Daylight through the yearLongest day (Jun 21): 15 h 14 min5:17 am – 8:31 pmShortest day (Dec 21): 9 h 8 min7:16 am – 4:24 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Relatively HighDuPage County, IL, compared with all US countiesHigher-risk hazardsCold wave Very HighTornado Very HighStrong wind Very HighRiver flooding Relatively HighSource: FEMA National Risk Index (county level)
Air quality64% of days had good air in 2025233 of 365 days measured126 moderate, 5 unhealthy for sensitive groups, 1 unhealthy daysMedian index 42, worst day 158main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, DuPage County monitors, IL
Drinking waterCarol Streamserves 39,854 people from surface water purchasedNo health-based violations since 20214 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town