Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 41°F | 59°F | 50°F | 2.8" |
February | 45°F | 62°F | 53°F | 3.1" |
March | 47°F | 65°F | 55°F | 2.9" |
April | 49°F | 67°F | 57°F | 1.8" |
May | 52°F | 69°F | 59°F | 0.4" |
June | 54°F | 72°F | 62°F | 0.3" |
July | 56°F | 73°F | 63°F | 0.0" |
August | 57°F | 73°F | 63°F | 0.0" |
September | 55°F | 76°F | 64°F | 0.1" |
October | 52°F | 73°F | 61°F | 1.0" |
November | 47°F | 65°F | 56°F | 1.9" |
December | 42°F | 59°F | 50°F | 4.1" |
Index | Mill Valley | California | National |
Air quality index | 40 | 55 | 50 |
Pollution index | 8,232,360 | 18,106,726 | 5,066,862 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 290 |
Days with moderate air quality | 74 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.060% |
Carbon Tetrachloride | 0.000% |
Lead | 0.010% |
Mercury | 0.010% |
City, State | Population | Air Quality Index | National Avg. |
Point Reyes Station, CA | 574 | 34 | 32% |
Berkeley, CA | 118,585 | 40 | 20% |
Kensington, CA | 5,602 | 40 | 20% |
Richmond, CA | 108,303 | 40 | 20% |
Fairfax, CA | 7,598 | 40 | 20% |
Mill Valley, CA | 14,318 | 40 | 20% |
City, State | Population | Air Quality Index | National Avg. |
Hobe Sound, FL | 14,318 | 36 | 28% |
Beech Grove, IN | 14,319 | 54 | 8% |
Fairview, NJ | 14,314 | 51 | 2% |
Niceville, FL | 14,325 | 31 | 38% |
Chubbuck, ID | 14,326 | 27 | 46% |
Mill Valley, CA | 14,318 | 40 | 20% |