| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | n/a°F | n/a°F | n/a°F | n/a |
| February | n/a°F | n/a°F | n/a°F | n/a |
| March | n/a°F | n/a°F | n/a°F | n/a |
| April | n/a°F | n/a°F | n/a°F | n/a |
| May | n/a°F | n/a°F | n/a°F | n/a |
| June | n/a°F | n/a°F | n/a°F | n/a |
| July | n/a°F | n/a°F | n/a°F | n/a |
| August | n/a°F | n/a°F | n/a°F | n/a |
| September | n/a°F | n/a°F | n/a°F | n/a |
| October | n/a°F | n/a°F | n/a°F | n/a |
| November | n/a°F | n/a°F | n/a°F | n/a |
| December | n/a°F | n/a°F | n/a°F | n/a |
| Index | Richmond | British Columbia | National |
| Air quality index | n/a | n/a | 42 |
| Pollution index | n/a | n/a | 2,726,193 |
| Measurement | Total |
| Days measured | |
| Days with good air quality | |
| Days with moderate air quality | |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | n/a% |
| Benzene | n/a% |
| Carbon Tetrachloride | n/a% |
| Lead | n/a% |
| Mercury | n/a% |
| City | Population | Air Quality Index | National Avg. |
| Point Roberts, WA | 1,100 | 34 | 32.0% |
| City | Population | Air Quality Index | National Avg. |
| Baton Rouge, LA | 222,191 | 45 | 10.0% |
| Spokane, WA | 219,185 | 43 | 14.0% |
| Spring Valley, NV | 218,697 | 54 | 8.0% |
| Boise, ID | 228,057 | 36 | 28.0% |
| San Bernardino, CA | 216,784 | 89 | 78.0% |
| Richmond, BC | 222,489 | n/a |