Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 18°F | 38°F | 28°F | 2.7" |
February | 18°F | 38°F | 28°F | 2.7" |
March | 27°F | 47°F | 36°F | 3.9" |
April | 37°F | 61°F | 48°F | 3.7" |
May | 47°F | 71°F | 58°F | 3.7" |
June | 55°F | 79°F | 66°F | 5.1" |
July | 62°F | 85°F | 73°F | 4.0" |
August | 59°F | 83°F | 70°F | 3.6" |
September | 52°F | 76°F | 63°F | 3.4" |
October | 41°F | 64°F | 52°F | 4.7" |
November | 32°F | 53°F | 42°F | 3.5" |
December | 24°F | 42°F | 33°F | 4.4" |
Index | Littleton Common | Massachusetts | National |
Air quality index | 40 | 40 | 42 |
Pollution index | 7,556,320 | 8,399,610 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 312 |
Days with moderate air quality | 52 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.040% |
Lead | 0.010% |
Mercury | 0.040% |
City | Population | Air Quality Index | National Avg. |
Pepperell, MA | 2,685 | 37 | 26.0% |
Nashua, NH | 89,052 | 37 | 26.0% |
East Pepperell, MA | 1,916 | 37 | 26.0% |
Groton, MA | 1,127 | 37 | 26.0% |
Lowell, MA | 111,311 | 37 | 26.0% |
Littleton Common, MA | 3,370 | 40 | 20.0% |
City | Population | Air Quality Index | National Avg. |
Walton Park, NY | 3,369 | 36 | 28.0% |
Cleves, OH | 3,371 | 54 | 8.0% |
Arbuckle, CA | 3,368 | 44 | 12.0% |
Winter Beach, FL | 3,368 | 36 | 28.0% |
Three Rivers, OR | 3,368 | 20 | 60.0% |
Littleton Common, MA | 3,370 | 40 | 20.0% |