NOAA

Data time: 12/3/2025 10:00 AM ET

Monitoring Site

Location
Address:	NOAA Storage Facility
City:	Norfolk
Latitude:	36.85555
Longitude:	-76.30135
Region:	Tidewater

Air Quality Information
Pollutant	Concentration	Units of Measure
SO2	0	PPB
CO	0.1	PPM
NO2	10	PPB
PM10	6	UG/M3
PM2.5	5.1	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
10:00	0	Good	SO2	SO2
10:00	1	Good	CO	CO	None	People with heart disease are the group most at risk.
10:00	9	Good	NO2	NO2	None	None
10:00	6	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
10:00	28	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
09:00	0	Good	SO2	SO2
09:00	1	Good	CO	CO	None	People with heart disease are the group most at risk.
09:00	12	Good	NO2	NO2	None	None
09:00	6	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
09:00	29	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
08:00	0	Good	SO2	SO2
08:00	1	Good	CO	CO	None	People with heart disease are the group most at risk.
08:00	13	Good	NO2	NO2	None	None
08:00	5	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
08:00	26	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	1	Good	CO	CO	None	People with heart disease are the group most at risk.
07:00	10	Good	NO2	NO2	None	None
07:00	6	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
07:00	26	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	1	Good	CO	CO	None	People with heart disease are the group most at risk.
06:00	9	Good	NO2	NO2	None	None
06:00	6	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
06:00	26	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	1	Good	CO	CO	None	People with heart disease are the group most at risk.
05:00	9	Good	NO2	NO2	None	None
05:00	6	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.