Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 31°F | 52°F | 41°F | 2.5" |
February | 33°F | 55°F | 43°F | 2.4" |
March | 41°F | 65°F | 52°F | 3.8" |
April | 49°F | 74°F | 61°F | 3.8" |
May | 57°F | 80°F | 68°F | 4.2" |
June | 65°F | 88°F | 76°F | 5.1" |
July | 69°F | 90°F | 78°F | 4.3" |
August | 69°F | 90°F | 78°F | 3.3" |
September | 62°F | 83°F | 72°F | 4.6" |
October | 50°F | 74°F | 61°F | 3.5" |
November | 39°F | 63°F | 50°F | 2.8" |
December | 36°F | 57°F | 45°F | 4.0" |
Index | Chapel Hill | North Carolina | National |
Air quality index | 44 | 35 | 42 |
Pollution index | 4,980,580 | 2,789,538 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 275 |
Days with moderate air quality | 90 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.004% |
Benzene | 0.060% |
Carbon Tetrachloride | 0.010% |
Lead | 0.001% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
Pittsboro, NC | 4,221 | 29 | 42.0% |
Mebane, NC | 15,564 | 31 | 38.0% |
Woodlawn, NC | 843 | 31 | 38.0% |
Morrisville, NC | 27,582 | 44 | 12.0% |
Fearrington Village, NC | 2,692 | 44 | 12.0% |
Chapel Hill, NC | 61,912 | 44 | 12.0% |
City | Population | Air Quality Index | National Avg. |
Palm Harbor, FL | 61,787 | 43 | 14.0% |
Moore, OK | 61,683 | 48 | 4.0% |
Hamilton, OH | 62,162 | 54 | 8.0% |
Grand Junction, CO | 62,218 | 44 | 12.0% |
Burnsville, MN | 61,536 | 46 | 8.0% |
Chapel Hill, NC | 61,912 | 44 | 12.0% |