Daylight through the yearLongest day (Jun 21): 15 h 14 min5:08 am – 8:22 pmShortest day (Dec 21): 9 h 8 min7:07 am – 4:15 pm
Sun todaySunrise –Sunset –
Natural hazardsOverall risk Relatively ModeratePlymouth County, MA, compared with all US countiesHigher-risk hazardsCoastal flooding Very HighStrong wind Relatively HighLightning Relatively HighIce storm Relatively HighSource: FEMA National Risk Index (county level)
Air quality84% of days had good air in 2025308 of 365 days measured56 moderate, 1 unhealthy for sensitive groups daysMedian index 37, worst day 108main pollutant: ozoneSource: US EPA Air Quality Index, Plymouth County monitors, MA
Drinking waterBrockton Water Departmentserves 105,788 people from surface waterNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
