Rockingham Co.

Data time: 6/29/2026 7:00 PM ET

Location
Address:	Harrisonburg VDOT
Latitude:	38.47753
Longitude:	-78.80952
Region:	Valley

Air Quality Information
Pollutant	Concentration	Units of Measure
SO2	0	PPB
NO2	7	PPB
Ozone	29	PPB
PM10	12	UG/M3
PM2.5	6.7	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
19:00	0	Good	SO2	SO2
19:00	7	Good	NO2	NO2	None	None
19:00	27	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
19:00	11	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
19:00	37	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
18:00	0	Good	SO2	SO2
18:00	3	Good	NO2	NO2	None	None
18:00	33	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
18:00	11	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
18:00	34	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
17:00	0	Good	SO2	SO2
17:00	2	Good	NO2	NO2	None	None
17:00	34	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
17:00	10	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
17:00	32	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
16:00	0	Good	SO2	SO2
16:00	1	Good	NO2	NO2	None	None
16:00	35	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
16:00	10	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
16:00	31	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
15:00	0	Good	SO2	SO2
15:00	1	Good	NO2	NO2	None	None
15:00	37	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
15:00	10	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
15:00	31	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
14:00	0	Good	SO2	SO2
14:00	1	Good	NO2	NO2	None	None
14:00	36	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
14:00	10	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.