Today | Weather | Wednesday, March 18, 2026

Weather in Bangor, Maine

05:52 AM
Now
Cloudy Night
16° F
Feels Like
Precipitation 0 %
Wind 11 mph
Humidity 51 %
Today
Cloudy Weather
Day 32°
Night 21°
Precipitation 0 %
Wind 12 mph
UV Index (0 - 11+) 4
Overnight Frost 2 AM – 9 AM
Tomorrow Morning Frost 1 AM – 7 AM

Bangor Weather Forecast Updated

12 minutes ago
Last updated on

Air Quality in Bangor

NOW
44 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.5 µg/m³
PM10 0.5 µg/m³
O3 0.048 ppm
NO2 0.5 ppb
SO2 0.1 ppb
CO 0.14 ppm
NH3 0.16 µg/m³
NO 0 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
O393.64 µg/m³
NO20.98 µg/m³
SO20.35 µg/m³
CO159.92 µg/m³
NH30.16 µg/m³
NO0 µg/m³