Worst air pollution Cedar Rapids, today and tomorrow
Today (16 July): Air quality in Cedar Rapids is fair. PM2.5, PM10, and O3 are fair; AQI and NO2 are medium; SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (NO2: 55.3/100).
Tomorrow (17 July 2026): Air quality in Cedar Rapids is poor. AQI worsens to poor; PM2.5 decreases to good; PM10 decreases to good; NO2 increases to poor; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 68.9/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Cedar Rapids' air quality reflects the Cedar River valley's flat Iowa terrain providing generally good wind dispersal, with vehicle emissions from I-380 and the surrounding grain processing and food manufacturing industry — including the characteristic Quaker Oats facility — contributing elevated organic particulates and NOₓ. Prevailing westerly Iowa prairie winds generally keep readings at moderate levels, while regional ozone from agricultural sources across the Upper Midwest is the primary warm-season concern.
Today - 16 July | Pollution peaks at 23:00
AQI:
Medium
55.3/100
PM2.5 (fine particles):
Fair
23.8/100
PM10 (coarse particles):
Fair
24.6/100
NO2 (nitrogen dioxide):
Medium
55.3/100
O3 (ozone):
Fair
36.0/100
SO2 (sulfur dioxide):
Good
8.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.1/100
PM1 (ultrafine particles):
Good
11.3/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 20:00
AQI:
Poor
68.9/100
PM2.5 (fine particles):
Good
17.7/100
PM10 (coarse particles):
Good
10.8/100
NO2 (nitrogen dioxide):
Poor
68.9/100
O3 (ozone):
Fair
37.9/100
SO2 (sulfur dioxide):
Good
6.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.3/100
PM1 (ultrafine particles):
Good
11.6/100
Pollen forecast in Cedar Rapids
View pollen forecastFrequently Asked Questions
Is air quality bad in Cedar Rapids right now?
On 16 July 2026, overall air quality in Cedar Rapids is fair. O3 is the main pollutant at 36.0/100. Pollution peaks around 11:00 PM (NO2: 55.3/100).
Will air quality be worse tomorrow in Cedar Rapids?
On 17 July 2026, air quality conditions in Cedar Rapids will be worse than today, with AQI forecast at poor at 68.9/100. Pollution peaks around 8:00 PM (NO2: 68.9/100).
When is air pollution at its worst in Cedar Rapids?
Air quality in Cedar Rapids shifts across the year — the cleanest conditions usually come in winter, once the growing season dust and pollen have passed, whereas summer heat waves and the dust of planting and harvest seasons are the main annual concerns. Wide-open terrain generally helps disperse pollution quickly once the wind picks up.
Are air quality levels in Cedar Rapids based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app