San Lorenzo Valley Middle School, Ben Lomond, 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
San Lorenzo Valley Middle School, Ben Lomond, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
80AQILowest AQI recorded on
8th Aug 2021
4AQISame Day Analysis (13th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 32 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 13th Aug - 14th Aug 2025
San Lorenzo Valley Middle School, Ben Lomond, California, United States
AQI
Day
Night
.
6 AM13th Aug 2025
8 PM
5 AM14th Aug 2025
Day time
Avg. Highest Time
5PM13th Aug
52AQI
Avg. Lowest Time
9AM13th Aug
22AQI
Night time
Avg. Highest Time
9PM13th Aug
44AQI
Avg. Lowest Time
5AM14th Aug
21AQI
In the last 24 hours,
San Lorenzo Valley Middle School's AQI reached its highest point of 52 at 5 PM during the Day, while the lowest point, 21, was recorded at 5 AM during the Night between 13th Aug and 14th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
San Lorenzo Valley Middle School, Ben Lomond, 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 2025236 AMAQI
15th Jul 2025227 AMAQI
15th Jul 2025218 AMAQI
15th Jul 2025229 AMAQI
15th Jul 20252210 AMAQI
15th Jul 20252511 AMAQI
15th Jul 20252812 PMAQI
15th Jul 2025321 PMAQI
15th Jul 2025322 PMAQI
15th Jul 2025313 PMAQI
15th Jul 2025374 PMAQI
15th Jul 2025335 PMAQI
15th Jul 2025356 PMAQI
15th Jul 2025277 PMAQI
15th Jul 2025258 PMAQI
15th Jul 2025289 PMAQI
15th Jul 20252710 PMAQI
15th Jul 20252811 PMAQI
16th Jul 20253012 AMAQI
16th Jul 2025291 AMAQI
16th Jul 2025302 AMAQI
16th Jul 2025273 AMAQI
16th Jul 2025264 AMAQI
16th Jul 2025215 AMAQI
--°C/°C
16th Jul 2025196 AMAQI
16th Jul 2025207 AMAQI
16th Jul 2025228 AMAQI
16th Jul 2025239 AMAQI
16th Jul 20252210 AMAQI
16th Jul 20252311 AMAQI
16th Jul 20252812 PMAQI
16th Jul 2025321 PMAQI
16th Jul 2025342 PMAQI
16th Jul 2025333 PMAQI
16th Jul 2025304 PMAQI
16th Jul 2025305 PMAQI
16th Jul 2025296 PMAQI
16th Jul 2025287 PMAQI
16th Jul 2025268 PMAQI
16th Jul 2025269 PMAQI
16th Jul 20252510 PMAQI
16th Jul 20252511 PMAQI
17th Jul 20252512 AMAQI
17th Jul 2025251 AMAQI
17th Jul 2025242 AMAQI
17th Jul 2025233 AMAQI
17th Jul 2025204 AMAQI
17th Jul 2025195 AMAQI
15°C12/18°C
17th Jul 2025186 AMAQI
17th Jul 2025187 AMAQI
17th Jul 2025198 AMAQI
17th Jul 2025189 AMAQI
17th Jul 20251710 AMAQI
17th Jul 20251811 AMAQI
17th Jul 20252212 PMAQI
17th Jul 2025241 PMAQI
17th Jul 2025302 PMAQI
17th Jul 2025283 PMAQI
17th Jul 2025284 PMAQI
17th Jul 2025295 PMAQI
17th Jul 2025296 PMAQI
17th Jul 2025277 PMAQI
17th Jul 2025248 PMAQI
17th Jul 2025289 PMAQI
17th Jul 20252510 PMAQI
17th Jul 20252411 PMAQI
18th Jul 20252312 AMAQI
18th Jul 2025221 AMAQI
18th Jul 2025232 AMAQI
18th Jul 2025223 AMAQI
18th Jul 2025214 AMAQI
18th Jul 2025215 AMAQI
17°C12/23°C
18th Jul 2025206 AMAQI
18th Jul 2025197 AMAQI
18th Jul 2025188 AMAQI
18th Jul 2025179 AMAQI
18th Jul 20251810 AMAQI
18th Jul 20252011 AMAQI
18th Jul 20252512 PMAQI
18th Jul 2025271 PMAQI
18th Jul 2025292 PMAQI
18th Jul 2025303 PMAQI
18th Jul 2025324 PMAQI
18th Jul 2025375 PMAQI
18th Jul 2025366 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025278 PMAQI
18th Jul 2025379 PMAQI
