Berkeley, 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
Berkeley, California, United States
2021
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
21st Aug 2021
69AQILowest AQI recorded on
5th Aug 2021
19AQISame Day Analysis (4th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 42 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Berkeley, California, United States
AQI
Day
Night
.
6 AM4th Aug 2025
8 PM
5 AM5th Aug 2025
Day time
Avg. Highest Time
3PM4th Aug
44AQI
Avg. Lowest Time
5PM4th Aug
34AQI
Night time
Avg. Highest Time
9PM4th Aug
37AQI
Avg. Lowest Time
5AM5th Aug
28AQI
In the last 24 hours,
Berkeley's AQI reached its highest point of 44 at 3 PM during the Day, while the lowest point, 28, was recorded at 5 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Berkeley, California, United States
JulAug
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
6th Jul 2025326 AMAQI
6th Jul 2025347 AMAQI
6th Jul 2025348 AMAQI
6th Jul 2025379 AMAQI
6th Jul 20253410 AMAQI
6th Jul 20253511 AMAQI
6th Jul 20253212 PMAQI
6th Jul 2025321 PMAQI
6th Jul 2025312 PMAQI
6th Jul 2025343 PMAQI
6th Jul 2025334 PMAQI
6th Jul 2025345 PMAQI
6th Jul 2025346 PMAQI
6th Jul 2025347 PMAQI
6th Jul 2025338 PMAQI
6th Jul 2025329 PMAQI
6th Jul 20253210 PMAQI
6th Jul 20253211 PMAQI
7th Jul 20253412 AMAQI
7th Jul 2025321 AMAQI
7th Jul 2025342 AMAQI
7th Jul 2025333 AMAQI
7th Jul 2025324 AMAQI
7th Jul 2025245 AMAQI
14°C11/18°C
7th Jul 2025316 AMAQI
7th Jul 2025267 AMAQI
7th Jul 2025238 AMAQI
7th Jul 2025289 AMAQI
7th Jul 20252810 AMAQI
7th Jul 20252611 AMAQI
7th Jul 20252412 PMAQI
7th Jul 2025281 PMAQI
7th Jul 2025282 PMAQI
7th Jul 2025283 PMAQI
7th Jul 2025284 PMAQI
7th Jul 2025285 PMAQI
7th Jul 2025286 PMAQI
7th Jul 2025267 PMAQI
7th Jul 2025288 PMAQI
7th Jul 2025289 PMAQI
7th Jul 20253010 PMAQI
7th Jul 20252811 PMAQI
8th Jul 20252912 AMAQI
8th Jul 2025281 AMAQI
8th Jul 2025282 AMAQI
8th Jul 2025273 AMAQI
8th Jul 2025224 AMAQI
8th Jul 2025205 AMAQI
14°C11/18°C
8th Jul 2025236 AMAQI
8th Jul 2025227 AMAQI
8th Jul 2025248 AMAQI
8th Jul 2025309 AMAQI
8th Jul 20252710 AMAQI
8th Jul 20252411 AMAQI
8th Jul 20252512 PMAQI
8th Jul 2025221 PMAQI
8th Jul 2025212 PMAQI
8th Jul 2025223 PMAQI
8th Jul 2025234 PMAQI
8th Jul 2025235 PMAQI
8th Jul 2025226 PMAQI
8th Jul 2025227 PMAQI
8th Jul 2025248 PMAQI
8th Jul 2025239 PMAQI
8th Jul 20252410 PMAQI
8th Jul 20252211 PMAQI
9th Jul 20252412 AMAQI
9th Jul 2025231 AMAQI
9th Jul 2025242 AMAQI
9th Jul 2025233 AMAQI
9th Jul 2025194 AMAQI
9th Jul 2025165 AMAQI
15°C13/19°C
9th Jul 2025356 AMAQI
9th Jul 2025197 AMAQI
9th Jul 2025188 AMAQI
9th Jul 2025189 AMAQI
9th Jul 20251610 AMAQI
9th Jul 20252011 AMAQI
9th Jul 20251812 PMAQI
9th Jul 2025181 PMAQI
9th Jul 2025182 PMAQI
9th Jul 2025203 PMAQI
9th Jul 2025204 PMAQI
9th Jul 2025215 PMAQI
9th Jul 2025226 PMAQI
9th Jul 2025207 PMAQI
9th Jul 2025218 PMAQI
9th Jul 2025249 PMAQI
9th Jul 20252210 PMAQI
9th Jul 20252311 PMAQI
10th Jul 20252312 AMAQI
10th Jul 2025221 AMAQI
10th Jul 2025222 AMAQI
10th Jul 2025223 AMAQI
10th Jul 2025224 AMAQI
10th Jul 2025285 AMAQI
16°C13/22°C
