Today | Weather | Wednesday, March 18, 2026

Weather in Malden, Massachusetts

07:04 AM
Now
Cloudy Weather
25° F
Feels Like
Precipitation 0 %
Wind 16 mph
UV Index (0 - 11+) 0
Humidity 50 %
Today
Cloudy Weather
Day 36°
Night 25°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 4
Tomorrow Morning Frost 5 AM – 5 AM

Malden Weather Forecast Updated

53 seconds ago
Last updated on

Air Quality in Malden

NOW
45 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.56 µg/m³
PM10 1.11 µg/m³
O3 0.049 ppm
NO2 1.5 ppb
SO2 0.3 ppb
CO 0.15 ppm
NH3 0.25 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)
PM2.50.56 µg/m³
PM101.11 µg/m³
O395.48 µg/m³
NO22.83 µg/m³
SO20.85 µg/m³
CO167.69 µg/m³
NH30.25 µg/m³
NO0 µg/m³