Today | Weather | Thursday, February 5, 2026

Weather in Bristol, Connecticut

08:34 PM
Now
Cloudy Night
14° F
Feels Like
Precipitation 0 %
Wind 6 mph
Humidity 83 %
Today
Sunny Weather
Day 32°
Night
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 3

Bristol Weather Forecast Updated

Air Quality in Bristol

NOW
88 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 29.55 µg/m³
PM10 40.11 µg/m³
O3 0.008 ppm
NO2 29.8 ppb
SO2 2.6 ppb
CO 0.54 ppm
NH3 6.36 µg/m³
NO 30.07 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.529.55 µg/m³
PM1040.11 µg/m³
O316.45 µg/m³
NO256 µg/m³
SO26.89 µg/m³
CO621.02 µg/m³
NH36.36 µg/m³
NO30.07 µg/m³