Table 4-47. Air Pollution Trends in Selected Metropolitan Statistical AreasR (Number of days with AQI values greater than 100 at trend sites and all monitoring sites).
Table 4-47. Air Pollution Trends in Selected Metropolitan Statistical AreasR (Number of days with AQI values greater than 100 at trend sites and all monitoring sites).Excel | CSV
All sites Trend sites Total number of sites AQI days > 100 (1998) Number of trend sites...