Yreka, 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
Yreka, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
18th Aug 2023
229AQILowest AQI recorded on
24th Aug 2024
19AQISame Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 28 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Yreka, California, United States
AQI
Day
Night
.
6 AM10th Aug 2025
8 PM
5 AM11th Aug 2025
Day time
Avg. Highest Time
12PM10th Aug
32AQI
Avg. Lowest Time
6PM10th Aug
23AQI
Night time
Avg. Highest Time
4AM11th Aug
29AQI
Avg. Lowest Time
10PM10th Aug
21AQI
In the last 24 hours,
Yreka's AQI reached its highest point of 32 at 12 PM during the Day, while the lowest point, 21, was recorded at 10 PM during the Night between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Yreka, California, United States
JulAug
12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
12th Jul 2025366 AMAQI
12th Jul 2025357 AMAQI
12th Jul 2025368 AMAQI
12th Jul 2025369 AMAQI
12th Jul 20253810 AMAQI
12th Jul 20253811 AMAQI
12th Jul 20253712 PMAQI
12th Jul 2025381 PMAQI
12th Jul 2025372 PMAQI
12th Jul 2025363 PMAQI
12th Jul 2025324 PMAQI
12th Jul 2025325 PMAQI
12th Jul 2025306 PMAQI
12th Jul 2025327 PMAQI
12th Jul 2025328 PMAQI
12th Jul 2025289 PMAQI
12th Jul 20253010 PMAQI
12th Jul 20253011 PMAQI
13th Jul 20253312 AMAQI
13th Jul 2025391 AMAQI
13th Jul 2025382 AMAQI
13th Jul 2025413 AMAQI
13th Jul 2025364 AMAQI
13th Jul 2025405 AMAQI
26°C15/38°C
13th Jul 2025366 AMAQI
13th Jul 2025357 AMAQI
13th Jul 2025358 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253611 AMAQI
13th Jul 20253612 PMAQI
13th Jul 2025391 PMAQI
13th Jul 2025382 PMAQI
13th Jul 2025363 PMAQI
13th Jul 2025364 PMAQI
13th Jul 2025345 PMAQI
13th Jul 2025346 PMAQI
13th Jul 2025367 PMAQI
13th Jul 2025348 PMAQI
13th Jul 2025329 PMAQI
13th Jul 20253410 PMAQI
13th Jul 20253311 PMAQI
14th Jul 20253312 AMAQI
14th Jul 2025321 AMAQI
14th Jul 2025332 AMAQI
14th Jul 2025343 AMAQI
14th Jul 2025344 AMAQI
14th Jul 2025335 AMAQI
28°C18/39°C
14th Jul 2025346 AMAQI
14th Jul 2025307 AMAQI
14th Jul 2025298 AMAQI
14th Jul 2025319 AMAQI
14th Jul 20253310 AMAQI
14th Jul 20253811 AMAQI
14th Jul 20254012 PMAQI
14th Jul 2025351 PMAQI
14th Jul 2025312 PMAQI
14th Jul 2025333 PMAQI
14th Jul 2025304 PMAQI
14th Jul 2025325 PMAQI
14th Jul 2025336 PMAQI
14th Jul 2025317 PMAQI
14th Jul 2025318 PMAQI
14th Jul 2025269 PMAQI
14th Jul 20253010 PMAQI
14th Jul 20253111 PMAQI
15th Jul 20253412 AMAQI
15th Jul 2025331 AMAQI
15th Jul 2025342 AMAQI
15th Jul 2025353 AMAQI
15th Jul 2025314 AMAQI
15th Jul 2025315 AMAQI
28°C20/36°C
15th Jul 2025346 AMAQI
15th Jul 2025347 AMAQI
15th Jul 2025348 AMAQI
15th Jul 2025319 AMAQI
15th Jul 20253510 AMAQI
15th Jul 20253711 AMAQI
15th Jul 20253812 PMAQI
15th Jul 2025351 PMAQI
15th Jul 2025332 PMAQI
15th Jul 2025313 PMAQI
15th Jul 2025344 PMAQI
15th Jul 2025385 PMAQI
15th Jul 2025376 PMAQI
15th Jul 2025357 PMAQI
15th Jul 2025358 PMAQI
15th Jul 2025429 PMAQI
15th Jul 20254110 PMAQI
15th Jul 20254111 PMAQI
16th Jul 20254312 AMAQI
16th Jul 2025411 AMAQI
16th Jul 2025392 AMAQI
16th Jul 2025453 AMAQI
16th Jul 2025464 AMAQI
