Colfax, 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
Colfax, California, United States
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2026
64AQILowest AQI recorded on
18th Aug 2025
20AQISame Day Analysis (8th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 42 of Good air quality on the same day.
Day & Night AQI Trend: 8th Aug - 9th Aug 2026
Colfax, California, United States
AQI
Day
Night
.
5 AM8th Aug 2026
8 PM
4 AM9th Aug 2026
Day time
Avg. Highest Time
12PM8th Aug
50AQI
Avg. Lowest Time
8PM8th Aug
38AQI
Night time
Avg. Highest Time
4AM9th Aug
48AQI
Avg. Lowest Time
3AM9th Aug
40AQI
In the last 24 hours,
Colfax's AQI reached its highest point of 50 at 12 PM during the Day, while the lowest point, 38, was recorded at 8 PM during the Day between 8th Aug and 9th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Colfax, 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
Day
Night
11th Jul 2026155 AMAQI
11th Jul 2026106 AMAQI
11th Jul 2026107 AMAQI
11th Jul 2026118 AMAQI
11th Jul 2026129 AMAQI
11th Jul 20261510 AMAQI
11th Jul 20261411 AMAQI
11th Jul 20261412 PMAQI
11th Jul 2026141 PMAQI
11th Jul 2026162 PMAQI
11th Jul 2026163 PMAQI
11th Jul 2026184 PMAQI
11th Jul 2026205 PMAQI
11th Jul 2026196 PMAQI
11th Jul 2026137 PMAQI
11th Jul 2026148 PMAQI
11th Jul 2026159 PMAQI
11th Jul 20261410 PMAQI
11th Jul 20261411 PMAQI
12th Jul 20261312 AMAQI
12th Jul 2026131 AMAQI
12th Jul 2026142 AMAQI
12th Jul 2026153 AMAQI
12th Jul 2026144 AMAQI
28°C21/37°C
12th Jul 2026145 AMAQI
12th Jul 2026106 AMAQI
12th Jul 202697 AMAQI
12th Jul 202698 AMAQI
12th Jul 202699 AMAQI
12th Jul 20261210 AMAQI
12th Jul 20262111 AMAQI
12th Jul 20261112 PMAQI
12th Jul 2026111 PMAQI
12th Jul 2026172 PMAQI
12th Jul 2026153 PMAQI
12th Jul 2026124 PMAQI
12th Jul 2026115 PMAQI
12th Jul 2026116 PMAQI
12th Jul 2026137 PMAQI
12th Jul 2026188 PMAQI
12th Jul 2026169 PMAQI
12th Jul 20261910 PMAQI
12th Jul 20261611 PMAQI
13th Jul 20262512 AMAQI
13th Jul 2026241 AMAQI
13th Jul 2026222 AMAQI
13th Jul 2026143 AMAQI
13th Jul 2026144 AMAQI
28°C22/36°C
13th Jul 2026135 AMAQI
13th Jul 2026176 AMAQI
13th Jul 2026147 AMAQI
13th Jul 2026128 AMAQI
13th Jul 2026129 AMAQI
13th Jul 20261810 AMAQI
13th Jul 20261811 AMAQI
13th Jul 20261812 PMAQI
13th Jul 2026191 PMAQI
13th Jul 2026202 PMAQI
13th Jul 2026233 PMAQI
13th Jul 2026224 PMAQI
13th Jul 2026265 PMAQI
13th Jul 2026276 PMAQI
13th Jul 2026267 PMAQI
13th Jul 2026248 PMAQI
13th Jul 2026249 PMAQI
13th Jul 20262310 PMAQI
13th Jul 20262411 PMAQI
14th Jul 20262212 AMAQI
14th Jul 2026231 AMAQI
14th Jul 2026202 AMAQI
14th Jul 2026183 AMAQI
14th Jul 2026184 AMAQI
28°C22/36°C
14th Jul 2026165 AMAQI
14th Jul 2026166 AMAQI
14th Jul 2026157 AMAQI
14th Jul 2026148 AMAQI
14th Jul 2026149 AMAQI
14th Jul 20261410 AMAQI
14th Jul 20261411 AMAQI
14th Jul 20261612 PMAQI
14th Jul 2026171 PMAQI
14th Jul 2026182 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026204 PMAQI
14th Jul 2026215 PMAQI
14th Jul 2026186 PMAQI
14th Jul 2026147 PMAQI
14th Jul 2026138 PMAQI
14th Jul 2026119 PMAQI
14th Jul 2026910 PMAQI
14th Jul 20261111 PMAQI
15th Jul 20261212 AMAQI
15th Jul 2026141 AMAQI
15th Jul 2026142 AMAQI
15th Jul 2026143 AMAQI
15th Jul 2026124 AMAQI
30°C22/38°C
15th Jul 2026125 AMAQI
15th Jul 2026166 AMAQI
15th Jul 2026127 AMAQI
15th Jul 2026158 AMAQI
15th Jul 2026169 AMAQI
15th Jul 20261910 AMAQI
15th Jul 20261811 AMAQI
15th Jul 20261612 PMAQI
15th Jul 2026171 PMAQI
15th Jul 2026142 PMAQI
15th Jul 2026163 PMAQI
15th Jul 2026184 PMAQI
15th Jul 2026185 PMAQI
15th Jul 2026186 PMAQI
15th Jul 2026147 PMAQI
15th Jul 2026168 PMAQI
15th Jul 2026189 PMAQI
15th Jul 20261610 PMAQI
15th Jul 20262011 PMAQI
16th Jul 20261612 AMAQI
16th Jul 2026161 AMAQI
16th Jul 2026162 AMAQI
16th Jul 2026173 AMAQI
16th Jul 2026144 AMAQI
30°C23/38°C
16th Jul 2026145 AMAQI
16th Jul 2026126 AMAQI
16th Jul 2026227 AMAQI
16th Jul 2026148 AMAQI
16th Jul 2026149 AMAQI
16th Jul 20261410 AMAQI
16th Jul 20261611 AMAQI
16th Jul 20262412 PMAQI
16th Jul 2026221 PMAQI
16th Jul 2026202 PMAQI
16th Jul 2026193 PMAQI
16th Jul 2026194 PMAQI
16th Jul 2026195 PMAQI
16th Jul 2026126 PMAQI
16th Jul 2026147 PMAQI
16th Jul 2026148 PMAQI
16th Jul 2026169 PMAQI
16th Jul 20262010 PMAQI
16th Jul 20261911 PMAQI
17th Jul 20261612 AMAQI
17th Jul 2026161 AMAQI
17th Jul 2026422 AMAQI
17th Jul 2026483 AMAQI
17th Jul 2026424 AMAQI
28°C21/36°C
17th Jul 2026425 AMAQI
17th Jul 2026386 AMAQI
17th Jul 2026327 AMAQI
17th Jul 2026448 AMAQI
17th Jul 2026449 AMAQI
17th Jul 20264410 AMAQI
17th Jul 20264211 AMAQI
17th Jul 20264212 PMAQI
17th Jul 2026421 PMAQI
17th Jul 2026422 PMAQI
17th Jul 2026223 PMAQI
17th Jul 2026424 PMAQI
17th Jul 2026385 PMAQI
17th Jul 2026406 PMAQI
17th Jul 2026327 PMAQI
17th Jul 2026558 PMAQI
17th Jul 2026559 PMAQI
17th Jul 20264610 PMAQI
17th Jul 20264411 PMAQI
18th Jul 20263812 AMAQI
18th Jul 2026481 AMAQI
18th Jul 2026542 AMAQI
18th Jul 2026363 AMAQI
18th Jul 2026504 AMAQI
27°C19/35°C
18th Jul 2026445 AMAQI
18th Jul 2026466 AMAQI
18th Jul 2026447 AMAQI
18th Jul 2026348 AMAQI
18th Jul 2026489 AMAQI
18th Jul 20264010 AMAQI
18th Jul 20263811 AMAQI
18th Jul 20263812 PMAQI
18th Jul 2026551 PMAQI
18th Jul 2026532 PMAQI
18th Jul 2026523 PMAQI
18th Jul 2026364 PMAQI
18th Jul 2026515 PMAQI
18th Jul 2026466 PMAQI
18th Jul 2026487 PMAQI
18th Jul 2026508 PMAQI
18th Jul 2026519 PMAQI
18th Jul 20263810 PMAQI
18th Jul 20264611 PMAQI
19th Jul 20264812 AMAQI
19th Jul 2026441 AMAQI
19th Jul 2026422 AMAQI
19th Jul 2026483 AMAQI
19th Jul 2026464 AMAQI
27°C19/34°C
19th Jul 2026425 AMAQI
19th Jul 2026426 AMAQI
19th Jul 2026407 AMAQI
19th Jul 2026368 AMAQI
19th Jul 2026279 AMAQI
19th Jul 20265010 AMAQI
19th Jul 20264211 AMAQI
19th Jul 20264612 PMAQI
19th Jul 2026461 PMAQI
19th Jul 2026422 PMAQI
19th Jul 2026443 PMAQI
19th Jul 2026524 PMAQI
19th Jul 2026425 PMAQI
19th Jul 2026366 PMAQI
19th Jul 2026477 PMAQI
19th Jul 2026468 PMAQI
19th Jul 2026509 PMAQI
19th Jul 20265010 PMAQI
19th Jul 20263611 PMAQI
20th Jul 20263812 AMAQI
20th Jul 2026461 AMAQI
20th Jul 2026512 AMAQI
20th Jul 2026423 AMAQI
20th Jul 2026504 AMAQI
28°C20/35°C
20th Jul 2026425 AMAQI
20th Jul 2026406 AMAQI
20th Jul 2026447 AMAQI
20th Jul 2026518 AMAQI
20th Jul 2026429 AMAQI
20th Jul 20264010 AMAQI
20th Jul 20265011 AMAQI
20th Jul 20264212 PMAQI
20th Jul 2026381 PMAQI
20th Jul 2026442 PMAQI
20th Jul 2026463 PMAQI
20th Jul 2026444 PMAQI
20th Jul 2026405 PMAQI
20th Jul 2026446 PMAQI
20th Jul 2026467 PMAQI
20th Jul 2026509 PMAQI
20th Jul 20265010 PMAQI
20th Jul 20264611 PMAQI
21st Jul 20262712 AMAQI
21st Jul 2026421 AMAQI
21st Jul 2026462 AMAQI
21st Jul 2026523 AMAQI
21st Jul 2026164 AMAQI
28°C20/36°C
21st Jul 2026425 AMAQI
21st Jul 2026426 AMAQI
21st Jul 2026447 AMAQI
21st Jul 2026428 AMAQI
21st Jul 2026509 AMAQI
21st Jul 20265010 AMAQI
21st Jul 20262711 AMAQI
21st Jul 20262112 PMAQI
21st Jul 2026501 PMAQI
21st Jul 2026462 PMAQI
21st Jul 2026443 PMAQI
21st Jul 2026404 PMAQI
21st Jul 2026385 PMAQI
21st Jul 2026446 PMAQI
21st Jul 2026427 PMAQI
21st Jul 2026468 PMAQI
21st Jul 2026369 PMAQI
21st Jul 20265610 PMAQI
21st Jul 20264011 PMAQI
22nd Jul 20265012 AMAQI
22nd Jul 2026401 AMAQI
22nd Jul 2026302 AMAQI
22nd Jul 2026503 AMAQI
22nd Jul 2026304 AMAQI
29°C22/37°C
22nd Jul 2026235 AMAQI
22nd Jul 2026296 AMAQI
22nd Jul 2026407 AMAQI
22nd Jul 2026448 AMAQI
22nd Jul 2026449 AMAQI
22nd Jul 20264210 AMAQI
22nd Jul 20264611 AMAQI
22nd Jul 20262112 PMAQI
22nd Jul 2026501 PMAQI
22nd Jul 2026292 PMAQI
22nd Jul 2026463 PMAQI
22nd Jul 2026364 PMAQI
22nd Jul 2026305 PMAQI
22nd Jul 2026406 PMAQI
22nd Jul 2026637 PMAQI
22nd Jul 2026428 PMAQI
22nd Jul 2026409 PMAQI
22nd Jul 20265210 PMAQI
22nd Jul 20264211 PMAQI
23rd Jul 20261912 AMAQI
23rd Jul 2026241 AMAQI
23rd Jul 2026202 AMAQI
23rd Jul 2026323 AMAQI
23rd Jul 2026204 AMAQI
25°C18/32°C
23rd Jul 2026255 AMAQI
23rd Jul 2026466 AMAQI
23rd Jul 2026467 AMAQI
23rd Jul 2026768 AMAQI
23rd Jul 2026409 AMAQI
23rd Jul 20265210 AMAQI
23rd Jul 20262011 AMAQI
23rd Jul 20262012 PMAQI
23rd Jul 2026401 PMAQI
23rd Jul 2026442 PMAQI
23rd Jul 2026513 PMAQI
23rd Jul 2026444 PMAQI
23rd Jul 2026445 PMAQI
23rd Jul 2026386 PMAQI
23rd Jul 2026367 PMAQI
23rd Jul 2026258 PMAQI
23rd Jul 2026529 PMAQI
23rd Jul 20265410 PMAQI
23rd Jul 20265311 PMAQI
24th Jul 20264612 AMAQI
24th Jul 2026421 AMAQI
24th Jul 2026402 AMAQI
24th Jul 2026403 AMAQI
24th Jul 2026364 AMAQI
25°C17/34°C
24th Jul 2026445 AMAQI
24th Jul 2026426 AMAQI
24th Jul 2026427 AMAQI
24th Jul 2026668 AMAQI
24th Jul 2026389 AMAQI
24th Jul 20264610 AMAQI
24th Jul 20265411 AMAQI
24th Jul 20265012 PMAQI
24th Jul 2026251 PMAQI
24th Jul 2026382 PMAQI
24th Jul 2026523 PMAQI
24th Jul 2026504 PMAQI
24th Jul 2026495 PMAQI
24th Jul 2026466 PMAQI
24th Jul 2026407 PMAQI
24th Jul 2026508 PMAQI
24th Jul 2026509 PMAQI
24th Jul 20264610 PMAQI
24th Jul 20265911 PMAQI
25th Jul 20264612 AMAQI
25th Jul 2026821 AMAQI
25th Jul 2026822 AMAQI
25th Jul 2026513 AMAQI
25th Jul 2026444 AMAQI
27°C19/35°C
25th Jul 2026505 AMAQI
25th Jul 2026446 AMAQI
25th Jul 2026707 AMAQI
25th Jul 2026388 AMAQI
25th Jul 2026519 AMAQI
25th Jul 20264610 AMAQI
25th Jul 20264611 AMAQI
25th Jul 20263612 PMAQI
25th Jul 2026481 PMAQI
25th Jul 2026342 PMAQI
25th Jul 2026523 PMAQI
25th Jul 2026464 PMAQI
25th Jul 2026345 PMAQI
25th Jul 2026276 PMAQI
25th Jul 2026467 PMAQI
25th Jul 2026468 PMAQI
25th Jul 2026469 PMAQI
25th Jul 20263810 PMAQI
25th Jul 20265011 PMAQI
26th Jul 20264612 AMAQI
26th Jul 2026491 AMAQI
26th Jul 2026422 AMAQI
26th Jul 2026403 AMAQI
26th Jul 2026404 AMAQI
27°C19/35°C
26th Jul 2026445 AMAQI
26th Jul 2026386 AMAQI
26th Jul 2026337 AMAQI
26th Jul 2026428 AMAQI
26th Jul 202699 AMAQI
26th Jul 20264210 AMAQI
26th Jul 20264611 AMAQI
26th Jul 20263412 PMAQI
26th Jul 2026381 PMAQI
26th Jul 2026342 PMAQI
26th Jul 2026463 PMAQI
26th Jul 2026234 PMAQI
26th Jul 2026365 PMAQI
26th Jul 2026426 PMAQI
26th Jul 2026277 PMAQI
26th Jul 2026348 PMAQI
26th Jul 2026509 PMAQI
26th Jul 20263410 PMAQI
26th Jul 20265011 PMAQI
27th Jul 20265612 AMAQI
27th Jul 2026401 AMAQI
27th Jul 2026462 AMAQI
27th Jul 2026513 AMAQI
27th Jul 2026464 AMAQI
27°C20/35°C
27th Jul 2026465 AMAQI
27th Jul 2026406 AMAQI
27th Jul 2026447 AMAQI
27th Jul 2026508 AMAQI
27th Jul 2026469 AMAQI
27th Jul 20265010 AMAQI
27th Jul 20265211 AMAQI
27th Jul 20265212 PMAQI
27th Jul 2026551 PMAQI
27th Jul 2026462 PMAQI
27th Jul 2026523 PMAQI
27th Jul 2026394 PMAQI
27th Jul 2026425 PMAQI
27th Jul 2026466 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026469 PMAQI
27th Jul 20263410 PMAQI
27th Jul 20265211 PMAQI
28th Jul 20265412 AMAQI
28th Jul 2026531 AMAQI
28th Jul 2026502 AMAQI
28th Jul 2026403 AMAQI
28th Jul 2026404 AMAQI
26°C19/34°C
28th Jul 2026465 AMAQI
28th Jul 2026386 AMAQI
28th Jul 2026527 AMAQI
28th Jul 2026328 AMAQI
28th Jul 2026489 AMAQI
28th Jul 20264210 AMAQI
28th Jul 20264211 AMAQI
28th Jul 20264012 PMAQI
28th Jul 2026441 PMAQI
28th Jul 2026322 PMAQI
28th Jul 2026483 PMAQI
28th Jul 2026384 PMAQI
28th Jul 2026245 PMAQI
28th Jul 2026426 PMAQI
28th Jul 2026477 PMAQI
28th Jul 2026468 PMAQI
28th Jul 2026429 PMAQI
28th Jul 20264610 PMAQI
28th Jul 20265411 PMAQI
29th Jul 20264612 AMAQI
29th Jul 2026421 AMAQI
29th Jul 2026402 AMAQI
29th Jul 2026523 AMAQI
29th Jul 2026404 AMAQI
26°C19/35°C
29th Jul 2026445 AMAQI
29th Jul 2026426 AMAQI
29th Jul 2026447 AMAQI
29th Jul 2026468 AMAQI
29th Jul 2026409 AMAQI
29th Jul 20264010 AMAQI
29th Jul 20263611 AMAQI
29th Jul 20265012 PMAQI
29th Jul 2026381 PMAQI
29th Jul 2026362 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026424 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026507 PMAQI
29th Jul 2026428 PMAQI
29th Jul 2026489 PMAQI
29th Jul 20264810 PMAQI
29th Jul 20264611 PMAQI
30th Jul 20264212 AMAQI
30th Jul 2026461 AMAQI
30th Jul 2026522 AMAQI
30th Jul 2026563 AMAQI
30th Jul 2026514 AMAQI
27°C19/35°C
30th Jul 2026505 AMAQI
30th Jul 2026426 AMAQI
30th Jul 2026447 AMAQI
30th Jul 2026428 AMAQI
30th Jul 2026429 AMAQI
30th Jul 20264210 AMAQI
30th Jul 20265811 AMAQI
30th Jul 20264612 PMAQI
30th Jul 2026501 PMAQI
30th Jul 2026462 PMAQI
30th Jul 2026513 PMAQI
30th Jul 2026384 PMAQI
30th Jul 2026445 PMAQI
30th Jul 2026386 PMAQI
30th Jul 2026627 PMAQI
30th Jul 2026468 PMAQI
30th Jul 2026589 PMAQI
30th Jul 20265210 PMAQI
30th Jul 20265511 PMAQI
31st Jul 20265212 AMAQI
31st Jul 2026461 AMAQI
31st Jul 2026462 AMAQI
31st Jul 2026463 AMAQI
31st Jul 2026404 AMAQI
28°C21/36°C
31st Jul 2026495 AMAQI
31st Jul 2026486 AMAQI
31st Jul 2026557 AMAQI
31st Jul 2026548 AMAQI
31st Jul 2026589 AMAQI
31st Jul 20266210 AMAQI
31st Jul 20267011 AMAQI
31st Jul 20266212 PMAQI
31st Jul 2026671 PMAQI
31st Jul 2026642 PMAQI
31st Jul 2026643 PMAQI
31st Jul 2026584 PMAQI
31st Jul 2026595 PMAQI
31st Jul 2026566 PMAQI
31st Jul 2026427 PMAQI
31st Jul 2026468 PMAQI
31st Jul 2026509 PMAQI
31st Jul 20264210 PMAQI
31st Jul 20265711 PMAQI
1st Aug 20265312 AMAQI
1st Aug 2026541 AMAQI
1st Aug 2026542 AMAQI
1st Aug 2026533 AMAQI
1st Aug 2026524 AMAQI
29°C22/37°C
1st Aug 2026485 AMAQI
1st Aug 2026446 AMAQI
1st Aug 2026387 AMAQI
1st Aug 2026448 AMAQI
1st Aug 2026509 AMAQI
1st Aug 20264610 AMAQI
1st Aug 20264611 AMAQI
1st Aug 20264012 PMAQI
1st Aug 2026481 PMAQI
1st Aug 2026422 PMAQI
1st Aug 2026443 PMAQI
1st Aug 2026424 PMAQI
1st Aug 2026445 PMAQI
1st Aug 2026406 PMAQI
1st Aug 2026427 PMAQI
1st Aug 2026368 PMAQI
1st Aug 2026449 PMAQI
1st Aug 20264610 PMAQI
1st Aug 20264211 PMAQI
2nd Aug 20264412 AMAQI
2nd Aug 2026441 AMAQI
2nd Aug 2026462 AMAQI
2nd Aug 2026553 AMAQI
2nd Aug 2026534 AMAQI
30°C21/38°C
2nd Aug 2026555 AMAQI
2nd Aug 2026526 AMAQI
2nd Aug 2026407 AMAQI
2nd Aug 2026408 AMAQI
2nd Aug 2026429 AMAQI
2nd Aug 20265010 AMAQI
2nd Aug 20264411 AMAQI
2nd Aug 20264412 PMAQI
2nd Aug 2026441 PMAQI
2nd Aug 2026462 PMAQI
2nd Aug 2026403 PMAQI
2nd Aug 2026504 PMAQI
2nd Aug 2026385 PMAQI
2nd Aug 2026236 PMAQI
2nd Aug 2026467 PMAQI
2nd Aug 2026468 PMAQI
2nd Aug 2026469 PMAQI
2nd Aug 20263810 PMAQI
2nd Aug 20264411 PMAQI
3rd Aug 20264212 AMAQI
3rd Aug 2026441 AMAQI
3rd Aug 2026422 AMAQI
3rd Aug 2026383 AMAQI
3rd Aug 2026404 AMAQI
30°C22/38°C
3rd Aug 2026445 AMAQI
3rd Aug 2026426 AMAQI
3rd Aug 2026407 AMAQI
3rd Aug 2026428 AMAQI
3rd Aug 2026449 AMAQI
3rd Aug 20265010 AMAQI
3rd Aug 20264411 AMAQI
3rd Aug 20265012 PMAQI
3rd Aug 2026531 PMAQI
3rd Aug 2026482 PMAQI
3rd Aug 2026503 PMAQI
3rd Aug 2026524 PMAQI
3rd Aug 2026425 PMAQI
3rd Aug 2026386 PMAQI
3rd Aug 2026427 PMAQI
3rd Aug 2026508 PMAQI
3rd Aug 2026509 PMAQI
3rd Aug 20265010 PMAQI
3rd Aug 20264211 PMAQI
4th Aug 20264012 AMAQI
4th Aug 2026481 AMAQI
4th Aug 2026502 AMAQI
4th Aug 2026483 AMAQI
4th Aug 2026444 AMAQI
30°C22/39°C
4th Aug 2026505 AMAQI
4th Aug 2026466 AMAQI
4th Aug 2026507 AMAQI
4th Aug 2026528 AMAQI
4th Aug 2026509 AMAQI
4th Aug 20264610 AMAQI
4th Aug 20265211 AMAQI
4th Aug 20264812 PMAQI
4th Aug 2026541 PMAQI
4th Aug 2026522 PMAQI
4th Aug 2026483 PMAQI
4th Aug 2026424 PMAQI
4th Aug 2026445 PMAQI
4th Aug 2026566 PMAQI
4th Aug 2026667 PMAQI
4th Aug 2026668 PMAQI
4th Aug 2026659 PMAQI
4th Aug 20265910 PMAQI
4th Aug 20266611 PMAQI
5th Aug 20265912 AMAQI
5th Aug 2026741 AMAQI
5th Aug 2026742 AMAQI
5th Aug 2026783 AMAQI
5th Aug 2026624 AMAQI
30°C23/38°C
5th Aug 2026645 AMAQI
5th Aug 2026596 AMAQI
5th Aug 2026597 AMAQI
5th Aug 2026538 AMAQI
5th Aug 2026629 AMAQI
5th Aug 20266010 AMAQI
5th Aug 20266311 AMAQI
5th Aug 20266812 PMAQI
5th Aug 2026701 PMAQI
5th Aug 2026672 PMAQI
5th Aug 2026883 PMAQI
5th Aug 2026844 PMAQI
5th Aug 2026685 PMAQI
5th Aug 2026636 PMAQI
5th Aug 2026577 PMAQI
5th Aug 2026548 PMAQI
5th Aug 2026499 PMAQI
5th Aug 20265110 PMAQI
5th Aug 20265411 PMAQI
6th Aug 20265812 AMAQI
6th Aug 2026551 AMAQI
6th Aug 2026532 AMAQI
6th Aug 2026583 AMAQI
6th Aug 2026524 AMAQI
29°C22/37°C
6th Aug 2026465 AMAQI
6th Aug 2026406 AMAQI
6th Aug 2026447 AMAQI
6th Aug 2026428 AMAQI
6th Aug 2026509 AMAQI
6th Aug 20265210 AMAQI
6th Aug 20265811 AMAQI
6th Aug 20266412 PMAQI
6th Aug 2026661 PMAQI
6th Aug 2026682 PMAQI
6th Aug 2026853 PMAQI
6th Aug 2026754 PMAQI
6th Aug 2026805 PMAQI
6th Aug 2026736 PMAQI
6th Aug 2026587 PMAQI
6th Aug 2026588 PMAQI
6th Aug 2026629 PMAQI
6th Aug 20266210 PMAQI
6th Aug 20266011 PMAQI
7th Aug 20265812 AMAQI
7th Aug 2026551 AMAQI
7th Aug 2026532 AMAQI
7th Aug 2026543 AMAQI
7th Aug 2026464 AMAQI
30°C21/39°C
7th Aug 2026515 AMAQI
7th Aug 2026496 AMAQI
7th Aug 2026507 AMAQI
7th Aug 2026518 AMAQI
7th Aug 2026489 AMAQI
7th Aug 20265310 AMAQI
7th Aug 20265011 AMAQI
7th Aug 20264612 PMAQI
7th Aug 2026511 PMAQI
7th Aug 2026402 PMAQI
7th Aug 2026363 PMAQI
7th Aug 2026464 PMAQI
7th Aug 2026445 PMAQI
7th Aug 2026486 PMAQI
7th Aug 2026487 PMAQI
7th Aug 2026368 PMAQI
7th Aug 2026389 PMAQI
7th Aug 20263610 PMAQI
7th Aug 20264611 PMAQI
8th Aug 20264612 AMAQI
8th Aug 2026401 AMAQI
8th Aug 2026402 AMAQI
8th Aug 2026383 AMAQI
8th Aug 2026424 AMAQI
31°C24/40°C
8th Aug 2026425 AMAQI
8th Aug 2026446 AMAQI
8th Aug 2026407 AMAQI
8th Aug 2026388 AMAQI
8th Aug 2026469 AMAQI
8th Aug 20264210 AMAQI
8th Aug 20264011 AMAQI
8th Aug 20265012 PMAQI
8th Aug 2026401 PMAQI
8th Aug 2026422 PMAQI
8th Aug 2026423 PMAQI
8th Aug 2026404 PMAQI
8th Aug 2026485 PMAQI
8th Aug 2026426 PMAQI
8th Aug 2026387 PMAQI
8th Aug 2026388 PMAQI
8th Aug 2026449 PMAQI
8th Aug 20264410 PMAQI
8th Aug 20264011 PMAQI
9th Aug 20264612 AMAQI
9th Aug 2026421 AMAQI
9th Aug 2026422 AMAQI
9th Aug 2026403 AMAQI
9th Aug 2026484 AMAQI
31°C25/38°C
9th Aug 2026445 AMAQI
5 AM9th Aug 2026406 AMAQI
9th Aug 2026407 AMAQI
9th Aug 2026428 AMAQI
9th Aug 2026449 AMAQI
9th Aug 20264210 AMAQI
9th Aug 20264011 AMAQI
9th Aug 20264012 PMAQI
12 PM9th Aug 2026511 PMAQI
9th Aug 2026522 PMAQI
9th Aug 2026483 PMAQI
9th Aug 2026484 PMAQI
9th Aug 2026515 PMAQI
9th Aug 2026546 PMAQI
9th Aug 2026467 PMAQI
9th Aug 2026368 PMAQI
8 PM9th Aug 2026409 PMAQI
9th Aug 20263710 PMAQI
9th Aug 20265211 PMAQI
12 AM
4 AM
31°C23/40°C
Day time
Avg. Highest Time
3 PM
43AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM
37AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 3 PM (Avg. 43), while the lowest AQI was between 6 AM to 6 AM (Avg. 37).
Night time
Avg. Highest Time
11 PM
43AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM
37AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 43), while the lowest AQI was between 4 AM to 4 AM (Avg. 37).
2026 Days Vs Air Quality
Colfax, California, United States
2026
98%
213
2%
4
Total number of days with different AQI categories in last 221 days in 2026 (144 days remaining)
Good
213 DaysModerate
4 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2026, 98% of 221 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
Colfax, 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
26AQI (US)
26AQI (US)
2nd January 2026
16AQI (US)
16AQI (US)
3rd January 2026
17AQI (US)
17AQI (US)
4th January 2026
18AQI (US)
18AQI (US)
5th January 2026
23AQI (US)
23AQI (US)
6th January 2026
28AQI (US)
28AQI (US)
7th January 2026
28AQI (US)
28AQI (US)
8th January 2026
21AQI (US)
21AQI (US)
9th January 2026
27AQI (US)
27AQI (US)
10th January 2026
33AQI (US)
33AQI (US)
11th January 2026
32AQI (US)
32AQI (US)
12th January 2026
32AQI (US)
32AQI (US)
13th January 2026
30AQI (US)
30AQI (US)
14th January 2026
38AQI (US)
38AQI (US)
15th January 2026
34AQI (US)
34AQI (US)
16th January 2026
30AQI (US)
30AQI (US)
17th January 2026
34AQI (US)
34AQI (US)
18th January 2026
32AQI (US)
32AQI (US)
19th January 2026
37AQI (US)
37AQI (US)
20th January 2026
32AQI (US)
32AQI (US)
21st January 2026
30AQI (US)
30AQI (US)
22nd January 2026
42AQI (US)
42AQI (US)
23rd January 2026
44AQI (US)
44AQI (US)
24th January 2026
38AQI (US)
38AQI (US)
25th January 2026
34AQI (US)
34AQI (US)
26th January 2026
36AQI (US)
36AQI (US)
27th January 2026
33AQI (US)
33AQI (US)
28th January 2026
38AQI (US)
38AQI (US)
29th January 2026
47AQI (US)
47AQI (US)
30th January 2026
48AQI (US)
48AQI (US)
31st January 2026
37AQI (US)
37AQI (US)
1st February 2026
39AQI (US)
39AQI (US)
2nd February 2026
40AQI (US)
40AQI (US)
3rd February 2026
37AQI (US)
37AQI (US)
4th February 2026
38AQI (US)
38AQI (US)
5th February 2026
36AQI (US)
36AQI (US)
6th February 2026
35AQI (US)
35AQI (US)
7th February 2026
32AQI (US)
32AQI (US)
8th February 2026
35AQI (US)
35AQI (US)
9th February 2026
36AQI (US)
36AQI (US)
10th February 2026
25AQI (US)
25AQI (US)
11th February 2026
42AQI (US)
42AQI (US)
12th February 2026
40AQI (US)
40AQI (US)
13th February 2026
32AQI (US)
32AQI (US)
14th February 2026
29AQI (US)
29AQI (US)
15th February 2026
26AQI (US)
26AQI (US)
16th February 2026
42AQI (US)
42AQI (US)
17th February 2026
48AQI (US)
48AQI (US)
18th February 2026
42AQI (US)
42AQI (US)
19th February 2026
44AQI (US)
44AQI (US)
20th February 2026
29AQI (US)
29AQI (US)
21st February 2026
25AQI (US)
25AQI (US)
22nd February 2026
28AQI (US)
28AQI (US)
