Big Meadows

Data time: 9/17/2026 2:00 PM 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	46	PPB
PM10	13	UG/M3
PM2.5	6.8	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
14:00	43	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
14:00	12	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
14:00	38	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
13:00	44	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
13:00	12	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
13:00	40	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
12:00	44	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
12:00	12	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
12:00	41	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
11:00	43	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
11:00	11	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
11:00	39	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	42	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
10:00	11	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
10:00	38	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	44	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
09:00	11	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.