Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 16°F | 34°F | 25°F | 6.6" |
February | 16°F | 34°F | 25°F | 4.8" |
March | 24°F | 41°F | 33°F | 6.1" |
April | 35°F | 52°F | 43°F | 5.2" |
May | 44°F | 61°F | 52°F | 6.0" |
June | 52°F | 68°F | 60°F | 7.2" |
July | 58°F | 75°F | 66°F | 8.7" |
August | 57°F | 75°F | 65°F | 6.7" |
September | 51°F | 69°F | 60°F | 7.8" |
October | 41°F | 58°F | 50°F | 7.9" |
November | 32°F | 49°F | 40°F | 8.2" |
December | 22°F | 39°F | 30°F | 6.2" |
Index | Rockland | Maine | National |
Air quality index | 36 | 33 | 42 |
Pollution index | 2,324,820 | 3,417,521 | 2,726,193 |
Measurement | Total |
Days measured | 213 |
Days with good air quality | 204 |
Days with moderate air quality | 9 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.010% |
Lead | 0.020% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
Thomaston, ME | 2,018 | 36 | 28.0% |
Waldoboro, ME | 1,371 | 36 | 28.0% |
Camden, ME | 3,543 | 36 | 28.0% |
Rockland, ME | 7,172 | 36 | 28.0% |
City | Population | Air Quality Index | National Avg. |
La Sarre, QC | 7,173 | n/a | |
New Paltz, NY | 7,169 | 36 | 28.0% |
Willow Oak, FL | 7,168 | 36 | 28.0% |
North Vernon, IN | 7,167 | 35 | 30.0% |
Independence, OH | 7,167 | 50 | = 100 |
Rockland, ME | 7,172 | 36 | 28.0% |