Rio Vista Ys, Rio Vista, 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
Rio Vista Ys, Rio Vista, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
125AQILowest AQI recorded on
3rd Aug 2021
12AQISame Day Analysis (12th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 30 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 12th Aug - 13th Aug 2025
Rio Vista Ys, Rio Vista, California, United States
AQI
Day
Night
.
6 AM12th Aug 2025
8 PM
5 AM13th Aug 2025
Day time
Avg. Highest Time
4PM12th Aug
38AQI
Avg. Lowest Time
9AM12th Aug
26AQI
Night time
Avg. Highest Time
10PM12th Aug
39AQI
Avg. Lowest Time
5AM13th Aug
27AQI
In the last 24 hours,
Rio Vista Ys's AQI reached its highest point of 39 at 10 PM during the Night, while the lowest point, 26, was recorded at 9 AM during the Day between 12th Aug and 13th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Rio Vista Ys, Rio Vista, California, United States
JulAug
14th - 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 - 13th13th
Day
Night
14th Jul 2025236 AMAQI
14th Jul 2025227 AMAQI
14th Jul 2025268 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20252510 AMAQI
14th Jul 20252811 AMAQI
14th Jul 20252912 PMAQI
14th Jul 2025311 PMAQI
14th Jul 2025302 PMAQI
14th Jul 2025263 PMAQI
14th Jul 2025284 PMAQI
14th Jul 2025285 PMAQI
14th Jul 2025286 PMAQI
14th Jul 2025277 PMAQI
14th Jul 2025258 PMAQI
14th Jul 2025289 PMAQI
14th Jul 20252610 PMAQI
14th Jul 20252611 PMAQI
15th Jul 20252612 AMAQI
15th Jul 2025251 AMAQI
15th Jul 2025252 AMAQI
15th Jul 2025293 AMAQI
15th Jul 2025364 AMAQI
15th Jul 2025385 AMAQI
23°C13/37°C
15th Jul 2025366 AMAQI
15th Jul 2025277 AMAQI
15th Jul 2025288 AMAQI
15th Jul 2025299 AMAQI
15th Jul 20252610 AMAQI
15th Jul 20252311 AMAQI
15th Jul 20252612 PMAQI
15th Jul 2025281 PMAQI
15th Jul 2025292 PMAQI
15th Jul 2025263 PMAQI
15th Jul 2025264 PMAQI
15th Jul 2025265 PMAQI
15th Jul 2025276 PMAQI
15th Jul 2025277 PMAQI
15th Jul 2025288 PMAQI
15th Jul 2025299 PMAQI
15th Jul 20252810 PMAQI
15th Jul 20252811 PMAQI
16th Jul 20252712 AMAQI
16th Jul 2025271 AMAQI
16th Jul 2025272 AMAQI
16th Jul 2025333 AMAQI
16th Jul 2025454 AMAQI
16th Jul 2025395 AMAQI
19°C13/29°C
16th Jul 2025326 AMAQI
16th Jul 2025307 AMAQI
16th Jul 2025268 AMAQI
16th Jul 2025269 AMAQI
16th Jul 20252710 AMAQI
16th Jul 20252711 AMAQI
16th Jul 20252612 PMAQI
16th Jul 2025261 PMAQI
16th Jul 2025262 PMAQI
16th Jul 2025263 PMAQI
16th Jul 2025294 PMAQI
16th Jul 2025285 PMAQI
16th Jul 2025286 PMAQI
16th Jul 2025287 PMAQI
16th Jul 2025288 PMAQI
16th Jul 2025279 PMAQI
16th Jul 20252810 PMAQI
16th Jul 20252611 PMAQI
17th Jul 20252612 AMAQI
17th Jul 2025261 AMAQI
17th Jul 2025272 AMAQI
17th Jul 2025303 AMAQI
17th Jul 2025354 AMAQI
17th Jul 2025325 AMAQI
19°C14/27°C
17th Jul 2025246 AMAQI
17th Jul 2025267 AMAQI
17th Jul 2025298 AMAQI
17th Jul 2025309 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20253311 AMAQI
17th Jul 20253112 PMAQI
17th Jul 2025261 PMAQI
17th Jul 2025262 PMAQI
17th Jul 2025263 PMAQI
17th Jul 2025264 PMAQI
17th Jul 2025275 PMAQI
17th Jul 2025256 PMAQI
17th Jul 2025247 PMAQI
17th Jul 2025258 PMAQI
17th Jul 2025269 PMAQI
17th Jul 20252410 PMAQI
