Sioux City air quality · Iowa, United States
Clear air is not just pleasant, it is preventive health
US AQI 20 (Good) in Sioux City, from 1 AirNow monitoring station. Main pollutant: Ozone.
Updated
Pollutants in Sioux City
- Ozone20AQI
US values are per-pollutant AQI from the highest-reading monitor near Sioux City (Stone State Park).
Is it safe outside in Sioux City right now?
Air quality is satisfactory and poses little or no risk.
Walking and commuting
Go aheadEnjoy it.
Running and jogging
Go aheadA great time to run outdoors.
Cycling
Go aheadRide freely.
Children playing outside
Go aheadNo limits.
Older adults and heart or lung conditions
Go aheadNo limits.
Open windows
Go aheadAir out your home.
Mask outdoors
Not neededNot needed.
Air purifier indoors
Not neededNot needed.
Based on the US EPA Air Quality Guide, applied to the current US AQI category. If you have symptoms, follow your doctor's advice.
What US AQI 0–50 means for your health →
Sioux City air quality history
Daily average, 36 days- 22average daily US AQI over 36 days
- 53worst day, 11 October
- 7cleanest day, 13 October
- 0days at Unhealthy or worse
The last 7 days averaged 18, better than the week before (38). 34 of the last 36 days were Good.
Weather in Sioux City
No active National Weather Service alerts for Sioux City.
| Day | Forecast | High | Low | Rain |
|---|---|---|---|---|
| Mon 19 | Mostly Sunny | 66°F | 46°F | 1% |
| Tue 20 | Sunny | 70°F | 52°F | 1% |
| Wed 21 | Sunny | 75°F | 54°F | 3% |
| Thu 22 | Sunny | 75°F | 57°F | 3% |
| Fri 23 | Partly Sunny | 75°F | 59°F | 31% |
| Sat 24 | Chance Rain Showers | 70°F | 48°F | 47% |
| Sun 25 | Slight Chance Rain Showers then Mostly Sunny | 64°F | 48°F | 24% |
National Weather Service forecast. All US weather alerts →
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Sioux City air quality: common questions
What is the AQI in Sioux City right now?
The US AQI in Sioux City is 20 (Good). The main pollutant is Ozone.
Is it safe to go outside in Sioux City today?
A great time to be outside. Air quality is satisfactory and poses little or no risk. For runners: A great time to run outdoors.
How has air quality in Sioux City been recently?
Over the last 36 days with data, Sioux City averaged US AQI 22. The worst day was 11 October at 53; the cleanest was 13 October at 7. 0 days were at Unhealthy or worse.
Where does Sioux City's air quality data come from?
From US EPA AirNow, using 1 monitoring station in and around the city. Good Air does not estimate or adjust these readings.
Source: US EPA AirNow. Readings are published by the monitoring agency and may be revised.