New York, NY 70° Los Angeles, CA 66° Chicago, IL 78° Houston, TX 80° Miami, FL 79° Phoenix, AZ 91° Seattle, WA 55° Denver, CO 75° Toronto, ON 68° Vancouver, BC 54°

University Town Center, CA Air Quality

← University Town Center

Air quality in University Town Center

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
44
Good
PM2.5
10.5 µg/m³
WHO guideline 15
PM10
13.7 µg/m³
WHO guideline 45
NO₂ · O₃
18 · 48
µg/m³

Hour by hour (12h)

US EPA AQI
3:00 AM 💨 PM2.5 10.5 µg/m³
44Good
4:00 AM 💨 PM2.5 10.4 µg/m³
43Good
5:00 AM 💨 PM2.5 11.2 µg/m³
47Good
6:00 AM 💨 PM2.5 11.8 µg/m³
49Good
7:00 AM 💨 PM2.5 12.4 µg/m³
52Moderate
8:00 AM 💨 PM2.5 12.5 µg/m³
52Moderate
9:00 AM 💨 PM2.5 11.3 µg/m³
47Good
10:00 AM 💨 PM2.5 11.4 µg/m³
48Good
11:00 AM 💨 PM2.5 12.5 µg/m³
52Moderate
12:00 PM 💨 PM2.5 14.8 µg/m³
57Moderate
1:00 PM 💨 PM2.5 17 µg/m³
61Moderate
2:00 PM 💨 PM2.5 17.7 µg/m³
63Moderate

Next few days

daily max · US EPA AQI
Wed 💨 Moderate · UV Very high
77
Thu 💨 Moderate · UV Very high
63
Fri 💨 Moderate · UV Very high
63
Sat 💨 Moderate · UV High
68
Sun 💨 Moderate · UV Low
66
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 3:09 AM