Gilroy, 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
Gilroy, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
95AQILowest AQI recorded on
1st Aug 2022
8AQISame Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 31 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 8th Aug - 9th Aug 2025
Gilroy, California, United States
AQI
Day
Night
.
6 AM8th Aug 2025
8 PM
5 AM9th Aug 2025
Day time
Avg. Highest Time
3PM8th Aug
37AQI
Avg. Lowest Time
8AM8th Aug
21AQI
Night time
Avg. Highest Time
11PM8th Aug
53AQI
Avg. Lowest Time
9PM8th Aug
48AQI
In the last 24 hours,
Gilroy's AQI reached its highest point of 53 at 11 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 8th Aug and 9th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Gilroy, California, United States
JulAug
10th - 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 - 06th06th - 07th07th - 08th08th - 09th09th
Day
Night
10th Jul 2025306 AMAQI
10th Jul 2025277 AMAQI
10th Jul 2025268 AMAQI
10th Jul 2025319 AMAQI
10th Jul 20253110 AMAQI
10th Jul 20253011 AMAQI
10th Jul 20253412 PMAQI
10th Jul 2025381 PMAQI
10th Jul 2025402 PMAQI
10th Jul 2025423 PMAQI
10th Jul 2025424 PMAQI
10th Jul 2025415 PMAQI
10th Jul 2025396 PMAQI
10th Jul 2025357 PMAQI
10th Jul 2025328 PMAQI
10th Jul 2025389 PMAQI
10th Jul 20253810 PMAQI
10th Jul 20253911 PMAQI
11th Jul 20253912 AMAQI
11th Jul 2025401 AMAQI
11th Jul 2025382 AMAQI
11th Jul 2025343 AMAQI
11th Jul 2025354 AMAQI
11th Jul 2025355 AMAQI
22°C10/37°C
11th Jul 2025476 AMAQI
11th Jul 2025387 AMAQI
11th Jul 2025448 AMAQI
11th Jul 2025479 AMAQI
11th Jul 20254910 AMAQI
11th Jul 20254611 AMAQI
11th Jul 20254412 PMAQI
11th Jul 2025511 PMAQI
11th Jul 2025482 PMAQI
11th Jul 2025523 PMAQI
11th Jul 2025534 PMAQI
11th Jul 2025535 PMAQI
11th Jul 2025526 PMAQI
11th Jul 2025507 PMAQI
11th Jul 2025488 PMAQI
11th Jul 2025489 PMAQI
11th Jul 20254810 PMAQI
11th Jul 20254811 PMAQI
12th Jul 20255012 AMAQI
12th Jul 2025531 AMAQI
12th Jul 2025512 AMAQI
12th Jul 2025473 AMAQI
12th Jul 2025464 AMAQI
12th Jul 2025445 AMAQI
21°C11/34°C
12th Jul 2025476 AMAQI
12th Jul 2025497 AMAQI
12th Jul 2025448 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20254410 AMAQI
12th Jul 20254211 AMAQI
12th Jul 20253812 PMAQI
12th Jul 2025351 PMAQI
12th Jul 2025412 PMAQI
12th Jul 2025483 PMAQI
12th Jul 2025464 PMAQI
12th Jul 2025465 PMAQI
12th Jul 2025456 PMAQI
12th Jul 2025457 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025469 PMAQI
12th Jul 20254910 PMAQI
12th Jul 20254711 PMAQI
13th Jul 20254712 AMAQI
13th Jul 2025481 AMAQI
13th Jul 2025492 AMAQI
13th Jul 2025483 AMAQI
13th Jul 2025344 AMAQI
13th Jul 2025315 AMAQI
17°C11/29°C
13th Jul 2025326 AMAQI
13th Jul 2025327 AMAQI
13th Jul 2025328 AMAQI
13th Jul 2025349 AMAQI
13th Jul 20253410 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20253812 PMAQI
13th Jul 2025361 PMAQI
13th Jul 2025372 PMAQI
13th Jul 2025383 PMAQI
13th Jul 2025404 PMAQI
13th Jul 2025425 PMAQI
13th Jul 2025436 PMAQI
13th Jul 2025407 PMAQI
13th Jul 2025388 PMAQI
13th Jul 2025409 PMAQI
13th Jul 20253610 PMAQI
