Today | Weather | Friday, May 22, 2026

Weather in Bangor, Maine

07:13 AM
Now
Cloudy Weather
37° F
Feels Like 37°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 1
Humidity 78 %
Today
Cloudy Weather
Day 68°
Night 41°
Precipitation 0 %
Wind 11 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Bangor Weather Forecast Updated

34 minutes ago
Last updated on

Air Quality in Bangor

NOW
37 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.5 µg/m³
PM10 0.5 µg/m³
O3 0.040 ppm
NO2 1 ppb
SO2 0.3 ppb
CO 0.11 ppm
NH3 0.49 µg/m³
NO 0.14 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.50.5 µg/m³
PM100.5 µg/m³
O377.77 µg/m³
NO21.94 µg/m³
SO20.7 µg/m³
CO126.49 µg/m³
NH30.49 µg/m³
NO0.14 µg/m³