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+
October 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
19th Oct 2023
66AQILowest AQI recorded on
14th Oct 2021
5AQISame Day Analysis (31st October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 63 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 30th Oct - 31st Oct 2025
Rio Vista Ys, Rio Vista, California, United States
AQI
Day
Night
.
7 AM30th Oct 2025
6 PM
6 AM31st Oct 2025
Day time
Avg. Highest Time
2PM30th Oct
65AQI
Avg. Lowest Time
5PM30th Oct
53AQI
Night time
Avg. Highest Time
3AM31st Oct
69AQI
Avg. Lowest Time
7PM30th Oct
55AQI
In the last 24 hours,
Rio Vista Ys's AQI reached its highest point of 69 at 3 AM during the Night, while the lowest point, 53, was recorded at 5 PM during the Day between 30th Oct and 31st Oct 2025.
Day & Night AQI Trend : Oct 2025
Rio Vista Ys, Rio Vista, California, United States
Oct
01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st
Day
Night
1st Oct 2025417 AMAQI
1st Oct 2025438 AMAQI
1st Oct 2025529 AMAQI
1st Oct 20254410 AMAQI
1st Oct 20254211 AMAQI
1st Oct 20254412 PMAQI
1st Oct 2025451 PMAQI
1st Oct 2025502 PMAQI
1st Oct 2025453 PMAQI
1st Oct 2025464 PMAQI
1st Oct 2025455 PMAQI
1st Oct 2025446 PMAQI
1st Oct 2025497 PMAQI
1st Oct 2025388 PMAQI
1st Oct 2025369 PMAQI
1st Oct 20253910 PMAQI
1st Oct 20254511 PMAQI
2nd Oct 20254312 AMAQI
2nd Oct 2025481 AMAQI
2nd Oct 2025422 AMAQI
2nd Oct 2025423 AMAQI
2nd Oct 2025394 AMAQI
2nd Oct 2025505 AMAQI
2nd Oct 2025536 AMAQI
21°C18/26°C
2nd Oct 2025537 AMAQI
2nd Oct 2025408 AMAQI
2nd Oct 2025369 AMAQI
2nd Oct 20251810 AMAQI
2nd Oct 20251311 AMAQI
2nd Oct 20254012 PMAQI
2nd Oct 2025481 PMAQI
2nd Oct 2025402 PMAQI
2nd Oct 2025383 PMAQI
2nd Oct 2025514 PMAQI
2nd Oct 2025545 PMAQI
2nd Oct 2025526 PMAQI
2nd Oct 2025557 PMAQI
2nd Oct 2025548 PMAQI
2nd Oct 2025559 PMAQI
2nd Oct 20256510 PMAQI
2nd Oct 20255311 PMAQI
3rd Oct 20255512 AMAQI
3rd Oct 2025541 AMAQI
3rd Oct 2025562 AMAQI
3rd Oct 2025573 AMAQI
3rd Oct 2025484 AMAQI
3rd Oct 2025435 AMAQI
3rd Oct 2025526 AMAQI
19°C16/25°C
3rd Oct 2025387 AMAQI
3rd Oct 2025498 AMAQI
3rd Oct 2025589 AMAQI
3rd Oct 20256610 AMAQI
3rd Oct 20253911 AMAQI
3rd Oct 20255212 PMAQI
3rd Oct 2025501 PMAQI
3rd Oct 2025562 PMAQI
3rd Oct 2025553 PMAQI
3rd Oct 2025554 PMAQI
3rd Oct 2025545 PMAQI
3rd Oct 2025536 PMAQI
3rd Oct 2025537 PMAQI
3rd Oct 2025528 PMAQI
3rd Oct 2025569 PMAQI
3rd Oct 20255410 PMAQI
3rd Oct 20254511 PMAQI
4th Oct 20255312 AMAQI
4th Oct 2025531 AMAQI
4th Oct 2025542 AMAQI
4th Oct 2025533 AMAQI
4th Oct 2025564 AMAQI
4th Oct 2025655 AMAQI
