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HistoryAQIPM2.5PM10COSO2NO2O3

Downtown Modesto, Modesto, 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

Downtown Modesto, Modesto, California, United States

2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
9th Aug 2025
41AQI
Lowest AQI recorded on
5th Aug 2025
26AQI

Same Day Analysis (13th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 30 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 13th Aug - 14th Aug 2025

Downtown Modesto, Modesto, California, United States

AQI
Day
Night
.

6 AM13th Aug 2025

8 PM

5 AM14th Aug 2025

Day time
Avg. Highest Time
12PM13th Aug

42AQI

Avg. Lowest Time
6AM13th Aug

24AQI

Night time
Avg. Highest Time
11PM13th Aug

37AQI

Avg. Lowest Time
5AM14th Aug

27AQI

In the last 24 hours,

Downtown Modesto's AQI reached its highest point of 42 at 12 PM during the Day, while the lowest point, 24, was recorded at 6 AM during the Day between 13th Aug and 14th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Downtown Modesto, Modesto, California, United States

JulAug
15th - 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 - 13th13th - 14th14th
Day
Night
15th Jul 2025206 AMAQI
15th Jul 2025277 AMAQI
15th Jul 2025318 AMAQI
15th Jul 2025299 AMAQI
15th Jul 20252810 AMAQI
15th Jul 20252311 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025251 PMAQI
15th Jul 2025272 PMAQI
15th Jul 2025303 PMAQI
15th Jul 2025284 PMAQI
15th Jul 2025285 PMAQI
15th Jul 2025296 PMAQI
15th Jul 2025317 PMAQI
15th Jul 2025348 PMAQI
15th Jul 2025389 PMAQI
15th Jul 20253810 PMAQI
15th Jul 20253611 PMAQI
16th Jul 20253412 AMAQI
16th Jul 2025331 AMAQI
16th Jul 2025332 AMAQI
16th Jul 2025313 AMAQI
16th Jul 2025344 AMAQI
16th Jul 2025355 AMAQI

25°C15/40°C

16th Jul 2025306 AMAQI
16th Jul 2025287 AMAQI
16th Jul 2025278 AMAQI
16th Jul 2025229 AMAQI
16th Jul 20252110 AMAQI
16th Jul 20252011 AMAQI
16th Jul 20251812 PMAQI
16th Jul 2025221 PMAQI
16th Jul 2025242 PMAQI
16th Jul 2025263 PMAQI
16th Jul 2025334 PMAQI
16th Jul 2025345 PMAQI
16th Jul 2025366 PMAQI
16th Jul 2025337 PMAQI
16th Jul 2025328 PMAQI
16th Jul 2025349 PMAQI
16th Jul 20253410 PMAQI
16th Jul 20252911 PMAQI
17th Jul 20252612 AMAQI
17th Jul 2025261 AMAQI
17th Jul 2025262 AMAQI
17th Jul 2025263 AMAQI
17th Jul 2025214 AMAQI
17th Jul 2025205 AMAQI

23°C13/36°C

17th Jul 2025176 AMAQI
17th Jul 2025187 AMAQI
17th Jul 2025248 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20252510 AMAQI
17th Jul 20252211 AMAQI
17th Jul 20252012 PMAQI
17th Jul 2025191 PMAQI
17th Jul 2025192 PMAQI
17th Jul 2025203 PMAQI
17th Jul 2025234 PMAQI
17th Jul 2025265 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025267 PMAQI
17th Jul 2025288 PMAQI
17th Jul 2025339 PMAQI
17th Jul 20253210 PMAQI
17th Jul 20252711 PMAQI
18th Jul 20252812 AMAQI
18th Jul 2025281 AMAQI
18th Jul 2025242 AMAQI
18th Jul 2025243 AMAQI
18th Jul 2025214 AMAQI
18th Jul 2025185 AMAQI

24°C13/38°C

18th Jul 2025166 AMAQI
18th Jul 2025187 AMAQI
18th Jul 2025198 AMAQI
18th Jul 2025239 AMAQI
18th Jul 20252010 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20251912 PMAQI
18th Jul 2025201 PMAQI
18th Jul 2025212 PMAQI
18th Jul 2025223 PMAQI
18th Jul 2025234 PMAQI
18th Jul 2025305 PMAQI
18th Jul 2025316 PMAQI
18th Jul 2025237 PMAQI
18th Jul 2025238 PMAQI
18th Jul 2025289 PMAQI
18th Jul 20252810 PMAQI
18th Jul 20252711 PMAQI
19th Jul 20252812 AMAQI
19th Jul 2025281 AMAQI
19th Jul 2025292 AMAQI
19th Jul 2025283 AMAQI
19th Jul 2025244 AMAQI
19th Jul 2025245 AMAQI

