Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 21°F | 45°F | 31°F | 1.8" |
February | 22°F | 46°F | 32°F | 2.0" |
March | 30°F | 58°F | 42°F | 2.1" |
April | 35°F | 63°F | 47°F | 4.0" |
May | 44°F | 70°F | 55°F | 5.2" |
June | 54°F | 84°F | 68°F | 4.6" |
July | 60°F | 89°F | 73°F | 5.7" |
August | 59°F | 87°F | 71°F | 4.5" |
September | 51°F | 79°F | 63°F | 5.7" |
October | 39°F | 67°F | 51°F | 4.1" |
November | 29°F | 56°F | 41°F | 2.2" |
December | 19°F | 44°F | 30°F | 2.9" |
Index | Commerce City | Colorado | National |
Air quality index | 58 | 38 | 42 |
Pollution index | 2,055,330 | 2,068,342 | 2,726,193 |
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 | 0.210% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.005% |
Lead | 0.030% |
Mercury | 0.070% |
City | Population | Air Quality Index | National Avg. |
Louisville, CO | 19,342 | 47 | 6.0% |
Broomfield, CO | 69,444 | 47 | 6.0% |
Lafayette, CO | 27,952 | 47 | 6.0% |
Paragon Estates, CO | 785 | 47 | 6.0% |
Superior, CO | 13,292 | 47 | 6.0% |
Commerce City, CO | 55,891 | 58 | 16.0% |
City | Population | Air Quality Index | National Avg. |
Diamond Bar, CA | 55,870 | 89 | 78.0% |
New Brunswick, NJ | 55,992 | 41 | 18.0% |
Pocatello, ID | 56,016 | 27 | 46.0% |
Tamiami, FL | 55,757 | 41 | 18.0% |
Kendale Lakes, FL | 55,732 | 41 | 18.0% |
Commerce City, CO | 55,891 | 58 | 16.0% |