Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 42°F | 61°F | 50°F | 2.4" |
February | 45°F | 63°F | 53°F | 2.4" |
March | 47°F | 67°F | 56°F | 2.0" |
April | 49°F | 70°F | 58°F | 1.3" |
May | 53°F | 73°F | 61°F | 0.3" |
June | 56°F | 77°F | 65°F | 0.2" |
July | 59°F | 78°F | 67°F | 0.0" |
August | 59°F | 78°F | 66°F | 0.0" |
September | 57°F | 80°F | 67°F | 0.1" |
October | 53°F | 75°F | 63°F | 0.7" |
November | 47°F | 67°F | 56°F | 1.3" |
December | 42°F | 60°F | 51°F | 2.6" |
Index | Newark | California | National |
Air quality index | 43 | 55 | 42 |
Pollution index | 23,499,800 | 10,473,190 | 2,726,193 |
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. |
Ashland, CA | 23,566 | 40 | 20.0% |
Castro Valley, CA | 64,392 | 40 | 20.0% |
San Leandro, CA | 90,489 | 40 | 20.0% |
San Lorenzo, CA | 30,117 | 40 | 20.0% |
Dublin, CA | 63,856 | 43 | 14.0% |
Newark, CA | 48,148 | 43 | 14.0% |
City | Population | Air Quality Index | National Avg. |
Lincoln, CA | 48,150 | 52 | 4.0% |
Wauwatosa, WI | 48,143 | 44 | 12.0% |
Sheboygan, WI | 48,153 | 38 | 24.0% |
Victoriaville, QC | 48,167 | n/a | |
La Mirada, CA | 48,260 | 72 | 44.0% |
Newark, CA | 48,148 | 43 | 14.0% |