New York, NY 78° Los Angeles, CA 80° Chicago, IL 64° Houston, TX 90° Miami, FL 84° Phoenix, AZ 73° Seattle, WA 69° Denver, CO 52° Toronto, ON 60° Vancouver, BC 56°
WeatherLive › California › Pomona › Air Quality

Pomona, CA Air Quality

← Pomona

Air quality in Pomona

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
49
Good
PM2.5
6 µg/m³
WHO guideline 15
PM10
6.6 µg/m³
WHO guideline 45
NO₂ · O₃
6 · 103
µg/m³

Hour by hour (12h)

US EPA AQI
5:00 PM 💨 PM2.5 6 µg/m³
49Good
6:00 PM 💨 PM2.5 7.9 µg/m³
37Good
7:00 PM 💨 PM2.5 10.9 µg/m³
45Good
8:00 PM 💨 PM2.5 13.3 µg/m³
54Moderate
9:00 PM 💨 PM2.5 15.3 µg/m³
58Moderate
10:00 PM 💨 PM2.5 17.5 µg/m³
62Moderate
11:00 PM 💨 PM2.5 17.7 µg/m³
63Moderate
12:00 AM 💨 PM2.5 15.9 µg/m³
59Moderate
1:00 AM 💨 PM2.5 13.7 µg/m³
54Moderate
2:00 AM 💨 PM2.5 11.4 µg/m³
48Good
3:00 AM 💨 PM2.5 9.2 µg/m³
38Good
4:00 AM 💨 PM2.5 7.7 µg/m³
32Good

Next few days

daily max · US EPA AQI
Wed 💨 Moderate · UV High
63
Thu 💨 Moderate · UV High
59
Fri 💨 Good · UV Moderate
45
Sat 💨 Good · UV High
49
Sun 💨 Moderate · UV High
52

Weather map — Pomona

Pomona →
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 5:49 PM