Today | Weather | Tuesday, October 13, 2026

Weather in Bristol, Connecticut

08:02 PM
Now
Cloudy Weather
59° F
Feels Like 57°
Precipitation 49 %
Wind 7 mph
Humidity 99 %
Today
Rainy Night
Day 63°
Night 59°
Precipitation 62 %
Wind 7 mph

Bristol Weather Forecast Updated

48 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 13, 2025)
Rainy Weather

Day

54°

Night

50°

Wind

15 mph

UV Index

10

Precipitation

98 %

Air Quality in Bristol

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

Pollutant Concentrations:

PM2.5 19 µg/m³
PM10 23.8 µg/m³
O3 0.047 ppm
NO2 6.4 ppb
SO2 1.5 ppb
CO 0.20 ppm
NH3 0.28 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 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)
PM2.5 – 19 µg/m³
PM10 – 23.8 µg/m³
O3 – 91.89 µg/m³
NO2 – 11.98 µg/m³
SO2 – 3.91 µg/m³
CO – 223.73 µg/m³
NH3 – 0.28 µg/m³
NO – 0 µg/m³