10th Jul 2025286 AMAQI
10th Jul 2025287 AMAQI
10th Jul 2025298 AMAQI
10th Jul 2025299 AMAQI
10th Jul 20252610 AMAQI
10th Jul 20252411 AMAQI
10th Jul 20252612 PMAQI
10th Jul 2025261 PMAQI
10th Jul 2025262 PMAQI
10th Jul 2025243 PMAQI
10th Jul 2025264 PMAQI
10th Jul 2025245 PMAQI
10th Jul 2025266 PMAQI
10th Jul 2025267 PMAQI
10th Jul 2025248 PMAQI
10th Jul 2025269 PMAQI
10th Jul 20252610 PMAQI
10th Jul 20252711 PMAQI
11th Jul 20252812 AMAQI
11th Jul 2025271 AMAQI
11th Jul 2025262 AMAQI
11th Jul 2025283 AMAQI
11th Jul 2025284 AMAQI
11th Jul 2025325 AMAQI
16°C12/23°C
11th Jul 2025366 AMAQI
11th Jul 2025367 AMAQI
11th Jul 2025398 AMAQI
11th Jul 2025409 AMAQI
11th Jul 20254410 AMAQI
11th Jul 20253211 AMAQI
11th Jul 20253312 PMAQI
11th Jul 2025311 PMAQI
11th Jul 2025322 PMAQI
11th Jul 2025343 PMAQI
11th Jul 2025334 PMAQI
11th Jul 2025355 PMAQI
11th Jul 2025326 PMAQI
11th Jul 2025317 PMAQI
11th Jul 2025348 PMAQI
11th Jul 2025339 PMAQI
11th Jul 20253310 PMAQI
11th Jul 20253611 PMAQI
12th Jul 20253712 AMAQI
12th Jul 2025341 AMAQI
12th Jul 2025322 AMAQI
12th Jul 2025323 AMAQI
12th Jul 2025344 AMAQI
12th Jul 2025425 AMAQI
15°C12/19°C
12th Jul 2025466 AMAQI
12th Jul 2025417 AMAQI
12th Jul 2025288 AMAQI
12th Jul 2025289 AMAQI
12th Jul 20252810 AMAQI
12th Jul 20252811 AMAQI
12th Jul 20252812 PMAQI
12th Jul 2025281 PMAQI
12th Jul 2025272 PMAQI
12th Jul 2025333 PMAQI
12th Jul 2025344 PMAQI
12th Jul 2025345 PMAQI
12th Jul 2025346 PMAQI
12th Jul 2025357 PMAQI
12th Jul 2025368 PMAQI
12th Jul 2025359 PMAQI
12th Jul 20253610 PMAQI
12th Jul 20253611 PMAQI
13th Jul 20253512 AMAQI
13th Jul 2025351 AMAQI
13th Jul 2025352 AMAQI
13th Jul 2025343 AMAQI
13th Jul 2025324 AMAQI
13th Jul 2025345 AMAQI
15°C12/19°C
13th Jul 2025346 AMAQI
13th Jul 2025327 AMAQI
13th Jul 2025268 AMAQI
13th Jul 2025249 AMAQI
13th Jul 20252810 AMAQI
13th Jul 20252611 AMAQI
13th Jul 20252412 PMAQI
13th Jul 2025241 PMAQI
13th Jul 2025252 PMAQI
13th Jul 2025303 PMAQI
13th Jul 2025304 PMAQI
13th Jul 2025305 PMAQI
13th Jul 2025296 PMAQI
13th Jul 2025307 PMAQI
13th Jul 2025308 PMAQI
13th Jul 2025309 PMAQI
13th Jul 20252810 PMAQI
13th Jul 20253011 PMAQI
14th Jul 20253012 AMAQI
14th Jul 2025301 AMAQI
14th Jul 2025302 AMAQI
14th Jul 2025283 AMAQI
14th Jul 2025214 AMAQI
14th Jul 2025165 AMAQI
15°C12/19°C
14th Jul 2025156 AMAQI
14th Jul 2025217 AMAQI
14th Jul 2025188 AMAQI
14th Jul 2025189 AMAQI
14th Jul 20252210 AMAQI
14th Jul 20252411 AMAQI
14th Jul 20252712 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025232 PMAQI
14th Jul 2025233 PMAQI
14th Jul 2025244 PMAQI
14th Jul 2025245 PMAQI
14th Jul 2025246 PMAQI
14th Jul 2025247 PMAQI
14th Jul 2025258 PMAQI
14th Jul 2025259 PMAQI
14th Jul 20252210 PMAQI
14th Jul 20252411 PMAQI
15th Jul 20252412 AMAQI
15th Jul 2025241 AMAQI
15th Jul 2025232 AMAQI
15th Jul 2025233 AMAQI
15th Jul 2025194 AMAQI
15th Jul 2025145 AMAQI
15°C12/20°C
15th Jul 2025166 AMAQI
15th Jul 2025147 AMAQI
15th Jul 2025158 AMAQI
15th Jul 2025149 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20252011 AMAQI
15th Jul 20252112 PMAQI
15th Jul 2025201 PMAQI
15th Jul 2025192 PMAQI
15th Jul 2025193 PMAQI
