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NASA

Data time: 11/7/2025 1:00 PM ET

Monitoring Site

Location
Address:	NASA Langley Research Center
City:	Hampton
Latitude:	37.103733
Longitude:	-76.387017
Region:	Tidewater

Air Quality Information
Pollutant	Concentration	Units of Measure
SO2	1	PPB
CO	0.1	PPM
NO2	1	PPB
Ozone	43	PPB
PM10	10	UG/M3
PM2.5	3.2	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
13:00	1	Good	SO2	SO2
13:00	1	Good	CO	CO	None	People with heart disease are the group most at risk.
13:00	1	Good	NO2	NO2	None	None
13:00	40	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
13:00	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
13:00	18	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
12:00	1	Good	SO2	SO2
12:00	1	Good	CO	CO	None	People with heart disease are the group most at risk.
12:00	3	Good	NO2	NO2	None	None
12:00	37	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
12:00	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
12:00	14	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
11:00	1	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	36	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
11:00	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
11:00	14	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
10:00	1	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	32	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
10:00	8	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
10:00	15	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
09:00	1	Good	SO2	SO2
09:00	2	Good	CO	CO	None	People with heart disease are the group most at risk.
09:00	5	Good	NO2	NO2	None	None
09:00	30	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
09:00	8	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
09:00	17	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
08:00	1	Good	SO2	SO2
08:00	2	Good	CO	CO	None	People with heart disease are the group most at risk.
08:00	9	Good	NO2	NO2	None	None
08:00	33	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
08:00	8	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.