Briarpatch, Grass Valley, 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
Briarpatch, Grass Valley, California, United States
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
10th Aug 2025
39AQILowest AQI recorded on
6th Aug 2025
29AQISame Day Analysis (10th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 39 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Briarpatch, Grass Valley, California, United States
AQI
Day
Night
.
6 AM10th Aug 2025
8 PM
5 AM11th Aug 2025
Day time
Avg. Highest Time
12PM10th Aug
50AQI
Avg. Lowest Time
8PM10th Aug
36AQI
Night time
Avg. Highest Time
5AM11th Aug
45AQI
Avg. Lowest Time
12AM11th Aug
30AQI
In the last 24 hours,
Briarpatch's AQI reached its highest point of 50 at 12 PM during the Day, while the lowest point, 30, was recorded at 12 AM during the Night between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Briarpatch, Grass Valley, 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 2025646 AMAQI
12th Jul 2025607 AMAQI
12th Jul 2025608 AMAQI
12th Jul 2025609 AMAQI
12th Jul 20256110 AMAQI
12th Jul 20256111 AMAQI
12th Jul 20256212 PMAQI
12th Jul 2025631 PMAQI
12th Jul 2025642 PMAQI
12th Jul 2025613 PMAQI
12th Jul 2025624 PMAQI
12th Jul 2025615 PMAQI
12th Jul 2025606 PMAQI
12th Jul 2025637 PMAQI
12th Jul 2025598 PMAQI
12th Jul 2025579 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255811 PMAQI
13th Jul 20255812 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025592 AMAQI
13th Jul 2025623 AMAQI
13th Jul 2025644 AMAQI
13th Jul 2025625 AMAQI
30°C24/38°C
13th Jul 2025656 AMAQI
13th Jul 2025627 AMAQI
13th Jul 2025628 AMAQI
13th Jul 2025639 AMAQI
13th Jul 20256510 AMAQI
13th Jul 20256211 AMAQI
13th Jul 20256612 PMAQI
13th Jul 2025661 PMAQI
13th Jul 2025662 PMAQI
13th Jul 2025643 PMAQI
13th Jul 2025624 PMAQI
13th Jul 2025625 PMAQI
13th Jul 2025606 PMAQI
13th Jul 2025617 PMAQI
13th Jul 2025598 PMAQI
13th Jul 2025579 PMAQI
13th Jul 20255610 PMAQI
13th Jul 20256011 PMAQI
14th Jul 20255712 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025552 AMAQI
14th Jul 2025553 AMAQI
14th Jul 2025504 AMAQI
14th Jul 2025445 AMAQI
30°C23/38°C
14th Jul 2025466 AMAQI
14th Jul 2025527 AMAQI
14th Jul 2025528 AMAQI
14th Jul 2025539 AMAQI
14th Jul 20255710 AMAQI
14th Jul 20255611 AMAQI
14th Jul 20255812 PMAQI
14th Jul 2025581 PMAQI
14th Jul 2025592 PMAQI
14th Jul 2025583 PMAQI
14th Jul 2025584 PMAQI
14th Jul 2025565 PMAQI
14th Jul 2025566 PMAQI
14th Jul 2025547 PMAQI
14th Jul 2025528 PMAQI
14th Jul 2025479 PMAQI
14th Jul 20254910 PMAQI
14th Jul 20254811 PMAQI
15th Jul 20254812 AMAQI
15th Jul 2025481 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025493 AMAQI
15th Jul 2025414 AMAQI
15th Jul 2025465 AMAQI
31°C24/38°C
15th Jul 2025476 AMAQI
15th Jul 2025467 AMAQI
15th Jul 2025428 AMAQI
15th Jul 2025449 AMAQI
15th Jul 20254810 AMAQI
15th Jul 20255211 AMAQI
15th Jul 20255312 PMAQI
15th Jul 2025521 PMAQI