17th Jul 20252611 PMAQI
18th Jul 20252512 AMAQI
18th Jul 2025251 AMAQI
18th Jul 2025262 AMAQI
18th Jul 2025263 AMAQI
18th Jul 2025284 AMAQI
18th Jul 2025305 AMAQI
20°C14/31°C
18th Jul 2025276 AMAQI
18th Jul 2025267 AMAQI
18th Jul 2025368 AMAQI
18th Jul 2025329 AMAQI
18th Jul 20252810 AMAQI
18th Jul 20252911 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025311 PMAQI
18th Jul 2025272 PMAQI
18th Jul 2025273 PMAQI
18th Jul 2025284 PMAQI
18th Jul 2025265 PMAQI
18th Jul 2025266 PMAQI
18th Jul 2025257 PMAQI
18th Jul 2025248 PMAQI
18th Jul 2025249 PMAQI
18th Jul 20252510 PMAQI
18th Jul 20252511 PMAQI
19th Jul 20252512 AMAQI
19th Jul 2025251 AMAQI
19th Jul 2025252 AMAQI
19th Jul 2025283 AMAQI
19th Jul 2025334 AMAQI
19th Jul 2025375 AMAQI
21°C14/30°C
19th Jul 2025346 AMAQI
19th Jul 2025307 AMAQI
19th Jul 2025308 AMAQI
19th Jul 2025319 AMAQI
19th Jul 20253210 AMAQI
19th Jul 20253011 AMAQI
19th Jul 20253312 PMAQI
19th Jul 2025341 PMAQI
19th Jul 2025302 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025264 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025276 PMAQI
19th Jul 2025277 PMAQI
19th Jul 2025258 PMAQI
19th Jul 2025249 PMAQI
19th Jul 20252410 PMAQI
19th Jul 20252511 PMAQI
20th Jul 20252612 AMAQI
20th Jul 2025251 AMAQI
20th Jul 2025262 AMAQI
20th Jul 2025293 AMAQI
20th Jul 2025344 AMAQI
20th Jul 2025345 AMAQI
20°C13/30°C
20th Jul 2025306 AMAQI
20th Jul 2025267 AMAQI
20th Jul 2025238 AMAQI
20th Jul 2025249 AMAQI
20th Jul 20252410 AMAQI
20th Jul 20252511 AMAQI
20th Jul 20252612 PMAQI
20th Jul 2025281 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025263 PMAQI
20th Jul 2025244 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025257 PMAQI
20th Jul 2025268 PMAQI
20th Jul 2025279 PMAQI
20th Jul 20252810 PMAQI
20th Jul 20252811 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025281 AMAQI
21st Jul 2025292 AMAQI
21st Jul 2025313 AMAQI
21st Jul 2025384 AMAQI
21st Jul 2025395 AMAQI
19°C13/29°C
21st Jul 2025416 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025348 AMAQI
21st Jul 2025349 AMAQI
21st Jul 20253210 AMAQI
21st Jul 20253011 AMAQI
21st Jul 20253012 PMAQI
21st Jul 2025281 PMAQI
21st Jul 2025272 PMAQI
21st Jul 2025263 PMAQI
21st Jul 2025274 PMAQI
21st Jul 2025275 PMAQI
21st Jul 2025276 PMAQI
21st Jul 2025287 PMAQI
21st Jul 2025278 PMAQI
21st Jul 2025269 PMAQI
21st Jul 20252610 PMAQI
21st Jul 20252711 PMAQI
22nd Jul 20252712 AMAQI
22nd Jul 2025261 AMAQI
22nd Jul 2025252 AMAQI
22nd Jul 2025243 AMAQI
22nd Jul 2025194 AMAQI
22nd Jul 2025165 AMAQI
17°C14/23°C
22nd Jul 2025206 AMAQI
22nd Jul 2025217 AMAQI
22nd Jul 2025228 AMAQI
22nd Jul 2025239 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252211 AMAQI
22nd Jul 20251912 PMAQI
22nd Jul 2025201 PMAQI
22nd Jul 2025232 PMAQI
22nd Jul 2025193 PMAQI
22nd Jul 2025204 PMAQI
22nd Jul 2025215 PMAQI
22nd Jul 2025206 PMAQI
22nd Jul 2025197 PMAQI
22nd Jul 2025208 PMAQI
22nd Jul 2025229 PMAQI
22nd Jul 20252010 PMAQI
22nd Jul 20252011 PMAQI
23rd Jul 20252012 AMAQI
23rd Jul 2025191 AMAQI
23rd Jul 2025212 AMAQI
23rd Jul 2025223 AMAQI
23rd Jul 2025274 AMAQI
23rd Jul 2025265 AMAQI
18°C14/24°C
23rd Jul 2025236 AMAQI
