Hourly Weather | Today Monday, June 29, 2026
Active Weather Warnings
Bristol, Connecticut
11 PM
Cloudy Night
70°
Feels Like 68°
0
Humidity: 84%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 PM
42 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.07 µg/m³
  • PM10: 12.61 µg/m³
  • O3: 0.045 ppm
  • NO2: 7 ppb
  • SO2: 1.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Bristol

Air Quality Alert

Air Quality Alert issued June 29 at 4:17PM EDT by NWS Boston/Norton MA
Jun 29, 4:17 PM Jun 30, 11:00 PM
The Connecticut Department of Environmental Protection has issued an
Air Quality Alert Day for Ground Level Ozone, from 11 AM to 11 PM
EDT Tuesday.

An Air Quality Alert day means that Ground Level Ozone
concentrations within the region may approach or exceed unhealthy
standards. For additional information, please visit the Connecticut
Department of Energy and Environmental Protection website at:

https://portal.ct.gov/deep
Updated: Jun 29, 10:33 PM Source: NWS Alert