25°C13/39°C

19th Jul 2025226 AMAQI
19th Jul 2025217 AMAQI
19th Jul 2025228 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20252310 AMAQI
19th Jul 20252511 AMAQI
19th Jul 20252712 PMAQI
19th Jul 2025271 PMAQI
19th Jul 2025302 PMAQI
19th Jul 2025323 PMAQI
19th Jul 2025344 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025306 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025269 PMAQI
19th Jul 20252610 PMAQI
19th Jul 20252711 PMAQI
20th Jul 20252612 AMAQI
20th Jul 2025241 AMAQI
20th Jul 2025242 AMAQI
20th Jul 2025223 AMAQI
20th Jul 2025204 AMAQI
20th Jul 2025215 AMAQI

24°C13/39°C

20th Jul 2025316 AMAQI
20th Jul 2025287 AMAQI
20th Jul 2025288 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20252910 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20253212 PMAQI
20th Jul 2025301 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025283 PMAQI
20th Jul 2025284 PMAQI
20th Jul 2025275 PMAQI
20th Jul 2025276 PMAQI
20th Jul 2025267 PMAQI
20th Jul 2025258 PMAQI
20th Jul 2025239 PMAQI
20th Jul 20252210 PMAQI
20th Jul 20252611 PMAQI
21st Jul 20252812 AMAQI
21st Jul 2025261 AMAQI
21st Jul 2025262 AMAQI
21st Jul 2025323 AMAQI
21st Jul 2025344 AMAQI
21st Jul 2025315 AMAQI

25°C14/39°C

21st Jul 2025346 AMAQI
21st Jul 2025317 AMAQI
21st Jul 2025328 AMAQI
21st Jul 2025299 AMAQI
21st Jul 20253210 AMAQI
21st Jul 20253211 AMAQI
21st Jul 20253412 PMAQI
21st Jul 2025321 PMAQI
21st Jul 2025312 PMAQI
21st Jul 2025273 PMAQI
21st Jul 2025244 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025226 PMAQI
21st Jul 2025277 PMAQI
21st Jul 2025268 PMAQI
21st Jul 2025239 PMAQI
21st Jul 20252210 PMAQI
21st Jul 20252111 PMAQI
22nd Jul 20252112 AMAQI
22nd Jul 2025181 AMAQI
22nd Jul 2025172 AMAQI
22nd Jul 2025183 AMAQI
22nd Jul 2025184 AMAQI
22nd Jul 2025165 AMAQI

23°C14/35°C

22nd Jul 2025156 AMAQI
22nd Jul 2025187 AMAQI
22nd Jul 2025198 AMAQI
22nd Jul 2025229 AMAQI
22nd Jul 20251510 AMAQI
22nd Jul 20251511 AMAQI
22nd Jul 20251612 PMAQI
22nd Jul 2025141 PMAQI
22nd Jul 2025142 PMAQI
22nd Jul 2025153 PMAQI
22nd Jul 2025154 PMAQI
22nd Jul 2025165 PMAQI
22nd Jul 2025166 PMAQI
22nd Jul 2025187 PMAQI
22nd Jul 2025168 PMAQI
22nd Jul 2025239 PMAQI
22nd Jul 20252110 PMAQI
22nd Jul 20252111 PMAQI
23rd Jul 20251912 AMAQI
23rd Jul 2025171 AMAQI
23rd Jul 2025152 AMAQI
23rd Jul 2025143 AMAQI
23rd Jul 2025154 AMAQI
23rd Jul 2025165 AMAQI

21°C12/32°C

23rd Jul 2025226 AMAQI
23rd Jul 2025237 AMAQI
23rd Jul 2025238 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252010 AMAQI
23rd Jul 20252011 AMAQI
23rd Jul 20252112 PMAQI
23rd Jul 2025201 PMAQI
23rd Jul 2025182 PMAQI
23rd Jul 2025173 PMAQI
23rd Jul 2025194 PMAQI
23rd Jul 2025185 PMAQI
23rd Jul 2025186 PMAQI
23rd Jul 2025207 PMAQI
23rd Jul 2025238 PMAQI
23rd Jul 2025269 PMAQI
23rd Jul 20252710 PMAQI
23rd Jul 20252411 PMAQI
24th Jul 20252012 AMAQI
24th Jul 2025161 AMAQI
24th Jul 2025152 AMAQI
24th Jul 2025163 AMAQI
24th Jul 2025144 AMAQI
24th Jul 2025145 AMAQI

21°C12/35°C

24th Jul 2025136 AMAQI
24th Jul 2025147 AMAQI
24th Jul 2025168 AMAQI
24th Jul 2025169 AMAQI
24th Jul 20252010 AMAQI
24th Jul 20252411 AMAQI
24th Jul 20252312 PMAQI
24th Jul 2025181 PMAQI
24th Jul 2025212 PMAQI
24th Jul 2025223 PMAQI
24th Jul 2025234 PMAQI
24th Jul 2025245 PMAQI
24th Jul 2025236 PMAQI
24th Jul 2025217 PMAQI
24th Jul 2025228 PMAQI
24th Jul 2025289 PMAQI
24th Jul 20252410 PMAQI
24th Jul 20252111 PMAQI
25th Jul 20251812 AMAQI
25th Jul 2025171 AMAQI
25th Jul 2025172 AMAQI
25th Jul 2025173 AMAQI
25th Jul 2025184 AMAQI
25th Jul 2025185 AMAQI

22°C13/35°C

25th Jul 2025176 AMAQI
25th Jul 2025167 AMAQI
25th Jul 2025188 AMAQI
25th Jul 2025179 AMAQI
25th Jul 20251410 AMAQI
25th Jul 20251611 AMAQI
25th Jul 20251612 PMAQI
25th Jul 2025191 PMAQI
25th Jul 2025172 PMAQI
25th Jul 2025173 PMAQI
25th Jul 2025184 PMAQI
25th Jul 2025185 PMAQI
25th Jul 2025186 PMAQI
25th Jul 2025167 PMAQI
25th Jul 2025168 PMAQI
25th Jul 2025179 PMAQI
25th Jul 20251710 PMAQI
25th Jul 20251711 PMAQI
26th Jul 20251912 AMAQI
26th Jul 2025221 AMAQI
26th Jul 2025232 AMAQI
26th Jul 2025203 AMAQI
26th Jul 2025154 AMAQI
26th Jul 2025165 AMAQI

22°C13/36°C

26th Jul 2025166 AMAQI
26th Jul 2025147 AMAQI
26th Jul 2025168 AMAQI
26th Jul 2025149 AMAQI
26th Jul 20251410 AMAQI
26th Jul 20251611 AMAQI
26th Jul 20251512 PMAQI
26th Jul 2025131 PMAQI
26th Jul 2025142 PMAQI
26th Jul 2025163 PMAQI
26th Jul 2025164 PMAQI
26th Jul 2025155 PMAQI
26th Jul 2025166 PMAQI
26th Jul 2025167 PMAQI
26th Jul 2025168 PMAQI
26th Jul 2025159 PMAQI
26th Jul 20251510 PMAQI
26th Jul 20251611 PMAQI
27th Jul 20252012 AMAQI
27th Jul 2025211 AMAQI
27th Jul 2025172 AMAQI
27th Jul 2025163 AMAQI
27th Jul 2025144 AMAQI
27th Jul 2025165 AMAQI

22°C12/34°C

27th Jul 2025206 AMAQI
27th Jul 2025267 AMAQI
27th Jul 2025208 AMAQI
27th Jul 2025169 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20252311 AMAQI
27th Jul 20251512 PMAQI
27th Jul 2025151 PMAQI
27th Jul 2025142 PMAQI
27th Jul 2025153 PMAQI
27th Jul 2025154 PMAQI
27th Jul 2025155 PMAQI
27th Jul 2025176 PMAQI
27th Jul 2025177 PMAQI
27th Jul 2025168 PMAQI
27th Jul 2025189 PMAQI
27th Jul 20251810 PMAQI
27th Jul 20251811 PMAQI
28th Jul 20252012 AMAQI
28th Jul 2025181 AMAQI
28th Jul 2025182 AMAQI
28th Jul 2025183 AMAQI
28th Jul 2025174 AMAQI
28th Jul 2025165 AMAQI

