Franconia Park

Data time: 2/6/2026 8:00 PM 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	34	PPB
PM10	21	UG/M3
PM2.5	13.1	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
20:00	0	Good	SO2	SO2
20:00	31	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
20:00	19	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
20:00	58	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.
19:00	0	Good	SO2	SO2
19:00	32	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
19:00	20	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
19:00	59	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.
18:00	0	Good	SO2	SO2
18:00	32	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
18:00	20	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
18:00	57	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.
17:00	0	Good	SO2	SO2
17:00	33	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
17:00	20	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
17:00	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.
16:00	1	Good	SO2	SO2
16:00	33	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
16:00	20	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
16:00	56	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.
15:00	1	Good	SO2	SO2
15:00	31	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
15:00	20	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.