Merced, 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
Merced, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
153AQILowest AQI recorded on
1st Aug 2022
23AQISame Day Analysis (11th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 38 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: 11th Aug - 12th Aug 2025
Merced, California, United States
AQI
Day
Night
.
6 AM11th Aug 2025
8 PM
5 AM12th Aug 2025
Day time
Avg. Highest Time
6PM11th Aug
48AQI
Avg. Lowest Time
9AM11th Aug
32AQI
Night time
Avg. Highest Time
12AM12th Aug
55AQI
Avg. Lowest Time
5AM12th Aug
41AQI
In the last 24 hours,
Merced's AQI reached its highest point of 55 at 12 AM during the Night, while the lowest point, 32, was recorded at 9 AM during the Day between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Merced, California, United States
JulAug
13th - 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 - 12th12th
Day
Night
13th Jul 2025406 AMAQI
13th Jul 2025387 AMAQI
13th Jul 2025378 AMAQI
13th Jul 2025399 AMAQI
13th Jul 20253710 AMAQI
13th Jul 20253611 AMAQI
13th Jul 20253712 PMAQI
13th Jul 2025401 PMAQI
13th Jul 2025412 PMAQI
13th Jul 2025443 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025465 PMAQI
13th Jul 2025476 PMAQI
13th Jul 2025477 PMAQI
13th Jul 2025498 PMAQI
13th Jul 2025499 PMAQI
13th Jul 20254610 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255212 AMAQI
14th Jul 2025511 AMAQI
14th Jul 2025492 AMAQI
14th Jul 2025423 AMAQI
14th Jul 2025334 AMAQI
14th Jul 2025325 AMAQI
28°C14/43°C
14th Jul 2025326 AMAQI
14th Jul 2025307 AMAQI
14th Jul 2025288 AMAQI
14th Jul 2025299 AMAQI
14th Jul 20252710 AMAQI
14th Jul 20253011 AMAQI
14th Jul 20253012 PMAQI
14th Jul 2025311 PMAQI
14th Jul 2025322 PMAQI
14th Jul 2025373 PMAQI
14th Jul 2025404 PMAQI
14th Jul 2025425 PMAQI
14th Jul 2025436 PMAQI
14th Jul 2025407 PMAQI
14th Jul 2025408 PMAQI
14th Jul 2025419 PMAQI
14th Jul 20254410 PMAQI
14th Jul 20255011 PMAQI
15th Jul 20255312 AMAQI
15th Jul 2025531 AMAQI
15th Jul 2025492 AMAQI
15th Jul 2025443 AMAQI
15th Jul 2025384 AMAQI
15th Jul 2025335 AMAQI
29°C14/44°C
15th Jul 2025306 AMAQI
15th Jul 2025317 AMAQI
15th Jul 2025328 AMAQI
15th Jul 2025369 AMAQI
15th Jul 20254210 AMAQI
15th Jul 20254311 AMAQI
15th Jul 20254112 PMAQI
15th Jul 2025451 PMAQI
15th Jul 2025462 PMAQI
15th Jul 2025433 PMAQI
15th Jul 2025424 PMAQI
15th Jul 2025425 PMAQI
15th Jul 2025466 PMAQI
15th Jul 2025467 PMAQI
15th Jul 2025448 PMAQI
15th Jul 2025509 PMAQI
15th Jul 20255110 PMAQI
15th Jul 20254911 PMAQI
16th Jul 20254312 AMAQI
16th Jul 2025391 AMAQI
16th Jul 2025362 AMAQI
16th Jul 2025333 AMAQI
16th Jul 2025314 AMAQI
16th Jul 2025325 AMAQI
26°C13/41°C
16th Jul 2025296 AMAQI
16th Jul 2025297 AMAQI
16th Jul 2025308 AMAQI
16th Jul 2025349 AMAQI
16th Jul 20253410 AMAQI
16th Jul 20253311 AMAQI
16th Jul 20253412 PMAQI
16th Jul 2025391 PMAQI
16th Jul 2025362 PMAQI
16th Jul 2025373 PMAQI
16th Jul 2025364 PMAQI
16th Jul 2025335 PMAQI
16th Jul 2025346 PMAQI
16th Jul 2025367 PMAQI
16th Jul 2025368 PMAQI
16th Jul 2025389 PMAQI
16th Jul 20253910 PMAQI
16th Jul 20253611 PMAQI
17th Jul 20253412 AMAQI
