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NOAA

Hour	AQI	Class	Responsible Pollutant	Activity Caution	Risk Groups
15:00	0	Good	SO2
15:00	2	Good	NO2	None	None
14:00	0	Good	SO2
14:00	2	Good	NO2	None	None
13:00	0	Good	SO2
13:00	3	Good	NO2	None	None
12:00	0	Good	SO2
12:00	2	Good	NO2	None	None
11:00	0	Good	SO2
11:00	1	Good	CO	None	People with heart disease are the group most at risk.
11:00	3	Good	NO2	None	None
10:00	0	Good	SO2
10:00	1	Good	CO	None	People with heart disease are the group most at risk.
10:00	2	Good	NO2	None	None