Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 18°F | 34°F | 25°F | 3.2" |
February | 19°F | 36°F | 27°F | 3.2" |
March | 32°F | 51°F | 41°F | 5.1" |
April | 42°F | 64°F | 52°F | 6.5" |
May | 53°F | 74°F | 63°F | 7.0" |
June | 62°F | 82°F | 72°F | 7.0" |
July | 65°F | 85°F | 74°F | 7.2" |
August | 64°F | 84°F | 73°F | 8.3" |
September | 57°F | 78°F | 66°F | 7.1" |
October | 45°F | 65°F | 54°F | 6.0" |
November | 34°F | 52°F | 42°F | 4.6" |
December | 23°F | 38°F | 30°F | 3.8" |
Index | Henry | Illinois | National |
Air quality index | 41 | 41 | 42 |
Pollution index | 339,156 | 3,148,694 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 285 |
Days with moderate air quality | 78 |
Days w/ poor A.Q. for sensitive groups | 2 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.000% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Magnolia, IL | 263 | 0 | 100.0% |
Bureau Junction, IL | 220 | 0 | 100.0% |
Mark, IL | 534 | 0 | 100.0% |
Cedar Point, IL | 212 | 0 | 100.0% |
De Pue, IL | 1,724 | 0 | 100.0% |
Henry, IL | 2,352 | 41 | 18.0% |
City | Population | Air Quality Index | National Avg. |
Mayodan, NC | 2,352 | 43 | 14.0% |
Woodbine, NJ | 2,352 | 40 | 20.0% |
Croom, MD | 2,353 | 47 | 6.0% |
Flora, MS | 2,353 | 44 | 12.0% |
Collierville, CA | 2,354 | 45 | 10.0% |
Henry, IL | 2,352 | 41 | 18.0% |