13th Jul 20253011 PMAQI
14th Jul 20253612 AMAQI
14th Jul 2025401 AMAQI
14th Jul 2025302 AMAQI
14th Jul 2025313 AMAQI
14th Jul 2025224 AMAQI
14th Jul 2025235 AMAQI
19°C13/31°C
14th Jul 2025196 AMAQI
14th Jul 2025227 AMAQI
14th Jul 2025218 AMAQI
14th Jul 2025239 AMAQI
14th Jul 20252410 AMAQI
14th Jul 20252511 AMAQI
14th Jul 20252712 PMAQI
14th Jul 2025311 PMAQI
14th Jul 2025362 PMAQI
14th Jul 2025403 PMAQI
14th Jul 2025424 PMAQI
14th Jul 2025425 PMAQI
14th Jul 2025446 PMAQI
14th Jul 2025347 PMAQI
14th Jul 2025318 PMAQI
14th Jul 2025329 PMAQI
14th Jul 20253010 PMAQI
14th Jul 20253011 PMAQI
15th Jul 20252912 AMAQI
15th Jul 2025281 AMAQI
15th Jul 2025322 AMAQI
15th Jul 2025293 AMAQI
15th Jul 2025244 AMAQI
15th Jul 2025245 AMAQI
20°C12/32°C
15th Jul 2025276 AMAQI
15th Jul 2025267 AMAQI
15th Jul 2025248 AMAQI
15th Jul 2025279 AMAQI
15th Jul 20253010 AMAQI
15th Jul 20252911 AMAQI
15th Jul 20252612 PMAQI
15th Jul 2025251 PMAQI
15th Jul 2025262 PMAQI
15th Jul 2025303 PMAQI
15th Jul 2025284 PMAQI
15th Jul 2025305 PMAQI
15th Jul 2025326 PMAQI
15th Jul 2025307 PMAQI
15th Jul 2025298 PMAQI
15th Jul 2025259 PMAQI
15th Jul 20253010 PMAQI
15th Jul 20252611 PMAQI
16th Jul 20252612 AMAQI
16th Jul 2025281 AMAQI
16th Jul 2025282 AMAQI
16th Jul 2025273 AMAQI
16th Jul 2025244 AMAQI
16th Jul 2025215 AMAQI
16°C12/24°C
16th Jul 2025216 AMAQI
16th Jul 2025207 AMAQI
16th Jul 2025208 AMAQI
16th Jul 2025199 AMAQI
16th Jul 20252010 AMAQI
16th Jul 20252111 AMAQI
16th Jul 20252312 PMAQI
16th Jul 2025301 PMAQI
16th Jul 2025282 PMAQI
16th Jul 2025293 PMAQI
16th Jul 2025294 PMAQI
16th Jul 2025295 PMAQI
16th Jul 2025306 PMAQI
16th Jul 2025247 PMAQI
16th Jul 2025238 PMAQI
16th Jul 2025249 PMAQI
16th Jul 20252010 PMAQI
16th Jul 20252211 PMAQI
17th Jul 20252412 AMAQI
17th Jul 2025251 AMAQI
17th Jul 2025222 AMAQI
17th Jul 2025203 AMAQI
17th Jul 2025174 AMAQI
17th Jul 2025185 AMAQI
16°C13/22°C
17th Jul 2025186 AMAQI
17th Jul 2025177 AMAQI
17th Jul 2025198 AMAQI
17th Jul 2025209 AMAQI
17th Jul 20252210 AMAQI
17th Jul 20252411 AMAQI
17th Jul 20252412 PMAQI
17th Jul 2025241 PMAQI
17th Jul 2025262 PMAQI
17th Jul 2025263 PMAQI
17th Jul 2025264 PMAQI
17th Jul 2025255 PMAQI
17th Jul 2025266 PMAQI
17th Jul 2025227 PMAQI
17th Jul 2025228 PMAQI
17th Jul 2025239 PMAQI
17th Jul 20252510 PMAQI
17th Jul 20252611 PMAQI
18th Jul 20252312 AMAQI
18th Jul 2025221 AMAQI
18th Jul 2025232 AMAQI
18th Jul 2025243 AMAQI
18th Jul 2025224 AMAQI
18th Jul 2025225 AMAQI
19°C12/29°C
18th Jul 2025226 AMAQI
18th Jul 2025197 AMAQI
18th Jul 2025208 AMAQI
18th Jul 2025199 AMAQI
18th Jul 20251910 AMAQI
18th Jul 20252111 AMAQI
18th Jul 20252412 PMAQI
18th Jul 2025241 PMAQI
18th Jul 2025252 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025244 PMAQI
18th Jul 2025305 PMAQI
18th Jul 2025346 PMAQI
18th Jul 2025247 PMAQI
18th Jul 2025248 PMAQI
18th Jul 2025339 PMAQI
18th Jul 20253110 PMAQI
18th Jul 20252611 PMAQI
19th Jul 20252412 AMAQI
19th Jul 2025251 AMAQI
19th Jul 2025322 AMAQI
19th Jul 2025303 AMAQI
19th Jul 2025304 AMAQI
19th Jul 2025235 AMAQI
19°C13/28°C
19th Jul 2025236 AMAQI
19th Jul 2025227 AMAQI
