New York, NY 22° Los Angeles, CA 17° Chicago, IL 21° Houston, TX 26° Miami, FL 27° Phoenix, AZ 25° Seattle, WA 12° Denver, CO 22° Toronto, ON 19° Vancouver, BC 12°
WeatherLiveMarylandGreen ValleyAir Quality

Green Valley, MD Air Quality

← Green Valley

Air quality in Green Valley

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
13.8 µg/m³
WHO guideline 15
PM10
14 µg/m³
WHO guideline 45
NO₂ · O₃
16 · 68
µg/m³

Hour by hour (12h)

US EPA AQI
9:00 AM 💨 PM2.5 13.8 µg/m³
55Moderate
10:00 AM 💨 PM2.5 13.9 µg/m³
58Moderate
11:00 AM 💨 PM2.5 12.7 µg/m³
110Unhealthy for Sensitive Groups
12:00 PM 💨 PM2.5 10.3 µg/m³
124Unhealthy for Sensitive Groups
1:00 PM 💨 PM2.5 9.4 µg/m³
117Unhealthy for Sensitive Groups
2:00 PM 💨 PM2.5 9.4 µg/m³
110Unhealthy for Sensitive Groups
3:00 PM 💨 PM2.5 10.1 µg/m³
110Unhealthy for Sensitive Groups
4:00 PM 💨 PM2.5 10.8 µg/m³
110Unhealthy for Sensitive Groups
5:00 PM 💨 PM2.5 11.4 µg/m³
103Unhealthy for Sensitive Groups
6:00 PM 💨 PM2.5 11.7 µg/m³
85Moderate
7:00 PM 💨 PM2.5 12.4 µg/m³
56Moderate
8:00 PM 💨 PM2.5 15.7 µg/m³
59Moderate

Next few days

daily max · US EPA AQI
Mon 💨 Unhealthy for Sensitive Groups · UV High
124
Tue 💨 Unhealthy for Sensitive Groups · UV Very high
119
Wed 💨 Unhealthy for Sensitive Groups · UV Very high
149
Thu 💨 Unhealthy for Sensitive Groups · UV High
124
Fri 💨 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: 9:32 AM