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+
June Air Quality Analysis
Colusa, California, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
16th Jun 2023
499AQILowest AQI recorded on
22nd Jun 2025
14AQISame Day Analysis (2nd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 19 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 1st Jun - 2nd Jun 2026
Colusa, California, United States
AQI
Day
Night
.
5 AM1st Jun 2026
8 PM
4 AM2nd Jun 2026
Day time
Avg. Highest Time
10AM1st Jun
26AQI
Avg. Lowest Time
7PM1st Jun
10AQI
Night time
Avg. Highest Time
12AM2nd Jun
14AQI
Avg. Lowest Time
10PM1st Jun
10AQI
In the last 24 hours,
Colusa's AQI reached its highest point of 26 at 10 AM during the Day, while the lowest point, 10, was recorded at 10 PM during the Night between 1st Jun and 2nd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Colusa, California, United States
MayJun
04th - 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 - 01st01st - 02nd02nd
Day
Night
4th May 2026165 AMAQI
4th May 2026166 AMAQI
4th May 2026287 AMAQI
4th May 2026258 AMAQI
4th May 2026229 AMAQI
4th May 20263210 AMAQI
4th May 20262711 AMAQI
4th May 20264212 PMAQI
4th May 2026421 PMAQI
4th May 2026152 PMAQI
4th May 2026173 PMAQI
4th May 2026164 PMAQI
4th May 2026295 PMAQI
4th May 2026466 PMAQI
4th May 2026217 PMAQI
4th May 2026168 PMAQI
4th May 2026269 PMAQI
4th May 20261810 PMAQI
4th May 20261211 PMAQI
5th May 20261012 AMAQI
5th May 2026281 AMAQI
5th May 2026302 AMAQI
5th May 2026283 AMAQI
5th May 2026324 AMAQI
15°C10/21°C
5th May 2026305 AMAQI
5th May 2026326 AMAQI
5th May 2026327 AMAQI
5th May 2026328 AMAQI
5th May 202699 AMAQI
5th May 20263610 AMAQI
5th May 20261611 AMAQI
5th May 20264012 PMAQI
5th May 2026381 PMAQI
5th May 2026322 PMAQI
5th May 2026343 PMAQI
5th May 2026314 PMAQI
5th May 2026465 PMAQI
5th May 2026446 PMAQI
5th May 2026147 PMAQI
5th May 2026248 PMAQI
5th May 2026309 PMAQI
5th May 20262010 PMAQI
5th May 20261011 PMAQI
6th May 20261212 AMAQI
6th May 2026101 AMAQI
6th May 2026102 AMAQI
6th May 2026103 AMAQI
6th May 2026124 AMAQI
16°C12/21°C
6th May 202695 AMAQI
6th May 202686 AMAQI
6th May 2026137 AMAQI
6th May 2026168 AMAQI
6th May 2026279 AMAQI
6th May 20262710 AMAQI
6th May 20262111 AMAQI
6th May 20264012 PMAQI
6th May 2026241 PMAQI
6th May 2026192 PMAQI
6th May 2026253 PMAQI
6th May 2026194 PMAQI
6th May 2026165 PMAQI
6th May 2026166 PMAQI
6th May 2026147 PMAQI
6th May 2026148 PMAQI
6th May 2026149 PMAQI
6th May 20261410 PMAQI
6th May 20261211 PMAQI
7th May 20261112 AMAQI
7th May 2026141 AMAQI
7th May 2026142 AMAQI
7th May 2026143 AMAQI
7th May 2026144 AMAQI
20°C13/28°C
7th May 2026125 AMAQI
7th May 2026126 AMAQI
7th May 2026147 AMAQI
7th May 2026128 AMAQI
7th May 2026149 AMAQI
7th May 20261710 AMAQI
7th May 20262111 AMAQI
7th May 20263812 PMAQI
7th May 2026231 PMAQI
7th May 2026332 PMAQI
7th May 2026363 PMAQI
7th May 2026274 PMAQI
7th May 2026255 PMAQI
7th May 2026276 PMAQI
7th May 2026207 PMAQI
7th May 2026208 PMAQI
7th May 2026189 PMAQI
7th May 20261810 PMAQI
7th May 20261811 PMAQI