19th Jul 2025278 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20253210 AMAQI
19th Jul 20253511 AMAQI
19th Jul 20253612 PMAQI
19th Jul 2025371 PMAQI
19th Jul 2025372 PMAQI
19th Jul 2025343 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025355 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025317 PMAQI
19th Jul 2025328 PMAQI
19th Jul 2025329 PMAQI
19th Jul 20252810 PMAQI
19th Jul 20252611 PMAQI
20th Jul 20252612 AMAQI
20th Jul 2025241 AMAQI
20th Jul 2025222 AMAQI
20th Jul 2025213 AMAQI
20th Jul 2025234 AMAQI
20th Jul 2025305 AMAQI
18°C12/29°C
20th Jul 2025306 AMAQI
20th Jul 2025307 AMAQI
20th Jul 2025258 AMAQI
20th Jul 2025229 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20251911 AMAQI
20th Jul 20251812 PMAQI
20th Jul 2025181 PMAQI
20th Jul 2025182 PMAQI
20th Jul 2025213 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025215 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025228 PMAQI
20th Jul 2025269 PMAQI
20th Jul 20252910 PMAQI
20th Jul 20253011 PMAQI
21st Jul 20252912 AMAQI
21st Jul 2025261 AMAQI
21st Jul 2025262 AMAQI
21st Jul 2025283 AMAQI
21st Jul 2025254 AMAQI
21st Jul 2025255 AMAQI
16°C12/24°C
21st Jul 2025266 AMAQI
21st Jul 2025267 AMAQI
21st Jul 2025248 AMAQI
21st Jul 2025279 AMAQI
21st Jul 20252810 AMAQI
21st Jul 20252811 AMAQI
21st Jul 20253012 PMAQI
21st Jul 2025241 PMAQI
21st Jul 2025242 PMAQI
21st Jul 2025263 PMAQI
21st Jul 2025284 PMAQI
21st Jul 2025275 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025257 PMAQI
21st Jul 2025248 PMAQI
21st Jul 2025209 PMAQI
21st Jul 20252010 PMAQI
21st Jul 20252411 PMAQI
22nd Jul 20252312 AMAQI
22nd Jul 2025241 AMAQI
22nd Jul 2025192 AMAQI
22nd Jul 2025183 AMAQI
22nd Jul 2025144 AMAQI
22nd Jul 2025125 AMAQI
17°C13/25°C
22nd Jul 2025136 AMAQI
22nd Jul 2025147 AMAQI
22nd Jul 2025138 AMAQI
22nd Jul 2025139 AMAQI
22nd Jul 20251410 AMAQI
22nd Jul 20251411 AMAQI
22nd Jul 20251412 PMAQI
22nd Jul 2025151 PMAQI
22nd Jul 2025152 PMAQI
22nd Jul 2025193 PMAQI
22nd Jul 2025184 PMAQI
22nd Jul 2025195 PMAQI
22nd Jul 2025176 PMAQI
22nd Jul 2025177 PMAQI
22nd Jul 2025168 PMAQI
22nd Jul 2025159 PMAQI
22nd Jul 20251610 PMAQI
22nd Jul 20251611 PMAQI
23rd Jul 20251912 AMAQI
23rd Jul 2025171 AMAQI
23rd Jul 2025162 AMAQI
23rd Jul 2025153 AMAQI
23rd Jul 2025134 AMAQI
23rd Jul 2025145 AMAQI
18°C13/24°C
23rd Jul 2025126 AMAQI
23rd Jul 2025137 AMAQI
23rd Jul 2025148 AMAQI
23rd Jul 2025149 AMAQI
23rd Jul 20251410 AMAQI
23rd Jul 20251511 AMAQI
23rd Jul 20251612 PMAQI
23rd Jul 2025161 PMAQI
23rd Jul 2025192 PMAQI
23rd Jul 2025193 PMAQI
23rd Jul 2025194 PMAQI
23rd Jul 2025185 PMAQI
23rd Jul 2025196 PMAQI
23rd Jul 2025187 PMAQI
23rd Jul 2025168 PMAQI
23rd Jul 2025189 PMAQI
23rd Jul 20251610 PMAQI
23rd Jul 20251711 PMAQI
24th Jul 20251612 AMAQI
24th Jul 2025171 AMAQI
24th Jul 2025162 AMAQI
24th Jul 2025163 AMAQI
24th Jul 2025154 AMAQI
24th Jul 2025185 AMAQI
18°C14/25°C
24th Jul 2025176 AMAQI
24th Jul 2025197 AMAQI
24th Jul 2025198 AMAQI
24th Jul 2025209 AMAQI
24th Jul 20251910 AMAQI
24th Jul 20251611 AMAQI
24th Jul 20251612 PMAQI
