Big Meadows

Data time: 1/19/2026 4:00 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	34	PPB
PM10	9	UG/M3
PM2.5	3.4	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
04:00	31	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
04:00	8	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
04:00	19	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
03:00	32	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
03:00	8	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
03:00	18	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
02:00	32	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
02:00	8	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
02:00	19	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
01:00	32	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
01:00	8	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
01:00	19	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
00:00	32	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
00:00	8	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
00:00	19	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
23:00	31	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.