New York, NY 81° Los Angeles, CA 75° Chicago, IL 74° Houston, TX 91° Miami, FL 87° Phoenix, AZ 90° Seattle, WA 60° Denver, CO 84° Toronto, ON 75° Vancouver, BC 61°
WeatherLiveCaliforniaRio VistaAir Quality

Rio Vista, CA Air Quality

← Rio Vista

Air quality in Rio Vista

The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.

US AQI · EPA
43
Good
PM2.5
9.9 µg/m³
WHO guideline 15
PM10
16.2 µg/m³
WHO guideline 45
NO₂ · O₃
2 · 92
µg/m³

Hour by hour (12h)

US EPA AQI
1:00 PM 💨 PM2.5 9.9 µg/m³
43Good
2:00 PM 💨 PM2.5 9.2 µg/m³
48Good
3:00 PM 💨 PM2.5 8.6 µg/m³
49Good
4:00 PM 💨 PM2.5 7.8 µg/m³
48Good
5:00 PM 💨 PM2.5 7.1 µg/m³
46Good
6:00 PM 💨 PM2.5 6.6 µg/m³
43Good
7:00 PM 💨 PM2.5 6.4 µg/m³
38Good
8:00 PM 💨 PM2.5 6.5 µg/m³
33Good
9:00 PM 💨 PM2.5 6.7 µg/m³
29Good
10:00 PM 💨 PM2.5 6.9 µg/m³
29Good
11:00 PM 💨 PM2.5 7.1 µg/m³
30Good
12:00 AM 💨 PM2.5 7.2 µg/m³
30Good

Next few days

daily max · US EPA AQI
Sat 💨 Moderate · UV High
51
Sun 💨 Good · UV High
46
Mon 💨 Moderate · UV High
70
Tue 💨 Unhealthy for Sensitive Groups · UV High
126
Wed 💨 Moderate · UV Very high
57
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 1:29 PM