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Naperville Environment Facts

Air Quality, Water Quality, Climate and more


Naperville
Air Quality
Du Page County
. Good Days Moderate Days Unhealthy for Sensitive Persons Days Unhealthy Days Very Unhealthy Days
2017 237 72 2 0 0
2016 194 38 9 0 0
2015 219 40 1 0 0
2014 205 29 0 0 0
2013 231 71 0 0 0




Naperville
Water Quality
Des Plaines & Lower Fox Watersheds
. % Good % Threatened % Impaired
2014 na na na
2012 na na na
2010 na na na
2008 18 0 82
2006 22 0 78
2004 24 0 76
2002 28 0 72




Naperville
Recreation
. # of Parks # of Parks
(99 City Avg)
National Parks, Historic Sites, etc.
(managed by National Park Service)
Indiana Dunes National Lakeshore and Pullman National Monument 7
National Campgrounds, Lodges, etc.
(other federal agency-managed sites)
2 26
State Parks, Sites, etc. 11 11



Naperville Climate
(1971-2000)
. . 99 City Avg
January - Avg Low Temp 14 F 27 F
January - Avg Daily Temp 23 F 37 F
July - Avg Daily Temp 75 F 74 F
July - Avg High Temp 87 F 86 F
Avg Annual Precipitation 38 in 35 in



Naperville Elevation
680 feet GPTR 99 City Average
1,652 feet



Naperville
Natural Hazards
. Risk Level 99 City Average
Total Hazard Risk Lower Moderate
Earthquake .5% 10.9%
Tsunami No Risk No Risk
Hurricane 0 10
Flood Very High Very High
Tornado Moderate Low
Volcano No Risk No Risk
Wildfire Low Low



Naperville
Man-Made Hazards (Nuclear)
Nuclear Power Stations
(# Reactors)
Distance from City GPTR 99 City
Average
Braidwood (2) 35 miles 50% of cities are within 100 miles of at least one nuclear station
Dresden (2) 40 miles
LaSalle (2) 55 miles
Byron (2) 60 miles
D.C. Cook (2) 95 miles
Palisades (1) 100 miles



Naperville
Heating and Cooling Degree Days
(avg annual)
. . 99 City Avg
Total Degree Days 6,995 5,915
HDD 6,053 4,662
CDD 942 1,253



EPA Hazardous Material Cleanup Sites
(Naperville Area)
Naperville Area EPA Cleanup Sites


Legend:
Small green circles (older style maps) or multi-colored circles (newer style maps: click here for legend) indicate 1)Superfund Sites 2)Federal Facilities 3)RCRA Corrective Action Sites and 4)Brownfields Properties (EPA hazardous material cleanup sites defined at Environment link)

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