8th May 20261412 AMAQI
8th May 2026121 AMAQI
8th May 2026132 AMAQI
8th May 2026123 AMAQI
8th May 2026144 AMAQI
21°C13/30°C
8th May 2026125 AMAQI
8th May 2026146 AMAQI
8th May 2026107 AMAQI
8th May 2026148 AMAQI
8th May 2026149 AMAQI
8th May 20264410 AMAQI
8th May 20264411 AMAQI
8th May 20265412 PMAQI
8th May 2026261 PMAQI
8th May 2026212 PMAQI
8th May 2026183 PMAQI
8th May 2026224 PMAQI
8th May 2026305 PMAQI
8th May 2026466 PMAQI
8th May 2026307 PMAQI
8th May 2026308 PMAQI
8th May 2026279 PMAQI
8th May 20261910 PMAQI
8th May 20262811 PMAQI
9th May 20262812 AMAQI
9th May 2026201 AMAQI
9th May 2026202 AMAQI
9th May 2026183 AMAQI
9th May 2026194 AMAQI
22°C13/31°C
9th May 2026165 AMAQI
9th May 2026186 AMAQI
9th May 2026187 AMAQI
9th May 2026248 AMAQI
9th May 2026289 AMAQI
9th May 20264410 AMAQI
9th May 20264511 AMAQI
9th May 20267912 PMAQI
9th May 2026741 PMAQI
9th May 2026352 PMAQI
9th May 2026273 PMAQI
9th May 2026284 PMAQI
9th May 2026465 PMAQI
9th May 2026546 PMAQI
9th May 2026347 PMAQI
9th May 2026448 PMAQI
9th May 2026479 PMAQI
9th May 20264210 PMAQI
9th May 20263611 PMAQI
10th May 20262712 AMAQI
10th May 2026261 AMAQI
10th May 2026242 AMAQI
10th May 2026233 AMAQI
10th May 2026184 AMAQI
24°C14/34°C
10th May 2026185 AMAQI
10th May 2026166 AMAQI
10th May 2026157 AMAQI
10th May 2026148 AMAQI
10th May 2026179 AMAQI
10th May 20262610 AMAQI
10th May 20263111 AMAQI
10th May 20265212 PMAQI
10th May 2026221 PMAQI
10th May 2026282 PMAQI
10th May 2026383 PMAQI
10th May 2026424 PMAQI
10th May 2026305 PMAQI
10th May 2026316 PMAQI
10th May 2026287 PMAQI
10th May 2026248 PMAQI
10th May 2026229 PMAQI
10th May 20262210 PMAQI
10th May 20262011 PMAQI
11th May 20261912 AMAQI
11th May 2026181 AMAQI
11th May 2026162 AMAQI
11th May 2026203 AMAQI
11th May 2026194 AMAQI
23°C14/33°C
11th May 2026165 AMAQI
11th May 2026166 AMAQI
11th May 2026167 AMAQI
11th May 2026278 AMAQI
11th May 2026189 AMAQI
11th May 20263110 AMAQI
11th May 20262211 AMAQI
11th May 20264412 PMAQI
11th May 2026361 PMAQI
11th May 2026362 PMAQI
11th May 2026443 PMAQI
11th May 2026344 PMAQI
11th May 2026365 PMAQI
11th May 2026406 PMAQI
11th May 2026447 PMAQI
11th May 2026408 PMAQI
11th May 2026329 PMAQI
11th May 20263410 PMAQI
11th May 20263411 PMAQI
12th May 20263412 AMAQI
12th May 2026221 AMAQI
12th May 2026242 AMAQI
12th May 2026193 AMAQI
12th May 2026184 AMAQI
25°C15/35°C
12th May 2026175 AMAQI
12th May 2026166 AMAQI
12th May 2026187 AMAQI
12th May 2026308 AMAQI
12th May 2026369 AMAQI
12th May 20263310 AMAQI
12th May 20262711 AMAQI
12th May 20265412 PMAQI
12th May 2026341 PMAQI
12th May 2026542 PMAQI
12th May 2026443 PMAQI
12th May 2026404 PMAQI
12th May 2026545 PMAQI
12th May 2026556 PMAQI
12th May 2026727 PMAQI
12th May 2026848 PMAQI
12th May 2026699 PMAQI
12th May 20264810 PMAQI
12th May 20264411 PMAQI
13th May 20263412 AMAQI
13th May 2026271 AMAQI
13th May 2026262 AMAQI
13th May 2026213 AMAQI
13th May 2026204 AMAQI
25°C15/34°C
13th May 2026185 AMAQI
13th May 2026146 AMAQI
13th May 2026147 AMAQI
13th May 2026148 AMAQI
13th May 2026209 AMAQI