4th Oct 2025576 AMAQI
18°C15/23°C
4th Oct 2025487 AMAQI
4th Oct 2025508 AMAQI
4th Oct 2025569 AMAQI
4th Oct 20255110 AMAQI
4th Oct 20254711 AMAQI
4th Oct 20255412 PMAQI
4th Oct 2025491 PMAQI
4th Oct 2025452 PMAQI
4th Oct 2025523 PMAQI
4th Oct 2025494 PMAQI
4th Oct 2025545 PMAQI
4th Oct 2025446 PMAQI
4th Oct 2025497 PMAQI
4th Oct 2025148 PMAQI
4th Oct 2025499 PMAQI
4th Oct 20255710 PMAQI
4th Oct 20255511 PMAQI
5th Oct 20255512 AMAQI
5th Oct 2025581 AMAQI
5th Oct 2025582 AMAQI
5th Oct 2025543 AMAQI
5th Oct 2025524 AMAQI
5th Oct 2025425 AMAQI
5th Oct 2025536 AMAQI
20°C14/28°C
5th Oct 2025537 AMAQI
5th Oct 2025408 AMAQI
5th Oct 2025529 AMAQI
5th Oct 20255810 AMAQI
5th Oct 20255611 AMAQI
5th Oct 20256112 PMAQI
5th Oct 2025591 PMAQI
5th Oct 2025592 PMAQI
5th Oct 2025563 PMAQI
5th Oct 2025574 PMAQI
5th Oct 2025565 PMAQI
5th Oct 2025516 PMAQI
5th Oct 2025547 PMAQI
5th Oct 2025558 PMAQI
5th Oct 2025559 PMAQI
5th Oct 20255910 PMAQI
5th Oct 20255911 PMAQI
6th Oct 20255912 AMAQI
6th Oct 2025581 AMAQI
6th Oct 2025582 AMAQI
6th Oct 2025583 AMAQI
6th Oct 2025564 AMAQI
6th Oct 2025705 AMAQI
6th Oct 2025466 AMAQI
21°C14/30°C
6th Oct 2025457 AMAQI
6th Oct 2025388 AMAQI
6th Oct 2025709 AMAQI
6th Oct 20251110 AMAQI
7th Oct 2025154 AMAQI
7th Oct 2025285 AMAQI
7th Oct 2025466 AMAQI
22°C15/32°C
7th Oct 2025517 AMAQI
7th Oct 2025508 AMAQI
7th Oct 2025549 AMAQI
7th Oct 20255910 AMAQI
7th Oct 20255811 AMAQI
7th Oct 20254512 PMAQI
7th Oct 2025371 PMAQI
7th Oct 2025392 PMAQI
7th Oct 2025433 PMAQI
7th Oct 2025404 PMAQI
7th Oct 2025215 PMAQI
7th Oct 2025496 PMAQI
7th Oct 2025527 PMAQI
7th Oct 2025468 PMAQI
7th Oct 2025539 PMAQI
7th Oct 20255510 PMAQI
7th Oct 20255011 PMAQI
8th Oct 20255412 AMAQI
8th Oct 2025581 AMAQI
8th Oct 2025592 AMAQI
8th Oct 2025583 AMAQI
8th Oct 2025584 AMAQI
8th Oct 2025635 AMAQI
8th Oct 2025556 AMAQI
24°C15/34°C
8th Oct 2025557 AMAQI
8th Oct 2025598 AMAQI
8th Oct 2025739 AMAQI
8th Oct 20255810 AMAQI
8th Oct 20255911 AMAQI
8th Oct 20256412 PMAQI
8th Oct 2025731 PMAQI
8th Oct 2025752 PMAQI
8th Oct 2025623 PMAQI
8th Oct 2025624 PMAQI
8th Oct 2025585 PMAQI
8th Oct 2025586 PMAQI
8th Oct 2025587 PMAQI
8th Oct 2025618 PMAQI
8th Oct 2025629 PMAQI
8th Oct 20256210 PMAQI
8th Oct 20256111 PMAQI
9th Oct 20257312 AMAQI
9th Oct 2025501 AMAQI
9th Oct 2025252 AMAQI
9th Oct 2025353 AMAQI
9th Oct 2025434 AMAQI
9th Oct 2025515 AMAQI
9th Oct 2025576 AMAQI
20°C16/26°C
9th Oct 2025597 AMAQI
9th Oct 2025608 AMAQI
9th Oct 2025589 AMAQI
9th Oct 20256810 AMAQI
9th Oct 20256411 AMAQI
9th Oct 20256812 PMAQI
9th Oct 2025681 PMAQI
9th Oct 2025622 PMAQI
