Sumerduck

Data time: 7/17/2026 6:00 PM ET

Location
Address:	Chester Phelps Wildlife Managment Area
Latitude:	38.47367
Longitude:	-77.76772
Region:	Northern

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
18:00	36	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
17:00	37	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
16:00	46	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
15:00	61	Moderate	Ozone	Ozone	Unusually sensitive individuals may experience respiratory symptoms.	Children and people with asthma are the groups most at risk.
14:00	67	Moderate	Ozone	Ozone	Unusually sensitive individuals may experience respiratory symptoms.	Children and people with asthma are the groups most at risk.