Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 44°F | 58°F | 51°F | 3.2" |
February | 46°F | 62°F | 53°F | 3.4" |
March | 47°F | 64°F | 54°F | 2.7" |
April | 49°F | 67°F | 56°F | 1.7" |
May | 51°F | 69°F | 58°F | 0.3" |
June | 54°F | 72°F | 61°F | 0.2" |
July | 56°F | 73°F | 62°F | 0.0" |
August | 56°F | 73°F | 62°F | 0.0" |
September | 56°F | 76°F | 63°F | 0.1" |
October | 54°F | 73°F | 62°F | 1.0" |
November | 49°F | 65°F | 56°F | 1.7" |
December | 44°F | 58°F | 51°F | 4.4" |
Index | Brisbane | California | National |
Air quality index | 40 | 55 | 42 |
Pollution index | 8,232,360 | 10,473,190 | 2,726,193 |
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 | Population | Air Quality Index | National Avg. |
Orinda, CA | 19,461 | 40 | 20.0% |
San Lorenzo, CA | 30,117 | 40 | 20.0% |
Muir Beach, CA | 360 | 40 | 20.0% |
Tamalpais-Homestead Valley, CA | 12,331 | 40 | 20.0% |
Ashland, CA | 23,566 | 40 | 20.0% |
Brisbane, CA | 4,645 | 40 | 20.0% |
City | Population | Air Quality Index | National Avg. |
Pittsburg, TX | 4,645 | 37 | 26.0% |
Saint-Étienne-des-Grès, QC | 4,645 | n/a | |
Warwick, QC | 4,646 | n/a | |
Saint-Denis-de-Brompton, QC | 4,642 | n/a | |
Woodlands County, AB | 4,642 | n/a | |
Brisbane, CA | 4,645 | 40 | 20.0% |