Daylight through the yearLongest day (Jun 21): 14 h 18 min6:21 am – 8:39 pmShortest day (Dec 21): 10 h 0 min7:26 am – 5:26 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Relatively HighTarrant County, TX, compared with all US countiesHigher-risk hazardsHail Very HighTornado Very HighIce storm Very HighWinter weather Very HighSource: FEMA National Risk Index (county level)
Air quality32% of days had good air in 2025116 of 365 days measured219 moderate, 28 unhealthy for sensitive groups, 2 unhealthy daysMedian index 56, worst day 162main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Tarrant County monitors, TX
Drinking waterCity of Arlingtonserves 413,955 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