9th Oct 2025603 PMAQI
9th Oct 2025554 PMAQI
9th Oct 2025555 PMAQI
9th Oct 2025566 PMAQI
9th Oct 2025517 PMAQI
9th Oct 2025518 PMAQI
9th Oct 2025409 PMAQI
9th Oct 20255610 PMAQI
9th Oct 20256011 PMAQI
10th Oct 20255812 AMAQI
10th Oct 2025541 AMAQI
10th Oct 2025522 AMAQI
10th Oct 2025553 AMAQI
10th Oct 2025624 AMAQI
10th Oct 2025645 AMAQI
10th Oct 2025616 AMAQI
18°C13/23°C
10th Oct 2025447 AMAQI
10th Oct 2025418 AMAQI
10th Oct 2025279 AMAQI
10th Oct 20251910 AMAQI
10th Oct 20252211 AMAQI
10th Oct 20254712 PMAQI
10th Oct 2025561 PMAQI
10th Oct 2025542 PMAQI
10th Oct 2025533 PMAQI
10th Oct 2025564 PMAQI
10th Oct 2025465 PMAQI
10th Oct 2025446 PMAQI
10th Oct 2025167 PMAQI
10th Oct 2025168 PMAQI
10th Oct 2025379 PMAQI
10th Oct 20254510 PMAQI
10th Oct 20255611 PMAQI
11th Oct 20255912 AMAQI
11th Oct 2025461 AMAQI
11th Oct 2025402 AMAQI
11th Oct 2025543 AMAQI
11th Oct 2025544 AMAQI
11th Oct 2025445 AMAQI
11th Oct 2025156 AMAQI
19°C13/27°C
11th Oct 2025327 AMAQI
11th Oct 2025608 AMAQI
11th Oct 2025399 AMAQI
11th Oct 20254010 AMAQI
11th Oct 20251511 AMAQI
11th Oct 20251412 PMAQI
11th Oct 2025121 PMAQI
11th Oct 2025452 PMAQI
11th Oct 2025133 PMAQI
11th Oct 2025134 PMAQI
11th Oct 2025425 PMAQI
11th Oct 2025566 PMAQI
11th Oct 2025547 PMAQI
11th Oct 2025218 PMAQI
11th Oct 2025229 PMAQI
11th Oct 20254010 PMAQI
11th Oct 20255511 PMAQI
12th Oct 20255212 AMAQI
12th Oct 2025521 AMAQI
12th Oct 2025532 AMAQI
12th Oct 2025523 AMAQI
12th Oct 2025544 AMAQI
12th Oct 2025655 AMAQI
12th Oct 2025566 AMAQI
18°C12/25°C
12th Oct 2025417 AMAQI
12th Oct 2025288 AMAQI
12th Oct 2025569 AMAQI
12th Oct 20255810 AMAQI
12th Oct 20255611 AMAQI
12th Oct 20254112 PMAQI
12th Oct 2025131 PMAQI
12th Oct 2025412 PMAQI
12th Oct 2025553 PMAQI
12th Oct 2025574 PMAQI
12th Oct 2025405 PMAQI
12th Oct 2025486 PMAQI
12th Oct 2025427 PMAQI
12th Oct 2025128 PMAQI
12th Oct 2025149 PMAQI
12th Oct 20254010 PMAQI
12th Oct 20251711 PMAQI
13th Oct 20255212 AMAQI
13th Oct 2025511 AMAQI
13th Oct 2025652 AMAQI
13th Oct 2025673 AMAQI
13th Oct 2025454 AMAQI
13th Oct 2025545 AMAQI
13th Oct 2025586 AMAQI
18°C11/27°C
13th Oct 2025547 AMAQI
13th Oct 2025518 AMAQI
13th Oct 2025459 AMAQI
13th Oct 20255310 AMAQI
13th Oct 20255411 AMAQI
13th Oct 20255612 PMAQI
13th Oct 2025571 PMAQI
13th Oct 2025592 PMAQI
13th Oct 2025503 PMAQI
13th Oct 2025494 PMAQI
13th Oct 2025525 PMAQI
13th Oct 2025556 PMAQI
13th Oct 2025557 PMAQI
13th Oct 2025558 PMAQI
13th Oct 2025539 PMAQI
13th Oct 20254510 PMAQI
13th Oct 20254711 PMAQI
14th Oct 20255612 AMAQI
14th Oct 2025571 AMAQI
14th Oct 2025442 AMAQI
