Wildfire Smoke and Your Pet: What a Santa Rosa Vet Wants You to Know
Santa Rosa knows fire. The 2017 Tubbs Fire tore through Coffey Park and, across the county that October, took lives and destroyed thousands of homes in a single night. The Glass Fire returned in 2020. This past July, the Ledson Fire burned just east of the city near Kenwood. It never threatened Santa Rosa itself, but it put wildfire smoke back in the air and reminded every pet owner here how fast the season turns.
The logistics of getting out, evacuation zones, go-bags, and where to shelter, are covered thoroughly by the City of Santa Rosa, Fire Safe Sonoma, and the Humane Society of Sonoma County, and we link those below. This article is about the part we see in the exam room: what smoke and fire actually do to a dog or cat's body, and how to tell the difference between irritation you can watch at home and an emergency that needs a vet now.
If you are reading this with a pet in trouble right now: labored or open-mouthed breathing, collapse or weakness, gums that look cherry-red, pale, or bluish, or any pet that was inside a burning building all mean go now, not wait and see. Call Lakeside Pet Hospital's Emergency & Critical Care team on your way. The full list of warning signs is further down this page.
Why Wildfire Smoke Hits Pets Harder Than People
Your dog or cat is breathing the same smoke you are, but usually more of it. Pets have smaller airways, and they spend their time close to the ground, where the fine particulate matter in smoke tends to concentrate. That particulate, the microscopic PM2.5 that gives wildfire smoke its haze, is small enough to travel deep into the lungs and pass into the bloodstream.
There is a second exposure route people forget: smoke particles settle onto fur, and pets swallow them when they groom. Cats, who groom constantly, get a double dose. And the smoke from a modern wildfire is more toxic than a simple brush fire, because burning homes, vehicles, and electronics release plastics and synthetic chemicals into the air. Use your own senses as the trigger: the moment the air looks hazy or smells of smoke to you, your pet's exposure has already started.
The Pets Most at Risk
Some pets are far more vulnerable, and if you own one, smoky air deserves extra caution:
• Flat-faced (brachycephalic) breeds, including Bulldogs, Pugs, Boxers, and Persian and Exotic Shorthair cats. Their airways are already working hard on a clear day, so smoke stresses them fast.
• Pets with existing heart or lung disease, including cats with feline asthma and dogs with a collapsing trachea or heart disease.
• Seniors and very young puppies and kittens, whose respiratory systems are less able to cope.
These are the patients who can go from mildly bothered to in trouble quickly, and they are the ones to bring indoors first when the air turns.
Signs of Smoke Irritation You Can Watch at Home
Milder irritation is common when air quality is poor and usually settles once the air clears. Keep your pet indoors, keep windows closed, and watch for:
• Watery or red eyes
• Nasal discharge
• An occasional cough or throat clearing
• Reduced appetite or mild sluggishness
If the signs are mild and not getting worse, monitor them and call your veterinarian for guidance. If they intensify or new signs appear, treat that as your cue to move.
Signs That Mean Go to the Emergency Vet Now
Some signs are not “wait and see.” Seek immediate veterinary care if you notice:
• Labored, rapid, or open-mouthed breathing, in cats, open-mouth breathing is always an emergency
• Persistent coughing, gagging, or obvious effort to breathe
• Weakness, collapse, or unwillingness to stand
• Gums that look bright cherry-red, pale, or bluish
• Stumbling, disorientation, or unusual behavior
• Any pet pulled from a structure fire, even one that looks fine
Several of these, cherry-red gums, disorientation, and a racing heart, can point to carbon monoxide poisoning, which is common in smoky air and limits the oxygen reaching the brain and heart. Fire crews, EMTs, and ambulances often carry oxygen and may be able to help stabilize a pet on scene, but the destination is an emergency veterinary hospital, as fast as you can safely get there.
The Delayed Danger Most People Miss
Here is the point that catches even careful owners off guard: smoke injury can get worse after the smoke is gone. Damage to the airways and lungs can take hours, sometimes a day or two, to fully declare itself.
Veterinarians at the UC Davis veterinary teaching hospital documented exactly this in a dog that survived a house fire. The dog arrived breathing comfortably and looked stable, then deteriorated roughly two days later into a severe, life-threatening airway obstruction that required a ventilator. It was reportedly the first case of its kind described in a dog, and it is a sharp reminder that “seems fine tonight” is not the same as “in the clear.”
So if your pet has been through heavy smoke or was near flames, keep a close eye on their breathing and energy for the next two to three days, and do not hesitate to have them checked if anything changes. A recheck you did not need is far cheaper than a crisis you missed.
Burns and Paw Injuries
Fire injures pets in ways beyond smoke. Burns to the paws, face, and airways are among the most serious, and burns tend to be more dangerous in puppies than in older dogs. Pets can also scorch their pads on hot ground and debris while fleeing or after returning home.
For a minor paw pad burn, you can run cool (not cold) water over the paw for several minutes to ease the pain. Never apply ice, which damages tissue further, and skip hydrogen peroxide and vinegar, which irritate the wound. Then have your veterinarian take a look. Any blistering, open or oozing tissue, a pet that refuses to bear weight, or burns that wrap around a limb needs professional care, often including pain medication that pets genuinely need for burns.
