025
48AQI
48AQI
29th January 2025
60AQI
60AQI
30th January 2025
79AQI
79AQI
31st January 2025
41AQI
41AQI
1st February 2025
37AQI
37AQI
2nd February 2025
24AQI
24AQI
3rd February 2025
24AQI
24AQI
4th February 2025
23AQI
23AQI
5th February 2025
26AQI
26AQI
6th February 2025
23AQI
23AQI
7th February 2025
24AQI
24AQI
8th February 2025
23AQI
23AQI
9th February 2025
26AQI
26AQI
10th February 2025
27AQI
27AQI
11th February 2025
27AQI
27AQI
12th February 2025
33AQI
33AQI
13th February 2025
66AQI
66AQI
14th February 2025
37AQI
37AQI
15th February 2025
29AQI
29AQI
16th February 2025
27AQI
27AQI
17th February 2025
21AQI
21AQI
18th February 2025
23AQI
23AQI
19th February 2025
22AQI
22AQI
20th February 2025
24AQI
24AQI
21st February 2025
24AQI
24AQI
22nd February 2025
29AQI
29AQI
23rd February 2025
26AQI
26AQI
24th February 2025
23AQI
23AQI
25th February 2025
23AQI
23AQI
26th February 2025
24AQI
24AQI
27th February 2025
29AQI
29AQI
28th February 2025
27AQI
27AQI
1st March 2025
33AQI
33AQI
2nd March 2025
26AQI
26AQI
3rd March 2025
21AQI
21AQI
4th March 2025
21AQI
21AQI
5th March 2025
22AQI
22AQI
6th March 2025
24AQI
24AQI
7th March 2025
26AQI
26AQI
8th March 2025
25AQI
25AQI
9th March 2025
34AQI
34AQI
10th March 2025
30AQI
30AQI
11th March 2025
33AQI
33AQI
12th March 2025
29AQI
29AQI
13th March 2025
19AQI
19AQI
14th March 2025
16AQI
16AQI
15th March 2025
29AQI
29AQI
16th March 2025
34AQI
34AQI
17th March 2025
15AQI
15AQI
18th March 2025
16AQI
16AQI
19th March 2025
18AQI
18AQI
20th March 2025
15AQI
15AQI
21st March 2025
16AQI
16AQI
22nd March 2025
19AQI
19AQI
23rd March 2025
17AQI
17AQI
24th March 2025
19AQI
19AQI
25th March 2025
23AQI
23AQI
26th March 2025
27AQI
27AQI
27th March 2025
18AQI
18AQI
28th March 2025
19AQI
19AQI
29th March 2025
22AQI
22AQI
30th March 2025
20AQI
20AQI
31st March 2025
19AQI
19AQI
1st April 2025
18AQI
18AQI
2nd April 2025
17AQI
17AQI
3rd April 2025
17AQI
17AQI
4th April 2025
18AQI
18AQI
5th April 2025
18AQI
18AQI
6th April 2025
22AQI
22AQI
7th April 2025
14AQI
14AQI
8th April 2025
13AQI
13AQI
9th April 2025
23AQI
23AQI
10th April 2025
22AQI
22AQI
11th April 2025
22AQI
22AQI
12th April 2025
22AQI
22AQI
13th April 2025
23AQI
23AQI
14th April 2025
21AQI
21AQI
15th April 2025
34AQI
34AQI
16th April 2025
31AQI
31AQI
17th April 2025
19AQI
19AQI
18th April 2025
26AQI
26AQI
19th April 2025
26AQI
26AQI
20th April 2025
25AQI
25AQI
21st April 2025
29AQI
29AQI
22nd April 2025
35AQI
35AQI
23rd April 2025
40AQI
40AQI
24th April 2025
42AQI
42AQI
25th April 2025
23AQI
23AQI
26th April 2025
19AQI
19AQI
27th April 2025
15AQI
15AQI
28th April 2025
16AQI
16AQI
29th April 2025
25AQI
25AQI
30th April 2025
32AQI
32AQI
1st May 2025
32AQI
32AQI
2nd May 2025
32AQI
32AQI
3rd May 2025
22AQI
22AQI
4th May 2025
29AQI
29AQI
5th May 2025
25AQI
25AQI
6th May 2025
26AQI
26AQI
7th May 2025
47AQI
47AQI
8th May 2025
42AQI
42AQI
9th May 2025
43AQI
43AQI
10th May 2025
37AQI
37AQI
11th May 2025
24AQI
24AQI
12th May 2025
19AQI
19AQI
13th May 2025
15AQI
15AQI
14th May 2025
16AQI
16AQI
15th May 2025
21AQI
21AQI
16th May 2025
29AQI
29AQI
17th May 2025
24AQI
24AQI
18th May 2025
19AQI
19AQI
19th May 2025
17AQI
17AQI
20th May 2025
16AQI
16AQI
21st May 2025
24AQI
24AQI
22nd May 2025
27AQI
27AQI
23rd May 2025
18AQI
18AQI
24th May 2025
30AQI
30AQI
25th May 2025
