Worst air pollution Framingham, today and tomorrow
Today (16 July): Air quality in Framingham is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 36.3/100).
Tomorrow (17 July 2026): Air quality in Framingham is fair. All pollutants stay as today. Pollution peaks around 1:00 PM (O3: 38.8/100). 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
Use our Strava plugin to check your own exposure.
Framingham's air quality reflects the Sudbury River valley position in the Boston western metropolitan area, with vehicle emissions from I-90 and the surrounding Metrowest technology and pharmaceutical manufacturing corridor contributing local sources. The broader Boston metropolitan regional ozone burden on prevailing southwesterlies elevates background pollution, while the Charles River watershed provides limited ventilation and the flat eastern Massachusetts terrain allows reasonable dispersal throughout most of the year.
Today - 16 July | Pollution peaks at 13:00
AQI:
Fair
36.3/100
PM2.5 (fine particles):
Good
14.2/100
PM10 (coarse particles):
Good
11.4/100
NO2 (nitrogen dioxide):
Good
11.7/100
O3 (ozone):
Fair
36.3/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.1/100
PM1 (ultrafine particles):
Good
6.3/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Fair
38.8/100
PM2.5 (fine particles):
Good
11.7/100
PM10 (coarse particles):
Good
9.5/100
NO2 (nitrogen dioxide):
Good
13.5/100
O3 (ozone):
Fair
38.8/100
SO2 (sulfur dioxide):
Good
2.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.0/100
PM1 (ultrafine particles):
Good
6.9/100
Pollen forecast in Framingham
View pollen forecastFrequently Asked Questions
Is air quality bad in Framingham right now?
On 16 July 2026, overall air quality in Framingham is fair. AQI is the main air quality indicator at 36.3/100. Pollution peaks around 1:00 PM (O3: 36.3/100).
Will air quality be worse tomorrow in Framingham?
On 17 July 2026, air quality conditions in Framingham will be similar to today, with AQI forecast at fair at 38.8/100. Pollution peaks around 1:00 PM (O3: 38.8/100).
When is air pollution at its worst in Framingham?
Air quality across Framingham rises and falls with the seasons, as frequent frontal systems in spring and fall usually keep the air cleanest then; by contrast, summer heat waves, often worsened by haze drifting in from other regions, bring the year's worst air. Winter cold fronts tend to clear the air quickly, so extended pollution episodes are relatively uncommon.
Are air quality levels in Framingham 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.
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: 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