Shirley Plantation

Data time: 2/28/2026 4:00 AM ET

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
04:00	0	Good	SO2	SO2
04:00	1	Good	NO2	NO2	None	None
04:00	6	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
04:00	33	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
03:00	1	Good	NO2	NO2	None	None
03:00	6	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
03:00	32	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	1	Good	NO2	NO2	None	None
02:00	12	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
02:00	31	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	16	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
01:00	31	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	1	Good	NO2	NO2	None	None
00:00	19	Good	Ozone	Ozone	None	Children and people with asthma are the groups most at risk.
00:00	31	Good	PM2.5	PM2.5	None	People with respiratory or heart disease, the elderly and children are the groups most at risk.
23:00	0	Good	SO2	SO2