22°C12/35°C

28th Jul 2025186 AMAQI
28th Jul 2025207 AMAQI
28th Jul 2025228 AMAQI
28th Jul 2025189 AMAQI
28th Jul 20253210 AMAQI
28th Jul 20252011 AMAQI
28th Jul 20252112 PMAQI
28th Jul 2025221 PMAQI
28th Jul 2025222 PMAQI
28th Jul 2025203 PMAQI
28th Jul 2025244 PMAQI
28th Jul 2025255 PMAQI
28th Jul 2025286 PMAQI
28th Jul 2025217 PMAQI
28th Jul 2025248 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253110 PMAQI
28th Jul 20252911 PMAQI
29th Jul 20252612 AMAQI
29th Jul 2025241 AMAQI
29th Jul 2025222 AMAQI
29th Jul 2025203 AMAQI
29th Jul 2025174 AMAQI
29th Jul 2025175 AMAQI

25°C14/39°C

29th Jul 2025176 AMAQI
29th Jul 2025187 AMAQI
29th Jul 2025248 AMAQI
29th Jul 2025209 AMAQI
29th Jul 20252210 AMAQI
29th Jul 20252711 AMAQI
29th Jul 20252812 PMAQI
29th Jul 2025281 PMAQI
29th Jul 2025292 PMAQI
29th Jul 2025273 PMAQI
29th Jul 2025294 PMAQI
29th Jul 2025265 PMAQI
29th Jul 2025226 PMAQI
29th Jul 2025237 PMAQI
29th Jul 2025248 PMAQI
29th Jul 2025219 PMAQI
29th Jul 20252010 PMAQI
29th Jul 20252011 PMAQI
30th Jul 20252212 AMAQI
30th Jul 2025261 AMAQI
30th Jul 2025262 AMAQI
30th Jul 2025283 AMAQI
30th Jul 2025234 AMAQI
30th Jul 2025225 AMAQI

27°C16/40°C

30th Jul 2025246 AMAQI
30th Jul 2025237 AMAQI
30th Jul 2025208 AMAQI
30th Jul 2025219 AMAQI
30th Jul 20252410 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252412 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025292 PMAQI
30th Jul 2025293 PMAQI
30th Jul 2025294 PMAQI
30th Jul 2025295 PMAQI
30th Jul 2025296 PMAQI
30th Jul 2025297 PMAQI
30th Jul 2025298 PMAQI
30th Jul 2025289 PMAQI
30th Jul 20253110 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20253412 AMAQI
31st Jul 2025371 AMAQI
31st Jul 2025342 AMAQI
31st Jul 2025363 AMAQI
31st Jul 2025334 AMAQI
31st Jul 2025305 AMAQI

25°C13/39°C

31st Jul 2025246 AMAQI
31st Jul 2025217 AMAQI
31st Jul 2025248 AMAQI
31st Jul 2025269 AMAQI
31st Jul 20252810 AMAQI
31st Jul 20253011 AMAQI
31st Jul 20253112 PMAQI
31st Jul 2025331 PMAQI
31st Jul 2025322 PMAQI
31st Jul 2025323 PMAQI
31st Jul 2025364 PMAQI
31st Jul 2025475 PMAQI
31st Jul 2025466 PMAQI
31st Jul 2025347 PMAQI
31st Jul 2025328 PMAQI
31st Jul 2025339 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20253111 PMAQI
1st Aug 20253712 AMAQI
1st Aug 2025441 AMAQI
1st Aug 2025432 AMAQI
1st Aug 2025413 AMAQI
1st Aug 2025384 AMAQI
1st Aug 2025345 AMAQI

25°C14/41°C

1st Aug 2025366 AMAQI
1st Aug 2025307 AMAQI
1st Aug 2025338 AMAQI
1st Aug 2025349 AMAQI
1st Aug 20252810 AMAQI
1st Aug 20252811 AMAQI
1st Aug 20252812 PMAQI
1st Aug 2025251 PMAQI
1st Aug 2025272 PMAQI
1st Aug 2025293 PMAQI
1st Aug 2025364 PMAQI
1st Aug 2025435 PMAQI
1st Aug 2025436 PMAQI
1st Aug 2025377 PMAQI
1st Aug 2025388 PMAQI
1st Aug 2025479 PMAQI
1st Aug 20254610 PMAQI
1st Aug 20253811 PMAQI
2nd Aug 20253212 AMAQI
2nd Aug 2025311 AMAQI
2nd Aug 2025282 AMAQI
2nd Aug 2025253 AMAQI
2nd Aug 2025274 AMAQI
2nd Aug 2025285 AMAQI