15th Jul 2025194 PMAQI
15th Jul 2025205 PMAQI
15th Jul 2025196 PMAQI
15th Jul 2025207 PMAQI
15th Jul 2025228 PMAQI
15th Jul 2025229 PMAQI
15th Jul 20252210 PMAQI
15th Jul 20252211 PMAQI
16th Jul 20252312 AMAQI
16th Jul 2025231 AMAQI
16th Jul 2025232 AMAQI
16th Jul 2025223 AMAQI
16th Jul 2025244 AMAQI
16th Jul 2025265 AMAQI
14°C12/17°C
16th Jul 2025206 AMAQI
16th Jul 2025197 AMAQI
16th Jul 2025218 AMAQI
16th Jul 2025189 AMAQI
16th Jul 20252010 AMAQI
16th Jul 20252311 AMAQI
16th Jul 20252012 PMAQI
16th Jul 2025181 PMAQI
16th Jul 2025192 PMAQI
16th Jul 2025223 PMAQI
16th Jul 2025224 PMAQI
16th Jul 2025225 PMAQI
16th Jul 2025226 PMAQI
16th Jul 2025227 PMAQI
16th Jul 2025228 PMAQI
16th Jul 2025229 PMAQI
16th Jul 20252110 PMAQI
16th Jul 20252211 PMAQI
17th Jul 20252112 AMAQI
17th Jul 2025211 AMAQI
17th Jul 2025222 AMAQI
17th Jul 2025223 AMAQI
17th Jul 2025184 AMAQI
17th Jul 2025175 AMAQI
14°C13/16°C
17th Jul 2025156 AMAQI
17th Jul 2025177 AMAQI
17th Jul 2025178 AMAQI
17th Jul 2025189 AMAQI
17th Jul 20252010 AMAQI
17th Jul 20251811 AMAQI
17th Jul 20251812 PMAQI
17th Jul 2025181 PMAQI
17th Jul 2025202 PMAQI
17th Jul 2025203 PMAQI
17th Jul 2025184 PMAQI
17th Jul 2025195 PMAQI
17th Jul 2025196 PMAQI
17th Jul 2025197 PMAQI
17th Jul 2025198 PMAQI
17th Jul 2025209 PMAQI
17th Jul 20251910 PMAQI
17th Jul 20252111 PMAQI
18th Jul 20252112 AMAQI
18th Jul 2025191 AMAQI
18th Jul 2025202 AMAQI
18th Jul 2025183 AMAQI
18th Jul 2025174 AMAQI
18th Jul 2025205 AMAQI
15°C13/19°C
18th Jul 2025186 AMAQI
18th Jul 2025217 AMAQI
18th Jul 2025198 AMAQI
18th Jul 2025189 AMAQI
18th Jul 20252210 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20252012 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025212 PMAQI
18th Jul 2025213 PMAQI
18th Jul 2025204 PMAQI
18th Jul 2025195 PMAQI
18th Jul 2025186 PMAQI
18th Jul 2025197 PMAQI
18th Jul 2025208 PMAQI
18th Jul 2025209 PMAQI
18th Jul 20252010 PMAQI
18th Jul 20252211 PMAQI
19th Jul 20252212 AMAQI
19th Jul 2025221 AMAQI
19th Jul 2025212 AMAQI
19th Jul 2025213 AMAQI
19th Jul 2025214 AMAQI
19th Jul 2025225 AMAQI
16°C14/20°C
19th Jul 2025226 AMAQI
19th Jul 2025217 AMAQI
19th Jul 2025258 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20252410 AMAQI
19th Jul 20251911 AMAQI
19th Jul 20251912 PMAQI
19th Jul 2025211 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025215 PMAQI
19th Jul 2025216 PMAQI
19th Jul 2025227 PMAQI
19th Jul 2025228 PMAQI
19th Jul 2025229 PMAQI
19th Jul 20252210 PMAQI
19th Jul 20252311 PMAQI
20th Jul 20252312 AMAQI
20th Jul 2025221 AMAQI
20th Jul 2025222 AMAQI
20th Jul 2025233 AMAQI
20th Jul 2025224 AMAQI
20th Jul 2025205 AMAQI
15°C13/18°C
20th Jul 2025216 AMAQI
20th Jul 2025187 AMAQI
20th Jul 2025168 AMAQI
20th Jul 2025149 AMAQI
20th Jul 20251610 AMAQI
20th Jul 20251611 AMAQI
20th Jul 20251712 PMAQI
20th Jul 2025241 PMAQI
20th Jul 2025242 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025236 PMAQI
20th Jul 2025237 PMAQI
20th Jul 2025238 PMAQI
20th Jul 2025269 PMAQI
20th Jul 20252410 PMAQI
20th Jul 20252411 PMAQI
21st Jul 20252412 AMAQI
21st Jul 2025231 AMAQI
21st Jul 2025232 AMAQI
