Shasta Lake, 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
Shasta Lake, California, United States
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2024
55AQILowest AQI recorded on
24th Aug 2024
20AQISame Day Analysis (14th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 27 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 14th Aug - 15th Aug 2025
Shasta Lake, California, United States
AQI
Day
Night
.
6 AM14th Aug 2025
8 PM
5 AM15th Aug 2025
Day time
Avg. Highest Time
11AM14th Aug
29AQI
Avg. Lowest Time
5PM14th Aug
24AQI
Night time
Avg. Highest Time
4AM15th Aug
29AQI
Avg. Lowest Time
11PM14th Aug
24AQI
In the last 24 hours,
Shasta Lake's AQI reached its highest point of 29 at 11 AM during the Day, while the lowest point, 24, was recorded at 11 PM during the Night between 14th Aug and 15th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Shasta Lake, California, United States
JulAug
16th - 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 - 12th12th - 13th13th - 14th14th - 15th15th
Day
Night
16th Jul 2025406 AMAQI
16th Jul 2025417 AMAQI
16th Jul 2025408 AMAQI
16th Jul 2025399 AMAQI
16th Jul 20253910 AMAQI
16th Jul 20254011 AMAQI
16th Jul 20254512 PMAQI
16th Jul 2025471 PMAQI
16th Jul 2025462 PMAQI
16th Jul 2025453 PMAQI
16th Jul 2025474 PMAQI
16th Jul 2025475 PMAQI
16th Jul 2025456 PMAQI
16th Jul 2025437 PMAQI
16th Jul 2025438 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254510 PMAQI
16th Jul 20254511 PMAQI
17th Jul 20254312 AMAQI
17th Jul 2025421 AMAQI
17th Jul 2025422 AMAQI
17th Jul 2025423 AMAQI
17th Jul 2025484 AMAQI
17th Jul 2025555 AMAQI
25°C19/32°C
17th Jul 2025536 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025488 AMAQI
17th Jul 2025459 AMAQI
17th Jul 20254610 AMAQI
17th Jul 20254611 AMAQI
17th Jul 20254712 PMAQI
17th Jul 2025471 PMAQI
17th Jul 2025482 PMAQI
17th Jul 2025473 PMAQI
17th Jul 2025474 PMAQI
17th Jul 2025455 PMAQI
17th Jul 2025466 PMAQI
17th Jul 2025457 PMAQI
17th Jul 2025428 PMAQI
17th Jul 2025419 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025381 AMAQI
18th Jul 2025362 AMAQI
18th Jul 2025363 AMAQI
18th Jul 2025264 AMAQI
18th Jul 2025305 AMAQI
24°C17/31°C
18th Jul 2025306 AMAQI
18th Jul 2025337 AMAQI
18th Jul 2025348 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20253610 AMAQI
18th Jul 20253811 AMAQI
18th Jul 20253912 PMAQI
18th Jul 2025381 PMAQI
18th Jul 2025392 PMAQI
18th Jul 2025383 PMAQI
18th Jul 2025374 PMAQI
18th Jul 2025385 PMAQI
18th Jul 2025386 PMAQI
18th Jul 2025387 PMAQI
18th Jul 2025388 PMAQI
18th Jul 2025379 PMAQI
18th Jul 20253610 PMAQI
18th Jul 20253711 PMAQI
19th Jul 20253412 AMAQI
19th Jul 2025331 AMAQI
19th Jul 2025342 AMAQI
19th Jul 2025333 AMAQI
19th Jul 2025304 AMAQI
19th Jul 2025325 AMAQI
24°C16/31°C
19th Jul 2025336 AMAQI
19th Jul 2025337 AMAQI
19th Jul 2025348 AMAQI
19th Jul 2025359 AMAQI
19th Jul 20253610 AMAQI
19th Jul 20253711 AMAQI
19th Jul 20253612 PMAQI
19th Jul 2025361 PMAQI
19th Jul 2025342 PMAQI
19th Jul 2025343 PMAQI
19th Jul 2025344 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025387 PMAQI
19th Jul 2025358 PMAQI
