New York, NY 15° Los Angeles, CA 33° Chicago, IL 20° Houston, TX 29° Miami, FL 29° Phoenix, AZ 35° Seattle, WA 19° Denver, CO 24° Toronto, ON 13° Vancouver, BC 14°
WeatherLive › South Dakota › Sioux Falls › Air Quality

Sioux Falls, SD Air Quality

← Sioux Falls

Air quality in Sioux Falls

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
27
Good
PM2.5
6.4 µg/m³
WHO guideline 15
PM10
6.7 µg/m³
WHO guideline 45
NO₂ · O₃
14 · 44
µg/m³

Hour by hour (12h)

US EPA AQI
8:00 PM 💨 PM2.5 6.4 µg/m³
27Good
9:00 PM 💨 PM2.5 7.8 µg/m³
33Good
10:00 PM 💨 PM2.5 8.6 µg/m³
36Good
11:00 PM 💨 PM2.5 8.7 µg/m³
36Good
12:00 AM 💨 PM2.5 8.6 µg/m³
36Good
1:00 AM 💨 PM2.5 8.6 µg/m³
36Good
2:00 AM 💨 PM2.5 8.7 µg/m³
36Good
3:00 AM 💨 PM2.5 8.5 µg/m³
35Good
4:00 AM 💨 PM2.5 7.6 µg/m³
32Good
5:00 AM 💨 PM2.5 6.5 µg/m³
27Good
6:00 AM 💨 PM2.5 5.7 µg/m³
24Good
7:00 AM 💨 PM2.5 5 µg/m³
21Good

Next few days

daily max · US EPA AQI
Tue 💨 Good · UV Moderate
38
Wed 💨 Good · UV Moderate
37
Thu 💨 Good · UV Moderate
38
Fri 💨 Good · UV Moderate
37
Sat 💨 Good · UV Moderate
35

Weather map — Sioux Falls

Sioux Falls →
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 8:48 PM