16th Jul 2025425 AMAQI
27°C18/36°C
16th Jul 2025436 AMAQI
16th Jul 2025447 AMAQI
16th Jul 2025458 AMAQI
16th Jul 2025349 AMAQI
16th Jul 20253610 AMAQI
16th Jul 20254111 AMAQI
16th Jul 20254612 PMAQI
16th Jul 2025461 PMAQI
16th Jul 2025482 PMAQI
16th Jul 2025403 PMAQI
16th Jul 2025374 PMAQI
16th Jul 2025385 PMAQI
16th Jul 2025426 PMAQI
16th Jul 2025497 PMAQI
16th Jul 2025478 PMAQI
16th Jul 2025469 PMAQI
16th Jul 20254610 PMAQI
16th Jul 20254511 PMAQI
17th Jul 20254612 AMAQI
17th Jul 2025451 AMAQI
17th Jul 2025472 AMAQI
17th Jul 2025483 AMAQI
17th Jul 2025494 AMAQI
17th Jul 2025485 AMAQI
27°C19/35°C
17th Jul 2025486 AMAQI
17th Jul 2025477 AMAQI
17th Jul 2025478 AMAQI
17th Jul 2025469 AMAQI
17th Jul 20254610 AMAQI
17th Jul 20254811 AMAQI
17th Jul 20254712 PMAQI
17th Jul 2025451 PMAQI
17th Jul 2025442 PMAQI
17th Jul 2025443 PMAQI
17th Jul 2025434 PMAQI
17th Jul 2025405 PMAQI
17th Jul 2025426 PMAQI
17th Jul 2025477 PMAQI
17th Jul 2025478 PMAQI
17th Jul 2025479 PMAQI
17th Jul 20254510 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20254512 AMAQI
18th Jul 2025431 AMAQI
18th Jul 2025432 AMAQI
18th Jul 2025443 AMAQI
18th Jul 2025394 AMAQI
18th Jul 2025395 AMAQI
26°C19/35°C
18th Jul 2025416 AMAQI
18th Jul 2025417 AMAQI
18th Jul 2025408 AMAQI
18th Jul 2025419 AMAQI
18th Jul 20254010 AMAQI
18th Jul 20254011 AMAQI
18th Jul 20254412 PMAQI
18th Jul 2025401 PMAQI
18th Jul 2025422 PMAQI
18th Jul 2025413 PMAQI
18th Jul 2025424 PMAQI
18th Jul 2025455 PMAQI
18th Jul 2025496 PMAQI
18th Jul 2025427 PMAQI
18th Jul 2025428 PMAQI
18th Jul 2025489 PMAQI
18th Jul 20254810 PMAQI
18th Jul 20254711 PMAQI
19th Jul 20254412 AMAQI
19th Jul 2025401 AMAQI
19th Jul 2025392 AMAQI
19th Jul 2025393 AMAQI
19th Jul 2025384 AMAQI
19th Jul 2025365 AMAQI
25°C18/34°C
19th Jul 2025356 AMAQI
19th Jul 2025367 AMAQI
19th Jul 2025388 AMAQI
19th Jul 2025419 AMAQI
19th Jul 20254810 AMAQI
19th Jul 20255011 AMAQI
19th Jul 20254812 PMAQI
19th Jul 2025451 PMAQI
19th Jul 2025402 PMAQI
19th Jul 2025383 PMAQI
19th Jul 2025354 PMAQI
19th Jul 2025335 PMAQI
19th Jul 2025316 PMAQI
19th Jul 2025347 PMAQI
19th Jul 2025378 PMAQI
19th Jul 2025239 PMAQI
19th Jul 20252310 PMAQI
19th Jul 20253211 PMAQI
20th Jul 20253312 AMAQI
20th Jul 2025321 AMAQI
20th Jul 2025332 AMAQI
20th Jul 2025323 AMAQI
20th Jul 2025244 AMAQI
20th Jul 2025245 AMAQI
24°C15/33°C
20th Jul 2025216 AMAQI
20th Jul 2025207 AMAQI
20th Jul 2025238 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20253110 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20253012 PMAQI
20th Jul 2025251 PMAQI
20th Jul 2025222 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025214 PMAQI
20th Jul 2025195 PMAQI
20th Jul 2025206 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025198 PMAQI
20th Jul 2025209 PMAQI
20th Jul 20252410 PMAQI
20th Jul 20252611 PMAQI
21st Jul 20252512 AMAQI
21st Jul 2025221 AMAQI
21st Jul 2025242 AMAQI
21st Jul 2025233 AMAQI
21st Jul 2025254 AMAQI
21st Jul 2025215 AMAQI
24°C16/33°C
21st Jul 2025226 AMAQI
21st Jul 2025227 AMAQI
21st Jul 2025278 AMAQI
21st Jul 2025249 AMAQI
21st Jul 20252210 AMAQI
21st Jul 20252311 AMAQI
21st Jul 20252612 PMAQI
