Alameda, 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
Alameda, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
76AQILowest AQI recorded on
17th Aug 2024
9AQISame Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 31 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: 10th Aug - 11th Aug 2025
Alameda, California, United States
AQI
Day
Night
.
6 AM10th Aug 2025
8 PM
5 AM11th Aug 2025
Day time
Avg. Highest Time
7AM10th Aug
33AQI
Avg. Lowest Time
2PM10th Aug
28AQI
Night time
Avg. Highest Time
9PM10th Aug
31AQI
Avg. Lowest Time
5AM11th Aug
20AQI
In the last 24 hours,
Alameda's AQI reached its highest point of 33 at 7 AM during the Day, while the lowest point, 20, was recorded at 5 AM during the Night between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Alameda, 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 2025446 AMAQI
12th Jul 2025407 AMAQI
12th Jul 2025308 AMAQI
12th Jul 2025359 AMAQI
12th Jul 20253410 AMAQI
12th Jul 20252911 AMAQI
12th Jul 20252712 PMAQI
12th Jul 2025301 PMAQI
12th Jul 2025322 PMAQI
12th Jul 2025363 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025365 PMAQI
12th Jul 2025376 PMAQI
12th Jul 2025367 PMAQI
12th Jul 2025388 PMAQI
12th Jul 2025369 PMAQI
12th Jul 20253610 PMAQI
12th Jul 20253711 PMAQI
13th Jul 20253612 AMAQI
13th Jul 2025351 AMAQI
13th Jul 2025352 AMAQI
13th Jul 2025343 AMAQI
13th Jul 2025324 AMAQI
13th Jul 2025325 AMAQI
15°C13/18°C
13th Jul 2025326 AMAQI
13th Jul 2025307 AMAQI
13th Jul 2025248 AMAQI
13th Jul 2025239 AMAQI
13th Jul 20252310 AMAQI
13th Jul 20252611 AMAQI
13th Jul 20252612 PMAQI
13th Jul 2025251 PMAQI
13th Jul 2025262 PMAQI
13th Jul 2025313 PMAQI
13th Jul 2025324 PMAQI
13th Jul 2025295 PMAQI
13th Jul 2025296 PMAQI
13th Jul 2025287 PMAQI
13th Jul 2025308 PMAQI
13th Jul 2025269 PMAQI
13th Jul 20252810 PMAQI
13th Jul 20252911 PMAQI
14th Jul 20252912 AMAQI
14th Jul 2025291 AMAQI
14th Jul 2025292 AMAQI
14th Jul 2025253 AMAQI
14th Jul 2025174 AMAQI
14th Jul 2025165 AMAQI
15°C13/18°C
14th Jul 2025156 AMAQI
14th Jul 2025177 AMAQI
14th Jul 2025188 AMAQI
14th Jul 2025199 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20252011 AMAQI
14th Jul 20252612 PMAQI
14th Jul 2025281 PMAQI
14th Jul 2025292 PMAQI
14th Jul 2025263 PMAQI
14th Jul 2025264 PMAQI
14th Jul 2025245 PMAQI
14th Jul 2025226 PMAQI
14th Jul 2025227 PMAQI
14th Jul 2025238 PMAQI
14th Jul 2025229 PMAQI
14th Jul 20252210 PMAQI
14th Jul 20252211 PMAQI
15th Jul 20252312 AMAQI
15th Jul 2025221 AMAQI
15th Jul 2025222 AMAQI
15th Jul 2025203 AMAQI
15th Jul 2025184 AMAQI
15th Jul 2025145 AMAQI
15°C12/18°C
15th Jul 2025146 AMAQI
15th Jul 2025147 AMAQI
15th Jul 2025178 AMAQI
15th Jul 2025209 AMAQI
15th Jul 20251810 AMAQI
15th Jul 20252011 AMAQI
15th Jul 20252412 PMAQI
15th Jul 2025251 PMAQI
15th Jul 2025242 PMAQI
15th Jul 2025213 PMAQI
15th Jul 2025194 PMAQI
15th Jul 2025205 PMAQI
15th Jul 2025196 PMAQI
15th Jul 2025217 PMAQI
15th Jul 2025208 PMAQI
15th Jul 2025229 PMAQI
15th Jul 20252310 PMAQI
15th Jul 20252611 PMAQI
16th Jul 20252612 AMAQI
16th Jul 2025261 AMAQI
16th Jul 2025252 AMAQI
