Today | Weather | Tuesday, October 14, 2025

Weather in New Haven, Connecticut

01:15 AM
Now
Cloudy Weather
54° F
Feels Like 45°
Precipitation 40 %
Wind 20 mph
Humidity 99 %
Today
Rainy Weather
Day 61°
Night 55°
Precipitation 59 %
Wind 16 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.

New Haven Weather Forecast Updated

Last updated on

Air Quality in New Haven

NOW
31 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.33 µg/m³
PM10 4.59 µg/m³
O3 0.033 ppm
NO2 2.2 ppb
SO2 0.4 ppb
CO 0.10 ppm
NH3 0.04 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)
PM2.52.33 µg/m³
PM104.59 µg/m³
O364.84 µg/m³
NO24.13 µg/m³
SO20.92 µg/m³
CO111.21 µg/m³
NH30.04 µg/m³
NO0 µg/m³