14th Oct 2025433 AMAQI
14th Oct 2025554 AMAQI
14th Oct 2025585 AMAQI
14th Oct 2025586 AMAQI
15°C11/19°C
14th Oct 2025587 AMAQI
14th Oct 2025608 AMAQI
14th Oct 2025589 AMAQI
14th Oct 20256310 AMAQI
14th Oct 20254911 AMAQI
14th Oct 20255212 PMAQI
14th Oct 2025511 PMAQI
14th Oct 2025322 PMAQI
14th Oct 2025263 PMAQI
14th Oct 2025474 PMAQI
14th Oct 2025545 PMAQI
14th Oct 2025516 PMAQI
14th Oct 2025507 PMAQI
14th Oct 2025568 PMAQI
14th Oct 2025549 PMAQI
14th Oct 20255410 PMAQI
14th Oct 20254011 PMAQI
15th Oct 20254312 AMAQI
15th Oct 2025451 AMAQI
15th Oct 2025392 AMAQI
15th Oct 2025453 AMAQI
15th Oct 2025474 AMAQI
15th Oct 2025515 AMAQI
15th Oct 2025516 AMAQI
13°C11/16°C
15th Oct 2025477 AMAQI
15th Oct 2025698 AMAQI
15th Oct 2025589 AMAQI
15th Oct 20255310 AMAQI
15th Oct 20255111 AMAQI
15th Oct 20254912 PMAQI
15th Oct 2025541 PMAQI
15th Oct 2025532 PMAQI
15th Oct 2025503 PMAQI
15th Oct 2025504 PMAQI
15th Oct 2025565 PMAQI
15th Oct 2025576 PMAQI
15th Oct 2025537 PMAQI
15th Oct 2025528 PMAQI
15th Oct 2025499 PMAQI
15th Oct 20254510 PMAQI
15th Oct 20255011 PMAQI
16th Oct 20255112 AMAQI
16th Oct 2025491 AMAQI
16th Oct 2025562 AMAQI
16th Oct 2025563 AMAQI
16th Oct 2025514 AMAQI
16th Oct 2025505 AMAQI
16th Oct 2025586 AMAQI
14°C12/17°C
16th Oct 2025557 AMAQI
16th Oct 2025388 AMAQI
16th Oct 2025259 AMAQI
16th Oct 20255410 AMAQI
16th Oct 20256011 AMAQI
16th Oct 20255312 PMAQI
16th Oct 2025541 PMAQI
16th Oct 2025552 PMAQI
16th Oct 2025453 PMAQI
16th Oct 2025154 PMAQI
16th Oct 2025435 PMAQI
16th Oct 2025526 PMAQI
16th Oct 2025517 PMAQI
16th Oct 2025518 PMAQI
16th Oct 2025569 PMAQI
16th Oct 20255710 PMAQI
16th Oct 20255611 PMAQI
17th Oct 20256012 AMAQI
17th Oct 2025581 AMAQI
17th Oct 2025582 AMAQI
17th Oct 2025553 AMAQI
17th Oct 2025574 AMAQI
17th Oct 2025625 AMAQI
17th Oct 2025616 AMAQI
15°C10/20°C
17th Oct 2025577 AMAQI
17th Oct 2025558 AMAQI
17th Oct 2025539 AMAQI
17th Oct 20254910 AMAQI
17th Oct 20254811 AMAQI
17th Oct 20255612 PMAQI
17th Oct 2025671 PMAQI
17th Oct 2025622 PMAQI
17th Oct 2025613 PMAQI
17th Oct 2025564 PMAQI
17th Oct 2025545 PMAQI
17th Oct 2025526 PMAQI
17th Oct 2025587 PMAQI
17th Oct 2025578 PMAQI
17th Oct 2025649 PMAQI
17th Oct 20256210 PMAQI
17th Oct 20255811 PMAQI
18th Oct 20256812 AMAQI
18th Oct 2025691 AMAQI
18th Oct 2025652 AMAQI
18th Oct 2025653 AMAQI
18th Oct 2025644 AMAQI
18th Oct 2025615 AMAQI
18th Oct 2025666 AMAQI
16°C10/24°C
18th Oct 2025687 AMAQI
18th Oct 2025668 AMAQI
18th Oct 2025669 AMAQI
18th Oct 20256110 AMAQI
18th Oct 20256011 AMAQI
18th Oct 20257112 PMAQI
18th Oct 2025781 PMAQI
18th Oct 2025672 PMAQI
