Franconia Park

Data time: 9/19/2026 11:00 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	37	PPB
PM10	10	UG/M3
PM2.5	4.4	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
11:00	0	Good	SO2	SO2
11:00	34	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
11:00	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
11:00	24	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
10:00	0	Good	SO2	SO2
10:00	27	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
10:00	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
10:00	24	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
09:00	0	Good	SO2	SO2
09:00	20	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
09:00	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
09:00	24	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
08:00	0	Good	SO2	SO2
08:00	19	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
08:00	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
08:00	24	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
07:00	1	Good	SO2	SO2
07:00	18	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
07:00	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
07:00	23	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
06:00	1	Good	SO2	SO2
06:00	25	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
06:00	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.