Today | Weather | Tuesday, June 9, 2026

Weather in West Haven, Connecticut

07:55 PM
Now
Cloudy Weather
70° F
Feels Like 68°
Precipitation 0 %
Wind 11 mph
UV Index (0 - 11+) 0
Humidity 64 %
Today
Sunny Weather
Day 79°
Night 61°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

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.

West Haven Weather Forecast Updated

Last updated on

Air Quality in West Haven

NOW
42 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.48 µg/m³
PM10 7.29 µg/m³
O3 0.045 ppm
NO2 0.8 ppb
SO2 0.3 ppb
CO 0.10 ppm
NH3 0 µg/m³
NO 0.04 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)
PM2.52.48 µg/m³
PM107.29 µg/m³
O388.8 µg/m³
NO21.57 µg/m³
SO20.72 µg/m³
CO109.28 µg/m³
NH30 µg/m³
NO0.04 µg/m³