Today | Weather | Thursday, February 5, 2026

Weather in New Haven, Connecticut

08:35 PM
Now
Cloudy Night
21° F
Feels Like 16°
Precipitation 0 %
Wind 7 mph
Humidity 73 %
Today
Cloudy Night
Day 34°
Night 14°
Precipitation 0 %
Wind 7 mph

New Haven Weather Forecast Updated

18 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 5, 2025)
Cloudy Weather

Day

32°

Night

25°

Wind

8 mph

UV Index

2

Precipitation

0 %

Air Quality in New Haven

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

Pollutant Concentrations:

PM2.5 15.2 µg/m³
PM10 19.6 µg/m³
O3 0.024 ppm
NO2 22.7 ppb
SO2 3.3 ppb
CO 0.29 ppm
NH3 1.58 µg/m³
NO 0.03 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)
PM2.515.2 µg/m³
PM1019.6 µg/m³
O346.77 µg/m³
NO242.64 µg/m³
SO28.53 µg/m³
CO331.6 µg/m³
NH31.58 µg/m³
NO0.03 µg/m³