Today | Weather | Tuesday, July 21, 2026

Weather in Springfield, Massachusetts

04:08 AM
Now
Cloudy Night
61° F
Feels Like 61°
Precipitation 0 %
Wind 5 mph
Humidity 97 %
Today
Stormy Weather
Day 77°
Night 70°
Precipitation 96 %
Wind 12 mph
UV Index (0 - 11+) 3

Springfield Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (July 21, 2025)
Cloudy Night

Day

81°

Night

52°

Wind

5 mph

Precipitation

1 %

Air Quality in Springfield

NOW
55 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 9.16 µg/m³
PM10 13.06 µg/m³
O3 0.055 ppm
NO2 1.4 ppb
SO2 0.5 ppb
CO 0.15 ppm
NH3 0.07 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 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)
PM2.59.16 µg/m³
PM1013.06 µg/m³
O3108.91 µg/m³
NO22.63 µg/m³
SO21.25 µg/m³
CO166.38 µg/m³
NH30.07 µg/m³
NO0 µg/m³