21st Jul 2025223 AMAQI
21st Jul 2025244 AMAQI
21st Jul 2025405 AMAQI
14°C12/17°C
21st Jul 2025326 AMAQI
21st Jul 2025297 AMAQI
21st Jul 2025358 AMAQI
21st Jul 2025309 AMAQI
21st Jul 20252410 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252112 PMAQI
21st Jul 2025181 PMAQI
21st Jul 2025182 PMAQI
21st Jul 2025233 PMAQI
21st Jul 2025234 PMAQI
21st Jul 2025245 PMAQI
21st Jul 2025236 PMAQI
21st Jul 2025247 PMAQI
21st Jul 2025248 PMAQI
21st Jul 2025229 PMAQI
21st Jul 20252210 PMAQI
21st Jul 20252211 PMAQI
22nd Jul 20252212 AMAQI
22nd Jul 2025221 AMAQI
22nd Jul 2025222 AMAQI
22nd Jul 2025223 AMAQI
22nd Jul 2025204 AMAQI
22nd Jul 2025185 AMAQI
15°C13/17°C
22nd Jul 2025146 AMAQI
22nd Jul 2025167 AMAQI
22nd Jul 2025188 AMAQI
22nd Jul 2025209 AMAQI
22nd Jul 20251810 AMAQI
22nd Jul 20251611 AMAQI
22nd Jul 20251612 PMAQI
22nd Jul 2025141 PMAQI
22nd Jul 2025142 PMAQI
22nd Jul 2025153 PMAQI
22nd Jul 2025164 PMAQI
22nd Jul 2025185 PMAQI
22nd Jul 2025166 PMAQI
22nd Jul 2025187 PMAQI
22nd Jul 2025188 PMAQI
22nd Jul 2025189 PMAQI
22nd Jul 20251810 PMAQI
22nd Jul 20251811 PMAQI
23rd Jul 20251912 AMAQI
23rd Jul 2025191 AMAQI
23rd Jul 2025182 AMAQI
23rd Jul 2025183 AMAQI
23rd Jul 2025164 AMAQI
23rd Jul 2025155 AMAQI
15°C14/18°C
23rd Jul 2025136 AMAQI
23rd Jul 2025147 AMAQI
23rd Jul 2025148 AMAQI
23rd Jul 2025179 AMAQI
23rd Jul 20251610 AMAQI
23rd Jul 20251611 AMAQI
23rd Jul 20251612 PMAQI
23rd Jul 2025191 PMAQI
23rd Jul 2025202 PMAQI
23rd Jul 2025173 PMAQI
23rd Jul 2025174 PMAQI
23rd Jul 2025175 PMAQI
23rd Jul 2025176 PMAQI
23rd Jul 2025187 PMAQI
23rd Jul 2025188 PMAQI
23rd Jul 2025189 PMAQI
23rd Jul 20251810 PMAQI
23rd Jul 20251711 PMAQI
24th Jul 20251712 AMAQI
24th Jul 2025161 AMAQI
24th Jul 2025172 AMAQI
24th Jul 2025163 AMAQI
24th Jul 2025164 AMAQI
24th Jul 2025155 AMAQI
15°C13/18°C
24th Jul 2025126 AMAQI
24th Jul 2025167 AMAQI
24th Jul 2025158 AMAQI
24th Jul 2025169 AMAQI
24th Jul 20251710 AMAQI
24th Jul 20251711 AMAQI
24th Jul 20251812 PMAQI
24th Jul 2025221 PMAQI
24th Jul 2025202 PMAQI
24th Jul 2025163 PMAQI
24th Jul 2025164 PMAQI
24th Jul 2025185 PMAQI
24th Jul 2025166 PMAQI
24th Jul 2025167 PMAQI
24th Jul 2025178 PMAQI
24th Jul 2025169 PMAQI
24th Jul 20251810 PMAQI
24th Jul 20251711 PMAQI
25th Jul 20251612 AMAQI
25th Jul 2025171 AMAQI
25th Jul 2025162 AMAQI
25th Jul 2025163 AMAQI
25th Jul 2025164 AMAQI
25th Jul 2025155 AMAQI
16°C14/20°C
25th Jul 2025126 AMAQI
25th Jul 2025147 AMAQI
25th Jul 2025178 AMAQI
25th Jul 2025159 AMAQI
25th Jul 20251510 AMAQI
25th Jul 20251511 AMAQI
25th Jul 20251612 PMAQI
25th Jul 2025161 PMAQI
25th Jul 2025192 PMAQI
25th Jul 2025163 PMAQI
25th Jul 2025164 PMAQI
25th Jul 2025155 PMAQI
25th Jul 2025166 PMAQI
25th Jul 2025167 PMAQI
25th Jul 2025168 PMAQI
25th Jul 2025169 PMAQI
25th Jul 20251710 PMAQI
25th Jul 20251611 PMAQI
26th Jul 20251712 AMAQI
26th Jul 2025161 AMAQI
26th Jul 2025172 AMAQI
26th Jul 2025163 AMAQI
26th Jul 2025164 AMAQI
26th Jul 2025145 AMAQI
15°C13/17°C
26th Jul 2025136 AMAQI
26th Jul 2025157 AMAQI
26th Jul 2025168 AMAQI
26th Jul 2025189 AMAQI
26th Jul 20251810 AMAQI
26th Jul 20251811 AMAQI