15th Jul 2025532 PMAQI
15th Jul 2025543 PMAQI
15th Jul 2025534 PMAQI
15th Jul 2025525 PMAQI
15th Jul 2025526 PMAQI
15th Jul 2025497 PMAQI
15th Jul 2025488 PMAQI
15th Jul 2025479 PMAQI
15th Jul 20254410 PMAQI
15th Jul 20254211 PMAQI
16th Jul 20253912 AMAQI
16th Jul 2025421 AMAQI
16th Jul 2025442 AMAQI
16th Jul 2025403 AMAQI
16th Jul 2025344 AMAQI
16th Jul 2025395 AMAQI
28°C21/36°C
16th Jul 2025356 AMAQI
16th Jul 2025457 AMAQI
16th Jul 2025438 AMAQI
16th Jul 2025429 AMAQI
16th Jul 20254310 AMAQI
16th Jul 20254811 AMAQI
16th Jul 20255112 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025502 PMAQI
16th Jul 2025443 PMAQI
16th Jul 2025424 PMAQI
16th Jul 2025445 PMAQI
16th Jul 2025426 PMAQI
16th Jul 2025447 PMAQI
16th Jul 2025408 PMAQI
16th Jul 2025339 PMAQI
16th Jul 20252910 PMAQI
16th Jul 20253011 PMAQI
17th Jul 20253112 AMAQI
17th Jul 2025301 AMAQI
17th Jul 2025312 AMAQI
17th Jul 2025343 AMAQI
17th Jul 2025324 AMAQI
17th Jul 2025365 AMAQI
25°C19/33°C
17th Jul 2025346 AMAQI
17th Jul 2025417 AMAQI
17th Jul 2025408 AMAQI
17th Jul 2025409 AMAQI
17th Jul 20254810 AMAQI
17th Jul 20255211 AMAQI
17th Jul 20255212 PMAQI
17th Jul 2025501 PMAQI
17th Jul 2025462 PMAQI
17th Jul 2025403 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025346 PMAQI
17th Jul 2025357 PMAQI
17th Jul 2025368 PMAQI
17th Jul 2025389 PMAQI
17th Jul 20253510 PMAQI
17th Jul 20253211 PMAQI
18th Jul 20253012 AMAQI
18th Jul 2025321 AMAQI
18th Jul 2025342 AMAQI
18th Jul 2025363 AMAQI
18th Jul 2025374 AMAQI
18th Jul 2025355 AMAQI
25°C18/33°C
18th Jul 2025406 AMAQI
18th Jul 2025407 AMAQI
18th Jul 2025388 AMAQI
18th Jul 2025389 AMAQI
18th Jul 20254110 AMAQI
18th Jul 20254711 AMAQI
18th Jul 20254512 PMAQI
18th Jul 2025491 PMAQI
18th Jul 2025442 PMAQI
18th Jul 2025443 PMAQI
18th Jul 2025434 PMAQI
18th Jul 2025435 PMAQI
18th Jul 2025426 PMAQI
18th Jul 2025387 PMAQI
18th Jul 2025388 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253610 PMAQI
18th Jul 20253111 PMAQI
19th Jul 20252612 AMAQI
19th Jul 2025281 AMAQI
19th Jul 2025292 AMAQI
19th Jul 2025343 AMAQI
19th Jul 2025394 AMAQI
19th Jul 2025355 AMAQI
27°C19/35°C
19th Jul 2025366 AMAQI
19th Jul 2025387 AMAQI
19th Jul 2025368 AMAQI
19th Jul 2025359 AMAQI
19th Jul 20253410 AMAQI
19th Jul 20254011 AMAQI
19th Jul 20254012 PMAQI
19th Jul 2025391 PMAQI
19th Jul 2025372 PMAQI
19th Jul 2025403 PMAQI
19th Jul 2025374 PMAQI
19th Jul 2025385 PMAQI
19th Jul 2025376 PMAQI
19th Jul 2025377 PMAQI
19th Jul 2025378 PMAQI
19th Jul 2025359 PMAQI
19th Jul 20253110 PMAQI
19th Jul 20252811 PMAQI
20th Jul 20252612 AMAQI
20th Jul 2025271 AMAQI
20th Jul 2025302 AMAQI
20th Jul 2025293 AMAQI
20th Jul 2025364 AMAQI
20th Jul 2025425 AMAQI
27°C20/36°C
20th Jul 2025356 AMAQI
20th Jul 2025367 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025379 AMAQI
20th Jul 20253810 AMAQI
20th Jul 20254411 AMAQI
20th Jul 20254012 PMAQI
20th Jul 2025361 PMAQI
20th Jul 2025352 PMAQI