18th Jul 20253010 PMAQI
18th Jul 20252811 PMAQI
19th Jul 20252712 AMAQI
19th Jul 2025241 AMAQI
19th Jul 2025222 AMAQI
19th Jul 2025233 AMAQI
19th Jul 2025194 AMAQI
19th Jul 2025195 AMAQI
18°C14/26°C
19th Jul 2025186 AMAQI
19th Jul 2025217 AMAQI
19th Jul 2025288 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20252010 AMAQI
19th Jul 20251811 AMAQI
19th Jul 20251912 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025212 PMAQI
19th Jul 2025243 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025305 PMAQI
19th Jul 2025326 PMAQI
19th Jul 2025277 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253310 PMAQI
19th Jul 20253311 PMAQI
20th Jul 20253012 AMAQI
20th Jul 2025231 AMAQI
20th Jul 2025202 AMAQI
20th Jul 2025223 AMAQI
20th Jul 2025224 AMAQI
20th Jul 2025195 AMAQI
18°C12/28°C
20th Jul 2025206 AMAQI
20th Jul 2025207 AMAQI
20th Jul 2025218 AMAQI
20th Jul 2025179 AMAQI
20th Jul 20251710 AMAQI
20th Jul 20251611 AMAQI
20th Jul 20251612 PMAQI
20th Jul 2025151 PMAQI
20th Jul 2025152 PMAQI
20th Jul 2025193 PMAQI
20th Jul 2025234 PMAQI
20th Jul 2025215 PMAQI
20th Jul 2025276 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025248 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253210 PMAQI
20th Jul 20252511 PMAQI
21st Jul 20252212 AMAQI
21st Jul 2025211 AMAQI
21st Jul 2025222 AMAQI
21st Jul 2025243 AMAQI
21st Jul 2025274 AMAQI
21st Jul 2025255 AMAQI
16°C12/22°C
21st Jul 2025226 AMAQI
21st Jul 2025207 AMAQI
21st Jul 2025188 AMAQI
21st Jul 2025209 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20252111 AMAQI
21st Jul 20252212 PMAQI
21st Jul 2025191 PMAQI
21st Jul 2025202 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025234 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025226 PMAQI
21st Jul 2025247 PMAQI
21st Jul 2025248 PMAQI
21st Jul 2025249 PMAQI
21st Jul 20252210 PMAQI
21st Jul 20252211 PMAQI
22nd Jul 20252112 AMAQI
22nd Jul 2025191 AMAQI
22nd Jul 2025192 AMAQI
22nd Jul 2025203 AMAQI
22nd Jul 2025194 AMAQI
22nd Jul 2025185 AMAQI
16°C12/22°C
22nd Jul 2025166 AMAQI
22nd Jul 2025147 AMAQI
22nd Jul 2025138 AMAQI
22nd Jul 2025129 AMAQI
22nd Jul 20251310 AMAQI
22nd Jul 20251311 AMAQI
22nd Jul 20251312 PMAQI
22nd Jul 2025141 PMAQI
22nd Jul 2025142 PMAQI
22nd Jul 2025173 PMAQI
22nd Jul 2025184 PMAQI
22nd Jul 2025185 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025177 PMAQI
22nd Jul 2025168 PMAQI
22nd Jul 2025169 PMAQI
22nd Jul 20251610 PMAQI
22nd Jul 20251611 PMAQI
23rd Jul 20251612 AMAQI
23rd Jul 2025181 AMAQI
23rd Jul 2025182 AMAQI
23rd Jul 2025163 AMAQI
23rd Jul 2025134 AMAQI
23rd Jul 2025135 AMAQI
16°C13/20°C
23rd Jul 2025126 AMAQI
23rd Jul 2025127 AMAQI
23rd Jul 2025138 AMAQI
23rd Jul 2025149 AMAQI
23rd Jul 20251410 AMAQI
23rd Jul 20251611 AMAQI
23rd Jul 20251612 PMAQI
23rd Jul 2025171 PMAQI
23rd Jul 2025172 PMAQI
23rd Jul 2025183 PMAQI
23rd Jul 2025184 PMAQI
23rd Jul 2025185 PMAQI
23rd Jul 2025186 PMAQI
23rd Jul 2025177 PMAQI
23rd Jul 2025178 PMAQI
23rd Jul 2025209 PMAQI
23rd Jul 20251710 PMAQI
23rd Jul 20251711 PMAQI
24th Jul 20251712 AMAQI
24th Jul 2025171 AMAQI
24th Jul 2025182 AMAQI
24th Jul 2025183 AMAQI
24th Jul 2025174 AMAQI
