Portola Avenue, Livermore, 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
Portola Avenue, Livermore, California, United States
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
9th Aug 2025
38AQILowest AQI recorded on
2nd Aug 2025
22AQISame Day Analysis (11th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 31 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 11th Aug - 12th Aug 2025
Portola Avenue, Livermore, California, United States
AQI
Day
Night
.
6 AM11th Aug 2025
8 PM
5 AM12th Aug 2025
Day time
Avg. Highest Time
6PM11th Aug
52AQI
Avg. Lowest Time
8AM11th Aug
26AQI
Night time
Avg. Highest Time
9PM11th Aug
42AQI
Avg. Lowest Time
4AM12th Aug
26AQI
In the last 24 hours,
Portola Avenue's AQI reached its highest point of 52 at 6 PM during the Day, while the lowest point, 26, was recorded at 4 AM during the Night between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Portola Avenue, Livermore, 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 2025356 AMAQI
13th Jul 2025387 AMAQI
13th Jul 2025328 AMAQI
13th Jul 2025319 AMAQI
13th Jul 20252710 AMAQI
13th Jul 20252611 AMAQI
13th Jul 20252712 PMAQI
13th Jul 2025381 PMAQI
13th Jul 2025402 PMAQI
13th Jul 2025443 PMAQI
13th Jul 2025424 PMAQI
13th Jul 2025395 PMAQI
13th Jul 2025376 PMAQI
13th Jul 2025347 PMAQI
13th Jul 2025328 PMAQI
13th Jul 2025319 PMAQI
13th Jul 20252910 PMAQI
13th Jul 20252811 PMAQI
14th Jul 20252612 AMAQI
14th Jul 2025251 AMAQI
14th Jul 2025242 AMAQI
14th Jul 2025273 AMAQI
14th Jul 2025194 AMAQI
14th Jul 2025205 AMAQI
21°C13/33°C
14th Jul 2025216 AMAQI
14th Jul 2025267 AMAQI
14th Jul 2025248 AMAQI
14th Jul 2025249 AMAQI
14th Jul 20252110 AMAQI
14th Jul 20252111 AMAQI
14th Jul 20252512 PMAQI
14th Jul 2025291 PMAQI
14th Jul 2025322 PMAQI
14th Jul 2025323 PMAQI
14th Jul 2025304 PMAQI
14th Jul 2025295 PMAQI
14th Jul 2025306 PMAQI
14th Jul 2025267 PMAQI
14th Jul 2025268 PMAQI
14th Jul 2025249 PMAQI
14th Jul 20252210 PMAQI
14th Jul 20252311 PMAQI
15th Jul 20252212 AMAQI
15th Jul 2025251 AMAQI
15th Jul 2025212 AMAQI
15th Jul 2025223 AMAQI
15th Jul 2025224 AMAQI
15th Jul 2025185 AMAQI
22°C13/36°C
15th Jul 2025196 AMAQI
15th Jul 2025227 AMAQI
15th Jul 2025208 AMAQI
15th Jul 2025229 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20252311 AMAQI
15th Jul 20252412 PMAQI
15th Jul 2025251 PMAQI
15th Jul 2025292 PMAQI
15th Jul 2025323 PMAQI
15th Jul 2025324 PMAQI
15th Jul 2025295 PMAQI
15th Jul 2025286 PMAQI
15th Jul 2025247 PMAQI
15th Jul 2025248 PMAQI
15th Jul 2025249 PMAQI
15th Jul 20252410 PMAQI
15th Jul 20252511 PMAQI
16th Jul 20252612 AMAQI
16th Jul 2025281 AMAQI
16th Jul 2025272 AMAQI
16th Jul 2025263 AMAQI
16th Jul 2025244 AMAQI
16th Jul 2025225 AMAQI
19°C12/30°C
16th Jul 2025186 AMAQI
16th Jul 2025187 AMAQI
16th Jul 2025208 AMAQI
16th Jul 2025189 AMAQI
16th Jul 20251910 AMAQI
16th Jul 20252011 AMAQI
16th Jul 20252312 PMAQI
16th Jul 2025281 PMAQI