23rd Jul 2025227 AMAQI
23rd Jul 2025248 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20252210 AMAQI
23rd Jul 20252311 AMAQI
23rd Jul 20252312 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025232 PMAQI
23rd Jul 2025203 PMAQI
23rd Jul 2025204 PMAQI
23rd Jul 2025195 PMAQI
23rd Jul 2025206 PMAQI
23rd Jul 2025207 PMAQI
23rd Jul 2025228 PMAQI
23rd Jul 2025209 PMAQI
23rd Jul 20252010 PMAQI
23rd Jul 20251911 PMAQI
24th Jul 20252012 AMAQI
24th Jul 2025211 AMAQI
24th Jul 2025192 AMAQI
24th Jul 2025203 AMAQI
24th Jul 2025244 AMAQI
24th Jul 2025305 AMAQI
19°C14/28°C
24th Jul 2025276 AMAQI
24th Jul 2025247 AMAQI
24th Jul 2025258 AMAQI
24th Jul 2025249 AMAQI
24th Jul 20252610 AMAQI
24th Jul 20252511 AMAQI
24th Jul 20252412 PMAQI
24th Jul 2025261 PMAQI
24th Jul 2025242 PMAQI
24th Jul 2025203 PMAQI
24th Jul 2025204 PMAQI
24th Jul 2025205 PMAQI
24th Jul 2025206 PMAQI
24th Jul 2025207 PMAQI
24th Jul 2025208 PMAQI
24th Jul 2025219 PMAQI
24th Jul 20252010 PMAQI
24th Jul 20251911 PMAQI
25th Jul 20252012 AMAQI
25th Jul 2025201 AMAQI
25th Jul 2025202 AMAQI
25th Jul 2025213 AMAQI
25th Jul 2025254 AMAQI
25th Jul 2025215 AMAQI
20°C14/28°C
25th Jul 2025246 AMAQI
25th Jul 2025227 AMAQI
25th Jul 2025228 AMAQI
25th Jul 2025239 AMAQI
25th Jul 20252610 AMAQI
25th Jul 20252311 AMAQI
25th Jul 20252012 PMAQI
25th Jul 2025271 PMAQI
25th Jul 2025212 PMAQI
25th Jul 2025183 PMAQI
25th Jul 2025184 PMAQI
25th Jul 2025195 PMAQI
25th Jul 2025186 PMAQI
25th Jul 2025187 PMAQI
25th Jul 2025198 PMAQI
25th Jul 2025189 PMAQI
25th Jul 20251810 PMAQI
25th Jul 20252011 PMAQI
26th Jul 20251912 AMAQI
26th Jul 2025181 AMAQI
26th Jul 2025192 AMAQI
26th Jul 2025223 AMAQI
26th Jul 2025264 AMAQI
26th Jul 2025235 AMAQI
19°C14/27°C
26th Jul 2025266 AMAQI
26th Jul 2025277 AMAQI
26th Jul 2025258 AMAQI
26th Jul 2025239 AMAQI
26th Jul 20252410 AMAQI
26th Jul 20252411 AMAQI
26th Jul 20252312 PMAQI
26th Jul 2025201 PMAQI
26th Jul 2025192 PMAQI
26th Jul 2025203 PMAQI
26th Jul 2025194 PMAQI
26th Jul 2025185 PMAQI
26th Jul 2025206 PMAQI
26th Jul 2025207 PMAQI
26th Jul 2025198 PMAQI
26th Jul 2025199 PMAQI
26th Jul 20252010 PMAQI
26th Jul 20251911 PMAQI
27th Jul 20252012 AMAQI
27th Jul 2025201 AMAQI
27th Jul 2025202 AMAQI
27th Jul 2025223 AMAQI
27th Jul 2025244 AMAQI
27th Jul 2025265 AMAQI
19°C14/27°C
27th Jul 2025256 AMAQI
27th Jul 2025237 AMAQI
27th Jul 2025218 AMAQI
27th Jul 2025189 AMAQI
27th Jul 20252110 AMAQI
27th Jul 20252611 AMAQI
27th Jul 20252512 PMAQI
27th Jul 2025221 PMAQI
27th Jul 2025202 PMAQI
27th Jul 2025203 PMAQI
27th Jul 2025204 PMAQI
27th Jul 2025215 PMAQI
27th Jul 2025206 PMAQI
27th Jul 2025207 PMAQI
27th Jul 2025208 PMAQI
27th Jul 2025229 PMAQI
27th Jul 20252210 PMAQI
27th Jul 20252111 PMAQI
28th Jul 20252012 AMAQI
28th Jul 2025221 AMAQI
28th Jul 2025212 AMAQI
28th Jul 2025223 AMAQI
28th Jul 2025264 AMAQI
28th Jul 2025285 AMAQI
19°C14/28°C
28th Jul 2025306 AMAQI
28th Jul 2025297 AMAQI
28th Jul 2025298 AMAQI
28th Jul 2025269 AMAQI
28th Jul 20252310 AMAQI
28th Jul 20252611 AMAQI
28th Jul 20253012 PMAQI
28th Jul 2025311 PMAQI
28th Jul 2025302 PMAQI
28th Jul 2025233 PMAQI
28th Jul 2025244 PMAQI
28th Jul 2025245 PMAQI
