Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 15°F | 32°F | 23°F | 1.5" |
February | 16°F | 34°F | 24°F | 1.4" |
March | 29°F | 49°F | 38°F | 2.3" |
April | 39°F | 62°F | 50°F | 3.9" |
May | 49°F | 73°F | 61°F | 4.3" |
June | 59°F | 82°F | 70°F | 4.5" |
July | 62°F | 84°F | 73°F | 4.3" |
August | 60°F | 82°F | 71°F | 4.3" |
September | 53°F | 77°F | 64°F | 2.9" |
October | 42°F | 64°F | 52°F | 3.6" |
November | 30°F | 50°F | 40°F | 2.1" |
December | 20°F | 36°F | 28°F | 2.2" |
Index | Hinckley | Illinois | National |
Air quality index | 0 | 41 | 50 |
Pollution index | 1,874,490 | 3,347,295 | 5,066,862 |
Measurement | Total |
Days measured | 335 |
Days with good air quality | 334 |
Days with moderate air quality | 1 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.002% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.010% |
Lead | 0.010% |
Mercury | 0.010% |
City, State | Population | Air Quality Index | National Avg. |
Leland, IL | 844 | 0 | 100% |
Montgomery, IL | 19,055 | 0 | 100% |
Big Rock, IL | 1,139 | 0 | 100% |
Somonauk, IL | 2,106 | 0 | 100% |
Millbrook, IL | 341 | 0 | 100% |
Hinckley, IL | 2,053 | 0 | 100% |
City, State | Population | Air Quality Index | National Avg. |
Pawling, NY | 2,053 | 36 | 28% |
Galesburg, MI | 2,053 | 38 | 24% |
St. Paul, MO | 2,053 | 54 | 8% |
Moscow, PA | 2,052 | 38 | 24% |
Slayton, MN | 2,054 | 32 | 36% |
Hinckley, IL | 2,053 | 0 | 100% |