17th Jul 2025351 AMAQI
17th Jul 2025332 AMAQI
17th Jul 2025303 AMAQI
17th Jul 2025234 AMAQI
17th Jul 2025215 AMAQI
25°C12/38°C
17th Jul 2025216 AMAQI
17th Jul 2025207 AMAQI
17th Jul 2025228 AMAQI
17th Jul 2025249 AMAQI
17th Jul 20252410 AMAQI
17th Jul 20252611 AMAQI
17th Jul 20252612 PMAQI
17th Jul 2025261 PMAQI
17th Jul 2025302 PMAQI
17th Jul 2025313 PMAQI
17th Jul 2025294 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025287 PMAQI
17th Jul 2025308 PMAQI
17th Jul 2025339 PMAQI
17th Jul 20253310 PMAQI
17th Jul 20253311 PMAQI
18th Jul 20253212 AMAQI
18th Jul 2025321 AMAQI
18th Jul 2025302 AMAQI
18th Jul 2025253 AMAQI
18th Jul 2025224 AMAQI
18th Jul 2025215 AMAQI
25°C12/39°C
18th Jul 2025196 AMAQI
18th Jul 2025187 AMAQI
18th Jul 2025198 AMAQI
18th Jul 2025199 AMAQI
18th Jul 20251810 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20252812 PMAQI
18th Jul 2025291 PMAQI
18th Jul 2025312 PMAQI
18th Jul 2025333 PMAQI
18th Jul 2025344 PMAQI
18th Jul 2025375 PMAQI
18th Jul 2025376 PMAQI
18th Jul 2025317 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025349 PMAQI
18th Jul 20253310 PMAQI
18th Jul 20253311 PMAQI
19th Jul 20253512 AMAQI
19th Jul 2025361 AMAQI
19th Jul 2025372 AMAQI
19th Jul 2025353 AMAQI
19th Jul 2025304 AMAQI
19th Jul 2025305 AMAQI
26°C12/40°C
19th Jul 2025296 AMAQI
19th Jul 2025287 AMAQI
19th Jul 2025248 AMAQI
19th Jul 2025259 AMAQI
19th Jul 20252610 AMAQI
19th Jul 20252511 AMAQI
19th Jul 20252612 PMAQI
19th Jul 2025281 PMAQI
19th Jul 2025282 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025304 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025326 PMAQI
19th Jul 2025327 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025329 PMAQI
19th Jul 20253310 PMAQI
19th Jul 20253411 PMAQI
20th Jul 20253212 AMAQI
20th Jul 2025321 AMAQI
20th Jul 2025302 AMAQI
20th Jul 2025283 AMAQI
20th Jul 2025244 AMAQI
20th Jul 2025215 AMAQI
26°C12/40°C
20th Jul 2025236 AMAQI
20th Jul 2025267 AMAQI
20th Jul 2025298 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20253010 AMAQI
20th Jul 20253011 AMAQI
20th Jul 20252812 PMAQI
20th Jul 2025281 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025253 PMAQI
20th Jul 2025244 PMAQI
20th Jul 2025255 PMAQI
20th Jul 2025236 PMAQI
20th Jul 2025257 PMAQI
20th Jul 2025268 PMAQI
20th Jul 2025269 PMAQI
20th Jul 20252710 PMAQI
20th Jul 20253011 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025301 AMAQI
21st Jul 2025292 AMAQI
21st Jul 2025283 AMAQI
21st Jul 2025264 AMAQI
21st Jul 2025265 AMAQI
24°C11/40°C
21st Jul 2025256 AMAQI
21st Jul 2025287 AMAQI
21st Jul 2025298 AMAQI
21st Jul 2025289 AMAQI
21st Jul 20252810 AMAQI
21st Jul 20253011 AMAQI
21st Jul 20253212 PMAQI
21st Jul 2025291 PMAQI
21st Jul 2025292 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025304 PMAQI
21st Jul 2025305 PMAQI
21st Jul 2025286 PMAQI
21st Jul 2025287 PMAQI
21st Jul 2025278 PMAQI
21st Jul 2025219 PMAQI
21st Jul 20252110 PMAQI
21st Jul 20252311 PMAQI
22nd Jul 20252212 AMAQI
22nd Jul 2025211 AMAQI
22nd Jul 2025202 AMAQI
22nd Jul 2025203 AMAQI
22nd Jul 2025174 AMAQI
22nd Jul 2025135 AMAQI
23°C12/36°C
22nd Jul 2025126 AMAQI
22nd Jul 2025147 AMAQI
22nd Jul 2025138 AMAQI
22nd Jul 2025139 AMAQI
22nd Jul 20251410 AMAQI
22nd Jul 20251411 AMAQI
22nd Jul 20251612 PMAQI
22nd Jul 2025171 PMAQI
22nd Jul 2025182 PMAQI
22nd Jul 2025193 PMAQI
22nd Jul 2025184 PMAQI
22nd Jul 2025185 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025177 PMAQI
22nd Jul 2025188 PMAQI
22nd Jul 2025229 PMAQI
22nd Jul 20252410 PMAQI
22nd Jul 20252611 PMAQI
23rd Jul 20252512 AMAQI
23rd Jul 2025241 AMAQI
23rd Jul 2025212 AMAQI
23rd Jul 2025183 AMAQI
23rd Jul 2025154 AMAQI
23rd Jul 2025135 AMAQI
22°C10/34°C
23rd Jul 2025126 AMAQI
23rd Jul 2025137 AMAQI
23rd Jul 2025158 AMAQI
23rd Jul 2025169 AMAQI
23rd Jul 20251610 AMAQI
23rd Jul 20251611 AMAQI
23rd Jul 20251712 PMAQI
23rd Jul 2025201 PMAQI
23rd Jul 2025202 PMAQI
23rd Jul 2025203 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025215 PMAQI
23rd Jul 2025236 PMAQI
23rd Jul 2025217 PMAQI
23rd Jul 2025228 PMAQI
23rd Jul 2025279 PMAQI
23rd Jul 20252710 PMAQI
23rd Jul 20252711 PMAQI
24th Jul 20252712 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025272 AMAQI
24th Jul 2025263 AMAQI
24th Jul 2025194 AMAQI
24th Jul 2025155 AMAQI
22°C11/35°C
24th Jul 2025126 AMAQI
24th Jul 2025157 AMAQI
24th Jul 2025158 AMAQI
24th Jul 2025149 AMAQI
24th Jul 20251410 AMAQI
24th Jul 20251711 AMAQI
24th Jul 20251812 PMAQI
24th Jul 2025201 PMAQI
24th Jul 2025212 PMAQI
24th Jul 2025223 PMAQI
24th Jul 2025254 PMAQI
24th Jul 2025265 PMAQI
24th Jul 2025296 PMAQI
24th Jul 2025247 PMAQI
24th Jul 2025248 PMAQI
24th Jul 2025269 PMAQI
24th Jul 20252510 PMAQI
24th Jul 20252711 PMAQI
25th Jul 20252812 AMAQI
25th Jul 2025231 AMAQI
25th Jul 2025212 AMAQI
25th Jul 2025193 AMAQI
25th Jul 2025184 AMAQI
25th Jul 2025175 AMAQI
23°C13/35°C
25th Jul 2025156 AMAQI
25th Jul 2025147 AMAQI
25th Jul 2025148 AMAQI
25th Jul 2025159 AMAQI
25th Jul 20251510 AMAQI
25th Jul 20251511 AMAQI
25th Jul 20251612 PMAQI
25th Jul 2025161 PMAQI
25th Jul 2025172 PMAQI
25th Jul 2025183 PMAQI
25th Jul 2025204 PMAQI
25th Jul 2025205 PMAQI
25th Jul 2025216 PMAQI
25th Jul 2025197 PMAQI
25th Jul 2025188 PMAQI
25th Jul 2025209 PMAQI
25th Jul 20251910 PMAQI
25th Jul 20251711 PMAQI
26th Jul 20251812 AMAQI
26th Jul 2025181 AMAQI
26th Jul 2025212 AMAQI
26th Jul 2025233 AMAQI
26th Jul 2025244 AMAQI
26th Jul 2025275 AMAQI
22°C11/36°C
26th Jul 2025256 AMAQI
26th Jul 2025237 AMAQI
26th Jul 2025218 AMAQI
26th Jul 2025189 AMAQI
26th Jul 20251510 AMAQI
26th Jul 20251511 AMAQI
26th Jul 20251612 PMAQI
26th Jul 2025151 PMAQI
26th Jul 2025162 PMAQI
26th Jul 2025183 PMAQI
26th Jul 2025184 PMAQI
26th Jul 2025175 PMAQI
26th Jul 2025186 PMAQI
26th Jul 2025187 PMAQI
26th Jul 2025178 PMAQI
26th Jul 2025189 PMAQI
26th Jul 20252110 PMAQI
26th Jul 20252211 PMAQI
27th Jul 20252112 AMAQI
27th Jul 2025221 AMAQI
27th Jul 2025202 AMAQI
27th Jul 2025193 AMAQI
27th Jul 2025174 AMAQI
27th Jul 2025165 AMAQI
23°C12/35°C
27th Jul 2025166 AMAQI
27th Jul 2025177 AMAQI
27th Jul 2025168 AMAQI
27th Jul 2025179 AMAQI
27th Jul 20251610 AMAQI
27th Jul 20251711 AMAQI
27th Jul 20251712 PMAQI
27th Jul 2025171 PMAQI
27th Jul 2025172 PMAQI
