Air quality in Cary
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
101
Unhealthy for Sensitive Groups
PM2.5
8.4 µg/m³
WHO guideline 15
PM10
8.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 PM
💨
PM2.5 8.4 µg/m³
101Unhealthy for Sensitive Groups
4:00 PM
💨
PM2.5 8.4 µg/m³
108Unhealthy for Sensitive Groups
5:00 PM
💨
PM2.5 8.4 µg/m³
106Unhealthy for Sensitive Groups
6:00 PM
💨
PM2.5 8.2 µg/m³
95Moderate
7:00 PM
💨
PM2.5 8.4 µg/m³
76Moderate
8:00 PM
💨
PM2.5 12 µg/m³
56Moderate
9:00 PM
💨
PM2.5 14.8 µg/m³
57Moderate
10:00 PM
💨
PM2.5 14.6 µg/m³
56Moderate
11:00 PM
💨
PM2.5 12.7 µg/m³
52Moderate
12:00 AM
💨
PM2.5 10.9 µg/m³
45Good
1:00 AM
💨
PM2.5 9.6 µg/m³
40Good
2:00 AM
💨
PM2.5 9 µg/m³
38Good
Next few days
daily max · US EPA AQI
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
108
Thu
💨
Moderate · UV Very high
98
Fri
💨
Moderate · UV Moderate
91
Sat
💨
Moderate · UV High
75
Sun
💨
Good · UV Very high
45