Rockingham Co.

Data time: 11/9/2025 8:00 AM 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	5	PPB
Ozone	14	PPB
PM10	12	UG/M3
PM2.5	6.4	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
08:00	0	Good	SO2	SO2
08:00	5	Good	NO2	NO2	None	None
08:00	13	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
08:00	11	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
08:00	36	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
07:00	0	Good	SO2	SO2
07:00	7	Good	NO2	NO2	None	None
07:00	1	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
07:00	11	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
07:00	41	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
06:00	0	Good	SO2	SO2
06:00	8	Good	NO2	NO2	None	None
06:00	0	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
06:00	11	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
06:00	43	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
05:00	0	Good	SO2	SO2
05:00	11	Good	NO2	NO2	None	None
05:00	0	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
05:00	11	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
05:00	43	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
04:00	0	Good	SO2	SO2
04:00	12	Good	NO2	NO2	None	None
04:00	0	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
04:00	11	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
04:00	46	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
03:00	9	Good	NO2	NO2	None	None
03:00	0	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.