Daylight through the yearLongest day (Jun 21): 14 h 54 min5:43 am – 8:37 pmShortest day (Dec 21): 9 h 26 min7:24 am – 4:50 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Very LowFairfax City, VA, compared with all US countiesHighest-rated hazardsHurricane Relatively LowHeat wave Relatively LowSource: FEMA National Risk Index (county level)
Air quality78% of days had good air in 2025284 of 365 days measured80 moderate, 1 unhealthy for sensitive groups daysMedian index 42, worst day 124main pollutant: ozoneSource: US EPA Air Quality Index, Fairfax County monitors, VA
Drinking waterPines Mobile Estatesserves 60 people from ground waterNo health-based violations since 20213 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
