Baltimore City
Air quality averages across the city from Jul 1, 2024 to Jun 30, 2025.
Average PM2.5
Average PM2.5 (µg/m3) levels across Baltimore City
GoodModerateUnhealthy for Sensitive Groups
UnhealthyVery UnhealthyHazardous
GoodModerateUnhealthy for Sensitive GroupsUnhealthyVery UnhealthyHazardous
98th Percentile PM2.5
98th Percentile PM2.5 (µg/m3) levels across Baltimore City
Percentiles estimated using hourly (<50 days) or daily averaged (≥50 days) PM2.5 data.GoodModerateUnhealthy for Sensitive Groups
UnhealthyVery UnhealthyHazardous
GoodModerateUnhealthy for Sensitive GroupsUnhealthyVery UnhealthyHazardous