Worst air pollution Muncie, today and tomorrow
Today (9 August): Air quality in Muncie is fair. O3 and PM1 are fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 11:00 PM (NO2: 40.4/100).
Tomorrow (10 August 2026): Air quality in Muncie is fair. All pollutants stay as today. Pollution peaks around 12:00 AM (NO2: 40.1/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Muncie's air quality reflects the flat east-central Indiana terrain providing generally good wind dispersal, with vehicle emissions from I-69 and the surrounding Ball State University campus and manufacturing legacy contributing local sources. Regional ozone from agricultural and industrial sources across the broader Ohio Valley airshed can elevate summer readings, while the flat Midwest terrain prevents significant topographic pollution trapping throughout the year.
Today - 9 August | Pollution peaks at 23:00
AQI:
Medium
40.4/100
PM2.5 (fine particles):
Good
16.0/100
PM10 (coarse particles):
Good
5.7/100
NO2 (nitrogen dioxide):
Medium
40.4/100
O3 (ozone):
Fair
32.4/100
SO2 (sulfur dioxide):
Good
6.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.4/100
PM1 (ultrafine particles):
Fair
20.4/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 00:00
AQI:
Medium
40.1/100
PM2.5 (fine particles):
Good
17.5/100
PM10 (coarse particles):
Good
6.0/100
NO2 (nitrogen dioxide):
Medium
40.1/100
O3 (ozone):
Fair
33.5/100
SO2 (sulfur dioxide):
Good
5.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.6/100
PM1 (ultrafine particles):
Fair
20.7/100
Pollen forecast in Muncie
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Muncie
Frequently Asked Questions
Is air quality bad in Muncie right now?
On 9 August 2026, overall air quality in Muncie is fair. O3 is the main pollutant at 32.4/100. Pollution peaks around 11:00 PM (NO2: 40.4/100).
Will air quality be worse tomorrow in Muncie?
On 10 August 2026, air quality conditions in Muncie will be similar to today, with O3 forecast at fair at 33.5/100. Pollution peaks around 12:00 AM (NO2: 40.1/100).
When is air pollution at its worst in Muncie?
Conditions in Muncie vary noticeably across the seasons: between summer ozone and occasional winter inversions, spring and fall are the year's cleanest stretch, but summer heat waves are the main driver of poor air quality, as ozone builds under stagnant, humid conditions. Calm, cold winter spells can occasionally allow local pollution to build up before the next weather system clears it.
Are air quality levels in Muncie 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 9 August 2026 at 20:27 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
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