19th Jul 2025279 PMAQI
19th Jul 20252910 PMAQI
19th Jul 20253311 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025341 AMAQI
20th Jul 2025362 AMAQI
20th Jul 2025383 AMAQI
20th Jul 2025354 AMAQI
20th Jul 2025355 AMAQI
25°C17/32°C
20th Jul 2025256 AMAQI
20th Jul 2025207 AMAQI
20th Jul 2025228 AMAQI
20th Jul 2025269 AMAQI
20th Jul 20253010 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20254012 PMAQI
20th Jul 2025341 PMAQI
20th Jul 2025342 PMAQI
20th Jul 2025273 PMAQI
20th Jul 2025254 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025237 PMAQI
20th Jul 2025228 PMAQI
20th Jul 2025239 PMAQI
20th Jul 20252310 PMAQI
20th Jul 20252711 PMAQI
21st Jul 20253312 AMAQI
21st Jul 2025331 AMAQI
21st Jul 2025302 AMAQI
21st Jul 2025263 AMAQI
21st Jul 2025324 AMAQI
21st Jul 2025275 AMAQI
24°C18/31°C
21st Jul 2025286 AMAQI
21st Jul 2025267 AMAQI
21st Jul 2025298 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20252510 AMAQI
21st Jul 20252911 AMAQI
21st Jul 20253112 PMAQI
21st Jul 2025331 PMAQI
21st Jul 2025342 PMAQI
21st Jul 2025363 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025315 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025327 PMAQI
21st Jul 2025298 PMAQI
21st Jul 2025229 PMAQI
21st Jul 20252510 PMAQI
21st Jul 20252811 PMAQI
22nd Jul 20253212 AMAQI
22nd Jul 2025321 AMAQI
22nd Jul 2025302 AMAQI
22nd Jul 2025303 AMAQI
22nd Jul 2025324 AMAQI
22nd Jul 2025255 AMAQI
21°C15/27°C
22nd Jul 2025246 AMAQI
22nd Jul 2025217 AMAQI
22nd Jul 2025278 AMAQI
22nd Jul 2025259 AMAQI
22nd Jul 20252310 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20252612 PMAQI
22nd Jul 2025321 PMAQI
22nd Jul 2025322 PMAQI
22nd Jul 2025323 PMAQI
22nd Jul 2025344 PMAQI
22nd Jul 2025325 PMAQI
22nd Jul 2025306 PMAQI
22nd Jul 2025257 PMAQI
22nd Jul 2025268 PMAQI
22nd Jul 2025229 PMAQI
22nd Jul 20252110 PMAQI
22nd Jul 20252111 PMAQI
23rd Jul 20252112 AMAQI
23rd Jul 2025211 AMAQI
23rd Jul 2025242 AMAQI
23rd Jul 2025283 AMAQI
23rd Jul 2025264 AMAQI
23rd Jul 2025295 AMAQI
20°C13/27°C
23rd Jul 2025286 AMAQI
23rd Jul 2025217 AMAQI
23rd Jul 2025228 AMAQI
23rd Jul 2025239 AMAQI
23rd Jul 20252910 AMAQI
23rd Jul 20253311 AMAQI
23rd Jul 20253412 PMAQI
23rd Jul 2025301 PMAQI
23rd Jul 2025322 PMAQI
23rd Jul 2025313 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025225 PMAQI
23rd Jul 2025226 PMAQI
23rd Jul 2025237 PMAQI
23rd Jul 2025248 PMAQI
23rd Jul 2025279 PMAQI
23rd Jul 20252810 PMAQI
23rd Jul 20252711 PMAQI
24th Jul 20252712 AMAQI
24th Jul 2025271 AMAQI
24th Jul 2025272 AMAQI
24th Jul 2025243 AMAQI
24th Jul 2025234 AMAQI
24th Jul 2025245 AMAQI
21°C14/29°C
24th Jul 2025246 AMAQI
24th Jul 2025267 AMAQI
24th Jul 2025218 AMAQI
24th Jul 2025249 AMAQI
24th Jul 20252510 AMAQI
24th Jul 20252911 AMAQI
24th Jul 20253212 PMAQI
24th Jul 2025321 PMAQI
24th Jul 2025272 PMAQI
24th Jul 2025253 PMAQI
24th Jul 2025264 PMAQI
24th Jul 2025245 PMAQI
24th Jul 2025256 PMAQI
24th Jul 2025257 PMAQI
24th Jul 2025268 PMAQI
24th Jul 2025249 PMAQI
24th Jul 20252310 PMAQI
24th Jul 20252311 PMAQI
25th Jul 20252312 AMAQI
25th Jul 2025221 AMAQI
25th Jul 2025222 AMAQI
25th Jul 2025213 AMAQI
