Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 36°F | 46°F | 41°F | 6.8" |
February | 36°F | 50°F | 43°F | 2.9" |
March | 41°F | 56°F | 48°F | 6.1" |
April | 43°F | 58°F | 49°F | 3.5" |
May | 48°F | 66°F | 56°F | 3.5" |
June | 51°F | 69°F | 58°F | 1.9" |
July | 55°F | 77°F | 65°F | 3.2" |
August | 55°F | 77°F | 64°F | 0.9" |
September | 51°F | 69°F | 58°F | 3.3" |
October | 47°F | 59°F | 52°F | 3.5" |
November | 40°F | 49°F | 44°F | 6.5" |
December | 37°F | 45°F | 41°F | 9.0" |
Index | South End | Tacoma | Washington |
Air quality index | 30 | 18 | 36 |
Pollution index | 17,693,800 | 17,693,800 | 4,541,850 |
Measurement | Total |
Days measured | 340 |
Days with good air quality | 338 |
Days with moderate air quality | 2 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.300% |
Carbon Tetrachloride | 0.050% |
Lead | 0.110% |
Mercury | 0.020% |
City | Population | Air Quality Index | National Avg. |
Gig Harbor, WA | 10,280 | 18 | 64.0% |
Key Center, WA | 3,631 | 18 | 64.0% |
Purdy, WA | 1,531 | 18 | 64.0% |
Ruston, WA | 1,329 | 18 | 64.0% |
Dash Point, WA | 1,008 | 18 | 64.0% |
Tacoma, WA | 215,766 | 18 | 64.0% |
City | Population | Air Quality Index | National Avg. |
Des Moines, IA | 215,408 | 39 | 22.0% |
Richmond Hill, ON | 215,407 | n/a | |
San Bernardino, CA | 216,784 | 89 | 78.0% |
Enterprise, NV | 214,591 | 54 | 8.0% |
Modesto, CA | 214,485 | 49 | 2.0% |
Tacoma, WA | 215,766 | 18 | 64.0% |