Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | n/a°F | n/a°F | n/a°F | n/a |
February | n/a°F | n/a°F | n/a°F | n/a |
March | n/a°F | n/a°F | n/a°F | n/a |
April | n/a°F | n/a°F | n/a°F | n/a |
May | n/a°F | n/a°F | n/a°F | n/a |
June | n/a°F | n/a°F | n/a°F | n/a |
July | n/a°F | n/a°F | n/a°F | n/a |
August | n/a°F | n/a°F | n/a°F | n/a |
September | n/a°F | n/a°F | n/a°F | n/a |
October | n/a°F | n/a°F | n/a°F | n/a |
November | n/a°F | n/a°F | n/a°F | n/a |
December | n/a°F | n/a°F | n/a°F | n/a |
Index | Crow Agency | Montana | National |
Air quality index | 21 | 34 | 42 |
Pollution index | 562,118 | 834,473 | 2,726,193 |
Measurement | Total |
Days measured | 362 |
Days with good air quality | 357 |
Days with moderate air quality | 4 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 1 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.001% |
Lead | 0.002% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
St. Xavier, MT | 184 | 21 | 58.0% |
Hardin, MT | 3,777 | 21 | 58.0% |
Crow Agency, MT | 1,972 | 21 | 58.0% |
City | Population | Air Quality Index | National Avg. |
Catlin, IL | 1,972 | 42 | 16.0% |
North Hartsville, SC | 1,972 | 40 | 20.0% |
Jerome, IL | 1,973 | 40 | 20.0% |
Merrionette Park, IL | 1,973 | 55 | 10.0% |
Liberty, KY | 1,971 | 40 | 20.0% |
Crow Agency, MT | 1,972 | 21 | 58.0% |