Air Quality Trends — Baltimore City
PM2.5 trends from Jan 1, 2025 to Jun 30, 2025.
PM2.5 Timeseries Patterns
Hourly PM2.5 levels
PM2.5 Hourly Patterns
Average PM2.5 levels by hour of day
Weekday vs Weekend Patterns
Compare PM2.5 levels between weekdays and weekends
Seasonal change data is only available for ranges of 1 year or more.
Air Quality Summary
The percentage of days in each EPA category.