Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Ukiah, 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

Ukiah, California, United States

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
30th Aug 2023
116AQI
Lowest AQI recorded on
17th Aug 2024
16AQI

Same Day Analysis (6th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 45 of Good air quality, showing improvement over 2023 on the same day.

Day & Night AQI Trend: 5th Aug - 6th Aug 2026

Ukiah, California, United States

AQI
Day
Night
.

6 AM5th Aug 2026

8 PM

5 AM6th Aug 2026

Day time
Avg. Highest Time
4PM5th Aug

51AQI

Avg. Lowest Time
11AM5th Aug

41AQI

Night time
Avg. Highest Time
10PM5th Aug

51AQI

Avg. Lowest Time
1AM6th Aug

42AQI

In the last 24 hours,

Ukiah's AQI reached its highest point of 51 at 4 PM during the Day, while the lowest point, 41, was recorded at 11 AM during the Day between 5th Aug and 6th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Ukiah, California, United States

JulAug
08th - 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 - 03rd03rd - 04th04th - 05th05th - 06th06th
Day
Night
8th Jul 2026126 AMAQI
8th Jul 2026137 AMAQI
8th Jul 2026128 AMAQI
8th Jul 2026189 AMAQI
8th Jul 20261910 AMAQI
8th Jul 20262011 AMAQI
8th Jul 20261912 PMAQI
8th Jul 2026211 PMAQI
8th Jul 2026232 PMAQI
8th Jul 2026443 PMAQI
8th Jul 2026614 PMAQI
8th Jul 2026575 PMAQI
8th Jul 2026416 PMAQI
8th Jul 2026407 PMAQI
8th Jul 2026308 PMAQI
8th Jul 2026289 PMAQI
8th Jul 20262510 PMAQI
8th Jul 20262611 PMAQI
9th Jul 20262512 AMAQI
9th Jul 2026231 AMAQI
9th Jul 2026202 AMAQI
9th Jul 2026193 AMAQI
9th Jul 2026184 AMAQI
9th Jul 2026175 AMAQI

23°C13/34°C

9th Jul 2026176 AMAQI
9th Jul 2026177 AMAQI
9th Jul 2026218 AMAQI
9th Jul 2026269 AMAQI
9th Jul 20262310 AMAQI
9th Jul 20262711 AMAQI
9th Jul 20262712 PMAQI
9th Jul 2026301 PMAQI
9th Jul 2026582 PMAQI
9th Jul 2026503 PMAQI
9th Jul 2026454 PMAQI
9th Jul 2026355 PMAQI
9th Jul 2026296 PMAQI
9th Jul 2026257 PMAQI
9th Jul 2026248 PMAQI
9th Jul 2026249 PMAQI
9th Jul 20262210 PMAQI
9th Jul 20262511 PMAQI
10th Jul 20262212 AMAQI
10th Jul 2026231 AMAQI
10th Jul 2026212 AMAQI
10th Jul 2026203 AMAQI
10th Jul 2026194 AMAQI
10th Jul 2026185 AMAQI

26°C15/38°C

10th Jul 2026186 AMAQI
10th Jul 2026187 AMAQI
10th Jul 2026218 AMAQI
10th Jul 2026259 AMAQI
10th Jul 20262610 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262712 PMAQI
10th Jul 2026311 PMAQI
10th Jul 2026352 PMAQI
10th Jul 2026353 PMAQI
10th Jul 2026434 PMAQI
10th Jul 2026455 PMAQI
10th Jul 2026436 PMAQI
10th Jul 2026337 PMAQI
10th Jul 2026388 PMAQI
10th Jul 2026329 PMAQI
10th Jul 20262710 PMAQI
10th Jul 20262311 PMAQI
11th Jul 20262212 AMAQI
11th Jul 2026211 AMAQI
11th Jul 2026202 AMAQI
11th Jul 2026193 AMAQI
11th Jul 2026184 AMAQI
11th Jul 2026185 AMAQI

25°C16/35°C

11th Jul 2026146 AMAQI
11th Jul 2026147 AMAQI
11th Jul 2026148 AMAQI
11th Jul 2026149 AMAQI
11th Jul 20261510 AMAQI
11th Jul 20261611 AMAQI
11th Jul 20261812 PMAQI
11th Jul 2026181 PMAQI
11th Jul 2026182 PMAQI
11th Jul 2026203 PMAQI
11th Jul 2026204 PMAQI
11th Jul 2026185 PMAQI
11th Jul 2026186 PMAQI
11th Jul 2026187 PMAQI
11th Jul 2026188 PMAQI
11th Jul 2026209 PMAQI
11th Jul 20262010 PMAQI
11th Jul 20262111 PMAQI
12th Jul 20262112 AMAQI
12th Jul 2026201 AMAQI
12th Jul 2026192 AMAQI
12th Jul 2026173 AMAQI
12th Jul 2026174 AMAQI
12th Jul 2026185 AMAQI

25°C14/35°C

12th Jul 2026126 AMAQI
12th Jul 2026127 AMAQI
12th Jul 2026148 AMAQI
12th Jul 2026159 AMAQI
12th Jul 20261210 AMAQI
12th Jul 20261311 AMAQI
12th Jul 20261312 PMAQI
12th Jul 2026121 PMAQI
12th Jul 2026122 PMAQI
12th Jul 2026123 PMAQI
12th Jul 2026134 PMAQI
12th Jul 2026125 PMAQI
12th Jul 2026136 PMAQI
12th Jul 2026127 PMAQI
12th Jul 2026158 PMAQI
12th Jul 2026169 PMAQI
12th Jul 20261810 PMAQI
12th Jul 20261411 PMAQI
13th Jul 20261612 AMAQI
13th Jul 2026161 AMAQI
13th Jul 2026162 AMAQI
13th Jul 2026153 AMAQI
13th Jul 2026134 AMAQI
13th Jul 2026125 AMAQI

28°C19/39°C

13th Jul 2026126 AMAQI
13th Jul 2026127 AMAQI
13th Jul 2026158 AMAQI
13th Jul 2026189 AMAQI
13th Jul 20262210 AMAQI
13th Jul 20262211 AMAQI
13th Jul 20262112 PMAQI
13th Jul 2026211 PMAQI
13th Jul 2026242 PMAQI
13th Jul 2026263 PMAQI
13th Jul 2026264 PMAQI
13th Jul 2026275 PMAQI
13th Jul 2026206 PMAQI
13th Jul 2026237 PMAQI
13th Jul 2026258 PMAQI
13th Jul 2026259 PMAQI
13th Jul 20262510 PMAQI
13th Jul 20262711 PMAQI
14th Jul 20262612 AMAQI
14th Jul 2026251 AMAQI
14th Jul 2026232 AMAQI
14th Jul 2026223 AMAQI
14th Jul 2026224 AMAQI
14th Jul 2026215 AMAQI

29°C18/41°C

14th Jul 2026216 AMAQI
14th Jul 2026217 AMAQI
14th Jul 2026228 AMAQI
14th Jul 2026279 AMAQI
14th Jul 20262810 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262712 PMAQI
14th Jul 2026261 PMAQI
14th Jul 2026232 PMAQI
14th Jul 2026243 PMAQI
14th Jul 2026234 PMAQI
14th Jul 2026205 PMAQI
14th Jul 2026196 PMAQI
14th Jul 2026187 PMAQI
14th Jul 2026188 PMAQI
14th Jul 2026199 PMAQI
14th Jul 20262410 PMAQI
14th Jul 20262511 PMAQI
15th Jul 20262212 AMAQI
15th Jul 2026181 AMAQI
15th Jul 2026142 AMAQI
15th Jul 2026143 AMAQI
15th Jul 2026154 AMAQI
15th Jul 2026145 AMAQI

29°C19/41°C

15th Jul 2026146 AMAQI
15th Jul 2026137 AMAQI
15th Jul 2026198 AMAQI
15th Jul 2026229 AMAQI
15th Jul 20262110 AMAQI
15th Jul 20262511 AMAQI
15th Jul 20262612 PMAQI
15th Jul 2026251 PMAQI
15th Jul 2026252 PMAQI
15th Jul 2026223 PMAQI
15th Jul 2026234 PMAQI
15th Jul 2026215 PMAQI
15th Jul 2026206 PMAQI
15th Jul 2026207 PMAQI
15th Jul 2026188 PMAQI
15th Jul 2026189 PMAQI
15th Jul 20261910 PMAQI
15th Jul 20261811 PMAQI
16th Jul 20261812 AMAQI
16th Jul 2026171 AMAQI
16th Jul 2026162 AMAQI
16th Jul 2026153 AMAQI
16th Jul 2026104 AMAQI
16th Jul 2026145 AMAQI

28°C17/37°C

16th Jul 2026166 AMAQI
16th Jul 2026147 AMAQI
16th Jul 2026208 AMAQI
16th Jul 2026229 AMAQI
16th Jul 20261910 AMAQI
16th Jul 20261811 AMAQI
16th Jul 20261712 PMAQI
16th Jul 2026201 PMAQI
16th Jul 2026212 PMAQI
16th Jul 2026223 PMAQI
16th Jul 2026244 PMAQI
16th Jul 2026235 PMAQI
16th Jul 2026246 PMAQI
16th Jul 2026247 PMAQI
16th Jul 2026238 PMAQI
16th Jul 2026229 PMAQI
16th Jul 20262210 PMAQI
16th Jul 20262411 PMAQI
17th Jul 20262712 AMAQI
17th Jul 2026241 AMAQI
17th Jul 2026442 AMAQI
17th Jul 2026433 AMAQI
17th Jul 2026464 AMAQI
17th Jul 2026445 AMAQI

24°C17/32°C

17th Jul 2026436 AMAQI
17th Jul 2026427 AMAQI
17th Jul 2026368 AMAQI
17th Jul 2026469 AMAQI
17th Jul 20264710 AMAQI
17th Jul 20264211 AMAQI
17th Jul 20264312 PMAQI
17th Jul 2026471 PMAQI
17th Jul 2026442 PMAQI
17th Jul 2026483 PMAQI
17th Jul 2026524 PMAQI
17th Jul 2026505 PMAQI
17th Jul 2026476 PMAQI
17th Jul 2026387 PMAQI
17th Jul 2026458 PMAQI
17th Jul 2026509 PMAQI
17th Jul 20264610 PMAQI
17th Jul 20264311 PMAQI
18th Jul 20264312 AMAQI
18th Jul 2026481 AMAQI
18th Jul 2026452 AMAQI
18th Jul 2026503 AMAQI
18th Jul 2026474 AMAQI
18th Jul 2026445 AMAQI

24°C13/35°C

18th Jul 2026496 AMAQI
18th Jul 2026487 AMAQI
18th Jul 2026488 AMAQI
18th Jul 2026429 AMAQI
18th Jul 20265010 AMAQI
18th Jul 20263911 AMAQI
18th Jul 20265912 PMAQI
18th Jul 2026611 PMAQI
18th Jul 2026412 PMAQI
18th Jul 2026523 PMAQI
18th Jul 2026284 PMAQI
18th Jul 2026595 PMAQI
18th Jul 2026536 PMAQI
18th Jul 2026577 PMAQI
18th Jul 2026608 PMAQI
18th Jul 2026569 PMAQI
18th Jul 20265010 PMAQI
18th Jul 20265611 PMAQI
19th Jul 20263712 AMAQI
19th Jul 2026521 AMAQI
19th Jul 2026252 AMAQI
19th Jul 2026393 AMAQI
19th Jul 2026494 AMAQI
19th Jul 2026525 AMAQI

25°C13/37°C

19th Jul 2026516 AMAQI
19th Jul 2026427 AMAQI
19th Jul 2026458 AMAQI
19th Jul 2026519 AMAQI
19th Jul 20263710 AMAQI
19th Jul 20264711 AMAQI
19th Jul 20265012 PMAQI
19th Jul 2026421 PMAQI
19th Jul 2026422 PMAQI
19th Jul 2026413 PMAQI
19th Jul 2026514 PMAQI
19th Jul 2026445 PMAQI
19th Jul 2026486 PMAQI
19th Jul 2026377 PMAQI
19th Jul 2026348 PMAQI
19th Jul 2026279 PMAQI
19th Jul 20263810 PMAQI
19th Jul 20264611 PMAQI
20th Jul 20263312 AMAQI
20th Jul 2026411 AMAQI
20th Jul 2026392 AMAQI
20th Jul 2026283 AMAQI
20th Jul 2026244 AMAQI
20th Jul 2026475 AMAQI

26°C14/39°C

20th Jul 2026326 AMAQI
20th Jul 2026467 AMAQI
20th Jul 2026368 AMAQI
20th Jul 2026599 AMAQI
20th Jul 20263710 AMAQI
20th Jul 20264811 AMAQI
20th Jul 20265612 PMAQI
20th Jul 2026561 PMAQI
20th Jul 2026362 PMAQI
20th Jul 2026563 PMAQI
20th Jul 2026454 PMAQI
20th Jul 2026405 PMAQI
20th Jul 2026386 PMAQI
20th Jul 2026407 PMAQI
20th Jul 2026519 PMAQI
20th Jul 20265010 PMAQI
20th Jul 20264611 PMAQI
21st Jul 20262312 AMAQI
21st Jul 2026421 AMAQI
21st Jul 2026462 AMAQI
21st Jul 2026173 AMAQI
21st Jul 2026174 AMAQI
21st Jul 2026425 AMAQI

26°C18/36°C

21st Jul 2026426 AMAQI
21st Jul 2026427 AMAQI
21st Jul 2026428 AMAQI
21st Jul 2026509 AMAQI
21st Jul 20264610 AMAQI
21st Jul 20264811 AMAQI
21st Jul 20265212 PMAQI
21st Jul 2026501 PMAQI
21st Jul 2026482 PMAQI
21st Jul 2026483 PMAQI
21st Jul 2026484 PMAQI
21st Jul 2026505 PMAQI
21st Jul 2026496 PMAQI
21st Jul 2026467 PMAQI
21st Jul 2026478 PMAQI
21st Jul 2026569 PMAQI
21st Jul 20266210 PMAQI
21st Jul 20266011 PMAQI
22nd Jul 20265112 AMAQI
22nd Jul 2026361 AMAQI
22nd Jul 2026462 AMAQI
22nd Jul 2026503 AMAQI
22nd Jul 2026464 AMAQI
22nd Jul 2026145 AMAQI

29°C19/40°C

22nd Jul 2026426 AMAQI
22nd Jul 2026367 AMAQI
22nd Jul 2026468 AMAQI
22nd Jul 2026469 AMAQI
22nd Jul 20264610 AMAQI
22nd Jul 20265011 AMAQI
22nd Jul 20265212 PMAQI
22nd Jul 2026511 PMAQI
22nd Jul 2026352 PMAQI
22nd Jul 2026383 PMAQI
22nd Jul 2026284 PMAQI
22nd Jul 2026295 PMAQI
22nd Jul 2026306 PMAQI
22nd Jul 2026207 PMAQI
22nd Jul 2026168 PMAQI
22nd Jul 2026169 PMAQI
22nd Jul 20261510 PMAQI
22nd Jul 20261411 PMAQI
23rd Jul 20261212 AMAQI
23rd Jul 2026231 AMAQI
23rd Jul 2026162 AMAQI
23rd Jul 2026123 AMAQI
23rd Jul 2026114 AMAQI
23rd Jul 2026105 AMAQI

