Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 18°F | 47°F | 31°F | 0.4" |
February | 18°F | 49°F | 32°F | 0.4" |
March | 27°F | 60°F | 42°F | 0.6" |
April | 32°F | 66°F | 48°F | 1.8" |
May | 41°F | 73°F | 56°F | 2.2" |
June | 52°F | 87°F | 69°F | 1.8" |
July | 59°F | 93°F | 75°F | 1.7" |
August | 57°F | 90°F | 72°F | 1.7" |
September | 49°F | 83°F | 65°F | 1.4" |
October | 37°F | 70°F | 51°F | 1.4" |
November | 26°F | 60°F | 41°F | 0.6" |
December | 16°F | 46°F | 29°F | 0.6" |
Index | Northglenn | Colorado | National |
Air quality index | 58 | 38 | 42 |
Pollution index | 1,396,420 | 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 | 0.001% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.004% |
Lead | 0.010% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Aristocrat Ranchettes, CO | 2,080 | 45 | 10.0% |
Niwot, CO | 4,085 | 47 | 6.0% |
Firestone, CO | 13,165 | 47 | 6.0% |
Boulder, CO | 108,777 | 47 | 6.0% |
Leyner, CO | 0 | 47 | 6.0% |
Northglenn, CO | 39,201 | 58 | 16.0% |
City | Population | Air Quality Index | National Avg. |
Germantown, TN | 39,196 | 45 | 10.0% |
Port Moody, BC | 39,217 | n/a | |
Roy, UT | 39,243 | 45 | 10.0% |
South Valley, NM | 39,150 | 53 | 6.0% |
Milton, GA | 39,252 | 52 | 4.0% |
Northglenn, CO | 39,201 | 58 | 16.0% |