Daylight through the yearLongest day (Jun 21): 15 h 42 min5:35 am – 9:17 pmShortest day (Dec 21): 8 h 41 min8:02 am – 4:43 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Relatively ModerateGallatin County, MT, compared with all US countiesHigher-risk hazardsWinter weather Very HighAvalanche Very HighCold wave Relatively HighLightning Relatively HighSource: FEMA National Risk Index (county level)
Air quality98% of days had good air in 2025358 of 365 days measured7 moderate daysMedian index 11, worst day 70main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Gallatin County monitors, MT
Drinking waterCity of Bozemanserves 56,000 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