27th Jul 2025183 PMAQI
27th Jul 2025184 PMAQI
27th Jul 2025185 PMAQI
27th Jul 2025196 PMAQI
27th Jul 2025167 PMAQI
27th Jul 2025178 PMAQI
27th Jul 2025199 PMAQI
27th Jul 20251810 PMAQI
27th Jul 20251811 PMAQI
28th Jul 20251812 AMAQI
28th Jul 2025171 AMAQI
28th Jul 2025172 AMAQI
28th Jul 2025163 AMAQI
28th Jul 2025174 AMAQI
28th Jul 2025165 AMAQI
23°C12/36°C
28th Jul 2025176 AMAQI
28th Jul 2025187 AMAQI
28th Jul 2025188 AMAQI
28th Jul 2025199 AMAQI
28th Jul 20251910 AMAQI
28th Jul 20251911 AMAQI
28th Jul 20251912 PMAQI
28th Jul 2025221 PMAQI
28th Jul 2025232 PMAQI
28th Jul 2025253 PMAQI
28th Jul 2025264 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025246 PMAQI
28th Jul 2025217 PMAQI
28th Jul 2025218 PMAQI
28th Jul 2025229 PMAQI
28th Jul 20252310 PMAQI
28th Jul 20252711 PMAQI
29th Jul 20252812 AMAQI
29th Jul 2025271 AMAQI
29th Jul 2025252 AMAQI
29th Jul 2025243 AMAQI
29th Jul 2025254 AMAQI
29th Jul 2025275 AMAQI
25°C12/39°C
29th Jul 2025256 AMAQI
29th Jul 2025297 AMAQI
29th Jul 2025298 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20253210 AMAQI
29th Jul 20253411 AMAQI
29th Jul 20253112 PMAQI
29th Jul 2025261 PMAQI
29th Jul 2025242 PMAQI
29th Jul 2025273 PMAQI
29th Jul 2025284 PMAQI
29th Jul 2025265 PMAQI
29th Jul 2025276 PMAQI
29th Jul 2025257 PMAQI
29th Jul 2025268 PMAQI
29th Jul 2025299 PMAQI
29th Jul 20253010 PMAQI
29th Jul 20252911 PMAQI
30th Jul 20252912 AMAQI
30th Jul 2025281 AMAQI
30th Jul 2025272 AMAQI
30th Jul 2025243 AMAQI
30th Jul 2025204 AMAQI
30th Jul 2025235 AMAQI
26°C13/40°C
30th Jul 2025266 AMAQI
30th Jul 2025257 AMAQI
30th Jul 2025208 AMAQI
30th Jul 2025209 AMAQI
30th Jul 20252610 AMAQI
30th Jul 20252511 AMAQI
30th Jul 20252712 PMAQI
30th Jul 2025281 PMAQI
30th Jul 2025272 PMAQI
30th Jul 2025273 PMAQI
30th Jul 2025274 PMAQI
30th Jul 2025275 PMAQI
30th Jul 2025276 PMAQI
30th Jul 2025277 PMAQI
30th Jul 2025278 PMAQI
30th Jul 2025269 PMAQI
30th Jul 20252510 PMAQI
30th Jul 20253011 PMAQI
31st Jul 20253712 AMAQI
31st Jul 2025401 AMAQI
31st Jul 2025402 AMAQI
31st Jul 2025383 AMAQI
31st Jul 2025374 AMAQI
31st Jul 2025345 AMAQI
25°C11/39°C
31st Jul 2025366 AMAQI
31st Jul 2025347 AMAQI
31st Jul 2025298 AMAQI
31st Jul 2025309 AMAQI
31st Jul 20253010 AMAQI
31st Jul 20253011 AMAQI
31st Jul 20253112 PMAQI
31st Jul 2025351 PMAQI
31st Jul 2025362 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025414 PMAQI
31st Jul 2025425 PMAQI
31st Jul 2025386 PMAQI
31st Jul 2025347 PMAQI
31st Jul 2025328 PMAQI
31st Jul 2025309 PMAQI
31st Jul 20252810 PMAQI
31st Jul 20253511 PMAQI
1st Aug 20253912 AMAQI
1st Aug 2025441 AMAQI
1st Aug 2025492 AMAQI
1st Aug 2025463 AMAQI
1st Aug 2025414 AMAQI
1st Aug 2025415 AMAQI
25°C12/40°C
1st Aug 2025416 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025369 AMAQI
1st Aug 20253710 AMAQI
1st Aug 20253511 AMAQI
1st Aug 20253712 PMAQI
1st Aug 2025351 PMAQI
1st Aug 2025352 PMAQI
1st Aug 2025333 PMAQI
1st Aug 2025304 PMAQI
1st Aug 2025325 PMAQI
1st Aug 2025286 PMAQI
1st Aug 2025387 PMAQI
1st Aug 2025348 PMAQI
1st Aug 2025309 PMAQI
1st Aug 20253110 PMAQI
1st Aug 20253411 PMAQI
2nd Aug 20253612 AMAQI
2nd Aug 2025371 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025353 AMAQI
2nd Aug 2025344 AMAQI
2nd Aug 2025345 AMAQI
26°C13/40°C
2nd Aug 2025356 AMAQI
2nd Aug 2025347 AMAQI
2nd Aug 2025348 AMAQI
2nd Aug 2025339 AMAQI
2nd Aug 20253610 AMAQI
2nd Aug 20253611 AMAQI
2nd Aug 20253412 PMAQI
2nd Aug 2025341 PMAQI
2nd Aug 2025312 PMAQI
2nd Aug 2025303 PMAQI
2nd Aug 2025274 PMAQI
2nd Aug 2025245 PMAQI
2nd Aug 2025256 PMAQI
2nd Aug 2025327 PMAQI
2nd Aug 2025308 PMAQI
2nd Aug 2025279 PMAQI
2nd Aug 20252710 PMAQI
2nd Aug 20253711 PMAQI
3rd Aug 20254312 AMAQI
3rd Aug 2025431 AMAQI
3rd Aug 2025432 AMAQI
3rd Aug 2025383 AMAQI
3rd Aug 2025374 AMAQI
3rd Aug 2025365 AMAQI
26°C13/40°C
3rd Aug 2025346 AMAQI
3rd Aug 2025287 AMAQI
3rd Aug 2025278 AMAQI
3rd Aug 2025269 AMAQI
3rd Aug 20252710 AMAQI
3rd Aug 20252911 AMAQI
3rd Aug 20253012 PMAQI
3rd Aug 2025311 PMAQI
3rd Aug 2025282 PMAQI
3rd Aug 2025253 PMAQI
3rd Aug 2025244 PMAQI
3rd Aug 2025255 PMAQI
3rd Aug 2025246 PMAQI
3rd Aug 2025297 PMAQI
3rd Aug 2025268 PMAQI
3rd Aug 2025219 PMAQI
3rd Aug 20252310 PMAQI
3rd Aug 20252911 PMAQI
4th Aug 20253312 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025372 AMAQI
4th Aug 2025333 AMAQI
4th Aug 2025294 AMAQI
4th Aug 2025285 AMAQI
25°C12/40°C
4th Aug 2025326 AMAQI
4th Aug 2025307 AMAQI
4th Aug 2025288 AMAQI
4th Aug 2025289 AMAQI
4th Aug 20252810 AMAQI
4th Aug 20252811 AMAQI
4th Aug 20253012 PMAQI
4th Aug 2025311 PMAQI
4th Aug 2025322 PMAQI
4th Aug 2025313 PMAQI
4th Aug 2025294 PMAQI
4th Aug 2025325 PMAQI
4th Aug 2025346 PMAQI
4th Aug 2025297 PMAQI
4th Aug 2025318 PMAQI
4th Aug 2025339 PMAQI
4th Aug 20253210 PMAQI
4th Aug 20253711 PMAQI
5th Aug 20253612 AMAQI
5th Aug 2025321 AMAQI
5th Aug 2025292 AMAQI
5th Aug 2025313 AMAQI
5th Aug 2025284 AMAQI
5th Aug 2025255 AMAQI
23°C11/37°C
5th Aug 2025246 AMAQI
5th Aug 2025237 AMAQI
5th Aug 2025268 AMAQI
5th Aug 2025309 AMAQI
5th Aug 20253410 AMAQI
5th Aug 20253311 AMAQI
5th Aug 20253212 PMAQI
5th Aug 2025301 PMAQI
5th Aug 2025282 PMAQI
5th Aug 2025263 PMAQI
5th Aug 2025254 PMAQI
5th Aug 2025265 PMAQI
5th Aug 2025236 PMAQI
5th Aug 2025287 PMAQI
5th Aug 2025248 PMAQI
5th Aug 2025229 PMAQI
5th Aug 20252310 PMAQI
5th Aug 20252711 PMAQI
6th Aug 20252812 AMAQI
6th Aug 2025291 AMAQI
6th Aug 2025282 AMAQI
6th Aug 2025303 AMAQI
6th Aug 2025334 AMAQI
6th Aug 2025345 AMAQI
24°C11/38°C
6th Aug 2025356 AMAQI
6th Aug 2025327 AMAQI
6th Aug 2025328 AMAQI
6th Aug 2025319 AMAQI
6th Aug 20253310 AMAQI
6th Aug 20253411 AMAQI
6th Aug 20253912 PMAQI
6th Aug 2025381 PMAQI
6th Aug 2025382 PMAQI
6th Aug 2025373 PMAQI
6th Aug 2025354 PMAQI
6th Aug 2025335 PMAQI
6th Aug 2025296 PMAQI
6th Aug 2025307 PMAQI
6th Aug 2025298 PMAQI
6th Aug 2025279 PMAQI
6th Aug 20252410 PMAQI
6th Aug 20252711 PMAQI
7th Aug 20253312 AMAQI
7th Aug 2025351 AMAQI
7th Aug 2025372 AMAQI
7th Aug 2025363 AMAQI
7th Aug 2025374 AMAQI
7th Aug 2025335 AMAQI
27°C13/41°C
7th Aug 2025306 AMAQI
7th Aug 2025317 AMAQI
7th Aug 2025328 AMAQI
7th Aug 2025419 AMAQI
7th Aug 20254210 AMAQI
7th Aug 20254311 AMAQI
7th Aug 20254412 PMAQI
7th Aug 2025401 PMAQI
7th Aug 2025342 PMAQI