18th Oct 2025603 PMAQI
18th Oct 2025674 PMAQI
18th Oct 2025615 PMAQI
18th Oct 2025616 PMAQI
18th Oct 2025577 PMAQI
18th Oct 2025578 PMAQI
18th Oct 2025589 PMAQI
18th Oct 20256110 PMAQI
18th Oct 20258311 PMAQI
19th Oct 20258412 AMAQI
19th Oct 2025841 AMAQI
19th Oct 2025732 AMAQI
19th Oct 2025673 AMAQI
19th Oct 2025684 AMAQI
19th Oct 2025655 AMAQI
19th Oct 2025736 AMAQI
18°C11/27°C
19th Oct 2025677 AMAQI
19th Oct 2025658 AMAQI
19th Oct 2025719 AMAQI
19th Oct 20257510 AMAQI
19th Oct 20256711 AMAQI
19th Oct 20257512 PMAQI
19th Oct 2025551 PMAQI
19th Oct 2025562 PMAQI
19th Oct 2025593 PMAQI
19th Oct 2025564 PMAQI
19th Oct 2025565 PMAQI
19th Oct 2025406 PMAQI
19th Oct 2025177 PMAQI
19th Oct 2025138 PMAQI
19th Oct 2025349 PMAQI
19th Oct 20255410 PMAQI
19th Oct 20253311 PMAQI
20th Oct 20253412 AMAQI
20th Oct 2025541 AMAQI
20th Oct 2025562 AMAQI
20th Oct 2025343 AMAQI
20th Oct 2025344 AMAQI
20th Oct 2025545 AMAQI
20th Oct 2025586 AMAQI
19°C12/28°C
20th Oct 2025567 AMAQI
20th Oct 2025378 AMAQI
20th Oct 2025149 AMAQI
20th Oct 20251310 AMAQI
20th Oct 20251311 AMAQI
20th Oct 20253212 PMAQI
20th Oct 2025561 PMAQI
20th Oct 2025372 PMAQI
20th Oct 2025293 PMAQI
20th Oct 2025194 PMAQI
20th Oct 2025385 PMAQI
20th Oct 2025386 PMAQI
20th Oct 2025237 PMAQI
20th Oct 2025178 PMAQI
20th Oct 2025189 PMAQI
20th Oct 20253810 PMAQI
20th Oct 20255811 PMAQI
21st Oct 20255612 AMAQI
21st Oct 2025491 AMAQI
21st Oct 2025242 AMAQI
21st Oct 2025323 AMAQI
21st Oct 2025544 AMAQI
21st Oct 2025365 AMAQI
21st Oct 2025186 AMAQI
20°C14/28°C
21st Oct 2025477 AMAQI
21st Oct 2025528 AMAQI
21st Oct 2025529 AMAQI
21st Oct 20255010 AMAQI
21st Oct 20255111 AMAQI
21st Oct 20255112 PMAQI
21st Oct 2025561 PMAQI
21st Oct 2025582 PMAQI
21st Oct 2025503 PMAQI
21st Oct 2025444 PMAQI
21st Oct 2025365 PMAQI
21st Oct 2025376 PMAQI
21st Oct 2025487 PMAQI
21st Oct 2025528 PMAQI
21st Oct 2025529 PMAQI
21st Oct 20255810 PMAQI
21st Oct 20255811 PMAQI
22nd Oct 20255612 AMAQI
22nd Oct 2025571 AMAQI
22nd Oct 2025652 AMAQI
22nd Oct 2025653 AMAQI
22nd Oct 2025584 AMAQI
22nd Oct 2025565 AMAQI
22nd Oct 2025566 AMAQI
19°C11/29°C
22nd Oct 2025557 AMAQI
22nd Oct 2025558 AMAQI
22nd Oct 2025559 AMAQI
22nd Oct 20255410 AMAQI
22nd Oct 20255811 AMAQI
22nd Oct 20255512 PMAQI
22nd Oct 2025431 PMAQI
22nd Oct 2025462 PMAQI
22nd Oct 2025463 PMAQI
22nd Oct 2025364 PMAQI
22nd Oct 2025365 PMAQI
22nd Oct 2025456 PMAQI
22nd Oct 2025447 PMAQI
22nd Oct 2025498 PMAQI
22nd Oct 2025589 PMAQI
22nd Oct 20255410 PMAQI
22nd Oct 20254911 PMAQI
23rd Oct 20255412 AMAQI
23rd Oct 2025591 AMAQI
23rd Oct 2025632 AMAQI
