Worst air pollution Middlebury, today and tomorrow
Today (16 July): Air quality in Middlebury is fair. AQI, PM2.5, NO2, and O3 are fair; PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (O3: 35.5/100).
Tomorrow (17 July 2026): Air quality in Middlebury is fair. PM2.5 decreases to good; all other pollutants stay as today. Pollution peaks around 11:00 PM (NO2: 32.4/100). 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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Air quality in Middlebury is driven mostly by clean Champlain Valley air — wood-smoke haze can settle briefly on still winter nights. Day-to-day conditions in Middlebury can still vary with local weather, wind direction, and time of year. Local topography and prevailing winds both play a role in how quickly conditions change.
Today - 16 July | Pollution peaks at 10:00
AQI:
Fair
35.5/100
PM2.5 (fine particles):
Fair
21.0/100
PM10 (coarse particles):
Good
12.4/100
NO2 (nitrogen dioxide):
Fair
30.7/100
O3 (ozone):
Fair
35.5/100
SO2 (sulfur dioxide):
Good
5.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.0/100
PM1 (ultrafine particles):
Good
16.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 23:00
AQI:
Fair
32.4/100
PM2.5 (fine particles):
Good
16.9/100
PM10 (coarse particles):
Good
6.6/100
NO2 (nitrogen dioxide):
Fair
32.4/100
O3 (ozone):
Fair
30.1/100
SO2 (sulfur dioxide):
Good
5.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.6/100
PM1 (ultrafine particles):
Good
14.0/100
Pollen forecast in Middlebury
View pollen forecastFrequently Asked Questions
Is air quality bad in Middlebury right now?
On 16 July 2026, overall air quality in Middlebury is fair. AQI is the main air quality indicator at 35.5/100. Pollution peaks around 10:00 AM (O3: 35.5/100).
Will air quality be worse tomorrow in Middlebury?
On 17 July 2026, air quality conditions in Middlebury will be similar to today, with AQI forecast at fair at 32.4/100. Pollution peaks around 11:00 PM (NO2: 32.4/100).
When is air pollution at its worst in Middlebury?
Air quality across Middlebury rises and falls with the seasons — frequent frontal systems in spring and fall usually keep the air cleanest then, whereas summer heat and regional haze drifting up from the Midwest and South drive ozone spikes. Winter cold fronts tend to clear the air quickly, so extended pollution episodes are relatively uncommon.
Are air quality levels in Middlebury 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