25th Jul 2025194 AMAQI
25th Jul 2025205 AMAQI
21°C14/27°C
25th Jul 2025206 AMAQI
25th Jul 2025217 AMAQI
25th Jul 2025228 AMAQI
25th Jul 2025229 AMAQI
25th Jul 20252210 AMAQI
25th Jul 20252411 AMAQI
25th Jul 20252512 PMAQI
25th Jul 2025241 PMAQI
25th Jul 2025242 PMAQI
25th Jul 2025233 PMAQI
25th Jul 2025244 PMAQI
25th Jul 2025245 PMAQI
25th Jul 2025246 PMAQI
25th Jul 2025227 PMAQI
25th Jul 2025248 PMAQI
25th Jul 2025289 PMAQI
25th Jul 20252110 PMAQI
25th Jul 20251911 PMAQI
26th Jul 20252012 AMAQI
26th Jul 2025201 AMAQI
26th Jul 2025212 AMAQI
26th Jul 2025233 AMAQI
26th Jul 2025214 AMAQI
26th Jul 2025245 AMAQI
22°C16/30°C
26th Jul 2025236 AMAQI
26th Jul 2025227 AMAQI
26th Jul 2025218 AMAQI
26th Jul 2025219 AMAQI
26th Jul 20252010 AMAQI
26th Jul 20252111 AMAQI
26th Jul 20252112 PMAQI
26th Jul 2025251 PMAQI
26th Jul 2025232 PMAQI
26th Jul 2025253 PMAQI
26th Jul 2025244 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025216 PMAQI
26th Jul 2025227 PMAQI
26th Jul 2025218 PMAQI
26th Jul 2025209 PMAQI
26th Jul 20252110 PMAQI
26th Jul 20252111 PMAQI
27th Jul 20252012 AMAQI
27th Jul 2025201 AMAQI
27th Jul 2025222 AMAQI
27th Jul 2025213 AMAQI
27th Jul 2025234 AMAQI
27th Jul 2025225 AMAQI
21°C13/28°C
27th Jul 2025236 AMAQI
27th Jul 2025207 AMAQI
27th Jul 2025188 AMAQI
27th Jul 2025189 AMAQI
27th Jul 20252010 AMAQI
27th Jul 20252011 AMAQI
27th Jul 20251912 PMAQI
27th Jul 2025211 PMAQI
27th Jul 2025222 PMAQI
27th Jul 2025213 PMAQI
27th Jul 2025224 PMAQI
27th Jul 2025205 PMAQI
27th Jul 2025196 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025218 PMAQI
27th Jul 2025219 PMAQI
27th Jul 20252010 PMAQI
27th Jul 20252011 PMAQI
28th Jul 20252012 AMAQI
28th Jul 2025211 AMAQI
28th Jul 2025222 AMAQI
28th Jul 2025243 AMAQI
28th Jul 2025244 AMAQI
28th Jul 2025215 AMAQI
22°C16/28°C
28th Jul 2025216 AMAQI
28th Jul 2025247 AMAQI
28th Jul 2025228 AMAQI
28th Jul 2025259 AMAQI
28th Jul 20252010 AMAQI
28th Jul 20252011 AMAQI
28th Jul 20252412 PMAQI
28th Jul 2025301 PMAQI
28th Jul 2025282 PMAQI
28th Jul 2025273 PMAQI
28th Jul 2025244 PMAQI
28th Jul 2025225 PMAQI
28th Jul 2025216 PMAQI
28th Jul 2025227 PMAQI
28th Jul 2025228 PMAQI
28th Jul 2025239 PMAQI
28th Jul 20252310 PMAQI
28th Jul 20252411 PMAQI
29th Jul 20252512 AMAQI
29th Jul 2025291 AMAQI
29th Jul 2025252 AMAQI
29th Jul 2025263 AMAQI
29th Jul 2025254 AMAQI
29th Jul 2025245 AMAQI
23°C17/30°C
29th Jul 2025256 AMAQI
29th Jul 2025257 AMAQI
29th Jul 2025248 AMAQI
29th Jul 2025259 AMAQI
29th Jul 20252610 AMAQI
29th Jul 20252911 AMAQI
29th Jul 20253412 PMAQI
29th Jul 2025341 PMAQI
29th Jul 2025292 PMAQI
29th Jul 2025263 PMAQI
29th Jul 2025254 PMAQI
29th Jul 2025235 PMAQI
29th Jul 2025226 PMAQI
29th Jul 2025267 PMAQI
29th Jul 2025268 PMAQI
29th Jul 2025239 PMAQI
29th Jul 20252110 PMAQI
29th Jul 20252311 PMAQI
30th Jul 20252612 AMAQI
30th Jul 2025261 AMAQI
30th Jul 2025272 AMAQI
30th Jul 2025273 AMAQI
30th Jul 2025264 AMAQI
30th Jul 2025295 AMAQI
23°C16/31°C
30th Jul 2025296 AMAQI
30th Jul 2025287 AMAQI
30th Jul 2025248 AMAQI
30th Jul 2025279 AMAQI
30th Jul 20252710 AMAQI
30th Jul 20252911 AMAQI
