Air quality in Round Rock
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
11.6 µg/m³
WHO guideline 15
PM10
15.2 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
1:00 PM
💨
PM2.5 11.6 µg/m³
71 Moderate
2:00 PM
💨
PM2.5 11.3 µg/m³
78 Moderate
3:00 PM
💨
PM2.5 11.2 µg/m³
80 Moderate
4:00 PM
💨
PM2.5 11 µg/m³
75 Moderate
5:00 PM
💨
PM2.5 10.8 µg/m³
66 Moderate
6:00 PM
💨
PM2.5 10.7 µg/m³
53 Moderate
7:00 PM
💨
PM2.5 10.8 µg/m³
48 Good
8:00 PM
💨
PM2.5 11.1 µg/m³
46 Good
9:00 PM
💨
PM2.5 10.5 µg/m³
44 Good
10:00 PM
💨
PM2.5 9.5 µg/m³
40 Good
11:00 PM
💨
PM2.5 8.6 µg/m³
37 Good
12:00 AM
💨
PM2.5 7.8 µg/m³
36 Good
Next few days daily max · US EPA AQI
Sun
💨
Moderate · UV Moderate
80
Mon
💨
Moderate · UV Moderate
78
Tue
💨
Moderate · UV Moderate
61
Wed
💨
Moderate · UV Moderate
60
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain