Daylight through the yearLongest day (Jun 21): 13 h 26 min5:50 am – 7:16 pmShortest day (Dec 21): 10 h 50 min7:04 am – 5:54 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Relatively HighHonolulu County, HI, compared with all US countiesHigher-risk hazardsLightning Very HighRiver flooding Very HighLandslide Relatively HighWildfire Relatively HighSource: FEMA National Risk Index (county level)
Air quality97% of days had good air in 2025355 of 365 days measured10 moderate daysMedian index 29, worst day 59main pollutant: ozoneSource: US EPA Air Quality Index, Honolulu County monitors, HI
Drinking waterHnl-windward-pearl Harborserves 631,389 people from ground waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town