7th Aug 2025273 PMAQI
7th Aug 2025244 PMAQI
7th Aug 2025255 PMAQI
7th Aug 2025256 PMAQI
7th Aug 2025327 PMAQI
7th Aug 2025328 PMAQI
7th Aug 2025249 PMAQI
7th Aug 20252410 PMAQI
7th Aug 20252811 PMAQI
8th Aug 20253212 AMAQI
8th Aug 2025371 AMAQI
8th Aug 2025352 AMAQI
8th Aug 2025343 AMAQI
8th Aug 2025374 AMAQI
8th Aug 2025345 AMAQI
28°C15/42°C
8th Aug 2025346 AMAQI
8th Aug 2025317 AMAQI
8th Aug 2025308 AMAQI
8th Aug 2025309 AMAQI
8th Aug 20253110 AMAQI
8th Aug 20253411 AMAQI
8th Aug 20253512 PMAQI
8th Aug 2025331 PMAQI
8th Aug 2025372 PMAQI
8th Aug 2025413 PMAQI
8th Aug 2025394 PMAQI
8th Aug 2025385 PMAQI
8th Aug 2025356 PMAQI
8th Aug 2025347 PMAQI
8th Aug 2025368 PMAQI
8th Aug 2025389 PMAQI
8th Aug 20253810 PMAQI
8th Aug 20253911 PMAQI
9th Aug 20254012 AMAQI
9th Aug 2025421 AMAQI
9th Aug 2025432 AMAQI
9th Aug 2025433 AMAQI
9th Aug 2025444 AMAQI
9th Aug 2025415 AMAQI
29°C15/43°C
9th Aug 2025396 AMAQI
9th Aug 2025397 AMAQI
9th Aug 2025398 AMAQI
9th Aug 2025439 AMAQI
9th Aug 20254810 AMAQI
9th Aug 20254911 AMAQI
9th Aug 20254512 PMAQI
9th Aug 2025471 PMAQI
9th Aug 2025462 PMAQI
9th Aug 2025463 PMAQI
9th Aug 2025444 PMAQI
9th Aug 2025435 PMAQI
9th Aug 2025456 PMAQI
9th Aug 2025457 PMAQI
9th Aug 2025458 PMAQI
9th Aug 2025479 PMAQI
9th Aug 20254810 PMAQI
9th Aug 20254711 PMAQI
10th Aug 20254812 AMAQI
10th Aug 2025491 AMAQI
10th Aug 2025482 AMAQI
10th Aug 2025463 AMAQI
10th Aug 2025414 AMAQI
10th Aug 2025405 AMAQI
30°C17/44°C
10th Aug 2025386 AMAQI
10th Aug 2025427 AMAQI
10th Aug 2025368 AMAQI
10th Aug 2025349 AMAQI
10th Aug 20253310 AMAQI
10th Aug 20253311 AMAQI
10th Aug 20253312 PMAQI
10th Aug 2025361 PMAQI
10th Aug 2025392 PMAQI
10th Aug 2025423 PMAQI
10th Aug 2025414 PMAQI
10th Aug 2025445 PMAQI
10th Aug 2025456 PMAQI
10th Aug 2025447 PMAQI
10th Aug 2025468 PMAQI
10th Aug 2025449 PMAQI
10th Aug 20254310 PMAQI
10th Aug 20254111 PMAQI
11th Aug 20254212 AMAQI
11th Aug 2025401 AMAQI
11th Aug 2025382 AMAQI
11th Aug 2025353 AMAQI
11th Aug 2025354 AMAQI
11th Aug 2025395 AMAQI
30°C15/44°C
11th Aug 2025366 AMAQI
11th Aug 2025387 AMAQI
11th Aug 2025338 AMAQI
11th Aug 2025329 AMAQI
11th Aug 20253410 AMAQI
11th Aug 20253511 AMAQI
11th Aug 20253412 PMAQI
11th Aug 2025341 PMAQI
11th Aug 2025382 PMAQI
11th Aug 2025383 PMAQI
11th Aug 2025424 PMAQI
11th Aug 2025475 PMAQI
11th Aug 2025486 PMAQI
11th Aug 2025427 PMAQI
11th Aug 2025478 PMAQI
11th Aug 2025509 PMAQI
11th Aug 20255110 PMAQI
11th Aug 20255411 PMAQI
12th Aug 20255512 AMAQI
12th Aug 2025521 AMAQI
12th Aug 2025492 AMAQI
12th Aug 2025483 AMAQI
12th Aug 2025424 AMAQI
12th Aug 2025415 AMAQI
29°C15/45°C
12th Aug 2025426 AMAQI
6 AM1 PM
8 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 8 PM
29AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
6 AM - 8 PM
29AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 PM (Avg. 29), while the lowest AQI was between 6 AM to 8 PM (Avg. 29).
Night time
Avg. Highest Time
12 AM - 2 AM
35AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
4 AM - 5 AM
30AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 35), while the lowest AQI was between 4 AM to 5 AM (Avg. 30).
