Daylight through the yearLongest day (Jun 21): 14 h 27 min5:43 am – 8:10 pmShortest day (Dec 21): 9 h 52 min6:57 am – 4:49 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Relatively HighVentura County, CA, compared with all US countiesHigher-risk hazardsRiver flooding Very HighWildfire Relatively HighEarthquake Relatively HighLandslide Relatively HighSource: FEMA National Risk Index (county level)
Air quality52% of days had good air in 2025190 of 365 days measured167 moderate, 8 unhealthy for sensitive groups daysMedian index 50, worst day 131main pollutant: ozoneSource: US EPA Air Quality Index, Ventura County monitors, CA
Drinking waterVentura WWD No. 8 - Simi Valleyserves 94,738 people from surface water purchasedNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