20th Jul 2025393 PMAQI
20th Jul 2025394 PMAQI
20th Jul 2025405 PMAQI
20th Jul 2025386 PMAQI
20th Jul 2025367 PMAQI
20th Jul 2025358 PMAQI
20th Jul 2025309 PMAQI
20th Jul 20252810 PMAQI
20th Jul 20252411 PMAQI
21st Jul 20252112 AMAQI
21st Jul 2025221 AMAQI
21st Jul 2025272 AMAQI
21st Jul 2025293 AMAQI
21st Jul 2025314 AMAQI
21st Jul 2025275 AMAQI
27°C20/34°C
21st Jul 2025286 AMAQI
21st Jul 2025247 AMAQI
21st Jul 2025238 AMAQI
21st Jul 2025259 AMAQI
21st Jul 20252710 AMAQI
21st Jul 20253311 AMAQI
21st Jul 20253912 PMAQI
21st Jul 2025421 PMAQI
21st Jul 2025332 PMAQI
21st Jul 2025343 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025297 PMAQI
21st Jul 2025288 PMAQI
21st Jul 2025269 PMAQI
21st Jul 20252410 PMAQI
21st Jul 20252411 PMAQI
22nd Jul 20252412 AMAQI
22nd Jul 2025261 AMAQI
22nd Jul 2025252 AMAQI
22nd Jul 2025273 AMAQI
22nd Jul 2025244 AMAQI
22nd Jul 2025215 AMAQI
22°C17/29°C
22nd Jul 2025216 AMAQI
22nd Jul 2025237 AMAQI
22nd Jul 2025228 AMAQI
22nd Jul 2025249 AMAQI
22nd Jul 20252710 AMAQI
22nd Jul 20252611 AMAQI
22nd Jul 20253012 PMAQI
22nd Jul 2025361 PMAQI
22nd Jul 2025312 PMAQI
22nd Jul 2025283 PMAQI
22nd Jul 2025264 PMAQI
22nd Jul 2025215 PMAQI
22nd Jul 2025226 PMAQI
22nd Jul 2025247 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025189 PMAQI
22nd Jul 20251810 PMAQI
22nd Jul 20251811 PMAQI
23rd Jul 20251712 AMAQI
23rd Jul 2025181 AMAQI
23rd Jul 2025182 AMAQI
23rd Jul 2025223 AMAQI
23rd Jul 2025214 AMAQI
23rd Jul 2025195 AMAQI
21°C15/28°C
23rd Jul 2025216 AMAQI
23rd Jul 2025227 AMAQI
23rd Jul 2025188 AMAQI
23rd Jul 2025199 AMAQI
23rd Jul 20252010 AMAQI
23rd Jul 20252611 AMAQI
23rd Jul 20252812 PMAQI
23rd Jul 2025301 PMAQI
23rd Jul 2025302 PMAQI
23rd Jul 2025283 PMAQI
23rd Jul 2025254 PMAQI
23rd Jul 2025225 PMAQI
23rd Jul 2025236 PMAQI
23rd Jul 2025227 PMAQI
23rd Jul 2025248 PMAQI
23rd Jul 2025229 PMAQI
23rd Jul 20251710 PMAQI
23rd Jul 20251611 PMAQI
24th Jul 20251612 AMAQI
24th Jul 2025241 AMAQI
24th Jul 2025162 AMAQI
24th Jul 2025173 AMAQI
24th Jul 2025174 AMAQI
24th Jul 2025195 AMAQI
22°C16/30°C
24th Jul 2025226 AMAQI
24th Jul 2025207 AMAQI
24th Jul 2025298 AMAQI
24th Jul 2025259 AMAQI
24th Jul 20253210 AMAQI
24th Jul 20253611 AMAQI
24th Jul 20253812 PMAQI
24th Jul 2025371 PMAQI
24th Jul 2025332 PMAQI
24th Jul 2025313 PMAQI
24th Jul 2025284 PMAQI
24th Jul 2025295 PMAQI
24th Jul 2025256 PMAQI
24th Jul 2025227 PMAQI
24th Jul 2025208 PMAQI
24th Jul 2025179 PMAQI
24th Jul 20252210 PMAQI
24th Jul 20251911 PMAQI
25th Jul 20251912 AMAQI
25th Jul 2025221 AMAQI
25th Jul 2025192 AMAQI
25th Jul 2025243 AMAQI
25th Jul 2025204 AMAQI
25th Jul 2025255 AMAQI
23°C16/31°C
25th Jul 2025246 AMAQI
25th Jul 2025187 AMAQI
25th Jul 2025198 AMAQI
25th Jul 2025199 AMAQI
25th Jul 20252310 AMAQI
25th Jul 20252911 AMAQI
25th Jul 20254412 PMAQI
25th Jul 2025381 PMAQI
25th Jul 2025342 PMAQI
25th Jul 2025323 PMAQI
25th Jul 2025314 PMAQI
25th Jul 2025285 PMAQI
