New York, NY 25° Los Angeles, CA 31° Chicago, IL 36° Houston, TX 30° Miami, FL 30° Phoenix, AZ 39° Seattle, WA 17° Denver, CO 32° Toronto, ON 26° Vancouver, BC 20°
WeatherLiveUtahRichfieldAir Quality

Richfield, UT Air Quality

← Richfield

Air quality in Richfield

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
55
Moderate
PM2.5
2 µg/m³
WHO guideline 15
PM10
3.2 µg/m³
WHO guideline 45
NO₂ · O₃
0 · 110
µg/m³

Hour by hour (12h)

US EPA AQI
5:00 PM 💨 PM2.5 2 µg/m³
55Moderate
6:00 PM 💨 PM2.5 1.8 µg/m³
51Moderate
7:00 PM 💨 PM2.5 1.6 µg/m³
49Good
8:00 PM 💨 PM2.5 1.5 µg/m³
45Good
9:00 PM 💨 PM2.5 1.5 µg/m³
42Good
10:00 PM 💨 PM2.5 1.6 µg/m³
40Good
11:00 PM 💨 PM2.5 1.5 µg/m³
39Good
12:00 AM 💨 PM2.5 1.6 µg/m³
37Good
1:00 AM 💨 PM2.5 1.6 µg/m³
34Good
2:00 AM 💨 PM2.5 1.6 µg/m³
31Good
3:00 AM 💨 PM2.5 1.5 µg/m³
28Good
4:00 AM 💨 PM2.5 1.6 µg/m³
25Good

Next few days

daily max · US EPA AQI
Wed 💨 Moderate · UV Very high
55
Thu 💨 Good · UV Very high
50
Fri 💨 Good · UV Very high
40
Sat 💨 Good · UV Very high
43
Sun 💨 Good · UV Moderate
18
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 5:25 PM