Daylight through the yearLongest day (Jun 21): 14 h 26 min5:41 am – 8:07 pmShortest day (Dec 21): 9 h 53 min6:54 am – 4:47 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Very HighLos Angeles County, CA, compared with all US countiesHigher-risk hazardsEarthquake Very HighRiver flooding Very HighWildfire Very HighLightning Very HighSource: FEMA National Risk Index (county level)
Air quality11% of days had good air in 202539 of 365 days measured228 moderate, 66 unhealthy for sensitive groups, 32 unhealthy daysMedian index 74, worst day 201main pollutant: ozoneSource: US EPA Air Quality Index, Los Angeles County monitors, CA
Drinking waterPasadena Water and Powerserves 164,344 people from surface water purchasedNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
