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ASHBURN

Data time: 5/3/2024 9:00 AM ET

Location
Address:	Broad Run High School
Latitude:	39.02473
Longitude:	-77.48925
Region:	Northern

Air Quality Information
Pollutant	Concentration	Units of Measure
NO2	4	PPB
Ozone	39	PPB
PM10	20	UG/M3
PM2.5	8.1	UG/M3

Historical Data Concentration

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
09:00	4	Good	NO2	NO2	None	None
09:00	36	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
09:00	19	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
09:00	34	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
08:00	4	Good	NO2	NO2	None	None
08:00	32	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
08:00	18	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
08:00	33	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
07:00	4	Good	NO2	NO2	None	None
07:00	30	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
07:00	18	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
07:00	34	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
06:00	7	Good	NO2	NO2	None	None
06:00	25	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
06:00	18	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
06:00	37	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
05:00	5	Good	NO2	NO2	None	None
05:00	24	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
05:00	18	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.
05:00	41	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
04:00	4	Good	NO2	NO2	None	None
04:00	22	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
04:00	18	Good	PM10	PM10	None	People with respiratory disease are the group most at risk.