Bryan Park

Data time: 1/23/2026 5:00 AM ET

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
05:00	3	Good	CO	CO	None	People with heart disease are the group most at risk.
05:00	28	Good	NO2	NO2	None	None
05:00	33	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
04:00	3	Good	CO	CO	None	People with heart disease are the group most at risk.
04:00	20	Good	NO2	NO2	None	None
04:00	34	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
03:00	5	Good	CO	CO	None	People with heart disease are the group most at risk.
03:00	27	Good	NO2	NO2	None	None
03:00	37	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
02:00	5	Good	CO	CO	None	People with heart disease are the group most at risk.
02:00	30	Good	NO2	NO2	None	None
02:00	40	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
01:00	5	Good	CO	CO	None	People with heart disease are the group most at risk.
01:00	44	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
00:00	5	Good	CO	CO	None	People with heart disease are the group most at risk.
00:00	35	Good	NO2	NO2	None	None