24th Jul 2025145 AMAQI
16°C13/20°C
24th Jul 2025126 AMAQI
24th Jul 2025147 AMAQI
24th Jul 2025148 AMAQI
24th Jul 2025149 AMAQI
24th Jul 20251410 AMAQI
24th Jul 20251411 AMAQI
24th Jul 20251612 PMAQI
24th Jul 2025181 PMAQI
24th Jul 2025192 PMAQI
24th Jul 2025213 PMAQI
24th Jul 2025204 PMAQI
24th Jul 2025205 PMAQI
24th Jul 2025216 PMAQI
24th Jul 2025187 PMAQI
24th Jul 2025168 PMAQI
24th Jul 2025179 PMAQI
24th Jul 20251710 PMAQI
24th Jul 20251811 PMAQI
25th Jul 20251812 AMAQI
25th Jul 2025181 AMAQI
25th Jul 2025192 AMAQI
25th Jul 2025173 AMAQI
25th Jul 2025164 AMAQI
25th Jul 2025155 AMAQI
17°C13/22°C
25th Jul 2025146 AMAQI
25th Jul 2025147 AMAQI
25th Jul 2025148 AMAQI
25th Jul 2025169 AMAQI
25th Jul 20251610 AMAQI
25th Jul 20251511 AMAQI
25th Jul 20251512 PMAQI
25th Jul 2025181 PMAQI
25th Jul 2025202 PMAQI
25th Jul 2025203 PMAQI
25th Jul 2025204 PMAQI
25th Jul 2025225 PMAQI
25th Jul 2025236 PMAQI
25th Jul 2025197 PMAQI
25th Jul 2025188 PMAQI
25th Jul 2025189 PMAQI
25th Jul 20251810 PMAQI
25th Jul 20251711 PMAQI
26th Jul 20251812 AMAQI
26th Jul 2025171 AMAQI
26th Jul 2025182 AMAQI
26th Jul 2025183 AMAQI
26th Jul 2025174 AMAQI
26th Jul 2025155 AMAQI
17°C14/23°C
26th Jul 2025146 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 2025131 PMAQI
26th Jul 2025162 PMAQI
26th Jul 2025173 PMAQI
26th Jul 2025164 PMAQI
26th Jul 2025175 PMAQI
26th Jul 2025176 PMAQI
26th Jul 2025167 PMAQI
26th Jul 2025168 PMAQI
26th Jul 2025169 PMAQI
26th Jul 20251610 PMAQI
26th Jul 20251611 PMAQI
27th Jul 20251712 AMAQI
27th Jul 2025161 AMAQI
27th Jul 2025172 AMAQI
27th Jul 2025183 AMAQI
27th Jul 2025174 AMAQI
27th Jul 2025155 AMAQI
17°C14/22°C
27th Jul 2025156 AMAQI
27th Jul 2025167 AMAQI
27th Jul 2025148 AMAQI
27th Jul 2025149 AMAQI
27th Jul 20251510 AMAQI
27th Jul 20251411 AMAQI
27th Jul 20251412 PMAQI
27th Jul 2025151 PMAQI
27th Jul 2025152 PMAQI
27th Jul 2025183 PMAQI
27th Jul 2025174 PMAQI
27th Jul 2025185 PMAQI
27th Jul 2025216 PMAQI
27th Jul 2025187 PMAQI
27th Jul 2025178 PMAQI
27th Jul 2025209 PMAQI
27th Jul 20251610 PMAQI
27th Jul 20251711 PMAQI
28th Jul 20251712 AMAQI
28th Jul 2025181 AMAQI
28th Jul 2025202 AMAQI
28th Jul 2025153 AMAQI
28th Jul 2025144 AMAQI
28th Jul 2025145 AMAQI
17°C13/23°C
28th Jul 2025166 AMAQI
28th Jul 2025177 AMAQI
28th Jul 2025178 AMAQI
28th Jul 2025179 AMAQI
28th Jul 20251610 AMAQI
28th Jul 20251711 AMAQI
28th Jul 20251812 PMAQI
28th Jul 2025181 PMAQI
28th Jul 2025202 PMAQI
28th Jul 2025233 PMAQI
28th Jul 2025244 PMAQI
28th Jul 2025405 PMAQI
28th Jul 2025376 PMAQI
28th Jul 2025217 PMAQI
28th Jul 2025208 PMAQI
28th Jul 2025289 PMAQI
28th Jul 20252610 PMAQI
28th Jul 20252011 PMAQI
29th Jul 20251712 AMAQI
29th Jul 2025181 AMAQI
29th Jul 2025182 AMAQI
29th Jul 2025193 AMAQI
29th Jul 2025204 AMAQI
29th Jul 2025185 AMAQI
20°C14/30°C
29th Jul 2025186 AMAQI
29th Jul 2025197 AMAQI
29th Jul 2025238 AMAQI
29th Jul 2025229 AMAQI
29th Jul 20252510 AMAQI
29th Jul 20252411 AMAQI
29th Jul 20252812 PMAQI
29th Jul 2025261 PMAQI
29th Jul 2025252 PMAQI
29th Jul 2025333 PMAQI
29th Jul 2025354 PMAQI
29th Jul 2025405 PMAQI
29th Jul 2025446 PMAQI
29th Jul 2025267 PMAQI
29th Jul 2025228 PMAQI
29th Jul 2025369 PMAQI
