Daylight through the yearLongest day (Jun 21): 15 h 4 min5:50 am – 8:54 pmShortest day (Dec 21): 9 h 17 min7:40 am – 4:57 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Relatively HighAllegheny County, PA, compared with all US countiesHigher-risk hazardsRiver flooding Very HighCold wave Very HighIce storm Very HighStrong wind Relatively HighSource: FEMA National Risk Index (county level)
Air quality46% of days had good air in 2025168 of 365 days measured193 moderate, 4 unhealthy for sensitive groups daysMedian index 52, worst day 129main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Allegheny County monitors, PA
Drinking waterPittsburgh Water & Sewer Authserves 520,000 people from surface waterNo health-based violations since 202132 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
