Franconia Park

Data time: 8/31/2025 11:00 PM ET
Monitoring Site
Location
Address: Lee District Park
Latitude: 38.77335
Longitude: -77.10468
Region: Northern
Air Quality Information
Pollutant Concentration Units of Measure
SO2 0 PPB
PM10 9 UG/M3
Historical Data Concentration
HourAQIClassProgramResponsible PollutantActivity CautionRisk Groups
23:000GoodSO2SO2  
23:008GoodPM10PM10NonePeople with respiratory disease are the group most at risk.
22:000GoodSO2SO2  
22:008GoodPM10PM10NonePeople with respiratory disease are the group most at risk.
21:000GoodSO2SO2  
21:008GoodPM10PM10NonePeople with respiratory disease are the group most at risk.
20:000GoodSO2SO2  
20:008GoodPM10PM10NonePeople with respiratory disease are the group most at risk.
19:000GoodSO2SO2  
19:008GoodPM10PM10NonePeople with respiratory disease are the group most at risk.
18:000GoodSO2SO2  
18:0031GoodOzoneOzoneNoneChildren and people with asthma are the groups most at risk.