Air quality in Port Arthur
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
9.2 µg/m³
WHO guideline 15
PM10
9.7 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
10:00 AM
💨
PM2.5 9.2 µg/m³
38 Good
11:00 AM
💨
PM2.5 9.3 µg/m³
41 Good
12:00 PM
💨
PM2.5 10 µg/m³
48 Good
1:00 PM
💨
PM2.5 10.7 µg/m³
60 Moderate
2:00 PM
💨
PM2.5 11.3 µg/m³
75 Moderate
3:00 PM
💨
PM2.5 11.8 µg/m³
78 Moderate
4:00 PM
💨
PM2.5 12.1 µg/m³
68 Moderate
5:00 PM
💨
PM2.5 15 µg/m³
57 Moderate
6:00 PM
💨
PM2.5 19.7 µg/m³
67 Moderate
7:00 PM
💨
PM2.5 23.2 µg/m³
74 Moderate
8:00 PM
💨
PM2.5 22.9 µg/m³
74 Moderate
9:00 PM
💨
PM2.5 19 µg/m³
66 Moderate
Next few days daily max · US EPA AQI
Fri
💨
Moderate · UV Moderate
78
Sat
💨
Good · UV Moderate
43
Sun
💨
Good · UV Moderate
40
Mon
💨
Good · UV Moderate
38
Tue
💨
Good · UV Moderate
33
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain