1. North America
  2. United States
  3. South Dakota
  4. Union County
  5. North Sioux City

North Sioux City

Union County, South Dakota

2026-05-28 22:00
CAQI (Europe)
Medium
Pollutants|Pollens
O3
μg/m³
131.9
PM10
μg/m³
7.8
PM2.5
μg/m³
4.2
Weather
  • ℃
  • ℉
31℃
28%
22 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM10
  • PM2.5

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

North Sioux City
AQI 55
Sioux City
AQI 64
South Sioux City
AQI 46
Jefferson
AQI 60
Dakota City
AQI 46
Sergeant Bluff
AQI 37
Hubbard
AQI 9
Ponca
AQI 5
Hinton
AQI 63
Waterbury
AQI 29
Homer
AQI 9