23rd February 2026
29AQI (US)
29AQI (US)
24th February 2026
35AQI (US)
35AQI (US)
25th February 2026
39AQI (US)
39AQI (US)
26th February 2026
20AQI (US)
20AQI (US)
27th February 2026
23AQI (US)
23AQI (US)
28th February 2026
18AQI (US)
18AQI (US)
1st March 2026
27AQI (US)
27AQI (US)
2nd March 2026
40AQI (US)
40AQI (US)
3rd March 2026
18AQI (US)
18AQI (US)
4th March 2026
30AQI (US)
30AQI (US)
5th March 2026
29AQI (US)
29AQI (US)
6th March 2026
22AQI (US)
22AQI (US)
7th March 2026
30AQI (US)
30AQI (US)
8th March 2026
20AQI (US)
20AQI (US)
9th March 2026
17AQI (US)
17AQI (US)
10th March 2026
22AQI (US)
22AQI (US)
11th March 2026
24AQI (US)
24AQI (US)
12th March 2026
18AQI (US)
18AQI (US)
13th March 2026
22AQI (US)
22AQI (US)
14th March 2026
16AQI (US)
16AQI (US)
15th March 2026
16AQI (US)
16AQI (US)
16th March 2026
20AQI (US)
20AQI (US)
17th March 2026
24AQI (US)
24AQI (US)
18th March 2026
21AQI (US)
21AQI (US)
19th March 2026
23AQI (US)
23AQI (US)
20th March 2026
27AQI (US)
27AQI (US)
21st March 2026
20AQI (US)
20AQI (US)
22nd March 2026
17AQI (US)
17AQI (US)
23rd March 2026
19AQI (US)
19AQI (US)
24th March 2026
17AQI (US)
17AQI (US)
25th March 2026
18AQI (US)
18AQI (US)
26th March 2026
26AQI (US)
26AQI (US)
27th March 2026
17AQI (US)
17AQI (US)
28th March 2026
21AQI (US)
21AQI (US)
29th March 2026
18AQI (US)
18AQI (US)
30th March 2026
24AQI (US)
24AQI (US)
31st March 2026
20AQI (US)
20AQI (US)
1st April 2026
28AQI (US)
28AQI (US)
2nd April 2026
25AQI (US)
25AQI (US)
3rd April 2026
19AQI (US)
19AQI (US)
4th April 2026
19AQI (US)
19AQI (US)
5th April 2026
19AQI (US)
19AQI (US)
6th April 2026
22AQI (US)
22AQI (US)
7th April 2026
20AQI (US)
20AQI (US)
8th April 2026
28AQI (US)
28AQI (US)
9th April 2026
22AQI (US)
22AQI (US)
10th April 2026
30AQI (US)
30AQI (US)
11th April 2026
33AQI (US)
33AQI (US)
12th April 2026
28AQI (US)
28AQI (US)
13th April 2026
32AQI (US)
32AQI (US)
14th April 2026
29AQI (US)
29AQI (US)
15th April 2026
23AQI (US)
23AQI (US)
16th April 2026
21AQI (US)
21AQI (US)
17th April 2026
18th April 2026
16AQI (US)
16AQI (US)
19th April 2026
15AQI (US)
15AQI (US)
20th April 2026
18AQI (US)
18AQI (US)
21st April 2026
29AQI (US)
29AQI (US)
22nd April 2026
23rd April 2026
24AQI (US)
24AQI (US)
24th April 2026
18AQI (US)
18AQI (US)
25th April 2026
15AQI (US)
15AQI (US)
26th April 2026
14AQI (US)
14AQI (US)
27th April 2026
14AQI (US)
14AQI (US)
28th April 2026
15AQI (US)
15AQI (US)
29th April 2026
16AQI (US)
16AQI (US)
30th April 2026
19AQI (US)
19AQI (US)
1st May 2026
20AQI (US)
20AQI (US)
2nd May 2026
17AQI (US)
17AQI (US)
3rd May 2026
15AQI (US)
15AQI (US)
4th May 2026
27AQI (US)
27AQI (US)
5th May 2026
33AQI (US)
33AQI (US)
6th May 2026
20AQI (US)
20AQI (US)
7th May 2026
17AQI (US)
17AQI (US)
8th May 2026
19AQI (US)
19AQI (US)
9th May 2026
10th May 2026
20AQI (US)
20AQI (US)
11th May 2026
20AQI (US)
20AQI (US)
12th May 2026
24AQI (US)
24AQI (US)
13th May 2026
21AQI (US)
21AQI (US)
14th May 2026
22AQI (US)
22AQI (US)
15th May 2026
25AQI (US)
25AQI (US)
16th May 2026
33AQI (US)
33AQI (US)
17th May 2026
32AQI (US)
32AQI (US)
18th May 2026
29AQI (US)
29AQI (US)
19th May 2026
24AQI (US)
24AQI (US)
20th May 2026
26AQI (US)
26AQI (US)
21st May 2026
26AQI (US)
26AQI (US)
22nd May 2026
25AQI (US)
25AQI (US)
23rd May 2026
22AQI (US)
22AQI (US)
24th May 2026
24AQI (US)
24AQI (US)
25th May 2026
20AQI (US)
20AQI (US)
26th May 2026
16AQI (US)
16AQI (US)
27th May 2026
24AQI (US)