16th Jul 2025252 PMAQI
16th Jul 2025263 PMAQI
16th Jul 2025264 PMAQI
16th Jul 2025275 PMAQI
16th Jul 2025306 PMAQI
16th Jul 2025247 PMAQI
16th Jul 2025228 PMAQI
16th Jul 2025219 PMAQI
16th Jul 20252210 PMAQI
16th Jul 20252111 PMAQI
17th Jul 20252112 AMAQI
17th Jul 2025211 AMAQI
17th Jul 2025212 AMAQI
17th Jul 2025193 AMAQI
17th Jul 2025174 AMAQI
17th Jul 2025185 AMAQI
18°C12/28°C
17th Jul 2025186 AMAQI
17th Jul 2025177 AMAQI
17th Jul 2025188 AMAQI
17th Jul 2025189 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20251811 AMAQI
17th Jul 20252012 PMAQI
17th Jul 2025201 PMAQI
17th Jul 2025232 PMAQI
17th Jul 2025223 PMAQI
17th Jul 2025224 PMAQI
17th Jul 2025265 PMAQI
17th Jul 2025226 PMAQI
17th Jul 2025207 PMAQI
17th Jul 2025208 PMAQI
17th Jul 2025239 PMAQI
17th Jul 20252310 PMAQI
17th Jul 20252411 PMAQI
18th Jul 20252212 AMAQI
18th Jul 2025201 AMAQI
18th Jul 2025182 AMAQI
18th Jul 2025203 AMAQI
18th Jul 2025184 AMAQI
18th Jul 2025185 AMAQI
18°C11/31°C
18th Jul 2025186 AMAQI
18th Jul 2025187 AMAQI
18th Jul 2025188 AMAQI
18th Jul 2025179 AMAQI
18th Jul 20251610 AMAQI
18th Jul 20252011 AMAQI
18th Jul 20252012 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025242 PMAQI
18th Jul 2025273 PMAQI
18th Jul 2025274 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025246 PMAQI
18th Jul 2025217 PMAQI
18th Jul 2025208 PMAQI
18th Jul 2025249 PMAQI
18th Jul 20252410 PMAQI
18th Jul 20252411 PMAQI
19th Jul 20252212 AMAQI
19th Jul 2025201 AMAQI
19th Jul 2025202 AMAQI
19th Jul 2025233 AMAQI
19th Jul 2025224 AMAQI
19th Jul 2025235 AMAQI
18°C11/29°C
19th Jul 2025226 AMAQI
19th Jul 2025227 AMAQI
19th Jul 2025228 AMAQI
19th Jul 2025229 AMAQI
19th Jul 20252210 AMAQI
19th Jul 20252011 AMAQI
19th Jul 20252212 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025304 PMAQI
19th Jul 2025295 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025238 PMAQI
19th Jul 2025249 PMAQI
19th Jul 20252210 PMAQI
19th Jul 20252211 PMAQI
20th Jul 20252212 AMAQI
20th Jul 2025241 AMAQI
20th Jul 2025242 AMAQI
20th Jul 2025223 AMAQI
20th Jul 2025224 AMAQI
20th Jul 2025225 AMAQI
17°C11/29°C
20th Jul 2025236 AMAQI
20th Jul 2025227 AMAQI
20th Jul 2025248 AMAQI
20th Jul 2025219 AMAQI
20th Jul 20251910 AMAQI
20th Jul 20252211 AMAQI
20th Jul 20251912 PMAQI
20th Jul 2025191 PMAQI
20th Jul 2025182 PMAQI
20th Jul 2025193 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025205 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025238 PMAQI
20th Jul 2025269 PMAQI
20th Jul 20253210 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253512 AMAQI
21st Jul 2025321 AMAQI
21st Jul 2025322 AMAQI
21st Jul 2025313 AMAQI
21st Jul 2025324 AMAQI
21st Jul 2025295 AMAQI
18°C11/29°C
21st Jul 2025266 AMAQI
21st Jul 2025287 AMAQI
21st Jul 2025288 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20252510 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20252212 PMAQI
21st Jul 2025211 PMAQI