16th Jul 2025253 AMAQI
16th Jul 2025254 AMAQI
16th Jul 2025245 AMAQI
14°C12/17°C
16th Jul 2025216 AMAQI
16th Jul 2025197 AMAQI
16th Jul 2025188 AMAQI
16th Jul 2025169 AMAQI
16th Jul 20251910 AMAQI
16th Jul 20252211 AMAQI
16th Jul 20252112 PMAQI
16th Jul 2025191 PMAQI
16th Jul 2025212 PMAQI
16th Jul 2025243 PMAQI
16th Jul 2025234 PMAQI
16th Jul 2025245 PMAQI
16th Jul 2025236 PMAQI
16th Jul 2025227 PMAQI
16th Jul 2025228 PMAQI
16th Jul 2025229 PMAQI
16th Jul 20252110 PMAQI
16th Jul 20252111 PMAQI
17th Jul 20252012 AMAQI
17th Jul 2025201 AMAQI
17th Jul 2025202 AMAQI
17th Jul 2025203 AMAQI
17th Jul 2025174 AMAQI
17th Jul 2025165 AMAQI
15°C14/17°C
17th Jul 2025156 AMAQI
17th Jul 2025167 AMAQI
17th Jul 2025188 AMAQI
17th Jul 2025189 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20252111 AMAQI
17th Jul 20252012 PMAQI
17th Jul 2025181 PMAQI
17th Jul 2025192 PMAQI
17th Jul 2025183 PMAQI
17th Jul 2025184 PMAQI
17th Jul 2025185 PMAQI
17th Jul 2025196 PMAQI
17th Jul 2025207 PMAQI
17th Jul 2025198 PMAQI
17th Jul 2025199 PMAQI
17th Jul 20251610 PMAQI
17th Jul 20252011 PMAQI
18th Jul 20252012 AMAQI
18th Jul 2025171 AMAQI
18th Jul 2025162 AMAQI
18th Jul 2025163 AMAQI
18th Jul 2025154 AMAQI
18th Jul 2025195 AMAQI
15°C14/18°C
18th Jul 2025186 AMAQI
18th Jul 2025177 AMAQI
18th Jul 2025188 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20252410 AMAQI
18th Jul 20252611 AMAQI
18th Jul 20252412 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025233 PMAQI
18th Jul 2025224 PMAQI
18th Jul 2025215 PMAQI
18th Jul 2025206 PMAQI
18th Jul 2025197 PMAQI
18th Jul 2025208 PMAQI
18th Jul 2025219 PMAQI
18th Jul 20252210 PMAQI
18th Jul 20252211 PMAQI
19th Jul 20252212 AMAQI
19th Jul 2025221 AMAQI
19th Jul 2025232 AMAQI
19th Jul 2025233 AMAQI
19th Jul 2025234 AMAQI
19th Jul 2025265 AMAQI
15°C14/17°C
19th Jul 2025266 AMAQI
19th Jul 2025257 AMAQI
19th Jul 2025248 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20252110 AMAQI
19th Jul 20252011 AMAQI
19th Jul 20252212 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025234 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025226 PMAQI
19th Jul 2025237 PMAQI
19th Jul 2025238 PMAQI
19th Jul 2025229 PMAQI
19th Jul 20252210 PMAQI
19th Jul 20252311 PMAQI
20th Jul 20252212 AMAQI
20th Jul 2025221 AMAQI
20th Jul 2025222 AMAQI
20th Jul 2025223 AMAQI
20th Jul 2025224 AMAQI
20th Jul 2025215 AMAQI
15°C13/17°C
20th Jul 2025216 AMAQI
20th Jul 2025187 AMAQI
20th Jul 2025168 AMAQI
20th Jul 2025149 AMAQI
20th Jul 20251510 AMAQI
20th Jul 20251411 AMAQI
20th Jul 20251512 PMAQI
20th Jul 2025181 PMAQI
20th Jul 2025212 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025247 PMAQI
20th Jul 2025248 PMAQI
20th Jul 2025289 PMAQI
20th Jul 20252810 PMAQI
20th Jul 20252811 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025291 AMAQI
21st Jul 2025272 AMAQI
21st Jul 2025303 AMAQI
21st Jul 2025344 AMAQI
21st Jul 2025265 AMAQI
14°C13/17°C
21st Jul 2025286 AMAQI
21st Jul 2025287 AMAQI
21st Jul 2025288 AMAQI
21st Jul 2025299 AMAQI
21st Jul 20252210 AMAQI
21st Jul 20251911 AMAQI
