Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 7°F | 24°F | 15°F | 1.9" |
February | 8°F | 27°F | 17°F | 2.2" |
March | 23°F | 42°F | 32°F | 2.7" |
April | 35°F | 56°F | 45°F | 4.8" |
May | 46°F | 69°F | 57°F | 5.7" |
June | 56°F | 77°F | 66°F | 7.1" |
July | 60°F | 82°F | 71°F | 6.2" |
August | 58°F | 79°F | 68°F | 8.5" |
September | 51°F | 72°F | 61°F | 6.4" |
October | 39°F | 58°F | 48°F | 6.7" |
November | 27°F | 44°F | 35°F | 4.8" |
December | 13°F | 27°F | 20°F | 3.3" |
Index | Emerald | Wisconsin | National |
Air quality index | 37 | 69 | 42 |
Pollution index | 2,108,790 | 2,842,418 | 2,726,193 |
Measurement | Total |
Days measured | 216 |
Days with good air quality | 203 |
Days with moderate air quality | 13 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.003% |
Benzene | 0.040% |
Carbon Tetrachloride | 0.000% |
Lead | 0.001% |
Mercury | 0.003% |
City | Population | Air Quality Index | National Avg. |
Prairie Farm, WI | 491 | 34 | 32.0% |
Glenwood City, WI | 1,112 | 34 | 32.0% |
Clear Lake, WI | 1,105 | 34 | 32.0% |
Knapp, WI | 641 | 34 | 32.0% |
Boyceville, WI | 1,168 | 34 | 32.0% |
Emerald, WI | 227 | 37 | 26.0% |
City | Population | Air Quality Index | National Avg. |
Morgan Heights, CO | 227 | 45 | 10.0% |
Mallard, IA | 227 | 15 | 70.0% |
Rockport, KY | 227 | 43 | 14.0% |
Calvin, LA | 227 | 30 | 40.0% |
Carney, MI | 227 | 36 | 28.0% |
Emerald, WI | 227 | 37 | 26.0% |