Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 41°F | 68°F | 53°F | 3.9" |
February | 43°F | 67°F | 54°F | 2.6" |
March | 45°F | 69°F | 55°F | 2.2" |
April | 47°F | 71°F | 57°F | 1.4" |
May | 49°F | 73°F | 59°F | 0.3" |
June | 52°F | 77°F | 62°F | 0.1" |
July | 55°F | 79°F | 64°F | 0.1" |
August | 56°F | 80°F | 64°F | 0.0" |
September | 55°F | 82°F | 65°F | 0.0" |
October | 52°F | 80°F | 63°F | 0.9" |
November | 46°F | 73°F | 57°F | 1.1" |
December | 41°F | 66°F | 52°F | 3.1" |
Index | San Luis Obispo | California | National |
Air quality index | 46 | 55 | 42 |
Pollution index | 5,611,110 | 10,473,190 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 230 |
Days with moderate air quality | 132 |
Days w/ poor A.Q. for sensitive groups | 3 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.020% |
Benzene | 0.060% |
Carbon Tetrachloride | 0.000% |
Lead | 0.060% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
Arroyo Grande, CA | 17,924 | 46 | 8.0% |
Cayucos, CA | 2,228 | 46 | 8.0% |
Garden Farms, CA | 418 | 46 | 8.0% |
Oceano, CA | 7,601 | 46 | 8.0% |
Avila Beach, CA | 1,455 | 46 | 8.0% |
San Luis Obispo, CA | 47,402 | 46 | 8.0% |
City | Population | Air Quality Index | National Avg. |
Ocoee, FL | 47,433 | 39 | 22.0% |
East Providence, RI | 47,442 | 44 | 12.0% |
Beavercreek, OH | 47,343 | 47 | 6.0% |
Charleston, WV | 47,273 | 40 | 20.0% |
Woodstock, ON | 47,584 | n/a | |
San Luis Obispo, CA | 47,402 | 46 | 8.0% |