Today | Weather | Wednesday, March 18, 2026

Weather in Towson, Maryland

03:07 AM
Now
Cloudy Night
27° F
Feels Like 21°
Precipitation 0 %
Wind 7 mph
Humidity 58 %
Today
Cloudy Weather
Day 39°
Night 30°
Precipitation 7 %
Wind 7 mph
UV Index (0 - 11+) 4
Overnight Frost 5 AM – 7 AM

Towson Weather Forecast Updated

43 minutes ago
Last updated on

Air Quality in Towson

NOW
45 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.12 µg/m³
PM10 1.97 µg/m³
O3 0.049 ppm
NO2 1.8 ppb
SO2 0.8 ppb
CO 0.15 ppm
NH3 0.73 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)
PM2.51.12 µg/m³
PM101.97 µg/m³
O395.55 µg/m³
NO23.33 µg/m³
SO22.2 µg/m³
CO166.18 µg/m³
NH30.73 µg/m³
NO0 µg/m³