Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 33°F | 49°F | 40°F | 4.9" |
February | 34°F | 53°F | 43°F | 4.3" |
March | 37°F | 58°F | 47°F | 5.0" |
April | 38°F | 63°F | 50°F | 2.6" |
May | 43°F | 70°F | 56°F | 2.2" |
June | 47°F | 76°F | 61°F | 1.2" |
July | 51°F | 86°F | 68°F | 0.4" |
August | 51°F | 87°F | 68°F | 0.3" |
September | 47°F | 80°F | 62°F | 1.2" |
October | 42°F | 66°F | 53°F | 3.6" |
November | 37°F | 55°F | 45°F | 6.0" |
December | 32°F | 48°F | 39°F | 6.7" |
Index | Harrisburg | Oregon | National |
Air quality index | 38 | 32 | 42 |
Pollution index | 3,182,180 | 7,156,356 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 254 |
Days with moderate air quality | 103 |
Days w/ poor A.Q. for sensitive groups | 8 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.040% |
Carbon Tetrachloride | 0.030% |
Lead | 0.190% |
Mercury | 0.110% |
City | Population | Air Quality Index | National Avg. |
Alpine, OR | 215 | 17 | 66.0% |
Peoria, OR | 216 | 17 | 66.0% |
Bellfountain, OR | 8 | 17 | 66.0% |
Halsey, OR | 1,139 | 17 | 66.0% |
Shedd, OR | 290 | 17 | 66.0% |
Harrisburg, OR | 3,852 | 38 | 24.0% |
City | Population | Air Quality Index | National Avg. |
Lake Park, NC | 3,851 | 49 | 2.0% |
Grape Creek, TX | 3,851 | 28 | 44.0% |
Dumas, AR | 3,850 | 43 | 14.0% |
Harbour Heights, FL | 3,850 | 36 | 28.0% |
Morrison, IL | 3,850 | 42 | 16.0% |
Harrisburg, OR | 3,852 | 38 | 24.0% |