28th Jul 2025256 PMAQI
28th Jul 2025247 PMAQI
28th Jul 2025258 PMAQI
28th Jul 2025269 PMAQI
28th Jul 20252510 PMAQI
28th Jul 20252611 PMAQI
29th Jul 20252512 AMAQI
29th Jul 2025241 AMAQI
29th Jul 2025262 AMAQI
29th Jul 2025263 AMAQI
29th Jul 2025304 AMAQI
29th Jul 2025325 AMAQI
22°C14/33°C
29th Jul 2025316 AMAQI
29th Jul 2025387 AMAQI
29th Jul 2025358 AMAQI
29th Jul 2025349 AMAQI
29th Jul 20253410 AMAQI
29th Jul 20253011 AMAQI
29th Jul 20253012 PMAQI
29th Jul 2025341 PMAQI
29th Jul 2025332 PMAQI
29th Jul 2025293 PMAQI
29th Jul 2025304 PMAQI
29th Jul 2025315 PMAQI
29th Jul 2025316 PMAQI
29th Jul 2025297 PMAQI
29th Jul 2025288 PMAQI
29th Jul 2025299 PMAQI
29th Jul 20253010 PMAQI
29th Jul 20253011 PMAQI
30th Jul 20253112 AMAQI
30th Jul 2025301 AMAQI
30th Jul 2025302 AMAQI
30th Jul 2025303 AMAQI
30th Jul 2025364 AMAQI
30th Jul 2025395 AMAQI
22°C14/34°C
30th Jul 2025386 AMAQI
30th Jul 2025317 AMAQI
30th Jul 2025318 AMAQI
30th Jul 2025319 AMAQI
30th Jul 20253410 AMAQI
30th Jul 20253411 AMAQI
30th Jul 20253412 PMAQI
30th Jul 2025341 PMAQI
30th Jul 2025322 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025324 PMAQI
30th Jul 2025325 PMAQI
30th Jul 2025326 PMAQI
30th Jul 2025327 PMAQI
30th Jul 2025328 PMAQI
30th Jul 2025309 PMAQI
30th Jul 20253010 PMAQI
30th Jul 20253011 PMAQI
31st Jul 20253212 AMAQI
31st Jul 2025301 AMAQI
31st Jul 2025292 AMAQI
31st Jul 2025293 AMAQI
31st Jul 2025294 AMAQI
31st Jul 2025245 AMAQI
20°C14/30°C
31st Jul 2025266 AMAQI
31st Jul 2025257 AMAQI
31st Jul 2025228 AMAQI
31st Jul 2025209 AMAQI
31st Jul 20251810 AMAQI
31st Jul 20252011 AMAQI
31st Jul 20252312 PMAQI
31st Jul 2025221 PMAQI
31st Jul 2025252 PMAQI
31st Jul 2025303 PMAQI
31st Jul 2025334 PMAQI
31st Jul 2025355 PMAQI
31st Jul 2025336 PMAQI
31st Jul 2025277 PMAQI
31st Jul 2025318 PMAQI
31st Jul 2025349 PMAQI
31st Jul 20253410 PMAQI
31st Jul 20253411 PMAQI
1st Aug 20253112 AMAQI
1st Aug 2025291 AMAQI
1st Aug 2025262 AMAQI
1st Aug 2025263 AMAQI
1st Aug 2025294 AMAQI
1st Aug 2025305 AMAQI
22°C15/34°C
1st Aug 2025306 AMAQI
1st Aug 2025247 AMAQI
1st Aug 2025268 AMAQI
1st Aug 2025239 AMAQI
1st Aug 20252410 AMAQI
1st Aug 20252211 AMAQI
1st Aug 20252312 PMAQI
1st Aug 2025231 PMAQI
1st Aug 2025262 PMAQI
1st Aug 2025303 PMAQI
1st Aug 2025324 PMAQI
1st Aug 2025305 PMAQI
1st Aug 2025296 PMAQI
1st Aug 2025287 PMAQI
1st Aug 2025268 PMAQI
1st Aug 2025269 PMAQI
1st Aug 20252610 PMAQI
1st Aug 20253011 PMAQI
2nd Aug 20253412 AMAQI
2nd Aug 2025351 AMAQI
2nd Aug 2025332 AMAQI
2nd Aug 2025333 AMAQI
2nd Aug 2025354 AMAQI
2nd Aug 2025325 AMAQI
21°C14/32°C
2nd Aug 2025266 AMAQI
2nd Aug 2025257 AMAQI
2nd Aug 2025228 AMAQI
2nd Aug 2025229 AMAQI
2nd Aug 20252010 AMAQI
2nd Aug 20252111 AMAQI
2nd Aug 20252212 PMAQI
2nd Aug 2025211 PMAQI
2nd Aug 2025182 PMAQI
2nd Aug 2025223 PMAQI
2nd Aug 2025254 PMAQI
2nd Aug 2025245 PMAQI
2nd Aug 2025276 PMAQI
2nd Aug 2025277 PMAQI
2nd Aug 2025248 PMAQI
2nd Aug 2025229 PMAQI
2nd Aug 20252210 PMAQI
2nd Aug 20252411 PMAQI
3rd Aug 20252612 AMAQI
3rd Aug 2025271 AMAQI
3rd Aug 2025272 AMAQI
3rd Aug 2025293 AMAQI
3rd Aug 2025294 AMAQI
3rd Aug 2025315 AMAQI
21°C14/32°C
3rd Aug 2025306 AMAQI
3rd Aug 2025287 AMAQI