24th Jul 2025181 PMAQI
24th Jul 2025212 PMAQI
24th Jul 2025213 PMAQI
24th Jul 2025194 PMAQI
24th Jul 2025185 PMAQI
24th Jul 2025206 PMAQI
24th Jul 2025197 PMAQI
24th Jul 2025198 PMAQI
24th Jul 2025229 PMAQI
24th Jul 20252010 PMAQI
24th Jul 20251911 PMAQI
25th Jul 20251812 AMAQI
25th Jul 2025171 AMAQI
25th Jul 2025172 AMAQI
25th Jul 2025183 AMAQI
25th Jul 2025204 AMAQI
25th Jul 2025235 AMAQI
18°C14/25°C
25th Jul 2025226 AMAQI
25th Jul 2025177 AMAQI
25th Jul 2025168 AMAQI
25th Jul 2025179 AMAQI
25th Jul 20251910 AMAQI
25th Jul 20251711 AMAQI
25th Jul 20251712 PMAQI
25th Jul 2025161 PMAQI
25th Jul 2025172 PMAQI
25th Jul 2025193 PMAQI
25th Jul 2025194 PMAQI
25th Jul 2025185 PMAQI
25th Jul 2025196 PMAQI
25th Jul 2025187 PMAQI
25th Jul 2025198 PMAQI
25th Jul 2025249 PMAQI
25th Jul 20252410 PMAQI
25th Jul 20252111 PMAQI
26th Jul 20252012 AMAQI
26th Jul 2025191 AMAQI
26th Jul 2025202 AMAQI
26th Jul 2025223 AMAQI
26th Jul 2025184 AMAQI
26th Jul 2025165 AMAQI
18°C13/25°C
26th Jul 2025166 AMAQI
26th Jul 2025177 AMAQI
26th Jul 2025168 AMAQI
26th Jul 2025169 AMAQI
26th Jul 20251810 AMAQI
26th Jul 20252111 AMAQI
26th Jul 20251712 PMAQI
26th Jul 2025141 PMAQI
26th Jul 2025162 PMAQI
26th Jul 2025183 PMAQI
26th Jul 2025174 PMAQI
26th Jul 2025165 PMAQI
26th Jul 2025166 PMAQI
26th Jul 2025177 PMAQI
26th Jul 2025188 PMAQI
26th Jul 2025189 PMAQI
26th Jul 20252310 PMAQI
26th Jul 20252411 PMAQI
27th Jul 20252212 AMAQI
27th Jul 2025221 AMAQI
27th Jul 2025232 AMAQI
27th Jul 2025233 AMAQI
27th Jul 2025204 AMAQI
27th Jul 2025175 AMAQI
18°C14/25°C
27th Jul 2025176 AMAQI
27th Jul 2025177 AMAQI
27th Jul 2025218 AMAQI
27th Jul 2025219 AMAQI
27th Jul 20251910 AMAQI
27th Jul 20251711 AMAQI
27th Jul 20251612 PMAQI
27th Jul 2025151 PMAQI
27th Jul 2025162 PMAQI
27th Jul 2025183 PMAQI
27th Jul 2025184 PMAQI
27th Jul 2025185 PMAQI
27th Jul 2025196 PMAQI
27th Jul 2025177 PMAQI
27th Jul 2025188 PMAQI
27th Jul 2025209 PMAQI
27th Jul 20252010 PMAQI
27th Jul 20251811 PMAQI
28th Jul 20251812 AMAQI
28th Jul 2025201 AMAQI
28th Jul 2025252 AMAQI
28th Jul 2025243 AMAQI
28th Jul 2025244 AMAQI
28th Jul 2025225 AMAQI
19°C14/27°C
28th Jul 2025236 AMAQI
28th Jul 2025247 AMAQI
28th Jul 2025218 AMAQI
28th Jul 2025219 AMAQI
28th Jul 20252210 AMAQI
28th Jul 20252511 AMAQI
28th Jul 20252912 PMAQI
28th Jul 2025281 PMAQI
28th Jul 2025252 PMAQI
28th Jul 2025273 PMAQI
28th Jul 2025284 PMAQI
28th Jul 2025625 PMAQI
28th Jul 2025316 PMAQI
28th Jul 2025287 PMAQI
28th Jul 2025278 PMAQI
28th Jul 2025279 PMAQI
28th Jul 20252710 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20253212 AMAQI
29th Jul 2025251 AMAQI
29th Jul 2025232 AMAQI
29th Jul 2025273 AMAQI
29th Jul 2025304 AMAQI
29th Jul 2025295 AMAQI
20°C13/31°C
29th Jul 2025306 AMAQI
29th Jul 2025267 AMAQI
29th Jul 2025258 AMAQI
29th Jul 2025269 AMAQI
29th Jul 20252910 AMAQI
29th Jul 20253511 AMAQI
29th Jul 20254412 PMAQI
29th Jul 2025361 PMAQI
29th Jul 2025332 PMAQI
29th Jul 2025323 PMAQI
29th Jul 2025344 PMAQI
29th Jul 2025365 PMAQI
29th Jul 2025336 PMAQI
29th Jul 2025317 PMAQI
29th Jul 2025318 PMAQI
29th Jul 2025369 PMAQI
