Daylight through the yearLongest day (Jun 21): 15 h 12 min5:39 am – 8:51 pmShortest day (Dec 21): 9 h 10 min7:37 am – 4:47 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Relatively ModeratePolk County, IA, compared with all US countiesHigher-risk hazardsStrong wind Very HighTornado Relatively HighHail Relatively HighHeat wave Relatively HighSource: FEMA National Risk Index (county level)
Air quality61% of days had good air in 2025224 of 365 days measured139 moderate, 2 unhealthy for sensitive groups daysMedian index 44, worst day 136main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Polk County monitors, IA
Drinking waterDes Moines Water Worksserves 246,055 people from surface water purchasedNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
