Franconia Park

Data time: 2/17/2026 9:00 AM ET

Location
Address:	Lee District Park
Latitude:	38.77335
Longitude:	-77.10468
Region:	Northern

Air Quality Information
Pollutant	Concentration	Units of Measure
SO2	0	PPB
Ozone	20	PPB
PM10	17	UG/M3
PM2.5	10.1	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
09:00	0	Good	SO2	SO2
09:00	19	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
09:00	16	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
09:00	53	Moderate	PM2.5	PM2.5	Respiratory symptoms possible in unusually sensitive individuals, possible aggravation of heart or lung disease in people with cardiopulmonary disease and older adults.	People with respiratory or heart disease, the elderly and children are the groups most at risk.
08:00	0	Good	SO2	SO2
08:00	18	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
08:00	16	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
08:00	53	Moderate	PM2.5	PM2.5	Respiratory symptoms possible in unusually sensitive individuals, possible aggravation of heart or lung disease in people with cardiopulmonary disease and older adults.	People with respiratory or heart disease, the elderly and children are the groups most at risk.
07:00	0	Good	SO2	SO2
07:00	16	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
07:00	16	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
07:00	53	Moderate	PM2.5	PM2.5	Respiratory symptoms possible in unusually sensitive individuals, possible aggravation of heart or lung disease in people with cardiopulmonary disease and older adults.	People with respiratory or heart disease, the elderly and children are the groups most at risk.
06:00	16	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
06:00	16	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
06:00	54	Moderate	PM2.5	PM2.5	Respiratory symptoms possible in unusually sensitive individuals, possible aggravation of heart or lung disease in people with cardiopulmonary disease and older adults.	People with respiratory or heart disease, the elderly and children are the groups most at risk.
05:00	0	Good	SO2	SO2
05:00	15	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
05:00	16	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
05:00	55	Moderate	PM2.5	PM2.5	Respiratory symptoms possible in unusually sensitive individuals, possible aggravation of heart or lung disease in people with cardiopulmonary disease and older adults.	People with respiratory or heart disease, the elderly and children are the groups most at risk.
04:00	0	Good	SO2	SO2
04:00	15	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
04:00	17	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.