Daylight through the yearLongest day (Jun 21): 14 h 25 min5:40 am – 8:05 pmShortest day (Dec 21): 9 h 54 min6:52 am – 4:46 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Very HighOrange County, CA, compared with all US countiesHigher-risk hazardsEarthquake Very HighRiver flooding Very HighWildfire Relatively HighLandslide Relatively HighSource: FEMA National Risk Index (county level)
Air quality38% of days had good air in 2025138 of 365 days measured214 moderate, 11 unhealthy for sensitive groups, 2 unhealthy daysMedian index 53, worst day 159main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Orange County monitors, CA
Drinking waterCity of Anaheimserves 348,593 people from surface waterNo health-based violations since 20213 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
