Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 35°F | 59°F | 46°F | 1.8" |
February | 40°F | 65°F | 52°F | 1.8" |
March | 47°F | 74°F | 60°F | 0.9" |
April | 53°F | 81°F | 66°F | 1.6" |
May | 61°F | 90°F | 76°F | 1.2" |
June | 73°F | 102°F | 88°F | 1.7" |
July | 80°F | 106°F | 93°F | 2.1" |
August | 77°F | 103°F | 90°F | 3.0" |
September | 68°F | 96°F | 82°F | 2.5" |
October | 56°F | 83°F | 68°F | 2.0" |
November | 44°F | 70°F | 56°F | 1.8" |
December | 35°F | 57°F | 45°F | 2.7" |
Index | Clark County | Henderson | Nevada |
Air quality index | 54 | 54 | 38 |
Pollution index | 5,460,430 | 5,460,430 | 2,601,914 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 154 |
Days with moderate air quality | 206 |
Days w/ poor A.Q. for sensitive groups | 5 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.010% |
Lead | 0.040% |
Mercury | 0.001% |
City | Population | Air Quality Index | National Avg. |
Boulder City, NV | 16,048 | 54 | 8.0% |
North Las Vegas, NV | 247,248 | 54 | 8.0% |
Whitney, NV | 44,488 | 54 | 8.0% |
Enterprise, NV | 214,591 | 54 | 8.0% |
Paradise, NV | 193,150 | 54 | 8.0% |
Henderson, NV | 309,955 | 54 | 8.0% |
City | Population | Air Quality Index | National Avg. |
Stockton, CA | 311,103 | 45 | 10.0% |
St. Paul, MN | 305,877 | 46 | 8.0% |
St. Louis, MO | 304,709 | 54 | 8.0% |
Cincinnati, OH | 302,687 | 54 | 8.0% |
Pittsburgh, PA | 301,286 | 56 | 12.0% |
Henderson, NV | 309,955 | 54 | 8.0% |