26th Jul 20251612 PMAQI
26th Jul 2025161 PMAQI
26th Jul 2025152 PMAQI
26th Jul 2025163 PMAQI
26th Jul 2025154 PMAQI
26th Jul 2025165 PMAQI
26th Jul 2025166 PMAQI
26th Jul 2025177 PMAQI
26th Jul 2025178 PMAQI
26th Jul 2025169 PMAQI
26th Jul 20251610 PMAQI
26th Jul 20251811 PMAQI
27th Jul 20251712 AMAQI
27th Jul 2025161 AMAQI
27th Jul 2025162 AMAQI
27th Jul 2025163 AMAQI
27th Jul 2025144 AMAQI
27th Jul 2025145 AMAQI
15°C14/17°C
27th Jul 2025146 AMAQI
27th Jul 2025167 AMAQI
27th Jul 2025158 AMAQI
27th Jul 2025149 AMAQI
27th Jul 20251610 AMAQI
27th Jul 20251611 AMAQI
27th Jul 20251712 PMAQI
27th Jul 2025201 PMAQI
27th Jul 2025172 PMAQI
27th Jul 2025173 PMAQI
27th Jul 2025164 PMAQI
27th Jul 2025165 PMAQI
27th Jul 2025166 PMAQI
27th Jul 2025167 PMAQI
27th Jul 2025178 PMAQI
27th Jul 2025189 PMAQI
27th Jul 20251810 PMAQI
27th Jul 20251811 PMAQI
28th Jul 20251812 AMAQI
28th Jul 2025181 AMAQI
28th Jul 2025172 AMAQI
28th Jul 2025173 AMAQI
28th Jul 2025204 AMAQI
28th Jul 2025215 AMAQI
15°C14/18°C
28th Jul 2025236 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025228 AMAQI
28th Jul 2025189 AMAQI
28th Jul 20252010 AMAQI
28th Jul 20252311 AMAQI
28th Jul 20252412 PMAQI
28th Jul 2025221 PMAQI
28th Jul 2025262 PMAQI
28th Jul 2025213 PMAQI
28th Jul 2025214 PMAQI
28th Jul 2025215 PMAQI
28th Jul 2025206 PMAQI
28th Jul 2025217 PMAQI
28th Jul 2025218 PMAQI
28th Jul 2025219 PMAQI
28th Jul 20252210 PMAQI
28th Jul 20252211 PMAQI
29th Jul 20252212 AMAQI
29th Jul 2025221 AMAQI
29th Jul 2025212 AMAQI
29th Jul 2025213 AMAQI
29th Jul 2025224 AMAQI
29th Jul 2025265 AMAQI
16°C13/20°C
29th Jul 2025266 AMAQI
29th Jul 2025297 AMAQI
29th Jul 2025268 AMAQI
29th Jul 2025259 AMAQI
29th Jul 20252710 AMAQI
29th Jul 20252711 AMAQI
29th Jul 20252612 PMAQI
29th Jul 2025381 PMAQI
29th Jul 2025242 PMAQI
29th Jul 2025253 PMAQI
29th Jul 2025274 PMAQI
29th Jul 2025265 PMAQI
29th Jul 2025266 PMAQI
29th Jul 2025287 PMAQI
29th Jul 2025278 PMAQI
29th Jul 2025269 PMAQI
29th Jul 20252510 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252812 AMAQI
30th Jul 2025261 AMAQI
30th Jul 2025262 AMAQI
30th Jul 2025263 AMAQI
30th Jul 2025284 AMAQI
30th Jul 2025305 AMAQI
15°C13/18°C
30th Jul 2025266 AMAQI
30th Jul 2025237 AMAQI
30th Jul 2025228 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20253010 AMAQI
30th Jul 20252711 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025332 PMAQI
30th Jul 2025333 PMAQI
30th Jul 2025334 PMAQI
30th Jul 2025335 PMAQI
30th Jul 2025336 PMAQI
30th Jul 2025337 PMAQI
30th Jul 2025338 PMAQI
30th Jul 2025289 PMAQI
30th Jul 20252710 PMAQI
30th Jul 20252811 PMAQI
31st Jul 20252812 AMAQI
31st Jul 2025261 AMAQI
31st Jul 2025262 AMAQI
31st Jul 2025253 AMAQI
31st Jul 2025214 AMAQI
31st Jul 2025185 AMAQI
15°C13/17°C
31st Jul 2025196 AMAQI
31st Jul 2025197 AMAQI
31st Jul 2025198 AMAQI
31st Jul 2025189 AMAQI
31st Jul 20251810 AMAQI
31st Jul 20251711 AMAQI
31st Jul 20251912 PMAQI
31st Jul 2025181 PMAQI
31st Jul 2025242 PMAQI
31st Jul 2025263 PMAQI
31st Jul 2025284 PMAQI
31st Jul 2025295 PMAQI