26°C14/40°C

2nd Aug 2025286 AMAQI
2nd Aug 2025307 AMAQI
2nd Aug 2025268 AMAQI
2nd Aug 2025279 AMAQI
2nd Aug 20253010 AMAQI
2nd Aug 20252811 AMAQI
2nd Aug 20252412 PMAQI
2nd Aug 2025231 PMAQI
2nd Aug 2025232 PMAQI
2nd Aug 2025273 PMAQI
2nd Aug 2025284 PMAQI
2nd Aug 2025285 PMAQI
2nd Aug 2025296 PMAQI
2nd Aug 2025307 PMAQI
2nd Aug 2025318 PMAQI
2nd Aug 2025309 PMAQI
2nd Aug 20253210 PMAQI
2nd Aug 20252811 PMAQI
3rd Aug 20252812 AMAQI
3rd Aug 2025261 AMAQI
3rd Aug 2025262 AMAQI
3rd Aug 2025273 AMAQI
3rd Aug 2025254 AMAQI
3rd Aug 2025245 AMAQI

25°C14/39°C

3rd Aug 2025236 AMAQI
3rd Aug 2025247 AMAQI
3rd Aug 2025268 AMAQI
3rd Aug 2025279 AMAQI
3rd Aug 20252910 AMAQI
3rd Aug 20253311 AMAQI
3rd Aug 20253212 PMAQI
3rd Aug 2025311 PMAQI
3rd Aug 2025312 PMAQI
3rd Aug 2025353 PMAQI
3rd Aug 2025334 PMAQI
3rd Aug 2025305 PMAQI
3rd Aug 2025336 PMAQI
3rd Aug 2025307 PMAQI
3rd Aug 2025348 PMAQI
3rd Aug 2025339 PMAQI
3rd Aug 20252410 PMAQI
3rd Aug 20252311 PMAQI
4th Aug 20252612 AMAQI
4th Aug 2025241 AMAQI
4th Aug 2025262 AMAQI
4th Aug 2025263 AMAQI
4th Aug 2025314 AMAQI
4th Aug 2025315 AMAQI

25°C14/39°C

4th Aug 2025316 AMAQI
4th Aug 2025317 AMAQI
4th Aug 2025338 AMAQI
4th Aug 2025389 AMAQI
4th Aug 20253810 AMAQI
4th Aug 20253911 AMAQI
4th Aug 20253812 PMAQI
4th Aug 2025351 PMAQI
4th Aug 2025372 PMAQI
4th Aug 2025383 PMAQI
4th Aug 2025354 PMAQI
4th Aug 2025325 PMAQI
4th Aug 2025306 PMAQI
4th Aug 2025307 PMAQI
4th Aug 2025308 PMAQI
4th Aug 2025309 PMAQI
4th Aug 20252810 PMAQI
4th Aug 20252311 PMAQI
5th Aug 20252512 AMAQI
5th Aug 2025251 AMAQI
5th Aug 2025242 AMAQI
5th Aug 2025223 AMAQI
5th Aug 2025224 AMAQI
5th Aug 2025235 AMAQI

24°C14/37°C

5th Aug 2025226 AMAQI
5th Aug 2025267 AMAQI
5th Aug 2025268 AMAQI
5th Aug 2025279 AMAQI
5th Aug 20253010 AMAQI
5th Aug 20252811 AMAQI
5th Aug 20252912 PMAQI
5th Aug 2025321 PMAQI
5th Aug 2025422 PMAQI
5th Aug 2025343 PMAQI
5th Aug 2025264 PMAQI
5th Aug 2025265 PMAQI
5th Aug 2025246 PMAQI
5th Aug 2025267 PMAQI
5th Aug 2025248 PMAQI
5th Aug 2025239 PMAQI
5th Aug 20252210 PMAQI
5th Aug 20252411 PMAQI
6th Aug 20252612 AMAQI
6th Aug 2025281 AMAQI
6th Aug 2025302 AMAQI
6th Aug 2025303 AMAQI
6th Aug 2025304 AMAQI
6th Aug 2025345 AMAQI

24°C14/37°C

6th Aug 2025376 AMAQI
6th Aug 2025347 AMAQI
6th Aug 2025348 AMAQI
6th Aug 2025349 AMAQI
6th Aug 20253310 AMAQI
6th Aug 20253411 AMAQI
6th Aug 20253612 PMAQI
6th Aug 2025401 PMAQI
6th Aug 2025412 PMAQI
6th Aug 2025433 PMAQI
6th Aug 2025404 PMAQI
6th Aug 2025415 PMAQI
6th Aug 2025346 PMAQI
6th Aug 2025337 PMAQI
6th Aug 2025348 PMAQI
6th Aug 2025369 PMAQI
6th Aug 20253610 PMAQI
6th Aug 20253011 PMAQI
7th Aug 20253212 AMAQI
7th Aug 2025301 AMAQI
7th Aug 2025332 AMAQI
7th Aug 2025313 AMAQI
7th Aug 2025274 AMAQI
7th Aug 2025245 AMAQI

