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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納帕縣 (Napa County)
瞭解納帕縣，包括它的氣候、潛在空氣污染問題及目前的空氣品質。您還可以查看納帕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
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2025/6/12 Air District increases Vehicle Buy Back Program incentive and expands eligibility effective July 1
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2025/6/10 Air District and Chevron reach settlement with enhanced requirements for air monitoring and transparency
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2025/6/4 Air District allocates $1.3 million to improve air quality in West Contra Costa County schools
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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
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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
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2025/5/14 Air District opens funding opportunity for zero-emission transport refrigeration units
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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
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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
納帕谷兩側的山脈阻隔了全年大部分的西北盛行風。納帕縣陽光充足，夏季時山谷裡十分溫暖，尤其是北端。冬季通常氣候溫和，夜間涼爽，白天氣溫溫和到適中。冬天時，山谷的北段溫度稍低。全縣通常以靜風為主。海拔低的地區年平均降水量在 24 英寸左右，山裡的年平均降水量在 40 英寸以上。
納帕縣 (Napa County) 的氣候還受到區域性灣區氣候的影響。
納帕縣的空氣品質
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。
在納帕縣，臭氧很少超過健康標準，PM2.5 偶爾會達到不健康的濃度。納帕縣 PM2.5 超標的原因有多個。 首先，全縣大部分地區背風，把 PM2.5 困在了纳帕谷內部。
其次，大部分地區靠北，無法受到聖帕布洛灣 (San Pablo Bay) 的氣溫調節作用影響，因此納帕縣夜間的溫度是灣區最低的。這導致更多的人使用火爐，焚燒木材，進而使 PM2.5 的水平升高。最後，冬季吹的東風經常把中央谷地細顆粒物含量較高的空氣運送到卡奇尼茲海峽 (Carquinez Strait)，然後再吹到西面的索拉諾縣和南面的納帕縣。
資源團隊
納帕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