NASA

Data time: 10/27/2025 4:00 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	0	PPB
Ozone	37	PPB
PM10	6	UG/M3
PM2.5	2.7	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
16:00	1	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	34	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
16:00	6	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
16:00	15	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	34	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
15:00	6	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
15:00	15	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	33	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
14:00	5	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
14:00	15	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	0	Good	NO2	NO2	None	None
13:00	32	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
13:00	5	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
13:00	15	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	0	Good	NO2	NO2	None	None
12:00	33	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
12:00	5	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
12:00	16	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	1	Good	NO2	NO2	None	None
11:00	35	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
11:00	5	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.