23rd Oct 2025633 AMAQI
23rd Oct 2025564 AMAQI
23rd Oct 2025575 AMAQI
23rd Oct 2025566 AMAQI
17°C14/23°C
23rd Oct 2025577 AMAQI
23rd Oct 2025578 AMAQI
23rd Oct 2025559 AMAQI
23rd Oct 20255510 AMAQI
23rd Oct 20255611 AMAQI
23rd Oct 20256112 PMAQI
23rd Oct 2025621 PMAQI
23rd Oct 2025562 PMAQI
23rd Oct 2025573 PMAQI
23rd Oct 2025574 PMAQI
23rd Oct 2025635 PMAQI
23rd Oct 2025676 PMAQI
23rd Oct 2025667 PMAQI
23rd Oct 2025688 PMAQI
23rd Oct 2025699 PMAQI
23rd Oct 20257210 PMAQI
23rd Oct 20256811 PMAQI
24th Oct 20256112 AMAQI
24th Oct 2025611 AMAQI
24th Oct 2025532 AMAQI
24th Oct 2025503 AMAQI
24th Oct 2025574 AMAQI
24th Oct 2025575 AMAQI
24th Oct 2025566 AMAQI
17°C12/24°C
24th Oct 2025567 AMAQI
24th Oct 2025608 AMAQI
24th Oct 2025489 AMAQI
24th Oct 20253610 AMAQI
24th Oct 20254411 AMAQI
24th Oct 20255912 PMAQI
24th Oct 2025621 PMAQI
24th Oct 2025572 PMAQI
24th Oct 2025563 PMAQI
24th Oct 2025564 PMAQI
24th Oct 2025475 PMAQI
24th Oct 2025446 PMAQI
24th Oct 2025567 PMAQI
24th Oct 2025608 PMAQI
24th Oct 2025579 PMAQI
24th Oct 20255010 PMAQI
24th Oct 20254811 PMAQI
25th Oct 20254712 AMAQI
25th Oct 2025341 AMAQI
25th Oct 2025282 AMAQI
25th Oct 2025253 AMAQI
25th Oct 2025424 AMAQI
25th Oct 2025445 AMAQI
25th Oct 2025366 AMAQI
16°C11/22°C
25th Oct 2025507 AMAQI
25th Oct 2025508 AMAQI
25th Oct 2025449 AMAQI
25th Oct 20255310 AMAQI
25th Oct 20255611 AMAQI
25th Oct 20255012 PMAQI
25th Oct 2025521 PMAQI
25th Oct 2025562 PMAQI
25th Oct 2025533 PMAQI
25th Oct 2025474 PMAQI
25th Oct 2025385 PMAQI
25th Oct 2025286 PMAQI
25th Oct 2025337 PMAQI
25th Oct 2025448 PMAQI
25th Oct 2025429 PMAQI
25th Oct 20254210 PMAQI
25th Oct 20254811 PMAQI
26th Oct 20255512 AMAQI
26th Oct 2025561 AMAQI
26th Oct 2025512 AMAQI
26th Oct 2025503 AMAQI
26th Oct 2025554 AMAQI
26th Oct 2025575 AMAQI
26th Oct 2025546 AMAQI
16°C13/22°C
26th Oct 2025457 AMAQI
26th Oct 2025478 AMAQI
26th Oct 2025559 AMAQI
26th Oct 20255510 AMAQI
26th Oct 20255811 AMAQI
26th Oct 20256012 PMAQI
26th Oct 2025561 PMAQI
26th Oct 2025552 PMAQI
26th Oct 2025563 PMAQI
26th Oct 2025534 PMAQI
26th Oct 2025525 PMAQI
26th Oct 2025486 PMAQI
26th Oct 2025427 PMAQI
26th Oct 2025468 PMAQI
26th Oct 2025539 PMAQI
26th Oct 20255310 PMAQI
26th Oct 20255211 PMAQI
27th Oct 20255812 AMAQI
27th Oct 2025611 AMAQI
27th Oct 2025562 AMAQI
27th Oct 2025563 AMAQI
27th Oct 2025534 AMAQI
27th Oct 2025475 AMAQI
27th Oct 2025386 AMAQI
16°C13/22°C
27th Oct 2025427 AMAQI
27th Oct 2025468 AMAQI
27th Oct 2025309 AMAQI
27th Oct 20252510 AMAQI
27th Oct 20253811 AMAQI
27th Oct 20254612 PMAQI
27th Oct 2025501 PMAQI
27th Oct 2025362 PMAQI
