Ukiah Library, 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+
November Air Quality Analysis
Ukiah Library, Ukiah, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
30th Nov 2024
131AQILowest AQI recorded on
5th Nov 2023
6AQISame Day Analysis (23rd November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 54 of Moderate air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 23rd Nov - 24th Nov 2025
Ukiah Library, Ukiah, California, United States
AQI
Day
Night
.
7 AM23rd Nov 2025
5 PM
6 AM24th Nov 2025
Day time
Avg. Highest Time
10AM23rd Nov
69AQI
Avg. Lowest Time
4PM23rd Nov
33AQI
Night time
Avg. Highest Time
3AM24th Nov
55AQI
Avg. Lowest Time
6PM23rd Nov
16AQI
In the last 24 hours,
Ukiah Library's AQI reached its highest point of 69 at 10 AM during the Day, while the lowest point, 16, was recorded at 6 PM during the Night between 23rd Nov and 24th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Ukiah Library, Ukiah, California, United States
OctNov
25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th
Day
Night
25th Oct 2025227 AMAQI
25th Oct 2025188 AMAQI
25th Oct 2025119 AMAQI
25th Oct 20251410 AMAQI
25th Oct 20251711 AMAQI
25th Oct 20252012 PMAQI
25th Oct 2025201 PMAQI
25th Oct 2025222 PMAQI
25th Oct 2025303 PMAQI
25th Oct 2025284 PMAQI
25th Oct 2025335 PMAQI
25th Oct 2025426 PMAQI
25th Oct 2025367 PMAQI
25th Oct 2025428 PMAQI
25th Oct 2025479 PMAQI
25th Oct 20254010 PMAQI
25th Oct 20253311 PMAQI
26th Oct 20253312 AMAQI
26th Oct 2025381 AMAQI
26th Oct 2025402 AMAQI
26th Oct 2025283 AMAQI
26th Oct 2025204 AMAQI
26th Oct 2025255 AMAQI
26th Oct 2025306 AMAQI
14°C12/18°C
26th Oct 2025257 AMAQI
26th Oct 2025288 AMAQI
26th Oct 2025289 AMAQI
26th Oct 20252210 AMAQI
26th Oct 20252011 AMAQI
26th Oct 20251412 PMAQI
26th Oct 2025161 PMAQI
26th Oct 2025202 PMAQI
26th Oct 2025213 PMAQI
26th Oct 2025174 PMAQI
26th Oct 2025115 PMAQI
26th Oct 2025146 PMAQI
26th Oct 2025207 PMAQI
26th Oct 2025168 PMAQI
26th Oct 2025179 PMAQI
26th Oct 20252410 PMAQI
26th Oct 20253011 PMAQI
27th Oct 20253012 AMAQI
27th Oct 2025281 AMAQI
27th Oct 2025252 AMAQI
27th Oct 2025203 AMAQI
27th Oct 2025174 AMAQI
27th Oct 2025225 AMAQI
27th Oct 2025286 AMAQI
13°C11/17°C
27th Oct 2025367 AMAQI
27th Oct 2025428 AMAQI
27th Oct 2025369 AMAQI
27th Oct 20253510 AMAQI
27th Oct 20253611 AMAQI
27th Oct 20252512 PMAQI
27th Oct 2025141 PMAQI
27th Oct 2025112 PMAQI
27th Oct 2025143 PMAQI
27th Oct 2025204 PMAQI
27th Oct 2025305 PMAQI
27th Oct 2025366 PMAQI
27th Oct 2025257 PMAQI
27th Oct 2025258 PMAQI
27th Oct 2025459 PMAQI
27th Oct 20255610 PMAQI
27th Oct 20255311 PMAQI
28th Oct 20255412 AMAQI
28th Oct 2025531 AMAQI
28th Oct 2025532 AMAQI
28th Oct 2025563 AMAQI
28th Oct 2025514 AMAQI
28th Oct 2025485 AMAQI
28th Oct 2025546 AMAQI
14°C7/24°C
28th Oct 2025547 AMAQI
28th Oct 2025538 AMAQI
28th Oct 2025499 AMAQI
28th Oct 20254810 AMAQI
28th Oct 20254311 AMAQI
28th Oct 20253612 PMAQI
28th Oct 2025341 PMAQI
28th Oct 2025282 PMAQI
28th Oct 2025283 PMAQI
28th Oct 2025284 PMAQI
28th Oct 2025325 PMAQI
28th Oct 2025356 PMAQI
28th Oct 2025287 PMAQI
28th Oct 2025288 PMAQI
28th Oct 2025289 PMAQI
28th Oct 20253410 PMAQI
28th Oct 20253411 PMAQI
29th Oct 20254012 AMAQI
29th Oct 2025551 AMAQI
29th Oct 2025552 AMAQI
29th Oct 2025543 AMAQI
29th Oct 2025534 AMAQI
29th Oct 2025565 AMAQI
29th Oct 2025566 AMAQI
17°C8/28°C
29th Oct 2025577 AMAQI
29th Oct 2025578 AMAQI
29th Oct 2025609 AMAQI
29th Oct 20256610 AMAQI
29th Oct 20256711 AMAQI
29th Oct 20256112 PMAQI
29th Oct 2025601 PMAQI
29th Oct 2025612 PMAQI
29th Oct 2025603 PMAQI
29th Oct 2025544 PMAQI
29th Oct 2025505 PMAQI
29th Oct 2025426 PMAQI
29th Oct 2025457 PMAQI
29th Oct 2025548 PMAQI
29th Oct 2025509 PMAQI
