Big Meadows

Data time: 9/11/2026 11:00 AM ET

Monitoring Site

Location
Address:	Big Meadows, Shenandoah National Park
Latitude:	38.5228
Longitude:	-78.43487
Region:	Northern

Air Quality Information
Pollutant	Concentration	Units of Measure
Ozone	35	PPB
PM10	8	UG/M3
PM2.5	3.6	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
11:00	32	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
11:00	7	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
11:00	20	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
10:00	32	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
10:00	7	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
10:00	18	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
09:00	32	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
09:00	7	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
09:00	17	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
08:00	33	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
08:00	7	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
08:00	16	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
07:00	31	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
07:00	7	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
07:00	9	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
06:00	33	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
06:00	7	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.