23°C17/30°C

23rd Jul 2026106 AMAQI
23rd Jul 2026107 AMAQI
23rd Jul 2026478 AMAQI
23rd Jul 2026489 AMAQI
23rd Jul 20264410 AMAQI
23rd Jul 20261611 AMAQI
23rd Jul 20262112 PMAQI
23rd Jul 2026461 PMAQI
23rd Jul 2026662 PMAQI
23rd Jul 2026443 PMAQI
23rd Jul 2026294 PMAQI
23rd Jul 2026435 PMAQI
23rd Jul 2026396 PMAQI
23rd Jul 2026287 PMAQI
23rd Jul 2026358 PMAQI
23rd Jul 2026639 PMAQI
23rd Jul 20265610 PMAQI
23rd Jul 20265211 PMAQI
24th Jul 20264112 AMAQI
24th Jul 2026381 AMAQI
24th Jul 2026502 AMAQI
24th Jul 2026533 AMAQI
24th Jul 2026414 AMAQI
24th Jul 2026565 AMAQI

23°C14/32°C

24th Jul 2026546 AMAQI
24th Jul 2026347 AMAQI
24th Jul 2026728 AMAQI
24th Jul 2026509 AMAQI
24th Jul 20265010 AMAQI
24th Jul 20265611 AMAQI
24th Jul 20265612 PMAQI
24th Jul 2026281 PMAQI
24th Jul 2026402 PMAQI
24th Jul 2026523 PMAQI
24th Jul 2026514 PMAQI
24th Jul 2026345 PMAQI
24th Jul 2026416 PMAQI
24th Jul 2026397 PMAQI
24th Jul 2026508 PMAQI
24th Jul 2026519 PMAQI
24th Jul 20263510 PMAQI
24th Jul 20264911 PMAQI
25th Jul 20264612 AMAQI
25th Jul 2026461 AMAQI
25th Jul 2026522 AMAQI
25th Jul 2026423 AMAQI
25th Jul 2026374 AMAQI
25th Jul 2026465 AMAQI

23°C14/34°C

25th Jul 2026466 AMAQI
25th Jul 2026467 AMAQI
25th Jul 2026468 AMAQI
25th Jul 2026509 AMAQI
25th Jul 20264510 AMAQI
25th Jul 20264611 AMAQI
25th Jul 20263812 PMAQI
25th Jul 2026461 PMAQI
25th Jul 2026342 PMAQI
25th Jul 2026503 PMAQI
25th Jul 2026344 PMAQI
25th Jul 2026305 PMAQI
25th Jul 2026456 PMAQI
25th Jul 2026247 PMAQI
25th Jul 2026358 PMAQI
25th Jul 2026469 PMAQI
25th Jul 20263510 PMAQI
25th Jul 20262011 PMAQI
26th Jul 20264412 AMAQI
26th Jul 2026411 AMAQI
26th Jul 2026462 AMAQI
26th Jul 2026503 AMAQI
26th Jul 2026304 AMAQI
26th Jul 2026505 AMAQI

23°C15/32°C

26th Jul 2026506 AMAQI
26th Jul 2026497 AMAQI
26th Jul 2026468 AMAQI
26th Jul 2026139 AMAQI
26th Jul 20264210 AMAQI
26th Jul 20264611 AMAQI
26th Jul 20264212 PMAQI
26th Jul 2026371 PMAQI
26th Jul 2026432 PMAQI
26th Jul 2026463 PMAQI
26th Jul 2026274 PMAQI
26th Jul 2026395 PMAQI
26th Jul 2026356 PMAQI
26th Jul 2026417 PMAQI
26th Jul 2026348 PMAQI
26th Jul 2026509 PMAQI
26th Jul 20263710 PMAQI
26th Jul 20265211 PMAQI
27th Jul 20263812 AMAQI
27th Jul 2026541 AMAQI
27th Jul 2026462 AMAQI
27th Jul 2026353 AMAQI
27th Jul 2026384 AMAQI
27th Jul 2026365 AMAQI

23°C14/34°C

27th Jul 2026506 AMAQI
27th Jul 2026507 AMAQI
27th Jul 2026528 AMAQI
27th Jul 2026469 AMAQI
27th Jul 20265010 AMAQI
27th Jul 20265611 AMAQI
27th Jul 20265412 PMAQI
27th Jul 2026601 PMAQI
27th Jul 2026462 PMAQI
27th Jul 2026543 PMAQI
27th Jul 2026264 PMAQI
27th Jul 2026525 PMAQI
27th Jul 2026396 PMAQI
27th Jul 2026397 PMAQI
27th Jul 2026308 PMAQI
27th Jul 2026469 PMAQI
27th Jul 20263210 PMAQI
27th Jul 20264711 PMAQI
28th Jul 20264712 AMAQI
28th Jul 2026451 AMAQI
28th Jul 2026462 AMAQI
28th Jul 2026463 AMAQI
28th Jul 2026424 AMAQI
28th Jul 2026505 AMAQI