29th Oct 20255210 PMAQI
29th Oct 20255611 PMAQI
30th Oct 20255712 AMAQI
30th Oct 2025641 AMAQI
30th Oct 2025652 AMAQI
30th Oct 2025593 AMAQI
30th Oct 2025604 AMAQI
30th Oct 2025585 AMAQI
30th Oct 2025566 AMAQI
18°C10/31°C
30th Oct 2025567 AMAQI
30th Oct 2025598 AMAQI
30th Oct 2025589 AMAQI
30th Oct 20255610 AMAQI
30th Oct 20255511 AMAQI
30th Oct 20255312 PMAQI
30th Oct 2025511 PMAQI
30th Oct 2025462 PMAQI
30th Oct 2025343 PMAQI
30th Oct 2025364 PMAQI
30th Oct 2025385 PMAQI
30th Oct 2025366 PMAQI
30th Oct 2025397 PMAQI
30th Oct 2025488 PMAQI
30th Oct 2025569 PMAQI
30th Oct 20254710 PMAQI
30th Oct 20253611 PMAQI
31st Oct 20254312 AMAQI
31st Oct 2025501 AMAQI
31st Oct 2025472 AMAQI
31st Oct 2025403 AMAQI
31st Oct 2025374 AMAQI
31st Oct 2025445 AMAQI
31st Oct 2025356 AMAQI
11°C8/15°C
31st Oct 2025207 AMAQI
31st Oct 2025258 AMAQI
31st Oct 2025379 AMAQI
31st Oct 20253810 AMAQI
31st Oct 20252811 AMAQI
31st Oct 20252912 PMAQI
31st Oct 2025391 PMAQI
31st Oct 2025352 PMAQI
31st Oct 2025203 PMAQI
31st Oct 2025114 PMAQI
31st Oct 2025145 PMAQI
31st Oct 2025356 PMAQI
31st Oct 2025487 PMAQI
31st Oct 2025338 PMAQI
31st Oct 2025309 PMAQI
31st Oct 20253410 PMAQI
31st Oct 20253811 PMAQI
1st Nov 20255612 AMAQI
1st Nov 2025611 AMAQI
1st Nov 2025592 AMAQI
1st Nov 2025573 AMAQI
1st Nov 2025574 AMAQI
1st Nov 2025595 AMAQI
1st Nov 2025566 AMAQI
12°C5/23°C
1st Nov 2025527 AMAQI
1st Nov 2025518 AMAQI
1st Nov 2025529 AMAQI
1st Nov 20255410 AMAQI
1st Nov 20255511 AMAQI
1st Nov 20253612 PMAQI
1st Nov 2025221 PMAQI
1st Nov 2025302 PMAQI
1st Nov 2025343 PMAQI
1st Nov 2025254 PMAQI
1st Nov 2025225 PMAQI
1st Nov 2025226 PMAQI
1st Nov 2025207 PMAQI
1st Nov 2025148 PMAQI
1st Nov 2025119 PMAQI
1st Nov 20251110 PMAQI
1st Nov 20251611 PMAQI
2nd Nov 20253112 AMAQI
2nd Nov 2025351 AMAQI
2nd Nov 2025222 AMAQI
2nd Nov 2025263 AMAQI
2nd Nov 2025444 AMAQI
2nd Nov 2025495 AMAQI
2nd Nov 2025446 AMAQI
17°C8/27°C
2nd Nov 2025507 AMAQI
2nd Nov 2025528 AMAQI
2nd Nov 2025469 AMAQI
2nd Nov 20253910 AMAQI
2nd Nov 20253411 AMAQI
2nd Nov 20252212 PMAQI
2nd Nov 2025151 PMAQI
2nd Nov 2025112 PMAQI
2nd Nov 2025143 PMAQI
2nd Nov 2025284 PMAQI
2nd Nov 2025395 PMAQI
2nd Nov 2025426 PMAQI
2nd Nov 2025447 PMAQI
2nd Nov 2025388 PMAQI
2nd Nov 2025389 PMAQI
2nd Nov 20254210 PMAQI
2nd Nov 20253211 PMAQI
3rd Nov 20252512 AMAQI
3rd Nov 2025281 AMAQI
3rd Nov 2025302 AMAQI
3rd Nov 2025413 AMAQI
3rd Nov 2025484 AMAQI
3rd Nov 2025475 AMAQI
3rd Nov 2025536 AMAQI
19°C13/29°C
3rd Nov 2025557 AMAQI
3rd Nov 2025538 AMAQI
3rd Nov 2025469 AMAQI
3rd Nov 20254210 AMAQI
3rd Nov 20254211 AMAQI
3rd Nov 20253612 PMAQI
3rd Nov 2025431 PMAQI
3rd Nov 2025542 PMAQI
3rd Nov 2025483 PMAQI
3rd Nov 2025304 PMAQI
3rd Nov 2025255 PMAQI
3rd Nov 2025316 PMAQI
3rd Nov 2025207 PMAQI
3rd Nov 2025118 PMAQI
3rd Nov 2025119 PMAQI
3rd Nov 20251310 PMAQI
3rd Nov 20251511 PMAQI
4th Nov 20252212 AMAQI
4th Nov 2025291 AMAQI
4th Nov 2025202 AMAQI
4th Nov 2025173 AMAQI
4th Nov 2025204 AMAQI
4th Nov 2025285 AMAQI
4th Nov 2025336 AMAQI
16°C11/26°C
4th Nov 2025337 AMAQI
4th Nov 2025308 AMAQI
4th Nov 2025209 AMAQI
4th Nov 20251110 AMAQI
4th Nov 20251411 AMAQI
4th Nov 20252112 PMAQI
4th Nov 2025241 PMAQI
4th Nov 2025172 PMAQI
4th Nov 2025303 PMAQI
4th Nov 2025424 PMAQI
4th Nov 2025375 PMAQI
4th Nov 2025286 PMAQI
4th Nov 2025257 PMAQI
4th Nov 2025258 PMAQI
4th Nov 2025209 PMAQI
4th Nov 20251710 PMAQI
4th Nov 20251511 PMAQI
5th Nov 20252112 AMAQI
5th Nov 2025321 AMAQI
5th Nov 2025232 AMAQI
5th Nov 2025153 AMAQI
5th Nov 2025134 AMAQI
5th Nov 2025175 AMAQI
5th Nov 2025156 AMAQI
15°C13/19°C
5th Nov 2025117 AMAQI
5th Nov 2025188 AMAQI
5th Nov 2025199 AMAQI
5th Nov 20251310 AMAQI
5th Nov 20251911 AMAQI
5th Nov 20252012 PMAQI
5th Nov 2025201 PMAQI
