Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 3°F | 25°F | 13°F | 2.4" |
February | 5°F | 27°F | 15°F | 1.2" |
March | 17°F | 41°F | 27°F | 1.2" |
April | 27°F | 57°F | 41°F | 1.2" |
May | 37°F | 67°F | 52°F | 2.3" |
June | 47°F | 75°F | 61°F | 4.6" |
July | 52°F | 85°F | 67°F | 4.2" |
August | 49°F | 83°F | 65°F | 2.3" |
September | 41°F | 73°F | 55°F | 1.8" |
October | 29°F | 58°F | 41°F | 1.3" |
November | 17°F | 41°F | 27°F | 1.4" |
December | 2°F | 23°F | 12°F | 2.6" |
Index | Plentywood | Montana | National |
Air quality index | 34 | 34 | 42 |
Pollution index | 563,599 | 834,473 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 309 |
Days with moderate air quality | 53 |
Days w/ poor A.Q. for sensitive groups | 3 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.001% |
Lead | 0.010% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Reserve, MT | 36 | 34 | 32.0% |
Antelope, MT | 47 | 34 | 32.0% |
Outlook, MT | 102 | 34 | 32.0% |
Plentywood, MT | 1,527 | 34 | 32.0% |
City | Population | Air Quality Index | National Avg. |
Mammoth, AZ | 1,527 | 47 | 6.0% |
New Market, MD | 1,527 | 40 | 20.0% |
Limestone, ME | 1,527 | 31 | 38.0% |
Edgeworth, PA | 1,527 | 56 | 12.0% |
Ferndale, PA | 1,527 | 39 | 22.0% |
Plentywood, MT | 1,527 | 34 | 32.0% |