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Big Meadows

Data time: 7/21/2026 7:00 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	24	UG/M3
PM2.5	5.1	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
07:00	31	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
07:00	22	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
07:00	28	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
06:00	32	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
06:00	22	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
06:00	29	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
05:00	32	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
05:00	23	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
05:00	29	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	33	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
04:00	23	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
04:00	32	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
03:00	33	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
03:00	24	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
03:00	39	Good	PM2.5	PM 2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
02:00	31	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
02:00	25	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.