29th Jul 20253210 PMAQI
29th Jul 20252411 PMAQI
30th Jul 20252212 AMAQI
30th Jul 2025241 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025183 AMAQI
30th Jul 2025194 AMAQI
30th Jul 2025185 AMAQI
20°C14/30°C
30th Jul 2025186 AMAQI
30th Jul 2025187 AMAQI
30th Jul 2025188 AMAQI
30th Jul 2025189 AMAQI
30th Jul 20251910 AMAQI
30th Jul 20251911 AMAQI
30th Jul 20252012 PMAQI
30th Jul 2025181 PMAQI
30th Jul 2025182 PMAQI
30th Jul 2025183 PMAQI
30th Jul 2025184 PMAQI
30th Jul 2025185 PMAQI
30th Jul 2025186 PMAQI
30th Jul 2025187 PMAQI
30th Jul 2025188 PMAQI
30th Jul 2025309 PMAQI
30th Jul 20253110 PMAQI
30th Jul 20252211 PMAQI
31st Jul 20252012 AMAQI
31st Jul 2025231 AMAQI
31st Jul 2025282 AMAQI
31st Jul 2025223 AMAQI
31st Jul 2025214 AMAQI
31st Jul 2025185 AMAQI
18°C13/24°C
31st Jul 2025196 AMAQI
31st Jul 2025197 AMAQI
31st Jul 2025208 AMAQI
31st Jul 2025209 AMAQI
31st Jul 20252010 AMAQI
31st Jul 20252311 AMAQI
31st Jul 20252712 PMAQI
31st Jul 2025331 PMAQI
31st Jul 2025372 PMAQI
31st Jul 2025393 PMAQI
31st Jul 2025384 PMAQI
31st Jul 2025375 PMAQI
31st Jul 2025366 PMAQI
31st Jul 2025247 PMAQI
31st Jul 2025328 PMAQI
31st Jul 2025329 PMAQI
31st Jul 20252610 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20252912 AMAQI
1st Aug 2025241 AMAQI
1st Aug 2025202 AMAQI
1st Aug 2025213 AMAQI
1st Aug 2025204 AMAQI
1st Aug 2025245 AMAQI
19°C14/26°C
1st Aug 2025196 AMAQI
1st Aug 2025207 AMAQI
1st Aug 2025208 AMAQI
1st Aug 2025219 AMAQI
1st Aug 20252210 AMAQI
1st Aug 20252111 AMAQI
1st Aug 20252412 PMAQI
1st Aug 2025271 PMAQI
1st Aug 2025292 PMAQI
1st Aug 2025303 PMAQI
1st Aug 2025314 PMAQI
1st Aug 2025345 PMAQI
1st Aug 2025386 PMAQI
1st Aug 2025227 PMAQI
1st Aug 2025298 PMAQI
1st Aug 2025339 PMAQI
1st Aug 20252810 PMAQI
1st Aug 20252711 PMAQI
2nd Aug 20252712 AMAQI
2nd Aug 2025271 AMAQI
2nd Aug 2025282 AMAQI
2nd Aug 2025283 AMAQI
2nd Aug 2025254 AMAQI
2nd Aug 2025235 AMAQI
18°C13/25°C
2nd Aug 2025196 AMAQI
2nd Aug 2025187 AMAQI
2nd Aug 2025188 AMAQI
2nd Aug 2025179 AMAQI
2nd Aug 20251810 AMAQI
2nd Aug 20251911 AMAQI
2nd Aug 20252012 PMAQI
2nd Aug 2025211 PMAQI
2nd Aug 2025242 PMAQI
2nd Aug 2025253 PMAQI
2nd Aug 2025294 PMAQI
2nd Aug 2025305 PMAQI
2nd Aug 2025386 PMAQI
2nd Aug 2025317 PMAQI
2nd Aug 2025298 PMAQI
2nd Aug 2025269 PMAQI
2nd Aug 20252010 PMAQI
2nd Aug 20252211 PMAQI
3rd Aug 20252212 AMAQI
3rd Aug 2025251 AMAQI
3rd Aug 2025242 AMAQI
3rd Aug 2025243 AMAQI
3rd Aug 2025224 AMAQI
3rd Aug 2025225 AMAQI
19°C13/29°C
3rd Aug 2025226 AMAQI
3rd Aug 2025217 AMAQI
3rd Aug 2025188 AMAQI
3rd Aug 2025189 AMAQI
3rd Aug 20251810 AMAQI
3rd Aug 20251811 AMAQI
3rd Aug 20252012 PMAQI
3rd Aug 2025221 PMAQI
3rd Aug 2025212 PMAQI
3rd Aug 2025263 PMAQI
3rd Aug 2025344 PMAQI
3rd Aug 2025425 PMAQI
3rd Aug 2025486 PMAQI
3rd Aug 2025227 PMAQI
3rd Aug 2025238 PMAQI
3rd Aug 2025269 PMAQI
3rd Aug 20252110 PMAQI
3rd Aug 20252211 PMAQI
4th Aug 20252612 AMAQI
4th Aug 2025301 AMAQI
4th Aug 2025312 AMAQI
4th Aug 2025303 AMAQI
4th Aug 2025264 AMAQI
4th Aug 2025275 AMAQI
19°C13/29°C
4th Aug 2025316 AMAQI
4th Aug 2025277 AMAQI
4th Aug 2025268 AMAQI
4th Aug 2025249 AMAQI
4th Aug 20252410 AMAQI
4th Aug 20252911 AMAQI
