The Air District is encouraging residents to prepare for potential smoke impacts this summer to protect their health in the event of widespread unhealthy air quality.
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康特拉科斯塔縣 (Contra Costa County)
瞭解康特拉科斯塔縣，包括它的氣候、潛在空氣污染問題及目前的空氣品質。您還可以查看康特拉科斯塔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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The Air District and Alameda County District Attorney Ursula Jones Dickson filed a joint civil lawsuit against Radius Recycling, formerly Schnitzer Steel Industries, for air quality violations related to the fire at the company’s facility in West Oakland on August 9-10, 2023. In addition, previous enforcement actions by the Air District and the district attorney required Radius Recycling to install new equipment that has eliminated hundreds of tons of air pollution and reduced cancer risk by 84 percent since 2022; today the Air District finalized the operating permit for this important equipment.
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The Air District is lifting an air quality advisory for the Bay Area due to wildfire smoke that was originally scheduled to last through today, Monday, July 14. Over the weekend, smoke from the Butler and Green wildfires had been moving down the Sacramento Valley and impacting air quality in portions of the Bay Area. However, as of Monday morning, the Bay Area is experiencing strong onshore winds, and smoke has remained mostly outside of the region. Air quality has been in the Good Air Quality Index category. Moderate onshore winds are expected to continue into Tuesday, keeping the smoke outside of the Bay Area. As the week progresses, these onshore winds will turn southerly in northern California, and this also is expected to keep the smoke from moving towards our region.
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Other News Articles
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2025/6/22 Air District issues air quality advisory for wildfire smoke for Sunday
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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
氣候
聖拉蒙 (San Ramon) 和代阿布洛 (Diablo) 峽谷夏季溫暖，冬季涼爽，這很大程度上是因為它們遠離海水的調節作用，而且加州海岸山脈阻擋了海洋氣流吹進山谷。因靠近海洋和海洋氣流的影響，卡奇尼茲海峽 (Carquinez Strait) 氣候溫和。冬季，白天平均氣溫適中，夜間常有吐爾霧(Tule fog)。夏季平均氣溫通常夜間溫度適中，白天溫暖，西部海岸較為涼爽，常伴有較強風速。區域的風速一般較低，通常從西北往東南方向吹。但是卡奇尼茲海峽附近各縣的北部，午後常有陣風。整個縣的年降水量平均在 18 到 23 英寸之間。
康特拉科斯塔縣 (Contra Costa County) 的氣候還受到區域性灣區氣候的影響。
康特拉科斯塔縣的空氣品質
臭氧和細懸浮微粒污染（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，細懸浮微粒污染主要發生在冬季。
在東灣山脈西部的康特拉科斯塔縣，臭氧和 PM2.5 不常超過健康標準。舊金山灣區冬季氣溫在冰點以上，夏季最高氣溫在 100 華氏度以下。
在康特拉科斯塔縣東，夏季午後氣溫經常接近三位數，致使臭氧水平超過健康標準。冬季，PM2.5 從中央谷地通過卡奇尼茲海峽向西移動，加上木材煙霧，超過了健康標準。
資源團隊
康特拉科斯塔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法。
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上次更新： 2016/11/8