13th May 20263010 AMAQI
13th May 20263611 AMAQI
13th May 20264412 PMAQI
13th May 2026471 PMAQI
13th May 2026322 PMAQI
13th May 2026343 PMAQI
13th May 2026404 PMAQI
13th May 2026415 PMAQI
13th May 2026446 PMAQI
13th May 2026447 PMAQI
13th May 2026478 PMAQI
13th May 2026489 PMAQI
13th May 20264210 PMAQI
13th May 20263811 PMAQI
14th May 20263612 AMAQI
14th May 2026381 AMAQI
14th May 2026382 AMAQI
14th May 2026323 AMAQI
14th May 2026324 AMAQI
21°C13/30°C
14th May 2026325 AMAQI
14th May 2026226 AMAQI
14th May 2026247 AMAQI
14th May 2026408 AMAQI
14th May 2026369 AMAQI
14th May 20262810 AMAQI
14th May 20262411 AMAQI
14th May 20262412 PMAQI
14th May 2026261 PMAQI
14th May 2026252 PMAQI
14th May 2026283 PMAQI
14th May 2026304 PMAQI
14th May 2026325 PMAQI
14th May 2026346 PMAQI
14th May 2026347 PMAQI
14th May 2026348 PMAQI
14th May 2026289 PMAQI
14th May 20262410 PMAQI
14th May 20262211 PMAQI
15th May 20262112 AMAQI
15th May 2026221 AMAQI
15th May 2026302 AMAQI
15th May 2026243 AMAQI
15th May 2026244 AMAQI
23°C12/34°C
15th May 2026155 AMAQI
15th May 2026136 AMAQI
15th May 2026187 AMAQI
15th May 2026318 AMAQI
15th May 2026549 AMAQI
15th May 20265410 AMAQI
15th May 20266011 AMAQI
15th May 20267812 PMAQI
15th May 2026581 PMAQI
15th May 2026682 PMAQI
15th May 2026403 PMAQI
15th May 2026264 PMAQI
15th May 2026295 PMAQI
15th May 2026446 PMAQI
15th May 2026567 PMAQI
15th May 2026448 PMAQI
15th May 2026459 PMAQI
15th May 20263810 PMAQI
15th May 20262811 PMAQI
16th May 20263112 AMAQI
16th May 2026441 AMAQI
16th May 2026442 AMAQI
16th May 2026403 AMAQI
16th May 2026444 AMAQI
24°C15/32°C
16th May 2026365 AMAQI
16th May 2026406 AMAQI
16th May 2026467 AMAQI
16th May 2026498 AMAQI
16th May 2026559 AMAQI
16th May 20265810 AMAQI
16th May 20267111 AMAQI
16th May 20268512 PMAQI
16th May 2026721 PMAQI
16th May 2026602 PMAQI
16th May 2026543 PMAQI
16th May 2026644 PMAQI
16th May 2026745 PMAQI
16th May 2026766 PMAQI
16th May 2026447 PMAQI
16th May 2026448 PMAQI
16th May 2026349 PMAQI
16th May 20263410 PMAQI
16th May 20263611 PMAQI
17th May 20264212 AMAQI
17th May 2026421 AMAQI
17th May 2026462 AMAQI
17th May 2026403 AMAQI
17th May 2026524 AMAQI
22°C16/29°C
17th May 2026515 AMAQI
17th May 2026546 AMAQI
17th May 2026567 AMAQI
17th May 2026488 AMAQI
17th May 2026429 AMAQI
17th May 20265010 AMAQI
17th May 20266411 AMAQI
17th May 20266712 PMAQI
17th May 2026721 PMAQI
17th May 2026862 PMAQI
17th May 2026853 PMAQI
17th May 2026884 PMAQI
17th May 2026875 PMAQI
17th May 2026656 PMAQI
17th May 2026607 PMAQI
17th May 2026558 PMAQI
17th May 2026429 PMAQI
17th May 20264610 PMAQI
17th May 20265611 PMAQI
18th May 20264912 AMAQI
18th May 2026531 AMAQI
18th May 2026462 AMAQI
18th May 2026523 AMAQI
18th May 2026554 AMAQI
20°C15/27°C
18th May 2026525 AMAQI
18th May 2026556 AMAQI
18th May 2026507 AMAQI
18th May 2026568 AMAQI
18th May 2026449 AMAQI
18th May 20264910 AMAQI
18th May 20263811 AMAQI
18th May 20265512 PMAQI
18th May 2026591 PMAQI
18th May 2026582 PMAQI
18th May 2026553 PMAQI
18th May 2026624 PMAQI
18th May 2026605 PMAQI
