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Alberta worker wearing a respirator at a job site with visible dust or smoke in the air
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Safety Programs 2018-08-17 2 min read

Working in Poor Air Conditions

Poor air quality — from wildfire smoke, industrial emissions, or confined space hazards — is a serious OHS risk for Alberta workers. Employers must assess the hazard, communicate the risk, and implement controls before workers are exposed.

Wildfire Smoke Is Now an Alberta OHS Issue

British Columbia has declared a state of emergency due to the almost 600 wildfires that are plaguing the province. Hot, dry weather conditions have made the situation worse, along with lightning strikes causing even more fires to add to the problem.

Reading the Air Quality Health Index for Your Site

The smoke from the BC fires has been pushing into Alberta creating very poor air quality and air advisory warnings from Environment Canada to be issued. The Air Quality Health Index indicates that air quality is forecast as a 10 (High Risk) on August 17, and 9 overnight. Moving into the weekend it should drop to a moderate risk of 5.

Who Is Most at Risk from Poor Air Quality

Environment Canada recommends reducing or rescheduling strenuous activities outdoors if possible. People, especially the elderly and children, may experience symptoms such as increased coughing, throat irritation, dry/burning eyes, and headaches. People with pre-existing conditions such as COPD, heart conditions and asthma may experience symptoms that are worse than normal.

Practical Controls Employers and Workers Can Apply

During poor air quality conditions please see the following suggestions:

  • Limit outdoor activities as much as possible. Reschedule activities for days with a low risk rating.
  • Do not exercise outdoors, try going to a gym or indoor facility to limit exposure to smokey air.
  • Keep windows and doors closed to prevent outdoor air from coming inside as much as possible.
  • Turn off air conditioning units that pull air from outdoors into the building.
  • Limit strenuous outdoor activities whenever possible.
  • Limit outdoor time for children and limit the activities to prevent heavy breathing when outside.
  • Ensure to take all medications as prescribed for medical conditions, such as COPD, heart conditions and asthma, to control symptoms as much as possible.
  • If symptoms from poor air quality persist or become increasing worse over time without improvement, seek medical attention.
  • Consider rescheduling outdoor work activities when air quality is poor, based on hazard assessments and worker health, to reduce exposure to harmful air contaminants.
  • Take regular scheduled breaks if you must work outdoors and limit strenuous activities, such as manual lifting, for another day of possible.
  • Wear respiratory protection as required. Ensure that respiratory hazards are assessed, appropriate respiratory protective equipment is provided at no cost, and workers are trained on its proper use in accordance with Alberta OHS Code requirements.

We at Safety Ahead hold the people effected by the wildfires in our thoughts and hope the situation in BC can be controlled soon.

Building a Respiratory Code of Practice for Your Worksite

For information on how to develop a Respiratory Code of Practice, please call us at Safety Ahead for assistance! 780-473-4772!

Information and Photo Credits :

  • Global News
  • Environment Canada

Frequently Asked Questions

Employers must assess the hazard, communicate risks to workers, implement controls such as rescheduling outdoor work or engineering controls, and provide appropriate respiratory protection when exposure exceeds occupational exposure limits, in accordance with Alberta OHS Code requirements. While training on respiratory protection is required, there is no mandatory 'Respiratory Code of Practice' to develop or review.

Yes, employers must provide suitable respiratory protection when workers are exposed to hazardous air contaminants such as wildfire smoke, in accordance with Alberta OHS requirements and the workplace Respiratory Code of Practice.

Workers experiencing persistent or worsening respiratory symptoms should seek medical care promptly. Employers must comply with general OHS obligations to ensure worker health and safety and report workplace injuries or illnesses as required under WCB and OHS legislation.

Employers should assess workplace hazards, select and provide appropriate respiratory protection, train workers on proper use, and regularly review respiratory protection programs. Consulting OHS professionals can help tailor programs to workplace needs and ensure compliance with Alberta OHS requirements.

Written by

Safety Ahead Team

Alberta-based safety consultants with decades of field experience — COR auditors, OHS advisors, and WCB specialists working with employers across the province.

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In this article

  • Wildfire Smoke Is Now an Alberta OHS Issue
  • Reading the Air Quality Health Index for Your Site
  • Who Is Most at Risk from Poor Air Quality
  • Practical Controls Employers and Workers Can Apply
  • Building a Respiratory Code of Practice for Your Worksite
  • Frequently Asked Questions

Safety Program Development

Is your safety program actually working in the field?

Request a program review

Safety Ahead services

How our team can help with this in Alberta

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  • Safety Program Checklist

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