Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 19°F | 46°F | 32°F | 0.5" |
February | 20°F | 48°F | 33°F | 0.5" |
March | 28°F | 58°F | 42°F | 0.9" |
April | 33°F | 63°F | 47°F | 2.0" |
May | 42°F | 70°F | 55°F | 2.3" |
June | 53°F | 85°F | 68°F | 2.0" |
July | 59°F | 88°F | 73°F | 2.3" |
August | 57°F | 86°F | 71°F | 2.1" |
September | 49°F | 79°F | 63°F | 1.7" |
October | 37°F | 67°F | 51°F | 1.3" |
November | 28°F | 58°F | 41°F | 0.4" |
December | 18°F | 45°F | 30°F | 0.5" |
Index | Lone Tree | Colorado | National |
Air quality index | 58 | 38 | 50 |
Pollution index | 10,406,900 | 2,034,619 | 5,066,862 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 91 |
Days with moderate air quality | 252 |
Days w/ poor A.Q. for sensitive groups | 20 |
Days with unhealthy air quality | 2 |
Pollutant | Total |
Arsenic | 0.080% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.010% |
Lead | 0.250% |
Mercury | 0.100% |
City, State | Population | Air Quality Index | National Avg. |
Greenwood Village, CO | 15,208 | 58 | 16% |
Aurora, CO | 351,131 | 58 | 16% |
Elizabeth, CO | 1,174 | 58 | 16% |
Roxborough Park, CO | 9,657 | 58 | 16% |
Glendale, CO | 4,905 | 58 | 16% |
Lone Tree, CO | 12,808 | 58 | 16% |
City, State | Population | Air Quality Index | National Avg. |
Lakeside, VA | 12,806 | 44 | 12% |
Sugarland Run, VA | 12,805 | 47 | 6% |
Prairie Ridge, WA | 12,814 | 45 | 10% |
Athens, TX | 12,796 | 36 | 28% |
Port Neches, TX | 12,794 | 45 | 10% |
Lone Tree, CO | 12,808 | 58 | 16% |