25th Jul 2025266 PMAQI
25th Jul 2025237 PMAQI
25th Jul 2025248 PMAQI
25th Jul 2025269 PMAQI
25th Jul 20251910 PMAQI
25th Jul 20251811 PMAQI
26th Jul 20251812 AMAQI
26th Jul 2025181 AMAQI
26th Jul 2025172 AMAQI
26th Jul 2025163 AMAQI
26th Jul 2025184 AMAQI
26th Jul 2025255 AMAQI
23°C17/31°C
26th Jul 2025266 AMAQI
26th Jul 2025217 AMAQI
26th Jul 2025208 AMAQI
26th Jul 2025259 AMAQI
26th Jul 20252710 AMAQI
26th Jul 20253511 AMAQI
26th Jul 20254112 PMAQI
26th Jul 2025371 PMAQI
26th Jul 2025312 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025264 PMAQI
26th Jul 2025235 PMAQI
26th Jul 2025266 PMAQI
26th Jul 2025237 PMAQI
26th Jul 2025258 PMAQI
26th Jul 2025219 PMAQI
26th Jul 20251810 PMAQI
26th Jul 20251811 PMAQI
27th Jul 20251912 AMAQI
27th Jul 2025181 AMAQI
27th Jul 2025202 AMAQI
27th Jul 2025263 AMAQI
27th Jul 2025304 AMAQI
27th Jul 2025295 AMAQI
23°C16/29°C
27th Jul 2025256 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025228 AMAQI
27th Jul 2025249 AMAQI
27th Jul 20252510 AMAQI
27th Jul 20253411 AMAQI
27th Jul 20253612 PMAQI
27th Jul 2025351 PMAQI
27th Jul 2025322 PMAQI
27th Jul 2025313 PMAQI
27th Jul 2025294 PMAQI
27th Jul 2025285 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025257 PMAQI
27th Jul 2025268 PMAQI
27th Jul 2025229 PMAQI
27th Jul 20251910 PMAQI
27th Jul 20251811 PMAQI
28th Jul 20251812 AMAQI
28th Jul 2025181 AMAQI
28th Jul 2025202 AMAQI
28th Jul 2025223 AMAQI
28th Jul 2025244 AMAQI
28th Jul 2025225 AMAQI
24°C17/31°C
28th Jul 2025246 AMAQI
28th Jul 2025247 AMAQI
28th Jul 2025248 AMAQI
28th Jul 2025229 AMAQI
28th Jul 20252410 AMAQI
28th Jul 20253011 AMAQI
28th Jul 20253612 PMAQI
28th Jul 2025371 PMAQI
28th Jul 2025342 PMAQI
28th Jul 2025343 PMAQI
28th Jul 2025354 PMAQI
28th Jul 2025345 PMAQI
28th Jul 2025326 PMAQI
28th Jul 2025257 PMAQI
28th Jul 2025248 PMAQI
28th Jul 2025249 PMAQI
28th Jul 20252210 PMAQI
28th Jul 20251911 PMAQI
29th Jul 20251912 AMAQI
29th Jul 2025261 AMAQI
29th Jul 2025302 AMAQI
29th Jul 2025293 AMAQI
29th Jul 2025324 AMAQI
29th Jul 2025305 AMAQI
26°C19/34°C
29th Jul 2025366 AMAQI
29th Jul 2025337 AMAQI
29th Jul 2025348 AMAQI
29th Jul 2025349 AMAQI
29th Jul 20253210 AMAQI
29th Jul 20253611 AMAQI
29th Jul 20254012 PMAQI
29th Jul 2025391 PMAQI
29th Jul 2025382 PMAQI
29th Jul 2025363 PMAQI
29th Jul 2025304 PMAQI
29th Jul 2025255 PMAQI
29th Jul 2025296 PMAQI
29th Jul 2025327 PMAQI
29th Jul 2025328 PMAQI
29th Jul 2025289 PMAQI
29th Jul 20252710 PMAQI
29th Jul 20252211 PMAQI
30th Jul 20252212 AMAQI
30th Jul 2025221 AMAQI
30th Jul 2025242 AMAQI
30th Jul 2025263 AMAQI
30th Jul 2025264 AMAQI
30th Jul 2025245 AMAQI
27°C20/35°C
30th Jul 2025336 AMAQI
30th Jul 2025347 AMAQI
30th Jul 2025348 AMAQI
30th Jul 2025339 AMAQI
30th Jul 20253310 AMAQI
30th Jul 20253811 AMAQI
30th Jul 20253712 PMAQI
30th Jul 2025471 PMAQI
30th Jul 2025382 PMAQI
30th Jul 2025383 PMAQI
30th Jul 2025384 PMAQI
30th Jul 2025385 PMAQI