4th Aug 20253212 PMAQI
4th Aug 2025351 PMAQI
4th Aug 2025412 PMAQI
4th Aug 2025383 PMAQI
4th Aug 2025364 PMAQI
4th Aug 2025335 PMAQI
4th Aug 2025356 PMAQI
4th Aug 2025287 PMAQI
4th Aug 2025318 PMAQI
4th Aug 2025339 PMAQI
4th Aug 20253110 PMAQI
4th Aug 20252911 PMAQI
5th Aug 20252712 AMAQI
5th Aug 2025251 AMAQI
5th Aug 2025252 AMAQI
5th Aug 2025223 AMAQI
5th Aug 2025224 AMAQI
5th Aug 2025225 AMAQI
19°C13/29°C
5th Aug 2025226 AMAQI
5th Aug 2025217 AMAQI
5th Aug 2025208 AMAQI
5th Aug 2025229 AMAQI
5th Aug 20252410 AMAQI
5th Aug 20252411 AMAQI
5th Aug 20253312 PMAQI
5th Aug 2025331 PMAQI
5th Aug 2025302 PMAQI
5th Aug 2025323 PMAQI
5th Aug 2025344 PMAQI
5th Aug 2025445 PMAQI
5th Aug 2025476 PMAQI
5th Aug 2025277 PMAQI
5th Aug 2025318 PMAQI
5th Aug 2025329 PMAQI
5th Aug 20252410 PMAQI
5th Aug 20252211 PMAQI
6th Aug 20252212 AMAQI
6th Aug 2025281 AMAQI
6th Aug 2025292 AMAQI
6th Aug 2025263 AMAQI
6th Aug 2025264 AMAQI
6th Aug 2025245 AMAQI
19°C12/29°C
6th Aug 2025246 AMAQI
6th Aug 2025247 AMAQI
6th Aug 2025288 AMAQI
6th Aug 2025279 AMAQI
6th Aug 20253110 AMAQI
6th Aug 20253211 AMAQI
6th Aug 20252912 PMAQI
6th Aug 2025311 PMAQI
6th Aug 2025312 PMAQI
6th Aug 2025353 PMAQI
6th Aug 2025474 PMAQI
6th Aug 2025575 PMAQI
6th Aug 2025546 PMAQI
6th Aug 2025287 PMAQI
6th Aug 2025398 PMAQI
6th Aug 2025449 PMAQI
6th Aug 20253010 PMAQI
6th Aug 20253211 PMAQI
7th Aug 20253512 AMAQI
7th Aug 2025301 AMAQI
7th Aug 2025292 AMAQI
7th Aug 2025243 AMAQI
7th Aug 2025234 AMAQI
7th Aug 2025255 AMAQI
22°C14/34°C
7th Aug 2025226 AMAQI
7th Aug 2025207 AMAQI
7th Aug 2025208 AMAQI
7th Aug 2025209 AMAQI
7th Aug 20252410 AMAQI
7th Aug 20253111 AMAQI
7th Aug 20253212 PMAQI
7th Aug 2025341 PMAQI
7th Aug 2025362 PMAQI
7th Aug 2025343 PMAQI
7th Aug 2025344 PMAQI
7th Aug 2025425 PMAQI
7th Aug 2025526 PMAQI
7th Aug 2025327 PMAQI
7th Aug 2025278 PMAQI
7th Aug 2025259 PMAQI
7th Aug 20252510 PMAQI
7th Aug 20252411 PMAQI
8th Aug 20252312 AMAQI
8th Aug 2025241 AMAQI
8th Aug 2025242 AMAQI
8th Aug 2025213 AMAQI
8th Aug 2025204 AMAQI
8th Aug 2025215 AMAQI
21°C16/30°C
8th Aug 2025226 AMAQI
8th Aug 2025227 AMAQI
8th Aug 2025228 AMAQI
8th Aug 2025229 AMAQI
8th Aug 20252410 AMAQI
8th Aug 20253111 AMAQI
8th Aug 20253512 PMAQI
8th Aug 2025481 PMAQI
8th Aug 2025442 PMAQI
8th Aug 2025383 PMAQI
8th Aug 2025404 PMAQI
8th Aug 2025425 PMAQI
8th Aug 2025486 PMAQI
8th Aug 2025327 PMAQI
8th Aug 2025328 PMAQI
8th Aug 2025519 PMAQI
8th Aug 20254910 PMAQI
8th Aug 20253711 PMAQI
9th Aug 20253112 AMAQI
9th Aug 2025341 AMAQI
9th Aug 2025362 AMAQI
9th Aug 2025373 AMAQI
9th Aug 2025414 AMAQI
9th Aug 2025375 AMAQI
19°C13/28°C
9th Aug 2025366 AMAQI
9th Aug 2025407 AMAQI
9th Aug 2025398 AMAQI
9th Aug 2025399 AMAQI
9th Aug 20253810 AMAQI
9th Aug 20254211 AMAQI
9th Aug 20254212 PMAQI
9th Aug 2025441 PMAQI
9th Aug 2025422 PMAQI
9th Aug 2025423 PMAQI
9th Aug 2025444 PMAQI
9th Aug 2025415 PMAQI
9th Aug 2025456 PMAQI
9th Aug 2025477 PMAQI
9th Aug 2025398 PMAQI
9th Aug 2025369 PMAQI
9th Aug 20253410 PMAQI
9th Aug 20253211 PMAQI
10th Aug 20253212 AMAQI
10th Aug 2025381 AMAQI
10th Aug 2025302 AMAQI
10th Aug 2025303 AMAQI
10th Aug 2025294 AMAQI
10th Aug 2025305 AMAQI