23°C15/34°C

28th Jul 2026446 AMAQI
28th Jul 2026227 AMAQI
28th Jul 2026438 AMAQI
28th Jul 2026469 AMAQI
28th Jul 20264410 AMAQI
28th Jul 20265411 AMAQI
28th Jul 20264612 PMAQI
28th Jul 2026431 PMAQI
28th Jul 2026412 PMAQI
28th Jul 2026453 PMAQI
28th Jul 2026334 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026386 PMAQI
28th Jul 2026507 PMAQI
28th Jul 2026448 PMAQI
28th Jul 2026489 PMAQI
28th Jul 20265010 PMAQI
28th Jul 20264211 PMAQI
29th Jul 20264312 AMAQI
29th Jul 2026491 AMAQI
29th Jul 2026272 AMAQI
29th Jul 2026503 AMAQI
29th Jul 2026464 AMAQI
29th Jul 2026455 AMAQI

25°C17/34°C

29th Jul 2026476 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026368 AMAQI
29th Jul 2026509 AMAQI
29th Jul 20263210 AMAQI
29th Jul 20263711 AMAQI
29th Jul 20264712 PMAQI
29th Jul 2026431 PMAQI
29th Jul 2026392 PMAQI
29th Jul 2026513 PMAQI
29th Jul 2026394 PMAQI
29th Jul 2026405 PMAQI
29th Jul 2026426 PMAQI
29th Jul 2026507 PMAQI
29th Jul 2026358 PMAQI
29th Jul 2026419 PMAQI
29th Jul 20264110 PMAQI
29th Jul 20264711 PMAQI
30th Jul 20264712 AMAQI
30th Jul 2026431 AMAQI
30th Jul 2026432 AMAQI
30th Jul 2026493 AMAQI
30th Jul 2026454 AMAQI
30th Jul 2026445 AMAQI

25°C18/35°C

30th Jul 2026416 AMAQI
30th Jul 2026457 AMAQI
30th Jul 2026468 AMAQI
30th Jul 2026479 AMAQI
30th Jul 20264110 AMAQI
30th Jul 20264211 AMAQI
30th Jul 20264112 PMAQI
30th Jul 2026431 PMAQI
30th Jul 2026402 PMAQI
30th Jul 2026433 PMAQI
30th Jul 2026464 PMAQI
30th Jul 2026525 PMAQI
30th Jul 2026596 PMAQI
30th Jul 2026777 PMAQI
30th Jul 2026898 PMAQI
30th Jul 2026779 PMAQI
30th Jul 20265410 PMAQI
30th Jul 20268511 PMAQI
31st Jul 20267812 AMAQI
31st Jul 2026751 AMAQI
31st Jul 2026682 AMAQI
31st Jul 2026683 AMAQI
31st Jul 2026694 AMAQI
31st Jul 2026665 AMAQI

25°C16/36°C

31st Jul 2026706 AMAQI
31st Jul 2026707 AMAQI
31st Jul 2026678 AMAQI
31st Jul 2026999 AMAQI
31st Jul 20268810 AMAQI
31st Jul 202610611 AMAQI
31st Jul 20269812 PMAQI
31st Jul 20261071 PMAQI
31st Jul 20261032 PMAQI
31st Jul 2026933 PMAQI
31st Jul 2026854 PMAQI
31st Jul 2026705 PMAQI
31st Jul 2026676 PMAQI
31st Jul 2026587 PMAQI
31st Jul 2026528 PMAQI
31st Jul 2026539 PMAQI
31st Jul 20265210 PMAQI
31st Jul 20265311 PMAQI
1st Aug 20265312 AMAQI
1st Aug 2026501 AMAQI
1st Aug 2026502 AMAQI
1st Aug 2026533 AMAQI
1st Aug 2026544 AMAQI
1st Aug 2026525 AMAQI

26°C15/38°C

1st Aug 2026456 AMAQI
1st Aug 2026467 AMAQI
1st Aug 2026468 AMAQI
1st Aug 2026529 AMAQI
1st Aug 20264510 AMAQI
1st Aug 20264711 AMAQI
1st Aug 20265012 PMAQI
1st Aug 2026491 PMAQI
1st Aug 2026492 PMAQI
1st Aug 2026443 PMAQI
1st Aug 2026464 PMAQI
1st Aug 2026405 PMAQI
1st Aug 2026396 PMAQI
1st Aug 2026417 PMAQI
1st Aug 2026458 PMAQI
1st Aug 2026449 PMAQI
1st Aug 20264110 PMAQI
1st Aug 20264511 PMAQI
2nd Aug 20264512 AMAQI
2nd Aug 2026451 AMAQI
2nd Aug 2026462 AMAQI
2nd Aug 2026443 AMAQI
2nd Aug 2026454 AMAQI
2nd Aug 2026435 AMAQI