21st Jul 20252012 PMAQI
21st Jul 2025171 PMAQI
21st Jul 2025182 PMAQI
21st Jul 2025233 PMAQI
21st Jul 2025234 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025226 PMAQI
21st Jul 2025257 PMAQI
21st Jul 2025258 PMAQI
21st Jul 2025209 PMAQI
21st Jul 20252010 PMAQI
21st Jul 20252211 PMAQI
22nd Jul 20252112 AMAQI
22nd Jul 2025211 AMAQI
22nd Jul 2025212 AMAQI
22nd Jul 2025223 AMAQI
22nd Jul 2025164 AMAQI
22nd Jul 2025125 AMAQI
15°C13/17°C
22nd Jul 2025136 AMAQI
22nd Jul 2025147 AMAQI
22nd Jul 2025168 AMAQI
22nd Jul 2025189 AMAQI
22nd Jul 20251710 AMAQI
22nd Jul 20251511 AMAQI
22nd Jul 20251512 PMAQI
22nd Jul 2025141 PMAQI
22nd Jul 2025132 PMAQI
22nd Jul 2025153 PMAQI
22nd Jul 2025164 PMAQI
22nd Jul 2025205 PMAQI
22nd Jul 2025206 PMAQI
22nd Jul 2025187 PMAQI
22nd Jul 2025188 PMAQI
22nd Jul 2025189 PMAQI
22nd Jul 20251810 PMAQI
22nd Jul 20252011 PMAQI
23rd Jul 20252012 AMAQI
23rd Jul 2025191 AMAQI
23rd Jul 2025202 AMAQI
23rd Jul 2025203 AMAQI
23rd Jul 2025164 AMAQI
23rd Jul 2025125 AMAQI
15°C14/18°C
23rd Jul 2025126 AMAQI
23rd Jul 2025147 AMAQI
23rd Jul 2025148 AMAQI
23rd Jul 2025169 AMAQI
23rd Jul 20251710 AMAQI
23rd Jul 20251611 AMAQI
23rd Jul 20251612 PMAQI
23rd Jul 2025181 PMAQI
23rd Jul 2025192 PMAQI
23rd Jul 2025173 PMAQI
23rd Jul 2025164 PMAQI
23rd Jul 2025185 PMAQI
23rd Jul 2025206 PMAQI
23rd Jul 2025197 PMAQI
23rd Jul 2025198 PMAQI
23rd Jul 2025219 PMAQI
23rd Jul 20251810 PMAQI
23rd Jul 20251611 PMAQI
24th Jul 20251612 AMAQI
24th Jul 2025181 AMAQI
24th Jul 2025182 AMAQI
24th Jul 2025173 AMAQI
24th Jul 2025174 AMAQI
24th Jul 2025145 AMAQI
15°C14/18°C
24th Jul 2025156 AMAQI
24th Jul 2025167 AMAQI
24th Jul 2025168 AMAQI
24th Jul 2025179 AMAQI
24th Jul 20251810 AMAQI
24th Jul 20251811 AMAQI
24th Jul 20251812 PMAQI
24th Jul 2025221 PMAQI
24th Jul 2025182 PMAQI
24th Jul 2025163 PMAQI
24th Jul 2025164 PMAQI
24th Jul 2025165 PMAQI
24th Jul 2025166 PMAQI
24th Jul 2025187 PMAQI
24th Jul 2025188 PMAQI
24th Jul 2025169 PMAQI
24th Jul 20251810 PMAQI
24th Jul 20251711 PMAQI
25th Jul 20251612 AMAQI
25th Jul 2025161 AMAQI
25th Jul 2025162 AMAQI
25th Jul 2025163 AMAQI
25th Jul 2025144 AMAQI
25th Jul 2025135 AMAQI
16°C14/19°C
25th Jul 2025126 AMAQI
25th Jul 2025147 AMAQI
25th Jul 2025158 AMAQI
25th Jul 2025149 AMAQI
25th Jul 20251410 AMAQI
25th Jul 20251511 AMAQI
25th Jul 20251412 PMAQI
25th Jul 2025141 PMAQI
25th Jul 2025152 PMAQI
25th Jul 2025163 PMAQI
25th Jul 2025164 PMAQI
25th Jul 2025155 PMAQI
25th Jul 2025156 PMAQI
25th Jul 2025167 PMAQI
25th Jul 2025168 PMAQI
25th Jul 2025169 PMAQI
25th Jul 20251610 PMAQI
25th Jul 20251611 PMAQI
26th Jul 20251612 AMAQI
26th Jul 2025161 AMAQI
26th Jul 2025162 AMAQI
26th Jul 2025163 AMAQI
26th Jul 2025164 AMAQI
26th Jul 2025155 AMAQI
15°C14/17°C
26th Jul 2025146 AMAQI
26th Jul 2025147 AMAQI
26th Jul 2025138 AMAQI
26th Jul 2025159 AMAQI
26th Jul 20251710 AMAQI
26th Jul 20251411 AMAQI
26th Jul 20251512 PMAQI
26th Jul 2025141 PMAQI
26th Jul 2025142 PMAQI
26th Jul 2025153 PMAQI
26th Jul 2025144 PMAQI
26th Jul 2025155 PMAQI
26th Jul 2025166 PMAQI
26th Jul 2025167 PMAQI
26th Jul 2025168 PMAQI
