Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 20°F | 41°F | 30°F | 1.2" |
February | 24°F | 47°F | 35°F | 1.2" |
March | 28°F | 53°F | 39°F | 1.2" |
April | 29°F | 59°F | 43°F | 0.9" |
May | 36°F | 68°F | 52°F | 1.0" |
June | 42°F | 77°F | 60°F | 0.7" |
July | 49°F | 87°F | 69°F | 0.3" |
August | 46°F | 86°F | 66°F | 0.3" |
September | 39°F | 79°F | 58°F | 0.2" |
October | 32°F | 64°F | 47°F | 0.9" |
November | 27°F | 50°F | 37°F | 1.3" |
December | 20°F | 40°F | 29°F | 1.9" |
Index | Klamath Falls | Oregon | National |
Air quality index | 29 | 32 | 42 |
Pollution index | 3,300,250 | 7,156,356 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 261 |
Days with moderate air quality | 98 |
Days w/ poor A.Q. for sensitive groups | 6 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.060% |
Carbon Tetrachloride | 0.000% |
Lead | 0.020% |
Mercury | 0.005% |
City | Population | Air Quality Index | National Avg. |
Merrill, OR | 697 | 29 | 42.0% |
Altamont, OR | 18,982 | 29 | 42.0% |
Klamath Falls, OR | 21,509 | 29 | 42.0% |
City | Population | Air Quality Index | National Avg. |
Biddeford, ME | 21,502 | 40 | 20.0% |
Anniston, AL | 21,518 | 38 | 24.0% |
Darien, CT | 21,519 | 43 | 14.0% |
Ramona, CA | 21,493 | 64 | 28.0% |
Varennes, QC | 21,490 | n/a | |
Klamath Falls, OR | 21,509 | 29 | 42.0% |