3rd Aug 2025368 AMAQI
3rd Aug 2025379 AMAQI
3rd Aug 20253810 AMAQI
3rd Aug 20254111 AMAQI
3rd Aug 20254212 PMAQI
3rd Aug 2025431 PMAQI
3rd Aug 2025472 PMAQI
3rd Aug 2025483 PMAQI
3rd Aug 2025504 PMAQI
3rd Aug 2025455 PMAQI
3rd Aug 2025446 PMAQI
3rd Aug 2025367 PMAQI
3rd Aug 2025418 PMAQI
3rd Aug 2025469 PMAQI
3rd Aug 20254310 PMAQI
3rd Aug 20254111 PMAQI
4th Aug 20254312 AMAQI
4th Aug 2025471 AMAQI
4th Aug 2025422 AMAQI
4th Aug 2025403 AMAQI
4th Aug 2025364 AMAQI
4th Aug 2025365 AMAQI
21°C13/31°C
4th Aug 2025386 AMAQI
4th Aug 2025357 AMAQI
4th Aug 2025348 AMAQI
4th Aug 2025369 AMAQI
4th Aug 20253810 AMAQI
4th Aug 20254011 AMAQI
4th Aug 20253812 PMAQI
4th Aug 2025411 PMAQI
4th Aug 2025402 PMAQI
4th Aug 2025403 PMAQI
4th Aug 2025354 PMAQI
4th Aug 2025365 PMAQI
4th Aug 2025366 PMAQI
4th Aug 2025377 PMAQI
4th Aug 2025358 PMAQI
4th Aug 2025319 PMAQI
4th Aug 20253010 PMAQI
4th Aug 20253011 PMAQI
5th Aug 20253112 AMAQI
5th Aug 2025331 AMAQI
5th Aug 2025312 AMAQI
5th Aug 2025343 AMAQI
5th Aug 2025314 AMAQI
5th Aug 2025315 AMAQI
21°C13/32°C
5th Aug 2025286 AMAQI
5th Aug 2025267 AMAQI
5th Aug 2025298 AMAQI
5th Aug 2025289 AMAQI
5th Aug 20252810 AMAQI
5th Aug 20252711 AMAQI
5th Aug 20253112 PMAQI
5th Aug 2025351 PMAQI
5th Aug 2025332 PMAQI
5th Aug 2025283 PMAQI
5th Aug 2025344 PMAQI
5th Aug 2025385 PMAQI
5th Aug 2025426 PMAQI
5th Aug 2025297 PMAQI
5th Aug 2025358 PMAQI
5th Aug 2025389 PMAQI
5th Aug 20253410 PMAQI
5th Aug 20253311 PMAQI
6th Aug 20253312 AMAQI
6th Aug 2025321 AMAQI
6th Aug 2025322 AMAQI
6th Aug 2025333 AMAQI
6th Aug 2025334 AMAQI
6th Aug 2025335 AMAQI
20°C12/31°C
6th Aug 2025356 AMAQI
6th Aug 2025367 AMAQI
6th Aug 2025368 AMAQI
6th Aug 2025369 AMAQI
6th Aug 20253610 AMAQI
6th Aug 20253811 AMAQI
6th Aug 20254112 PMAQI
6th Aug 2025441 PMAQI
6th Aug 2025452 PMAQI
6th Aug 2025483 PMAQI
6th Aug 2025504 PMAQI
6th Aug 2025465 PMAQI
6th Aug 2025446 PMAQI
6th Aug 2025367 PMAQI
6th Aug 2025378 PMAQI
6th Aug 2025409 PMAQI
6th Aug 20253910 PMAQI
6th Aug 20253911 PMAQI
7th Aug 20253912 AMAQI
7th Aug 2025351 AMAQI
7th Aug 2025342 AMAQI
7th Aug 2025383 AMAQI
7th Aug 2025504 AMAQI
7th Aug 2025485 AMAQI
25°C14/38°C
7th Aug 2025336 AMAQI
7th Aug 2025377 AMAQI
7th Aug 2025358 AMAQI
7th Aug 2025339 AMAQI
7th Aug 20253310 AMAQI
7th Aug 20253411 AMAQI
7th Aug 20253412 PMAQI
7th Aug 2025381 PMAQI
7th Aug 2025402 PMAQI
7th Aug 2025343 PMAQI
7th Aug 2025344 PMAQI
7th Aug 2025335 PMAQI
7th Aug 2025346 PMAQI
7th Aug 2025347 PMAQI
7th Aug 2025368 PMAQI
7th Aug 2025339 PMAQI
7th Aug 20253310 PMAQI
7th Aug 20253411 PMAQI
8th Aug 20253312 AMAQI
8th Aug 2025341 AMAQI
8th Aug 2025372 AMAQI
8th Aug 2025363 AMAQI
8th Aug 2025344 AMAQI
8th Aug 2025365 AMAQI
25°C16/36°C
8th Aug 2025406 AMAQI
8th Aug 2025417 AMAQI
8th Aug 2025388 AMAQI
8th Aug 2025399 AMAQI
8th Aug 20254110 AMAQI
8th Aug 20254111 AMAQI
8th Aug 20254612 PMAQI
8th Aug 2025461 PMAQI
8th Aug 2025472 PMAQI
8th Aug 2025443 PMAQI
8th Aug 2025434 PMAQI
8th Aug 2025415 PMAQI
8th Aug 2025406 PMAQI
8th Aug 2025397 PMAQI
8th Aug 2025398 PMAQI
8th Aug 2025389 PMAQI
8th Aug 20253810 PMAQI
8th Aug 20253811 PMAQI
9th Aug 20253812 AMAQI
9th Aug 2025421 AMAQI