30th Jul 20253212 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025272 PMAQI
30th Jul 2025263 PMAQI
30th Jul 2025264 PMAQI
30th Jul 2025265 PMAQI
30th Jul 2025266 PMAQI
30th Jul 2025267 PMAQI
30th Jul 2025268 PMAQI
30th Jul 2025249 PMAQI
30th Jul 20252310 PMAQI
30th Jul 20252211 PMAQI
31st Jul 20252412 AMAQI
31st Jul 2025251 AMAQI
31st Jul 2025242 AMAQI
31st Jul 2025273 AMAQI
31st Jul 2025284 AMAQI
31st Jul 2025295 AMAQI
22°C17/28°C
31st Jul 2025326 AMAQI
31st Jul 2025397 AMAQI
31st Jul 2025368 AMAQI
31st Jul 2025489 AMAQI
31st Jul 20253110 AMAQI
31st Jul 20253211 AMAQI
31st Jul 20253112 PMAQI
31st Jul 2025321 PMAQI
31st Jul 2025342 PMAQI
31st Jul 2025353 PMAQI
31st Jul 2025364 PMAQI
31st Jul 2025335 PMAQI
31st Jul 2025346 PMAQI
31st Jul 2025267 PMAQI
31st Jul 2025308 PMAQI
31st Jul 2025329 PMAQI
31st Jul 20253110 PMAQI
31st Jul 20253111 PMAQI
1st Aug 20253312 AMAQI
1st Aug 2025311 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025343 AMAQI
1st Aug 2025344 AMAQI
1st Aug 2025355 AMAQI
22°C16/30°C
1st Aug 2025356 AMAQI
1st Aug 2025337 AMAQI
1st Aug 2025348 AMAQI
1st Aug 2025359 AMAQI
1st Aug 20253510 AMAQI
1st Aug 20254011 AMAQI
1st Aug 20254212 PMAQI
1st Aug 2025431 PMAQI
1st Aug 2025442 PMAQI
1st Aug 2025423 PMAQI
1st Aug 2025374 PMAQI
1st Aug 2025365 PMAQI
1st Aug 2025376 PMAQI
1st Aug 2025367 PMAQI
1st Aug 2025348 PMAQI
1st Aug 2025329 PMAQI
1st Aug 20253110 PMAQI
1st Aug 20253211 PMAQI
2nd Aug 20253112 AMAQI
2nd Aug 2025331 AMAQI
2nd Aug 2025332 AMAQI
2nd Aug 2025333 AMAQI
2nd Aug 2025324 AMAQI
2nd Aug 2025315 AMAQI
24°C18/31°C
2nd Aug 2025326 AMAQI
2nd Aug 2025307 AMAQI
2nd Aug 2025298 AMAQI
2nd Aug 2025309 AMAQI
2nd Aug 20252810 AMAQI
2nd Aug 20253011 AMAQI
2nd Aug 20253012 PMAQI
2nd Aug 2025301 PMAQI
2nd Aug 2025302 PMAQI
2nd Aug 2025283 PMAQI
2nd Aug 2025284 PMAQI
2nd Aug 2025275 PMAQI
2nd Aug 2025286 PMAQI
2nd Aug 2025287 PMAQI
2nd Aug 2025278 PMAQI
2nd Aug 2025269 PMAQI
2nd Aug 20252210 PMAQI
2nd Aug 20252411 PMAQI
3rd Aug 20252712 AMAQI
3rd Aug 2025261 AMAQI
3rd Aug 2025262 AMAQI
3rd Aug 2025273 AMAQI
3rd Aug 2025284 AMAQI
3rd Aug 2025265 AMAQI
24°C18/31°C
3rd Aug 2025246 AMAQI
3rd Aug 2025247 AMAQI
3rd Aug 2025248 AMAQI
3rd Aug 2025249 AMAQI
3rd Aug 20252210 AMAQI
3rd Aug 20252511 AMAQI
3rd Aug 20252712 PMAQI
3rd Aug 2025311 PMAQI
3rd Aug 2025282 PMAQI
3rd Aug 2025253 PMAQI
3rd Aug 2025264 PMAQI
3rd Aug 2025255 PMAQI
3rd Aug 2025266 PMAQI
3rd Aug 2025287 PMAQI
3rd Aug 2025288 PMAQI
3rd Aug 2025309 PMAQI
3rd Aug 20253310 PMAQI
3rd Aug 20253111 PMAQI
4th Aug 20253212 AMAQI
4th Aug 2025251 AMAQI
4th Aug 2025252 AMAQI
4th Aug 2025253 AMAQI
4th Aug 2025244 AMAQI
4th Aug 2025275 AMAQI
23°C18/30°C
4th Aug 2025266 AMAQI
4th Aug 2025257 AMAQI
4th Aug 2025248 AMAQI
4th Aug 2025269 AMAQI
4th Aug 20252410 AMAQI
4th Aug 20252611 AMAQI
4th Aug 20253212 PMAQI
4th Aug 2025321 PMAQI
4th Aug 2025352 PMAQI
4th Aug 2025323 PMAQI
4th Aug 2025274 PMAQI
4th Aug 2025285 PMAQI
4th Aug 2025256 PMAQI
4th Aug 2025257 PMAQI
4th Aug 2025268 PMAQI
4th Aug 2025269 PMAQI
4th Aug 20252510 PMAQI
4th Aug 20252611 PMAQI
5th Aug 20252612 AMAQI
5th Aug 2025251 AMAQI
