If your dog starts pacing the second the first backyard firecracker goes off, you already know what tomorrow night looks like. Canada Day is one of the loudest nights of the year in Sage Hill, Nolan Hill, Evanston, Panorama Hills, Country Hills, Sherwood and Kincora — and for a noise-sensitive pet, it’s not a celebration. It’s an unpredictable barrage of bangs, flashes, and vibration with no warning and no off switch.

At Sanctuary Veterinary Hospital, our phones start ringing the morning of July 1 with the same story: a dog that bolted through a screen door, a cat that’s been hiding under the bed since midnight, a senior pet that seemed fine for years and suddenly wasn’t. Most of this is preventable with a few hours of preparation. Here’s exactly what to do between now and tomorrow night.

Why Fireworks Hit Pets So Much Harder Than Us

Dogs and cats hear roughly twice the frequency range humans do, and their hearing is far more sensitive at close range. A firework that sounds loud to you can be genuinely painful to them. Add the unpredictable timing, the smell of smoke, and the sudden flashes of light, and you’ve got a perfect storm for a fear response that’s instinctive, not behavioural. Pulling on the leash, hiding, or shaking isn’t your dog being “dramatic” — it’s a real physiological stress reaction, and it’s the single biggest cause of lost pets in Calgary every July.

Today: What To Do Before Tomorrow Night

Check the ID tag and microchip. This is the single most important thing on this list. If your pet’s microchip is registered to an old address or phone number, update it today through your provider’s website. Confirm the collar tag is legible and the collar actually fits — a startled dog can back out of a loose collar in seconds.

Call us if your pet has a history of severe panic. If your dog has ever injured themselves, broken out of a crate, or completely shut down during fireworks or thunderstorms in past years, today is the day to call — not tomorrow afternoon. Situational anti-anxiety medication needs to be in your pet’s system before the stress event starts, and same-day prescriptions are much harder to arrange once the holiday rush hits. Book through our Checkups and Exams page or call (403) 295-0305.

Set up the safe space now. Pick an interior room with as few windows as possible — a bathroom, laundry room, or basement area works well. Add their bed, a few favourite toys, and water. If you have a pheromone diffuser (Adaptil for dogs, Feliway for cats), plug it in this afternoon so it has time to build up in the room before tomorrow evening.

Introduce a pressure wrap or ThunderShirt today, not tomorrow. If your pet has never worn one, putting it on for the first time during fireworks adds a second stressor instead of reducing one. A trial run during a calm afternoon lets them get used to the sensation.

July 1: Your Hour-By-Hour Plan

Morning–afternoon: Get the main walk and any high-energy play done early, while the neighbourhood is still quiet. A dog who’s burned off physical energy settles faster once the noise starts.

Early evening: Feed dinner and handle the last bathroom break well before dusk. Backyard firecrackers in NW Calgary often start before the official sunset show, so don’t assume you have until full dark. Once your pet has eaten and gone outside, bring them in for the night — always on a leash for that last outdoor trip, even in a fenced yard.

As dusk approaches: Close windows, blinds, and curtains to cut down on both sound and flashing light. Double-check that every door, including any pet door, is secured. This is the single most common way pets go missing on Canada Day — a startled dog bolting through a door someone forgot to latch during a backyard gathering.

Once the noise starts: Turn on the TV, a fan, or calming music to mask the sharpest bangs. Offer a frozen stuffed Kong or a long-lasting chew in the safe space — licking and chewing are naturally self-soothing behaviours and give an anxious dog something to do with their nervous energy. Stay calm yourself; pets read our tone far more than our words, and a high-pitched “it’s okay, it’s okay” can actually confirm to your dog that something is, in fact, very much not okay.

If you’re hosting: Tell guests directly not to let your pet outside and to give them space if they’re hiding. A sticky note on the door is not overkill — it’s the difference between a stressful night and a missing pet.

Signs It’s More Than Normal Stress

Trembling, panting, pacing, drooling, and hiding are typical fireworks responses. Watch more closely for destructive scratching at doors or windows, attempts to squeeze through small gaps, self-injury, or a dog that won’t settle even hours after the noise has stopped. These signs point to a level of panic that’s worth discussing with your vet before next year’s holiday — sound desensitization training and, for some pets, situational medication can make a real difference if started well ahead of time.

What About Cats?

Cats rarely show fear as dramatically as dogs, which makes it easy to miss. Look for a cat who disappears for hours, stops eating, or vocalizes more than usual. The same approach applies: bring them indoors well before dusk, close the curtains, leave a familiar-smelling blanket in a quiet room, and don’t force interaction if they’ve chosen to hide. Most cats simply want to be left alone with an exit they trust.

When to Call Sanctuary Veterinary Hospital

While we are not exclusively an emergency clinic, our team is available to support pets during clinic hours, including the long weekend. If your pet has gone missing, has injured themselves trying to escape, or shows signs of extreme distress that aren’t settling, call us right away at (403) 295-0305. For anything outside our hours, our Emergencies page has guidance on what to monitor and where to go.

Frequently Asked Questions

Should I give my dog Benadryl or another over-the-counter sedative for fireworks?
Don’t reach for human medications without talking to us first. Many over-the-counter options either don’t work the way pet parents expect or can interact with other medications. If your pet needs help getting through the night, we can recommend something appropriate for their size, age, and health history.

My dog has never reacted badly to fireworks before — do I still need to prepare?
Fear of loud noises often develops or worsens with age, even in pets who seemed unbothered in previous years. A basic safe space and early-evening routine takes very little effort and covers you either way.

Is it too late to do anything if Canada Day is tomorrow?
Not at all. Updating ID information, setting up a quiet room, and planning an early walk and feeding schedule can all be done today and still make a meaningful difference tomorrow night.

What should I do if my pet goes missing during fireworks?
Start searching your immediate area and neighbourhood right away, notify local animal control and shelters, and post in NW Calgary community groups. A pet with an up-to-date microchip is far more likely to be returned home quickly.

If tonight or tomorrow doesn’t go smoothly, we’re here afterward too — whether that’s a follow-up conversation about long-term noise anxiety or a check-up after an escape attempt. Book an appointment or browse our Pet Library for more on managing anxiety year-round.