21st Jul 2025281 PMAQI
21st Jul 2025252 PMAQI
21st Jul 2025243 PMAQI
21st Jul 2025254 PMAQI
21st Jul 2025275 PMAQI
21st Jul 2025286 PMAQI
21st Jul 2025287 PMAQI
21st Jul 2025258 PMAQI
21st Jul 2025209 PMAQI
21st Jul 20252510 PMAQI
21st Jul 20253311 PMAQI
22nd Jul 20253312 AMAQI
22nd Jul 2025311 AMAQI
22nd Jul 2025312 AMAQI
22nd Jul 2025323 AMAQI
22nd Jul 2025294 AMAQI
22nd Jul 2025255 AMAQI
21°C15/27°C
22nd Jul 2025246 AMAQI
22nd Jul 2025247 AMAQI
22nd Jul 2025308 AMAQI
22nd Jul 2025329 AMAQI
22nd Jul 20253410 AMAQI
22nd Jul 20253211 AMAQI
22nd Jul 20253312 PMAQI
22nd Jul 2025331 PMAQI
22nd Jul 2025292 PMAQI
22nd Jul 2025313 PMAQI
22nd Jul 2025344 PMAQI
22nd Jul 2025335 PMAQI
22nd Jul 2025366 PMAQI
22nd Jul 2025347 PMAQI
22nd Jul 2025318 PMAQI
22nd Jul 2025239 PMAQI
22nd Jul 20252110 PMAQI
22nd Jul 20252311 PMAQI
23rd Jul 20252412 AMAQI
23rd Jul 2025271 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025363 AMAQI
23rd Jul 2025334 AMAQI
23rd Jul 2025325 AMAQI
21°C13/30°C
23rd Jul 2025306 AMAQI
23rd Jul 2025227 AMAQI
23rd Jul 2025238 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20253410 AMAQI
23rd Jul 20253411 AMAQI
23rd Jul 20253212 PMAQI
23rd Jul 2025391 PMAQI
23rd Jul 2025352 PMAQI
23rd Jul 2025363 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025205 PMAQI
23rd Jul 2025216 PMAQI
23rd Jul 2025257 PMAQI
23rd Jul 2025238 PMAQI
23rd Jul 2025249 PMAQI
23rd Jul 20252410 PMAQI
23rd Jul 20252311 PMAQI
24th Jul 20252512 AMAQI
24th Jul 2025251 AMAQI
24th Jul 2025262 AMAQI
24th Jul 2025273 AMAQI
24th Jul 2025284 AMAQI
24th Jul 2025305 AMAQI
24°C15/32°C
24th Jul 2025306 AMAQI
24th Jul 2025287 AMAQI
24th Jul 2025278 AMAQI
24th Jul 2025289 AMAQI
24th Jul 20253410 AMAQI
24th Jul 20253711 AMAQI
24th Jul 20254012 PMAQI
24th Jul 2025381 PMAQI
24th Jul 2025312 PMAQI
24th Jul 2025303 PMAQI
24th Jul 2025304 PMAQI
24th Jul 2025275 PMAQI
24th Jul 2025256 PMAQI
24th Jul 2025287 PMAQI
24th Jul 2025308 PMAQI
24th Jul 2025339 PMAQI
24th Jul 20253310 PMAQI
24th Jul 20253211 PMAQI
25th Jul 20253012 AMAQI
25th Jul 2025271 AMAQI
25th Jul 2025252 AMAQI
25th Jul 2025253 AMAQI
25th Jul 2025224 AMAQI
25th Jul 2025215 AMAQI
24°C15/33°C
25th Jul 2025216 AMAQI
25th Jul 2025237 AMAQI
25th Jul 2025248 AMAQI
25th Jul 2025269 AMAQI
25th Jul 20252610 AMAQI
25th Jul 20253011 AMAQI
25th Jul 20253112 PMAQI
25th Jul 2025291 PMAQI
25th Jul 2025292 PMAQI
25th Jul 2025283 PMAQI
25th Jul 2025274 PMAQI
25th Jul 2025245 PMAQI
25th Jul 2025246 PMAQI
25th Jul 2025247 PMAQI
25th Jul 2025248 PMAQI
25th Jul 2025229 PMAQI
25th Jul 20251810 PMAQI
25th Jul 20251811 PMAQI
26th Jul 20252012 AMAQI
26th Jul 2025241 AMAQI
26th Jul 2025262 AMAQI
26th Jul 2025263 AMAQI
26th Jul 2025234 AMAQI
26th Jul 2025235 AMAQI
22°C14/32°C
26th Jul 2025236 AMAQI
26th Jul 2025227 AMAQI
26th Jul 2025228 AMAQI
26th Jul 2025269 AMAQI
26th Jul 20253510 AMAQI
26th Jul 20253111 AMAQI
26th Jul 20252312 PMAQI
26th Jul 2025251 PMAQI
26th Jul 2025252 PMAQI
26th Jul 2025273 PMAQI
26th Jul 2025274 PMAQI
26th Jul 2025255 PMAQI
26th Jul 2025216 PMAQI
26th Jul 2025227 PMAQI
26th Jul 2025228 PMAQI
26th Jul 2025239 PMAQI
