Daylight through the yearLongest day (Jun 21): 15 h 6 min5:30 am – 8:36 pmShortest day (Dec 21): 9 h 15 min7:22 am – 4:37 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Relatively ModerateLehigh County, PA, compared with all US countiesHigher-risk hazardsCold wave Very HighWinter weather Very HighLightning Relatively HighStrong wind Relatively HighSource: FEMA National Risk Index (county level)
Air quality72% of days had good air in 2025260 of 361 days measured100 moderate, 1 unhealthy for sensitive groups daysMedian index 41, worst day 115main pollutant: ozoneSource: US EPA Air Quality Index, Lehigh County monitors, PA
Drinking waterLca Allentown Divisionserves 118,000 people from surface waterNo health-based violations since 20214 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