31st Jul 2025286 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025278 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20252910 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025221 AMAQI
1st Aug 2025202 AMAQI
1st Aug 2025213 AMAQI
1st Aug 2025214 AMAQI
1st Aug 2025185 AMAQI
16°C14/21°C
1st Aug 2025176 AMAQI
1st Aug 2025187 AMAQI
1st Aug 2025188 AMAQI
1st Aug 2025199 AMAQI
1st Aug 20251810 AMAQI
1st Aug 20252011 AMAQI
1st Aug 20252012 PMAQI
1st Aug 2025201 PMAQI
1st Aug 2025202 PMAQI
1st Aug 2025223 PMAQI
1st Aug 2025244 PMAQI
1st Aug 2025255 PMAQI
1st Aug 2025266 PMAQI
1st Aug 2025207 PMAQI
1st Aug 2025228 PMAQI
1st Aug 2025249 PMAQI
1st Aug 20252710 PMAQI
1st Aug 20253011 PMAQI
2nd Aug 20253112 AMAQI
2nd Aug 2025311 AMAQI
2nd Aug 2025312 AMAQI
2nd Aug 2025303 AMAQI
2nd Aug 2025264 AMAQI
2nd Aug 2025245 AMAQI
15°C13/19°C
2nd Aug 2025226 AMAQI
2nd Aug 2025237 AMAQI
2nd Aug 2025198 AMAQI
2nd Aug 2025179 AMAQI
2nd Aug 20251710 AMAQI
2nd Aug 20251811 AMAQI
2nd Aug 20251812 PMAQI
2nd Aug 2025161 PMAQI
2nd Aug 2025142 PMAQI
2nd Aug 2025203 PMAQI
2nd Aug 2025224 PMAQI
2nd Aug 2025225 PMAQI
2nd Aug 2025206 PMAQI
2nd Aug 2025227 PMAQI
2nd Aug 2025188 PMAQI
2nd Aug 2025189 PMAQI
2nd Aug 20251910 PMAQI
2nd Aug 20252311 PMAQI
3rd Aug 20252512 AMAQI
3rd Aug 2025281 AMAQI
3rd Aug 2025282 AMAQI
3rd Aug 2025283 AMAQI
3rd Aug 2025274 AMAQI
3rd Aug 2025235 AMAQI
15°C13/20°C
3rd Aug 2025226 AMAQI
3rd Aug 2025277 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025389 AMAQI
3rd Aug 20254410 AMAQI
3rd Aug 20254411 AMAQI
3rd Aug 20254612 PMAQI
3rd Aug 2025471 PMAQI
3rd Aug 2025482 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025544 PMAQI
3rd Aug 2025485 PMAQI
3rd Aug 2025516 PMAQI
3rd Aug 2025397 PMAQI
3rd Aug 2025438 PMAQI
3rd Aug 2025509 PMAQI
3rd Aug 20255410 PMAQI
3rd Aug 20255311 PMAQI
4th Aug 20254612 AMAQI
4th Aug 2025441 AMAQI
4th Aug 2025402 AMAQI
4th Aug 2025433 AMAQI
4th Aug 2025514 AMAQI
4th Aug 2025455 AMAQI
15°C13/21°C
4th Aug 2025436 AMAQI
4th Aug 2025377 AMAQI
4th Aug 2025378 AMAQI
4th Aug 2025389 AMAQI
4th Aug 20254110 AMAQI
4th Aug 20254211 AMAQI
4th Aug 20254212 PMAQI
4th Aug 2025381 PMAQI
4th Aug 2025402 PMAQI
4th Aug 2025443 PMAQI
4th Aug 2025404 PMAQI
4th Aug 2025345 PMAQI
4th Aug 2025386 PMAQI
4th Aug 2025427 PMAQI
4th Aug 2025418 PMAQI
4th Aug 2025379 PMAQI
4th Aug 20253610 PMAQI
4th Aug 20253011 PMAQI
5th Aug 20253212 AMAQI
5th Aug 2025321 AMAQI
5th Aug 2025282 AMAQI
5th Aug 2025333 AMAQI
5th Aug 2025294 AMAQI
5th Aug 2025285 AMAQI
16°C12/22°C
5th Aug 2025276 AMAQI
6 AM5th Aug 2025237 AMAQI
5th Aug 2025268 AMAQI
5th Aug 2025349 AMAQI
5th Aug 20254010 AMAQI
5th Aug 20254011 AMAQI
5th Aug 20254712 PMAQI
1 PM
8 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 8 PM
24AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
6 AM - 8 PM
24AQI
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. 24), while the lowest AQI was between 6 AM to 8 PM (Avg. 24).
Night time
Avg. Highest Time
12 AM - 11 PM
25AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
25AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 25), while the lowest AQI was between 12 AM to 11 PM (Avg. 25).