30th Jul 2025386 PMAQI
30th Jul 2025387 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025369 PMAQI
30th Jul 20253210 PMAQI
30th Jul 20252611 PMAQI
31st Jul 20252412 AMAQI
31st Jul 2025241 AMAQI
31st Jul 2025282 AMAQI
31st Jul 2025463 AMAQI
31st Jul 2025384 AMAQI
31st Jul 2025445 AMAQI
26°C20/34°C
31st Jul 2025356 AMAQI
31st Jul 2025357 AMAQI
31st Jul 2025388 AMAQI
31st Jul 2025319 AMAQI
31st Jul 20253610 AMAQI
31st Jul 20254111 AMAQI
31st Jul 20254412 PMAQI
31st Jul 2025481 PMAQI
31st Jul 2025472 PMAQI
31st Jul 2025423 PMAQI
31st Jul 2025414 PMAQI
31st Jul 2025425 PMAQI
31st Jul 2025416 PMAQI
31st Jul 2025387 PMAQI
31st Jul 2025298 PMAQI
31st Jul 2025309 PMAQI
31st Jul 20253710 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20252512 AMAQI
1st Aug 2025271 AMAQI
1st Aug 2025282 AMAQI
1st Aug 2025343 AMAQI
1st Aug 2025364 AMAQI
1st Aug 2025425 AMAQI
27°C19/35°C
1st Aug 2025376 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025348 AMAQI
1st Aug 2025389 AMAQI
1st Aug 20254010 AMAQI
1st Aug 20254411 AMAQI
1st Aug 20254712 PMAQI
1st Aug 2025461 PMAQI
1st Aug 2025412 PMAQI
1st Aug 2025373 PMAQI
1st Aug 2025364 PMAQI
1st Aug 2025375 PMAQI
1st Aug 2025386 PMAQI
1st Aug 2025377 PMAQI
1st Aug 2025338 PMAQI
1st Aug 2025279 PMAQI
1st Aug 20252410 PMAQI
1st Aug 20252011 PMAQI
2nd Aug 20252612 AMAQI
2nd Aug 2025241 AMAQI
2nd Aug 2025302 AMAQI
2nd Aug 2025273 AMAQI
2nd Aug 2025284 AMAQI
2nd Aug 2025315 AMAQI
27°C20/36°C
2nd Aug 2025346 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025358 AMAQI
2nd Aug 2025299 AMAQI
2nd Aug 20253210 AMAQI
2nd Aug 20253811 AMAQI
2nd Aug 20254212 PMAQI
2nd Aug 2025421 PMAQI
2nd Aug 2025452 PMAQI
2nd Aug 2025413 PMAQI
2nd Aug 2025394 PMAQI
2nd Aug 2025465 PMAQI
2nd Aug 2025476 PMAQI
2nd Aug 2025367 PMAQI
2nd Aug 2025338 PMAQI
2nd Aug 2025329 PMAQI
2nd Aug 20253110 PMAQI
2nd Aug 20252811 PMAQI
3rd Aug 20253012 AMAQI
3rd Aug 2025281 AMAQI
3rd Aug 2025312 AMAQI
3rd Aug 2025323 AMAQI
3rd Aug 2025444 AMAQI
3rd Aug 2025395 AMAQI
27°C19/35°C
3rd Aug 2025416 AMAQI
3rd Aug 2025387 AMAQI
3rd Aug 2025378 AMAQI
3rd Aug 2025329 AMAQI
3rd Aug 20253610 AMAQI
3rd Aug 20253711 AMAQI
3rd Aug 20253512 PMAQI
3rd Aug 2025391 PMAQI
3rd Aug 2025372 PMAQI
3rd Aug 2025363 PMAQI
3rd Aug 2025364 PMAQI
3rd Aug 2025345 PMAQI
3rd Aug 2025416 PMAQI
3rd Aug 2025377 PMAQI
3rd Aug 2025378 PMAQI
3rd Aug 2025399 PMAQI
3rd Aug 20253810 PMAQI
3rd Aug 20253611 PMAQI
4th Aug 20253012 AMAQI
4th Aug 2025261 AMAQI
4th Aug 2025262 AMAQI
4th Aug 2025303 AMAQI
4th Aug 2025304 AMAQI
4th Aug 2025325 AMAQI
27°C19/34°C
4th Aug 2025296 AMAQI
4th Aug 2025297 AMAQI
4th Aug 2025298 AMAQI
4th Aug 2025279 AMAQI
4th Aug 20252910 AMAQI
4th Aug 20253811 AMAQI
4th Aug 20254812 PMAQI
4th Aug 2025541 PMAQI
4th Aug 2025582 PMAQI
4th Aug 2025673 PMAQI
4th Aug 2025404 PMAQI
4th Aug 2025355 PMAQI
4th Aug 2025326 PMAQI
4th Aug 2025337 PMAQI
4th Aug 2025358 PMAQI
