Worst air pollution Massachusetts Avenue - Indianapolis, today and tomorrow
Today (9 August): Air quality in Massachusetts Avenue is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 35.7/100).
Tomorrow (10 August 2026): Air quality in Massachusetts Avenue is fair. NO2 decreases to good; all other pollutants stay as today. Pollution peaks around 8:00 AM (O3: 34.8/100). Airmine updates local air quality forecasts four times daily.
Get the full experience in the Airmine app.
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.
Indianapolis' Massachusetts Avenue air quality reflects the vibrant arts and cultural corridor, with vehicle traffic on Mass Ave and the surrounding mixed residential and gallery character contributing local sources. The flat terrain allows reasonable dispersal, while the neighbourhood's walkable character and the arts corridor design generally maintain moderate Indianapolis metropolitan readings and Mass Ave generally tracks at typical inner Indianapolis arts corridor levels throughout most of the year.
Today - 9 August | Pollution peaks at 12:00
AQI:
Fair
35.7/100
PM2.5 (fine particles):
Good
15.7/100
PM10 (coarse particles):
Good
5.9/100
NO2 (nitrogen dioxide):
Fair
22.3/100
O3 (ozone):
Fair
35.7/100
SO2 (sulfur dioxide):
Good
5.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.3/100
PM1 (ultrafine particles):
Good
11.8/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 08:00
AQI:
Fair
34.8/100
PM2.5 (fine particles):
Good
13.1/100
PM10 (coarse particles):
Good
5.1/100
NO2 (nitrogen dioxide):
Good
19.5/100
O3 (ozone):
Fair
34.8/100
SO2 (sulfur dioxide):
Good
5.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.3/100
PM1 (ultrafine particles):
Good
9.7/100
Other Landmarks in Indianapolis
Frequently Asked Questions
Is air quality bad in Massachusetts Avenue right now?
On 9 August 2026, overall air quality in Massachusetts Avenue is fair. AQI is the main air quality indicator at 35.7/100. Pollution peaks around 12:00 PM (O3: 35.7/100).
Will air quality be worse tomorrow in Massachusetts Avenue?
On 10 August 2026, air quality conditions in Massachusetts Avenue will be similar to today, with AQI forecast at fair at 34.8/100. Pollution peaks around 8:00 AM (O3: 34.8/100).
When is air pollution at its worst in Massachusetts Avenue?
Massachusetts Avenue follows Indianapolis's typical seasonal air quality pattern. In short, spring and autumn tend to bring the cleanest, most stable air, whereas summer heat waves are the main driver of poor air quality, as ozone builds under stagnant, humid conditions. Lake-effect winds can help clear the air on many days near the Great Lakes shoreline.
Are air quality levels in Massachusetts Avenue 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.
Want to see air quality forecasts for other cities in United States?
Check air quality in other popular cities:
Data provided by Airmine — Last update: 10 August 2026 at 02:34 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.
Get the full experience in the Airmine app.