SHIRLEY

Data time: 4/11/2025 5:00 AM ET

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
05:00	0	Good	SO2	SO2
05:00	1	Good	NO2	NO2	None	None
05:00	26	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
05:00	20	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
04:00	0	Good	SO2	SO2
04:00	0	Good	NO2	NO2	None	None
04:00	28	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
04:00	19	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
03:00	0	Good	SO2	SO2
03:00	0	Good	NO2	NO2	None	None
03:00	30	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
03:00	18	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
02:00	0	Good	SO2	SO2
02:00	0	Good	NO2	NO2	None	None
02:00	30	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
02:00	18	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
01:00	0	Good	SO2	SO2
01:00	1	Good	NO2	NO2	None	None
01:00	31	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
01:00	18	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
00:00	0	Good	SO2	SO2
00:00	0	Good	NO2	NO2	None	None
00:00	27	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.