26th Jul 2025169 PMAQI
26th Jul 20251610 PMAQI
26th Jul 20251811 PMAQI
27th Jul 20251712 AMAQI
27th Jul 2025151 AMAQI
27th Jul 2025152 AMAQI
27th Jul 2025143 AMAQI
27th Jul 2025144 AMAQI
27th Jul 2025145 AMAQI
15°C14/17°C
27th Jul 2025156 AMAQI
27th Jul 2025157 AMAQI
27th Jul 2025158 AMAQI
27th Jul 2025149 AMAQI
27th Jul 20251510 AMAQI
27th Jul 20251411 AMAQI
27th Jul 20251512 PMAQI
27th Jul 2025161 PMAQI
27th Jul 2025162 PMAQI
27th Jul 2025173 PMAQI
27th Jul 2025184 PMAQI
27th Jul 2025165 PMAQI
27th Jul 2025166 PMAQI
27th Jul 2025167 PMAQI
27th Jul 2025178 PMAQI
27th Jul 2025209 PMAQI
27th Jul 20252010 PMAQI
27th Jul 20251811 PMAQI
28th Jul 20251812 AMAQI
28th Jul 2025181 AMAQI
28th Jul 2025162 AMAQI
28th Jul 2025183 AMAQI
28th Jul 2025144 AMAQI
28th Jul 2025145 AMAQI
15°C14/17°C
28th Jul 2025176 AMAQI
28th Jul 2025187 AMAQI
28th Jul 2025188 AMAQI
28th Jul 2025179 AMAQI
28th Jul 20251810 AMAQI
28th Jul 20252111 AMAQI
28th Jul 20252212 PMAQI
28th Jul 2025221 PMAQI
28th Jul 2025232 PMAQI
28th Jul 2025203 PMAQI
28th Jul 2025194 PMAQI
28th Jul 2025195 PMAQI
28th Jul 2025206 PMAQI
28th Jul 2025217 PMAQI
28th Jul 2025218 PMAQI
28th Jul 2025249 PMAQI
28th Jul 20252310 PMAQI
28th Jul 20252411 PMAQI
29th Jul 20252312 AMAQI
29th Jul 2025221 AMAQI
29th Jul 2025202 AMAQI
29th Jul 2025203 AMAQI
29th Jul 2025194 AMAQI
29th Jul 2025205 AMAQI
16°C13/18°C
29th Jul 2025206 AMAQI
29th Jul 2025207 AMAQI
29th Jul 2025208 AMAQI
29th Jul 2025269 AMAQI
29th Jul 20253310 AMAQI
29th Jul 20252711 AMAQI
29th Jul 20252512 PMAQI
29th Jul 2025301 PMAQI
29th Jul 2025302 PMAQI
29th Jul 2025243 PMAQI
29th Jul 2025254 PMAQI
29th Jul 2025245 PMAQI
29th Jul 2025246 PMAQI
29th Jul 2025287 PMAQI
29th Jul 2025278 PMAQI
29th Jul 2025249 PMAQI
29th Jul 20252410 PMAQI
29th Jul 20252511 PMAQI
30th Jul 20252812 AMAQI
30th Jul 2025261 AMAQI
30th Jul 2025262 AMAQI
30th Jul 2025263 AMAQI
30th Jul 2025264 AMAQI
30th Jul 2025215 AMAQI
15°C13/17°C
30th Jul 2025186 AMAQI
30th Jul 2025227 AMAQI
30th Jul 2025248 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20252610 AMAQI
30th Jul 20252511 AMAQI
30th Jul 20252212 PMAQI
30th Jul 2025261 PMAQI
30th Jul 2025302 PMAQI
30th Jul 2025303 PMAQI
30th Jul 2025304 PMAQI
30th Jul 2025305 PMAQI
30th Jul 2025306 PMAQI
30th Jul 2025307 PMAQI
30th Jul 2025308 PMAQI
30th Jul 2025269 PMAQI
30th Jul 20252610 PMAQI
30th Jul 20252511 PMAQI
31st Jul 20252512 AMAQI
31st Jul 2025251 AMAQI
31st Jul 2025252 AMAQI
31st Jul 2025243 AMAQI
31st Jul 2025224 AMAQI
31st Jul 2025205 AMAQI
15°C13/16°C
31st Jul 2025176 AMAQI
31st Jul 2025217 AMAQI
31st Jul 2025188 AMAQI
31st Jul 2025209 AMAQI
31st Jul 20251610 AMAQI
31st Jul 20251711 AMAQI
31st Jul 20251912 PMAQI
31st Jul 2025201 PMAQI
31st Jul 2025232 PMAQI
31st Jul 2025263 PMAQI
31st Jul 2025304 PMAQI
31st Jul 2025355 PMAQI
31st Jul 2025356 PMAQI
31st Jul 2025247 PMAQI
31st Jul 2025308 PMAQI
31st Jul 2025339 PMAQI
31st Jul 20252910 PMAQI
31st Jul 20252311 PMAQI
1st Aug 20252412 AMAQI
1st Aug 2025211 AMAQI
1st Aug 2025192 AMAQI
1st Aug 2025243 AMAQI
1st Aug 2025204 AMAQI
