Air quality in Grand Junction
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.
PM2.5
5.2 µg/m³
WHO guideline 15
PM10
13.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 AM
💨
PM2.5 5.2 µg/m³
42Good
9:00 AM
💨
PM2.5 4.5 µg/m³
45Good
10:00 AM
💨
PM2.5 3.4 µg/m³
50Good
11:00 AM
💨
PM2.5 2.4 µg/m³
63Moderate
12:00 PM
💨
PM2.5 2.3 µg/m³
76Moderate
1:00 PM
💨
PM2.5 2.7 µg/m³
81Moderate
2:00 PM
💨
PM2.5 3.3 µg/m³
81Moderate
3:00 PM
💨
PM2.5 3.4 µg/m³
80Moderate
4:00 PM
💨
PM2.5 3.6 µg/m³
80Moderate
5:00 PM
💨
PM2.5 3.7 µg/m³
78Moderate
6:00 PM
💨
PM2.5 5.1 µg/m³
75Moderate
7:00 PM
💨
PM2.5 5.3 µg/m³
68Moderate
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV Very high
81
Tue
💨
Moderate · UV Very high
81
Wed
💨
Moderate · UV Very high
90
Thu
💨
Moderate · UV Very high
70