Daylight through the yearLongest day (Jun 21): 14 h 38 min6:02 am – 8:39 pmShortest day (Dec 21): 9 h 42 min7:26 am – 5:08 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Relatively ModerateGuilford County, NC, compared with all US countiesHigher-risk hazardsIce storm Very HighRiver flooding Relatively HighWinter weather Relatively HighLightning Relatively HighSource: FEMA National Risk Index (county level)
Air quality75% of days had good air in 2025274 of 365 days measured91 moderate daysMedian index 41, worst day 77main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Guilford County monitors, NC
Drinking waterCity of Greensboroserves 319,588 people from surface waterNo health-based violations since 20212 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