21st Jul 2025222 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025224 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025216 PMAQI
21st Jul 2025257 PMAQI
21st Jul 2025238 PMAQI
21st Jul 2025189 PMAQI
21st Jul 20251810 PMAQI
21st Jul 20252011 PMAQI
22nd Jul 20251912 AMAQI
22nd Jul 2025181 AMAQI
22nd Jul 2025162 AMAQI
22nd Jul 2025173 AMAQI
22nd Jul 2025154 AMAQI
22nd Jul 2025145 AMAQI
15°C11/22°C
22nd Jul 2025156 AMAQI
22nd Jul 2025147 AMAQI
22nd Jul 2025138 AMAQI
22nd Jul 2025139 AMAQI
22nd Jul 20251310 AMAQI
22nd Jul 20251411 AMAQI
22nd Jul 20251312 PMAQI
22nd Jul 2025121 PMAQI
22nd Jul 2025142 PMAQI
22nd Jul 2025143 PMAQI
22nd Jul 2025164 PMAQI
22nd Jul 2025165 PMAQI
22nd Jul 2025166 PMAQI
22nd Jul 2025157 PMAQI
22nd Jul 2025148 PMAQI
22nd Jul 2025159 PMAQI
22nd Jul 20251610 PMAQI
22nd Jul 20251611 PMAQI
23rd Jul 20251412 AMAQI
23rd Jul 2025141 AMAQI
23rd Jul 2025162 AMAQI
23rd Jul 2025153 AMAQI
23rd Jul 2025124 AMAQI
23rd Jul 2025115 AMAQI
16°C11/23°C
23rd Jul 2025126 AMAQI
23rd Jul 2025137 AMAQI
23rd Jul 2025148 AMAQI
23rd Jul 2025159 AMAQI
23rd Jul 20251310 AMAQI
23rd Jul 20251511 AMAQI
23rd Jul 20251612 PMAQI
23rd Jul 2025161 PMAQI
23rd Jul 2025162 PMAQI
23rd Jul 2025163 PMAQI
23rd Jul 2025184 PMAQI
23rd Jul 2025175 PMAQI
23rd Jul 2025166 PMAQI
23rd Jul 2025177 PMAQI
23rd Jul 2025168 PMAQI
23rd Jul 2025169 PMAQI
23rd Jul 20251610 PMAQI
23rd Jul 20251711 PMAQI
24th Jul 20251612 AMAQI
24th Jul 2025161 AMAQI
24th Jul 2025162 AMAQI
24th Jul 2025173 AMAQI
24th Jul 2025164 AMAQI
24th Jul 2025165 AMAQI
17°C11/26°C
24th Jul 2025156 AMAQI
24th Jul 2025147 AMAQI
24th Jul 2025148 AMAQI
24th Jul 2025149 AMAQI
24th Jul 20251510 AMAQI
24th Jul 20251411 AMAQI
24th Jul 20251512 PMAQI
24th Jul 2025151 PMAQI
24th Jul 2025162 PMAQI
24th Jul 2025183 PMAQI
24th Jul 2025184 PMAQI
24th Jul 2025185 PMAQI
24th Jul 2025186 PMAQI
24th Jul 2025167 PMAQI
24th Jul 2025168 PMAQI
24th Jul 2025169 PMAQI
24th Jul 20251710 PMAQI
24th Jul 20251811 PMAQI
25th Jul 20251712 AMAQI
25th Jul 2025161 AMAQI
25th Jul 2025162 AMAQI
25th Jul 2025163 AMAQI
25th Jul 2025154 AMAQI
25th Jul 2025155 AMAQI
17°C11/25°C
25th Jul 2025146 AMAQI
25th Jul 2025147 AMAQI
25th Jul 2025148 AMAQI
25th Jul 2025159 AMAQI
25th Jul 20251410 AMAQI
25th Jul 20251411 AMAQI
25th Jul 20251412 PMAQI
25th Jul 2025161 PMAQI
25th Jul 2025182 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 20251610 PMAQI
25th Jul 20251611 PMAQI
26th Jul 20251712 AMAQI
26th Jul 2025161 AMAQI
26th Jul 2025172 AMAQI
26th Jul 2025163 AMAQI
26th Jul 2025144 AMAQI
26th Jul 2025145 AMAQI
17°C11/26°C
26th Jul 2025136 AMAQI
26th Jul 2025147 AMAQI
26th Jul 2025148 AMAQI
26th Jul 2025149 AMAQI
26th Jul 20251510 AMAQI
26th Jul 20251411 AMAQI
26th Jul 20251512 PMAQI
26th Jul 2025141 PMAQI
26th Jul 2025162 PMAQI
26th Jul 2025163 PMAQI
26th Jul 2025164 PMAQI
26th Jul 2025165 PMAQI
26th Jul 2025166 PMAQI
