Today | Weather | Monday, April 27, 2026

Weather in Bristol, Connecticut

05:58 PM
Now
Cloudy Weather
66° F
Feels Like 66°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 2
Humidity 37 %
Today
Sunny Weather
Day 70°
Night 39°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

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.

Bristol Weather Forecast Updated

Last updated on

Air Quality in Bristol

NOW
96 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 12.74 µg/m³
PM10 15.53 µg/m³
O3 0.069 ppm
NO2 4.7 ppb
SO2 1.1 ppb
CO 0.18 ppm
NH3 0.64 µg/m³
NO 1 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)
PM2.512.74 µg/m³
PM1015.53 µg/m³
O3135.01 µg/m³
NO28.93 µg/m³
SO22.99 µg/m³
CO200.98 µg/m³
NH30.64 µg/m³
NO1 µg/m³