Today | Weather | Wednesday, September 9, 2026

Weather in Newton, Massachusetts

09:42 PM
Now
Rainy Weather
72° F
Feels Like 70°
Precipitation 67 %
Wind 12 mph
Humidity 83 %
Today
Rainy Weather
Day 81°
Night 70°
Precipitation 96 %
Wind 12 mph

Newton Weather Forecast Updated

23 minutes ago
Last updated on

Air Quality in Newton

NOW
52 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 8.47 µg/m³
PM10 17.33 µg/m³
O3 0.055 ppm
NO2 0.5 ppb
SO2 0.3 ppb
CO 0.10 ppm
NH3 0.03 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)
PM2.58.47 µg/m³
PM1017.33 µg/m³
O3107.54 µg/m³
NO21.02 µg/m³
SO20.75 µg/m³
CO110.37 µg/m³
NH30.03 µg/m³
NO0 µg/m³