Big Meadows

Data time: 4/24/2026 5:00 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	58	PPB
PM10	16	UG/M3
PM2.5	6.9	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
05:00	61	Moderate	Ozone	Ozone	Unusually sensitive individuals may experience respiratory symptoms.	Children and people with asthma are the groups most at risk.
05:00	15	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
05:00	38	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
04:00	61	Moderate	Ozone	Ozone	Unusually sensitive individuals may experience respiratory symptoms.	Children and people with asthma are the groups most at risk.
04:00	15	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
04:00	36	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	61	Moderate	Ozone	Ozone	Unusually sensitive individuals may experience respiratory symptoms.	Children and people with asthma are the groups most at risk.
03:00	15	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
03:00	33	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	61	Moderate	Ozone	Ozone	Unusually sensitive individuals may experience respiratory symptoms.	Children and people with asthma are the groups most at risk.
02:00	15	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
02:00	32	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	61	Moderate	Ozone	Ozone	Unusually sensitive individuals may experience respiratory symptoms.	Children and people with asthma are the groups most at risk.
01:00	14	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
01:00	30	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	61	Moderate	Ozone	Ozone	Unusually sensitive individuals may experience respiratory symptoms.	Children and people with asthma are the groups most at risk.
00:00	14	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.