Big Meadows

Data time: 4/27/2026 12:00 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	49	PPB
PM10	6	UG/M3
PM2.5	3	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
12:00	45	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
12:00	6	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
12:00	17	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
11:00	46	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
11:00	5	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
11:00	16	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
10:00	46	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
10:00	5	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
10:00	14	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	46	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
09:00	5	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
09:00	14	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	46	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
08:00	5	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
08:00	15	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	45	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
07:00	5	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.