29th Jul 20254510 PMAQI
29th Jul 20254411 PMAQI
30th Jul 20254412 AMAQI
30th Jul 2025391 AMAQI
30th Jul 2025362 AMAQI
30th Jul 2025363 AMAQI
30th Jul 2025334 AMAQI
30th Jul 2025335 AMAQI
20°C11/32°C
30th Jul 2025336 AMAQI
30th Jul 2025327 AMAQI
30th Jul 2025298 AMAQI
30th Jul 2025269 AMAQI
30th Jul 20252810 AMAQI
30th Jul 20253011 AMAQI
30th Jul 20252812 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025262 PMAQI
30th Jul 2025263 PMAQI
30th Jul 2025264 PMAQI
30th Jul 2025265 PMAQI
30th Jul 2025266 PMAQI
30th Jul 2025267 PMAQI
30th Jul 2025268 PMAQI
30th Jul 2025299 PMAQI
30th Jul 20253110 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20253112 AMAQI
31st Jul 2025301 AMAQI
31st Jul 2025302 AMAQI
31st Jul 2025293 AMAQI
31st Jul 2025274 AMAQI
31st Jul 2025295 AMAQI
18°C14/27°C
31st Jul 2025296 AMAQI
31st Jul 2025307 AMAQI
31st Jul 2025278 AMAQI
31st Jul 2025299 AMAQI
31st Jul 20252910 AMAQI
31st Jul 20252811 AMAQI
31st Jul 20252912 PMAQI
31st Jul 2025281 PMAQI
31st Jul 2025282 PMAQI
31st Jul 2025293 PMAQI
31st Jul 2025314 PMAQI
31st Jul 2025305 PMAQI
31st Jul 2025296 PMAQI
31st Jul 2025287 PMAQI
31st Jul 2025288 PMAQI
31st Jul 2025259 PMAQI
31st Jul 20252510 PMAQI
31st Jul 20252911 PMAQI
1st Aug 20252812 AMAQI
1st Aug 2025231 AMAQI
1st Aug 2025282 AMAQI
1st Aug 2025223 AMAQI
1st Aug 2025204 AMAQI
1st Aug 2025225 AMAQI
19°C14/29°C
1st Aug 2025196 AMAQI
1st Aug 2025207 AMAQI
1st Aug 2025248 AMAQI
1st Aug 2025259 AMAQI
1st Aug 20252610 AMAQI
1st Aug 20252811 AMAQI
1st Aug 20252712 PMAQI
1st Aug 2025261 PMAQI
1st Aug 2025272 PMAQI
1st Aug 2025293 PMAQI
1st Aug 2025274 PMAQI
1st Aug 2025275 PMAQI
1st Aug 2025266 PMAQI
1st Aug 2025247 PMAQI
1st Aug 2025258 PMAQI
1st Aug 2025249 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20252812 AMAQI
2nd Aug 2025281 AMAQI
2nd Aug 2025282 AMAQI
2nd Aug 2025283 AMAQI
2nd Aug 2025244 AMAQI
2nd Aug 2025225 AMAQI
18°C14/28°C
2nd Aug 2025226 AMAQI
2nd Aug 2025227 AMAQI
2nd Aug 2025228 AMAQI
2nd Aug 2025249 AMAQI
2nd Aug 20252610 AMAQI
2nd Aug 20252711 AMAQI
2nd Aug 20252512 PMAQI
2nd Aug 2025261 PMAQI
2nd Aug 2025262 PMAQI
2nd Aug 2025243 PMAQI
2nd Aug 2025264 PMAQI
2nd Aug 2025255 PMAQI
2nd Aug 2025276 PMAQI
2nd Aug 2025277 PMAQI
2nd Aug 2025258 PMAQI
2nd Aug 2025249 PMAQI
2nd Aug 20252810 PMAQI
2nd Aug 20252811 PMAQI
3rd Aug 20252612 AMAQI
3rd Aug 2025261 AMAQI
3rd Aug 2025252 AMAQI
3rd Aug 2025253 AMAQI
3rd Aug 2025244 AMAQI
3rd Aug 2025235 AMAQI
19°C14/30°C
3rd Aug 2025226 AMAQI
3rd Aug 2025227 AMAQI
3rd Aug 2025228 AMAQI
3rd Aug 2025199 AMAQI
3rd Aug 20252010 AMAQI
3rd Aug 20251811 AMAQI
3rd Aug 20251912 PMAQI
3rd Aug 2025221 PMAQI
3rd Aug 2025202 PMAQI
3rd Aug 2025203 PMAQI
3rd Aug 2025224 PMAQI
3rd Aug 2025245 PMAQI
3rd Aug 2025266 PMAQI
3rd Aug 2025267 PMAQI
3rd Aug 2025328 PMAQI
3rd Aug 2025399 PMAQI
3rd Aug 20253410 PMAQI
3rd Aug 20254011 PMAQI
4th Aug 20254412 AMAQI
4th Aug 2025441 AMAQI
4th Aug 2025422 AMAQI
4th Aug 2025463 AMAQI
4th Aug 2025374 AMAQI
4th Aug 2025405 AMAQI
20°C13/30°C
4th Aug 2025386 AMAQI
4th Aug 2025407 AMAQI
4th Aug 2025408 AMAQI