5th Aug 2025242 AMAQI
5th Aug 2025243 AMAQI
5th Aug 2025254 AMAQI
5th Aug 2025245 AMAQI
21°C14/28°C
5th Aug 2025246 AMAQI
5th Aug 2025247 AMAQI
5th Aug 2025268 AMAQI
5th Aug 2025249 AMAQI
5th Aug 20252610 AMAQI
5th Aug 20252811 AMAQI
5th Aug 20253012 PMAQI
5th Aug 2025281 PMAQI
5th Aug 2025302 PMAQI
5th Aug 2025283 PMAQI
5th Aug 2025264 PMAQI
5th Aug 2025255 PMAQI
5th Aug 2025256 PMAQI
5th Aug 2025267 PMAQI
5th Aug 2025248 PMAQI
5th Aug 2025249 PMAQI
5th Aug 20252610 PMAQI
5th Aug 20252611 PMAQI
6th Aug 20252612 AMAQI
6th Aug 2025271 AMAQI
6th Aug 2025252 AMAQI
6th Aug 2025223 AMAQI
6th Aug 2025234 AMAQI
6th Aug 2025265 AMAQI
22°C16/29°C
6th Aug 2025236 AMAQI
6th Aug 2025237 AMAQI
6th Aug 2025258 AMAQI
6th Aug 2025269 AMAQI
6th Aug 20252610 AMAQI
6th Aug 20252911 AMAQI
6th Aug 20253012 PMAQI
6th Aug 2025281 PMAQI
6th Aug 2025282 PMAQI
6th Aug 2025253 PMAQI
6th Aug 2025244 PMAQI
6th Aug 2025245 PMAQI
6th Aug 2025216 PMAQI
6th Aug 2025247 PMAQI
6th Aug 2025228 PMAQI
6th Aug 2025219 PMAQI
6th Aug 20252010 PMAQI
6th Aug 20252211 PMAQI
7th Aug 20252212 AMAQI
7th Aug 2025221 AMAQI
7th Aug 2025242 AMAQI
7th Aug 2025243 AMAQI
7th Aug 2025204 AMAQI
7th Aug 2025195 AMAQI
22°C15/29°C
7th Aug 2025206 AMAQI
7th Aug 2025217 AMAQI
7th Aug 2025218 AMAQI
7th Aug 2025219 AMAQI
7th Aug 20252110 AMAQI
7th Aug 20252211 AMAQI
7th Aug 20252312 PMAQI
7th Aug 2025221 PMAQI
7th Aug 2025232 PMAQI
7th Aug 2025223 PMAQI
7th Aug 2025224 PMAQI
7th Aug 2025215 PMAQI
7th Aug 2025226 PMAQI
7th Aug 2025227 PMAQI
7th Aug 2025228 PMAQI
7th Aug 2025219 PMAQI
7th Aug 20252110 PMAQI
7th Aug 20252211 PMAQI
8th Aug 20252312 AMAQI
8th Aug 2025221 AMAQI
8th Aug 2025222 AMAQI
8th Aug 2025243 AMAQI
8th Aug 2025214 AMAQI
8th Aug 2025225 AMAQI
22°C14/30°C
8th Aug 2025226 AMAQI
8th Aug 2025237 AMAQI
8th Aug 2025238 AMAQI
8th Aug 2025239 AMAQI
8th Aug 20252510 AMAQI
8th Aug 20252511 AMAQI
8th Aug 20252812 PMAQI
8th Aug 2025261 PMAQI
8th Aug 2025242 PMAQI
8th Aug 2025253 PMAQI
8th Aug 2025244 PMAQI
8th Aug 2025225 PMAQI
8th Aug 2025236 PMAQI
8th Aug 2025227 PMAQI
8th Aug 2025228 PMAQI
8th Aug 2025219 PMAQI
8th Aug 20252110 PMAQI
8th Aug 20252211 PMAQI
9th Aug 20252412 AMAQI
9th Aug 2025241 AMAQI
9th Aug 2025252 AMAQI
9th Aug 2025253 AMAQI
9th Aug 2025234 AMAQI
9th Aug 2025255 AMAQI
24°C14/32°C
9th Aug 2025266 AMAQI
9th Aug 2025247 AMAQI
9th Aug 2025268 AMAQI
9th Aug 2025259 AMAQI
9th Aug 20252410 AMAQI
9th Aug 20252411 AMAQI
9th Aug 20252612 PMAQI
9th Aug 2025261 PMAQI
9th Aug 2025242 PMAQI
9th Aug 2025273 PMAQI
9th Aug 2025254 PMAQI
9th Aug 2025255 PMAQI
9th Aug 2025296 PMAQI
9th Aug 2025277 PMAQI
9th Aug 2025248 PMAQI
9th Aug 2025259 PMAQI
9th Aug 20252410 PMAQI
9th Aug 20252411 PMAQI
10th Aug 20252612 AMAQI
10th Aug 2025271 AMAQI
10th Aug 2025262 AMAQI
10th Aug 2025263 AMAQI
10th Aug 2025274 AMAQI
10th Aug 2025275 AMAQI
26°C16/35°C
10th Aug 2025276 AMAQI
10th Aug 2025297 AMAQI
10th Aug 2025278 AMAQI
10th Aug 2025279 AMAQI
10th Aug 20252610 AMAQI
10th Aug 20252711 AMAQI
10th Aug 20253112 PMAQI
10th Aug 2025321 PMAQI
10th Aug 2025292 PMAQI
10th Aug 2025293 PMAQI
10th Aug 2025284 PMAQI