27th Oct 2025203 PMAQI
27th Oct 2025344 PMAQI
27th Oct 2025525 PMAQI
27th Oct 2025536 PMAQI
27th Oct 2025427 PMAQI
27th Oct 2025338 PMAQI
27th Oct 2025369 PMAQI
27th Oct 20254210 PMAQI
27th Oct 20254411 PMAQI
28th Oct 20254412 AMAQI
28th Oct 2025501 AMAQI
28th Oct 2025512 AMAQI
28th Oct 2025423 AMAQI
28th Oct 2025424 AMAQI
28th Oct 2025445 AMAQI
28th Oct 2025476 AMAQI
17°C12/24°C
28th Oct 2025527 AMAQI
28th Oct 2025538 AMAQI
28th Oct 2025509 AMAQI
28th Oct 20255210 AMAQI
28th Oct 20254911 AMAQI
28th Oct 20253812 PMAQI
28th Oct 2025421 PMAQI
28th Oct 2025532 PMAQI
28th Oct 2025563 PMAQI
28th Oct 2025504 PMAQI
28th Oct 2025445 PMAQI
28th Oct 2025486 PMAQI
28th Oct 2025627 PMAQI
28th Oct 2025638 PMAQI
28th Oct 2025549 PMAQI
28th Oct 20255410 PMAQI
28th Oct 20255611 PMAQI
29th Oct 20255712 AMAQI
29th Oct 2025501 AMAQI
29th Oct 2025472 AMAQI
29th Oct 2025533 AMAQI
29th Oct 2025554 AMAQI
29th Oct 2025585 AMAQI
29th Oct 2025606 AMAQI
17°C10/27°C
29th Oct 2025567 AMAQI
29th Oct 2025608 AMAQI
29th Oct 2025649 AMAQI
29th Oct 20256510 AMAQI
29th Oct 20257111 AMAQI
29th Oct 20256912 PMAQI
29th Oct 2025641 PMAQI
29th Oct 2025602 PMAQI
29th Oct 2025583 PMAQI
29th Oct 2025574 PMAQI
29th Oct 2025565 PMAQI
29th Oct 2025596 PMAQI
29th Oct 2025597 PMAQI
29th Oct 2025578 PMAQI
29th Oct 2025569 PMAQI
29th Oct 20255910 PMAQI
29th Oct 20255911 PMAQI
30th Oct 20256112 AMAQI
30th Oct 2025661 AMAQI
30th Oct 2025622 AMAQI
30th Oct 2025593 AMAQI
30th Oct 2025534 AMAQI
30th Oct 2025485 AMAQI
30th Oct 2025556 AMAQI
19°C11/29°C
30th Oct 2025567 AMAQI
30th Oct 2025608 AMAQI
30th Oct 2025639 AMAQI
30th Oct 20255910 AMAQI
30th Oct 20255411 AMAQI
30th Oct 20255412 PMAQI
30th Oct 2025611 PMAQI
30th Oct 2025652 PMAQI
30th Oct 2025563 PMAQI
30th Oct 2025544 PMAQI
30th Oct 2025535 PMAQI
30th Oct 2025546 PMAQI
30th Oct 2025557 PMAQI
30th Oct 2025568 PMAQI
30th Oct 2025569 PMAQI
30th Oct 20256010 PMAQI
30th Oct 20256211 PMAQI
31st Oct 20256212 AMAQI
31st Oct 2025601 AMAQI
31st Oct 2025602 AMAQI
31st Oct 2025693 AMAQI
31st Oct 2025684 AMAQI
31st Oct 2025615 AMAQI
31st Oct 2025566 AMAQI
15°C12/20°C
31st Oct 2025567 AMAQI
7 AM31st Oct 2025588 AMAQI
31st Oct 2025609 AMAQI
31st Oct 20256210 AMAQI
31st Oct 20256311 AMAQI
31st Oct 20256812 PMAQI
12 PM31st Oct 2025701 PMAQI
31st Oct 2025652 PMAQI
6 PM
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
12 PM - 2 PM
53AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
3 PM - 6 PM
49AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 2 PM (Avg. 53), while the lowest AQI was between 3 PM to 6 PM (Avg. 49).
