The Air District is issuing an air quality advisory due to wildfire smoke from the Gifford Fire in the Bay Area for today, August 12. Smoke from the Gifford Fire in Central California is expected to move over the Bay Area on Tuesday. Conditions can change rapidly and the amount and location of smoke at ground level is hard to predict. The public can check for real-time smoke pollution levels in their local area with the U.S. EPA’s Fire and Smoke Map. Smoky, hazy skies may be visible, and the smell of smoke is possible, especially at higher elevations, on Tuesday.
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Advisory
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Permit Public Comment Extension
The public comment period for Permit Application #704470 (CA-002 Somo Village) has been extended and will now end on October 3, 2025. Please visit our Public Notices page for more information.
Advisory
Permit Public Comment Extension
The public comment period for Permit Application #704470 (CA-002 Somo Village) has been extended and will now end on October 3, 2025. Please visit our Public Notices page for more information.
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聖克拉拉縣 (Santa Clara County)
瞭解聖克拉拉縣，包括它的氣候、潛在空氣污染問題及目前的空氣品質。您還可以查看聖克拉拉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。
最新新聞
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The Air District has reached an agreement with Argent Materials, Inc., that resolves violations at the company’s aggregate recycling facility in East Oakland. Under the terms of the settlement agreement, Argent will install and operate a fenceline air monitoring system at both yards of its East Oakland facility to enhance transparency and provide continuous air quality data to the Air District and the community.
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The deadline to apply to the Air District’s Clean HEET Program has been extended to September 30, 2025. Clean HEET grants are currently available to help offset the cost of switching from wood-burning or pellet-burning stoves, fireplace inserts, or open-hearth fireplaces to an electric heat pump. A decommission-only option is also available for homeowners to remove existing open-hearth fireplaces or older, uncertified wood-burning stoves or inserts.
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Other News Articles
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2025/7/11 Air District extends air quality advisory for wildfire smoke through Saturday
七月 11, 2025
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2025/7/10 Air District issues air quality advisory for wildfire smoke for Thursday and Friday
七月 10, 2025
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2025/7/2 Air District urges residents to skip the sparklers this Fourth of July
七月 2, 2025
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2025/6/23 Air District extends air quality advisory for wildfire smoke through Monday
六月 23, 2025
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2025/6/22 Air District issues air quality advisory for wildfire smoke for Sunday
六月 22, 2025
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2025/6/18 Air District issues air quality advisory for smoke from Somersville brush fire for Wednesday evening
六月 18, 2025
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2025/6/12 Air District increases Vehicle Buy Back Program incentive and expands eligibility effective July 1
六月 12, 2025
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2025/6/10 Air District and Chevron reach settlement with enhanced requirements for air monitoring and transparency
六月 10, 2025
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2025/6/4 Air District allocates $1.3 million to improve air quality in West Contra Costa County schools
六月 4, 2025
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2025/6/4 Air District extends air quality advisory for wildfire smoke through Thursday
六月 4, 2025
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2025/6/3 Air District extends air quality advisory for wildfire smoke through Wednesday
六月 3, 2025
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2025/6/2 Air District issues air quality advisory for wildfire smoke for Monday and Tuesday
六月 2, 2025
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2025/5/31 Air District issues air quality advisory due to flaring at Chevron Refinery
五月 31, 2025
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2025/5/29 Air District issues Spare the Air Alert for Friday
五月 29, 2025
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2025/5/21 Air District Releases Draft Ambient Air Monitoring Network Plan
五月 21, 2025
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2025/5/14 Air District opens funding opportunity for zero-emission transport refrigeration units
五月 14, 2025
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2025/5/6 Air District Issues 3 Notices of Violation to Valero as a result of the May 5 fire
五月 6, 2025
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2025/5/5 Air quality advisory for smoke from fire at Valero
五月 5, 2025
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2025/5/5 Spare the Air smog season begins
五月 5, 2025
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2025/5/1 Air District Issues 18 Notices of Violation to Martinez Refining Company as a result of the February 1 fire
五月 1, 2025
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2025/5/1 Air District Soliciting Applications for Community Advisory Council Seats
五月 1, 2025
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2025/4/30 Apply now to join the Community Workgroup for the Refinery Community Particle Fallout Sampling Program
四月 30, 2025
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2025/4/23 Air District fines Kinder Morgan, Inc. $226,990 for air quality violations
四月 23, 2025
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2025/4/7 Air District to host virtual webinar overview of the proposed budget for Fiscal Year 2025-2026
四月 7, 2025
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2025/3/27 Point Richmond and North Richmond Odor
三月 27, 2025
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2025/3/25 Air District asks community members to help shape how millions in community funds are spent
三月 25, 2025
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2025/3/21 Join Webinar to Explore Careers at the Air District
三月 21, 2025
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2025/3/13 Air District’s Clean HEET Program now accepting applications
三月 13, 2025
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2025/3/5 Air District launches Charge! Program, expanding Bay Area access to electric vehicle chargers
三月 5, 2025
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2025/3/3 Notice Regarding Fraudulent Bay Area Commuter Benefits Program Letters
三月 3, 2025
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2025/2/13 MRC Refinery Fire Information
二月 13, 2025
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2025/2/1 Air quality advisory for smoke from fire at MRC Refinery in Martinez
二月 1, 2025
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2025/1/28 Air District asks public not to light firecrackers and fireworks or burn wood over Lunar New Year holiday
一月 28, 2025
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2025/1/22 Air District launches new name and branding
一月 22, 2025
聖克拉拉縣位於舊金山灣南部，北面毗鄰聖馬特奧 (San Mateo) 和阿拉米達 (Alameda) 縣，西面毗鄰聖克魯茲縣 (Santa Cruz)，南面毗鄰聖貝尼托 (San Benito) 縣，東面毗鄰斯坦尼斯洛斯 (Stanislaus) 和默塞德 (Merced) 縣。聖克拉拉縣有四名代表進入空氣局董事會。
氣候
在夏季，天空基本晴朗無雲，因而白天溫暖，夜間涼爽。冬季氣溫溫和，但清晨較冷，一般不會結霜。
再往內陸深入，海灣的調節作用逐漸減弱，氣溫波動幅度也更大一些。風向規律受到當地地形影響，白天通常會形成西北向微弱海風。春天和夏天的風勢較強。降雨量適中，低窪處是 13 英寸，山裡是 20 英寸。
聖克拉拉縣 (Santa Clara County) 的氣候還受到區域性灣區氣候的影響。
聖克拉拉縣的空氣品質
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。
聖克拉拉縣的大部分地區在海水清涼的舊金山灣以南，夏季影響聖馬特奧縣的涼爽海洋空氣輸送不到這裡。 夏天最炎熱時，盛行的季節性北風攜帶著臭氧前驅，向南吹過全縣，頻繁形成臭氧，造成臭氧濃度超過健康標準。
聖克拉拉縣每年冬天都會多次出現 PM2.5 超標。 這是因為這裡的人口密度高，冬天大量焚燒木材產生煙霧，工業交通和公路交通繁忙，再加上東西兩面連綿的群山阻斷了吹向該地區的風，致使冬天的空氣流通性較差。
資源團隊
聖克拉拉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。
Spare the Air Status
上次更新： 2016/11/8