2025 Days Vs Air Quality
Berkeley, California, United States
2025
89%
193
11%
23
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
193 DaysModerate
23 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 217 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Berkeley, 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
58AQI
58AQI
2nd January 2025
49AQI
49AQI
3rd January 2025
50AQI
50AQI
4th January 2025
43AQI
43AQI
5th January 2025
47AQI
47AQI
6th January 2025
56AQI
56AQI
7th January 2025
29AQI
29AQI
8th January 2025
32AQI
32AQI
9th January 2025
48AQI
48AQI
10th January 2025
49AQI
49AQI
11th January 2025
32AQI
32AQI
12th January 2025
30AQI
30AQI
13th January 2025
37AQI
37AQI
14th January 2025
44AQI
44AQI
15th January 2025
58AQI
58AQI
16th January 2025
65AQI
65AQI
17th January 2025
50AQI
50AQI
18th January 2025
51AQI
51AQI
19th January 2025
58AQI
58AQI
20th January 2025
43AQI
43AQI
21st January 2025
49AQI
49AQI
22nd January 2025
54AQI
54AQI
23rd January 2025
51AQI
51AQI
24th January 2025
59AQI
59AQI
25th January 2025
54AQI
54AQI
26th January 2025
56AQI
56AQI
27th January 2025
50AQI
50AQI
28th January 2025
50AQI
50AQI
29th January 2025
49AQI
49AQI
30th January 2025
48AQI
48AQI
31st January 2025
47AQI
47AQI
1st February 2025
39AQI
39AQI
2nd February 2025
30AQI
30AQI
3rd February 2025
33AQI
33AQI
4th February 2025
25AQI
25AQI
5th February 2025
30AQI
30AQI
6th February 2025
28AQI
28AQI
7th February 2025
27AQI
27AQI
8th February 2025
28AQI
28AQI
9th February 2025
31AQI
31AQI
10th February 2025
33AQI
33AQI
11th February 2025
34AQI
34AQI
12th February 2025
28AQI
28AQI
13th February 2025
28AQI
28AQI
14th February 2025
36AQI
36AQI
15th February 2025
37AQI
37AQI
16th February 2025
41AQI
41AQI
17th February 2025
26AQI
26AQI
18th February 2025
33AQI
33AQI
19th February 2025
34AQI
34AQI
20th February 2025
31AQI
31AQI
21st February 2025
36AQI
36AQI
22nd February 2025
42AQI
42AQI
23rd February 2025
38AQI
38AQI
24th February 2025
31AQI
31AQI
25th February 2025
31AQI
31AQI
26th February 2025
45AQI
45AQI
27th February 2025
43AQI
43AQI
28th February 2025
56AQI
56AQI
1st March 2025
37AQI
37AQI
2nd March 2025
30AQI
30AQI
3rd March 2025
26AQI
26AQI
4th March 2025
31AQI
31AQI
5th March 2025
34AQI
34AQI
6th March 2025
29AQI
29AQI
7th March 2025
41AQI
41AQI
8th March 2025
40AQI
40AQI
9th March 2025
44AQI
44AQI
10th March 2025
37AQI
37AQI
11th March 2025
37AQI
37AQI
12th March 2025
31AQI
31AQI
13th March 2025
24AQI
24AQI
14th March 2025
28AQI
28AQI
15th March 2025
58AQI
58AQI
16th March 2025
41AQI
41AQI
17th March 2025
23AQI
23AQI
18th March 2025
24AQI
24AQI
19th March 2025
29AQI
29AQI
20th March 2025
21AQI
21AQI
21st March 2025
33AQI
33AQI
22nd March 2025
28AQI
28AQI
23rd March 2025
36AQI
36AQI
24th March 2025
27AQI
27AQI
25th March 2025
42AQI
42AQI
26th March 2025
30AQI
30AQI
27th March 2025
26AQI
26AQI
28th March 2025
34AQI
34AQI
29th March 2025
25AQI
25AQI
30th March 2025
26AQI
26AQI
31st March 2025
33AQI
33AQI
1st April 2025
30AQI
30AQI
2nd April 2025
24AQI
24AQI
3rd April 2025
33AQI
33AQI
4th April 2025
32AQI
32AQI
5th April 2025
37AQI
37AQI
6th April 2025
28AQI
28AQI
7th April 2025
20AQI
20AQI
8th April 2025
24AQI
24AQI
9th April 2025
31AQI
31AQI
10th April 2025
28AQI
28AQI
11th April 2025
28AQI
28AQI
12th April 2025
44AQI
44AQI
13th April 2025
49AQI
49AQI
14th April 2025
42AQI
42AQI
15th April 2025
40AQI
40AQI
16th April 2025
40AQI
40AQI
17th April 2025
27AQI
27AQI
18th April 2025
38AQI
38AQI
19th April 2025
40AQI
40AQI
20th April 2025
38AQI
38AQI
21st April 2025
43AQI
43AQI
22nd April 2025
42AQI
42AQI
23rd April 2025
51AQI
51AQI
24th April 2025
49AQI
49AQI
25th April 2025
43AQI
43AQI
26th April 2025
40AQI
40AQI
27th April 2025
44AQI
44AQI
28th April 2025
45AQI
45AQI