5th Nov 2025202 PMAQI
5th Nov 2025173 PMAQI
5th Nov 2025174 PMAQI
5th Nov 2025255 PMAQI
5th Nov 2025336 PMAQI
5th Nov 2025307 PMAQI
5th Nov 2025348 PMAQI
5th Nov 2025449 PMAQI
5th Nov 20254710 PMAQI
5th Nov 20254411 PMAQI
6th Nov 20254412 AMAQI
6th Nov 2025441 AMAQI
6th Nov 2025422 AMAQI
6th Nov 2025303 AMAQI
6th Nov 2025204 AMAQI
6th Nov 2025165 AMAQI
6th Nov 2025116 AMAQI
15°C13/17°C
6th Nov 2025117 AMAQI
6th Nov 2025118 AMAQI
6th Nov 2025169 AMAQI
6th Nov 20252110 AMAQI
6th Nov 20252111 AMAQI
6th Nov 20252312 PMAQI
6th Nov 2025211 PMAQI
6th Nov 2025182 PMAQI
6th Nov 2025213 PMAQI
6th Nov 2025244 PMAQI
6th Nov 2025225 PMAQI
6th Nov 2025206 PMAQI
6th Nov 2025207 PMAQI
6th Nov 2025188 PMAQI
6th Nov 2025289 PMAQI
6th Nov 20253210 PMAQI
6th Nov 20252211 PMAQI
7th Nov 20252112 AMAQI
7th Nov 2025201 AMAQI
7th Nov 2025202 AMAQI
7th Nov 2025233 AMAQI
7th Nov 2025244 AMAQI
7th Nov 2025155 AMAQI
7th Nov 2025166 AMAQI
14°C11/18°C
7th Nov 2025257 AMAQI
7th Nov 2025258 AMAQI
7th Nov 2025189 AMAQI
7th Nov 20251610 AMAQI
7th Nov 20252911 AMAQI
7th Nov 20253312 PMAQI
7th Nov 2025241 PMAQI
7th Nov 2025112 PMAQI
7th Nov 2025143 PMAQI
7th Nov 2025144 PMAQI
7th Nov 2025115 PMAQI
7th Nov 2025136 PMAQI
7th Nov 2025147 PMAQI
7th Nov 2025118 PMAQI
7th Nov 2025169 PMAQI
7th Nov 20252210 PMAQI
7th Nov 20252411 PMAQI
8th Nov 20252412 AMAQI
8th Nov 2025301 AMAQI
8th Nov 2025422 AMAQI
8th Nov 2025343 AMAQI
8th Nov 2025404 AMAQI
8th Nov 2025515 AMAQI
8th Nov 2025446 AMAQI
15°C13/20°C
8th Nov 2025447 AMAQI
8th Nov 2025388 AMAQI
8th Nov 2025369 AMAQI
8th Nov 20253610 AMAQI
8th Nov 20252811 AMAQI
8th Nov 20252012 PMAQI
8th Nov 2025141 PMAQI
8th Nov 2025142 PMAQI
8th Nov 2025203 PMAQI
8th Nov 2025224 PMAQI
8th Nov 2025205 PMAQI
8th Nov 2025146 PMAQI
8th Nov 2025147 PMAQI
8th Nov 2025288 PMAQI
8th Nov 2025489 PMAQI
8th Nov 20255510 PMAQI
8th Nov 20255411 PMAQI
9th Nov 20255812 AMAQI
9th Nov 2025581 AMAQI
9th Nov 2025532 AMAQI
9th Nov 2025503 AMAQI
9th Nov 2025514 AMAQI
9th Nov 2025545 AMAQI
9th Nov 2025566 AMAQI
15°C11/21°C
9th Nov 2025567 AMAQI
9th Nov 2025568 AMAQI
9th Nov 2025579 AMAQI
9th Nov 20255510 AMAQI
9th Nov 20254211 AMAQI
9th Nov 20253312 PMAQI
9th Nov 2025301 PMAQI
9th Nov 2025252 PMAQI
9th Nov 2025253 PMAQI
9th Nov 2025284 PMAQI
9th Nov 2025305 PMAQI
9th Nov 2025356 PMAQI
9th Nov 2025307 PMAQI
9th Nov 2025248 PMAQI
9th Nov 2025289 PMAQI
9th Nov 20254110 PMAQI
9th Nov 20256011 PMAQI
10th Nov 20255612 AMAQI
10th Nov 2025561 AMAQI
10th Nov 2025512 AMAQI
10th Nov 2025503 AMAQI
10th Nov 2025604 AMAQI
10th Nov 2025635 AMAQI
10th Nov 2025596 AMAQI
17°C13/23°C
10th Nov 2025587 AMAQI
10th Nov 2025578 AMAQI
10th Nov 2025589 AMAQI
10th Nov 20255810 AMAQI
10th Nov 20255611 AMAQI
10th Nov 20255612 PMAQI
10th Nov 2025531 PMAQI
10th Nov 2025502 PMAQI
10th Nov 2025533 PMAQI
10th Nov 2025504 PMAQI
10th Nov 2025425 PMAQI
10th Nov 2025396 PMAQI
10th Nov 2025367 PMAQI
10th Nov 2025358 PMAQI
10th Nov 2025429 PMAQI
10th Nov 20255010 PMAQI
10th Nov 20255711 PMAQI
11th Nov 20255712 AMAQI
11th Nov 2025561 AMAQI
11th Nov 2025582 AMAQI
11th Nov 2025613 AMAQI
11th Nov 2025604 AMAQI
11th Nov 2025565 AMAQI
11th Nov 2025546 AMAQI
18°C14/24°C
11th Nov 2025547 AMAQI
11th Nov 2025568 AMAQI
11th Nov 2025559 AMAQI
11th Nov 20255510 AMAQI
11th Nov 20255411 AMAQI
11th Nov 20255412 PMAQI
11th Nov 2025591 PMAQI
11th Nov 2025552 PMAQI
11th Nov 2025473 PMAQI
11th Nov 2025474 PMAQI
11th Nov 2025505 PMAQI
11th Nov 2025426 PMAQI
11th Nov 2025437 PMAQI
11th Nov 2025528 PMAQI
11th Nov 2025479 PMAQI
11th Nov 20255010 PMAQI
11th Nov 20255611 PMAQI
12th Nov 20255712 AMAQI
12th Nov 2025521 AMAQI
12th Nov 2025522 AMAQI
12th Nov 2025613 AMAQI
12th Nov 2025564 AMAQI
12th Nov 2025445 AMAQI