26th Jul 2025167 PMAQI
26th Jul 2025168 PMAQI
26th Jul 2025189 PMAQI
26th Jul 20251610 PMAQI
26th Jul 20251611 PMAQI
27th Jul 20251712 AMAQI
27th Jul 2025161 AMAQI
27th Jul 2025162 AMAQI
27th Jul 2025153 AMAQI
27th Jul 2025144 AMAQI
27th Jul 2025145 AMAQI
17°C12/26°C
27th Jul 2025156 AMAQI
27th Jul 2025177 AMAQI
27th Jul 2025168 AMAQI
27th Jul 2025169 AMAQI
27th Jul 20251510 AMAQI
27th Jul 20251511 AMAQI
27th Jul 20251512 PMAQI
27th Jul 2025151 PMAQI
27th Jul 2025152 PMAQI
27th Jul 2025173 PMAQI
27th Jul 2025174 PMAQI
27th Jul 2025175 PMAQI
27th Jul 2025186 PMAQI
27th Jul 2025167 PMAQI
27th Jul 2025158 PMAQI
27th Jul 2025169 PMAQI
27th Jul 20251610 PMAQI
27th Jul 20251711 PMAQI
28th Jul 20251712 AMAQI
28th Jul 2025161 AMAQI
28th Jul 2025152 AMAQI
28th Jul 2025153 AMAQI
28th Jul 2025164 AMAQI
28th Jul 2025165 AMAQI
16°C12/26°C
28th Jul 2025166 AMAQI
28th Jul 2025187 AMAQI
28th Jul 2025188 AMAQI
28th Jul 2025179 AMAQI
28th Jul 20251710 AMAQI
28th Jul 20251711 AMAQI
28th Jul 20252012 PMAQI
28th Jul 2025231 PMAQI
28th Jul 2025212 PMAQI
28th Jul 2025213 PMAQI
28th Jul 2025204 PMAQI
28th Jul 2025225 PMAQI
28th Jul 2025256 PMAQI
28th Jul 2025197 PMAQI
28th Jul 2025208 PMAQI
28th Jul 2025259 PMAQI
28th Jul 20251910 PMAQI
28th Jul 20251811 PMAQI
29th Jul 20252112 AMAQI
29th Jul 2025201 AMAQI
29th Jul 2025182 AMAQI
29th Jul 2025203 AMAQI
29th Jul 2025214 AMAQI
29th Jul 2025185 AMAQI
20°C11/31°C
29th Jul 2025196 AMAQI
29th Jul 2025247 AMAQI
29th Jul 2025258 AMAQI
29th Jul 2025249 AMAQI
29th Jul 20252710 AMAQI
29th Jul 20252611 AMAQI
29th Jul 20252912 PMAQI
29th Jul 2025301 PMAQI
29th Jul 2025292 PMAQI
29th Jul 2025323 PMAQI
29th Jul 2025344 PMAQI
29th Jul 2025325 PMAQI
29th Jul 2025286 PMAQI
29th Jul 2025247 PMAQI
29th Jul 2025248 PMAQI
29th Jul 2025249 PMAQI
29th Jul 20252310 PMAQI
29th Jul 20252211 PMAQI
30th Jul 20252212 AMAQI
30th Jul 2025211 AMAQI
30th Jul 2025222 AMAQI
30th Jul 2025243 AMAQI
30th Jul 2025234 AMAQI
30th Jul 2025185 AMAQI
20°C12/33°C
30th Jul 2025196 AMAQI
30th Jul 2025207 AMAQI
30th Jul 2025188 AMAQI
30th Jul 2025189 AMAQI
30th Jul 20252010 AMAQI
30th Jul 20251911 AMAQI
30th Jul 20251812 PMAQI
30th Jul 2025181 PMAQI
30th Jul 2025192 PMAQI
30th Jul 2025193 PMAQI
30th Jul 2025194 PMAQI
30th Jul 2025195 PMAQI
30th Jul 2025196 PMAQI
30th Jul 2025197 PMAQI
30th Jul 2025198 PMAQI
30th Jul 2025249 PMAQI
30th Jul 20252610 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20252612 AMAQI
31st Jul 2025241 AMAQI
31st Jul 2025222 AMAQI
31st Jul 2025233 AMAQI
31st Jul 2025214 AMAQI
31st Jul 2025175 AMAQI
18°C11/29°C
31st Jul 2025186 AMAQI
31st Jul 2025217 AMAQI
31st Jul 2025228 AMAQI
31st Jul 2025219 AMAQI
31st Jul 20252110 AMAQI
31st Jul 20252211 AMAQI
31st Jul 20252712 PMAQI
31st Jul 2025321 PMAQI
31st Jul 2025342 PMAQI
31st Jul 2025403 PMAQI
31st Jul 2025364 PMAQI
31st Jul 2025355 PMAQI
31st Jul 2025356 PMAQI
31st Jul 2025247 PMAQI