26th Jul 20253510 PMAQI
26th Jul 20253411 PMAQI
27th Jul 20253712 AMAQI
27th Jul 2025271 AMAQI
27th Jul 2025222 AMAQI
27th Jul 2025193 AMAQI
27th Jul 2025174 AMAQI
27th Jul 2025205 AMAQI
21°C13/30°C
27th Jul 2025246 AMAQI
27th Jul 2025217 AMAQI
27th Jul 2025208 AMAQI
27th Jul 2025189 AMAQI
27th Jul 20252010 AMAQI
27th Jul 20251711 AMAQI
27th Jul 20251612 PMAQI
27th Jul 2025161 PMAQI
27th Jul 2025172 PMAQI
27th Jul 2025183 PMAQI
27th Jul 2025194 PMAQI
27th Jul 2025215 PMAQI
27th Jul 2025206 PMAQI
27th Jul 2025187 PMAQI
27th Jul 2025188 PMAQI
27th Jul 2025209 PMAQI
27th Jul 20252010 PMAQI
27th Jul 20251911 PMAQI
28th Jul 20252012 AMAQI
28th Jul 2025241 AMAQI
28th Jul 2025272 AMAQI
28th Jul 2025293 AMAQI
28th Jul 2025274 AMAQI
28th Jul 2025245 AMAQI
22°C13/31°C
28th Jul 2025236 AMAQI
28th Jul 2025247 AMAQI
28th Jul 2025228 AMAQI
28th Jul 2025309 AMAQI
28th Jul 20252210 AMAQI
28th Jul 20252011 AMAQI
28th Jul 20252212 PMAQI
28th Jul 2025311 PMAQI
28th Jul 2025292 PMAQI
28th Jul 2025233 PMAQI
28th Jul 2025214 PMAQI
28th Jul 2025195 PMAQI
28th Jul 2025206 PMAQI
28th Jul 2025217 PMAQI
28th Jul 2025208 PMAQI
28th Jul 2025199 PMAQI
28th Jul 20251910 PMAQI
28th Jul 20252111 PMAQI
29th Jul 20252212 AMAQI
29th Jul 2025321 AMAQI
29th Jul 2025272 AMAQI
29th Jul 2025273 AMAQI
29th Jul 2025264 AMAQI
29th Jul 2025275 AMAQI
23°C14/32°C
29th Jul 2025286 AMAQI
29th Jul 2025277 AMAQI
29th Jul 2025248 AMAQI
29th Jul 2025279 AMAQI
29th Jul 20252910 AMAQI
29th Jul 20253211 AMAQI
29th Jul 20253212 PMAQI
29th Jul 2025311 PMAQI
29th Jul 2025242 PMAQI
29th Jul 2025223 PMAQI
29th Jul 2025224 PMAQI
29th Jul 2025225 PMAQI
29th Jul 2025216 PMAQI
29th Jul 2025217 PMAQI
29th Jul 2025228 PMAQI
29th Jul 2025219 PMAQI
29th Jul 20252010 PMAQI
29th Jul 20252111 PMAQI
30th Jul 20252512 AMAQI
30th Jul 2025261 AMAQI
30th Jul 2025292 AMAQI
30th Jul 2025263 AMAQI
30th Jul 2025264 AMAQI
30th Jul 2025285 AMAQI
25°C16/33°C
30th Jul 2025266 AMAQI
30th Jul 2025277 AMAQI
30th Jul 2025268 AMAQI
30th Jul 2025279 AMAQI
30th Jul 20253010 AMAQI
30th Jul 20253111 AMAQI
30th Jul 20252912 PMAQI
30th Jul 2025271 PMAQI
30th Jul 2025262 PMAQI
30th Jul 2025253 PMAQI
30th Jul 2025254 PMAQI
30th Jul 2025255 PMAQI
30th Jul 2025256 PMAQI
30th Jul 2025257 PMAQI
30th Jul 2025258 PMAQI
30th Jul 2025239 PMAQI
30th Jul 20252110 PMAQI
30th Jul 20252211 PMAQI
31st Jul 20252212 AMAQI
31st Jul 2025221 AMAQI
31st Jul 2025262 AMAQI
31st Jul 2025313 AMAQI
31st Jul 2025294 AMAQI
31st Jul 2025285 AMAQI
22°C15/33°C
31st Jul 2025286 AMAQI
31st Jul 2025337 AMAQI
31st Jul 2025288 AMAQI
31st Jul 2025389 AMAQI
31st Jul 20253010 AMAQI
31st Jul 20253211 AMAQI
31st Jul 20253112 PMAQI
31st Jul 2025331 PMAQI
31st Jul 2025322 PMAQI
31st Jul 2025323 PMAQI
31st Jul 2025334 PMAQI
31st Jul 2025325 PMAQI
31st Jul 2025306 PMAQI
31st Jul 2025257 PMAQI
31st Jul 2025278 PMAQI
31st Jul 2025309 PMAQI
31st Jul 20253110 PMAQI
31st Jul 20253311 PMAQI
1st Aug 20253412 AMAQI
1st Aug 2025331 AMAQI
1st Aug 2025292 AMAQI
1st Aug 2025283 AMAQI
1st Aug 2025274 AMAQI
1st Aug 2025255 AMAQI
22°C12/32°C
1st Aug 2025266 AMAQI
1st Aug 2025277 AMAQI
1st Aug 2025298 AMAQI
1st Aug 2025309 AMAQI
1st Aug 20253210 AMAQI
1st Aug 20253711 AMAQI
1st Aug 20253612 PMAQI
1st Aug 2025351 PMAQI
1st Aug 2025352 PMAQI
1st Aug 2025333 PMAQI
1st Aug 2025304 PMAQI
1st Aug 2025305 PMAQI
1st Aug 2025346 PMAQI
1st Aug 2025307 PMAQI
1st Aug 2025298 PMAQI
1st Aug 2025279 PMAQI
1st Aug 20252810 PMAQI
1st Aug 20253011 PMAQI
2nd Aug 20253112 AMAQI
2nd Aug 2025291 AMAQI
2nd Aug 2025262 AMAQI
2nd Aug 2025283 AMAQI
2nd Aug 2025294 AMAQI
2nd Aug 2025295 AMAQI
22°C13/32°C
2nd Aug 2025276 AMAQI
2nd Aug 2025267 AMAQI
2nd Aug 2025278 AMAQI
2nd Aug 2025289 AMAQI
2nd Aug 20252810 AMAQI
2nd Aug 20252711 AMAQI
2nd Aug 20252912 PMAQI
2nd Aug 2025281 PMAQI
2nd Aug 2025292 PMAQI
2nd Aug 2025303 PMAQI
2nd Aug 2025284 PMAQI
2nd Aug 2025285 PMAQI
2nd Aug 2025286 PMAQI
2nd Aug 2025277 PMAQI
2nd Aug 2025288 PMAQI
2nd Aug 2025269 PMAQI
2nd Aug 20252610 PMAQI
2nd Aug 20252711 PMAQI
3rd Aug 20253012 AMAQI
3rd Aug 2025321 AMAQI
3rd Aug 2025322 AMAQI
3rd Aug 2025333 AMAQI
3rd Aug 2025304 AMAQI
3rd Aug 2025315 AMAQI
22°C15/31°C
3rd Aug 2025316 AMAQI
3rd Aug 2025297 AMAQI
3rd Aug 2025268 AMAQI
3rd Aug 2025259 AMAQI
3rd Aug 20252410 AMAQI
3rd Aug 20252411 AMAQI
3rd Aug 20252212 PMAQI
3rd Aug 2025231 PMAQI
3rd Aug 2025222 PMAQI
3rd Aug 2025233 PMAQI
3rd Aug 2025244 PMAQI
3rd Aug 2025265 PMAQI
3rd Aug 2025296 PMAQI
3rd Aug 2025297 PMAQI
3rd Aug 2025308 PMAQI
3rd Aug 2025269 PMAQI
3rd Aug 20252810 PMAQI
3rd Aug 20253411 PMAQI
4th Aug 20253312 AMAQI
4th Aug 2025281 AMAQI
4th Aug 2025252 AMAQI
4th Aug 2025243 AMAQI
4th Aug 2025244 AMAQI
4th Aug 2025245 AMAQI
21°C15/29°C
4th Aug 2025236 AMAQI
4th Aug 2025237 AMAQI
4th Aug 2025228 AMAQI
4th Aug 2025249 AMAQI
4th Aug 20252410 AMAQI
4th Aug 20252611 AMAQI
4th Aug 20253112 PMAQI
4th Aug 2025381 PMAQI
4th Aug 2025402 PMAQI
4th Aug 2025363 PMAQI
4th Aug 2025334 PMAQI
4th Aug 2025285 PMAQI
4th Aug 2025246 PMAQI
4th Aug 2025247 PMAQI
4th Aug 2025228 PMAQI
4th Aug 2025219 PMAQI
4th Aug 20252110 PMAQI
4th Aug 20252211 PMAQI
5th Aug 20252412 AMAQI
5th Aug 2025231 AMAQI
5th Aug 2025242 AMAQI
5th Aug 2025213 AMAQI
5th Aug 2025234 AMAQI
5th Aug 2025225 AMAQI
19°C10/27°C
5th Aug 2025226 AMAQI
5th Aug 2025237 AMAQI
5th Aug 2025228 AMAQI
5th Aug 2025249 AMAQI
5th Aug 20252510 AMAQI
5th Aug 20252711 AMAQI
5th Aug 20252812 PMAQI
5th Aug 2025261 PMAQI
5th Aug 2025262 PMAQI
5th Aug 2025263 PMAQI
5th Aug 2025284 PMAQI
5th Aug 2025285 PMAQI
5th Aug 2025286 PMAQI
5th Aug 2025237 PMAQI
5th Aug 2025258 PMAQI
5th Aug 2025259 PMAQI
5th Aug 20252410 PMAQI
5th Aug 20252511 PMAQI
6th Aug 20252612 AMAQI
6th Aug 2025271 AMAQI
6th Aug 2025262 AMAQI
6th Aug 2025243 AMAQI
6th Aug 2025254 AMAQI
6th Aug 2025265 AMAQI
21°C13/29°C
6th Aug 2025256 AMAQI
6th Aug 2025247 AMAQI
6th Aug 2025248 AMAQI
6th Aug 2025289 AMAQI
6th Aug 20252910 AMAQI
6th Aug 20253111 AMAQI
6th Aug 20253112 PMAQI
6th Aug 2025291 PMAQI
6th Aug 2025282 PMAQI
6th Aug 2025273 PMAQI
6th Aug 2025264 PMAQI
6th Aug 2025215 PMAQI
6th Aug 2025206 PMAQI
6th Aug 2025237 PMAQI
6th Aug 2025218 PMAQI
6th Aug 2025199 PMAQI
6th Aug 20251810 PMAQI
6th Aug 20251911 PMAQI
7th Aug 20252112 AMAQI
7th Aug 2025211 AMAQI
7th Aug 2025232 AMAQI
7th Aug 2025233 AMAQI
7th Aug 2025204 AMAQI
7th Aug 2025205 AMAQI
20°C12/29°C
7th Aug 2025206 AMAQI
7th Aug 2025207 AMAQI
7th Aug 2025208 AMAQI
7th Aug 2025209 AMAQI
7th Aug 20252210 AMAQI
7th Aug 20252211 AMAQI
7th Aug 20252212 PMAQI
7th Aug 2025211 PMAQI
7th Aug 2025212 PMAQI
7th Aug 2025213 PMAQI
7th Aug 2025224 PMAQI
7th Aug 2025215 PMAQI
7th Aug 2025206 PMAQI
7th Aug 2025217 PMAQI
7th Aug 2025208 PMAQI
7th Aug 2025229 PMAQI
7th Aug 20252110 PMAQI
7th Aug 20252111 PMAQI
8th Aug 20252212 AMAQI
8th Aug 2025221 AMAQI
8th Aug 2025202 AMAQI
8th Aug 2025203 AMAQI
8th Aug 2025194 AMAQI
8th Aug 2025195 AMAQI
20°C13/29°C
8th Aug 2025196 AMAQI
8th Aug 2025207 AMAQI
8th Aug 2025238 AMAQI
8th Aug 2025259 AMAQI
8th Aug 20252410 AMAQI
8th Aug 20252211 AMAQI
8th Aug 20252212 PMAQI
8th Aug 2025251 PMAQI
8th Aug 2025232 PMAQI
8th Aug 2025213 PMAQI
8th Aug 2025204 PMAQI
8th Aug 2025205 PMAQI
8th Aug 2025226 PMAQI
8th Aug 2025207 PMAQI
8th Aug 2025208 PMAQI
8th Aug 2025209 PMAQI
8th Aug 20251910 PMAQI
8th Aug 20252011 PMAQI
9th Aug 20252212 AMAQI
9th Aug 2025221 AMAQI
9th Aug 2025212 AMAQI
9th Aug 2025233 AMAQI
9th Aug 2025234 AMAQI
9th Aug 2025235 AMAQI
22°C13/32°C
9th Aug 2025226 AMAQI
9th Aug 2025227 AMAQI
9th Aug 2025218 AMAQI
9th Aug 2025229 AMAQI
9th Aug 20252610 AMAQI
9th Aug 20252211 AMAQI
9th Aug 20252212 PMAQI
9th Aug 2025231 PMAQI
9th Aug 2025222 PMAQI
9th Aug 2025213 PMAQI
9th Aug 2025214 PMAQI
9th Aug 2025225 PMAQI
9th Aug 2025246 PMAQI
9th Aug 2025247 PMAQI
9th Aug 2025248 PMAQI
9th Aug 2025279 PMAQI
9th Aug 20252510 PMAQI
9th Aug 20252411 PMAQI
10th Aug 20252612 AMAQI
10th Aug 2025291 AMAQI
10th Aug 2025282 AMAQI
10th Aug 2025283 AMAQI
10th Aug 2025294 AMAQI
10th Aug 2025305 AMAQI
24°C16/35°C
10th Aug 2025296 AMAQI
10th Aug 2025297 AMAQI
10th Aug 2025288 AMAQI
10th Aug 2025309 AMAQI
10th Aug 20253010 AMAQI
10th Aug 20252911 AMAQI
10th Aug 20253212 PMAQI
10th Aug 2025311 PMAQI
10th Aug 2025282 PMAQI
10th Aug 2025273 PMAQI
10th Aug 2025274 PMAQI
10th Aug 2025245 PMAQI
10th Aug 2025236 PMAQI
10th Aug 2025267 PMAQI
10th Aug 2025258 PMAQI
10th Aug 2025219 PMAQI
10th Aug 20252110 PMAQI
10th Aug 20252311 PMAQI
11th Aug 20252412 AMAQI
11th Aug 2025281 AMAQI
11th Aug 2025282 AMAQI
11th Aug 2025273 AMAQI
11th Aug 2025294 AMAQI
11th Aug 2025275 AMAQI
27°C16/38°C
11th Aug 2025296 AMAQI
6 AM11th Aug 2025307 AMAQI
11th Aug 2025318 AMAQI
11th Aug 2025339 AMAQI
11th Aug 20253710 AMAQI
11th Aug 20253811 AMAQI
11th Aug 20253912 PMAQI
11th Aug 2025351 PMAQI
1 PM11th Aug 2025332 PMAQI
11th Aug 2025333 PMAQI
11th Aug 2025324 PMAQI
11th Aug 2025295 PMAQI
8 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
9 AM - 1 PM
31AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
6 AM - 8 AM
28AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 1 PM (Avg. 31), while the lowest AQI was between 6 AM to 8 AM (Avg. 28).
Night time
Avg. Highest Time
12 AM - 5 AM
30AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
9 PM - 10 PM
27AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 30), while the lowest AQI was between 9 PM to 10 PM (Avg. 27).
2025 Days Vs Air Quality
Yreka, California, United States
2025
95%
212
5%
10
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Good
212 DaysModerate
10 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 223 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Yreka, California, United States
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
43AQI
43AQI
2nd January 2025
37AQI
37AQI
3rd January 2025
33AQI
33AQI
4th January 2025
27AQI
27AQI
5th January 2025
31AQI
31AQI
6th January 2025
29AQI
29AQI
7th January 2025
32AQI
32AQI
8th January 2025
39AQI
39AQI
9th January 2025
43AQI
43AQI
10th January 2025
42AQI
42AQI
11th January 2025
32AQI
32AQI
12th January 2025
34AQI
34AQI
13th January 2025
34AQI
34AQI
14th January 2025
48AQI
48AQI
15th January 2025
52AQI
52AQI
16th January 2025
50AQI
50AQI
17th January 2025
47AQI
47AQI
18th January 2025
46AQI
46AQI
19th January 2025
51AQI
51AQI
20th January 2025
43AQI
43AQI
21st January 2025
52AQI
52AQI
22nd January 2025
55AQI
55AQI
23rd January 2025
54AQI
54AQI
24th January 2025
52AQI
52AQI
25th January 2025
38AQI
38AQI
26th January 2025
41AQI
41AQI
27th January 2025
51AQI
51AQI
28th January 2025
56AQI
56AQI
29th January 2025
59AQI
59AQI
30th January 2025
59AQI
59AQI
31st January 2025
44AQI
44AQI
1st February 2025
35AQI
35AQI
2nd February 2025
34AQI
34AQI
3rd February 2025
38AQI
38AQI
4th February 2025
38AQI
38AQI
5th February 2025
34AQI
34AQI
6th February 2025
42AQI
42AQI
7th February 2025
34AQI
34AQI
8th February 2025
37AQI
37AQI
9th February 2025
38AQI
38AQI
10th February 2025
34AQI
34AQI
11th February 2025
38AQI
38AQI
12th February 2025
44AQI
44AQI
13th February 2025
33AQI
33AQI
14th February 2025
29AQI
29AQI
15th February 2025
28AQI
28AQI
16th February 2025
28AQI
28AQI
17th February 2025
27AQI
27AQI
18th February 2025
35AQI
35AQI
19th February 2025
31AQI
31AQI
20th February 2025
33AQI
33AQI
21st February 2025
35AQI
35AQI
22nd February 2025
40AQI
40AQI
23rd February 2025
27AQI
27AQI
24th February 2025
28AQI
28AQI
25th February 2025
29AQI
29AQI
26th February 2025
38AQI
38AQI
27th February 2025
41AQI
41AQI
28th February 2025
42AQI
42AQI
1st March 2025
39AQI
39AQI
2nd March 2025
27AQI
27AQI
3rd March 2025
29AQI
29AQI
4th March 2025
34AQI
34AQI
5th March 2025
28AQI
28AQI
6th March 2025
25AQI
25AQI
7th March 2025
31AQI
31AQI
8th March 2025
34AQI
34AQI
9th March 2025
28AQI
28AQI
10th March 2025
28AQI
28AQI
11th March 2025
33AQI
33AQI
12th March 2025
23AQI
23AQI
13th March 2025
20AQI
20AQI
14th March 2025
21AQI
21AQI
15th March 2025
20AQI
20AQI
16th March 2025
18AQI
18AQI
17th March 2025
18AQI
18AQI
18th March 2025
22AQI
22AQI
19th March 2025
24AQI
24AQI
20th March 2025
18AQI
18AQI
21st March 2025
22AQI
22AQI
22nd March 2025
18AQI
18AQI
23rd March 2025
25AQI
25AQI
24th March 2025
24AQI
24AQI
25th March 2025
28AQI
28AQI
26th March 2025
29AQI
29AQI
27th March 2025
23AQI
23AQI
28th March 2025
23AQI
23AQI
29th March 2025
25AQI
25AQI
30th March 2025
27AQI
27AQI
31st March 2025
21AQI
21AQI
1st April 2025
24AQI
24AQI
2nd April 2025
25AQI
25AQI
3rd April 2025
25AQI
25AQI
4th April 2025
28AQI
28AQI
5th April 2025
27AQI
27AQI
6th April 2025
26AQI
26AQI
7th April 2025
20AQI
20AQI
8th April 2025
21AQI
21AQI
9th April 2025
24AQI
24AQI
10th April 2025
26AQI
26AQI
11th April 2025
22AQI
22AQI
12th April 2025
21AQI
21AQI
13th April 2025
27AQI
27AQI
14th April 2025
29AQI
29AQI
15th April 2025
33AQI
33AQI
16th April 2025
29AQI
29AQI
17th April 2025
27AQI
27AQI
18th April 2025
26AQI
26AQI
19th April 2025
24AQI
24AQI
20th April 2025
24AQI
24AQI
21st April 2025
19AQI
19AQI
22nd April 2025
23AQI
23AQI
23rd April 2025
24AQI
24AQI
24th April 2025
31AQI
31AQI
25th April 2025
27AQI
27AQI
26th April 2025
21AQI
21AQI
27th April 2025
22AQI
22AQI
28th April 2025
23AQI
23AQI
29th April 2025
21AQI
