Today | Weather | Monday, June 29, 2026
Active Weather Warnings

Weather in New Britain, Connecticut

09:47 PM
Now
Cloudy Night
73° F
Feels Like 72°
Precipitation 0 %
Wind 6 mph
Humidity 76 %
Today
Cloudy Night
Day 90°
Night 63°
Precipitation 1 %
Wind 5 mph

New Britain Weather Forecast Updated

32 minutes ago
Last updated on

Air Quality in New Britain

NOW
45 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 10.76 µg/m³
PM10 13.36 µg/m³
O3 0.049 ppm
NO2 5.2 ppb
SO2 1 ppb
CO 0.14 ppm
NH3 0.36 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)
PM2.510.76 µg/m³
PM1013.36 µg/m³
O395.84 µg/m³
NO29.74 µg/m³
SO22.58 µg/m³
CO160.08 µg/m³
NH30.36 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for New Britain

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, 9:15 PM Source: NWS Alert