10th Aug 2025275 PMAQI
10th Aug 2025266 PMAQI
10th Aug 2025267 PMAQI
10th Aug 2025268 PMAQI
10th Aug 2025249 PMAQI
10th Aug 20252210 PMAQI
10th Aug 20252311 PMAQI
11th Aug 20252612 AMAQI
11th Aug 2025261 AMAQI
11th Aug 2025272 AMAQI
11th Aug 2025283 AMAQI
11th Aug 2025304 AMAQI
11th Aug 2025315 AMAQI
28°C18/36°C
11th Aug 2025306 AMAQI
11th Aug 2025327 AMAQI
11th Aug 2025328 AMAQI
11th Aug 2025349 AMAQI
11th Aug 20253810 AMAQI
11th Aug 20253911 AMAQI
11th Aug 20253812 PMAQI
11th Aug 2025391 PMAQI
11th Aug 2025422 PMAQI
11th Aug 2025413 PMAQI
11th Aug 2025344 PMAQI
11th Aug 2025315 PMAQI
11th Aug 2025306 PMAQI
11th Aug 2025327 PMAQI
11th Aug 2025318 PMAQI
11th Aug 2025299 PMAQI
11th Aug 20252610 PMAQI
11th Aug 20252911 PMAQI
12th Aug 20253212 AMAQI
12th Aug 2025321 AMAQI
12th Aug 2025332 AMAQI
12th Aug 2025353 AMAQI
12th Aug 2025374 AMAQI
12th Aug 2025365 AMAQI
29°C20/37°C
12th Aug 2025366 AMAQI
12th Aug 2025367 AMAQI
12th Aug 2025348 AMAQI
12th Aug 2025339 AMAQI
12th Aug 20253510 AMAQI
12th Aug 20253811 AMAQI
12th Aug 20254312 PMAQI
12th Aug 2025441 PMAQI
12th Aug 2025412 PMAQI
12th Aug 2025403 PMAQI
12th Aug 2025364 PMAQI
12th Aug 2025365 PMAQI
12th Aug 2025346 PMAQI
12th Aug 2025347 PMAQI
12th Aug 2025328 PMAQI
12th Aug 2025299 PMAQI
12th Aug 20252810 PMAQI
12th Aug 20253011 PMAQI
13th Aug 20252712 AMAQI
13th Aug 2025301 AMAQI
13th Aug 2025322 AMAQI
13th Aug 2025333 AMAQI
13th Aug 2025364 AMAQI
13th Aug 2025385 AMAQI
29°C23/36°C
13th Aug 2025386 AMAQI
13th Aug 2025377 AMAQI
13th Aug 2025398 AMAQI
13th Aug 2025389 AMAQI
13th Aug 20254010 AMAQI
13th Aug 20254511 AMAQI
13th Aug 20254712 PMAQI
13th Aug 2025481 PMAQI
13th Aug 2025452 PMAQI
13th Aug 2025413 PMAQI
13th Aug 2025414 PMAQI
13th Aug 2025395 PMAQI
13th Aug 2025386 PMAQI
13th Aug 2025357 PMAQI
13th Aug 2025328 PMAQI
13th Aug 2025289 PMAQI
13th Aug 20252710 PMAQI
13th Aug 20252711 PMAQI
14th Aug 20252812 AMAQI
14th Aug 2025271 AMAQI
14th Aug 2025272 AMAQI
14th Aug 2025253 AMAQI
14th Aug 2025284 AMAQI
14th Aug 2025285 AMAQI
26°C19/33°C
14th Aug 2025266 AMAQI
14th Aug 2025257 AMAQI
14th Aug 2025248 AMAQI
14th Aug 2025249 AMAQI
14th Aug 20252710 AMAQI
14th Aug 20252911 AMAQI
14th Aug 20252912 PMAQI
14th Aug 2025291 PMAQI
14th Aug 2025282 PMAQI
14th Aug 2025283 PMAQI
14th Aug 2025264 PMAQI
14th Aug 2025245 PMAQI
14th Aug 2025266 PMAQI
14th Aug 2025277 PMAQI
14th Aug 2025258 PMAQI
14th Aug 2025259 PMAQI
14th Aug 20252410 PMAQI
14th Aug 20252411 PMAQI
15th Aug 20252612 AMAQI
15th Aug 2025261 AMAQI
15th Aug 2025262 AMAQI
15th Aug 2025273 AMAQI
15th Aug 2025294 AMAQI
15th Aug 2025285 AMAQI
24°C17/31°C
6 AM
1 PM
8 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
12 PM - 8 PM
30AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
6 AM - 10 AM
28AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 8 PM (Avg. 30), while the lowest AQI was between 6 AM to 10 AM (Avg. 28).
Night time
Avg. Highest Time
12 AM - 5 AM
28AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
9 PM - 11 PM
27AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 28), while the lowest AQI was between 9 PM to 11 PM (Avg. 27).