25AQI
25AQI
26th May 2025
17AQI
17AQI
27th May 2025
23AQI
23AQI
28th May 2025
28AQI
28AQI
29th May 2025
25AQI
25AQI
30th May 2025
28AQI
28AQI
31st May 2025
38AQI
38AQI
1st June 2025
40AQI
40AQI
2nd June 2025
54AQI
54AQI
3rd June 2025
39AQI
39AQI
4th June 2025
37AQI
37AQI
5th June 2025
43AQI
43AQI
6th June 2025
24AQI
24AQI
7th June 2025
25AQI
25AQI
8th June 2025
22AQI
22AQI
9th June 2025
25AQI
25AQI
10th June 2025
28AQI
28AQI
11th June 2025
43AQI
43AQI
12th June 2025
47AQI
47AQI
13th June 2025
45AQI
45AQI
14th June 2025
39AQI
39AQI
15th June 2025
39AQI
39AQI
16th June 2025
38AQI
38AQI
17th June 2025
33AQI
33AQI
18th June 2025
31AQI
31AQI
19th June 2025
33AQI
33AQI
20th June 2025
39AQI
39AQI
21st June 2025
18AQI
18AQI
22nd June 2025
14AQI
14AQI
23rd June 2025
21AQI
21AQI
24th June 2025
26AQI
26AQI
25th June 2025
25AQI
25AQI
26th June 2025
27AQI
27AQI
27th June 2025
31AQI
31AQI
28th June 2025
31AQI
31AQI
29th June 2025
32AQI
32AQI
30th June 2025
29AQI
29AQI
1st July 2025
29AQI
29AQI
2nd July 2025
31AQI
31AQI
3rd July 2025
45AQI
45AQI
4th July 2025
33AQI
33AQI
5th July 2025
53AQI
53AQI
6th July 2025
36AQI
36AQI
7th July 2025
28AQI
28AQI
8th July 2025
26AQI
26AQI
9th July 2025
21AQI
21AQI
10th July 2025
41AQI
41AQI
11th July 2025
58AQI
58AQI
12th July 2025
58AQI
58AQI
13th July 2025
45AQI
45AQI
14th July 2025
34AQI
34AQI
15th July 2025
33AQI
33AQI
16th July 2025
37AQI
37AQI
17th July 2025
30AQI
30AQI
18th July 2025
28AQI
28AQI
19th July 2025
34AQI
34AQI
20th July 2025
30AQI
30AQI
21st July 2025
34AQI
34AQI
22nd July 2025
23AQI
23AQI
23rd July 2025
24AQI
24AQI
24th July 2025
23AQI
23AQI
25th July 2025
29AQI
29AQI
26th July 2025
26AQI
26AQI
27th July 2025
20AQI
20AQI
28th July 2025
27AQI
27AQI
29th July 2025
31AQI
31AQI
30th July 2025
38AQI
38AQI
31st July 2025
39AQI
39AQI
1st August 2025
42AQI
42AQI
2nd August 2025
35AQI
35AQI
3rd August 2025
38AQI
38AQI
4th August 2025
38AQI
38AQI
5th August 2025
38AQI
38AQI
6th August 2025
43AQI
43AQI
7th August 2025
40AQI
40AQI
8th August 2025
41AQI
41AQI
9th August 2025
50AQI
50AQI
39AQI
28AQI
23AQI
24AQI
26AQI
33AQI
34AQI
41AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202530AQI
24
7
27
1
31
30
31
29
1
28
3
9
209
12
Highest AQI recorded in
August41AQI
Lowest AQI recorded in
March23AQI
202434AQI
31
29
31
30
31
27
2
28
3
27
4
26
4
24
7
25
5
22
9
331
34
Highest AQI recorded in
July41AQI
Lowest AQI recorded in
March27AQI
202360AQI
23
1
1
6
24
4
31
28
29
2
22
1
1
6
22
7
25
6
22
8
23
1
7
22
7
26
5
297
42
1
1
19
Highest AQI recorded in
October132AQI
Lowest AQI recorded in
March28AQI
202236AQI
6
10
17
5
31
28
2
29
1
30
20
2
23
5
1
22
9
27
3
25
6
260
41
1
Highest AQI recorded in
January52AQI
Lowest AQI recorded in
July28AQI
202147AQI
20
10
26
2
28
3
23
7
18
13
17
13
26
5
13
8
10
12
15
1
22
9
23
3
3
3
231
91
11
Highest AQI recorded in
August75AQI
Lowest AQI recorded in
November34AQI
202054AQI
13
20
18
30
31
16
4
8
3
3
13
9
5
6
20
1
3
13
17
20
11
170
65
18
11
Highest AQI recorded in
September101AQI
Lowest AQI recorded in
March25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
60AQILeast Polluted Year Recorded
2025(Avg.)
30AQIColusa's annual 2025 AQI (30) shows an average percentage change of -32.2% (improved AQI) compared to previous years: 2020 (54), 2021 (47), 2022 (36), 2023 (60), 2024 (34).