4th Aug 2025349 PMAQI
4th Aug 20253610 PMAQI
4th Aug 20254411 PMAQI
5th Aug 20254112 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025442 AMAQI
5th Aug 2025403 AMAQI
5th Aug 2025444 AMAQI
5th Aug 2025425 AMAQI
25°C18/31°C
5th Aug 2025406 AMAQI
5th Aug 2025367 AMAQI
5th Aug 2025398 AMAQI
5th Aug 2025369 AMAQI
5th Aug 20253810 AMAQI
5th Aug 20253811 AMAQI
5th Aug 20253812 PMAQI
5th Aug 2025381 PMAQI
5th Aug 2025352 PMAQI
5th Aug 2025323 PMAQI
5th Aug 2025314 PMAQI
5th Aug 2025385 PMAQI
5th Aug 2025306 PMAQI
5th Aug 2025377 PMAQI
5th Aug 2025368 PMAQI
5th Aug 2025289 PMAQI
5th Aug 20252810 PMAQI
5th Aug 20253011 PMAQI
6th Aug 20253612 AMAQI
6th Aug 2025301 AMAQI
6th Aug 2025282 AMAQI
6th Aug 2025283 AMAQI
6th Aug 2025304 AMAQI
6th Aug 2025325 AMAQI
25°C18/32°C
6th Aug 2025276 AMAQI
6th Aug 2025237 AMAQI
6th Aug 2025268 AMAQI
6th Aug 2025309 AMAQI
6th Aug 20253010 AMAQI
6th Aug 20253511 AMAQI
6th Aug 20253812 PMAQI
6th Aug 2025341 PMAQI
6th Aug 2025342 PMAQI
6th Aug 2025293 PMAQI
6th Aug 2025304 PMAQI
6th Aug 2025295 PMAQI
6th Aug 2025236 PMAQI
6th Aug 2025277 PMAQI
6th Aug 2025318 PMAQI
6th Aug 2025279 PMAQI
6th Aug 20252410 PMAQI
6th Aug 20252011 PMAQI
7th Aug 20252412 AMAQI
7th Aug 2025241 AMAQI
7th Aug 2025272 AMAQI
7th Aug 2025283 AMAQI
7th Aug 2025274 AMAQI
7th Aug 2025295 AMAQI
27°C20/35°C
7th Aug 2025326 AMAQI
7th Aug 2025327 AMAQI
7th Aug 2025298 AMAQI
7th Aug 2025329 AMAQI
7th Aug 20253110 AMAQI
7th Aug 20254211 AMAQI
7th Aug 20254412 PMAQI
7th Aug 2025451 PMAQI
7th Aug 2025422 PMAQI
7th Aug 2025403 PMAQI
7th Aug 2025384 PMAQI
7th Aug 2025385 PMAQI
7th Aug 2025336 PMAQI
7th Aug 2025347 PMAQI
7th Aug 2025368 PMAQI
7th Aug 2025299 PMAQI
7th Aug 20253010 PMAQI
7th Aug 20253011 PMAQI
8th Aug 20253012 AMAQI
8th Aug 2025321 AMAQI
8th Aug 2025352 AMAQI
8th Aug 2025353 AMAQI
8th Aug 2025344 AMAQI
8th Aug 2025335 AMAQI
29°C22/36°C
8th Aug 2025366 AMAQI
8th Aug 2025357 AMAQI
8th Aug 2025368 AMAQI
8th Aug 2025439 AMAQI
8th Aug 20254710 AMAQI
8th Aug 20255011 AMAQI
8th Aug 20254312 PMAQI
8th Aug 2025381 PMAQI
8th Aug 2025362 PMAQI
8th Aug 2025363 PMAQI
8th Aug 2025344 PMAQI
8th Aug 2025345 PMAQI
8th Aug 2025356 PMAQI
8th Aug 2025327 PMAQI
8th Aug 2025328 PMAQI
8th Aug 2025269 PMAQI
8th Aug 20252810 PMAQI
8th Aug 20252911 PMAQI
9th Aug 20253012 AMAQI
9th Aug 2025341 AMAQI
9th Aug 2025342 AMAQI
9th Aug 2025343 AMAQI
9th Aug 2025324 AMAQI
9th Aug 2025315 AMAQI
30°C22/38°C
9th Aug 2025336 AMAQI
9th Aug 2025367 AMAQI
9th Aug 2025368 AMAQI
9th Aug 2025339 AMAQI
9th Aug 20253510 AMAQI
9th Aug 20254011 AMAQI
9th Aug 20254612 PMAQI
9th Aug 2025461 PMAQI
9th Aug 2025422 PMAQI
9th Aug 2025383 PMAQI
9th Aug 2025384 PMAQI
9th Aug 2025415 PMAQI
9th Aug 2025406 PMAQI
9th Aug 2025377 PMAQI
9th Aug 2025368 PMAQI
9th Aug 2025329 PMAQI
9th Aug 20252810 PMAQI
9th Aug 20252411 PMAQI
10th Aug 20252712 AMAQI
10th Aug 2025341 AMAQI
10th Aug 2025372 AMAQI
10th Aug 2025353 AMAQI
