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Montréal air right now

GoodAQI 15

Montréal’s five-day smoke forecast shows the current index and the clearest time ahead.

15
AQI now
2.7
PM2.5 · µg/m³
Look farther for cleaner air

Where are you?

Search covers Canada and the United States.

The better move within a 3-hour drive

Dates

Dates follow you into hotel searches. Live inventory is confirmed by the provider.

You may already have the cleanest nearby air.No meaningfully cleaner place has a verified road route within 3 hours. Widen the range or show worse air for context.

Every town is also available in the ranked list.
Montréal Local readings Clean · PM2.5 0–5 Good · 5–9 Elevated · 9–15 Polluted · 15–35 Unhealthy · 35–55 Severe · 55+
Top pick
Jay
Cel-shaded illustration of Jay
AQI 6
#1JayChecking road route

Vermont· Good

Northern Vermont ski town near the Canadian border, with cool high-ridge air and slopeside lodges.

About the same air — still smoky.

PM2.5 is 1 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 1/22 × 7 = 0.3 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
63% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 6:27 p.m. EDT

PM2.5 is estimated for this town.

Directions
Still smoky
Montebello
Cel-shaded illustration of Montebello
AQI 7
#2MontebelloChecking road route

Quebec· Good

Ottawa Valley village beside the Ottawa River, home to a grand historic log-château resort.

About the same air — still smoky.

PM2.5 is 1.3 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 1.3/22 × 7 = 0.4 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
52% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 6:27 p.m. EDT

PM2.5 is estimated for this town. No AQHI station is close enough.

Directions
Still smoky
Shelburne
Cel-shaded illustration of Shelburne
AQI 8
#3ShelburneChecking road route

Vermont· Good

Lake Champlain town south of Burlington, with open-water air and a farm-and-museum countryside setting.

About the same air — still smoky.

PM2.5 is 1.5 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 1.5/22 × 7 = 0.5 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
44% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 5:00 p.m. EDT

PM2.5 from the Burlington UVM monitor.

Directions
Still smoky
Burlington
Cel-shaded illustration of Burlington
AQI 8
#4Burlington~2 h drive

Vermont· Good

Lakefront city on Lake Champlain below the Green Mountains, with open-water breezes and a broad range of hotels.

About the same air — still smoky.

PM2.5 is 1.5 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 1.5/22 × 7 = 0.5 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
44% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 5:00 p.m. EDT

PM2.5 from the Burlington UVM monitor.

Directions
Still smoky
Magog
Cel-shaded illustration of Magog
AQI 10
#5MagogChecking road route

Quebec· Good

Eastern Townships lake town on Lac Memphrémagog, with open-water air below the Estrie hills.

About the same air — still smoky.

PM2.5 is 1.8 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 1.8/22 × 7 = 0.6 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
33% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 5:00 p.m. EDT

PM2.5 from the Sherbrooke - Parc Sylvie-Daigle monitor. No AQHI station is close enough.

Directions
Still smoky
Laval
Cel-shaded illustration of Laval
AQI 11
#6LavalChecking road route

Quebec· Good

A major Quebec city with broad lodging options and live air-quality readings for comparison when smoke shifts across the region.

About the same air — still smoky.

PM2.5 is 2 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 2/22 × 7 = 0.6 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
26% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 5:00 p.m. EDT

PM2.5 from the Caserne 17 monitor. No AQHI station is close enough.

Directions
Still smoky
Granby
Cel-shaded illustration of Granby
AQI 16
#7GranbyChecking road route

Quebec· Good

Eastern Townships city near the Yamaska hills, a family-resort base with a well-known zoo.

Worse air than home. Don't bother.

PM2.5 is 2.9 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 2.9/22 × 7 = 0.9 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
7% worse airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 5:00 p.m. EDT

PM2.5 from the Granby - Parc Poitevin monitor. No AQHI station is close enough.

Directions
Still smoky
Sutton
Cel-shaded illustration of Sutton
AQI 16
#8SuttonChecking road route

Quebec· Good

Eastern Townships ski village near the Vermont border, a countryside base with cool ridge air.

Worse air than home. Don't bother.

PM2.5 is 2.9 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 2.9/22 × 7 = 0.9 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
7% worse airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 5:00 p.m. EDT

PM2.5 from the Granby - Parc Poitevin monitor. No AQHI station is close enough.

Directions
Still smoky
Knowlton
Cel-shaded illustration of Knowlton
AQI 16
#9KnowltonChecking road route

Quebec· Good

Eastern Townships village on Lac Brome, a countryside base with inns and cooler hill-country air.

Worse air than home. Don't bother.

PM2.5 is 2.9 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 2.9/22 × 7 = 0.9 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
7% worse airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 5:00 p.m. EDT

PM2.5 from the Granby - Parc Poitevin monitor. No AQHI station is close enough.

Directions
Still smoky
Val-David
Cel-shaded illustration of Val-David
AQI 19
#10Val-DavidChecking road route

Quebec· Good

Artsy Laurentians village along the Rivière du Nord, a hiking-and-climbing base with cool valley air.

Worse air than home. Don't bother.

PM2.5 is 3.4 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 3.4/22 × 7 = 1.1 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
26% worse airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 5:00 p.m. EDT

PM2.5 from the Saint-Faustin-Lac-Carr� monitor. No AQHI station is close enough.

Directions
Still smoky
Sainte-Agathe-des-Monts
Cel-shaded illustration of Sainte-Agathe-des-Monts
AQI 19
#11Sainte-Agathe-des-MontsChecking road route

Quebec· Good

Laurentians lake town on Lac des Sables, with open-water mountain air and a walkable lakeside strip.

Worse air than home. Don't bother.

PM2.5 is 3.4 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 3.4/22 × 7 = 1.1 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
26% worse airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 5:00 p.m. EDT

PM2.5 from the Saint-Faustin-Lac-Carr� monitor. No AQHI station is close enough.

Directions
Still smoky
Mont-Tremblant
Cel-shaded illustration of Mont-Tremblant
AQI 19
#12Mont-TremblantChecking road route

Quebec· Good

Laurentians resort village beneath the tallest peak in the range, with cool mountain air and a large lodge base.

Worse air than home. Don't bother.

PM2.5 is 3.4 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 3.4/22 × 7 = 1.1 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
26% worse airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 5:00 p.m. EDT

PM2.5 from the Saint-Faustin-Lac-Carr� monitor. No AQHI station is close enough.

Directions
Still smoky
Middlebury
Cel-shaded illustration of Middlebury
AQI 6
#13MiddleburyChecking road route

Vermont· Good

College town in the Champlain Valley below the Green Mountains, with falls-side inns and open valley air.

About the same air — still smoky.

PM2.5 is 1.1 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 1.1/22 × 7 = 0.4 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
59% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 6:12 p.m. EDT

PM2.5 is estimated for this town.

Directions
Still smoky
Brockville
Cel-shaded illustration of Brockville
AQI 6
#14BrockvilleChecking road route

Ontario· Good

St. Lawrence River city at the edge of the Thousand Islands, with river-air exposure and hotels.

About the same air — still smoky.

PM2.5 is 1.1 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 1.1/22 × 7 = 0.4 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
59% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 6:27 p.m. EDT

PM2.5 is estimated for this town. No AQHI station is close enough.

Directions
Still smoky
Waitsfield
Cel-shaded illustration of Waitsfield
AQI 7
#15WaitsfieldChecking road route

Vermont· Good

Mad River Valley village between two ski areas, a working-farm-country base with cool valley air and inns.

About the same air — still smoky.

PM2.5 is 1.3 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 1.3/22 × 7 = 0.4 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
52% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 5:00 p.m. EDT

PM2.5 from the Underhill monitor.

Directions
Still smoky
Montpelier
Cel-shaded illustration of Montpelier
AQI 7
#16MontpelierChecking road route

Vermont· Good

America's smallest state capital, tucked in the Green Mountain foothills with a walkable core of inns.

About the same air — still smoky.

PM2.5 is 1.3 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 1.3/22 × 7 = 0.4 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
52% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 5:00 p.m. EDT

PM2.5 from the Underhill monitor.

Directions
Still smoky
Stowe
Cel-shaded illustration of Stowe
AQI 7
#17Stowe~2 h 35 min drive

Vermont· Good

Green Mountain resort village below Mount Mansfield, Vermont's highest peak, with cool alpine air and a deep lodging base.

About the same air — still smoky.

PM2.5 is 1.3 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 1.3/22 × 7 = 0.4 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
52% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 5:00 p.m. EDT

PM2.5 from the Underhill monitor.

Directions
Still smoky
Southwest Harbor
Cel-shaded illustration of Southwest Harbor
AQI 1
#18Southwest HarborChecking road route

Maine· Good

Quiet side of Mount Desert Island away from Bar Harbor's crowds, wrapped in the same cold Gulf of Maine air.