1st Aug 2025265 AMAQI
16°C14/19°C
1st Aug 2025176 AMAQI
1st Aug 2025177 AMAQI
1st Aug 2025178 AMAQI
1st Aug 2025199 AMAQI
1st Aug 20251710 AMAQI
1st Aug 20251811 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 2025248 PMAQI
1st Aug 2025269 PMAQI
1st Aug 20252610 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252612 AMAQI
2nd Aug 2025241 AMAQI
2nd Aug 2025232 AMAQI
2nd Aug 2025233 AMAQI
2nd Aug 2025224 AMAQI
2nd Aug 2025225 AMAQI
15°C14/17°C
2nd Aug 2025226 AMAQI
2nd Aug 2025227 AMAQI
2nd Aug 2025208 AMAQI
2nd Aug 2025179 AMAQI
2nd Aug 20251710 AMAQI
2nd Aug 20252111 AMAQI
2nd Aug 20252012 PMAQI
2nd Aug 2025181 PMAQI
2nd Aug 2025142 PMAQI
2nd Aug 2025313 PMAQI
2nd Aug 2025354 PMAQI
2nd Aug 2025265 PMAQI
2nd Aug 2025236 PMAQI
2nd Aug 2025227 PMAQI
2nd Aug 2025248 PMAQI
2nd Aug 2025229 PMAQI
2nd Aug 20251910 PMAQI
2nd Aug 20252511 PMAQI
3rd Aug 20252812 AMAQI
3rd Aug 2025291 AMAQI
3rd Aug 2025322 AMAQI
3rd Aug 2025323 AMAQI
3rd Aug 2025304 AMAQI
3rd Aug 2025305 AMAQI
15°C13/18°C
3rd Aug 2025316 AMAQI
3rd Aug 2025347 AMAQI
3rd Aug 2025418 AMAQI
3rd Aug 2025439 AMAQI
3rd Aug 20254810 AMAQI
3rd Aug 20255111 AMAQI
3rd Aug 20255112 PMAQI
3rd Aug 2025491 PMAQI
3rd Aug 2025482 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025524 PMAQI
3rd Aug 2025455 PMAQI
3rd Aug 2025506 PMAQI
3rd Aug 2025437 PMAQI
3rd Aug 2025508 PMAQI
3rd Aug 2025549 PMAQI
3rd Aug 20255310 PMAQI
3rd Aug 20255411 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025481 AMAQI
4th Aug 2025442 AMAQI
4th Aug 2025463 AMAQI
4th Aug 2025524 AMAQI
4th Aug 2025495 AMAQI
15°C13/21°C
4th Aug 2025436 AMAQI
4th Aug 2025397 AMAQI
4th Aug 2025408 AMAQI
4th Aug 2025389 AMAQI
4th Aug 20253910 AMAQI
4th Aug 20254211 AMAQI
4th Aug 20253912 PMAQI
4th Aug 2025341 PMAQI
4th Aug 2025412 PMAQI
4th Aug 2025443 PMAQI
4th Aug 2025424 PMAQI
4th Aug 2025415 PMAQI
4th Aug 2025456 PMAQI
4th Aug 2025477 PMAQI
4th Aug 2025458 PMAQI
4th Aug 2025409 PMAQI
4th Aug 20253510 PMAQI
4th Aug 20253111 PMAQI
5th Aug 20253212 AMAQI
5th Aug 2025301 AMAQI
5th Aug 2025272 AMAQI
5th Aug 2025293 AMAQI
5th Aug 2025264 AMAQI
5th Aug 2025265 AMAQI
15°C13/21°C
5th Aug 2025256 AMAQI
5th Aug 2025227 AMAQI
5th Aug 2025238 AMAQI
5th Aug 2025299 AMAQI
5th Aug 20253410 AMAQI
5th Aug 20253811 AMAQI
5th Aug 20253512 PMAQI
5th Aug 2025401 PMAQI
5th Aug 2025482 PMAQI
5th Aug 2025453 PMAQI
5th Aug 2025364 PMAQI
5th Aug 2025445 PMAQI
5th Aug 2025566 PMAQI
5th Aug 2025327 PMAQI
5th Aug 2025368 PMAQI
5th Aug 2025379 PMAQI
5th Aug 20253410 PMAQI
5th Aug 20253011 PMAQI
6th Aug 20252912 AMAQI
6th Aug 2025281 AMAQI
6th Aug 2025302 AMAQI
6th Aug 2025343 AMAQI
6th Aug 2025344 AMAQI
6th Aug 2025415 AMAQI
14°C12/18°C
6th Aug 2025486 AMAQI
6th Aug 2025427 AMAQI
6th Aug 2025408 AMAQI
6th Aug 2025419 AMAQI
6th Aug 20254710 AMAQI
6th Aug 20254711 AMAQI
6th Aug 20254312 PMAQI
6th Aug 2025461 PMAQI
6th Aug 2025492 PMAQI
6th Aug 2025523 PMAQI
6th Aug 2025554 PMAQI
6th Aug 2025565 PMAQI
6th Aug 2025536 PMAQI
6th Aug 2025427 PMAQI
6th Aug 2025438 PMAQI
6th Aug 2025439 PMAQI
6th Aug 20254210 PMAQI
6th Aug 20253811 PMAQI