One rule stands above the rest: any pet that was inside a structure fire should be examined by a veterinarian even if it looks unharmed, because the heat of the air itself can burn the delicate lining of the airways where you cannot see it.
If Your Pet Has a Chronic Condition
The pets that smoke and stress hit hardest are often the ones already managing something, a heart murmur, kidney disease, feline asthma, diabetes. If that is your pet, a little preparation goes a long way.
• Keep a few days' supply of every medication in your evacuation kit, along with a written list of drug names and doses.
• Know your pet's normal, their usual breathing rate at rest and their usual energy, so you can recognize a change.
• Keep recent veterinary records accessible. If a pet with a known condition ends up at an unfamiliar emergency hospital, a current baseline from routine wellness care helps that team help your pet faster.
After You Return Home
When it is officially safe to return, do not let pets loose to explore right away. A property after a fire can hide hot ash, sharp debris, downed power lines, and contaminated water. Keep dogs leashed and cats contained until you have checked the area.
For the following days, watch your pet's breathing, appetite, energy, and paws. Coughing, reluctance to eat, low energy, or limping that shows up after the fact all deserve a call to your veterinarian.
Leave the Evacuation Logistics to the Local Experts
We are not going to reprint a go-bag checklist here, because Sonoma County already has excellent, authoritative versions. Look up your evacuation zone and sign up for CivicReady alerts through the City of Santa Rosa, build your pet's kit using Fire Safe Sonoma's Evacuating with Pets guide or the Humane Society of Sonoma County's go-bag list, and if you have horses or livestock, the HALTER Project is the local resource. Do this before smoke is in the air.
Frequently Asked Questions
Is wildfire smoke bad for dogs and cats?
Yes. Pets can suffer many of the same effects from wildfire smoke that people do, and often more, because they have smaller airways, breathe faster for their size, and stay close to the ground where fine particles concentrate. Cats also swallow settled particles when they groom. Assume that air which bothers your throat and eyes is doing more to your dog or cat than it is to you.
How do I protect my dog or cat from wildfire smoke?
Keep pets indoors with the windows closed, and run an air purifier or set up one “cleaner air room” if you can. Take dogs out only for short bathroom breaks and skip walks and hard exercise until the air clears. Avoid adding to indoor smoke by not burning candles, frying food, or vacuuming while air quality is poor, keep fresh water available since smoke is drying, and wipe down your pet's fur and paws after they come inside to remove ash. Masks are not recommended for pets and can make breathing harder.
Is it safe to walk my dog when the air is smoky?
Keep it brief. When air quality is poor, the American Veterinary Medical Association advises letting dogs and cats out only for short bathroom breaks and avoiding intense outdoor exercise, which makes pets breathe faster and inhale more smoke. Flat-faced breeds, seniors, and pets with heart or lung disease should stay inside as much as possible.
What are the signs of smoke inhalation in dogs and cats?
Milder signs include watery or red eyes, nasal discharge, an occasional cough, and reduced appetite, which you can monitor at home while keeping your pet indoors. Treat labored or open-mouthed breathing (in cats, open-mouth breathing is always an emergency), persistent coughing or gagging, weakness or collapse, and cherry-red, pale, or bluish gums as reasons to get to an emergency veterinarian right away.
Can my pet get sick from wildfire smoke even if it seemed fine at first?
Yes. Irritation can build gradually, and airway injury from heavy smoke can worsen over the following hours or even a day or two. If the exposure was mild and your pet is bright, eating, and breathing normally, monitoring at home is reasonable. But if your pet went through heavy smoke or was near flames, watch closely for two to three days and have them checked if breathing or energy changes.
What air quality level is dangerous for pets?
As a general guide, an Air Quality Index above 150 is unhealthy for everyone, including pets, and sensitive pets, puppies, seniors, and those with breathing or heart conditions, can be affected in the 101 to 150 range. When the AQI climbs, keep pets indoors with windows closed.
When in Doubt, Call
Wildfire smoke is one of those situations where a quick phone call can save you a sleepless night, or save your pet. If your pet is coughing, struggling to breathe, or was caught up in a fire, contact the Emergency & Critical Care team at Lakeside Pet Hospital as soon as possible so we can be ready when you arrive.
And if your pet has a chronic condition that smoke could aggravate, staying current with wellness care at Lakeside Pet Hospital is the best preparation there is. Lakeside Pet Hospital cares for dogs and cats in Santa Rosa and throughout Sonoma County.
Local Resources and Sources
• City of Santa Rosa: Wildfire Ready, evacuation zones and alerts
• Fire Safe Sonoma: Evacuating with Pets
• Humane Society of Sonoma County: Emergency Resources
• The HALTER Project: Preparedness Resources for horses and livestock
• American Veterinary Medical Association: Wildfire Smoke and Animals
• UC Davis: Protecting Animals and Pets from Wildfire Smoke
This article provides general educational information about wildfire smoke and pet health. It is not a substitute for veterinary examination or emergency care. If your pet is experiencing a medical emergency, contact a veterinarian immediately.