Daylight through the yearLongest day (Jun 21): 15 h 2 min6:02 am – 9:04 pmShortest day (Dec 21): 9 h 19 min7:50 am – 5:09 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Relatively HighFranklin County, OH, compared with all US countiesHigher-risk hazardsCold wave Very HighHeat wave Relatively HighRiver flooding Relatively HighHail Relatively HighSource: FEMA National Risk Index (county level)
Air quality40% of days had good air in 2025147 of 365 days measured213 moderate, 4 unhealthy for sensitive groups, 1 unhealthy daysMedian index 53, worst day 156main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Franklin County monitors, OH
Drinking waterColumbus Public Water Systemserves 1,305,946 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
