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
16.1 µg/m³
WHO guideline 15
PM10
16.5 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
1:00 AM
💨
PM2.5 16.1 µg/m³
59 Moderate
2:00 AM
💨
PM2.5 16.7 µg/m³
61 Moderate
3:00 AM
💨
PM2.5 17.2 µg/m³
62 Moderate
4:00 AM
💨
PM2.5 17.1 µg/m³
62 Moderate
5:00 AM
💨
PM2.5 16.5 µg/m³
60 Moderate
6:00 AM
💨
PM2.5 15.6 µg/m³
58 Moderate
7:00 AM
💨
PM2.5 15.1 µg/m³
57 Moderate
8:00 AM
💨
PM2.5 13.6 µg/m³
54 Moderate
9:00 AM
💨
PM2.5 10 µg/m³
42 Good
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
Next few days daily max · US EPA AQI
Thu
💨
Moderate · UV Moderate
67
Fri
💨
Moderate · UV Moderate
78
Sat
💨
Good · UV Moderate
43
Sun
💨
Good · UV Moderate
40
Mon
💨
Good · UV Moderate
38
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain