The Air District will host an in-person conversation with Air District Board Chair Davina Hurt on Saturday, December 7, 2024, from 12 noon – 1 PM at the Greenhouse Community Room in the San Lorenzo Public Library. The conversation will focus on community questions and concerns regarding air quality issues and climate change.
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索諾瑪縣 (Sonoma County)
瞭解索諾瑪縣，包括它的氣候、潛在空氣污染問題及目前的空氣品質。您還可以查看索諾瑪縣即將發生的空氣局事件，閱讀瞭解當地為改善空氣品質所做的努力。
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Air District to represent Bay Area at COP29十一月 12, 2024
The Air District is sending representatives to attend the United Nations Climate Change Conference, or COP29, in Baku, Azerbaijan from November 11 through November 22. Air District Board of Directors Chair Davina Hurt and Executive Officer Dr. Philip Fine will hold a virtual press conference on Tuesday, November 19 at 10 AM. Bay Area residents are invited to join the discussion, ask questions and share their concerns by connecting with the Air District on Facebook during the livestream press conference.
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The Air District has released a woodsmoke White Paper for public comment, which provides extensive information on wood burning in the Bay Area, the current state of the regulatory landscape for wood-burning devices, and a discussion of potential recommendations to further minimize woodsmoke emissions and exposures.
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氣候
索諾瑪縣 (Sonoma County) 的氣候很大程度上受到佩塔盧馬 (Petaluma)、科塔蒂 (Cotati) 和索諾瑪峽谷 (Sonoma valleys) 地形的影響。佩塔盧馬和科塔蒂峽谷裡的氣溫接近，而索諾瑪峽谷相對較為溫暖，與納帕谷接近。夏季，夜間溫度適中，白天炎熱；冬季，夜間涼爽，白天氣溫適中。佩塔盧馬和科塔蒂峽谷的風向規律受到佩塔盧馬峽口的強烈影響，聖羅莎和佩塔盧馬以無風到輕風為主。夏季傍晚時分，佩塔盧馬和科塔蒂峽谷常常起霧，並一直持續到次日午間之前。索諾瑪峡谷的陽光充沛。佩塔盧馬的年降水量為 24 英寸，索諾瑪 29 英寸，聖羅莎 30 英寸。
索諾瑪縣的氣候還受到區域性灣區氣候的影響。(icon) (PDF)
索諾瑪縣的空氣品質
臭氧和細顆粒物污染（即 PM2.5）是影響舊金山灣區的主要區域性空氣污染物。臭氧問題主要發生在夏季，細顆粒物污染主要發生在冬季。
雖然索諾瑪縣內的大部分地方在夏季會變得十分炎熱，但空氣監測結果顯示，這一地區的臭氧水平在整個灣區是最低的。夏季除了最熱的幾天以外，新鮮的海風會從西面山脈之間的峽口吹向內陸。
節假期間，尤其是因為木材焚燒等，PM2.5 水平會上升，但空氣監測結果再次顯示，該地區的 PM2.5 水平在整個灣區最低。
郡縣資源團隊
索諾瑪縣的愛惜空氣資源團隊在當地社區倡導降低空氣污染的方式。
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上次更新： 2016/11/8