27°C16/40°C

7th Aug 2025196 AMAQI
7th Aug 2025217 AMAQI
7th Aug 2025248 AMAQI
7th Aug 2025309 AMAQI
7th Aug 20253210 AMAQI
7th Aug 20252811 AMAQI
7th Aug 20252412 PMAQI
7th Aug 2025261 PMAQI
7th Aug 2025312 PMAQI
7th Aug 2025323 PMAQI
7th Aug 2025324 PMAQI
7th Aug 2025305 PMAQI
7th Aug 2025286 PMAQI
7th Aug 2025287 PMAQI
7th Aug 2025278 PMAQI
7th Aug 2025249 PMAQI
7th Aug 20252410 PMAQI
7th Aug 20252411 PMAQI
8th Aug 20252612 AMAQI
8th Aug 2025301 AMAQI
8th Aug 2025282 AMAQI
8th Aug 2025273 AMAQI
8th Aug 2025244 AMAQI
8th Aug 2025265 AMAQI

29°C19/41°C

8th Aug 2025236 AMAQI
8th Aug 2025227 AMAQI
8th Aug 2025268 AMAQI
8th Aug 2025329 AMAQI
8th Aug 20253410 AMAQI
8th Aug 20253711 AMAQI
8th Aug 20253712 PMAQI
8th Aug 2025361 PMAQI
8th Aug 2025402 PMAQI
8th Aug 2025443 PMAQI
8th Aug 2025434 PMAQI
8th Aug 2025425 PMAQI
8th Aug 2025446 PMAQI
8th Aug 2025327 PMAQI
8th Aug 2025358 PMAQI
8th Aug 2025389 PMAQI
8th Aug 20253810 PMAQI
8th Aug 20254211 PMAQI
9th Aug 20254412 AMAQI
9th Aug 2025421 AMAQI
9th Aug 2025432 AMAQI
9th Aug 2025443 AMAQI
9th Aug 2025404 AMAQI
9th Aug 2025345 AMAQI

30°C17/43°C

9th Aug 2025356 AMAQI
9th Aug 2025407 AMAQI
9th Aug 2025398 AMAQI
9th Aug 2025399 AMAQI
9th Aug 20254210 AMAQI
9th Aug 20254711 AMAQI
9th Aug 20255012 PMAQI
9th Aug 2025481 PMAQI
9th Aug 2025452 PMAQI
9th Aug 2025443 PMAQI
9th Aug 2025444 PMAQI
9th Aug 2025465 PMAQI
9th Aug 2025436 PMAQI
9th Aug 2025417 PMAQI
9th Aug 2025428 PMAQI
9th Aug 2025349 PMAQI
9th Aug 20253410 PMAQI
9th Aug 20253411 PMAQI
10th Aug 20253712 AMAQI
10th Aug 2025381 AMAQI
10th Aug 2025392 AMAQI
10th Aug 2025373 AMAQI
10th Aug 2025314 AMAQI
10th Aug 2025265 AMAQI

31°C19/44°C

10th Aug 2025336 AMAQI
10th Aug 2025367 AMAQI
10th Aug 2025338 AMAQI
10th Aug 2025329 AMAQI
10th Aug 20253610 AMAQI
10th Aug 20253411 AMAQI
10th Aug 20252912 PMAQI
10th Aug 2025281 PMAQI
10th Aug 2025332 PMAQI
10th Aug 2025323 PMAQI
10th Aug 2025334 PMAQI
10th Aug 2025365 PMAQI
10th Aug 2025386 PMAQI
10th Aug 2025347 PMAQI
10th Aug 2025348 PMAQI
10th Aug 2025339 PMAQI
10th Aug 20253110 PMAQI
10th Aug 20253311 PMAQI
11th Aug 20253412 AMAQI
11th Aug 2025301 AMAQI
11th Aug 2025282 AMAQI
11th Aug 2025263 AMAQI
11th Aug 2025234 AMAQI
11th Aug 2025255 AMAQI

