Today | Weather | Monday, July 20, 2026

Weather in Chicopee, Massachusetts

05:20 PM
Now
Cloudy Weather
82° F
Feels Like 84°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 3
Humidity 37 %
Today
Cloudy Weather
Day 84°
Night 57°
Precipitation 0 %
Wind 4 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.

Chicopee Weather Forecast Updated

40 minutes ago
Last updated on

Air Quality in Chicopee

NOW
106 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 9.9 µg/m³
PM10 11.24 µg/m³
O3 0.072 ppm
NO2 2.4 ppb
SO2 1 ppb
CO 0.11 ppm
NH3 0.47 µg/m³
NO 0.6 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:

Members of sensitive groups may experience health effects. The general public is not likely to be affected.

Show raw pollutant concentrations (µg/m³)
PM2.59.9 µg/m³
PM1011.24 µg/m³
O3140.69 µg/m³
NO24.52 µg/m³
SO22.66 µg/m³
CO129.72 µg/m³
NH30.47 µg/m³
NO0.6 µg/m³