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Respiratory Conditions and Farm Work

Dust, mold, fumes and cold air are part of many farm jobs. If you have a lung condition, these exposures deserve a plan made with your clinician.

Why do farm exposures matter for the lungs?

Farm air can carry dust from grain, hay and feed, mold spores, animal-related particles, engine exhaust, chemical vapors and smoke. For people with asthma, COPD or other lung conditions, these can trigger symptoms or make them worse.

Lung problems can develop slowly and may be mistaken for normal aging or smoking history. A persistent cough, wheeze or shortness of breath deserves a medical check, not a shrug.

Ask about vaccines and routine care that protect your lungs. Your clinician will say which are right for you.

• Dust and mold from grain and hay
• Fumes and exhaust in enclosed spaces
• Cold air and smoke can trigger symptoms

What should you ask your clinician?

Describe your tasks and the places you work: grain handling, silage, hay, barns, shops, spraying and burning. Ask which exposures are most risky for you, whether you need testing, and what to do when symptoms flare.

Ask for a written action plan that lists your medicines, your warning signs and when to call 911. Keep a copy handy and share it with someone who works with you. Ask whether seasonal changes, such as harvest dust or winter cold, call for adjustments to the plan, and write those adjustments down.

• Which jobs are risky for you
• Whether lung testing is needed
• A written action plan with emergency steps

How do you reduce exposure in general terms?

Prevention means lowering the dust, mold and fumes you breathe. That can include better ventilation, wetting or covering dusty material where appropriate, storing crops dry, and working outdoors when you can. For specific methods, consult NIOSH, OSHA and your extension office.

Respirators and masks differ greatly in what they protect against, and they must be the right type, fit properly and be used with proper medical clearance. Do not choose one from memory or from a store shelf. Ask a qualified professional and follow OSHA guidance.

Keep fuel-burning equipment out of closed buildings unless it is designed and installed for that use, and read the manufacturer's manual for ventilation instructions.

• Improve ventilation where possible
• Keep stored crops dry
• Get advice before choosing any respirator

Which tasks need extra caution?

Some jobs carry serious hazards for everyone, including entering grain bins, manure pits and other confined spaces, where air can be unsafe. Do not enter these spaces on your own. Follow official guidance and use recognized training and rescue providers.

Burning, welding, spraying and working with chemicals also require care. Read labels and manufacturer instructions, and ask the EPA or your extension office for guidance on pesticide safety. Official sources such as NIOSH and OSHA explain the hazards of confined spaces, and hands-on training providers teach prevention and response properly.

• Never enter confined spaces without proper training and procedures
• Read and follow chemical labels
• Ask for help with high-risk jobs

What should you do when symptoms appear?

Stop the task, move to fresh air and rest. Use medicines as your clinician has directed. If breathing does not ease or the person is struggling to speak, call 911 immediately.

Tell your clinician about any episode so that your plan can be updated. Over time, patterns will show which tasks and conditions cause the trouble.

• Move to fresh air and stop work
• Call 911 if breathing does not ease
• Report episodes to your clinician

How can the family and farm help?

Learn the action plan and the warning signs. Offer to take the dustiest jobs when someone is struggling, and support routine appointments. Share outdoor tasks to reduce time in dusty buildings.

If the farm has hired workers, make sure they understand safe practices and know who to ask about concerns. AgriSafe Network and NIOSH offer resources on respiratory health for agricultural workers. Include the plan in your regular farm safety review so that it does not get forgotten between seasons.

• Take dusty jobs when needed
• Learn the action plan
• Use AgriSafe and NIOSH resources

How can employers and family farms protect workers with lung conditions?

Talk with employees privately about exposures and ask what would help. Rotate dusty tasks, provide ventilation where possible, and make sure any protective equipment is the right type, properly fitted and used with appropriate medical evaluation. OSHA and NIOSH publish guidance for agricultural employers.

Hired and seasonal workers may be reluctant to report symptoms. Make it clear that reporting will not cost them their job, and tell them who to ask about concerns.

• Rotate dusty tasks
• Follow OSHA and NIOSH employer guidance
• Make reporting safe for workers

Last reviewed: November 12, 2026. Written by the Farm Safety Editorial Team. See our editorial policy.