New York, NY 80° Los Angeles, CA 87° Chicago, IL 70° 🌤️ Houston, TX 🌤️ Miami, FL 🌤️ Phoenix, AZ Seattle, WA 75° Denver, CO 89° 🌤️ Toronto, ON Vancouver, BC 72°
WeatherLiveCaliforniaBerkeleyAir Quality

Berkeley, CA Air Quality

← Berkeley

Air quality in Berkeley

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
47
Good
PM2.5
11.3 µg/m³
WHO guideline 15
PM10
14.3 µg/m³
WHO guideline 45
NO₂ · O₃
7 · 52
µg/m³

Hour by hour (12h)

US EPA AQI
9:00 PM 💨 PM2.5 11.3 µg/m³
47Good
10:00 PM 💨 PM2.5 11.6 µg/m³
48Good
11:00 PM 💨 PM2.5 11.7 µg/m³
49Good
12:00 AM 💨 PM2.5 11.6 µg/m³
48Good
1:00 AM 💨 PM2.5 11.6 µg/m³
48Good
2:00 AM 💨 PM2.5 11.5 µg/m³
48Good
3:00 AM 💨 PM2.5 11.4 µg/m³
48Good
4:00 AM 💨 PM2.5 10.8 µg/m³
45Good
5:00 AM 💨 PM2.5 10.4 µg/m³
43Good
6:00 AM 💨 PM2.5 10.1 µg/m³
42Good
7:00 AM 💨 PM2.5 9.7 µg/m³
40Good
8:00 AM 💨 PM2.5 9.9 µg/m³
41Good

Next few days

daily max · US EPA AQI
Mon 💨 Moderate · UV Very high
52
Tue 💨 Moderate · UV Very high
65
Wed 💨 Moderate · UV Very high
60
Thu 💨 Good · UV Very high
39
Fri 💨 Good · UV Very high
33
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 9:35 PM