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WeatherLive › Iowa › Sioux City › Air Quality

Sioux City, IA Air Quality

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Air quality in Sioux City

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
26
Good
PM2.5
1.2 µg/m³
WHO guideline 15
PM10
1.3 µg/m³
WHO guideline 45
NO₂ · O₃
2 · 55
µg/m³

Hour by hour (12h)

US EPA AQI
2:00 PM 💨 PM2.5 1.2 µg/m³
26Good
3:00 PM 💨 PM2.5 1.6 µg/m³
26Good
4:00 PM 💨 PM2.5 1.7 µg/m³
24Good
5:00 PM 💨 PM2.5 1.8 µg/m³
21Good
6:00 PM 💨 PM2.5 2.4 µg/m³
18Good
7:00 PM 💨 PM2.5 2.8 µg/m³
16Good
8:00 PM 💨 PM2.5 3.1 µg/m³
14Good
9:00 PM 💨 PM2.5 3.4 µg/m³
14Good
10:00 PM 💨 PM2.5 3.7 µg/m³
15Good
11:00 PM 💨 PM2.5 3.9 µg/m³
16Good
12:00 AM 💨 PM2.5 4.2 µg/m³
18Good
1:00 AM 💨 PM2.5 4.5 µg/m³
19Good

Next few days

daily max · US EPA AQI
Thu 💨 Good · UV Low
26
Fri 💨 Good · UV Low
32
Sat 💨 Good · UV Low
29
Sun 💨 Good · UV Moderate
29
Mon 💨 Good · UV Moderate
40

Weather map — Sioux City

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Updated: 2:14 PM