Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 35°F | 48°F | 40°F | 5.6" |
February | 37°F | 52°F | 43°F | 4.0" |
March | 39°F | 57°F | 47°F | 5.4" |
April | 41°F | 62°F | 51°F | 3.2" |
May | 47°F | 70°F | 57°F | 2.6" |
June | 52°F | 76°F | 62°F | 1.4" |
July | 55°F | 85°F | 69°F | 0.4" |
August | 55°F | 85°F | 69°F | 0.4" |
September | 51°F | 79°F | 63°F | 1.7" |
October | 45°F | 65°F | 54°F | 4.3" |
November | 40°F | 54°F | 46°F | 6.4" |
December | 34°F | 47°F | 40°F | 6.1" |
Index | Woodburn | Oregon | National |
Air quality index | 32 | 32 | 42 |
Pollution index | 3,182,180 | 7,156,356 | 2,726,193 |
Measurement | Total |
Days measured | 356 |
Days with good air quality | 302 |
Days with moderate air quality | 54 |
Days w/ poor A.Q. for sensitive groups | 0 |
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. |
Donald, OR | 1,465 | 32 | 36.0% |
Brooks, OR | 621 | 32 | 36.0% |
Keizer, OR | 39,408 | 32 | 36.0% |
Mount Angel, OR | 3,575 | 32 | 36.0% |
Silverton, OR | 10,426 | 32 | 36.0% |
Woodburn, OR | 26,008 | 32 | 36.0% |
City | Population | Air Quality Index | National Avg. |
Medina, OH | 26,026 | 43 | 14.0% |
Barberton, OH | 26,030 | 43 | 14.0% |
Sun City West, AZ | 26,043 | 74 | 48.0% |
Deer Park, NY | 26,043 | 43 | 14.0% |
La Prairie, QC | 25,972 | n/a | |
Woodburn, OR | 26,008 | 32 | 36.0% |