2025 Days Vs Air Quality
Merced, California, United States
2025
94%
209
6%
14
Total number of days with different AQI categories in last 224 days in 2025 (141 days remaining)
Good
209 DaysModerate
14 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 224 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
Merced, 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
59AQI
59AQI
2nd January 2025
54AQI
54AQI
3rd January 2025
54AQI
54AQI
4th January 2025
27AQI
27AQI
5th January 2025
29AQI
29AQI
6th January 2025
33AQI
33AQI
7th January 2025
29AQI
29AQI
8th January 2025
40AQI
40AQI
9th January 2025
46AQI
46AQI
10th January 2025
46AQI
46AQI
11th January 2025
39AQI
39AQI
12th January 2025
32AQI
32AQI
13th January 2025
35AQI
35AQI
14th January 2025
35AQI
35AQI
15th January 2025
44AQI
44AQI
16th January 2025
44AQI
44AQI
17th January 2025
48AQI
48AQI
18th January 2025
55AQI
55AQI
19th January 2025
54AQI
54AQI
20th January 2025
53AQI
53AQI
21st January 2025
43AQI
43AQI
22nd January 2025
48AQI
48AQI
23rd January 2025
53AQI
53AQI
24th January 2025
58AQI
58AQI
25th January 2025
51AQI
51AQI
26th January 2025
31AQI
31AQI
27th January 2025
29AQI
29AQI
28th January 2025
38AQI
38AQI
29th January 2025
48AQI
48AQI
30th January 2025
51AQI
51AQI
31st January 2025
59AQI
59AQI
1st February 2025
57AQI
57AQI
2nd February 2025
30AQI
30AQI
3rd February 2025
24AQI
24AQI
4th February 2025
23AQI
23AQI
5th February 2025
24AQI
24AQI
6th February 2025
24AQI
24AQI
7th February 2025
24AQI
24AQI
8th February 2025
24AQI
24AQI
9th February 2025
26AQI
26AQI
10th February 2025
26AQI
26AQI
11th February 2025
28AQI
28AQI
12th February 2025
26AQI
26AQI
13th February 2025
25AQI
25AQI
14th February 2025
27AQI
27AQI
15th February 2025
29AQI
29AQI
16th February 2025
28AQI
28AQI
17th February 2025
30AQI
30AQI
18th February 2025
24AQI
24AQI
19th February 2025
25AQI
25AQI
20th February 2025
24AQI
24AQI
21st February 2025
36AQI
36AQI
22nd February 2025
36AQI
36AQI
23rd February 2025
38AQI
38AQI
24th February 2025
34AQI
34AQI
25th February 2025
26AQI
26AQI
26th February 2025
30AQI
30AQI
27th February 2025
33AQI
33AQI
28th February 2025
38AQI
38AQI
1st March 2025
31AQI
31AQI
2nd March 2025
27AQI
27AQI
3rd March 2025
24AQI
24AQI
4th March 2025
24AQI
24AQI
5th March 2025
26AQI
26AQI
6th March 2025
25AQI
25AQI
7th March 2025
23AQI
23AQI
8th March 2025
27AQI
27AQI
9th March 2025
34AQI
34AQI
10th March 2025
29AQI
29AQI
11th March 2025
27AQI
27AQI
12th March 2025
28AQI
28AQI
13th March 2025
21AQI
21AQI
14th March 2025
22AQI
22AQI
15th March 2025
41AQI
41AQI
16th March 2025
33AQI
33AQI
17th March 2025
21AQI
21AQI
18th March 2025
18AQI
18AQI
19th March 2025
21AQI
21AQI
20th March 2025
21AQI
21AQI
21st March 2025
22AQI
22AQI
22nd March 2025
28AQI
28AQI
23rd March 2025
25AQI
25AQI
24th March 2025
25AQI
25AQI
25th March 2025
27AQI
27AQI
26th March 2025
26AQI
26AQI
27th March 2025
22AQI
22AQI
28th March 2025
24AQI
24AQI
29th March 2025
17AQI
17AQI
30th March 2025
21AQI
21AQI
31st March 2025
19AQI
19AQI
1st April 2025
18AQI
18AQI
2nd April 2025
18AQI
18AQI
3rd April 2025
23AQI
23AQI
4th April 2025
21AQI
21AQI
5th April 2025
22AQI
22AQI
6th April 2025
25AQI
25AQI
7th April 2025
18AQI
18AQI
8th April 2025
15AQI
15AQI
9th April 2025
23AQI
23AQI
10th April 2025
29AQI
29AQI
11th April 2025
21AQI
21AQI
12th April 2025
26AQI
26AQI
13th April 2025
31AQI
31AQI
14th April 2025
30AQI
30AQI
15th April 2025
39AQI
39AQI
16th April 2025
38AQI
38AQI
17th April 2025
34AQI
34AQI
18th April 2025
33AQI
33AQI
19th April 2025
34AQI
34AQI
20th April 2025
32AQI
32AQI
21st April 2025
29AQI
29AQI
22nd April 2025
31AQI
31AQI
23rd April 2025
32AQI
32AQI
24th April 2025
36AQI
36AQI
25th April 2025
23AQI
23AQI
26th April 2025
17AQI
17AQI
27th April 2025
14AQI
14AQI
28th April 2025
28AQI
28AQI
29th April 2025
39AQI
39AQI
30th April 2025
43AQI
43AQI
1st May 2025
44AQI
44AQI
2nd May 2025
40AQI
40AQI
3rd May 2025
