Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 41°F | 61°F | 50°F | 2.5" |
February | 44°F | 64°F | 53°F | 2.5" |
March | 46°F | 68°F | 56°F | 2.1" |
April | 48°F | 71°F | 58°F | 1.3" |
May | 52°F | 75°F | 62°F | 0.3" |
June | 56°F | 80°F | 66°F | 0.2" |
July | 58°F | 82°F | 68°F | 0.0" |
August | 58°F | 82°F | 68°F | 0.0" |
September | 57°F | 82°F | 67°F | 0.1" |
October | 53°F | 77°F | 63°F | 0.6" |
November | 46°F | 68°F | 56°F | 1.3" |
December | 41°F | 61°F | 50°F | 2.4" |
Index | Willow Glen | San Jose | California |
Air quality index | 43 | 43 | 55 |
Pollution index | 23,499,800 | 23,499,800 | 10,473,190 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 263 |
Days with moderate air quality | 98 |
Days w/ poor A.Q. for sensitive groups | 4 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.120% |
Benzene | 0.170% |
Carbon Tetrachloride | 0.001% |
Lead | 0.220% |
Mercury | 0.140% |
City | Population | Air Quality Index | National Avg. |
Brookdale, CA | 1,293 | 35 | 30.0% |
Lexington Hills, CA | 2,656 | 35 | 30.0% |
Lompico, CA | 881 | 35 | 30.0% |
Zayante, CA | 765 | 35 | 30.0% |
Boulder Creek, CA | 5,305 | 35 | 30.0% |
San Jose, CA | 1,029,409 | 43 | 14.0% |
City | Population | Air Quality Index | National Avg. |
Edmonton, AB | 1,053,392 | n/a | |
Ottawa, ON | 1,058,126 | n/a | |
Austin, TX | 965,872 | 44 | 12.0% |
Jacksonville, FL | 902,488 | 43 | 14.0% |
Fort Worth, TX | 892,221 | 51 | 2.0% |
San Jose, CA | 1,029,409 | 43 | 14.0% |