This has already been a punishing wildfire year. Fire crews reported near-record acreage burned before the season even hit its usual stride, and over the past couple of weeks smoke from Western and Canadian fires has drifted across much of the country, pushing air-quality alerts into more than a dozen states. On a smoky day, the youngest children in our families need extra attention — because their lungs and their habits make them more vulnerable than adults. Here is a calm, practical guide for parents and caregivers.
Why young children are more at risk
The reasons are worth understanding, because they explain what to do about it. Young children breathe faster than adults and take in more air relative to their body weight, so they inhale proportionally more of whatever is in the air. Their lungs are still developing well into childhood, and the fine particles in wildfire smoke — the pollution measured as PM2.5 — are small enough to travel deep into the lungs and the bloodstream. Children also tend to spend more time outdoors and closer to the ground, and they rarely stop active play to notice that the air has turned hazy or started to smell of smoke. That noticing is the adult's job.
Kids with asthma or other respiratory conditions are especially sensitive, and smoky stretches are a common trigger for flare-ups.
Check the air before you plan the day
The single most useful habit on a smoky week is to check the air quality the way you check the weather. The free AirNow.gov site and app report a color-coded Air Quality Index (AQI) for your ZIP code:
- Green/Yellow (0–100): Outdoor play is generally fine; sensitive kids should take it easy if symptoms appear.
- Orange (101–150), "Unhealthy for Sensitive Groups": Move play indoors or keep it short and gentle, especially for children with asthma.
- Red (151+) and above: Keep young children indoors and skip strenuous outdoor activity for everyone.
Let the number, not the calendar, decide whether it is a park day.
Keeping the indoor air clean
On bad-air days, indoors is the safe place — as long as you keep the smoke out:
- Close windows and doors during smoky stretches, and run the air conditioning on recirculate if you have it.
- Run a HEPA air purifier in the room where your child sleeps and plays if you can. A clean, low-smoke room to retreat to makes a real difference.
- Skip anything that adds particles indoors — no candles, incense, frying, or vacuuming without a HEPA filter when the air is already bad.
- A note on masks: the N95 masks that filter smoke are not made to fit small children and generally do not seal on little faces, so do not rely on them for toddlers. For young kids, clean indoor air is the real protection.
Know the warning signs
Watch for coughing, wheezing, a runny nose, sore throat, or unusual tiredness or fussiness. For a child with asthma, keep the action plan and any prescribed inhaler close at hand during smoky periods. Trouble breathing, fast breathing that will not settle, or a child who seems very sluggish are reasons to call your pediatrician — and any severe difficulty breathing is a 911 emergency.
A calm word to caregivers
None of this means sealing kids inside all summer. Smoke tends to come and go with the wind and the fires, and plenty of days will be perfectly fine for the park. It means that during a smoky stretch like the one much of the country is seeing this month, the ordinary summer day needs a small adjustment — a glance at the AQI, a cleaner room to play in, and a closer eye on how your child is breathing. Young children rely on the adults around them to read the air they cannot. Do that, and their little lungs can weather the smoky days until the sky clears.