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Portland Environment Facts

Air Quality, Water Quality, Climate and more


Portland
Air Quality
Cumberland County
. Good Days Moderate Days Unhealthy for Sensitive Persons Days Unhealthy Days Very Unhealthy Days
2017 318 45 1 1 0
2016 327 37 2 0 0
2015 284 78 3 0 0
2014 305 59 1 0 0
2013 287 74 4 0 0




Portland
Water Quality
Presumpscot Watershed
. % Good % Threatened % Impaired
2014 na na na
2012 na na na
2010 90 0 10
2008 88 0 12
2006 91 0 9
2004 41 0 59
2002 43 0 57




Portland
Recreation
. # of Parks # of Parks
(99 City Avg)
National Parks, Historic Sites, etc.
(managed by National Park Service)
Salem Maritime National Historic Site, Essex National Heritage Area plus 6 more 7
National Campgrounds, Lodges, etc.
(other federal agency-managed sites)
16 26
State Parks, Sites, etc. 23 11



Portland Climate
(1971-2000)
. . 99 City Avg
January - Avg Low Temp 13 F 27 F
January - Avg Daily Temp 22 F 37 F
July - Avg Daily Temp 69 F 74 F
July - Avg High Temp 79 F 86 F
Avg Annual Precipitation 46 in 35 in



Portland Elevation
45 feet GPTR 99 City Average
1,652 feet



Portland
Natural Hazards
. Risk Level 99 City Average
Total Hazard Risk Moderate Moderate
Earthquake .7% 10.9%
Tsunami No Risk No Risk
Hurricane 20-40 10
Flood Very High Very High
Tornado Low Low
Volcano No Risk No Risk
Wildfire Low Low



Portland
Man-Made Hazards (Nuclear)
Nuclear Power Stations
(# Reactors)
Distance from City GPTR 99 City
Average
Seabrook (1) 60 miles 50% of cities are within 100 miles of at least one nuclear station



Portland
Heating and Cooling Degree Days
(avg annual)
. . 99 City Avg
Total Degree Days 7,665 5,915
HDD 7,318 4,662
CDD 347 1,253



EPA Hazardous Material Cleanup Sites
(Portland Area)
Portland 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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