Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 17°F | 33°F | 25°F | 3.9" |
February | 24°F | 43°F | 32°F | 2.5" |
March | 33°F | 55°F | 43°F | 2.5" |
April | 38°F | 62°F | 49°F | 2.5" |
May | 45°F | 71°F | 58°F | 3.1" |
June | 54°F | 85°F | 70°F | 3.6" |
July | 62°F | 92°F | 77°F | 1.9" |
August | 60°F | 89°F | 74°F | 2.7" |
September | 50°F | 79°F | 64°F | 4.4" |
October | 39°F | 64°F | 51°F | 3.2" |
November | 30°F | 51°F | 39°F | 2.0" |
December | 21°F | 36°F | 28°F | 2.2" |
Index | Charleston | Utah | National |
Air quality index | 46 | 45 | 42 |
Pollution index | 688,749 | 3,340,369 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 253 |
Days with moderate air quality | 111 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.000% |
Lead | 0.010% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Pleasant Grove, UT | 38,474 | 46 | 8.0% |
Interlaken, UT | 112 | 46 | 8.0% |
Wallsburg, UT | 330 | 46 | 8.0% |
Midway, UT | 5,210 | 46 | 8.0% |
Francis, UT | 1,364 | 46 | 8.0% |
Charleston, UT | 550 | 46 | 8.0% |
City | Population | Air Quality Index | National Avg. |
Eek, AK | 550 | 31 | 38.0% |
New Cuyama, CA | 550 | 44 | 12.0% |
San Simeon, CA | 550 | 46 | 8.0% |
Camargo, IL | 550 | 42 | 16.0% |
Thebes, IL | 550 | 44 | 12.0% |
Charleston, UT | 550 | 46 | 8.0% |