Daylight through the yearLongest day (Jun 21): 14 h 59 min6:08 am – 9:08 pmShortest day (Dec 21): 9 h 21 min7:54 am – 5:15 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Relatively ModerateMontgomery County, OH, compared with all US countiesHigher-risk hazardsIce storm Very HighStrong wind Relatively HighHail Relatively HighRiver flooding Relatively HighSource: FEMA National Risk Index (county level)
Air quality60% of days had good air in 2025220 of 365 days measured141 moderate, 4 unhealthy for sensitive groups daysMedian index 46, worst day 129main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Montgomery County monitors, OH
Drinking waterDayton Public Water Systemserves 141,407 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