4th Aug 2025369 AMAQI
4th Aug 20253610 AMAQI
4th Aug 20254411 AMAQI
4th Aug 20254512 PMAQI
4th Aug 2025441 PMAQI
4th Aug 2025422 PMAQI
4th Aug 2025413 PMAQI
4th Aug 2025394 PMAQI
4th Aug 2025375 PMAQI
4th Aug 2025346 PMAQI
4th Aug 2025437 PMAQI
4th Aug 2025358 PMAQI
4th Aug 2025329 PMAQI
4th Aug 20253010 PMAQI
4th Aug 20253011 PMAQI
5th Aug 20253112 AMAQI
5th Aug 2025291 AMAQI
5th Aug 2025262 AMAQI
5th Aug 2025283 AMAQI
5th Aug 2025314 AMAQI
5th Aug 2025345 AMAQI
19°C11/31°C
5th Aug 2025336 AMAQI
5th Aug 2025267 AMAQI
5th Aug 2025258 AMAQI
5th Aug 2025259 AMAQI
5th Aug 20252710 AMAQI
5th Aug 20253111 AMAQI
5th Aug 20253712 PMAQI
5th Aug 2025361 PMAQI
5th Aug 2025362 PMAQI
5th Aug 2025343 PMAQI
5th Aug 2025344 PMAQI
5th Aug 2025305 PMAQI
5th Aug 2025266 PMAQI
5th Aug 2025297 PMAQI
5th Aug 2025318 PMAQI
5th Aug 2025309 PMAQI
5th Aug 20252610 PMAQI
5th Aug 20252811 PMAQI
6th Aug 20253412 AMAQI
6th Aug 2025381 AMAQI
6th Aug 2025392 AMAQI
6th Aug 2025423 AMAQI
6th Aug 2025404 AMAQI
6th Aug 2025405 AMAQI
19°C11/30°C
6th Aug 2025396 AMAQI
6th Aug 2025327 AMAQI
6th Aug 2025318 AMAQI
6th Aug 2025319 AMAQI
6th Aug 20253110 AMAQI
6th Aug 20253511 AMAQI
6th Aug 20253612 PMAQI
6th Aug 2025381 PMAQI
6th Aug 2025382 PMAQI
6th Aug 2025353 PMAQI
6th Aug 2025354 PMAQI
6th Aug 2025345 PMAQI
6th Aug 2025306 PMAQI
6th Aug 2025347 PMAQI
6th Aug 2025328 PMAQI
6th Aug 2025309 PMAQI
6th Aug 20253010 PMAQI
6th Aug 20252811 PMAQI
7th Aug 20253012 AMAQI
7th Aug 2025301 AMAQI
7th Aug 2025332 AMAQI
7th Aug 2025343 AMAQI
7th Aug 2025344 AMAQI
7th Aug 2025325 AMAQI
22°C9/36°C
7th Aug 2025306 AMAQI
7th Aug 2025307 AMAQI
7th Aug 2025318 AMAQI
7th Aug 2025289 AMAQI
7th Aug 20252810 AMAQI
7th Aug 20252911 AMAQI
7th Aug 20253612 PMAQI
7th Aug 2025341 PMAQI
7th Aug 2025322 PMAQI
7th Aug 2025283 PMAQI
7th Aug 2025264 PMAQI
7th Aug 2025255 PMAQI
7th Aug 2025296 PMAQI
7th Aug 2025307 PMAQI
7th Aug 2025308 PMAQI
7th Aug 2025299 PMAQI
7th Aug 20252910 PMAQI
7th Aug 20253011 PMAQI
8th Aug 20252712 AMAQI
8th Aug 2025241 AMAQI
8th Aug 2025222 AMAQI
8th Aug 2025213 AMAQI
8th Aug 2025244 AMAQI
8th Aug 2025205 AMAQI
20°C12/32°C
8th Aug 2025216 AMAQI
8th Aug 2025217 AMAQI
8th Aug 2025218 AMAQI
8th Aug 2025239 AMAQI
8th Aug 20252610 AMAQI
8th Aug 20253011 AMAQI
8th Aug 20253212 PMAQI
8th Aug 2025311 PMAQI
8th Aug 2025362 PMAQI
8th Aug 2025373 PMAQI
8th Aug 2025364 PMAQI
8th Aug 2025355 PMAQI
8th Aug 2025326 PMAQI
8th Aug 2025297 PMAQI
8th Aug 2025328 PMAQI
8th Aug 2025489 PMAQI
8th Aug 20255010 PMAQI
8th Aug 20255311 PMAQI
9th Aug 20255212 AMAQI
9th Aug 2025521 AMAQI
20°C11/35°C
6 AM
1 PM
8 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 5 PM
28AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
6 AM - 8 PM
28AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 5 PM (Avg. 28), while the lowest AQI was between 6 AM to 8 PM (Avg. 28).
Night time
Avg. Highest Time
12 AM - 3 AM
29AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
4 AM - 5 AM
26AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 29), while the lowest AQI was between 4 AM to 5 AM (Avg. 26).