18th May 2026646 PMAQI
18th May 2026387 PMAQI
18th May 2026498 PMAQI
18th May 2026429 PMAQI
18th May 20264210 PMAQI
18th May 20265511 PMAQI
19th May 20265412 AMAQI
19th May 2026401 AMAQI
19th May 2026322 AMAQI
19th May 2026293 AMAQI
19th May 2026344 AMAQI
21°C13/30°C
19th May 2026385 AMAQI
19th May 2026446 AMAQI
19th May 2026487 AMAQI
19th May 2026538 AMAQI
19th May 2026479 AMAQI
19th May 20264710 AMAQI
19th May 20264411 AMAQI
19th May 20266212 PMAQI
19th May 2026661 PMAQI
19th May 2026582 PMAQI
19th May 2026583 PMAQI
19th May 2026544 PMAQI
19th May 2026475 PMAQI
19th May 2026416 PMAQI
19th May 2026407 PMAQI
19th May 2026408 PMAQI
19th May 2026409 PMAQI
19th May 20263510 PMAQI
19th May 20263211 PMAQI
20th May 20263812 AMAQI
20th May 2026401 AMAQI
20th May 2026402 AMAQI
20th May 2026303 AMAQI
20th May 2026224 AMAQI
23°C12/32°C
20th May 2026245 AMAQI
20th May 2026426 AMAQI
20th May 2026467 AMAQI
20th May 2026488 AMAQI
20th May 2026549 AMAQI
20th May 20265610 AMAQI
20th May 20265411 AMAQI
20th May 20264412 PMAQI
20th May 2026651 PMAQI
20th May 2026562 PMAQI
20th May 2026423 PMAQI
20th May 2026564 PMAQI
20th May 2026585 PMAQI
20th May 2026626 PMAQI
20th May 2026607 PMAQI
20th May 2026608 PMAQI
20th May 2026609 PMAQI
20th May 20266010 PMAQI
20th May 20265311 PMAQI
21st May 20264612 AMAQI
21st May 2026461 AMAQI
21st May 2026442 AMAQI
21st May 2026323 AMAQI
21st May 2026274 AMAQI
24°C16/33°C
21st May 2026195 AMAQI
21st May 2026236 AMAQI
21st May 2026187 AMAQI
21st May 2026368 AMAQI
21st May 2026519 AMAQI
21st May 20264010 AMAQI
21st May 20264811 AMAQI
21st May 20266412 PMAQI
21st May 2026571 PMAQI
21st May 2026512 PMAQI
21st May 2026523 PMAQI
21st May 2026544 PMAQI
21st May 2026465 PMAQI
21st May 2026496 PMAQI
21st May 2026387 PMAQI
21st May 2026388 PMAQI
21st May 2026389 PMAQI
21st May 20263810 PMAQI
21st May 20263811 PMAQI
22nd May 20263812 AMAQI
22nd May 2026381 AMAQI
22nd May 2026382 AMAQI
22nd May 2026383 AMAQI
22nd May 2026364 AMAQI
25°C14/35°C
22nd May 2026275 AMAQI
22nd May 2026276 AMAQI
22nd May 2026317 AMAQI
22nd May 2026528 AMAQI
22nd May 2026609 AMAQI
22nd May 20266010 AMAQI
22nd May 20265611 AMAQI
22nd May 20268212 PMAQI
22nd May 2026821 PMAQI
22nd May 2026602 PMAQI
22nd May 2026583 PMAQI
22nd May 2026524 PMAQI
22nd May 2026565 PMAQI
22nd May 2026666 PMAQI
22nd May 2026717 PMAQI
22nd May 2026718 PMAQI
22nd May 2026719 PMAQI
22nd May 20267110 PMAQI
22nd May 20267111 PMAQI
23rd May 20265312 AMAQI
23rd May 2026311 AMAQI
23rd May 2026362 AMAQI
23rd May 2026343 AMAQI
23rd May 2026254 AMAQI
26°C16/35°C
23rd May 2026245 AMAQI
23rd May 2026256 AMAQI
23rd May 2026337 AMAQI
23rd May 2026388 AMAQI
23rd May 2026449 AMAQI
23rd May 20265310 AMAQI
23rd May 20265411 AMAQI
23rd May 20266412 PMAQI
23rd May 2026691 PMAQI
23rd May 2026502 PMAQI
23rd May 2026483 PMAQI
23rd May 2026464 PMAQI
23rd May 2026605 PMAQI
23rd May 2026636 PMAQI
23rd May 2026667 PMAQI
23rd May 2026668 PMAQI
23rd May 2026669 PMAQI
23rd May 20266610 PMAQI
23rd May 20265011 PMAQI
24th May 20262412 AMAQI
24th May 2026301 AMAQI
