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Houston, AK Air Quality

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Air quality in Houston

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
35
Good
PM2.5
8.5 µg/m³
WHO guideline 15
PM10
9.7 µg/m³
WHO guideline 45
NO₂ · O₃
10 · 41
µg/m³

Hour by hour (12h)

US EPA AQI
11:00 PM 💨 PM2.5 8.5 µg/m³
35Good
12:00 AM 💨 PM2.5 9.6 µg/m³
40Good
1:00 AM 💨 PM2.5 10.6 µg/m³
44Good
2:00 AM 💨 PM2.5 10.9 µg/m³
45Good
3:00 AM 💨 PM2.5 10.4 µg/m³
43Good
4:00 AM 💨 PM2.5 9.9 µg/m³
41Good
5:00 AM 💨 PM2.5 8.9 µg/m³
37Good
6:00 AM 💨 PM2.5 5.4 µg/m³
28Good
7:00 AM 💨 PM2.5 2.9 µg/m³
29Good
8:00 AM 💨 PM2.5 1.6 µg/m³
27Good
9:00 AM 💨 PM2.5 0.8 µg/m³
24Good
10:00 AM 💨 PM2.5 0.3 µg/m³
21Good

Next few days

daily max · US EPA AQI
Sun 💨 Good · UV Low
35
Mon 💨 Good · UV Low
45
Tue 💨 Good · UV Low
26
Wed 💨 Good · UV Low
31
Thu 💨 Good · UV Low
36
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Updated: 11:15 PM