12th Nov 2025366 AMAQI
17°C13/23°C
12th Nov 2025337 AMAQI
12th Nov 2025358 AMAQI
12th Nov 2025399 AMAQI
12th Nov 20253910 AMAQI
12th Nov 20254111 AMAQI
12th Nov 20254412 PMAQI
12th Nov 2025401 PMAQI
12th Nov 2025312 PMAQI
12th Nov 2025283 PMAQI
12th Nov 2025304 PMAQI
12th Nov 2025335 PMAQI
12th Nov 2025306 PMAQI
12th Nov 2025257 PMAQI
12th Nov 2025228 PMAQI
12th Nov 2025229 PMAQI
12th Nov 20252810 PMAQI
12th Nov 20253311 PMAQI
13th Nov 20252912 AMAQI
13th Nov 2025201 AMAQI
13th Nov 2025172 AMAQI
13th Nov 2025173 AMAQI
13th Nov 2025174 AMAQI
13th Nov 2025175 AMAQI
13th Nov 2025176 AMAQI
13°C11/15°C
13th Nov 2025227 AMAQI
13th Nov 2025288 AMAQI
13th Nov 2025269 AMAQI
13th Nov 20252810 AMAQI
13th Nov 20253011 AMAQI
13th Nov 20252812 PMAQI
13th Nov 2025181 PMAQI
13th Nov 2025182 PMAQI
13th Nov 2025203 PMAQI
13th Nov 2025174 PMAQI
13th Nov 2025205 PMAQI
13th Nov 2025256 PMAQI
13th Nov 2025257 PMAQI
13th Nov 2025348 PMAQI
13th Nov 2025369 PMAQI
13th Nov 20252810 PMAQI
13th Nov 20251811 PMAQI
14th Nov 20251112 AMAQI
14th Nov 2025141 AMAQI
14th Nov 2025192 AMAQI
14th Nov 2025203 AMAQI
14th Nov 2025204 AMAQI
14th Nov 2025305 AMAQI
14th Nov 2025346 AMAQI
14°C11/16°C
14th Nov 2025257 AMAQI
14th Nov 2025228 AMAQI
14th Nov 2025289 AMAQI
14th Nov 20252810 AMAQI
14th Nov 20252511 AMAQI
14th Nov 20251912 PMAQI
14th Nov 2025251 PMAQI
14th Nov 2025332 PMAQI
14th Nov 2025253 PMAQI
14th Nov 2025204 PMAQI
14th Nov 2025265 PMAQI
14th Nov 2025336 PMAQI
14th Nov 2025307 PMAQI
14th Nov 2025308 PMAQI
14th Nov 2025389 PMAQI
14th Nov 20254210 PMAQI
14th Nov 20254411 PMAQI
15th Nov 20255212 AMAQI
15th Nov 2025511 AMAQI
15th Nov 2025522 AMAQI
15th Nov 2025603 AMAQI
15th Nov 2025454 AMAQI
15th Nov 2025285 AMAQI
15th Nov 2025306 AMAQI
13°C10/18°C
15th Nov 2025417 AMAQI
15th Nov 2025448 AMAQI
15th Nov 2025389 AMAQI
15th Nov 20253910 AMAQI
15th Nov 20253411 AMAQI
15th Nov 20252512 PMAQI
15th Nov 2025301 PMAQI
15th Nov 2025342 PMAQI
15th Nov 2025203 PMAQI
15th Nov 2025254 PMAQI
15th Nov 2025345 PMAQI
15th Nov 2025286 PMAQI
15th Nov 2025257 PMAQI
15th Nov 2025208 PMAQI
15th Nov 2025229 PMAQI
15th Nov 20254410 PMAQI
15th Nov 20255611 PMAQI
16th Nov 20255112 AMAQI
16th Nov 2025491 AMAQI
16th Nov 2025502 AMAQI
16th Nov 2025463 AMAQI
16th Nov 2025364 AMAQI
16th Nov 2025295 AMAQI
16th Nov 2025296 AMAQI
13°C9/21°C
16th Nov 2025347 AMAQI
16th Nov 2025258 AMAQI
16th Nov 2025229 AMAQI
16th Nov 20252810 AMAQI
16th Nov 20253011 AMAQI
16th Nov 20252612 PMAQI
16th Nov 2025221 PMAQI
16th Nov 2025252 PMAQI
16th Nov 2025253 PMAQI
16th Nov 2025164 PMAQI
16th Nov 2025115 PMAQI
16th Nov 2025146 PMAQI
16th Nov 2025177 PMAQI
16th Nov 2025258 PMAQI
16th Nov 2025309 PMAQI
16th Nov 20252210 PMAQI
16th Nov 20251511 PMAQI
17th Nov 20251112 AMAQI
17th Nov 2025201 AMAQI
17th Nov 2025202 AMAQI
17th Nov 2025143 AMAQI
17th Nov 2025114 AMAQI
17th Nov 2025145 AMAQI
17th Nov 2025146 AMAQI
12°C10/14°C
17th Nov 2025147 AMAQI
17th Nov 2025208 AMAQI
17th Nov 2025209 AMAQI
17th Nov 20252010 AMAQI
17th Nov 20252011 AMAQI
17th Nov 20251712 PMAQI
17th Nov 2025171 PMAQI
17th Nov 2025142 PMAQI
17th Nov 2025113 PMAQI
17th Nov 2025104 PMAQI
17th Nov 2025165 PMAQI
17th Nov 2025256 PMAQI
17th Nov 2025307 PMAQI
17th Nov 2025338 PMAQI
17th Nov 2025389 PMAQI
17th Nov 20254110 PMAQI
17th Nov 20253911 PMAQI
18th Nov 20253412 AMAQI
18th Nov 2025361 AMAQI
18th Nov 2025362 AMAQI
18th Nov 2025343 AMAQI
18th Nov 2025394 AMAQI
18th Nov 2025395 AMAQI
18th Nov 2025296 AMAQI
10°C8/13°C
18th Nov 2025327 AMAQI
18th Nov 2025378 AMAQI
18th Nov 2025339 AMAQI
18th Nov 20253310 AMAQI
18th Nov 20253311 AMAQI
18th Nov 20253312 PMAQI
18th Nov 2025251 PMAQI
18th Nov 2025142 PMAQI
18th Nov 2025223 PMAQI
18th Nov 2025304 PMAQI
18th Nov 2025225 PMAQI
18th Nov 2025226 PMAQI
18th Nov 2025287 PMAQI
18th Nov 2025258 PMAQI
18th Nov 2025359 PMAQI
18th Nov 20255510 PMAQI
18th Nov 20255911 PMAQI
19th Nov 20256412 AMAQI
19th Nov 2025561 AMAQI
19th Nov 2025462 AMAQI
19th Nov 2025353 AMAQI
19th Nov 2025284 AMAQI
19th Nov 2025305 AMAQI
19th Nov 2025366 AMAQI
10°C6/15°C
19th Nov 2025367 AMAQI
19th Nov 2025378 AMAQI
19th Nov 2025429 AMAQI
19th Nov 20254210 AMAQI
19th Nov 20254411 AMAQI
19th Nov 20254312 PMAQI
19th Nov 2025431 PMAQI
19th Nov 2025362 PMAQI
19th Nov 2025303 PMAQI
19th Nov 2025364 PMAQI
19th Nov 2025405 PMAQI
19th Nov 2025446 PMAQI
19th Nov 2025447 PMAQI
19th Nov 2025368 PMAQI
19th Nov 2025429 PMAQI
19th Nov 20255310 PMAQI
19th Nov 20254711 PMAQI
20th Nov 20254412 AMAQI
20th Nov 2025381 AMAQI
20th Nov 2025352 AMAQI
20th Nov 2025343 AMAQI
20th Nov 2025284 AMAQI
20th Nov 2025255 AMAQI
20th Nov 2025226 AMAQI
10°C6/13°C
20th Nov 2025127 AMAQI
20th Nov 2025118 AMAQI
20th Nov 2025149 AMAQI
20th Nov 20252010 AMAQI
20th Nov 20252811 AMAQI
20th Nov 20252512 PMAQI
20th Nov 2025141 PMAQI
20th Nov 2025112 PMAQI
20th Nov 2025163 PMAQI
20th Nov 2025224 PMAQI
20th Nov 2025245 PMAQI
20th Nov 2025256 PMAQI
20th Nov 2025227 PMAQI
20th Nov 2025308 PMAQI
20th Nov 2025419 PMAQI
20th Nov 20254010 PMAQI
20th Nov 20253711 PMAQI
21st Nov 20255312 AMAQI
21st Nov 2025561 AMAQI
21st Nov 2025522 AMAQI
21st Nov 2025493 AMAQI
21st Nov 2025444 AMAQI
21st Nov 2025425 AMAQI
21st Nov 2025446 AMAQI
11°C8/15°C
21st Nov 2025447 AMAQI
21st Nov 2025458 AMAQI
21st Nov 2025539 AMAQI
21st Nov 20254410 AMAQI
21st Nov 20253911 AMAQI
21st Nov 20253412 PMAQI
21st Nov 2025261 PMAQI
21st Nov 2025202 PMAQI
21st Nov 2025263 PMAQI
21st Nov 2025344 PMAQI
21st Nov 2025225 PMAQI
21st Nov 2025206 PMAQI
21st Nov 2025227 PMAQI
21st Nov 2025258 PMAQI
21st Nov 2025429 PMAQI
21st Nov 20255410 PMAQI
21st Nov 20255611 PMAQI
22nd Nov 20256212 AMAQI
22nd Nov 2025601 AMAQI
22nd Nov 2025652 AMAQI
22nd Nov 2025663 AMAQI
22nd Nov 2025604 AMAQI
22nd Nov 2025595 AMAQI
22nd Nov 2025596 AMAQI
12°C7/19°C
22nd Nov 2025567 AMAQI
22nd Nov 2025568 AMAQI
22nd Nov 2025599 AMAQI
22nd Nov 20256010 AMAQI
22nd Nov 20254811 AMAQI
22nd Nov 20253012 PMAQI
22nd Nov 2025161 PMAQI
22nd Nov 2025112 PMAQI
22nd Nov 2025143 PMAQI
22nd Nov 2025144 PMAQI
22nd Nov 2025115 PMAQI
22nd Nov 2025116 PMAQI
22nd Nov 2025147 PMAQI
22nd Nov 2025208 PMAQI
22nd Nov 2025399 PMAQI
22nd Nov 20256910 PMAQI
22nd Nov 20257611 PMAQI
23rd Nov 20256812 AMAQI
23rd Nov 2025701 AMAQI
23rd Nov 2025682 AMAQI
23rd Nov 2025673 AMAQI
23rd Nov 2025704 AMAQI
23rd Nov 2025775 AMAQI
23rd Nov 2025766 AMAQI
12°C9/19°C
23rd Nov 2025677 AMAQI
23rd Nov 2025638 AMAQI
23rd Nov 2025669 AMAQI
23rd Nov 20256910 AMAQI
23rd Nov 20256211 AMAQI
23rd Nov 20255312 PMAQI
23rd Nov 2025441 PMAQI
23rd Nov 2025392 PMAQI
23rd Nov 2025363 PMAQI
23rd Nov 2025334 PMAQI
23rd Nov 2025285 PMAQI
23rd Nov 2025166 PMAQI
23rd Nov 2025207 PMAQI
23rd Nov 2025348 PMAQI
23rd Nov 2025479 PMAQI
23rd Nov 20255010 PMAQI
23rd Nov 20254211 PMAQI
24th Nov 20253612 AMAQI
24th Nov 2025351 AMAQI
24th Nov 2025452 AMAQI
24th Nov 2025553 AMAQI
24th Nov 2025554 AMAQI
24th Nov 2025525 AMAQI
24th Nov 2025476 AMAQI
10°C7/15°C
24th Nov 2025487 AMAQI
7 AM24th Nov 2025478 AMAQI
24th Nov 2025429 AMAQI
24th Nov 20253610 AMAQI
24th Nov 20253911 AMAQI
24th Nov 20254212 PMAQI
12 PM24th Nov 2025251 PMAQI
24th Nov 2025252 PMAQI
24th Nov 2025283 PMAQI
5 PM
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
7 AM - 11 AM
38AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
2 PM - 5 PM
27AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 11 AM (Avg. 38), while the lowest AQI was between 2 PM to 5 PM (Avg. 27).
Night time
Avg. Highest Time
12 AM - 6 AM
40AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
6 PM - 7 PM
28AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 6 AM (Avg. 40), while the lowest AQI was between 6 PM to 7 PM (Avg. 28).
2025 Days Vs Air Quality
Ukiah Library, Ukiah, California, United States
2025
94%
306
6%
21
Total number of days with different AQI categories in last 328 days in 2025 (37 days remaining)
Good
306 DaysModerate
21 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 328 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 Library, Ukiah, California, United States
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
56AQI
56AQI
2nd January 2025
33AQI
33AQI
3rd January 2025
33AQI
33AQI
4th January 2025
35AQI
35AQI
5th January 2025
41AQI
41AQI
6th January 2025
31AQI
31AQI
7th January 2025
31AQI
31AQI
8th January 2025
42AQI
42AQI
9th January 2025
47AQI
47AQI
10th January 2025
44AQI
44AQI
11th January 2025
36AQI
36AQI
12th January 2025
45AQI
45AQI
13th January 2025
37AQI
37AQI
14th January 2025
47AQI
47AQI
15th January 2025
55AQI
55AQI
16th January 2025
47AQI
47AQI
17th January 2025
46AQI
46AQI
18th January 2025
48AQI
48AQI
19th January 2025
52AQI
52AQI
20th January 2025
47AQI
47AQI
21st January 2025
52AQI
52AQI
22nd January 2025
55AQI
55AQI
23rd January 2025
58AQI
58AQI
24th January 2025
56AQI
56AQI
25th January 2025
49AQI
49AQI
26th January 2025
51AQI
51AQI
27th January 2025
55AQI
55AQI
28th January 2025
54AQI
54AQI
29th January 2025
57AQI
57AQI
30th January 2025
63AQI
63AQI
31st January 2025
46AQI
46AQI
1st February 2025
29AQI
29AQI
2nd February 2025
23AQI
23AQI
3rd February 2025
24AQI
24AQI
4th February 2025
25AQI
25AQI
5th February 2025
39AQI
39AQI
6th February 2025
43AQI
43AQI
7th February 2025
27AQI
27AQI
8th February 2025
35AQI
35AQI
9th February 2025
37AQI
37AQI
10th February 2025
46AQI
46AQI
11th February 2025
42AQI
42AQI
12th February 2025
42AQI
42AQI
13th February 2025
28AQI
28AQI
14th February 2025
40AQI
40AQI
15th February 2025
48AQI
48AQI
16th February 2025
30AQI
30AQI
17th February 2025
26AQI
26AQI
18th February 2025
34AQI
34AQI
19th February 2025
23AQI
23AQI
20th February 2025
28AQI
28AQI
21st February 2025
34AQI
34AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
23AQI
23AQI
24th February 2025
24AQI
24AQI
25th February 2025
30AQI
30AQI
26th February 2025
35AQI
35AQI
27th February 2025
33AQI
33AQI
28th February 2025
34AQI
34AQI
1st March 2025
35AQI
35AQI
2nd March 2025
23AQI
23AQI
3rd March 2025
24AQI
24AQI
4th March 2025
26AQI
26AQI
5th March 2025
22AQI
22AQI
6th March 2025
27AQI
27AQI
7th March 2025
36AQI
36AQI
8th March 2025
34AQI
34AQI
9th March 2025
36AQI
36AQI
10th March 2025
38AQI
38AQI
11th March 2025
31AQI
31AQI
12th March 2025
24AQI
24AQI
13th March 2025
24AQI
24AQI
14th March 2025
32AQI
32AQI
15th March 2025
38AQI
38AQI
16th March 2025
19AQI
19AQI
17th March 2025
18AQI
18AQI
18th March 2025
31AQI
31AQI
19th March 2025
28AQI
28AQI
20th March 2025
24AQI
24AQI
21st March 2025
28AQI
28AQI
22nd March 2025
18AQI
18AQI
23rd March 2025
22AQI
22AQI
24th March 2025
24AQI
24AQI
25th March 2025
25AQI
25AQI
26th March 2025
26AQI
26AQI
27th March 2025
19AQI
19AQI
28th March 2025
21AQI
21AQI
29th March 2025
26AQI
26AQI
30th March 2025
24AQI
24AQI
31st March 2025
18AQI
18AQI
1st April 2025
24AQI
24AQI
2nd April 2025
24AQI
24AQI
3rd April 2025
25AQI
25AQI
4th April 2025
31AQI
31AQI
5th April 2025
26AQI
26AQI
6th April 2025
22AQI
22AQI
7th April 2025
15AQI
15AQI
8th April 2025
18AQI
18AQI
9th April 2025
19AQI
19AQI
10th April 2025
20AQI
20AQI
11th April 2025
20AQI
20AQI
12th April 2025
22AQI
22AQI
13th April 2025
24AQI
24AQI
14th April 2025
27AQI
27AQI
15th April 2025
28AQI
28AQI
16th April 2025
26AQI
26AQI
17th April 2025
23AQI
23AQI
18th April 2025
