Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 12°F | 34°F | 22°F | 4.8" |
February | 9°F | 34°F | 21°F | 4.5" |
March | 19°F | 43°F | 30°F | 8.0" |
April | 33°F | 55°F | 43°F | 16.6" |
May | 42°F | 65°F | 52°F | 9.1" |
June | 54°F | 79°F | 65°F | 6.2" |
July | 58°F | 82°F | 68°F | 8.2" |
August | 56°F | 84°F | 68°F | 14.0" |
September | 49°F | 76°F | 62°F | 6.3" |
October | 42°F | 62°F | 51°F | 9.5" |
November | 29°F | 50°F | 38°F | 8.6" |
December | 14°F | 36°F | 25°F | 5.2" |
Index | Lake Arrowhead | Maine | National |
Air quality index | 40 | 33 | 42 |
Pollution index | 91,790 | 3,417,521 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 308 |
Days with moderate air quality | 56 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.002% |
Carbon Tetrachloride | 0.000% |
Lead | 0.001% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Milton Mills, NH | 216 | 31 | 38.0% |
Sanbornville, NH | 778 | 31 | 38.0% |
Union, NH | 242 | 31 | 38.0% |
Milton, NH | 537 | 31 | 38.0% |
Saco, ME | 19,716 | 40 | 20.0% |
Lake Arrowhead, ME | 2,727 | 40 | 20.0% |
City | Population | Air Quality Index | National Avg. |
Riverdale, CA | 2,727 | 56 | 12.0% |
Marlborough, MO | 2,727 | 54 | 8.0% |
Stigler, OK | 2,727 | 5 | 90.0% |
North Rock Springs, WY | 2,727 | 46 | 8.0% |
Stanstead, QC | 2,727 | n/a | |
Lake Arrowhead, ME | 2,727 | 40 | 20.0% |