Daylight through the yearLongest day (Jun 21): 14 h 38 min5:24 am – 8:02 pmShortest day (Dec 21): 9 h 41 min6:48 am – 4:30 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Very HighClark County, NV, compared with all US countiesHigher-risk hazardsHeat wave Very HighRiver flooding Very HighWildfire Relatively HighEarthquake Relatively HighSource: FEMA National Risk Index (county level)
Air quality31% of days had good air in 2025113 of 365 days measured226 moderate, 26 unhealthy for sensitive groups daysMedian index 61, worst day 138main pollutant: ozoneSource: US EPA Air Quality Index, Clark County monitors, NV
Drinking waterLas Vegas Valley Water Districtserves 1,539,277 people from surface water purchasedNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