9th Aug 2025412 AMAQI
9th Aug 2025463 AMAQI
9th Aug 2025434 AMAQI
9th Aug 2025465 AMAQI
26°C15/40°C
9th Aug 2025376 AMAQI
9th Aug 2025387 AMAQI
9th Aug 2025348 AMAQI
9th Aug 2025339 AMAQI
9th Aug 20253110 AMAQI
9th Aug 20253311 AMAQI
9th Aug 20253712 PMAQI
9th Aug 2025381 PMAQI
9th Aug 2025362 PMAQI
9th Aug 2025373 PMAQI
9th Aug 2025394 PMAQI
9th Aug 2025395 PMAQI
9th Aug 2025376 PMAQI
9th Aug 2025367 PMAQI
9th Aug 2025378 PMAQI
9th Aug 2025369 PMAQI
9th Aug 20253610 PMAQI
9th Aug 20253411 PMAQI
10th Aug 20253512 AMAQI
10th Aug 2025391 AMAQI
10th Aug 2025362 AMAQI
10th Aug 2025353 AMAQI
10th Aug 2025304 AMAQI
10th Aug 2025305 AMAQI
26°C18/38°C
10th Aug 2025336 AMAQI
10th Aug 2025347 AMAQI
10th Aug 2025288 AMAQI
10th Aug 2025279 AMAQI
10th Aug 20252910 AMAQI
10th Aug 20252911 AMAQI
10th Aug 20252912 PMAQI
10th Aug 2025291 PMAQI
10th Aug 2025312 PMAQI
10th Aug 2025283 PMAQI
10th Aug 2025294 PMAQI
10th Aug 2025285 PMAQI
10th Aug 2025296 PMAQI
10th Aug 2025307 PMAQI
10th Aug 2025298 PMAQI
10th Aug 2025299 PMAQI
10th Aug 20252910 PMAQI
10th Aug 20253011 PMAQI
11th Aug 20252912 AMAQI
11th Aug 2025311 AMAQI
11th Aug 2025292 AMAQI
11th Aug 2025283 AMAQI
11th Aug 2025304 AMAQI
11th Aug 2025295 AMAQI
25°C16/39°C
11th Aug 2025286 AMAQI
11th Aug 2025247 AMAQI
11th Aug 2025248 AMAQI
11th Aug 2025269 AMAQI
11th Aug 20252610 AMAQI
11th Aug 20252611 AMAQI
11th Aug 20253012 PMAQI
11th Aug 2025371 PMAQI
11th Aug 2025352 PMAQI
11th Aug 2025343 PMAQI
11th Aug 2025344 PMAQI
11th Aug 2025365 PMAQI
11th Aug 2025386 PMAQI
11th Aug 2025277 PMAQI
11th Aug 2025328 PMAQI
11th Aug 2025339 PMAQI
11th Aug 20253310 PMAQI
11th Aug 20253111 PMAQI
12th Aug 20252812 AMAQI
12th Aug 2025261 AMAQI
12th Aug 2025282 AMAQI
12th Aug 2025263 AMAQI
12th Aug 2025264 AMAQI
12th Aug 2025255 AMAQI
22°C13/35°C
12th Aug 2025266 AMAQI
12th Aug 2025267 AMAQI
12th Aug 2025268 AMAQI
12th Aug 2025269 AMAQI
12th Aug 20252710 AMAQI
12th Aug 20252711 AMAQI
12th Aug 20253112 PMAQI
12th Aug 2025291 PMAQI
12th Aug 2025292 PMAQI
12th Aug 2025363 PMAQI
12th Aug 2025384 PMAQI
12th Aug 2025355 PMAQI
12th Aug 2025346 PMAQI
12th Aug 2025317 PMAQI
12th Aug 2025338 PMAQI
12th Aug 2025359 PMAQI
12th Aug 20253910 PMAQI
12th Aug 20253511 PMAQI
13th Aug 20253612 AMAQI
13th Aug 2025341 AMAQI
13th Aug 2025332 AMAQI
13th Aug 2025323 AMAQI
13th Aug 2025274 AMAQI
13th Aug 2025275 AMAQI
20°C14/32°C
13th Aug 2025276 AMAQI
6 AM13th Aug 2025267 AMAQI
13th Aug 2025228 AMAQI
13th Aug 2025269 AMAQI
13th Aug 20252810 AMAQI
13th Aug 20252611 AMAQI
13th Aug 20252412 PMAQI
13th Aug 2025231 PMAQI
1 PM13th Aug 2025232 PMAQI
13th Aug 2025203 PMAQI
13th Aug 2025224 PMAQI
13th Aug 2025225 PMAQI
8 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 6 PM
29AQI
13 hours / Day
390 hours / Month
Avg. Lowest Time
6 AM - 8 PM
29AQI
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. 29), while the lowest AQI was between 6 AM to 8 PM (Avg. 29).
Night time
Avg. Highest Time
4 AM - 5 AM
32AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM - 3 AM
29AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 5 AM (Avg. 32), while the lowest AQI was between 12 AM to 3 AM (Avg. 29).