21AQI
30th April 2025
23AQI
23AQI
1st May 2025
29AQI
29AQI
2nd May 2025
28AQI
28AQI
3rd May 2025
21AQI
21AQI
4th May 2025
20AQI
20AQI
5th May 2025
20AQI
20AQI
6th May 2025
19AQI
19AQI
7th May 2025
23AQI
23AQI
8th May 2025
21AQI
21AQI
9th May 2025
23AQI
23AQI
10th May 2025
21AQI
21AQI
11th May 2025
21AQI
21AQI
12th May 2025
21AQI
21AQI
13th May 2025
20AQI
20AQI
14th May 2025
19AQI
19AQI
15th May 2025
21AQI
21AQI
16th May 2025
21AQI
21AQI
17th May 2025
19AQI
19AQI
18th May 2025
21AQI
21AQI
19th May 2025
21AQI
21AQI
20th May 2025
17AQI
17AQI
21st May 2025
21AQI
21AQI
22nd May 2025
20AQI
20AQI
23rd May 2025
23AQI
23AQI
24th May 2025
27AQI
27AQI
25th May 2025
23AQI
23AQI
26th May 2025
20AQI
20AQI
27th May 2025
20AQI
20AQI
28th May 2025
29AQI
29AQI
29th May 2025
21AQI
21AQI
30th May 2025
23AQI
23AQI
31st May 2025
29AQI
29AQI
1st June 2025
29AQI
29AQI
2nd June 2025
24AQI
24AQI
3rd June 2025
23AQI
23AQI
4th June 2025
23AQI
23AQI
5th June 2025
25AQI
25AQI
6th June 2025
27AQI
27AQI
7th June 2025
25AQI
25AQI
8th June 2025
29AQI
29AQI
9th June 2025
31AQI
31AQI
10th June 2025
30AQI
30AQI
11th June 2025
30AQI
30AQI
12th June 2025
31AQI
31AQI
13th June 2025
31AQI
31AQI
14th June 2025
29AQI
29AQI
15th June 2025
26AQI
26AQI
16th June 2025
24AQI
24AQI
17th June 2025
23AQI
23AQI
18th June 2025
21AQI
21AQI
19th June 2025
32AQI
32AQI
20th June 2025
25AQI
25AQI
21st June 2025
23AQI
23AQI
22nd June 2025
22AQI
22AQI
23rd June 2025
20AQI
20AQI
24th June 2025
27AQI
27AQI
25th June 2025
30AQI
30AQI
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
29AQI
29AQI
2nd July 2025
32AQI
32AQI
3rd July 2025
25AQI
25AQI
4th July 2025
25AQI
25AQI
5th July 2025
27AQI
27AQI
6th July 2025
28AQI
28AQI
7th July 2025
28AQI
28AQI
8th July 2025
31AQI
31AQI
9th July 2025
34AQI
34AQI
10th July 2025
36AQI
36AQI
11th July 2025
31AQI
31AQI
12th July 2025
34AQI
34AQI
13th July 2025
36AQI
36AQI
14th July 2025
32AQI
32AQI
15th July 2025
35AQI
35AQI
16th July 2025
43AQI
43AQI
17th July 2025
46AQI
46AQI
18th July 2025
43AQI
43AQI
19th July 2025
37AQI
37AQI
20th July 2025
25AQI
25AQI
21st July 2025
25AQI
25AQI
22nd July 2025
30AQI
30AQI
23rd July 2025
29AQI
29AQI
24th July 2025
30AQI
30AQI
25th July 2025
25AQI
25AQI
26th July 2025
25AQI
25AQI
27th July 2025
20AQI
20AQI
28th July 2025
23AQI
23AQI
29th July 2025
25AQI
25AQI
30th July 2025
26AQI
26AQI
31st July 2025
29AQI
29AQI
1st August 2025
30AQI
30AQI
2nd August 2025
28AQI
28AQI
3rd August 2025
28AQI
28AQI
4th August 2025
26AQI
26AQI
5th August 2025
25AQI
25AQI
6th August 2025
25AQI
25AQI
7th August 2025
21AQI
21AQI
8th August 2025
21AQI
21AQI
9th August 2025
23AQI
23AQI
10th August 2025
28AQI
28AQI
44AQI
35AQI
25AQI
25AQI
22AQI
26AQI
30AQI
26AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202529AQI
21
10
28
31
30
31
30
31
10
212
10
Highest AQI recorded in
January44AQI
Lowest AQI recorded in
May22AQI
202430AQI
16
1
2
12
29
30
1
29
2
28
31
29
1
20
11
227
15
Highest AQI recorded in
December45AQI
Lowest AQI recorded in
May21AQI
202363AQI
1
2
6
5
14
10
5
1
16
1
3
31
64
12
7
6
6
Highest AQI recorded in
August176AQI
Lowest AQI recorded in
December27AQI
202235AQI
25
5
16
6
31
14
1
1
21
7
1
30
1
5
1
143
21
1
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
April27AQI
202152AQI
18
13
19
8
2
1
19
8
4
6
9
8
6
13
7
6
4
31
30
24
7
162
53
18
10
Highest AQI recorded in
August102AQI
Lowest AQI recorded in
October23AQI
202087AQI
2
2
5
7
6
6
4
2
2
7
6
14
17
28
32
8
6
4
2
Highest AQI recorded in
September137AQI
Lowest AQI recorded in
November51AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
87AQILeast Polluted Year Recorded
2025(Avg.)
29AQIYreka's annual 2025 AQI (29) shows an average percentage change of -36.6% (improved AQI) compared to previous years: 2020 (87), 2021 (52), 2022 (35), 2023 (63), 2024 (30).
