Bryan Park

Data time: 1/17/2026 2:00 AM ET

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
02:00	2	Good	CO	CO	None	People with heart disease are the group most at risk.
02:00	19	Good	NO2	NO2	None	None
02:00	32	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
01:00	3	Good	CO	CO	None	People with heart disease are the group most at risk.
01:00	27	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
00:00	3	Good	CO	CO	None	People with heart disease are the group most at risk.
00:00	20	Good	NO2	NO2	None	None
00:00	24	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
23:00	3	Good	CO	CO	None	People with heart disease are the group most at risk.
23:00	18	Good	NO2	NO2	None	None
22:00	3	Good	CO	CO	None	People with heart disease are the group most at risk.
22:00	24	Good	NO2	NO2	None	None
21:00	3	Good	CO	CO	None	People with heart disease are the group most at risk.