24th May 2026462 AMAQI
24th May 2026363 AMAQI
24th May 2026294 AMAQI
22°C13/32°C
24th May 2026365 AMAQI
24th May 2026276 AMAQI
24th May 2026387 AMAQI
24th May 2026428 AMAQI
24th May 2026179 AMAQI
24th May 2026910 AMAQI
24th May 20261111 AMAQI
24th May 20264212 PMAQI
24th May 2026521 PMAQI
24th May 2026362 PMAQI
24th May 2026403 PMAQI
24th May 2026574 PMAQI
24th May 2026425 PMAQI
24th May 2026506 PMAQI
24th May 2026587 PMAQI
24th May 2026588 PMAQI
24th May 2026589 PMAQI
24th May 20265810 PMAQI
24th May 20265011 PMAQI
25th May 20263412 AMAQI
25th May 2026481 AMAQI
25th May 2026362 AMAQI
25th May 2026253 AMAQI
25th May 2026234 AMAQI
22°C12/32°C
25th May 2026295 AMAQI
25th May 2026306 AMAQI
25th May 2026307 AMAQI
25th May 2026348 AMAQI
25th May 2026389 AMAQI
25th May 20263010 AMAQI
25th May 20263811 AMAQI
25th May 20265212 PMAQI
25th May 2026501 PMAQI
25th May 2026522 PMAQI
25th May 2026483 PMAQI
25th May 2026514 PMAQI
25th May 2026575 PMAQI
25th May 2026586 PMAQI
25th May 2026567 PMAQI
25th May 2026568 PMAQI
25th May 2026559 PMAQI
25th May 20264210 PMAQI
25th May 20262811 PMAQI
26th May 20263612 AMAQI
26th May 2026201 AMAQI
26th May 2026172 AMAQI
26th May 2026143 AMAQI
26th May 2026134 AMAQI
20°C12/30°C
26th May 2026125 AMAQI
26th May 2026186 AMAQI
26th May 2026327 AMAQI
26th May 2026318 AMAQI
26th May 2026179 AMAQI
26th May 20261410 AMAQI
26th May 20262011 AMAQI
26th May 20262112 PMAQI
26th May 2026171 PMAQI
26th May 2026162 PMAQI
26th May 2026103 PMAQI
26th May 2026124 PMAQI
26th May 2026285 PMAQI
26th May 2026206 PMAQI
26th May 2026267 PMAQI
26th May 2026168 PMAQI
26th May 2026159 PMAQI
26th May 20261310 PMAQI
26th May 20261011 PMAQI
27th May 20261212 AMAQI
27th May 2026101 AMAQI
27th May 2026102 AMAQI
27th May 2026123 AMAQI
27th May 202684 AMAQI
17°C11/23°C
27th May 2026225 AMAQI
27th May 2026256 AMAQI
27th May 2026267 AMAQI
27th May 2026388 AMAQI
27th May 2026309 AMAQI
27th May 20263410 AMAQI
27th May 20262611 AMAQI
27th May 20262512 PMAQI
27th May 2026201 PMAQI
27th May 2026152 PMAQI
27th May 2026123 PMAQI
27th May 2026104 PMAQI
27th May 202695 PMAQI
27th May 2026126 PMAQI
27th May 2026107 PMAQI
27th May 2026148 PMAQI
27th May 2026149 PMAQI
27th May 20261210 PMAQI
27th May 20261011 PMAQI
28th May 20261012 AMAQI
28th May 202691 AMAQI
28th May 2026102 AMAQI
28th May 202693 AMAQI
28th May 2026284 AMAQI
16°C9/21°C
28th May 2026285 AMAQI
28th May 2026266 AMAQI
28th May 2026307 AMAQI
28th May 2026298 AMAQI
28th May 2026269 AMAQI
28th May 2026910 AMAQI
28th May 20261011 AMAQI
28th May 20261512 PMAQI
28th May 2026121 PMAQI
28th May 2026112 PMAQI
28th May 2026103 PMAQI
28th May 2026104 PMAQI
28th May 202695 PMAQI
28th May 2026106 PMAQI
28th May 2026207 PMAQI
28th May 2026298 PMAQI
28th May 2026119 PMAQI
28th May 20261110 PMAQI
28th May 20261111 PMAQI
29th May 2026812 AMAQI
29th May 2026161 AMAQI
29th May 2026142 AMAQI
29th May 2026123 AMAQI
29th May 2026134 AMAQI
18°C12/25°C
29th May 2026135 AMAQI
29th May 2026106 AMAQI
29th May 2026117 AMAQI
29th May 2026118 AMAQI
29th May 2026149 AMAQI
