Worst air pollution Falmouth, today and tomorrow
Today (16 July): Air quality in Falmouth is fair. O3 is fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 AM (NO2: 44.0/100).
Tomorrow (17 July 2026): Air quality in Falmouth is fair. All pollutants stay as today. Pollution peaks around 11:00 PM (NO2: 46.9/100). 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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Falmouth experiences air quality conditions shaped chiefly by Buzzards Bay sea breeze, and coastal exposure keeps air quality consistently favorable. Day-to-day conditions in Falmouth can still vary with local weather, wind direction, and time of year. As with most US destinations, conditions here are best understood by season rather than by a single yearly average.
Today - 16 July | Pollution peaks at 01:00
AQI:
Medium
44.0/100
PM2.5 (fine particles):
Good
16.0/100
PM10 (coarse particles):
Good
16.5/100
NO2 (nitrogen dioxide):
Medium
44.0/100
O3 (ozone):
Fair
36.7/100
SO2 (sulfur dioxide):
Good
7.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.5/100
PM1 (ultrafine particles):
Good
10.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 23:00
AQI:
Medium
46.9/100
PM2.5 (fine particles):
Good
10.3/100
PM10 (coarse particles):
Good
4.2/100
NO2 (nitrogen dioxide):
Medium
46.9/100
O3 (ozone):
Fair
37.6/100
SO2 (sulfur dioxide):
Good
2.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.2/100
PM1 (ultrafine particles):
Good
8.5/100
Pollen forecast in Falmouth
View pollen forecastFrequently Asked Questions
Is air quality bad in Falmouth right now?
On 16 July 2026, overall air quality in Falmouth is fair. O3 is the main pollutant at 36.7/100. Pollution peaks around 1:00 AM (NO2: 44.0/100).
Will air quality be worse tomorrow in Falmouth?
On 17 July 2026, air quality conditions in Falmouth will be similar to today, with O3 forecast at fair at 37.6/100. Pollution peaks around 11:00 PM (NO2: 46.9/100).
When is air pollution at its worst in Falmouth?
Seasonal changes shape air quality across Falmouth: the cleanest conditions typically arrive with the more unsettled weather of spring and autumn, but hot, humid summer days bring the highest ozone risk, often worsened by pollution transported in from other regions. Coastal sea breezes can offer some relief from inland summer ozone buildup.
Are air quality levels in Falmouth 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