2025 Days Vs Air Quality
Shasta Lake, California, United States
2025
97%
219
3%
7
Total number of days with different AQI categories in last 227 days in 2025 (138 days remaining)
Good
219 DaysModerate
7 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2025, 97% of 227 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
Shasta Lake, 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
54AQI
54AQI
2nd January 2025
56AQI
56AQI
3rd January 2025
36AQI
36AQI
4th January 2025
31AQI
31AQI
5th January 2025
39AQI
39AQI
6th January 2025
30AQI
30AQI
7th January 2025
27AQI
27AQI
8th January 2025
32AQI
32AQI
9th January 2025
45AQI
45AQI
10th January 2025
44AQI
44AQI
11th January 2025
31AQI
31AQI
12th January 2025
36AQI
36AQI
13th January 2025
31AQI
31AQI
14th January 2025
50AQI
50AQI
15th January 2025
52AQI
52AQI
16th January 2025
47AQI
47AQI
17th January 2025
46AQI
46AQI
18th January 2025
52AQI
52AQI
19th January 2025
49AQI
49AQI
20th January 2025
35AQI
35AQI
21st January 2025
42AQI
42AQI
22nd January 2025
46AQI
46AQI
23rd January 2025
48AQI
48AQI
24th January 2025
51AQI
51AQI
25th January 2025
32AQI
32AQI
26th January 2025
33AQI
33AQI
27th January 2025
44AQI
44AQI
28th January 2025
49AQI
49AQI
29th January 2025
51AQI
51AQI
30th January 2025
54AQI
54AQI
31st January 2025
44AQI
44AQI
1st February 2025
32AQI
32AQI
2nd February 2025
24AQI
24AQI
3rd February 2025
27AQI
27AQI
4th February 2025
27AQI
27AQI
5th February 2025
27AQI
27AQI
6th February 2025
37AQI
37AQI
7th February 2025
26AQI
26AQI
8th February 2025
39AQI
39AQI
9th February 2025
40AQI
40AQI
10th February 2025
30AQI
30AQI
11th February 2025
40AQI
40AQI
12th February 2025
45AQI
45AQI
13th February 2025
36AQI
36AQI
14th February 2025
26AQI
26AQI
15th February 2025
25AQI
25AQI
16th February 2025
31AQI
31AQI
17th February 2025
30AQI
30AQI
18th February 2025
38AQI
38AQI
19th February 2025
36AQI
36AQI
20th February 2025
34AQI
34AQI
21st February 2025
31AQI
31AQI
22nd February 2025
39AQI
39AQI
23rd February 2025
26AQI
26AQI
24th February 2025
26AQI
26AQI
25th February 2025
24AQI
24AQI
26th February 2025
31AQI
31AQI
27th February 2025
32AQI
32AQI
28th February 2025
34AQI
34AQI
1st March 2025
32AQI
32AQI
2nd March 2025
25AQI
25AQI
3rd March 2025
29AQI
29AQI
4th March 2025
34AQI
34AQI
5th March 2025
29AQI
29AQI
6th March 2025
27AQI
27AQI
7th March 2025
29AQI
29AQI
8th March 2025
30AQI
30AQI
9th March 2025
27AQI
27AQI
10th March 2025
29AQI
29AQI
11th March 2025
28AQI
28AQI
12th March 2025
24AQI
24AQI
13th March 2025
21AQI
21AQI
14th March 2025
20AQI
20AQI
15th March 2025
20AQI
20AQI
16th March 2025
21AQI
21AQI
17th March 2025
22AQI
22AQI
18th March 2025
22AQI
22AQI
19th March 2025
27AQI
27AQI
20th March 2025
20AQI
20AQI
21st March 2025
25AQI
25AQI
22nd March 2025
19AQI
19AQI
23rd March 2025
18AQI
18AQI
24th March 2025
25AQI
25AQI
25th March 2025
23AQI
23AQI
26th March 2025
23AQI
23AQI
27th March 2025
19AQI
19AQI
28th March 2025
22AQI
22AQI
29th March 2025
24AQI
24AQI
30th March 2025
27AQI
27AQI
31st March 2025
20AQI
20AQI
1st April 2025
24AQI
24AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
22AQI
22AQI
4th April 2025
27AQI
27AQI
5th April 2025
26AQI
26AQI
6th April 2025
25AQI
25AQI
7th April 2025
19AQI
19AQI
8th April 2025
20AQI
20AQI
9th April 2025
22AQI
22AQI
10th April 2025
24AQI
24AQI
11th April 2025
22AQI
22AQI
12th April 2025
23AQI
23AQI
13th April 2025
27AQI
27AQI
14th April 2025
31AQI
31AQI
15th April 2025
31AQI
31AQI
16th April 2025
32AQI
32AQI
17th April 2025
27AQI
27AQI
18th April 2025
27AQI
27AQI
19th April 2025
24AQI
24AQI
20th April 2025
24AQI
24AQI
21st April 2025
21AQI
21AQI
22nd April 2025
24AQI
24AQI
23rd April 2025
29AQI
29AQI
24th April 2025
34AQI
34AQI
25th April 2025
25AQI
25AQI
26th April 2025
21AQI
21AQI
27th April 2025
20AQI
20AQI
28th April 2025
22AQI