29th May 20261210 AMAQI
29th May 20261211 AMAQI
29th May 20261412 PMAQI
29th May 2026141 PMAQI
29th May 2026142 PMAQI
29th May 2026113 PMAQI
29th May 2026104 PMAQI
29th May 202695 PMAQI
29th May 2026106 PMAQI
29th May 2026107 PMAQI
29th May 2026108 PMAQI
29th May 2026129 PMAQI
29th May 20261210 PMAQI
29th May 20261211 PMAQI
30th May 20261212 AMAQI
30th May 2026141 AMAQI
30th May 2026152 AMAQI
30th May 2026143 AMAQI
30th May 2026144 AMAQI
18°C14/24°C
30th May 2026135 AMAQI
30th May 2026126 AMAQI
30th May 2026187 AMAQI
30th May 2026128 AMAQI
30th May 2026149 AMAQI
30th May 20261110 AMAQI
30th May 20261211 AMAQI
30th May 20261712 PMAQI
30th May 2026261 PMAQI
30th May 2026302 PMAQI
30th May 2026203 PMAQI
30th May 2026184 PMAQI
30th May 2026145 PMAQI
30th May 2026146 PMAQI
30th May 2026147 PMAQI
30th May 2026178 PMAQI
30th May 2026149 PMAQI
30th May 20261310 PMAQI
30th May 20261211 PMAQI
31st May 20261212 AMAQI
31st May 2026111 AMAQI
31st May 2026142 AMAQI
31st May 2026143 AMAQI
31st May 2026144 AMAQI
21°C13/28°C
31st May 2026145 AMAQI
31st May 2026106 AMAQI
31st May 2026117 AMAQI
31st May 2026108 AMAQI
31st May 2026109 AMAQI
31st May 20261110 AMAQI
31st May 2026911 AMAQI
31st May 20261012 PMAQI
31st May 2026101 PMAQI
31st May 2026102 PMAQI
31st May 2026103 PMAQI
31st May 2026284 PMAQI
31st May 2026305 PMAQI
31st May 2026346 PMAQI
31st May 2026347 PMAQI
31st May 2026228 PMAQI
31st May 202699 PMAQI
31st May 2026810 PMAQI
31st May 2026811 PMAQI
1st Jun 20261812 AMAQI
1st Jun 2026141 AMAQI
1st Jun 2026122 AMAQI
1st Jun 2026123 AMAQI
1st Jun 2026114 AMAQI
24°C14/33°C
1st Jun 2026125 AMAQI
1st Jun 2026136 AMAQI
1st Jun 2026147 AMAQI
1st Jun 2026258 AMAQI
1st Jun 2026209 AMAQI
1st Jun 20262610 AMAQI
1st Jun 20261311 AMAQI
1st Jun 20261012 PMAQI
1st Jun 2026101 PMAQI
1st Jun 2026112 PMAQI
1st Jun 2026103 PMAQI
1st Jun 2026104 PMAQI
1st Jun 2026115 PMAQI
1st Jun 2026196 PMAQI
1st Jun 2026107 PMAQI
1st Jun 2026118 PMAQI
1st Jun 2026109 PMAQI
1st Jun 20261010 PMAQI
1st Jun 20261211 PMAQI
2nd Jun 20261412 AMAQI
2nd Jun 2026121 AMAQI
2nd Jun 2026122 AMAQI
2nd Jun 2026133 AMAQI
2nd Jun 2026124 AMAQI
24°C13/34°C
2nd Jun 2026145 AMAQI
5 AM2nd Jun 2026166 AMAQI
2nd Jun 2026187 AMAQI
2nd Jun 2026188 AMAQI
2nd Jun 2026199 AMAQI
2nd Jun 20262010 AMAQI
2nd Jun 20262211 AMAQI
2nd Jun 20262212 PMAQI
12 PM2nd Jun 2026241 PMAQI
2nd Jun 2026262 PMAQI
2nd Jun 2026283 PMAQI
2nd Jun 2026324 PMAQI
2nd Jun 2026225 PMAQI
2nd Jun 2026206 PMAQI
2nd Jun 2026177 PMAQI
2nd Jun 2026188 PMAQI
8 PM2nd Jun 2026189 PMAQI
2nd Jun 20262010 PMAQI
2nd Jun 20261911 PMAQI
12 AM
4 AM
25°C13/35°C
Day time
Avg. Highest Time
12 PM
45AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM - 6 AM
23AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 12 PM (Avg. 45), while the lowest AQI was between 5 AM to 6 AM (Avg. 23).
Night time
Avg. Highest Time
9 PM
34AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM - 4 AM
23AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 9 PM (Avg. 34), while the lowest AQI was between 3 AM to 4 AM (Avg. 23).