About the same air — still smoky.

PM2.5 is 0.2 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 0.2/22 × 7 = 0.1 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →

2.5 µg/m³ less fine-particle pollution than Montréal right now

93% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 5:00 p.m. EDT

PM2.5 from the Acadia NP - McFarland monitor.

Directions
Still smoky
Carleton North
Cel-shaded illustration of Carleton North
AQI 1
#19Carleton NorthChecking road route

New Brunswick· Good

New Brunswick community with lodging and a separate live air reading for regional smoke comparisons.

About the same air — still smoky.

PM2.5 is 0.2 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 0.2/22 × 7 = 0.1 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →

2.5 µg/m³ less fine-particle pollution than Montréal right now

93% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 6:27 p.m. EDT

PM2.5 is estimated for this town. No AQHI station is close enough.

Directions
Still smoky
Bar Harbor
Cel-shaded illustration of Bar Harbor
AQI 1
#20Bar Harbor~8 h 5 min drive

Maine· Good

Island town at the gateway to Acadia, wrapped by the cold Gulf of Maine with steady sea air and abundant lodging.

About the same air — still smoky.

PM2.5 is 0.2 µg/m³ here vs 2.7 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 0.2/22 × 7 = 0.1 here; 2.7/22 × 7 = 0.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →

2.5 µg/m³ less fine-particle pollution than Montréal right now

93% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Aug 23, 5:00 p.m. EDT

PM2.5 from the Acadia NP - McFarland monitor.

Directions
Bad week ahead? Check the 7-day outlook — if it won’t clear, book the trip

7-day outlook

Plan the next seven days

Pick a day, or compare the whole week. Weather is forecast; air quality is the latest available reading.

Loading the week…

Finding the nicest days and reachable cities.

Observed Aug 23, 5:00 p.m. EDTLast scan Aug 23, 6:27 p.m. EDT · 49 min ago

Why live rankings? Smoke plumes are patchy and shift with the wind, so no direction is reliably cleaner. This list is recalculated from live PM2.5 every hour — and if everything nearby is smoky, it says so.

How we work this out →

Browse all 200 cities by province & state →

More air-quality pages in Quebec →
Laval air qualityQuébec City air qualitySaguenay air qualitySherbrooke air qualityTrois-Rivières air quality
Air quality in nearby cities →
Ottawa air qualityKingston air qualityAlbany air qualityBelleville air qualitySyracuse air qualitySpringfield air qualityWorcester air qualityPeterborough air qualityBoston air qualityRochester air qualityHartford air qualityProvidence air quality

What this means · Montréal

Good

AQI 15

AQI = Air Quality Index

Typical person. Air quality is satisfactory for most outdoor plans.

Kids, seniors, heart or lung conditions. Unusually sensitive people can still enjoy the outdoors.

The AQI on this page follows fine particles (PM2.5). Particles here are 2.7 µg/m³ (Natural), so the headline and the particle scale below tell the same story.

Act two · Fine particles only

Where PM2.5 lands

This bar is smoke and fine particles (PM2.5) only. Left is cleaner air; right is heavier particle pollution. Today's particles sit in Natural.

2.7 µg/m³
Clean · 0Smoky · 40Severe · 80+

Act three · Particle ladder

What each PM2.5 rung feels like

  • 0–3µg/m³Natural. About as clean as outdoor air realistically gets.
  • 3–5µg/m³Clean. Crisp, destination-worthy air.
  • 5–9µg/m³Good. Clean city air; most people will not notice anything today.
  • 9–15µg/m³Elevated. Usually no big deal today; sensitive lungs may notice hard exercise.
  • 15–35µg/m³Polluted. Smoke or traffic pollution is now worth acting on.
  • 35–55µg/m³Unhealthy. Symptoms become more likely, especially with asthma or heart disease.
  • 55+µg/m³Severe. Everyone should reduce exposure and clean the indoor air.

Act four · Felt number

Cigarettes a week

A secondary feel for the particle load only — not a medical claim, and not a substitute for AQI.

0.9/wk

What is PM2.5?

Fine particles about 30× thinner than a human hair — small enough to slip through your lungs and into your bloodstream. We measure them inµg/m³: micrograms of particle mass in a cubic metre of air.

The math

PM2.5 here is 2.7 µg/m³.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at this level: 2.7/22 × 7 = 0.9 cigarettes.A long-term health-risk equivalence, not literal smoking.See how we work it out →
See the full method →