New York, NY 75° Los Angeles, CA 90° Chicago, IL 97° Houston, TX 95° Miami, FL 86° Phoenix, AZ 104° Seattle, WA 62° Denver, CO 88° Toronto, ON 74° Vancouver, BC 64°
WeatherLiveColoradoHolly HillsAir Quality

Holly Hills, CO Air Quality

← Holly Hills

Air quality in Holly Hills

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
65
Moderate
PM2.5
2.1 µg/m³
WHO guideline 15
PM10
2.9 µg/m³
WHO guideline 45
NO₂ · O₃
0 · 116
µg/m³

Hour by hour (12h)

US EPA AQI
5:00 PM 💨 PM2.5 2.1 µg/m³
65Moderate
6:00 PM 💨 PM2.5 2 µg/m³
50Good
7:00 PM 💨 PM2.5 3.5 µg/m³
40Good
8:00 PM 💨 PM2.5 7.2 µg/m³
30Good
9:00 PM 💨 PM2.5 9.8 µg/m³
41Good
10:00 PM 💨 PM2.5 10.3 µg/m³
43Good
11:00 PM 💨 PM2.5 10.2 µg/m³
43Good
12:00 AM 💨 PM2.5 10 µg/m³
42Good
1:00 AM 💨 PM2.5 9.6 µg/m³
40Good
2:00 AM 💨 PM2.5 8.8 µg/m³
37Good
3:00 AM 💨 PM2.5 8 µg/m³
33Good
4:00 AM 💨 PM2.5 7.2 µg/m³
30Good

Next few days

daily max · US EPA AQI
Wed 💨 Moderate · UV Very high
76
Thu 💨 Good · UV Very high
50
Fri 💨 Moderate · UV Very high
58
Sat 💨 Moderate · UV Very high
71
Sun 💨 Moderate · UV Very high
55
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 5:10 PM