10th Aug 2025394 AMAQI
10th Aug 2025415 AMAQI
32°C24/39°C
10th Aug 2025396 AMAQI
10th Aug 2025417 AMAQI
10th Aug 2025408 AMAQI
10th Aug 2025419 AMAQI
10th Aug 20253810 AMAQI
10th Aug 20254311 AMAQI
10th Aug 20255012 PMAQI
10th Aug 2025481 PMAQI
10th Aug 2025442 PMAQI
10th Aug 2025423 PMAQI
10th Aug 2025394 PMAQI
10th Aug 2025375 PMAQI
10th Aug 2025376 PMAQI
10th Aug 2025407 PMAQI
10th Aug 2025368 PMAQI
10th Aug 2025339 PMAQI
10th Aug 20253410 PMAQI
10th Aug 20253011 PMAQI
11th Aug 20253012 AMAQI
11th Aug 2025341 AMAQI
11th Aug 2025362 AMAQI
11th Aug 2025333 AMAQI
11th Aug 2025354 AMAQI
11th Aug 2025455 AMAQI
32°C24/40°C
11th Aug 2025396 AMAQI
6 AM11th Aug 2025407 AMAQI
11th Aug 2025428 AMAQI
11th Aug 2025449 AMAQI
11th Aug 20254910 AMAQI
11th Aug 20255511 AMAQI
11th Aug 20255612 PMAQI
11th Aug 2025541 PMAQI
1 PM11th Aug 2025552 PMAQI
11th Aug 2025523 PMAQI
8 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
12 PM - 3 PM
43AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
6 AM - 9 AM
35AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 3 PM (Avg. 43), while the lowest AQI was between 6 AM to 9 AM (Avg. 35).
Night time
Avg. Highest Time
12 AM - 5 AM
33AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
11 PM
29AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 33), while the lowest AQI was between 11 PM to 11 PM (Avg. 29).
2025 Days Vs Air Quality
Briarpatch, Grass Valley, California, United States
2025
97%
134
3%
4
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Good
134 DaysModerate
4 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 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
Briarpatch, Grass Valley, 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 March 2025
35AQI
35AQI
2nd March 2025
25AQI
25AQI
3rd March 2025
28AQI
28AQI
4th March 2025
24AQI
24AQI
5th March 2025
29AQI
29AQI
6th March 2025
26AQI
26AQI
1st April 2025
21AQI
21AQI
2nd April 2025
19AQI
19AQI
3rd April 2025
21AQI
21AQI
4th April 2025
21AQI
21AQI
5th April 2025
17AQI
17AQI
6th April 2025
26AQI
26AQI
7th April 2025
20AQI
20AQI
8th April 2025
21AQI
21AQI
9th April 2025
21AQI
21AQI
10th April 2025
22AQI
22AQI
11th April 2025
27AQI
27AQI
12th April 2025
26AQI
26AQI
13th April 2025
27AQI
27AQI
14th April 2025
24AQI
24AQI
15th April 2025
32AQI
32AQI
16th April 2025
35AQI
35AQI
17th April 2025
32AQI
32AQI
18th April 2025
31AQI
31AQI
19th April 2025
24AQI
24AQI
20th April 2025
29AQI
29AQI
21st April 2025
26AQI
26AQI
22nd April 2025
38AQI
38AQI
23rd April 2025
31AQI
31AQI
24th April 2025
39AQI
39AQI
25th April 2025
31AQI
31AQI
26th April 2025
38AQI
38AQI
27th April 2025
24AQI
24AQI
28th April 2025
20AQI
20AQI
29th April 2025
29AQI
29AQI
30th April 2025
38AQI
38AQI
1st May 2025
25AQI
25AQI
2nd May 2025
30AQI
30AQI
3rd May 2025
29AQI
29AQI
4th May 2025
21AQI
21AQI
5th May 2025
17AQI
17AQI
6th May 2025
17AQI
17AQI
7th May 2025
26AQI
26AQI
8th May 2025