7th Aug 20253412 AMAQI
7th Aug 2025351 AMAQI
7th Aug 2025372 AMAQI
7th Aug 2025343 AMAQI
7th Aug 2025244 AMAQI
7th Aug 2025255 AMAQI
16°C13/21°C
7th Aug 2025286 AMAQI
7th Aug 2025267 AMAQI
7th Aug 2025268 AMAQI
7th Aug 2025319 AMAQI
7th Aug 20253410 AMAQI
7th Aug 20253211 AMAQI
7th Aug 20252812 PMAQI
7th Aug 2025261 PMAQI
7th Aug 2025202 PMAQI
7th Aug 2025273 PMAQI
7th Aug 2025284 PMAQI
7th Aug 2025305 PMAQI
7th Aug 2025316 PMAQI
7th Aug 2025307 PMAQI
7th Aug 2025308 PMAQI
7th Aug 2025289 PMAQI
7th Aug 20252710 PMAQI
7th Aug 20252611 PMAQI
8th Aug 20252812 AMAQI
8th Aug 2025331 AMAQI
8th Aug 2025342 AMAQI
8th Aug 2025363 AMAQI
8th Aug 2025404 AMAQI
8th Aug 2025445 AMAQI
15°C13/19°C
8th Aug 2025386 AMAQI
8th Aug 2025387 AMAQI
8th Aug 2025378 AMAQI
8th Aug 2025369 AMAQI
8th Aug 20253810 AMAQI
8th Aug 20254011 AMAQI
8th Aug 20254112 PMAQI
8th Aug 2025391 PMAQI
8th Aug 2025392 PMAQI
8th Aug 2025423 PMAQI
8th Aug 2025424 PMAQI
8th Aug 2025425 PMAQI
8th Aug 2025406 PMAQI
8th Aug 2025407 PMAQI
8th Aug 2025408 PMAQI
8th Aug 2025409 PMAQI
8th Aug 20254010 PMAQI
8th Aug 20254011 PMAQI
9th Aug 20254012 AMAQI
9th Aug 2025391 AMAQI
9th Aug 2025422 AMAQI
9th Aug 2025423 AMAQI
9th Aug 2025424 AMAQI
9th Aug 2025455 AMAQI
16°C13/20°C
9th Aug 2025466 AMAQI
9th Aug 2025447 AMAQI
9th Aug 2025368 AMAQI
9th Aug 2025339 AMAQI
9th Aug 20252910 AMAQI
9th Aug 20252611 AMAQI
9th Aug 20252512 PMAQI
9th Aug 2025241 PMAQI
9th Aug 2025252 PMAQI
9th Aug 2025333 PMAQI
9th Aug 2025354 PMAQI
9th Aug 2025375 PMAQI
9th Aug 2025366 PMAQI
9th Aug 2025367 PMAQI
9th Aug 2025378 PMAQI
9th Aug 2025359 PMAQI
9th Aug 20253610 PMAQI
9th Aug 20253511 PMAQI
10th Aug 20253512 AMAQI
10th Aug 2025321 AMAQI
10th Aug 2025342 AMAQI
10th Aug 2025343 AMAQI
10th Aug 2025354 AMAQI
10th Aug 2025275 AMAQI
16°C13/19°C
10th Aug 2025286 AMAQI
10th Aug 2025337 AMAQI
10th Aug 2025288 AMAQI
10th Aug 2025289 AMAQI
10th Aug 20253010 AMAQI
10th Aug 20253011 AMAQI
10th Aug 20252912 PMAQI
10th Aug 2025311 PMAQI
10th Aug 2025282 PMAQI
10th Aug 2025293 PMAQI
10th Aug 2025294 PMAQI
10th Aug 2025305 PMAQI
10th Aug 2025306 PMAQI
10th Aug 2025307 PMAQI
10th Aug 2025308 PMAQI
10th Aug 2025319 PMAQI
10th Aug 20253010 PMAQI
10th Aug 20252811 PMAQI
11th Aug 20252812 AMAQI
11th Aug 2025221 AMAQI
11th Aug 2025212 AMAQI
11th Aug 2025223 AMAQI
11th Aug 2025214 AMAQI
11th Aug 2025205 AMAQI
16°C13/19°C
11th Aug 2025226 AMAQI
6 AM11th Aug 2025227 AMAQI
11th Aug 2025268 AMAQI
11th Aug 2025269 AMAQI
11th Aug 20253210 AMAQI
11th Aug 20253811 AMAQI
11th Aug 20254512 PMAQI
11th Aug 2025441 PMAQI
1 PM11th Aug 2025362 PMAQI
8 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 6 PM
25AQI
13 hours / Day
390 hours / Month
Avg. Lowest Time
6 AM - 8 PM
26AQI
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. 25), while the lowest AQI was between 6 AM to 8 PM (Avg. 26).
Night time
Avg. Highest Time
12 AM - 11 PM
26AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 5 AM
26AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 26), while the lowest AQI was between 12 AM to 5 AM (Avg. 26).