31st Jul 2025258 PMAQI
31st Jul 2025249 PMAQI
31st Jul 20252910 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20252612 AMAQI
1st Aug 2025231 AMAQI
1st Aug 2025222 AMAQI
1st Aug 2025233 AMAQI
1st Aug 2025214 AMAQI
1st Aug 2025225 AMAQI
20°C12/33°C
1st Aug 2025216 AMAQI
1st Aug 2025217 AMAQI
1st Aug 2025208 AMAQI
1st Aug 2025209 AMAQI
1st Aug 20252210 AMAQI
1st Aug 20252111 AMAQI
1st Aug 20252312 PMAQI
1st Aug 2025241 PMAQI
1st Aug 2025282 PMAQI
1st Aug 2025303 PMAQI
1st Aug 2025324 PMAQI
1st Aug 2025345 PMAQI
1st Aug 2025326 PMAQI
1st Aug 2025227 PMAQI
1st Aug 2025268 PMAQI
1st Aug 2025279 PMAQI
1st Aug 20252610 PMAQI
1st Aug 20252711 PMAQI
2nd Aug 20252612 AMAQI
2nd Aug 2025261 AMAQI
2nd Aug 2025262 AMAQI
2nd Aug 2025263 AMAQI
2nd Aug 2025244 AMAQI
2nd Aug 2025235 AMAQI
20°C13/31°C
2nd Aug 2025216 AMAQI
2nd Aug 2025227 AMAQI
2nd Aug 2025228 AMAQI
2nd Aug 2025219 AMAQI
2nd Aug 20251910 AMAQI
2nd Aug 20252111 AMAQI
2nd Aug 20252112 PMAQI
2nd Aug 2025201 PMAQI
2nd Aug 2025222 PMAQI
2nd Aug 2025233 PMAQI
2nd Aug 2025244 PMAQI
2nd Aug 2025245 PMAQI
2nd Aug 2025236 PMAQI
2nd Aug 2025237 PMAQI
2nd Aug 2025208 PMAQI
2nd Aug 2025199 PMAQI
2nd Aug 20251810 PMAQI
2nd Aug 20252011 PMAQI
3rd Aug 20252112 AMAQI
3rd Aug 2025201 AMAQI
3rd Aug 2025242 AMAQI
3rd Aug 2025233 AMAQI
3rd Aug 2025224 AMAQI
3rd Aug 2025215 AMAQI
19°C13/31°C
3rd Aug 2025216 AMAQI
3rd Aug 2025227 AMAQI
3rd Aug 2025218 AMAQI
3rd Aug 2025189 AMAQI
3rd Aug 20251910 AMAQI
3rd Aug 20251811 AMAQI
3rd Aug 20252512 PMAQI
3rd Aug 2025261 PMAQI
3rd Aug 2025292 PMAQI
3rd Aug 2025303 PMAQI
3rd Aug 2025324 PMAQI
3rd Aug 2025305 PMAQI
3rd Aug 2025266 PMAQI
3rd Aug 2025217 PMAQI
3rd Aug 2025228 PMAQI
3rd Aug 2025279 PMAQI
3rd Aug 20252710 PMAQI
3rd Aug 20252811 PMAQI
4th Aug 20253412 AMAQI
4th Aug 2025391 AMAQI
4th Aug 2025362 AMAQI
4th Aug 2025343 AMAQI
4th Aug 2025314 AMAQI
4th Aug 2025305 AMAQI
19°C12/30°C
4th Aug 2025276 AMAQI
4th Aug 2025267 AMAQI
4th Aug 2025248 AMAQI
4th Aug 2025269 AMAQI
4th Aug 20252810 AMAQI
4th Aug 20253211 AMAQI
4th Aug 20253312 PMAQI
4th Aug 2025351 PMAQI
4th Aug 2025352 PMAQI
4th Aug 2025313 PMAQI
4th Aug 2025344 PMAQI
4th Aug 2025355 PMAQI
4th Aug 2025366 PMAQI
4th Aug 2025317 PMAQI
4th Aug 2025348 PMAQI
4th Aug 2025339 PMAQI
4th Aug 20253110 PMAQI
4th Aug 20253011 PMAQI
5th Aug 20252812 AMAQI
5th Aug 2025271 AMAQI
5th Aug 2025262 AMAQI
5th Aug 2025223 AMAQI
5th Aug 2025244 AMAQI
5th Aug 2025235 AMAQI
18°C11/30°C
5th Aug 2025246 AMAQI
5th Aug 2025237 AMAQI
5th Aug 2025248 AMAQI
5th Aug 2025249 AMAQI
5th Aug 20252410 AMAQI
5th Aug 20252411 AMAQI
5th Aug 20253312 PMAQI
5th Aug 2025361 PMAQI
5th Aug 2025322 PMAQI
5th Aug 2025303 PMAQI
5th Aug 2025324 PMAQI
5th Aug 2025325 PMAQI
5th Aug 2025326 PMAQI
5th Aug 2025277 PMAQI
5th Aug 2025278 PMAQI
5th Aug 2025309 PMAQI
5th Aug 20252910 PMAQI
5th Aug 20252811 PMAQI
6th Aug 20252612 AMAQI
6th Aug 2025301 AMAQI
6th Aug 2025262 AMAQI
