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  • Multnomah County
  • Communications
  • Air Quality: a public health problem

Air Quality: a public health problem Pages

  • Air Quality: a public health problem Home
  • Smoke & Wildfire

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  • News9
  • Pages27
  • Documents34
  • Videos5
Estimated cadmium concentrations map screen cap

2016 Heavy Metals

Community members learned of dangerously high concentrations of cadmium, arsenic and other toxic heavy metals in some Portland neighborhoods

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Adjust outdoor activity

Follow these recommendations for outdoor activity based on current air quality

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AQ logo shared air shared action

Air Quality Awareness Week

Air Quality Awareness Week 2022 is May 2 – May 6 but air quality information is relevant year round. Click around and learn more about air quality in Multnomah County.

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Soldiers in gas masks. credit: Indianapolis Fire Department, Indiana State Library

All face masks are not created equal

Dust masks commonly found at hardware stores keep out large particles like sawdust. They won’t protect the lungs from smoke.

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Contact Environmental Health

Have a question, concern, or just want to chat?

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Diesel Pollution Opacity

Emissions: diesel, industry and unplanned events

Multnomah County residents breathe the dirtiest air in the state and face the highest risk of pollution-related cancer, due in large part to the region’s cars, trucks and trains.

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smoke fills the sky above downtown Portland, Sept. 9, 2020

Get Ready, Be Set, Go: evacuation levels explained

People may be asked to prepare for evacuation from their homes because of wildfire. Find out what the evacuation levels mean and how to prepare

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Keep smoke out

When smoke moves in, it’s important to protect the air in your home.

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Letter to Gov. Kate Brown on Portland's air quality from Chair Deborah Kafoury and Mayor Charlie Hales

The following letter was sent to Gov. Kate Brown on Feb. 18, 2016 from Multnomah County Chair Deborah Kafoury and Portland City Mayor, Charlie Hales.

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Listen to your body

First aid information during a smoke event

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Wood smoke, wildfires and stagnant air prompt wood burning restriction

Ozone Pollution

Ozone is one of the six common air pollutants regulated by the federal government. In Multnomah County, ozone can reach unhealthy levels on hot sunny days.

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smoke fills the sky above downtown Portland, Sept. 9, 2020

Prepárense, Estén listos, ¡Váyanse!: explicación de los niveles de evacuación

Se puede pedir a las personas que se preparen para la evacuación de sus hogares debido a los incendios forestales. Descubra qué significan los niveles de evacuación y cómo prepararse

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A teen and her Chihuahua evacuated from fires in Clackamas County. Sept. 11, 2020

Protect your pets from wildfire smoke

Tips to prepare for emergencies and protect your pets’ health during hazardous conditions

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Smoky air over east Portland, Sept. 10, 2020

Protect yourself from hazardous air

What to do if a wildfire causes unsafe air in your area

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Smoky air over east Portland, Sept. 10, 2020

Protéjase del aire peligroso

Qué hacer si un incendio forestal genera aire no seguro en su área

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Smoke fills the sky above downtown Portland Sept. 9, 2020

September 2020 Wildfire Threat to Multnomah County

Wildfires threatened Clackamas and Washington County homes while heavy smoke socked in over Portland Metro. Conditions change quickly. Here's what to know.

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Smoke fills the sky above downtown Portland Sept. 9, 2020

September 2020 Wildfire Threat to Multnomah County — Chinese (Simplified)

2020年9月野火威胁穆鲁玛县

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Smoke fills the sky above downtown Portland Sept. 9, 2020

September 2020 Wildfire Threat to Multnomah County — Chinese (Traditional)

2020 年 9 月 Multnomah County 的野火威脅狀況

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Smoke fills the sky above downtown Portland Sept. 9, 2020

September 2020 Wildfire Threat to Multnomah County — Russian

Сентябрь 2020 года Угроза лесных пожаров в округе Малтнома

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Smoke fills the sky above downtown Portland Sept. 9, 2020

September 2020 Wildfire Threat to Multnomah County — Somali

Khatarta Dabka Kayntu u leeyahay Degaanka Multnomah ee Sibtambar 2020

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Smoke fills the sky above downtown Portland Sept. 9, 2020

September 2020 Wildfire Threat to Multnomah County — Vietnamese

Tháng 9 năm 2020 Nguy cơ cháy rừng ở Quận Multnomah

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Smoke fills the sky above downtown Portland Sept. 9, 2020

Septiembre de 2020 Amenaza de incendios forestales en el condado de Multnomah

Los incendios forestales amenazan las casas de los condados de Clackamas y Washington mientras que una densa capa de humo cubre el área metropolitano de Portland. Las condiciones cambian rápidamente.

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hazy sky in Portland, Oregon

Smoke and Wildfire

Wildfire seasons in Oregon are becoming longer and more intense. This means more bad air days from wildfire smoke in Multnomah County.

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Track air quality and fires

Conditions can change quickly! Bookmark these sites, track air quality, and adjust your activities

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