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NOAA

Data time: 7/1/2025 6:00 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	0	PPB
PM10	30	UG/M3
PM2.5	7.6	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
18:00	0	Good	SO2	SO2
18:00	1	Good	CO	CO	None	People with heart disease are the group most at risk.
18:00	0	Good	NO2	NO2	None	None
18:00	28	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
18:00	42	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	1	Good	CO	CO	None	People with heart disease are the group most at risk.
17:00	0	Good	NO2	NO2	None	None
17:00	29	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
17:00	42	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	CO	CO	None	People with heart disease are the group most at risk.
16:00	0	Good	NO2	NO2	None	None
16:00	29	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
16:00	42	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	CO	CO	None	People with heart disease are the group most at risk.
15:00	0	Good	NO2	NO2	None	None
15:00	30	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
15:00	42	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	CO	CO	None	People with heart disease are the group most at risk.
14:00	0	Good	NO2	NO2	None	None
14:00	28	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
14:00	41	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
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	27	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.