2026 Days Vs Air Quality
Colusa, California, United States
2026
95%
142
5%
8
Total number of days with different AQI categories in last 153 days in 2026 (212 days remaining)
Good
142 DaysModerate
8 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 153 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 2026
AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
23AQI (US)
23AQI (US)
2nd January 2026
15AQI (US)
15AQI (US)
3rd January 2026
22AQI (US)
22AQI (US)
4th January 2026
13AQI (US)
13AQI (US)
5th January 2026
20AQI (US)
20AQI (US)
6th January 2026
12AQI (US)
12AQI (US)
7th January 2026
16AQI (US)
16AQI (US)
8th January 2026
11AQI (US)
11AQI (US)
9th January 2026
15AQI (US)
15AQI (US)
10th January 2026
45AQI (US)
45AQI (US)
11th January 2026
63AQI (US)
63AQI (US)
12th January 2026
52AQI (US)
52AQI (US)
13th January 2026
45AQI (US)
45AQI (US)
14th January 2026
53AQI (US)
53AQI (US)
15th January 2026
46AQI (US)
46AQI (US)
16th January 2026
47AQI (US)
47AQI (US)
17th January 2026
51AQI (US)
51AQI (US)
18th January 2026
37AQI (US)
37AQI (US)
19th January 2026
41AQI (US)
41AQI (US)
20th January 2026
30AQI (US)
30AQI (US)
21st January 2026
32AQI (US)
32AQI (US)
22nd January 2026
33AQI (US)
33AQI (US)
23rd January 2026
30AQI (US)
30AQI (US)
24th January 2026
37AQI (US)
37AQI (US)
25th January 2026
26AQI (US)
26AQI (US)
26th January 2026
24AQI (US)
24AQI (US)
27th January 2026
23AQI (US)
23AQI (US)
28th January 2026
34AQI (US)
34AQI (US)
29th January 2026
34AQI (US)
34AQI (US)
30th January 2026
40AQI (US)
40AQI (US)
31st January 2026
23AQI (US)
23AQI (US)
1st February 2026
31AQI (US)
31AQI (US)
2nd February 2026
25AQI (US)
25AQI (US)
3rd February 2026
27AQI (US)
27AQI (US)
4th February 2026
26AQI (US)
26AQI (US)
5th February 2026
28AQI (US)
28AQI (US)
6th February 2026
30AQI (US)
30AQI (US)
7th February 2026
27AQI (US)
27AQI (US)
8th February 2026
25AQI (US)
25AQI (US)
9th February 2026
38AQI (US)
38AQI (US)
10th February 2026
28AQI (US)
28AQI (US)
11th February 2026
38AQI (US)
38AQI (US)
12th February 2026
43AQI (US)
43AQI (US)
13th February 2026
30AQI (US)
30AQI (US)
14th February 2026
26AQI (US)
26AQI (US)
15th February 2026
25AQI (US)
25AQI (US)
16th February 2026
43AQI (US)
43AQI (US)
17th February 2026
48AQI (US)
48AQI (US)
18th February 2026
43AQI (US)
43AQI (US)
19th February 2026
42AQI (US)
42AQI (US)
20th February 2026
29AQI (US)
29AQI (US)
21st February 2026
24AQI (US)
24AQI (US)
22nd February 2026
26AQI (US)
26AQI (US)
23rd February 2026
25AQI (US)
25AQI (US)
24th February 2026
28AQI (US)
28AQI (US)
25th February 2026
39AQI (US)
39AQI (US)
26th February 2026
26AQI (US)
26AQI (US)
27th February 2026
22AQI (US)
22AQI (US)
28th February 2026
33AQI (US)
33AQI (US)
1st March 2026
27AQI (US)
27AQI (US)
2nd March 2026
43AQI (US)
43AQI (US)
3rd March 2026
20AQI (US)
20AQI (US)
4th March 2026
26AQI (US)
26AQI (US)
5th March 2026
30AQI (US)
30AQI (US)
6th March 2026
26AQI (US)
26AQI (US)
7th March 2026
26AQI (US)
26AQI (US)
8th March 2026
18AQI (US)
18AQI (US)
9th March 2026
16AQI (US)
16AQI (US)
10th March 2026
24AQI (US)
24AQI (US)
11th March 2026
23AQI (US)
23AQI (US)
12th March 2026
19AQI (US)
19AQI (US)
13th March 2026
23AQI (US)
23AQI (US)
14th March 2026
19AQI (US)
19AQI (US)
15th March 2026
22AQI (US)
22AQI (US)
16th March 2026
21AQI (US)
21AQI (US)
17th March 2026
22AQI (US)
22AQI (US)
18th March 2026
20AQI (US)
20AQI (US)
19th March 2026
26AQI (US)
26AQI (US)
20th March 2026
27AQI (US)
27AQI (US)
21st March 2026
24AQI (US)
24AQI (US)
22nd March 2026
16AQI (US)
16AQI (US)
23rd March 2026
21AQI (US)
21AQI (US)
24th March 2026
26AQI (US)
26AQI (US)
25th March 2026
22AQI (US)
22AQI (US)
26th March 2026
26AQI (US)
26AQI (US)
27th March 2026
20AQI (US)
20AQI (US)
28th March 2026
29AQI (US)
29AQI (US)
29th March 2026
19AQI (US)
19AQI (US)
30th March 2026
27AQI (US)
27AQI (US)
31st March 2026