20AQI
20AQI
4th May 2025
29AQI
29AQI
5th May 2025
39AQI
39AQI
6th May 2025
35AQI
35AQI
7th May 2025
50AQI
50AQI
8th May 2025
48AQI
48AQI
9th May 2025
33AQI
33AQI
10th May 2025
31AQI
31AQI
11th May 2025
25AQI
25AQI
12th May 2025
23AQI
23AQI
13th May 2025
17AQI
17AQI
14th May 2025
21AQI
21AQI
15th May 2025
31AQI
31AQI
16th May 2025
32AQI
32AQI
17th May 2025
32AQI
32AQI
18th May 2025
28AQI
28AQI
19th May 2025
33AQI
33AQI
20th May 2025
23AQI
23AQI
21st May 2025
34AQI
34AQI
22nd May 2025
31AQI
31AQI
23rd May 2025
24AQI
24AQI
24th May 2025
31AQI
31AQI
25th May 2025
26AQI
26AQI
26th May 2025
20AQI
20AQI
27th May 2025
24AQI
24AQI
28th May 2025
33AQI
33AQI
29th May 2025
26AQI
26AQI
30th May 2025
42AQI
42AQI
31st May 2025
43AQI
43AQI
1st June 2025
41AQI
41AQI
2nd June 2025
49AQI
49AQI
3rd June 2025
40AQI
40AQI
4th June 2025
47AQI
47AQI
5th June 2025
50AQI
50AQI
6th June 2025
34AQI
34AQI
7th June 2025
36AQI
36AQI
8th June 2025
31AQI
31AQI
9th June 2025
29AQI
29AQI
10th June 2025
37AQI
37AQI
11th June 2025
42AQI
42AQI
12th June 2025
48AQI
48AQI
13th June 2025
40AQI
40AQI
14th June 2025
30AQI
30AQI
15th June 2025
29AQI
29AQI
16th June 2025
35AQI
35AQI
17th June 2025
34AQI
34AQI
18th June 2025
39AQI
39AQI
19th June 2025
39AQI
39AQI
20th June 2025
42AQI
42AQI
21st June 2025
35AQI
35AQI
22nd June 2025
30AQI
30AQI
23rd June 2025
28AQI
28AQI
24th June 2025
28AQI
28AQI
25th June 2025
26AQI
26AQI
26th June 2025
31AQI
31AQI
27th June 2025
36AQI
36AQI
28th June 2025
45AQI
45AQI
29th June 2025
35AQI
35AQI
30th June 2025
31AQI
31AQI
1st July 2025
33AQI
33AQI
2nd July 2025
39AQI
39AQI
3rd July 2025
46AQI
46AQI
4th July 2025
29AQI
29AQI
5th July 2025
45AQI
45AQI
6th July 2025
34AQI
34AQI
7th July 2025
32AQI
32AQI
8th July 2025
33AQI
33AQI
9th July 2025
27AQI
27AQI
10th July 2025
37AQI
37AQI
11th July 2025
56AQI
56AQI
12th July 2025
58AQI
58AQI
13th July 2025
46AQI
46AQI
14th July 2025
39AQI
39AQI
15th July 2025
44AQI
44AQI
16th July 2025
35AQI
35AQI
17th July 2025
28AQI
28AQI
18th July 2025
28AQI
28AQI
19th July 2025
31AQI
31AQI
20th July 2025
27AQI
27AQI
21st July 2025
28AQI
28AQI
22nd July 2025
18AQI
18AQI
23rd July 2025
20AQI
20AQI
24th July 2025
22AQI
22AQI
25th July 2025
18AQI
18AQI
26th July 2025
19AQI
19AQI
27th July 2025
18AQI
18AQI
28th July 2025
20AQI
20AQI
29th July 2025
27AQI
27AQI
30th July 2025
26AQI
26AQI
31st July 2025
35AQI
35AQI
1st August 2025
37AQI
37AQI
2nd August 2025
33AQI
33AQI
3rd August 2025
31AQI
31AQI
4th August 2025
32AQI
32AQI
5th August 2025
28AQI
28AQI
6th August 2025
31AQI
31AQI
7th August 2025
33AQI
33AQI
8th August 2025
35AQI
35AQI
9th August 2025
44AQI
44AQI
10th August 2025
42AQI
42AQI
11th August 2025
38AQI
38AQI
44AQI
29AQI
25AQI
27AQI
31AQI
37AQI
32AQI
35AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202532AQI
20
11
27
1
31
30
31
30
29
2
11
209
14
Highest AQI recorded in
January44AQI
Lowest AQI recorded in
March25AQI
202442AQI
9
6
12
29
28
3
31
17
11
18
13
24
6
19
12
187
51
Highest AQI recorded in
October52AQI
Lowest AQI recorded in
May31AQI
202339AQI
24
7
18
10
31
30
30
1
30
26
5
29
2
25
5
24
7
16
13
14
16
1
297
66
1
Highest AQI recorded in
December56AQI
Lowest AQI recorded in
May30AQI
202242AQI
8
21
1
18
4
31
29
1
30
1
30
22
1
2
22
7
23
8
17
12
1
15
16
246
72
2
Highest AQI recorded in
January62AQI
Lowest AQI recorded in
May32AQI
202145AQI
15
11
4
24
4
31
30
30
1
27
3
24
7
11
13
6
1
16
14
24
5
1
1
12
18
16
15
260
91
11
2
Highest AQI recorded in
August69AQI
Lowest AQI recorded in
March31AQI
202053AQI
13
20
18
30
31
15
9
3
4
5
13
9
3
13
12
3
2
13
17
7
24
165
75
15
9
Highest AQI recorded in
September91AQI
Lowest AQI recorded in
May31AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
53AQILeast Polluted Year Recorded
2025(Avg.)
32AQIMerced's annual 2025 AQI (32) shows an average percentage change of -25.9% (improved AQI) compared to previous years: 2020 (53), 2021 (45), 2022 (42), 2023 (39), 2024 (42).
