Daylight through the yearLongest day (Jun 21): 14 h 57 min5:39 am – 8:36 pmShortest day (Dec 21): 9 h 23 min7:22 am – 4:46 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Relatively HighBaltimore City, MD, compared with all US countiesHigher-risk hazardsWinter weather Very HighHeat wave Relatively HighCold wave Relatively HighStrong wind Relatively HighSource: FEMA National Risk Index (county level)
Air quality68% of days had good air in 2025248 of 364 days measured114 moderate, 2 unhealthy for sensitive groups daysMedian index 43, worst day 136main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Baltimore (City) County monitors, MD
Drinking waterCity of Baltimoreserves 1,600,000 people from surface water2 health-based violations since 2021latest Jan 2026: trihalomethanes (TTHM), maximum contaminant level7 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county