2025 Days Vs Air Quality
Rio Vista Ys, Rio Vista, California, United States
2025
92%
206
8%
18
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Good
206 DaysModerate
18 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 225 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
Rio Vista Ys, Rio Vista, 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
59AQI
59AQI
2nd January 2025
48AQI
48AQI
3rd January 2025
53AQI
53AQI
4th January 2025
33AQI
33AQI
5th January 2025
34AQI
34AQI
6th January 2025
46AQI
46AQI
7th January 2025
26AQI
26AQI
8th January 2025
31AQI
31AQI
9th January 2025
48AQI
48AQI
10th January 2025
66AQI
66AQI
11th January 2025
39AQI
39AQI
12th January 2025
26AQI
26AQI
13th January 2025
37AQI
37AQI
14th January 2025
44AQI
44AQI
15th January 2025
56AQI
56AQI
16th January 2025
57AQI
57AQI
17th January 2025
53AQI
53AQI
18th January 2025
49AQI
49AQI
19th January 2025
65AQI
65AQI
20th January 2025
37AQI
37AQI
21st January 2025
42AQI
42AQI
22nd January 2025
49AQI
49AQI
23rd January 2025
54AQI
54AQI
24th January 2025
59AQI
59AQI
25th January 2025
49AQI
49AQI
26th January 2025
34AQI
34AQI
27th January 2025
27AQI
27AQI
28th January 2025
48AQI
48AQI
29th January 2025
45AQI
45AQI
30th January 2025
47AQI
47AQI
31st January 2025
51AQI
51AQI
1st February 2025
52AQI
52AQI
2nd February 2025
26AQI
26AQI
3rd February 2025
22AQI
22AQI
4th February 2025
21AQI
21AQI
5th February 2025
26AQI
26AQI
6th February 2025
29AQI
29AQI
7th February 2025
25AQI
25AQI
8th February 2025
23AQI
23AQI
9th February 2025
28AQI
28AQI
10th February 2025
27AQI
27AQI
11th February 2025
31AQI
31AQI
12th February 2025
28AQI
28AQI
13th February 2025
28AQI
28AQI
14th February 2025
29AQI
29AQI
15th February 2025
26AQI
26AQI
16th February 2025
31AQI
31AQI
17th February 2025
23AQI
23AQI
18th February 2025
25AQI
25AQI
19th February 2025
26AQI
26AQI
20th February 2025
26AQI
26AQI
21st February 2025
25AQI
25AQI
22nd February 2025
40AQI
40AQI
23rd February 2025
25AQI
25AQI
24th February 2025
23AQI
23AQI
25th February 2025
22AQI
22AQI
26th February 2025
28AQI
28AQI
27th February 2025
40AQI
40AQI
28th February 2025
40AQI
40AQI
1st March 2025
36AQI
36AQI
2nd March 2025
27AQI
27AQI
3rd March 2025
23AQI
23AQI
4th March 2025
22AQI
22AQI
5th March 2025
25AQI
25AQI
6th March 2025
27AQI
27AQI
7th March 2025
29AQI
29AQI
8th March 2025
30AQI
30AQI
9th March 2025
37AQI
37AQI
10th March 2025
28AQI
28AQI
11th March 2025
31AQI
31AQI
12th March 2025
26AQI
26AQI
13th March 2025
20AQI
20AQI
14th March 2025
18AQI
18AQI
15th March 2025
42AQI
42AQI
16th March 2025
36AQI
36AQI
17th March 2025
16AQI
16AQI
18th March 2025
18AQI
18AQI
19th March 2025
20AQI
20AQI
20th March 2025
16AQI
16AQI
21st March 2025
19AQI
19AQI
22nd March 2025
19AQI
19AQI
23rd March 2025
21AQI
21AQI
24th March 2025
25AQI
25AQI
25th March 2025
33AQI
33AQI
26th March 2025
29AQI
29AQI
27th March 2025
23AQI
23AQI
28th March 2025
37AQI
37AQI
29th March 2025
28AQI
28AQI
30th March 2025
36AQI
36AQI
31st March 2025
31AQI
31AQI
1st April 2025
36AQI
36AQI
2nd April 2025
25AQI
25AQI
3rd April 2025
32AQI
32AQI
4th April 2025
32AQI
32AQI
5th April 2025
32AQI
32AQI
6th April 2025
31AQI
31AQI
7th April 2025
21AQI
21AQI
8th April 2025
29AQI
29AQI
9th April 2025
34AQI
34AQI
10th April 2025
37AQI
37AQI
11th April 2025
33AQI
33AQI
12th April 2025
44AQI
44AQI
13th April 2025
39AQI
39AQI
14th April 2025
37AQI
37AQI
15th April 2025
43AQI
43AQI
16th April 2025
36AQI
36AQI
17th April 2025
31AQI
31AQI
18th April 2025
38AQI
38AQI
19th April 2025
44AQI
44AQI
20th April 2025
43AQI
43AQI
21st April 2025
44AQI
44AQI
22nd April 2025
46AQI
46AQI
23rd April 2025
51AQI
51AQI
24th April 2025
50AQI
50AQI
25th April 2025
32AQI
32AQI
26th April 2025
31AQI
31AQI
27th April 2025
38AQI
38AQI
28th April 2025
39AQI
39AQI
29th April 2025
49AQI
49AQI
30th April 2025
45AQI
45AQI
1st May 2025
44AQI
44AQI
2nd May 2025
33AQI
33AQI
3rd May 2025
25AQI
25AQI
4th May 2025
