NASA

Data time: 4/30/2026 5:00 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	3	PPB
Ozone	19	PPB
PM10	10	UG/M3
PM2.5	8.4	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
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	3	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	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
05:00	47	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	2	Good	NO2	NO2	None	None
04:00	18	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
04:00	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
04:00	41	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
03:00	0	Good	SO2	SO2
03:00	1	Good	CO	CO	None	People with heart disease are the group most at risk.
03:00	3	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	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
03:00	31	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	5	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	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
02:00	23	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
01:00	0	Good	SO2	SO2
01:00	1	Good	CO	CO	None	People with heart disease are the group most at risk.
01:00	6	Good	NO2	NO2	None	None
01:00	19	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
01:00	9	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
01:00	22	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
00:00	0	Good	SO2	SO2
00:00	1	Good	CO	CO	None	People with heart disease are the group most at risk.
00:00	7	Good	NO2	NO2	None	None
00:00	18	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
00:00	8	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.