Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 38°F | 58°F | 46°F | 4.2" |
February | 40°F | 64°F | 51°F | 3.7" |
March | 44°F | 71°F | 56°F | 3.5" |
April | 48°F | 76°F | 61°F | 4.2" |
May | 54°F | 86°F | 69°F | 1.1" |
June | 60°F | 94°F | 77°F | 3.0" |
July | 65°F | 98°F | 81°F | 0.5" |
August | 63°F | 97°F | 79°F | 0.2" |
September | 58°F | 93°F | 74°F | 2.3" |
October | 50°F | 81°F | 64°F | 4.6" |
November | 42°F | 68°F | 53°F | 3.1" |
December | 36°F | 58°F | 45°F | 5.6" |
Index | London | California | National |
Air quality index | 66 | 55 | 42 |
Pollution index | 21,828,100 | 10,473,190 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 127 |
Days with moderate air quality | 157 |
Days w/ poor A.Q. for sensitive groups | 78 |
Days with unhealthy air quality | 2 |
Pollutant | Total |
Arsenic | 0.160% |
Benzene | 0.440% |
Carbon Tetrachloride | 0.000% |
Lead | 0.100% |
Mercury | 0.200% |
City | Population | Air Quality Index | National Avg. |
Home Garden, CA | 1,590 | 56 | 12.0% |
Selma, CA | 24,405 | 56 | 12.0% |
Grangeville, CA | 324 | 56 | 12.0% |
Laton, CA | 1,967 | 56 | 12.0% |
Armona, CA | 4,437 | 56 | 12.0% |
London, CA | 1,534 | 66 | 32.0% |
City | Population | Air Quality Index | National Avg. |
Alton, IA | 1,534 | 35 | 30.0% |
Wolcott, NY | 1,534 | 37 | 26.0% |
Falling Water, TN | 1,534 | 46 | 8.0% |
Hughes Springs, TX | 1,534 | 37 | 26.0% |
Upper Island Cove, NL | 1,534 | n/a | |
London, CA | 1,534 | 66 | 32.0% |