Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 22°F | 38°F | 29°F | 6.3" |
February | 20°F | 38°F | 29°F | 6.1" |
March | 28°F | 47°F | 37°F | 8.2" |
April | 39°F | 59°F | 48°F | 7.7" |
May | 48°F | 69°F | 58°F | 6.4" |
June | 56°F | 76°F | 65°F | 7.2" |
July | 63°F | 82°F | 72°F | 10.6" |
August | 60°F | 80°F | 69°F | 9.0" |
September | 54°F | 73°F | 63°F | 8.3" |
October | 44°F | 63°F | 53°F | 7.9" |
November | 35°F | 52°F | 43°F | 8.0" |
December | 27°F | 42°F | 34°F | 7.8" |
Index | Harmony | Rhode Island | National |
Air quality index | 44 | 45 | 42 |
Pollution index | 8,312,000 | 3,440,259 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 289 |
Days with moderate air quality | 74 |
Days w/ poor A.Q. for sensitive groups | 2 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.090% |
Carbon Tetrachloride | 0.040% |
Lead | 0.210% |
Mercury | 0.060% |
City | Population | Air Quality Index | National Avg. |
Danielson, CT | 3,996 | 33 | 34.0% |
Putnam, CT | 7,138 | 33 | 34.0% |
Moosup, CT | 3,922 | 37 | 26.0% |
Webster, MA | 11,719 | 40 | 20.0% |
East Douglas, MA | 2,985 | 40 | 20.0% |
Harmony, RI | 1,195 | 44 | 12.0% |
City | Population | Air Quality Index | National Avg. |
Ponderay, ID | 1,195 | 43 | 14.0% |
Stiles, PA | 1,195 | 42 | 16.0% |
Iola, WI | 1,195 | 37 | 26.0% |
Glenella-Lansdowne, MB | 1,195 | n/a | |
Lake Park, IA | 1,194 | 36 | 28.0% |
Harmony, RI | 1,195 | 44 | 12.0% |