6th Aug 2025253 AMAQI
6th Aug 2025284 AMAQI
6th Aug 2025265 AMAQI
18°C9/30°C
6th Aug 2025266 AMAQI
6th Aug 2025267 AMAQI
6th Aug 2025268 AMAQI
6th Aug 2025269 AMAQI
6th Aug 20253010 AMAQI
6th Aug 20253111 AMAQI
6th Aug 20253012 PMAQI
6th Aug 2025311 PMAQI
6th Aug 2025322 PMAQI
6th Aug 2025343 PMAQI
6th Aug 2025334 PMAQI
6th Aug 2025365 PMAQI
6th Aug 2025366 PMAQI
6th Aug 2025307 PMAQI
6th Aug 2025308 PMAQI
6th Aug 2025379 PMAQI
6th Aug 20253510 PMAQI
6th Aug 20253011 PMAQI
7th Aug 20253112 AMAQI
7th Aug 2025291 AMAQI
7th Aug 2025302 AMAQI
7th Aug 2025263 AMAQI
7th Aug 2025264 AMAQI
7th Aug 2025275 AMAQI
23°C11/37°C
7th Aug 2025266 AMAQI
7th Aug 2025227 AMAQI
7th Aug 2025208 AMAQI
7th Aug 2025209 AMAQI
7th Aug 20252410 AMAQI
7th Aug 20252711 AMAQI
7th Aug 20252912 PMAQI
7th Aug 2025301 PMAQI
7th Aug 2025332 PMAQI
7th Aug 2025303 PMAQI
7th Aug 2025284 PMAQI
7th Aug 2025275 PMAQI
7th Aug 2025276 PMAQI
7th Aug 2025267 PMAQI
7th Aug 2025258 PMAQI
7th Aug 2025239 PMAQI
7th Aug 20252210 PMAQI
7th Aug 20252211 PMAQI
8th Aug 20252212 AMAQI
8th Aug 2025231 AMAQI
8th Aug 2025212 AMAQI
8th Aug 2025223 AMAQI
8th Aug 2025224 AMAQI
8th Aug 2025265 AMAQI
22°C13/35°C
8th Aug 2025226 AMAQI
8th Aug 2025257 AMAQI
8th Aug 2025238 AMAQI
8th Aug 2025249 AMAQI
8th Aug 20252610 AMAQI
8th Aug 20252611 AMAQI
8th Aug 20253012 PMAQI
8th Aug 2025341 PMAQI
8th Aug 2025362 PMAQI
8th Aug 2025363 PMAQI
8th Aug 2025374 PMAQI
8th Aug 2025365 PMAQI
8th Aug 2025346 PMAQI
8th Aug 2025287 PMAQI
8th Aug 2025288 PMAQI
8th Aug 2025359 PMAQI
8th Aug 20253710 PMAQI
8th Aug 20253611 PMAQI
9th Aug 20253612 AMAQI
9th Aug 2025381 AMAQI
9th Aug 2025362 AMAQI
9th Aug 2025353 AMAQI
9th Aug 2025344 AMAQI
9th Aug 2025285 AMAQI
24°C12/39°C
9th Aug 2025316 AMAQI
9th Aug 2025367 AMAQI
9th Aug 2025368 AMAQI
9th Aug 2025369 AMAQI
9th Aug 20253610 AMAQI
9th Aug 20254211 AMAQI
9th Aug 20254412 PMAQI
9th Aug 2025481 PMAQI
9th Aug 2025442 PMAQI
9th Aug 2025463 PMAQI
9th Aug 2025464 PMAQI
9th Aug 2025465 PMAQI
9th Aug 2025456 PMAQI
9th Aug 2025417 PMAQI
9th Aug 2025408 PMAQI
9th Aug 2025399 PMAQI
9th Aug 20253610 PMAQI
9th Aug 20253311 PMAQI
10th Aug 20253112 AMAQI
10th Aug 2025301 AMAQI
10th Aug 2025322 AMAQI
10th Aug 2025293 AMAQI
10th Aug 2025274 AMAQI
10th Aug 2025315 AMAQI
25°C16/38°C
10th Aug 2025346 AMAQI
10th Aug 2025347 AMAQI
10th Aug 2025338 AMAQI
10th Aug 2025349 AMAQI
10th Aug 20253310 AMAQI
10th Aug 20253311 AMAQI
10th Aug 20253212 PMAQI
10th Aug 2025351 PMAQI
10th Aug 2025382 PMAQI
10th Aug 2025383 PMAQI
10th Aug 2025374 PMAQI
10th Aug 2025335 PMAQI
10th Aug 2025306 PMAQI
10th Aug 2025347 PMAQI
10th Aug 2025338 PMAQI
10th Aug 2025349 PMAQI
10th Aug 20253610 PMAQI
10th Aug 20253211 PMAQI
11th Aug 20253012 AMAQI
11th Aug 2025261 AMAQI
11th Aug 2025262 AMAQI
11th Aug 2025253 AMAQI
11th Aug 2025274 AMAQI
11th Aug 2025285 AMAQI
24°C15/39°C
11th Aug 2025306 AMAQI
11th Aug 2025287 AMAQI