19°C14/26°C
10th Aug 2025286 AMAQI
10th Aug 2025287 AMAQI
10th Aug 2025288 AMAQI
10th Aug 2025289 AMAQI
10th Aug 20252710 AMAQI
10th Aug 20252911 AMAQI
10th Aug 20253012 PMAQI
10th Aug 2025341 PMAQI
10th Aug 2025342 PMAQI
10th Aug 2025363 PMAQI
10th Aug 2025354 PMAQI
10th Aug 2025405 PMAQI
10th Aug 2025476 PMAQI
10th Aug 2025397 PMAQI
10th Aug 2025368 PMAQI
10th Aug 2025439 PMAQI
10th Aug 20253810 PMAQI
10th Aug 20254311 PMAQI
11th Aug 20253812 AMAQI
11th Aug 2025301 AMAQI
11th Aug 2025312 AMAQI
11th Aug 2025313 AMAQI
11th Aug 2025364 AMAQI
11th Aug 2025375 AMAQI
20°C15/29°C
11th Aug 2025366 AMAQI
11th Aug 2025387 AMAQI
11th Aug 2025388 AMAQI
11th Aug 2025329 AMAQI
11th Aug 20253110 AMAQI
11th Aug 20252311 AMAQI
11th Aug 20252612 PMAQI
11th Aug 2025301 PMAQI
11th Aug 2025332 PMAQI
11th Aug 2025353 PMAQI
11th Aug 2025464 PMAQI
11th Aug 2025545 PMAQI
11th Aug 2025576 PMAQI
11th Aug 2025367 PMAQI
11th Aug 2025428 PMAQI
11th Aug 2025469 PMAQI
11th Aug 20254610 PMAQI
11th Aug 20253811 PMAQI
12th Aug 20253412 AMAQI
12th Aug 2025331 AMAQI
12th Aug 2025302 AMAQI
12th Aug 2025303 AMAQI
12th Aug 2025274 AMAQI
12th Aug 2025265 AMAQI
21°C13/31°C
12th Aug 2025326 AMAQI
12th Aug 2025257 AMAQI
12th Aug 2025268 AMAQI
12th Aug 2025269 AMAQI
12th Aug 20252610 AMAQI
12th Aug 20253211 AMAQI
12th Aug 20253812 PMAQI
12th Aug 2025421 PMAQI
12th Aug 2025412 PMAQI
12th Aug 2025403 PMAQI
12th Aug 2025484 PMAQI
12th Aug 2025555 PMAQI
12th Aug 2025576 PMAQI
12th Aug 2025327 PMAQI
12th Aug 2025458 PMAQI
12th Aug 2025459 PMAQI
12th Aug 20254310 PMAQI
12th Aug 20253211 PMAQI
13th Aug 20253312 AMAQI
13th Aug 2025301 AMAQI
13th Aug 2025272 AMAQI
13th Aug 2025263 AMAQI
13th Aug 2025284 AMAQI
13th Aug 2025285 AMAQI
21°C14/31°C
13th Aug 2025246 AMAQI
13th Aug 2025237 AMAQI
13th Aug 2025228 AMAQI
13th Aug 2025229 AMAQI
13th Aug 20252310 AMAQI
13th Aug 20252511 AMAQI
13th Aug 20252912 PMAQI
13th Aug 2025281 PMAQI
13th Aug 2025302 PMAQI
13th Aug 2025383 PMAQI
13th Aug 2025514 PMAQI
13th Aug 2025525 PMAQI
13th Aug 2025496 PMAQI
13th Aug 2025297 PMAQI
13th Aug 2025408 PMAQI
13th Aug 2025449 PMAQI
13th Aug 20253610 PMAQI
13th Aug 20253011 PMAQI
14th Aug 20252812 AMAQI
14th Aug 2025251 AMAQI
14th Aug 2025222 AMAQI
14th Aug 2025233 AMAQI
14th Aug 2025214 AMAQI
14th Aug 2025215 AMAQI
19°C14/26°C
14th Aug 2025196 AMAQI
6 AM14th Aug 2025167 AMAQI
14th Aug 2025168 AMAQI
14th Aug 2025169 AMAQI
14th Aug 20251710 AMAQI
14th Aug 20251911 AMAQI
14th Aug 20252012 PMAQI
14th Aug 2025241 PMAQI
1 PM14th Aug 2025302 PMAQI
14th Aug 2025443 PMAQI
14th Aug 2025524 PMAQI
14th Aug 2025485 PMAQI
14th Aug 2025526 PMAQI
14th Aug 2025257 PMAQI
14th Aug 2025288 PMAQI
8 PM1 AM
5 AM
18°C14/25°C
Day time
Avg. Highest Time
6 PM
36AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM - 11 AM
21AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 6 PM (Avg. 36), while the lowest AQI was between 6 AM to 11 AM (Avg. 21).
Night time
Avg. Highest Time
9 PM
31AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM - 5 AM
24AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 9 PM (Avg. 31), while the lowest AQI was between 12 AM to 5 AM (Avg. 24).
