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NOAA

Data time: 11/7/2025 1:00 PM 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	2	PPB
PM10	13	UG/M3
PM2.5	3.7	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
13:00	0	Good	SO2	SO2
13:00	1	Good	CO	CO	None	People with heart disease are the group most at risk.
13:00	2	Good	NO2	NO2	None	None
13:00	12	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
13:00	21	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
12:00	0	Good	SO2	SO2
12:00	1	Good	CO	CO	None	People with heart disease are the group most at risk.
12:00	6	Good	NO2	NO2	None	None
12:00	12	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
12:00	17	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
11:00	0	Good	SO2	SO2
11:00	1	Good	CO	CO	None	People with heart disease are the group most at risk.
11:00	3	Good	NO2	NO2	None	None
11:00	12	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
11:00	18	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
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	4	Good	NO2	NO2	None	None
10:00	12	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
10:00	21	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	11	Good	NO2	NO2	None	None
09:00	11	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
09:00	26	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	17	Good	NO2	NO2	None	None
08:00	11	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.