11th Aug 2025268 AMAQI
11th Aug 2025279 AMAQI
11th Aug 20252810 AMAQI
11th Aug 20252711 AMAQI
11th Aug 20252912 PMAQI
11th Aug 2025321 PMAQI
11th Aug 2025302 PMAQI
11th Aug 2025343 PMAQI
11th Aug 2025384 PMAQI
11th Aug 2025465 PMAQI
11th Aug 2025526 PMAQI
11th Aug 2025287 PMAQI
11th Aug 2025368 PMAQI
11th Aug 2025429 PMAQI
11th Aug 20254210 PMAQI
11th Aug 20253611 PMAQI
12th Aug 20253312 AMAQI
12th Aug 2025301 AMAQI
12th Aug 2025262 AMAQI
12th Aug 2025283 AMAQI
12th Aug 2025264 AMAQI
12th Aug 2025275 AMAQI
21°C12/35°C
12th Aug 2025316 AMAQI
6 AM12th Aug 2025257 AMAQI
12th Aug 2025328 AMAQI
12th Aug 2025279 AMAQI
12th Aug 20252810 AMAQI
12th Aug 20253211 AMAQI
12th Aug 20253812 PMAQI
12th Aug 2025421 PMAQI
1 PM12th Aug 2025402 PMAQI
12th Aug 2025363 PMAQI
8 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
1 PM - 6 PM
27AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
6 AM - 11 AM
22AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 6 PM (Avg. 27), while the lowest AQI was between 6 AM to 11 AM (Avg. 22).
Night time
Avg. Highest Time
12 AM - 11 PM
24AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 5 AM
23AQI
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. 24), while the lowest AQI was between 12 AM to 5 AM (Avg. 23).
2025 Days Vs Air Quality
Portola Avenue, Livermore, California, United States
2025
99%
137
1%
2
Total number of days with different AQI categories in last 224 days in 2025 (141 days remaining)
Good
137 DaysModerate
2 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% 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
Portola Avenue, Livermore, 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
25AQI
25AQI
2nd March 2025
22AQI
22AQI
3rd March 2025
29AQI
29AQI
4th March 2025
22AQI
22AQI
5th March 2025
24AQI
24AQI
6th March 2025
21AQI
21AQI
1st April 2025
23AQI
23AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
29AQI
29AQI
4th April 2025
25AQI
25AQI
5th April 2025
27AQI
27AQI
6th April 2025
26AQI
26AQI
7th April 2025
22AQI
22AQI
8th April 2025
19AQI
19AQI
9th April 2025
27AQI
27AQI
10th April 2025
34AQI
34AQI
11th April 2025
24AQI
24AQI
12th April 2025
37AQI
37AQI
13th April 2025
38AQI
38AQI
14th April 2025
38AQI
38AQI
15th April 2025
40AQI
40AQI
16th April 2025
41AQI
41AQI
17th April 2025
37AQI
37AQI
18th April 2025
37AQI
37AQI
19th April 2025
41AQI
41AQI
20th April 2025
39AQI
39AQI
21st April 2025
39AQI
39AQI
22nd April 2025
46AQI
46AQI
23rd April 2025
49AQI
49AQI
24th April 2025
46AQI
46AQI
25th April 2025
27AQI
27AQI
26th April 2025
21AQI
21AQI
27th April 2025
25AQI
25AQI
28th April 2025
33AQI
33AQI
29th April 2025
38AQI
38AQI
30th April 2025
46AQI
46AQI
1st May 2025
47AQI
47AQI
2nd May 2025
36AQI
36AQI
3rd May 2025
27AQI
27AQI
4th May 2025
37AQI
37AQI
5th May 2025
33AQI
33AQI
6th May 2025
44AQI
44AQI
7th May 2025
45AQI
45AQI
8th May 2025
25AQI
25AQI
9th May 2025
28AQI
28AQI