2025 Days Vs Air Quality
San Lorenzo Valley Middle School, Ben Lomond, California, United States
2025
96%
217
4%
8
Total number of days with different AQI categories in last 227 days in 2025 (138 days remaining)
Good
217 DaysModerate
8 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 227 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
San Lorenzo Valley Middle School, Ben Lomond, 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
45AQI
45AQI
2nd January 2025
41AQI
41AQI
3rd January 2025
43AQI
43AQI
4th January 2025
27AQI
27AQI
5th January 2025
31AQI
31AQI
6th January 2025
33AQI
33AQI
7th January 2025
26AQI
26AQI
8th January 2025
31AQI
31AQI
9th January 2025
41AQI
41AQI
10th January 2025
41AQI
41AQI
11th January 2025
34AQI
34AQI
12th January 2025
35AQI
35AQI
13th January 2025
35AQI
35AQI
14th January 2025
39AQI
39AQI
15th January 2025
49AQI
49AQI
16th January 2025
45AQI
45AQI
17th January 2025
52AQI
52AQI
18th January 2025
49AQI
49AQI
19th January 2025
57AQI
57AQI
20th January 2025
42AQI
42AQI
21st January 2025
46AQI
46AQI
22nd January 2025
49AQI
49AQI
23rd January 2025
54AQI
54AQI
24th January 2025
56AQI
56AQI
25th January 2025
53AQI
53AQI
26th January 2025
37AQI
37AQI
27th January 2025
43AQI
43AQI
28th January 2025
55AQI
55AQI
29th January 2025
42AQI
42AQI
30th January 2025
45AQI
45AQI
31st January 2025
48AQI
48AQI
1st February 2025
31AQI
31AQI
2nd February 2025
23AQI
23AQI
3rd February 2025
21AQI
21AQI
4th February 2025
20AQI
20AQI
5th February 2025
22AQI
22AQI
6th February 2025
25AQI
25AQI
7th February 2025
22AQI
22AQI
8th February 2025
24AQI
24AQI
9th February 2025
31AQI
31AQI
10th February 2025
31AQI
31AQI
11th February 2025
30AQI
30AQI
12th February 2025
23AQI
23AQI
13th February 2025
27AQI
27AQI
14th February 2025
23AQI
23AQI
15th February 2025
26AQI
26AQI
16th February 2025
30AQI
30AQI
17th February 2025
26AQI
26AQI
18th February 2025
29AQI
29AQI
19th February 2025
30AQI
30AQI
20th February 2025
24AQI
24AQI
21st February 2025
27AQI
27AQI
22nd February 2025
28AQI
28AQI
23rd February 2025
25AQI
25AQI
24th February 2025
23AQI
23AQI
25th February 2025
23AQI
23AQI
26th February 2025
26AQI
26AQI
27th February 2025
30AQI
30AQI
28th February 2025
30AQI
30AQI
1st March 2025
31AQI
31AQI
2nd March 2025
23AQI
23AQI
3rd March 2025
22AQI
22AQI
4th March 2025
22AQI
22AQI
5th March 2025
21AQI
21AQI
6th March 2025
22AQI
22AQI
7th March 2025
25AQI
25AQI
8th March 2025
27AQI
27AQI
9th March 2025
27AQI
27AQI
10th March 2025
25AQI
25AQI
11th March 2025
27AQI
27AQI
12th March 2025
24AQI
24AQI
13th March 2025
20AQI
20AQI
14th March 2025
19AQI
19AQI
15th March 2025
37AQI
37AQI
16th March 2025
36AQI
36AQI
17th March 2025
18AQI
18AQI
18th March 2025
21AQI
21AQI
19th March 2025
19AQI
19AQI
20th March 2025
18AQI
18AQI
21st March 2025
21AQI
21AQI
22nd March 2025
20AQI
20AQI
23rd March 2025
26AQI
26AQI
24th March 2025
22AQI
22AQI
25th March 2025
25AQI
25AQI
26th March 2025
24AQI
24AQI
27th March 2025
19AQI
19AQI
28th March 2025
19AQI
19AQI
29th March 2025
18AQI
18AQI
30th March 2025
16AQI
16AQI
31st March 2025
19AQI
19AQI
1st April 2025
17AQI
17AQI
2nd April 2025
18AQI
18AQI
3rd April 2025
21AQI
21AQI
4th April 2025
20AQI
20AQI
5th April 2025
23AQI
23AQI
6th April 2025
23AQI
23AQI
7th April 2025
16AQI
16AQI
8th April 2025
15AQI
15AQI
9th April 2025
18AQI
18AQI
10th April 2025
23AQI
23AQI
11th April 2025
19AQI
19AQI
12th April 2025
31AQI
31AQI
13th April 2025
28AQI
28AQI
14th April 2025
26AQI
26AQI
15th April 2025
25AQI
25AQI
16th April 2025
26AQI
26AQI
17th April 2025
23AQI
23AQI
18th April 2025
26AQI
26AQI
19th April 2025
26AQI
26AQI
20th April 2025
25AQI
25AQI
21st April 2025
26AQI
26AQI
22nd April 2025
26AQI
26AQI
23rd April 2025
34AQI
34AQI
24th April 2025
28AQI
28AQI
25th April 2025
21AQI
21AQI
26th April 2025
15AQI
15AQI
27th April 2025
16AQI
16AQI
28th April 2025
22AQI
22AQI
29th April 2025
26AQI
26AQI
30th April 2025
25AQI
25AQI
1st May 2025
30AQI
30AQI
2nd May 2025