2025 Days Vs Air Quality
Alameda, California, United States
2025
91%
201
9%
21
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Good
201 DaysModerate
21 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% 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
Alameda, 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
56AQI
56AQI
2nd January 2025
52AQI
52AQI
3rd January 2025
48AQI
48AQI
4th January 2025
41AQI
41AQI
5th January 2025
48AQI
48AQI
6th January 2025
50AQI
50AQI
7th January 2025
26AQI
26AQI
8th January 2025
28AQI
28AQI
9th January 2025
47AQI
47AQI
10th January 2025
43AQI
43AQI
11th January 2025
31AQI
31AQI
12th January 2025
26AQI
26AQI
13th January 2025
33AQI
33AQI
14th January 2025
39AQI
39AQI
15th January 2025
55AQI
55AQI
16th January 2025
63AQI
63AQI
17th January 2025
50AQI
50AQI
18th January 2025
50AQI
50AQI
19th January 2025
58AQI
58AQI
20th January 2025
38AQI
38AQI
21st January 2025
43AQI
43AQI
22nd January 2025
55AQI
55AQI
23rd January 2025
54AQI
54AQI
24th January 2025
63AQI
63AQI
25th January 2025
51AQI
51AQI
26th January 2025
40AQI
40AQI
27th January 2025
44AQI
44AQI
28th January 2025
46AQI
46AQI
29th January 2025
39AQI
39AQI
30th January 2025
36AQI
36AQI
31st January 2025
37AQI
37AQI
1st February 2025
34AQI
34AQI
2nd February 2025
23AQI
23AQI
3rd February 2025
22AQI
22AQI
4th February 2025
21AQI
21AQI
5th February 2025
24AQI
24AQI
6th February 2025
28AQI
28AQI
7th February 2025
23AQI
23AQI
8th February 2025
24AQI
24AQI
9th February 2025
28AQI
28AQI
10th February 2025
31AQI
31AQI
11th February 2025
32AQI
32AQI
12th February 2025
24AQI
24AQI
13th February 2025
26AQI
26AQI
14th February 2025
35AQI
35AQI
15th February 2025
39AQI
39AQI
16th February 2025
42AQI
42AQI
17th February 2025
23AQI
23AQI
18th February 2025
29AQI
29AQI
19th February 2025
35AQI
35AQI
20th February 2025
28AQI
28AQI
21st February 2025
34AQI
34AQI
22nd February 2025
39AQI
39AQI
23rd February 2025
32AQI
32AQI
24th February 2025
25AQI
25AQI
25th February 2025
26AQI
26AQI
26th February 2025
40AQI
40AQI
27th February 2025
41AQI
41AQI
28th February 2025
56AQI
56AQI
1st March 2025
32AQI
32AQI
2nd March 2025
25AQI
25AQI
3rd March 2025
22AQI
22AQI
4th March 2025
23AQI
23AQI
5th March 2025
26AQI
26AQI
6th March 2025
23AQI
23AQI
7th March 2025
32AQI
32AQI
8th March 2025
39AQI
39AQI
9th March 2025
39AQI
39AQI
10th March 2025
32AQI
32AQI
11th March 2025
31AQI
31AQI
12th March 2025
25AQI
25AQI
13th March 2025
21AQI
21AQI
14th March 2025
25AQI
25AQI
15th March 2025
58AQI
58AQI
16th March 2025
43AQI
43AQI
17th March 2025
19AQI
19AQI
18th March 2025
19AQI
19AQI
19th March 2025
24AQI
24AQI
20th March 2025
18AQI
18AQI
21st March 2025
30AQI
30AQI
22nd March 2025
26AQI
26AQI
23rd March 2025
34AQI
34AQI
24th March 2025
26AQI
26AQI
25th March 2025
40AQI
40AQI
26th March 2025
24AQI
24AQI
27th March 2025
22AQI
22AQI
28th March 2025
28AQI
28AQI
29th March 2025
18AQI
18AQI
30th March 2025
19AQI
19AQI
31st March 2025
22AQI
22AQI
1st April 2025
24AQI
24AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
25AQI
25AQI
4th April 2025
27AQI
27AQI
5th April 2025
28AQI
28AQI
6th April 2025
25AQI
25AQI
7th April 2025
18AQI
18AQI
8th April 2025
18AQI
18AQI
9th April 2025
24AQI
24AQI
10th April 2025
24AQI
24AQI
11th April 2025
24AQI
24AQI
12th April 2025
36AQI
36AQI
13th April 2025
47AQI
47AQI
14th April 2025
40AQI
40AQI
15th April 2025
33AQI
33AQI
16th April 2025
38AQI
38AQI
17th April 2025
23AQI
23AQI
18th April 2025
31AQI
31AQI
19th April 2025
34AQI
34AQI
20th April 2025
36AQI
36AQI
21st April 2025
46AQI
46AQI
22nd April 2025
41AQI
41AQI
23rd April 2025
51AQI
51AQI
24th April 2025
37AQI
37AQI
25th April 2025
22AQI
22AQI
26th April 2025
17AQI
17AQI
27th April 2025
30AQI
30AQI
28th April 2025
40AQI
40AQI
29th April 2025
42AQI
42AQI
30th April 2025
47AQI
47AQI
1st May 2025
44AQI
44AQI
2nd May 2025
31AQI
31AQI
3rd May 2025
28AQI
