Big Meadows

Data time: 10/3/2026 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	24	PPB
PM10	11	UG/M3
PM2.5	0.7	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
04:00	22	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
04:00	10	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
04:00	4	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	24	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
03:00	11	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
03:00	3	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	25	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
02:00	11	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
02:00	3	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	27	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
01:00	12	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
01:00	4	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	29	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
00:00	12	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
00:00	7	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	23	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.