27°C17/38°C

2nd Aug 2026436 AMAQI
2nd Aug 2026457 AMAQI
2nd Aug 2026458 AMAQI
2nd Aug 2026489 AMAQI
2nd Aug 20265210 AMAQI
2nd Aug 20265111 AMAQI
2nd Aug 20264712 PMAQI
2nd Aug 2026491 PMAQI
2nd Aug 2026512 PMAQI
2nd Aug 2026493 PMAQI
2nd Aug 2026504 PMAQI
2nd Aug 2026505 PMAQI
2nd Aug 2026466 PMAQI
2nd Aug 2026447 PMAQI
2nd Aug 2026478 PMAQI
2nd Aug 2026509 PMAQI
2nd Aug 20265310 PMAQI
2nd Aug 20265611 PMAQI
3rd Aug 20265612 AMAQI
3rd Aug 2026541 AMAQI
3rd Aug 2026522 AMAQI
3rd Aug 2026523 AMAQI
3rd Aug 2026524 AMAQI
3rd Aug 2026535 AMAQI

28°C18/39°C

3rd Aug 2026506 AMAQI
3rd Aug 2026497 AMAQI
3rd Aug 2026468 AMAQI
3rd Aug 2026529 AMAQI
3rd Aug 20265310 AMAQI
3rd Aug 20265311 AMAQI
3rd Aug 20265512 PMAQI
3rd Aug 2026541 PMAQI
3rd Aug 2026612 PMAQI
3rd Aug 2026563 PMAQI
3rd Aug 2026554 PMAQI
3rd Aug 2026545 PMAQI
3rd Aug 2026576 PMAQI
3rd Aug 2026587 PMAQI
3rd Aug 2026578 PMAQI
3rd Aug 2026579 PMAQI
3rd Aug 20265810 PMAQI
3rd Aug 20265611 PMAQI
4th Aug 20265312 AMAQI
4th Aug 2026521 AMAQI
4th Aug 2026502 AMAQI
4th Aug 2026483 AMAQI
4th Aug 2026474 AMAQI
4th Aug 2026455 AMAQI

30°C18/43°C

4th Aug 2026446 AMAQI
4th Aug 2026477 AMAQI
4th Aug 2026458 AMAQI
4th Aug 2026459 AMAQI
4th Aug 20265110 AMAQI
4th Aug 20265211 AMAQI
4th Aug 20265112 PMAQI
4th Aug 2026521 PMAQI
4th Aug 2026482 PMAQI
4th Aug 2026463 PMAQI
4th Aug 2026464 PMAQI
4th Aug 2026485 PMAQI
4th Aug 2026476 PMAQI
4th Aug 2026497 PMAQI
4th Aug 2026538 PMAQI
4th Aug 2026499 PMAQI
4th Aug 20264910 PMAQI
4th Aug 20264811 PMAQI
5th Aug 20264812 AMAQI
5th Aug 2026441 AMAQI
5th Aug 2026492 AMAQI
5th Aug 2026493 AMAQI
5th Aug 2026474 AMAQI
5th Aug 2026455 AMAQI

30°C19/42°C

5th Aug 2026476 AMAQI
5th Aug 2026447 AMAQI
5th Aug 2026418 AMAQI
5th Aug 2026469 AMAQI
5th Aug 20264410 AMAQI
5th Aug 20264111 AMAQI
5th Aug 20264612 PMAQI
5th Aug 2026471 PMAQI
5th Aug 2026492 PMAQI
5th Aug 2026483 PMAQI
5th Aug 2026514 PMAQI
5th Aug 2026505 PMAQI
5th Aug 2026476 PMAQI
5th Aug 2026517 PMAQI
5th Aug 2026458 PMAQI
5th Aug 2026459 PMAQI
5th Aug 20265110 PMAQI
5th Aug 20264811 PMAQI
6th Aug 20264412 AMAQI
6th Aug 2026421 AMAQI
6th Aug 2026452 AMAQI
6th Aug 2026433 AMAQI
6th Aug 2026434 AMAQI
6th Aug 2026445 AMAQI

26°C15/39°C

6th Aug 2026416 AMAQI
6 AM
6th Aug 2026407 AMAQI
6th Aug 2026478 AMAQI
6th Aug 2026419 AMAQI
6th Aug 20264510 AMAQI
6th Aug 20264411 AMAQI
6th Aug 20264712 PMAQI
6th Aug 2026441 PMAQI
1 PM
6th Aug 2026472 PMAQI
6th Aug 2026493 PMAQI
6th Aug 2026514 PMAQI
6th Aug 2026485 PMAQI
6th Aug 2026496 PMAQI
6th Aug 2026407 PMAQI
6th Aug 2026488 PMAQI
8 PM
6th Aug 2026479 PMAQI
6th Aug 20264810 PMAQI
6th Aug 20264611 PMAQI
1 AM
5 AM

26°C14/41°C

Day time
Avg. Highest Time
3 PM

44AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
7 AM

34AQI

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. 44), while the lowest AQI was between 7 AM to 7 AM (Avg. 34).
Night time
Avg. Highest Time
9 PM

41AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM

34AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 9 PM (Avg. 41), while the lowest AQI was between 4 AM to 4 AM (Avg. 34).