29AQI
29AQI
3rd May 2025
22AQI
22AQI
4th May 2025
39AQI
39AQI
5th May 2025
30AQI
30AQI
6th May 2025
45AQI
45AQI
7th May 2025
41AQI
41AQI
8th May 2025
33AQI
33AQI
9th May 2025
29AQI
29AQI
10th May 2025
31AQI
31AQI
11th May 2025
24AQI
24AQI
12th May 2025
22AQI
22AQI
13th May 2025
18AQI
18AQI
14th May 2025
23AQI
23AQI
15th May 2025
28AQI
28AQI
16th May 2025
34AQI
34AQI
17th May 2025
22AQI
22AQI
18th May 2025
25AQI
25AQI
19th May 2025
33AQI
33AQI
20th May 2025
24AQI
24AQI
21st May 2025
34AQI
34AQI
22nd May 2025
30AQI
30AQI
23rd May 2025
25AQI
25AQI
24th May 2025
29AQI
29AQI
25th May 2025
23AQI
23AQI
26th May 2025
18AQI
18AQI
27th May 2025
23AQI
23AQI
28th May 2025
29AQI
29AQI
29th May 2025
27AQI
27AQI
30th May 2025
39AQI
39AQI
31st May 2025
52AQI
52AQI
1st June 2025
47AQI
47AQI
2nd June 2025
48AQI
48AQI
3rd June 2025
47AQI
47AQI
4th June 2025
53AQI
53AQI
5th June 2025
41AQI
41AQI
6th June 2025
37AQI
37AQI
7th June 2025
32AQI
32AQI
8th June 2025
27AQI
27AQI
9th June 2025
23AQI
23AQI
10th June 2025
32AQI
32AQI
11th June 2025
37AQI
37AQI
12th June 2025
43AQI
43AQI
13th June 2025
44AQI
44AQI
14th June 2025
41AQI
41AQI
15th June 2025
38AQI
38AQI
16th June 2025
37AQI
37AQI
17th June 2025
36AQI
36AQI
18th June 2025
33AQI
33AQI
19th June 2025
42AQI
42AQI
20th June 2025
42AQI
42AQI
21st June 2025
34AQI
34AQI
22nd June 2025
31AQI
31AQI
23rd June 2025
34AQI
34AQI
24th June 2025
26AQI
26AQI
25th June 2025
26AQI
26AQI
26th June 2025
27AQI
27AQI
27th June 2025
35AQI
35AQI
28th June 2025
42AQI
42AQI
29th June 2025
35AQI
35AQI
30th June 2025
29AQI
29AQI
1st July 2025
30AQI
30AQI
2nd July 2025
28AQI
28AQI
3rd July 2025
41AQI
41AQI
4th July 2025
29AQI
29AQI
5th July 2025
36AQI
36AQI
6th July 2025
29AQI
29AQI
7th July 2025
28AQI
28AQI
8th July 2025
25AQI
25AQI
9th July 2025
25AQI
25AQI
10th July 2025
28AQI
28AQI
11th July 2025
37AQI
37AQI
12th July 2025
41AQI
41AQI
13th July 2025
38AQI
38AQI
14th July 2025
29AQI
29AQI
15th July 2025
27AQI
27AQI
16th July 2025
27AQI
27AQI
17th July 2025
24AQI
24AQI
18th July 2025
26AQI
26AQI
19th July 2025
25AQI
25AQI
20th July 2025
22AQI
22AQI
21st July 2025
22AQI
22AQI
22nd July 2025
17AQI
17AQI
23rd July 2025
16AQI
16AQI
24th July 2025
17AQI
17AQI
25th July 2025
18AQI
18AQI
26th July 2025
16AQI
16AQI
27th July 2025
17AQI
17AQI
28th July 2025
21AQI
21AQI
29th July 2025
26AQI
26AQI
30th July 2025
21AQI
21AQI
31st July 2025
26AQI
26AQI
1st August 2025
26AQI
26AQI
2nd August 2025
25AQI
25AQI
3rd August 2025
25AQI
25AQI
4th August 2025
30AQI
30AQI
5th August 2025
28AQI
28AQI
6th August 2025
33AQI
33AQI
7th August 2025
29AQI
29AQI
8th August 2025
32AQI
32AQI
9th August 2025
39AQI
39AQI
10th August 2025
34AQI
34AQI
11th August 2025
38AQI
38AQI
12th August 2025
36AQI
36AQI
13th August 2025
32AQI
32AQI
43AQI
26AQI
23AQI
23AQI
29AQI
37AQI
26AQI
31AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202530AQI
25
6
28
31
30
30
1
29
1
31
13
217
8
Highest AQI recorded in
January43AQI
Lowest AQI recorded in
April23AQI
202427AQI
30
23
29
30
31
28
1
29
2
31
30
31
28
2
23
8
343
13
Highest AQI recorded in
December41AQI
Lowest AQI recorded in
March15AQI
202324AQI
30
28
28
27
31
29
25
28
2
24
3
1
25
27
28
3
330
8
1
Highest AQI recorded in
September28AQI
Lowest AQI recorded in
June18AQI
202223AQI
27
3
21
1
31
26
31
30
24
2
19
1
13
26
3
23
4
273
12
Highest AQI recorded in
January33AQI
Lowest AQI recorded in
June15AQI
202125AQI
26
3
1
26
1
31
30
30
1
30
31
30
1
27
3
31
28
2
26
346
11
1
Highest AQI recorded in
January34AQI
Lowest AQI recorded in
October17AQI
202048AQI
4
7
2
3
1
2
19
3
28
2
21
5
1
19
11
1
91
26
6
3
1
2
Highest AQI recorded in
August120AQI
Lowest AQI recorded in
October30AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
48AQILeast Polluted Year Recorded
2022(Avg.)
23AQISan Lorenzo Valley Middle School's annual 2025 AQI (30) shows an average percentage change of 10.3% (worsened AQI) compared to previous years: 2020 (48), 2021 (25), 2022 (23), 2023 (24), 2024 (27).