2025 Days Vs Air Quality
Gilroy, California, United States
2025
99%
217
0.9%
2
Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)
Good
217 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 221 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
Gilroy, 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
47AQI
47AQI
2nd January 2025
38AQI
38AQI
3rd January 2025
48AQI
48AQI
4th January 2025
24AQI
24AQI
5th January 2025
31AQI
31AQI
6th January 2025
30AQI
30AQI
7th January 2025
26AQI
26AQI
8th January 2025
29AQI
29AQI
9th January 2025
32AQI
32AQI
10th January 2025
43AQI
43AQI
11th January 2025
39AQI
39AQI
12th January 2025
32AQI
32AQI
13th January 2025
34AQI
34AQI
14th January 2025
30AQI
30AQI
15th January 2025
39AQI
39AQI
16th January 2025
40AQI
40AQI
17th January 2025
49AQI
49AQI
18th January 2025
50AQI
50AQI
19th January 2025
59AQI
59AQI
20th January 2025
45AQI
45AQI
21st January 2025
35AQI
35AQI
22nd January 2025
41AQI
41AQI
23rd January 2025
44AQI
44AQI
24th January 2025
48AQI
48AQI
25th January 2025
51AQI
51AQI
26th January 2025
35AQI
35AQI
27th January 2025
32AQI
32AQI
28th January 2025
36AQI
36AQI
29th January 2025
39AQI
39AQI
30th January 2025
45AQI
45AQI
31st January 2025
47AQI
47AQI
1st February 2025
48AQI
48AQI
2nd February 2025
28AQI
28AQI
3rd February 2025
24AQI
24AQI
4th February 2025
21AQI
21AQI
5th February 2025
26AQI
26AQI
6th February 2025
22AQI
22AQI
7th February 2025
26AQI
26AQI
8th February 2025
24AQI
24AQI
9th February 2025
29AQI
29AQI
10th February 2025
27AQI
27AQI
11th February 2025
26AQI
26AQI
12th February 2025
24AQI
24AQI
13th February 2025
26AQI
26AQI
14th February 2025
28AQI
28AQI
15th February 2025
28AQI
28AQI
16th February 2025
28AQI
28AQI
17th February 2025
27AQI
27AQI
18th February 2025
23AQI
23AQI
19th February 2025
27AQI
27AQI
20th February 2025
26AQI
26AQI
21st February 2025
26AQI
26AQI
22nd February 2025
34AQI
34AQI
23rd February 2025
34AQI
34AQI
24th February 2025
27AQI
27AQI
25th February 2025
24AQI
24AQI
26th February 2025
29AQI
29AQI
27th February 2025
31AQI
31AQI
28th February 2025
37AQI
37AQI
1st March 2025
34AQI
34AQI
2nd March 2025
28AQI
28AQI
3rd March 2025
24AQI
24AQI
4th March 2025
23AQI
23AQI
5th March 2025
22AQI
22AQI
6th March 2025
23AQI
23AQI
7th March 2025
24AQI
24AQI
8th March 2025
29AQI
29AQI
9th March 2025
30AQI
30AQI
10th March 2025
27AQI
27AQI
11th March 2025
27AQI
27AQI
12th March 2025
29AQI
29AQI
13th March 2025
20AQI
20AQI
14th March 2025
19AQI
19AQI
15th March 2025
39AQI
39AQI
16th March 2025
39AQI
39AQI
17th March 2025
18AQI
18AQI
18th March 2025
19AQI
19AQI
19th March 2025
20AQI
20AQI
20th March 2025
18AQI
18AQI
21st March 2025
21AQI
21AQI
22nd March 2025
20AQI
20AQI
23rd March 2025
23AQI
23AQI
24th March 2025
22AQI
22AQI
25th March 2025
40AQI
40AQI
26th March 2025
26AQI
26AQI
27th March 2025
19AQI
19AQI
28th March 2025
26AQI
26AQI
29th March 2025
20AQI
20AQI
30th March 2025
21AQI
21AQI
31st March 2025
21AQI
21AQI
1st April 2025
20AQI
20AQI
2nd April 2025
19AQI
19AQI
3rd April 2025
19AQI
19AQI
4th April 2025
22AQI
22AQI
5th April 2025
19AQI
19AQI
6th April 2025
22AQI
22AQI
7th April 2025
19AQI
19AQI
8th April 2025
17AQI
17AQI
9th April 2025
18AQI
18AQI
10th April 2025
24AQI
24AQI
11th April 2025
19AQI
19AQI
12th April 2025
32AQI
32AQI
13th April 2025
34AQI
34AQI
14th April 2025
35AQI
35AQI
15th April 2025
29AQI
29AQI
16th April 2025
33AQI
33AQI
17th April 2025
30AQI
30AQI
18th April 2025
28AQI
28AQI
19th April 2025
30AQI
30AQI
20th April 2025
31AQI
31AQI
21st April 2025
32AQI
32AQI
22nd April 2025
33AQI
33AQI
23rd April 2025
41AQI
41AQI
24th April 2025
39AQI
39AQI
25th April 2025
24AQI
24AQI
26th April 2025
17AQI
17AQI
27th April 2025
17AQI
17AQI
28th April 2025
33AQI
33AQI
29th April 2025
35AQI
35AQI
30th April 2025
31AQI
31AQI
1st May 2025