29°C17/45°C

11th Aug 2025256 AMAQI
11th Aug 2025207 AMAQI
11th Aug 2025218 AMAQI
11th Aug 2025209 AMAQI
11th Aug 20252210 AMAQI
11th Aug 20252811 AMAQI
11th Aug 20252812 PMAQI
11th Aug 2025341 PMAQI
11th Aug 2025402 PMAQI
11th Aug 2025413 PMAQI
11th Aug 2025394 PMAQI
11th Aug 2025395 PMAQI
11th Aug 2025426 PMAQI
11th Aug 2025307 PMAQI
11th Aug 2025368 PMAQI
11th Aug 2025469 PMAQI
11th Aug 20254010 PMAQI
11th Aug 20253811 PMAQI
12th Aug 20254012 AMAQI
12th Aug 2025381 AMAQI
12th Aug 2025372 AMAQI
12th Aug 2025343 AMAQI
12th Aug 2025334 AMAQI
12th Aug 2025305 AMAQI

28°C17/44°C

12th Aug 2025296 AMAQI
12th Aug 2025347 AMAQI
12th Aug 2025328 AMAQI
12th Aug 2025299 AMAQI
12th Aug 20253110 AMAQI
12th Aug 20253411 AMAQI
12th Aug 20253412 PMAQI
12th Aug 2025331 PMAQI
12th Aug 2025372 PMAQI
12th Aug 2025413 PMAQI
12th Aug 2025434 PMAQI
12th Aug 2025445 PMAQI
12th Aug 2025466 PMAQI
12th Aug 2025377 PMAQI
12th Aug 2025398 PMAQI
12th Aug 2025409 PMAQI
12th Aug 20253710 PMAQI
12th Aug 20253511 PMAQI
13th Aug 20253012 AMAQI
13th Aug 2025241 AMAQI
13th Aug 2025242 AMAQI
13th Aug 2025233 AMAQI
13th Aug 2025224 AMAQI
13th Aug 2025235 AMAQI

26°C15/41°C

13th Aug 2025246 AMAQI
13th Aug 2025267 AMAQI
13th Aug 2025268 AMAQI
13th Aug 2025279 AMAQI
13th Aug 20253210 AMAQI
13th Aug 20253611 AMAQI
13th Aug 20254212 PMAQI
13th Aug 2025401 PMAQI
13th Aug 2025362 PMAQI
13th Aug 2025343 PMAQI
13th Aug 2025354 PMAQI
13th Aug 2025365 PMAQI
13th Aug 2025336 PMAQI
13th Aug 2025347 PMAQI
13th Aug 2025368 PMAQI
13th Aug 2025349 PMAQI
13th Aug 20253310 PMAQI
13th Aug 20253711 PMAQI
14th Aug 20253312 AMAQI
14th Aug 2025301 AMAQI
14th Aug 2025282 AMAQI
14th Aug 2025273 AMAQI
14th Aug 2025294 AMAQI
14th Aug 2025275 AMAQI

24°C14/39°C

14th Aug 2025306 AMAQI
6 AM
14th Aug 2025307 AMAQI
14th Aug 2025258 AMAQI
14th Aug 2025229 AMAQI
14th Aug 20252110 AMAQI
14th Aug 20252511 AMAQI
14th Aug 20252012 PMAQI
1 PM
8 PM
1 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 6 PM

27AQI

13 hours / Day
390 hours / Month
Avg. Lowest Time
6 AM - 8 PM

27AQI

15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 PM (Avg. 27), while the lowest AQI was between 6 AM to 8 PM (Avg. 27).
Night time
Avg. Highest Time
9 PM - 11 PM

29AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
4 AM - 5 AM

24AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 29), while the lowest AQI was between 4 AM to 5 AM (Avg. 24).

2025 Days Vs Air Quality

Downtown Modesto, Modesto, California, United States

2025

97%

137

3%

4

Total number of days with different AQI categories in last 226 days in 2025 (139 days remaining)

Good
137 Days
Moderate
4 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 97%

Health Risk Level:

Very Low

In 2025, 97% of 226 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

Downtown Modesto, Modesto, 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
28AQI
2nd March 2025
26AQI
3rd March 2025
24AQI
4th March 2025
21AQI
5th March 2025
25AQI
6th March 2025
23AQI
1st April 2025
19AQI
2nd April 2025
24AQI
3rd April 2025
29AQI
4th April 2025
20AQI
5th April 2025
23AQI
6th April 2025
30AQI
7th April 2025
17AQI
8th April 2025
18AQI
9th April 2025
26AQI
10th April 2025
31AQI
11th April 2025
19AQI
12th April 2025
30AQI
13th April 2025
33AQI
14th April 2025
33AQI
15th April 2025
39AQI
16th April 2025
39AQI
17th April 2025
30AQI
18th April 2025
33AQI
19th April 2025
39AQI
20th April 2025
35AQI
21st April 2025
32AQI
22nd April 2025
40AQI
23rd April 2025
45AQI
24th April 2025
42AQI
25th April 2025
31AQI
26th April 2025
18AQI
27th April 2025
22AQI
28th April 2025
32AQI
29th April 2025
41AQI
30th April 2025
49AQI
1st May 2025
47AQI
2nd May 2025
38AQI
3rd May 2025
20AQI
4th May 2025
33AQI
5th May 2025
33AQI
6th May 2025
33AQI
7th May 2025
53AQI
8th May 2025
50AQI
9th May 2025
37AQI
10th May 2025
30AQI
11th May 2025
24AQI
12th May 2025
20AQI
13th May 2025
18AQI
14th May 2025
25AQI
15th May 2025
35AQI
16th May 2025
34AQI
17th May 2025
35AQI
18th May 2025
28AQI
19th May 2025
33AQI
20th May 2025
23AQI
21st May 2025
36AQI
22nd May 2025
34AQI
23rd May 2025
27AQI
24th May 2025
32AQI
25th May 2025
24AQI
26th May 2025
17AQI
27th May 2025
27AQI
28th May 2025
35AQI
29th May 2025
22AQI
30th May 2025
36AQI
31st May 2025
40AQI
1st June 2025
36AQI
2nd June 2025
52AQI
3rd June 2025
39AQI
4th June 2025
46AQI
5th June 2025
46AQI
6th June 2025
27AQI
7th June 2025
31AQI
8th June 2025
26AQI
9th June 2025
27AQI
10th June 2025
30AQI
11th June 2025
47AQI
12th June 2025
49AQI
13th June 2025
37AQI
14th June 2025
34AQI
15th June 2025
37AQI
16th June 2025
40AQI
17th June 2025
32AQI
18th June 2025
39AQI
19th June 2025
41AQI
20th June 2025
39AQI
21st June 2025
31AQI
22nd June 2025
27AQI
23rd June 2025
32AQI
24th June 2025
26AQI
25th June 2025
27AQI
26th June 2025
28AQI
27th June 2025
36AQI
28th June 2025
41AQI
29th June 2025
38AQI
30th June 2025
33AQI
1st July 2025
30AQI
2nd July 2025
35AQI
3rd July 2025
41AQI
4th July 2025
30AQI
5th July 2025
45AQI
6th July 2025
32AQI
7th July 2025
36AQI
8th July 2025
27AQI
9th July 2025
21AQI
10th July 2025
32AQI
11th July 2025
52AQI
12th July 2025
55AQI
13th July 2025
43AQI
14th July 2025
32AQI
15th July 2025
29AQI
16th July 2025
30AQI
17th July 2025
25AQI
18th July 2025
24AQI
19th July 2025
27AQI
20th July 2025
26AQI
21st July 2025
28AQI
22nd July 2025
17AQI
23rd July 2025
20AQI
24th July 2025
19AQI
25th July 2025
17AQI
26th July 2025
16AQI
27th July 2025
18AQI
28th July 2025
22AQI
29th July 2025
22AQI
30th July 2025
26AQI
31st July 2025
33AQI
1st August 2025
37AQI
2nd August 2025
28AQI
3rd August 2025
28AQI
4th August 2025
31AQI
5th August 2025
26AQI
6th August 2025
34AQI
7th August 2025
27AQI
8th August 2025
33AQI
9th August 2025
41AQI
10th August 2025
34AQI
11th August 2025
32AQI
12th August 2025
36AQI
13th August 2025
30AQI

25AQI

31AQI

32AQI

36AQI

29AQI

32AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202532AQI

6
30
30
1
29
1
29
2
13
137
4

Highest AQI recorded in

June

36AQI

Lowest AQI recorded in

March

25AQI

Most & Least Polluted Years Over the Last 1 Years

Most Polluted Year Recorded
2025(Avg.)
32AQI
Least Polluted Year Recorded
2025(Avg.)
32AQI

Downtown Modesto's annual 2025 AQI (32) shows an average percentage change of NaN% (improved AQI) compared to previous years: .