21AQI (US)
21AQI (US)
1st April 2026
22AQI (US)
22AQI (US)
2nd April 2026
20AQI (US)
20AQI (US)
3rd April 2026
22AQI (US)
22AQI (US)
4th April 2026
22AQI (US)
22AQI (US)
5th April 2026
21AQI (US)
21AQI (US)
6th April 2026
22AQI (US)
22AQI (US)
7th April 2026
25AQI (US)
25AQI (US)
8th April 2026
32AQI (US)
32AQI (US)
9th April 2026
20AQI (US)
20AQI (US)
10th April 2026
28AQI (US)
28AQI (US)
11th April 2026
34AQI (US)
34AQI (US)
12th April 2026
30AQI (US)
30AQI (US)
13th April 2026
34AQI (US)
34AQI (US)
14th April 2026
20AQI (US)
20AQI (US)
15th April 2026
18AQI (US)
18AQI (US)
16th April 2026
19AQI (US)
19AQI (US)
17th April 2026
18th April 2026
20AQI (US)
20AQI (US)
19th April 2026
22AQI (US)
22AQI (US)
20th April 2026
16AQI (US)
16AQI (US)
21st April 2026
26AQI (US)
26AQI (US)
22nd April 2026
23rd April 2026
24AQI (US)
24AQI (US)
24th April 2026
15AQI (US)
15AQI (US)
25th April 2026
18AQI (US)
18AQI (US)
26th April 2026
15AQI (US)
15AQI (US)
27th April 2026
16AQI (US)
16AQI (US)
28th April 2026
16AQI (US)
16AQI (US)
29th April 2026
16AQI (US)
16AQI (US)
30th April 2026
22AQI (US)
22AQI (US)
1st May 2026
32AQI (US)
32AQI (US)
2nd May 2026
25AQI (US)
25AQI (US)
3rd May 2026
19AQI (US)
19AQI (US)
4th May 2026
23AQI (US)
23AQI (US)
5th May 2026
28AQI (US)
28AQI (US)
6th May 2026
17AQI (US)
17AQI (US)
7th May 2026
20AQI (US)
20AQI (US)
8th May 2026
24AQI (US)
24AQI (US)
9th May 2026
10th May 2026
26AQI (US)
26AQI (US)
11th May 2026
29AQI (US)
29AQI (US)
12th May 2026
39AQI (US)
39AQI (US)
13th May 2026
32AQI (US)
32AQI (US)
14th May 2026
30AQI (US)
30AQI (US)
15th May 2026
38AQI (US)
38AQI (US)
16th May 2026
52AQI (US)
52AQI (US)
17th May 2026
58AQI (US)
58AQI (US)
18th May 2026
52AQI (US)
52AQI (US)
19th May 2026
45AQI (US)
45AQI (US)
20th May 2026
49AQI (US)
49AQI (US)
21st May 2026
42AQI (US)
42AQI (US)
22nd May 2026
55AQI (US)
55AQI (US)
23rd May 2026
48AQI (US)
48AQI (US)
24th May 2026
39AQI (US)
39AQI (US)
25th May 2026
42AQI (US)
42AQI (US)
26th May 2026
19AQI (US)
19AQI (US)
27th May 2026
17AQI (US)
17AQI (US)
28th May 2026
16AQI (US)
16AQI (US)
29th May 2026
12AQI (US)
12AQI (US)
30th May 2026
15AQI (US)
15AQI (US)
31st May 2026
15AQI (US)
15AQI (US)
1st June 2026
14AQI (US)
14AQI (US)
2nd June 2026
19AQI (US)
19AQI (US)
3rd June 2026
4th June 2026
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
32AQI (US)
31AQI (US)
24AQI (US)
22AQI (US)
32AQI (US)
17AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202628AQI (US)
27
4
28
31
28
26
4
2
142
8
Highest AQI (US) recorded in
January32AQI (US)
Lowest AQI (US) recorded in
June17AQI (US)
202534AQI (US)
24
7
27
1
31
30
31
29
1
28
3
28
3
27
3
24
7
21
9
25
6
325
40
Highest AQI (US) recorded in
August40AQI (US)
Lowest AQI (US) recorded in
March23AQI (US)
202434AQI (US)
30
29
31
30
31
27
2
28
3
27
4
26
4
24
7
25
5
22
9
330
34
Highest AQI (US) recorded in
July41AQI (US)
Lowest AQI (US) recorded in
March27AQI (US)
202360AQI (US)
22
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
296
42
1
1
19
Highest AQI (US) recorded in
October132AQI (US)
Lowest AQI (US) recorded in
March28AQI (US)
202236AQI (US)
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 (US) recorded in
January52AQI (US)
Lowest AQI (US) recorded in
July28AQI (US)
202147AQI (US)
20
9
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
90
11
Highest AQI (US) recorded in
August75AQI (US)
Lowest AQI (US) recorded in
November34AQI (US)
202054AQI (US)
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 (US) recorded in
September101AQI (US)
Lowest AQI (US) recorded in
March25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
60AQI (US)Least Polluted Year Recorded
2026(Avg.)
28AQI (US)Colusa's annual 2026 AQI (US) (28) shows an average percentage change of -33.2% (improved AQI (US)) compared to previous years: 2020 (54), 2021 (47), 2022 (36), 2023 (60), 2024 (34), 2025 (34).