29th April 2025
48AQI
48AQI
30th April 2025
52AQI
52AQI
1st May 2025
46AQI
46AQI
2nd May 2025
36AQI
36AQI
3rd May 2025
30AQI
30AQI
4th May 2025
44AQI
44AQI
5th May 2025
38AQI
38AQI
6th May 2025
52AQI
52AQI
7th May 2025
49AQI
49AQI
8th May 2025
35AQI
35AQI
9th May 2025
46AQI
46AQI
10th May 2025
43AQI
43AQI
11th May 2025
34AQI
34AQI
12th May 2025
28AQI
28AQI
13th May 2025
29AQI
29AQI
14th May 2025
44AQI
44AQI
15th May 2025
45AQI
45AQI
16th May 2025
31AQI
31AQI
17th May 2025
23AQI
23AQI
18th May 2025
24AQI
24AQI
19th May 2025
33AQI
33AQI
20th May 2025
34AQI
34AQI
21st May 2025
46AQI
46AQI
22nd May 2025
38AQI
38AQI
23rd May 2025
33AQI
33AQI
24th May 2025
41AQI
41AQI
25th May 2025
31AQI
31AQI
26th May 2025
22AQI
22AQI
27th May 2025
40AQI
40AQI
28th May 2025
32AQI
32AQI
29th May 2025
29AQI
29AQI
30th May 2025
41AQI
41AQI
31st May 2025
53AQI
53AQI
1st June 2025
55AQI
55AQI
2nd June 2025
47AQI
47AQI
3rd June 2025
40AQI
40AQI
4th June 2025
53AQI
53AQI
5th June 2025
39AQI
39AQI
6th June 2025
28AQI
28AQI
7th June 2025
31AQI
31AQI
8th June 2025
21AQI
21AQI
9th June 2025
21AQI
21AQI
10th June 2025
25AQI
25AQI
11th June 2025
44AQI
44AQI
12th June 2025
51AQI
51AQI
13th June 2025
49AQI
49AQI
14th June 2025
50AQI
50AQI
15th June 2025
52AQI
52AQI
16th June 2025
49AQI
49AQI
17th June 2025
44AQI
44AQI
18th June 2025
41AQI
41AQI
19th June 2025
50AQI
50AQI
20th June 2025
51AQI
51AQI
21st June 2025
49AQI
49AQI
22nd June 2025
50AQI
50AQI
23rd June 2025
53AQI
53AQI
24th June 2025
36AQI
36AQI
25th June 2025
29AQI
29AQI
26th June 2025
32AQI
32AQI
27th June 2025
38AQI
38AQI
28th June 2025
38AQI
38AQI
29th June 2025
34AQI
34AQI
30th June 2025
27AQI
27AQI
1st July 2025
25AQI
25AQI
2nd July 2025
24AQI
24AQI
3rd July 2025
38AQI
38AQI
4th July 2025
36AQI
36AQI
5th July 2025
39AQI
39AQI
6th July 2025
34AQI
34AQI
7th July 2025
29AQI
29AQI
8th July 2025
24AQI
24AQI
9th July 2025
21AQI
21AQI
10th July 2025
25AQI
25AQI
11th July 2025
32AQI
32AQI
12th July 2025
34AQI
34AQI
13th July 2025
30AQI
30AQI
14th July 2025
24AQI
24AQI
15th July 2025
20AQI
20AQI
16th July 2025
22AQI
22AQI
17th July 2025
19AQI
19AQI
18th July 2025
20AQI
20AQI
19th July 2025
22AQI
22AQI
20th July 2025
22AQI
22AQI
21st July 2025
25AQI
25AQI
22nd July 2025
18AQI
18AQI
23rd July 2025
17AQI
17AQI
24th July 2025
17AQI
17AQI
25th July 2025
16AQI
16AQI
26th July 2025
16AQI
16AQI
27th July 2025
16AQI
16AQI
28th July 2025
21AQI
21AQI
29th July 2025
26AQI
26AQI
30th July 2025
29AQI
29AQI
31st July 2025
24AQI
24AQI
1st August 2025
22AQI
22AQI
2nd August 2025
22AQI
22AQI
3rd August 2025
39AQI
39AQI
4th August 2025
42AQI
42AQI
48AQI
34AQI
32AQI
38AQI
37AQI
41AQI
25AQI
31AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
20
11
27
1
30
1
28
2
29
2
24
6
31
4
193
23
Highest AQI recorded in
January48AQI
Lowest AQI recorded in
July25AQI
202438AQI
15
11
2
16
4
24
7
20
9
30
1
29
2
27
2
25
6
26
4
14
16
1
239
51
1
Highest AQI recorded in
December55AQI
Lowest AQI recorded in
March11AQI
202332AQI
12
4
9
3
10
1
7
5
4
2
2
3
2
21
9
75
19
Highest AQI recorded in
November43AQI
Lowest AQI recorded in
September17AQI
202220AQI
10
14
24
Highest AQI recorded in
November21AQI
Lowest AQI recorded in
December19AQI
202142AQI
22
8
28
28
1
15
15
16
15
22
8
23
8
20
11
21
9
1
196
75
Highest AQI recorded in
May51AQI
Lowest AQI recorded in
February34AQI
202044AQI
13
20
15
3
23
7
27
4
18
13
14
11
5
19
10
2
24
6
20
11
193
65
2
5
Highest AQI recorded in
September72AQI
Lowest AQI recorded in
March27AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
44AQILeast Polluted Year Recorded
2022(Avg.)
20AQIBerkeley's annual 2025 AQI (36) shows an average percentage change of 12.6% (worsened AQI) compared to previous years: 2020 (44), 2021 (42), 2022 (20), 2023 (32), 2024 (38).
