NASA

Data time: 12/27/2025 7:00 AM 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	0	PPB
CO	0.1	PPM
NO2	2	PPB
Ozone	20	PPB
PM10	10	UG/M3
PM2.5	6.6	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
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	2	Good	NO2	NO2	None	None
07:00	19	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
07:00	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
07:00	37	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	2	Good	NO2	NO2	None	None
06:00	20	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
06:00	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
06:00	38	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	2	Good	NO2	NO2	None	None
05:00	21	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
05:00	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
05:00	40	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	1	Good	CO	CO	None	People with heart disease are the group most at risk.
04:00	1	Good	NO2	NO2	None	None
04:00	23	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
04:00	8	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
04:00	40	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
03:00	1	Good	CO	CO	None	People with heart disease are the group most at risk.
03:00	2	Good	NO2	NO2	None	None
03:00	22	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
03:00	8	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
03:00	39	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
02:00	0	Good	SO2	SO2
02:00	1	Good	CO	CO	None	People with heart disease are the group most at risk.
02:00	1	Good	NO2	NO2	None	None
02:00	23	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
02:00	8	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.