28AQI
4th May 2025
45AQI
45AQI
5th May 2025
35AQI
35AQI
6th May 2025
51AQI
51AQI
7th May 2025
48AQI
48AQI
8th May 2025
32AQI
32AQI
9th May 2025
45AQI
45AQI
10th May 2025
39AQI
39AQI
11th May 2025
31AQI
31AQI
12th May 2025
23AQI
23AQI
13th May 2025
23AQI
23AQI
14th May 2025
43AQI
43AQI
15th May 2025
46AQI
46AQI
16th May 2025
50AQI
50AQI
17th May 2025
32AQI
32AQI
18th May 2025
37AQI
37AQI
19th May 2025
41AQI
41AQI
20th May 2025
27AQI
27AQI
21st May 2025
35AQI
35AQI
22nd May 2025
32AQI
32AQI
23rd May 2025
31AQI
31AQI
24th May 2025
40AQI
40AQI
25th May 2025
25AQI
25AQI
26th May 2025
20AQI
20AQI
27th May 2025
38AQI
38AQI
28th May 2025
33AQI
33AQI
29th May 2025
29AQI
29AQI
30th May 2025
40AQI
40AQI
31st May 2025
53AQI
53AQI
1st June 2025
54AQI
54AQI
2nd June 2025
49AQI
49AQI
3rd June 2025
42AQI
42AQI
4th June 2025
54AQI
54AQI
5th June 2025
39AQI
39AQI
6th June 2025
31AQI
31AQI
7th June 2025
27AQI
27AQI
8th June 2025
22AQI
22AQI
9th June 2025
21AQI
21AQI
10th June 2025
27AQI
27AQI
11th June 2025
50AQI
50AQI
12th June 2025
53AQI
53AQI
13th June 2025
51AQI
51AQI
14th June 2025
52AQI
52AQI
15th June 2025
53AQI
53AQI
16th June 2025
50AQI
50AQI
17th June 2025
44AQI
44AQI
18th June 2025
43AQI
43AQI
19th June 2025
51AQI
51AQI
20th June 2025
50AQI
50AQI
21st June 2025
44AQI
44AQI
22nd June 2025
44AQI
44AQI
23rd June 2025
45AQI
45AQI
24th June 2025
29AQI
29AQI
25th June 2025
26AQI
26AQI
26th June 2025
31AQI
31AQI
27th June 2025
39AQI
39AQI
28th June 2025
39AQI
39AQI
29th June 2025
38AQI
38AQI
30th June 2025
32AQI
32AQI
1st July 2025
26AQI
26AQI
2nd July 2025
25AQI
25AQI
3rd July 2025
38AQI
38AQI
4th July 2025
38AQI
38AQI
5th July 2025
38AQI
38AQI
6th July 2025
35AQI
35AQI
7th July 2025
29AQI
29AQI
8th July 2025
24AQI
24AQI
9th July 2025
20AQI
20AQI
10th July 2025
26AQI
26AQI
11th July 2025
35AQI
35AQI
12th July 2025
36AQI
36AQI
13th July 2025
30AQI
30AQI
14th July 2025
23AQI
23AQI
15th July 2025
20AQI
20AQI
16th July 2025
23AQI
23AQI
17th July 2025
19AQI
19AQI
18th July 2025
20AQI
20AQI
19th July 2025
23AQI
23AQI
20th July 2025
22AQI
22AQI
21st July 2025
25AQI
25AQI
22nd July 2025
18AQI
18AQI
23rd July 2025
18AQI
18AQI
24th July 2025
17AQI
17AQI
25th July 2025
15AQI
15AQI
26th July 2025
15AQI
15AQI
27th July 2025
16AQI
16AQI
28th July 2025
19AQI
19AQI
29th July 2025
24AQI
24AQI
30th July 2025
26AQI
26AQI
31st July 2025
25AQI
25AQI
1st August 2025
22AQI
22AQI
2nd August 2025
22AQI
22AQI
3rd August 2025
42AQI
42AQI
4th August 2025
43AQI
43AQI
5th August 2025
34AQI
34AQI
6th August 2025
42AQI
42AQI
7th August 2025
29AQI
29AQI
8th August 2025
39AQI
39AQI
9th August 2025
36AQI
36AQI
10th August 2025
31AQI
31AQI
45AQI
31AQI
28AQI
32AQI
36AQI
41AQI
25AQI
34AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202534AQI
22
9
27
1
30
1
29
1
29
2
23
7
31
10
201
21
Highest AQI recorded in
January45AQI
Lowest AQI recorded in
July25AQI
202433AQI
31
28
1
31
26
4
24
7
26
3
30
1
30
1
29
1
29
2
27
3
18
13
329
36
Highest AQI recorded in
December51AQI
Lowest AQI recorded in
March25AQI
202335AQI
31
23
5
31
30
28
3
28
2
25
5
20
11
25
3
2
30
1
19
10
21
10
311
50
2
Highest AQI recorded in
December45AQI
Lowest AQI recorded in
March25AQI
202238AQI
12
18
14
8
31
16
3
20
6
27
3
19
1
1
22
7
26
5
21
9
20
11
229
71
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
July27AQI
202134AQI
22
7
28
31
23
7
23
8
25
5
28
3
23
8
22
8
31
20
10
23
8
299
64
Highest AQI recorded in
September43AQI
Lowest AQI recorded in
February25AQI
202041AQI
13
20
18
26
3
29
2
20
9
2
14
11
4
1
22
7
2
22
8
21
9
1
205
49
5
4
1
Highest AQI recorded in
September70AQI
Lowest AQI recorded in
June27AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
41AQILeast Polluted Year Recorded
2024(Avg.)
33AQIAlameda's annual 2025 AQI (34) shows an average percentage change of -5.05% (improved AQI) compared to previous years: 2020 (41), 2021 (34), 2022 (38), 2023 (35), 2024 (33).
