What is the air quality in Sioux City today?

The current Air Quality Index (AQI) in Sioux City is 31 (Good). PM2.5 concentration is 7.4 µg/m³.

What is the temperature in Sioux City right now?

The current temperature in Sioux City is 6.3°C (feels like -0.3°C). Humidity is 79.9% and wind speed is 67.8 km/h.

Is it safe to go outside in Sioux City?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0 (Low).

Air Quality in Sioux City, United States

Drizzle

6.3°C · 79.9% humidity

6.3°

Feels -0.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

12 8pm

12 11pm

12 2am

12 5am

12 8am

12 11am

12 2pm

12 5pm

79.9%

Humidity

67.8 km/h

Wind N

1019.7 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Sioux City?

Temperature & Precipitation

PM2.57.4 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for Sioux City?

04-09

18.1° 8.7°

0.19 mm

04-10

10.6° 0.9°

0.13 mm

04-11

12.1° 4.9°

0.38 mm

04-12

24.8° 9.0°

0.94 mm

04-13

25.6° 15.2°

0.38 mm

04-14

19.3° 9.2°

1.25 mm

04-15

10.2° 0.2°

Both models agree Avg diff: 6.0°C

What cities are near Sioux City?

25 Norfolk 31 Fremont 37 Sioux Falls 25 Omaha 25 Council Bluffs 25 La Vista 25 Papillion 25 Bellevue 31 Fort Dodge 31 Mitchell

Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T23:01 UTC.