Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 23°F | 40°F | 31°F | 3.2" |
February | 22°F | 41°F | 31°F | 3.2" |
March | 29°F | 48°F | 38°F | 3.8" |
April | 40°F | 61°F | 49°F | 3.7" |
May | 50°F | 69°F | 58°F | 3.8" |
June | 59°F | 78°F | 67°F | 4.7" |
July | 66°F | 85°F | 74°F | 4.1" |
August | 64°F | 83°F | 73°F | 3.5" |
September | 58°F | 77°F | 66°F | 3.0" |
October | 48°F | 66°F | 56°F | 5.0" |
November | 37°F | 55°F | 45°F | 3.3" |
December | 28°F | 45°F | 36°F | 4.6" |
Index | Malden | Massachusetts | National |
Air quality index | 43 | 40 | 42 |
Pollution index | 24,018,000 | 8,399,610 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 291 |
Days with moderate air quality | 73 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.030% |
Benzene | 0.220% |
Carbon Tetrachloride | 0.100% |
Lead | 0.280% |
Mercury | 0.130% |
City | Population | Air Quality Index | National Avg. |
Lowell, MA | 111,311 | 37 | 26.0% |
Dover, MA | 2,518 | 43 | 14.0% |
Needham, MA | 31,177 | 43 | 14.0% |
Wellesley, MA | 28,747 | 43 | 14.0% |
Salem, MA | 43,350 | 43 | 14.0% |
Malden, MA | 60,710 | 43 | 14.0% |
City | Population | Air Quality Index | National Avg. |
Terre Haute, IN | 60,690 | 45 | 10.0% |
Marietta, GA | 60,687 | 52 | 4.0% |
Leander, TX | 60,613 | 44 | 12.0% |
Monterey Park, CA | 60,597 | 72 | 44.0% |
Millcreek, UT | 60,828 | 51 | 2.0% |
Malden, MA | 60,710 | 43 | 14.0% |