32AQI
32AQI
5th May 2025
29AQI
29AQI
6th May 2025
39AQI
39AQI
7th May 2025
53AQI
53AQI
8th May 2025
45AQI
45AQI
9th May 2025
39AQI
39AQI
10th May 2025
38AQI
38AQI
11th May 2025
33AQI
33AQI
12th May 2025
31AQI
31AQI
13th May 2025
29AQI
29AQI
14th May 2025
34AQI
34AQI
15th May 2025
38AQI
38AQI
16th May 2025
47AQI
47AQI
17th May 2025
39AQI
39AQI
18th May 2025
36AQI
36AQI
19th May 2025
36AQI
36AQI
20th May 2025
28AQI
28AQI
21st May 2025
38AQI
38AQI
22nd May 2025
44AQI
44AQI
23rd May 2025
32AQI
32AQI
24th May 2025
41AQI
41AQI
25th May 2025
33AQI
33AQI
26th May 2025
26AQI
26AQI
27th May 2025
34AQI
34AQI
28th May 2025
34AQI
34AQI
29th May 2025
29AQI
29AQI
30th May 2025
37AQI
37AQI
31st May 2025
44AQI
44AQI
1st June 2025
51AQI
51AQI
2nd June 2025
53AQI
53AQI
3rd June 2025
45AQI
45AQI
4th June 2025
52AQI
52AQI
5th June 2025
44AQI
44AQI
6th June 2025
30AQI
30AQI
7th June 2025
36AQI
36AQI
8th June 2025
32AQI
32AQI
9th June 2025
30AQI
30AQI
10th June 2025
32AQI
32AQI
11th June 2025
49AQI
49AQI
12th June 2025
52AQI
52AQI
13th June 2025
52AQI
52AQI
14th June 2025
48AQI
48AQI
15th June 2025
48AQI
48AQI
16th June 2025
46AQI
46AQI
17th June 2025
39AQI
39AQI
18th June 2025
38AQI
38AQI
19th June 2025
43AQI
43AQI
20th June 2025
44AQI
44AQI
21st June 2025
42AQI
42AQI
22nd June 2025
41AQI
41AQI
23rd June 2025
39AQI
39AQI
24th June 2025
35AQI
35AQI
25th June 2025
30AQI
30AQI
26th June 2025
33AQI
33AQI
27th June 2025
36AQI
36AQI
28th June 2025
39AQI
39AQI
29th June 2025
37AQI
37AQI
30th June 2025
30AQI
30AQI
1st July 2025
30AQI
30AQI
2nd July 2025
31AQI
31AQI
3rd July 2025
41AQI
41AQI
4th July 2025
38AQI
38AQI
5th July 2025
40AQI
40AQI
6th July 2025
40AQI
40AQI
7th July 2025
31AQI
31AQI
8th July 2025
27AQI
27AQI
9th July 2025
25AQI
25AQI
10th July 2025
31AQI
31AQI
11th July 2025
43AQI
43AQI
12th July 2025
44AQI
44AQI
13th July 2025
36AQI
36AQI
14th July 2025
28AQI
28AQI
15th July 2025
28AQI
28AQI
16th July 2025
29AQI
29AQI
17th July 2025
27AQI
27AQI
18th July 2025
27AQI
27AQI
19th July 2025
28AQI
28AQI
20th July 2025
27AQI
27AQI
21st July 2025
30AQI
30AQI
22nd July 2025
21AQI
21AQI
23rd July 2025
22AQI
22AQI
24th July 2025
22AQI
22AQI
25th July 2025
21AQI
21AQI
26th July 2025
21AQI
21AQI
27th July 2025
22AQI
22AQI
28th July 2025
25AQI
25AQI
29th July 2025
30AQI
30AQI
30th July 2025
32AQI
32AQI
31st July 2025
28AQI
28AQI
1st August 2025
27AQI
27AQI
2nd August 2025
26AQI
26AQI
3rd August 2025
37AQI
37AQI
4th August 2025
37AQI
37AQI
5th August 2025
33AQI
33AQI
6th August 2025
38AQI
38AQI
7th August 2025
36AQI
36AQI
8th August 2025
39AQI
39AQI
9th August 2025
38AQI
38AQI
10th August 2025
31AQI
31AQI
11th August 2025
31AQI
31AQI
12th August 2025
30AQI
30AQI
46AQI
28AQI
27AQI
37AQI
36AQI
41AQI
30AQI
34AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202535AQI
21
10
27
1
31
29
1
30
1
25
5
31
12
206
18
Highest AQI recorded in
January46AQI
Lowest AQI recorded in
March27AQI
202436AQI
26
5
28
31
29
31
20
9
28
3
27
4
28
1
27
4
26
4
16
15
317
45
Highest AQI recorded in
December52AQI
Lowest AQI recorded in
March25AQI
202344AQI
23
5
17
11
30
1
26
1
18
5
24
6
19
12
19
12
21
7
2
25
6
17
11
20
11
259
88
2
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
March35AQI
202240AQI
12
18
15
7
31
23
1
31
30
13
6
1
1
16
13
23
8
22
7
1
18
12
1
235
73
2
Highest AQI recorded in
August62AQI
Lowest AQI recorded in
March24AQI
202135AQI
21
9
26
2
27
29
1
31
30
31
18
11
2
22
8
26
2
20
10
18
13
299
56
2
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
June24AQI
202037AQI
13
15
18
30
26
19
4
8
9
13
4
3
1
19
9
2
1
24
6
16
15
189
47
14
4
1
Highest AQI recorded in
September80AQI
Lowest AQI recorded in
April0AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
44AQILeast Polluted Year Recorded
2021(Avg.)
35AQIRio Vista Ys's annual 2025 AQI (35) shows an average percentage change of -8.2% (improved AQI) compared to previous years: 2020 (37), 2021 (35), 2022 (40), 2023 (44), 2024 (36).