36AQI
36AQI
9th May 2025
31AQI
31AQI
10th May 2025
26AQI
26AQI
11th May 2025
23AQI
23AQI
12th May 2025
23AQI
23AQI
13th May 2025
25AQI
25AQI
14th May 2025
21AQI
21AQI
15th May 2025
18AQI
18AQI
16th May 2025
21AQI
21AQI
17th May 2025
29AQI
29AQI
18th May 2025
28AQI
28AQI
19th May 2025
21AQI
21AQI
20th May 2025
17AQI
17AQI
21st May 2025
22AQI
22AQI
22nd May 2025
24AQI
24AQI
23rd May 2025
23AQI
23AQI
24th May 2025
31AQI
31AQI
25th May 2025
31AQI
31AQI
26th May 2025
23AQI
23AQI
27th May 2025
24AQI
24AQI
28th May 2025
31AQI
31AQI
29th May 2025
33AQI
33AQI
30th May 2025
36AQI
36AQI
31st May 2025
39AQI
39AQI
1st June 2025
32AQI
32AQI
2nd June 2025
30AQI
30AQI
3rd June 2025
43AQI
43AQI
4th June 2025
39AQI
39AQI
5th June 2025
37AQI
37AQI
6th June 2025
38AQI
38AQI
7th June 2025
41AQI
41AQI
8th June 2025
41AQI
41AQI
9th June 2025
35AQI
35AQI
10th June 2025
42AQI
42AQI
11th June 2025
41AQI
41AQI
12th June 2025
40AQI
40AQI
13th June 2025
40AQI
40AQI
14th June 2025
37AQI
37AQI
15th June 2025
36AQI
36AQI
16th June 2025
35AQI
35AQI
17th June 2025
38AQI
38AQI
18th June 2025
36AQI
36AQI
19th June 2025
30AQI
30AQI
20th June 2025
37AQI
37AQI
21st June 2025
34AQI
34AQI
22nd June 2025
30AQI
30AQI
23rd June 2025
26AQI
26AQI
24th June 2025
29AQI
29AQI
25th June 2025
34AQI
34AQI
26th June 2025
38AQI
38AQI
27th June 2025
43AQI
43AQI
28th June 2025
43AQI
43AQI
29th June 2025
44AQI
44AQI
30th June 2025
42AQI
42AQI
1st July 2025
37AQI
37AQI
2nd July 2025
39AQI
39AQI
3rd July 2025
41AQI
41AQI
4th July 2025
30AQI
30AQI
5th July 2025
28AQI
28AQI
6th July 2025
28AQI
28AQI
7th July 2025
27AQI
27AQI
8th July 2025
31AQI
31AQI
9th July 2025
30AQI
30AQI
10th July 2025
37AQI
37AQI
11th July 2025
54AQI
54AQI
12th July 2025
59AQI
59AQI
13th July 2025
61AQI
61AQI
14th July 2025
53AQI
53AQI
15th July 2025
48AQI
48AQI
16th July 2025
41AQI
41AQI
17th July 2025
38AQI
38AQI
18th July 2025
39AQI
39AQI
19th July 2025
35AQI
35AQI
20th July 2025
34AQI
34AQI
21st July 2025
29AQI
29AQI
22nd July 2025
24AQI
24AQI
23rd July 2025
22AQI
22AQI
24th July 2025
24AQI
24AQI
25th July 2025
25AQI
25AQI
26th July 2025
24AQI
24AQI
27th July 2025
26AQI
26AQI
28th July 2025
25AQI
25AQI
29th July 2025
31AQI
31AQI
30th July 2025
32AQI
32AQI
31st July 2025
37AQI
37AQI
1st August 2025
35AQI
35AQI
2nd August 2025
34AQI
34AQI
3rd August 2025
36AQI
36AQI
4th August 2025
35AQI
35AQI
5th August 2025
37AQI
37AQI
6th August 2025
29AQI
29AQI
7th August 2025
32AQI
32AQI
8th August 2025
35AQI
35AQI
9th August 2025
35AQI
35AQI
10th August 2025
39AQI
39AQI
28AQI
27AQI
26AQI
37AQI
35AQI
35AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202531AQI
6
30
31
30
27
4
10
134
4
Highest AQI recorded in
June37AQI
Lowest AQI recorded in
May26AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
31AQILeast Polluted Year Recorded
2025(Avg.)
31AQIBriarpatch's annual 2025 AQI (31) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
