Baltimore, Maryland Air Quality
Real-time air quality index (AQI) and pollution data
Population: 2,201,673 • County: Baltimore
Current AQI
Health Recommendation
Air quality is satisfactory, and air pollution poses little or no risk.
It's a great day to be active outside!
5-Day AQI Forecast
Last 90 Days
Current Pollutant Levels
Real-time data from EPA AirNow
Local Air Quality Context
Air quality data for Baltimore is sourced from the Lake Montebello monitoring area, located approximately 3 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.
Major roadways in the area include I-95, I-83, I-695, I-895, US-40, and MD-295 (Baltimore-Washington Parkway). Heavy vehicle traffic on these corridors is a primary source of nitrogen dioxide, carbon monoxide, and fine particulate matter (PM2.5).
Key local pollution sources include vehicle traffic, Port of Baltimore, steel/manufacturing legacy (Bethlehem Steel site), power plants upwind, and Baltimore-Washington corridor traffic.
Frequently Asked Questions About Baltimore Air Quality
What is the air quality in Baltimore today?
The current AQI in Baltimore is 18, rated "Good". Air quality is good — outdoor activity is safe for everyone today. Air quality is satisfactory, and air pollution poses little or no risk.
Air Quality Grade
Better than 0% of US cities
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