26AQI
26AQI
19th April 2025
24AQI
24AQI
20th April 2025
20AQI
20AQI
21st April 2025
23AQI
23AQI
22nd April 2025
23AQI
23AQI
23rd April 2025
35AQI
35AQI
24th April 2025
34AQI
34AQI
25th April 2025
20AQI
20AQI
26th April 2025
20AQI
20AQI
27th April 2025
21AQI
21AQI
28th April 2025
22AQI
22AQI
29th April 2025
26AQI
26AQI
30th April 2025
33AQI
33AQI
1st May 2025
32AQI
32AQI
2nd May 2025
24AQI
24AQI
3rd May 2025
19AQI
19AQI
4th May 2025
24AQI
24AQI
5th May 2025
23AQI
23AQI
6th May 2025
31AQI
31AQI
7th May 2025
33AQI
33AQI
8th May 2025
25AQI
25AQI
9th May 2025
27AQI
27AQI
10th May 2025
23AQI
23AQI
11th May 2025
18AQI
18AQI
12th May 2025
17AQI
17AQI
13th May 2025
17AQI
17AQI
14th May 2025
20AQI
20AQI
15th May 2025
23AQI
23AQI
16th May 2025
24AQI
24AQI
17th May 2025
18AQI
18AQI
18th May 2025
19AQI
19AQI
19th May 2025
24AQI
24AQI
20th May 2025
16AQI
16AQI
21st May 2025
24AQI
24AQI
22nd May 2025
25AQI
25AQI
23rd May 2025
17AQI
17AQI
24th May 2025
20AQI
20AQI
25th May 2025
25AQI
25AQI
26th May 2025
15AQI
15AQI
27th May 2025
20AQI
20AQI
28th May 2025
22AQI
22AQI
29th May 2025
21AQI
21AQI
30th May 2025
22AQI
22AQI
31st May 2025
26AQI
26AQI
1st June 2025
24AQI
24AQI
2nd June 2025
42AQI
42AQI
3rd June 2025
32AQI
32AQI
4th June 2025
27AQI
27AQI
5th June 2025
24AQI
24AQI
6th June 2025
21AQI
21AQI
7th June 2025
22AQI
22AQI
8th June 2025
23AQI
23AQI
9th June 2025
25AQI
25AQI
10th June 2025
26AQI
26AQI
11th June 2025
29AQI
29AQI
12th June 2025
35AQI
35AQI
13th June 2025
33AQI
33AQI
14th June 2025
31AQI
31AQI
15th June 2025
32AQI
32AQI
16th June 2025
29AQI
29AQI
17th June 2025
24AQI
24AQI
18th June 2025
21AQI
21AQI
19th June 2025
24AQI
24AQI
20th June 2025
26AQI
26AQI
21st June 2025
22AQI
22AQI
22nd June 2025
21AQI
21AQI
23rd June 2025
24AQI
24AQI
24th June 2025
25AQI
25AQI
25th June 2025
27AQI
27AQI
26th June 2025
23AQI
23AQI
27th June 2025
21AQI
21AQI
28th June 2025
20AQI
20AQI
29th June 2025
22AQI
22AQI
30th June 2025
25AQI
25AQI
1st July 2025
26AQI
26AQI
2nd July 2025
26AQI
26AQI
3rd July 2025
23AQI
23AQI
4th July 2025
25AQI
25AQI
5th July 2025
31AQI
31AQI
6th July 2025
31AQI
31AQI
7th July 2025
25AQI
25AQI
8th July 2025
25AQI
25AQI
9th July 2025
20AQI
20AQI
10th July 2025
25AQI
25AQI
11th July 2025
43AQI
43AQI
12th July 2025
48AQI
48AQI
13th July 2025
37AQI
37AQI
14th July 2025
34AQI
34AQI
15th July 2025
29AQI
29AQI
16th July 2025
31AQI
31AQI
17th July 2025
27AQI
27AQI
18th July 2025
24AQI
24AQI
19th July 2025
27AQI
27AQI
20th July 2025
24AQI
24AQI
21st July 2025
27AQI
27AQI
22nd July 2025
22AQI
22AQI
23rd July 2025
24AQI
24AQI
24th July 2025
20AQI
20AQI
25th July 2025
18AQI
18AQI
26th July 2025
17AQI
17AQI
27th July 2025
17AQI
17AQI
28th July 2025
19AQI
19AQI
29th July 2025
21AQI
21AQI
30th July 2025
27AQI
27AQI
31st July 2025
25AQI
25AQI
1st August 2025
25AQI
25AQI
2nd August 2025
23AQI
23AQI
3rd August 2025
26AQI
26AQI
4th August 2025
28AQI
28AQI
5th August 2025
29AQI
29AQI
6th August 2025
28AQI
28AQI
7th August 2025
23AQI
23AQI
8th August 2025
23AQI
23AQI
9th August 2025
26AQI
26AQI
10th August 2025
25AQI
25AQI
11th August 2025
35AQI
35AQI
12th August 2025
32AQI
32AQI
13th August 2025
35AQI
35AQI
14th August 2025
22AQI
22AQI
15th August 2025
25AQI
25AQI
16th August 2025
22AQI
22AQI
17th August 2025
19AQI
19AQI
18th August 2025
19AQI
19AQI
19th August 2025
23AQI
23AQI
20th August 2025
25AQI
25AQI
21st August 2025
30AQI
30AQI
22nd August 2025
41AQI
41AQI
23rd August 2025
41AQI
41AQI
24th August 2025
36AQI
36AQI
25th August 2025
33AQI
33AQI
26th August 2025
36AQI
36AQI
27th August 2025
34AQI
34AQI
28th August 2025
31AQI
31AQI
29th August 2025
28AQI
28AQI
30th August 2025
30AQI
30AQI
31st August 2025
30AQI
30AQI
1st September 2025
25AQI
25AQI
2nd September 2025
35AQI
35AQI
3rd September 2025
38AQI
38AQI