29AQI
29AQI
2nd May 2025
34AQI
34AQI
3rd May 2025
24AQI
24AQI
4th May 2025
32AQI
32AQI
5th May 2025
37AQI
37AQI
6th May 2025
48AQI
48AQI
7th May 2025
41AQI
41AQI
8th May 2025
36AQI
36AQI
9th May 2025
24AQI
24AQI
10th May 2025
27AQI
27AQI
11th May 2025
25AQI
25AQI
12th May 2025
22AQI
22AQI
13th May 2025
17AQI
17AQI
14th May 2025
24AQI
24AQI
15th May 2025
34AQI
34AQI
16th May 2025
41AQI
41AQI
17th May 2025
40AQI
40AQI
18th May 2025
40AQI
40AQI
19th May 2025
42AQI
42AQI
20th May 2025
35AQI
35AQI
21st May 2025
37AQI
37AQI
22nd May 2025
36AQI
36AQI
23rd May 2025
27AQI
27AQI
24th May 2025
32AQI
32AQI
25th May 2025
26AQI
26AQI
26th May 2025
21AQI
21AQI
27th May 2025
24AQI
24AQI
28th May 2025
34AQI
34AQI
29th May 2025
21AQI
21AQI
30th May 2025
32AQI
32AQI
31st May 2025
45AQI
45AQI
1st June 2025
47AQI
47AQI
2nd June 2025
47AQI
47AQI
3rd June 2025
41AQI
41AQI
4th June 2025
43AQI
43AQI
5th June 2025
44AQI
44AQI
6th June 2025
37AQI
37AQI
7th June 2025
39AQI
39AQI
8th June 2025
36AQI
36AQI
9th June 2025
35AQI
35AQI
10th June 2025
37AQI
37AQI
11th June 2025
42AQI
42AQI
12th June 2025
49AQI
49AQI
13th June 2025
50AQI
50AQI
14th June 2025
47AQI
47AQI
15th June 2025
46AQI
46AQI
16th June 2025
45AQI
45AQI
17th June 2025
38AQI
38AQI
18th June 2025
37AQI
37AQI
19th June 2025
42AQI
42AQI
20th June 2025
43AQI
43AQI
21st June 2025
38AQI
38AQI
22nd June 2025
36AQI
36AQI
23rd June 2025
35AQI
35AQI
24th June 2025
27AQI
27AQI
25th June 2025
30AQI
30AQI
26th June 2025
33AQI
33AQI
27th June 2025
37AQI
37AQI
28th June 2025
35AQI
35AQI
29th June 2025
33AQI
33AQI
30th June 2025
28AQI
28AQI
1st July 2025
30AQI
30AQI
2nd July 2025
27AQI
27AQI
3rd July 2025
41AQI
41AQI
4th July 2025
33AQI
33AQI
5th July 2025
45AQI
45AQI
6th July 2025
37AQI
37AQI
7th July 2025
30AQI
30AQI
8th July 2025
26AQI
26AQI
9th July 2025
29AQI
29AQI
10th July 2025
33AQI
33AQI
11th July 2025
45AQI
45AQI
12th July 2025
45AQI
45AQI
13th July 2025
39AQI
39AQI
14th July 2025
31AQI
31AQI
15th July 2025
28AQI
28AQI
16th July 2025
25AQI
25AQI
17th July 2025
23AQI
23AQI
18th July 2025
25AQI
25AQI
19th July 2025
30AQI
30AQI
20th July 2025
23AQI
23AQI
21st July 2025
25AQI
25AQI
22nd July 2025
16AQI
16AQI
23rd July 2025
16AQI
16AQI
24th July 2025
18AQI
18AQI
25th July 2025
19AQI
19AQI
26th July 2025
18AQI
18AQI
27th July 2025
19AQI
19AQI
28th July 2025
26AQI
26AQI
29th July 2025
32AQI
32AQI
30th July 2025
31AQI
31AQI
31st July 2025
29AQI
29AQI
1st August 2025
25AQI
25AQI
2nd August 2025
26AQI
26AQI
3rd August 2025
26AQI
26AQI
4th August 2025
39AQI
39AQI
5th August 2025
30AQI
30AQI
6th August 2025
35AQI
35AQI
7th August 2025
31AQI
31AQI
39AQI
28AQI
25AQI
27AQI
32AQI
39AQI
29AQI
30AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202531AQI
29
2
28
31
30
31
30
31
7
217
2
Highest AQI recorded in
January39AQI
Lowest AQI recorded in
March25AQI
202429AQI
26
25
22
3
12
29
29
2
31
30
31
29
1
26
5
293
8
Highest AQI recorded in
December40AQI
Lowest AQI recorded in
April20AQI
202327AQI
29
28
30
30
31
30
30
23
2
26
3
1
31
29
31
348
5
1
Highest AQI recorded in
February35AQI
Lowest AQI recorded in
June23AQI
202234AQI
28
2
21
1
29
1
28
2
29
1
30
22
3
26
3
29
2
28
1
21
10
294
23
Highest AQI recorded in
December39AQI
Lowest AQI recorded in
July31AQI
202131AQI
29
1
25
30
29
1
31
29
1
27
1
27
3
27
3
31
29
1
29
2
343
13
Highest AQI recorded in
August37AQI
Lowest AQI recorded in
June27AQI
202043AQI
13
20
17
1
29
1
28
22
3
6
14
10
3
3
20
7
2
1
26
4
25
6
214
32
11
4
Highest AQI recorded in
September66AQI
Lowest AQI recorded in
March28AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
43AQILeast Polluted Year Recorded
2023(Avg.)
27AQIGilroy's annual 2025 AQI (31) shows an average percentage change of -3.1% (improved AQI) compared to previous years: 2020 (43), 2021 (31), 2022 (34), 2023 (27), 2024 (29).
