Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 25°F | 34°F | 29°F | n/a |
February | 25°F | 37°F | 30°F | n/a |
March | 32°F | 47°F | 38°F | n/a |
April | 35°F | 56°F | 44°F | n/a |
May | 43°F | 68°F | 55°F | n/a |
June | 48°F | 71°F | 58°F | n/a |
July | 54°F | 84°F | 69°F | n/a |
August | 54°F | 84°F | 68°F | n/a |
September | 47°F | 73°F | 59°F | n/a |
October | 37°F | 55°F | 45°F | n/a |
November | 29°F | 40°F | 34°F | n/a |
December | 26°F | 34°F | 30°F | n/a |
Index | White Haven | Montana | National |
Air quality index | 37 | 34 | 42 |
Pollution index | 4,670,990 | 834,473 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 302 |
Days with moderate air quality | 62 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.050% |
Benzene | 0.060% |
Carbon Tetrachloride | 0.010% |
Lead | 0.060% |
Mercury | 0.003% |
City | Population | Air Quality Index | National Avg. |
Libby, MT | 2,758 | 37 | 26.0% |
Pioneer Junction, MT | 880 | 37 | 26.0% |
White Haven, MT | 614 | 37 | 26.0% |
City | Population | Air Quality Index | National Avg. |
Melbourne, KY | 614 | 54 | 8.0% |
Amboy, MN | 614 | 15 | 70.0% |
Paul Smiths, NY | 614 | 0 | 100.0% |
Hopeland, PA | 614 | 42 | 16.0% |
Shickshinny, PA | 614 | 38 | 24.0% |
White Haven, MT | 614 | 37 | 26.0% |