22AQI
29th April 2025
23AQI
23AQI
30th April 2025
26AQI
26AQI
1st May 2025
27AQI
27AQI
2nd May 2025
25AQI
25AQI
3rd May 2025
21AQI
21AQI
4th May 2025
20AQI
20AQI
5th May 2025
21AQI
21AQI
6th May 2025
20AQI
20AQI
7th May 2025
27AQI
27AQI
8th May 2025
24AQI
24AQI
9th May 2025
28AQI
28AQI
10th May 2025
25AQI
25AQI
11th May 2025
19AQI
19AQI
12th May 2025
22AQI
22AQI
13th May 2025
17AQI
17AQI
14th May 2025
18AQI
18AQI
15th May 2025
20AQI
20AQI
16th May 2025
21AQI
21AQI
17th May 2025
20AQI
20AQI
18th May 2025
20AQI
20AQI
19th May 2025
21AQI
21AQI
20th May 2025
17AQI
17AQI
21st May 2025
21AQI
21AQI
22nd May 2025
22AQI
22AQI
23rd May 2025
23AQI
23AQI
24th May 2025
25AQI
25AQI
25th May 2025
25AQI
25AQI
26th May 2025
19AQI
19AQI
27th May 2025
21AQI
21AQI
28th May 2025
30AQI
30AQI
29th May 2025
23AQI
23AQI
30th May 2025
26AQI
26AQI
31st May 2025
27AQI
27AQI
1st June 2025
24AQI
24AQI
2nd June 2025
26AQI
26AQI
3rd June 2025
25AQI
25AQI
4th June 2025
25AQI
25AQI
5th June 2025
28AQI
28AQI
6th June 2025
28AQI
28AQI
7th June 2025
32AQI
32AQI
8th June 2025
30AQI
30AQI
9th June 2025
29AQI
29AQI
10th June 2025
30AQI
30AQI
11th June 2025
32AQI
32AQI
12th June 2025
34AQI
34AQI
13th June 2025
33AQI
33AQI
14th June 2025
30AQI
30AQI
15th June 2025
27AQI
27AQI
16th June 2025
26AQI
26AQI
17th June 2025
24AQI
24AQI
18th June 2025
24AQI
24AQI
19th June 2025
24AQI
24AQI
20th June 2025
28AQI
28AQI
21st June 2025
22AQI
22AQI
22nd June 2025
20AQI
20AQI
23rd June 2025
21AQI
21AQI
24th June 2025
24AQI
24AQI
25th June 2025
30AQI
30AQI
26th June 2025
25AQI
25AQI
27th June 2025
24AQI
24AQI
28th June 2025
24AQI
24AQI
29th June 2025
24AQI
24AQI
30th June 2025
28AQI
28AQI
1st July 2025
31AQI
31AQI
2nd July 2025
27AQI
27AQI
3rd July 2025
26AQI
26AQI
4th July 2025
25AQI
25AQI
5th July 2025
30AQI
30AQI
6th July 2025
28AQI
28AQI
7th July 2025
28AQI
28AQI
8th July 2025
29AQI
29AQI
9th July 2025
26AQI
26AQI
10th July 2025
33AQI
33AQI
11th July 2025
43AQI
43AQI
12th July 2025
41AQI
41AQI
13th July 2025
43AQI
43AQI
14th July 2025
45AQI
45AQI
15th July 2025
44AQI
44AQI
16th July 2025
43AQI
43AQI
17th July 2025
46AQI
46AQI
18th July 2025
36AQI
36AQI
19th July 2025
33AQI
33AQI
20th July 2025
29AQI
29AQI
21st July 2025
29AQI
29AQI
22nd July 2025
27AQI
27AQI
23rd July 2025
26AQI
26AQI
24th July 2025
26AQI
26AQI
25th July 2025
22AQI
22AQI
26th July 2025
22AQI
22AQI
27th July 2025
21AQI
21AQI
28th July 2025
23AQI
23AQI
29th July 2025
26AQI
26AQI
30th July 2025
27AQI
27AQI
31st July 2025
31AQI
31AQI
1st August 2025
35AQI
35AQI
2nd August 2025
29AQI
29AQI
3rd August 2025
27AQI
27AQI
4th August 2025
27AQI
27AQI
5th August 2025
26AQI
26AQI
6th August 2025
24AQI
24AQI
7th August 2025
22AQI
22AQI
8th August 2025
23AQI
23AQI
9th August 2025
25AQI
25AQI
10th August 2025
27AQI
27AQI
11th August 2025
31AQI
31AQI
12th August 2025
35AQI
35AQI
13th August 2025
36AQI
36AQI
14th August 2025
27AQI
27AQI
42AQI
32AQI
25AQI
25AQI
22AQI
27AQI
31AQI
28AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202529AQI
24
7
28
31
30
31
30
31
14
219
7
Highest AQI recorded in
January42AQI
Lowest AQI recorded in
May22AQI
202430AQI
16
1
1
12
29
28
3
27
4
28
31
29
1
24
7
226
15
Highest AQI recorded in
December39AQI
Lowest AQI recorded in
April8AQI
202310AQI
3
31
34
Highest AQI recorded in
December10AQI
Lowest AQI recorded in
November10AQI
202125AQI
2
2
Highest AQI recorded in
September25AQI
Lowest AQI recorded in
September25AQI
2020107AQI
3
3
3
4
3
3
3
4
Highest AQI recorded in
September107AQI
Lowest AQI recorded in
September107AQI
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2020(Avg.)
107AQILeast Polluted Year Recorded
2023(Avg.)
10AQIShasta Lake's annual 2025 AQI (29) shows an average percentage change of 33.3% (worsened AQI) compared to previous years: 2020 (107), 2021 (25), 2023 (10), 2024 (30).