24AQI (US)
28th May 2026
23AQI (US)
23AQI (US)
29th May 2026
17AQI (US)
17AQI (US)
30th May 2026
11AQI (US)
11AQI (US)
31st May 2026
17AQI (US)
17AQI (US)
1st June 2026
16AQI (US)
16AQI (US)
2nd June 2026
15AQI (US)
15AQI (US)
3rd June 2026
16AQI (US)
16AQI (US)
4th June 2026
13AQI (US)
13AQI (US)
5th June 2026
16AQI (US)
16AQI (US)
6th June 2026
17AQI (US)
17AQI (US)
7th June 2026
14AQI (US)
14AQI (US)
8th June 2026
15AQI (US)
15AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
15AQI (US)
15AQI (US)
11th June 2026
16AQI (US)
16AQI (US)
12th June 2026
17AQI (US)
17AQI (US)
13th June 2026
13AQI (US)
13AQI (US)
14th June 2026
14AQI (US)
14AQI (US)
15th June 2026
16AQI (US)
16AQI (US)
16th June 2026
17AQI (US)
17AQI (US)
17th June 2026
17AQI (US)
17AQI (US)
18th June 2026
18AQI (US)
18AQI (US)
19th June 2026
17AQI (US)
17AQI (US)
20th June 2026
19AQI (US)
19AQI (US)
21st June 2026
16AQI (US)
16AQI (US)
22nd June 2026
16AQI (US)
16AQI (US)
23rd June 2026
14AQI (US)
14AQI (US)
24th June 2026
15AQI (US)
15AQI (US)
25th June 2026
16AQI (US)
16AQI (US)
26th June 2026
13AQI (US)
13AQI (US)
27th June 2026
27AQI (US)
27AQI (US)
28th June 2026
15AQI (US)
15AQI (US)
29th June 2026
18AQI (US)
18AQI (US)
30th June 2026
14AQI (US)
14AQI (US)
1st July 2026
22AQI (US)
22AQI (US)
2nd July 2026
23AQI (US)
23AQI (US)
3rd July 2026
18AQI (US)
18AQI (US)
4th July 2026
15AQI (US)
15AQI (US)
5th July 2026
22AQI (US)
22AQI (US)
6th July 2026
19AQI (US)
19AQI (US)
7th July 2026
18AQI (US)
18AQI (US)
8th July 2026
15AQI (US)
15AQI (US)
9th July 2026
16AQI (US)
16AQI (US)
10th July 2026
20AQI (US)
20AQI (US)
11th July 2026
15AQI (US)
15AQI (US)
12th July 2026
13AQI (US)
13AQI (US)
13th July 2026
20AQI (US)
20AQI (US)
14th July 2026
16AQI (US)
16AQI (US)
15th July 2026
16AQI (US)
16AQI (US)
16th July 2026
17AQI (US)
17AQI (US)
17th July 2026
40AQI (US)
40AQI (US)
18th July 2026
45AQI (US)
45AQI (US)
19th July 2026
44AQI (US)
44AQI (US)
20th July 2026
45AQI (US)
45AQI (US)
21st July 2026
41AQI (US)
41AQI (US)
22nd July 2026
40AQI (US)
40AQI (US)
23rd July 2026
38AQI (US)
38AQI (US)
24th July 2026
45AQI (US)
45AQI (US)
25th July 2026
48AQI (US)
48AQI (US)
26th July 2026
38AQI (US)
38AQI (US)
27th July 2026
45AQI (US)
45AQI (US)
28th July 2026
43AQI (US)
43AQI (US)
29th July 2026
41AQI (US)
41AQI (US)
30th July 2026
48AQI (US)
48AQI (US)
31st July 2026
54AQI (US)
54AQI (US)
1st August 2026
46AQI (US)
46AQI (US)
2nd August 2026
45AQI (US)
45AQI (US)
3rd August 2026
45AQI (US)
45AQI (US)
4th August 2026
52AQI (US)
52AQI (US)
5th August 2026
64AQI (US)
64AQI (US)
6th August 2026
59AQI (US)
59AQI (US)
7th August 2026
47AQI (US)
47AQI (US)
8th August 2026
42AQI (US)
42AQI (US)
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)
34AQI (US)
22AQI (US)
22AQI (US)
22AQI (US)
16AQI (US)
30AQI (US)
50AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202626AQI (US)
31
28
31
28
30
30
30
1
5
3
213
4
Highest AQI (US) recorded in
August50AQI (US)
Lowest AQI (US) recorded in
June16AQI (US)
202534AQI (US)
6
30
31
30
27
4
31
30
28
3
30
25
6
268
13
Highest AQI (US) recorded in
October43AQI (US)
Lowest AQI (US) recorded in
May24AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Most Polluted Year Recorded
2025(Avg.)
34AQI (US)Least Polluted Year Recorded
2026(Avg.)
26AQI (US)Colfax's annual 2026 AQI (US) (26) shows an average percentage change of -23.5% (improved AQI (US)) compared to previous years: 2025 (34).