Night time
Avg. Highest Time
12 AM - 1 AM
55AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
8 PM
45AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 55), while the lowest AQI was between 8 PM to 8 PM (Avg. 45).
2025 Days Vs Air Quality
Rio Vista Ys, Rio Vista, California, United States
2025
87%
263
13%
41
Total number of days with different AQI categories in last 304 days in 2025 (61 days remaining)
Good
263 DaysModerate
41 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 304 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
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
13th August 2025
27AQI
27AQI
14th August 2025
21AQI
21AQI
15th August 2025
41AQI
41AQI
16th August 2025
18AQI
18AQI
17th August 2025
16AQI
16AQI
18th August 2025
18AQI
18AQI
19th August 2025
22AQI
22AQI
20th August 2025
30AQI
30AQI
21st August 2025
42AQI
42AQI
22nd August 2025
52AQI
52AQI
23rd August 2025
37AQI
37AQI
24th August 2025
29AQI
29AQI
25th August 2025
30AQI
30AQI
26th August 2025
38AQI
38AQI
27th August 2025
43AQI
43AQI
28th August 2025
39AQI
39AQI
29th August 2025
28AQI
28AQI
30th August 2025
33AQI
33AQI
31st August 2025
34AQI
34AQI
1st September 2025
35AQI
35AQI
2nd September 2025
46AQI
46AQI
3rd September 2025
33AQI
33AQI
4th September 2025
37AQI
37AQI
5th September 2025
24AQI
24AQI
6th September 2025
32AQI
32AQI
7th September 2025
26AQI
26AQI
8th September 2025
21AQI
21AQI
9th September 2025
17AQI
17AQI
10th September 2025
18AQI
18AQI
11th September 2025
30AQI
30AQI
12th September 2025
35AQI
35AQI
13th September 2025
38AQI
38AQI
14th September 2025
25AQI
25AQI
15th September 2025
25AQI
25AQI
16th September 2025
38AQI
38AQI
17th September 2025
42AQI
42AQI
18th September 2025
42AQI
42AQI
19th September 2025
46AQI
46AQI
20th September 2025
44AQI
44AQI
21st September 2025
40AQI
40AQI
22nd September 2025
38AQI
38AQI
23rd September 2025
43AQI
43AQI
24th September 2025
51AQI
51AQI
25th September 2025
48AQI
48AQI
26th September 2025
57AQI
57AQI
27th September 2025
62AQI
62AQI
28th September 2025
52AQI
52AQI
29th September 2025
40AQI
40AQI
30th September 2025
39AQI
39AQI
1st October 2025
41AQI
41AQI
2nd October 2025
45AQI
45AQI
3rd October 2025
53AQI
53AQI
4th October 2025
50AQI
50AQI
5th October 2025
55AQI
55AQI
6th October 2025
58AQI
58AQI
7th October 2025
46AQI
46AQI
8th October 2025
60AQI
60AQI
9th October 2025
53AQI
53AQI
10th October 2025
45AQI
45AQI
11th October 2025
40AQI
40AQI
12th October 2025
44AQI
44AQI
13th October 2025
54AQI
54AQI
14th October 2025
51AQI
51AQI
15th October 2025
50AQI
50AQI
16th October 2025
51AQI
51AQI
17th October 2025
57AQI
57AQI
18th October 2025
65AQI
65AQI
19th October 2025
59AQI
59AQI
20th October 2025
36AQI
36AQI
21st October 2025
46AQI
46AQI
22nd October 2025
53AQI
53AQI
23rd October 2025
61AQI
61AQI
24th October 2025
53AQI
53AQI
25th October 2025
41AQI
41AQI
26th October 2025
52AQI
52AQI
27th October 2025
46AQI
46AQI
28th October 2025
50AQI
50AQI
29th October 2025
58AQI
58AQI
30th October 2025
58AQI
58AQI
31st October 2025
63AQI
63AQI
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
46AQI
28AQI
27AQI
37AQI
36AQI
41AQI
30AQI
32AQI
37AQI
51AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202537AQI
21
10
27
1
31
29
1
30
1
25
5
31
30
1
26
4
13
18
263
41
Highest AQI recorded in
October51AQI
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 (37) shows an average percentage change of -3.7% (improved AQI) compared to previous years: 2020 (37), 2021 (35), 2022 (40), 2023 (44), 2024 (36).