2026 Days Vs Air Quality

Ukiah, California, United States

2026

98%

210

2%

5

Total number of days with different AQI categories in last 218 days in 2026 (147 days remaining)

Good
210 Days
Moderate
5 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 98%

Health Risk Level:

Very Low

In 2026, 98% of 218 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

Ukiah, 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
28AQI (US)
2nd January 2026
15AQI (US)
3rd January 2026
13AQI (US)
4th January 2026
15AQI (US)
5th January 2026
20AQI (US)
6th January 2026
24AQI (US)
7th January 2026
18AQI (US)
8th January 2026
24AQI (US)
9th January 2026
36AQI (US)
10th January 2026
45AQI (US)
11th January 2026
37AQI (US)
12th January 2026
48AQI (US)
13th January 2026
48AQI (US)
14th January 2026
43AQI (US)
15th January 2026
39AQI (US)
16th January 2026
44AQI (US)
17th January 2026
39AQI (US)
18th January 2026
45AQI (US)
19th January 2026
41AQI (US)
20th January 2026
47AQI (US)
21st January 2026
45AQI (US)
22nd January 2026
40AQI (US)
23rd January 2026
36AQI (US)
24th January 2026
39AQI (US)
25th January 2026
39AQI (US)
26th January 2026
33AQI (US)
27th January 2026
25AQI (US)
28th January 2026
33AQI (US)
29th January 2026
46AQI (US)
30th January 2026
42AQI (US)
31st January 2026
25AQI (US)
1st February 2026
34AQI (US)
2nd February 2026
40AQI (US)
3rd February 2026
41AQI (US)
4th February 2026
32AQI (US)
5th February 2026
39AQI (US)
6th February 2026
36AQI (US)
7th February 2026
32AQI (US)
8th February 2026
30AQI (US)
9th February 2026
45AQI (US)
10th February 2026
37AQI (US)
11th February 2026
34AQI (US)
12th February 2026
40AQI (US)
13th February 2026
35AQI (US)
14th February 2026
25AQI (US)
15th February 2026
29AQI (US)
16th February 2026
43AQI (US)
17th February 2026
48AQI (US)
18th February 2026
41AQI (US)
19th February 2026
42AQI (US)
20th February 2026
30AQI (US)
21st February 2026
26AQI (US)
22nd February 2026
25AQI (US)
23rd February 2026
32AQI (US)
24th February 2026
33AQI (US)
25th February 2026
41AQI (US)
26th February 2026
30AQI (US)
27th February 2026
27AQI (US)
28th February 2026
38AQI (US)
1st March 2026
30AQI (US)
2nd March 2026
45AQI (US)
3rd March 2026
30AQI (US)
4th March 2026
34AQI (US)
5th March 2026
29AQI (US)
6th March 2026
23AQI (US)
7th March 2026
34AQI (US)
8th March 2026
27AQI (US)
9th March 2026
26AQI (US)
10th March 2026
31AQI (US)
11th March 2026
30AQI (US)
12th March 2026
25AQI (US)
13th March 2026
32AQI (US)
14th March 2026
21AQI (US)
15th March 2026
19AQI (US)
16th March 2026
25AQI (US)
17th March 2026
25AQI (US)
18th March 2026
22AQI (US)
19th March 2026
26AQI (US)
20th March 2026
35AQI (US)
21st March 2026
26AQI (US)
22nd March 2026
23AQI (US)
23rd March 2026
32AQI (US)
24th March 2026
27AQI (US)
25th March 2026
25AQI (US)
26th March 2026
29AQI (US)
27th March 2026
17AQI (US)
28th March 2026
19AQI (US)
29th March 2026
16AQI (US)
30th March 2026
26AQI (US)
31st March 2026
21AQI (US)
1st April 2026
23AQI (US)
2nd April 2026
19AQI (US)
3rd April 2026
21AQI (US)
4th April 2026
27AQI (US)
5th April 2026
22AQI (US)
6th April 2026
26AQI (US)
7th April 2026
34AQI (US)
8th April 2026
40AQI (US)
9th April 2026
22AQI (US)
10th April 2026
27AQI (US)
11th April 2026
31AQI (US)
12th April 2026
26AQI (US)
13th April 2026
29AQI (US)
14th April 2026
23AQI (US)
15th April 2026
22AQI (US)
16th April 2026
21AQI (US)
17th April 2026
18th April 2026
22AQI (US)
19th April 2026
21AQI (US)
20th April 2026
16AQI (US)
21st April 2026
24AQI (US)
22nd April 2026
23rd April 2026
21AQI (US)
24th April 2026
16AQI (US)
25th April 2026
15AQI (US)
26th April 2026
22AQI (US)
27th April 2026
16AQI (US)
28th April 2026
19AQI (US)
29th April 2026
20AQI (US)
30th April 2026
21AQI (US)
1st May 2026
27AQI (US)
2nd May 2026
26AQI (US)
3rd May 2026
24AQI (US)
4th May 2026
31AQI (US)
5th May 2026
32AQI (US)
6th May 2026
21AQI (US)
7th May 2026
23AQI (US)
8th May 2026
35AQI (US)
9th May 2026
10th May 2026
30AQI (US)
11th May 2026
28AQI (US)
12th May 2026
38AQI (US)
13th May 2026
28AQI (US)
14th May 2026
25AQI (US)
15th May 2026
41AQI (US)
16th May 2026
50AQI (US)
17th May 2026
56AQI (US)
18th May 2026
50AQI (US)
19th May 2026
48AQI (US)
20th May 2026
49AQI (US)
21st May 2026
42AQI (US)
22nd May 2026
53AQI (US)
23rd May 2026
48AQI (US)
24th May 2026
43AQI (US)
25th May 2026
43AQI (US)
26th May 2026
18AQI (US)
27th May 2026
16AQI (US)
28th May 2026
16AQI (US)
29th May 2026
11AQI (US)
30th May 2026
13AQI (US)
31st May 2026
17AQI (US)
1st June 2026
17AQI (US)
2nd June 2026
17AQI (US)
3rd June 2026
19AQI (US)
4th June 2026
14AQI (US)
5th June 2026
16AQI (US)
6th June 2026
15AQI (US)
7th June 2026
12AQI (US)
8th June 2026
17AQI (US)
9th June 2026
18AQI (US)
10th June 2026
14AQI (US)
11th June 2026
17AQI (US)
12th June 2026
15AQI (US)
13th June 2026
16AQI (US)
14th June 2026
15AQI (US)
15th June 2026
23AQI (US)
16th June 2026
23AQI (US)
17th June 2026
21AQI (US)
18th June 2026
24AQI (US)
19th June 2026
15AQI (US)
20th June 2026
13AQI (US)
21st June 2026
11AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
20AQI (US)
24th June 2026
19AQI (US)
25th June 2026
20AQI (US)
26th June 2026
21AQI (US)
27th June 2026
21AQI (US)
28th June 2026
17AQI (US)
29th June 2026
14AQI (US)
30th June 2026
16AQI (US)
1st July 2026
22AQI (US)
2nd July 2026
25AQI (US)
3rd July 2026
24AQI (US)
4th July 2026
17AQI (US)
5th July 2026
19AQI (US)
6th July 2026
14AQI (US)
7th July 2026
19AQI (US)
8th July 2026
25AQI (US)
9th July 2026
27AQI (US)
10th July 2026
28AQI (US)
11th July 2026
18AQI (US)
12th July 2026
15AQI (US)
13th July 2026
20AQI (US)
14th July 2026
23AQI (US)
15th July 2026
19AQI (US)
16th July 2026
19AQI (US)
17th July 2026
43AQI (US)
18th July 2026
49AQI (US)
19th July 2026
43AQI (US)
20th July 2026
43AQI (US)
21st July 2026
45AQI (US)
22nd July 2026
36AQI (US)
23rd July 2026
32AQI (US)
24th July 2026
47AQI (US)
25th July 2026
41AQI (US)
26th July 2026
41AQI (US)
27th July 2026
45AQI (US)
28th July 2026
43AQI (US)
29th July 2026
42AQI (US)
30th July 2026
52AQI (US)
31st July 2026
75AQI (US)
1st August 2026
47AQI (US)
2nd August 2026
48AQI (US)
3rd August 2026
54AQI (US)
4th August 2026
48AQI (US)
5th August 2026
47AQI (US)
6th August 2026
45AQI (US)
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

