Today | Weather | Thursday, December 4, 2025

Weather in Baltimore, Maryland

04:29 AM
Now
Cloudy Night
30° F
Feels Like 28°
Precipitation 0 %
Wind 5 mph
Humidity 85 %
Today
Cloudy Weather
Day 43°
Night 25°
Precipitation 10 %
Wind 14 mph
UV Index (0 - 11+) 1

Baltimore Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 4, 2024)
Snowy Weather

Day

45°

Night

34°

Wind

12 mph

Precipitation

90 %

Air Quality in Baltimore

NOW
30 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 7.08 µg/m³
PM10 8.6 µg/m³
O3 0.017 ppm
NO2 6.6 ppb
SO2 0.3 ppb
CO 0.21 ppm
NH3 0.29 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)
PM2.57.08 µg/m³
PM108.6 µg/m³
O333.54 µg/m³
NO212.46 µg/m³
SO20.85 µg/m³
CO237.19 µg/m³
NH30.29 µg/m³
NO0 µg/m³