10th May 2025
23AQI
23AQI
11th May 2025
22AQI
22AQI
12th May 2025
20AQI
20AQI
13th May 2025
16AQI
16AQI
14th May 2025
20AQI
20AQI
15th May 2025
19AQI
19AQI
16th May 2025
24AQI
24AQI
17th May 2025
25AQI
25AQI
18th May 2025
29AQI
29AQI
19th May 2025
38AQI
38AQI
20th May 2025
31AQI
31AQI
21st May 2025
38AQI
38AQI
22nd May 2025
38AQI
38AQI
23rd May 2025
25AQI
25AQI
24th May 2025
29AQI
29AQI
25th May 2025
23AQI
23AQI
26th May 2025
19AQI
19AQI
27th May 2025
23AQI
23AQI
28th May 2025
30AQI
30AQI
29th May 2025
23AQI
23AQI
30th May 2025
32AQI
32AQI
31st May 2025
41AQI
41AQI
1st June 2025
46AQI
46AQI
2nd June 2025
51AQI
51AQI
3rd June 2025
37AQI
37AQI
4th June 2025
51AQI
51AQI
5th June 2025
44AQI
44AQI
6th June 2025
34AQI
34AQI
7th June 2025
32AQI
32AQI
8th June 2025
25AQI
25AQI
9th June 2025
21AQI
21AQI
10th June 2025
28AQI
28AQI
11th June 2025
48AQI
48AQI
12th June 2025
47AQI
47AQI
13th June 2025
45AQI
45AQI
14th June 2025
40AQI
40AQI
15th June 2025
43AQI
43AQI
16th June 2025
41AQI
41AQI
17th June 2025
33AQI
33AQI
18th June 2025
32AQI
32AQI
19th June 2025
44AQI
44AQI
20th June 2025
41AQI
41AQI
21st June 2025
38AQI
38AQI
22nd June 2025
33AQI
33AQI
23rd June 2025
35AQI
35AQI
24th June 2025
27AQI
27AQI
25th June 2025
28AQI
28AQI
26th June 2025
26AQI
26AQI
27th June 2025
33AQI
33AQI
28th June 2025
37AQI
37AQI
29th June 2025
31AQI
31AQI
30th June 2025
25AQI
25AQI
1st July 2025
27AQI
27AQI
2nd July 2025
27AQI
27AQI
3rd July 2025
40AQI
40AQI
4th July 2025
30AQI
30AQI
5th July 2025
33AQI
33AQI
6th July 2025
24AQI
24AQI
7th July 2025
25AQI
25AQI
8th July 2025
22AQI
22AQI
9th July 2025
21AQI
21AQI
10th July 2025
28AQI
28AQI
11th July 2025
45AQI
45AQI
12th July 2025
45AQI
45AQI
13th July 2025
35AQI
35AQI
14th July 2025
25AQI
25AQI
15th July 2025
24AQI
24AQI
16th July 2025
24AQI
24AQI
17th July 2025
20AQI
20AQI
18th July 2025
21AQI
21AQI
19th July 2025
23AQI
23AQI
20th July 2025
23AQI
23AQI
21st July 2025
25AQI
25AQI
22nd July 2025
15AQI
15AQI
23rd July 2025
15AQI
15AQI
24th July 2025
16AQI
16AQI
25th July 2025
16AQI
16AQI
26th July 2025
15AQI
15AQI
27th July 2025
16AQI
16AQI
28th July 2025
19AQI
19AQI
29th July 2025
24AQI
24AQI
30th July 2025
21AQI
21AQI
31st July 2025
26AQI
26AQI
1st August 2025
25AQI
25AQI
2nd August 2025
22AQI
22AQI
3rd August 2025
24AQI
24AQI
4th August 2025
32AQI
32AQI
5th August 2025
27AQI
27AQI
6th August 2025
30AQI
30AQI
7th August 2025
26AQI
26AQI
8th August 2025
28AQI
28AQI
9th August 2025
38AQI
38AQI
10th August 2025
33AQI
33AQI
11th August 2025
31AQI
31AQI
24AQI
33AQI
29AQI
37AQI
25AQI
29AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202530AQI
6
30
31
28
2
31
11
137
2
Highest AQI recorded in
June37AQI
Lowest AQI recorded in
March24AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
30AQILeast Polluted Year Recorded
2025(Avg.)
30AQIPortola Avenue's annual 2025 AQI (30) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