4th September 2025
38AQI
38AQI
5th September 2025
39AQI
39AQI
6th September 2025
28AQI
28AQI
7th September 2025
34AQI
34AQI
8th September 2025
29AQI
29AQI
9th September 2025
19AQI
19AQI
10th September 2025
21AQI
21AQI
11th September 2025
27AQI
27AQI
12th September 2025
30AQI
30AQI
13th September 2025
34AQI
34AQI
14th September 2025
22AQI
22AQI
15th September 2025
23AQI
23AQI
16th September 2025
26AQI
26AQI
17th September 2025
30AQI
30AQI
18th September 2025
28AQI
28AQI
19th September 2025
32AQI
32AQI
20th September 2025
33AQI
33AQI
21st September 2025
31AQI
31AQI
22nd September 2025
27AQI
27AQI
23rd September 2025
29AQI
29AQI
24th September 2025
35AQI
35AQI
25th September 2025
30AQI
30AQI
26th September 2025
37AQI
37AQI
27th September 2025
46AQI
46AQI
28th September 2025
72AQI
72AQI
29th September 2025
29AQI
29AQI
30th September 2025
17AQI
17AQI
1st October 2025
17AQI
17AQI
2nd October 2025
40AQI
40AQI
3rd October 2025
34AQI
34AQI
4th October 2025
40AQI
40AQI
5th October 2025
31AQI
31AQI
6th October 2025
38AQI
38AQI
7th October 2025
47AQI
47AQI
8th October 2025
59AQI
59AQI
9th October 2025
48AQI
48AQI
10th October 2025
37AQI
37AQI
11th October 2025
26AQI
26AQI
12th October 2025
41AQI
41AQI
13th October 2025
43AQI
43AQI
14th October 2025
36AQI
36AQI
15th October 2025
23AQI
23AQI
16th October 2025
37AQI
37AQI
17th October 2025
42AQI
42AQI
18th October 2025
45AQI
45AQI
19th October 2025
54AQI
54AQI
20th October 2025
30AQI
30AQI
21st October 2025
45AQI
45AQI
22nd October 2025
59AQI
59AQI
23rd October 2025
45AQI
45AQI
24th October 2025
44AQI
44AQI
25th October 2025
24AQI
24AQI
26th October 2025
25AQI
25AQI
27th October 2025
30AQI
30AQI
28th October 2025
43AQI
43AQI
29th October 2025
54AQI
54AQI
30th October 2025
52AQI
52AQI
31st October 2025
36AQI
36AQI
1st November 2025
40AQI
40AQI
2nd November 2025
35AQI
35AQI
3rd November 2025
32AQI
32AQI
4th November 2025
24AQI
24AQI
5th November 2025
25AQI
25AQI
6th November 2025
27AQI
27AQI
7th November 2025
19AQI
19AQI
8th November 2025
32AQI
32AQI
9th November 2025
45AQI
45AQI
10th November 2025
51AQI
51AQI
11th November 2025
53AQI
53AQI
12th November 2025
40AQI
40AQI
13th November 2025
23AQI
23AQI
14th November 2025
26AQI
26AQI
15th November 2025
39AQI
39AQI
16th November 2025
31AQI
31AQI
17th November 2025
21AQI
21AQI
18th November 2025
33AQI
33AQI
19th November 2025
44AQI
44AQI
20th November 2025
29AQI
29AQI
21st November 2025
42AQI
42AQI
22nd November 2025
46AQI
46AQI
23rd November 2025
54AQI
54AQI
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
47AQI
33AQI
26AQI
24AQI
22AQI
26AQI
26AQI
28AQI
31AQI
40AQI
35AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202531AQI
19
12
28
31
30
31
30
31
31
29
1
26
5
20
3
306
21
Highest AQI recorded in
January47AQI
Lowest AQI recorded in
May22AQI
202430AQI
29
2
29
31
30
31
28
31
30
1
29
1
30
1
26
3
1
22
7
1
1
346
15
2
1
Highest AQI recorded in
December47AQI
Lowest AQI recorded in
May23AQI
202330AQI
29
27
1
29
30
28
26
1
20
7
22
5
1
24
4
31
22
7
24
6
312
31
1
Highest AQI recorded in
August43AQI
Lowest AQI recorded in
April19AQI
202235AQI
13
17
19
3
31
29
31
30
19
2
2
1
20
9
24
4
15
15
22
9
255
60
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
May24AQI
202134AQI
27
3
28
31
29
1
31
30
30
1
11
14
6
21
8
1
31
23
6
20
11
312
44
7
Highest AQI recorded in
August66AQI
Lowest AQI recorded in
June21AQI
202037AQI
13
20
18
24
31
23
2
4
2
10
10
9
1
22
6
1
1
27
3
24
7
212
28
14
4
Highest AQI recorded in
September76AQI
Lowest AQI recorded in
May16AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
37AQILeast Polluted Year Recorded
2023(Avg.)
30AQIUkiah Library's annual 2025 AQI (31) shows an average percentage change of -7.07% (improved AQI) compared to previous years: 2020 (37), 2021 (34), 2022 (35), 2023 (30), 2024 (30).
