NASA

Data time: 1/26/2026 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	4	PPB
Ozone	18	PPB
PM10	4	UG/M3
PM2.5	5.9	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	4	Good	NO2	NO2	None	None
07:00	17	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
07:00	4	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
07:00	33	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	5	Good	NO2	NO2	None	None
06:00	17	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
06:00	4	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
06:00	33	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	5	Good	NO2	NO2	None	None
05:00	18	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
05:00	4	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
05:00	31	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	4	Good	NO2	NO2	None	None
04:00	19	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
04:00	4	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
04:00	27	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	4	Good	NO2	NO2	None	None
03:00	19	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
03:00	4	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
03:00	25	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	3	Good	NO2	NO2	None	None
02:00	19	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
02:00	4	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.