35AQI (US)

35AQI (US)

27AQI (US)

23AQI (US)

33AQI (US)

17AQI (US)

33AQI (US)

48AQI (US)

No. of days

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

202629AQI (US)

31
28
31
28
28
2
30
29
2
5
1
210
5

Highest AQI (US) recorded in

August

48AQI (US)

Lowest AQI (US) recorded in

June

17AQI (US)

202533AQI (US)

18
13
28
31
30
31
30
31
31
29
1
26
5
23
7
14
17
322
43

Highest AQI (US) recorded in

December

49AQI (US)

Lowest AQI (US) recorded in

May

23AQI (US)

202431AQI (US)

29
2
29
31
30
31
29
31
31
29
1
30
1
26
3
1
22
7
2
348
14
3

Highest AQI (US) recorded in

December

47AQI (US)

Lowest AQI (US) recorded in

May

22AQI (US)

202329AQI (US)

29
27
1
29
30
28
26
1
20
7
22
5
1
24
4
31
23
6
31
320
24
1

Highest AQI (US) recorded in

August

43AQI (US)

Lowest AQI (US) recorded in

April

19AQI (US)

202235AQI (US)

13
16
19
3
31
29
31
30
19
2
2
1
23
6
24
4
15
15
22
9
258
56

Highest AQI (US) recorded in

January

51AQI (US)

Lowest AQI (US) recorded in

May

24AQI (US)

202133AQI (US)

27
2
28
31
30
31
30
30
1
11
14
6
21
8
1
31
23
6
20
11
313
42
7

Highest AQI (US) recorded in

August

66AQI (US)

Lowest AQI (US) recorded in

June

21AQI (US)

202037AQI (US)

13
20
18
24
31
23
2
4
2
12
8
9
1
22
6
1
1
27
3
24
7
214
26
14
4

Highest AQI (US) recorded in

September

71AQI (US)

Lowest AQI (US) recorded in

May

16AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2020(Avg.)
37AQI (US)
Least Polluted Year Recorded
2023(Avg.)
29AQI (US)

Ukiah's annual 2026 AQI (US) (29) shows an average percentage change of -11.5% (improved AQI (US)) compared to previous years: 2020 (37), 2021 (33), 2022 (35), 2023 (29), 2024 (31), 2025 (33).