The Air District has announced the appointment of prominent environmental justice leader Arsenio Mataka as deputy executive officer for Equity & Community Programs at the agency's Community, Health and Environmental Justice Committee meeting.
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Learn about San Francisco County - its climate, potential air pollution concerns, and current air quality. You can also view upcoming Air District events in San Francisco County and read about local efforts to improve air quality.
The Air District has announced the appointment of prominent environmental justice leader Arsenio Mataka as deputy executive officer for Equity & Community Programs at the agency's Community, Health and Environmental Justice Committee meeting.
The Air District is announcing that its independent Hearing Board has ordered Martin Marietta to get a permit for the company’s sand distribution plant located at Pier 92 in Bayview Hunters Point, San Francisco. The Hearing Board has also imposed restrictions on the plant’s operations to reduce emissions and protect public health.
The Air District has fined the City of Berkeley $130,000 for air quality violations that occurred at its landfill site at Cesar Chavez Park in Berkeley from 2019 - 2022.
The Air District’s Clean Heating Efficiently with Electric Technology, or Clean HEET, Program will begin accepting applications for grants that can help to offset the cost of switching from a wood-burning stove or fireplace insert to an electric heat pump. The program is designed to improve air quality in communities by replacing polluting wood-burning heating devices with cleaner heating options.
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San Francisco County rests at the northern end of the San Francisco Peninsula, bounded by San Mateo County in the south, the Pacific Ocean to the west, San Francisco Bay to the east, and the Golden Gate Bridge to the north. Three San Francisco County representatives sit on the Air District’s Board of Directors.
Because most of San Francisco's landscape is below 200 feet, the marine layer flows across most of the city, creating a cool and windy climate. The southeastern portion of the county, however, tends to be warmer and sunnier, with fewer foggy days. In the winter, average daily temperatures are mild overnight and moderate during the day, while summertime temperatures tend to remain moderate throughout the season. The highest wind speeds are focused along the western coast and generally mild throughout the county. Rainfall averages about 20 inches per year, with the highest amounts reported on the western coast.
San Francisco County's climate is also affected by regional Bay Area climate influences.
Interactive Air Monitoring Stations Map
Ozone and fine particle pollution, or PM2.5, are the major regional air pollutants of concern in the San Francisco Bay Area. Ozone is primarily a problem in the summer, and fine particle pollution in the winter.
In San Francisco, ozone almost never exceeds health standards and PM2.5 only exceeds the national standard once or twice each year, generally. Being surrounded by water on three sides keeps temperatures within a narrow range, whereby winter low temperatures rarely reach freezing and summer high temperatures stay well below levels where ozone would form and become unhealthy.
Last Updated: 4/21/2017