Air quality in Smithfield
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
18.7 µg/m³
WHO guideline 15
PM10
18.7 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
5:00 AM
💨
PM2.5 18.7 µg/m³
65 Moderate
6:00 AM
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PM2.5 19.2 µg/m³
66 Moderate
7:00 AM
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PM2.5 19.5 µg/m³
67 Moderate
8:00 AM
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PM2.5 18.1 µg/m³
64 Moderate
9:00 AM
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PM2.5 15.7 µg/m³
59 Moderate
10:00 AM
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PM2.5 15.8 µg/m³
59 Moderate
11:00 AM
💨
PM2.5 16.1 µg/m³
73 Moderate
12:00 PM
💨
PM2.5 15.7 µg/m³
98 Moderate
1:00 PM
💨
PM2.5 15.4 µg/m³
117 Unhealthy for Sensitive Groups
2:00 PM
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PM2.5 15 µg/m³
131 Unhealthy for Sensitive Groups
3:00 PM
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PM2.5 15.3 µg/m³
131 Unhealthy for Sensitive Groups
4:00 PM
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PM2.5 15.6 µg/m³
124 Unhealthy for Sensitive Groups
Next few days daily max · US EPA AQI
Fri
💨
Unhealthy for Sensitive Groups · UV Moderate
131
Sat
💨
Good · UV Moderate
43
Sun
💨
Moderate · UV Moderate
52
Mon
💨
Moderate · UV Moderate
60
Tue
💨
Good · UV Moderate
27
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain