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Nothing cleaner nearby

Brantford is breathing 4.5 cigarettes a week

14
PM2.5 µg/m³
60
AQI
2.3
Cleanest in reach · µg/m³
Look farther for cleaner air

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The better move within a 3-hour drive

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Brantford Clean · PM2.5 0–5 Good · 5–9 Elevated · 9–15 Polluted · 15–35 Unhealthy · 35–55 Severe · 55+
Top pick
Port Stanley
Cel-shaded illustration of Port Stanley
#1Port StanleyPM2.5 13Checking road route

Ontario· PM2.5 13 µg/m³

Lake Erie fishing village turned beach town, with open-water air on the province’s south shore.

About the same air — still smoky.

PM2.5 is 13 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 13/22 × 7 = 4.1 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
7% cleaner airChecking trip easeChecking nearby staysChecking today's weather

AQHI 3: Low risk (Port Stanley station)

Observed Jul 27, 7:00 p.m. EDT

AQHI from the Port Stanley station; PM2.5 is modelled for this town.

HotelsRentalsDirections
Still smoky
Hamilton
Cel-shaded illustration of Hamilton
#2HamiltonPM2.5 14Checking road route

Ontario· PM2.5 14 µg/m³

A major Ontario 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 14 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 14/22 × 7 = 4.5 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
0% worse airChecking trip easeChecking nearby staysChecking today's weather

AQHI 3: Low risk (Hamilton Downtown station)

Observed Jul 27, 7:00 p.m. EDT

AQHI from the Hamilton Downtown station; PM2.5 is modelled for this town.

HotelsRentalsDirections
Still smoky
Mississauga
Cel-shaded illustration of Mississauga
#3MississaugaPM2.5 14Checking road route

Ontario· PM2.5 14 µg/m³

A major Ontario 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 14 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 14/22 × 7 = 4.5 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
0% worse airChecking trip easeChecking nearby staysChecking today's weather

AQHI 2: Low risk (Mississauga station)

Observed Jul 27, 7:00 p.m. EDT

AQHI from the Mississauga station; PM2.5 is modelled for this town.

HotelsRentalsDirections
Still smoky
Brampton
Cel-shaded illustration of Brampton
#4BramptonPM2.5 14Checking road route

Ontario· PM2.5 14 µg/m³

A major Ontario 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 14 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 14/22 × 7 = 4.5 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
0% worse airChecking trip easeChecking nearby staysChecking today's weather

AQHI 3: Low risk (Brampton station)

Observed Jul 27, 7:00 p.m. EDT

AQHI from the Brampton station; PM2.5 is modelled for this town.

HotelsRentalsDirections
Still smoky
St. Catharines
Cel-shaded illustration of St. Catharines
#5St. CatharinesPM2.5 14Checking road route

Ontario· PM2.5 14 µg/m³

A major Ontario 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 14 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 14/22 × 7 = 4.5 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
0% worse airChecking trip easeChecking nearby staysChecking today's weather

AQHI 3: Low risk (St. Catharines station)

Observed Jul 27, 7:00 p.m. EDT

AQHI from the St. Catharines station; PM2.5 is modelled for this town.

HotelsRentalsDirections
Still smoky
Niagara Falls
Cel-shaded illustration of Niagara Falls
#6Niagara FallsPM2.5 14Checking road route

Ontario· PM2.5 14 µg/m³

Canadian-side falls city with the wider Horseshoe Falls view, a dense tourist hotel strip on the gorge.

About the same air — still smoky.

PM2.5 is 14 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 14/22 × 7 = 4.5 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
0% worse airChecking trip easeChecking nearby staysChecking today's weather

AQHI 3: Low risk (St. Catharines station)

Observed Jul 27, 7:00 p.m. EDT

AQHI from the St. Catharines station; PM2.5 is modelled for this town.

HotelsRentalsDirections
Still smoky
Niagara-on-the-Lake
Cel-shaded illustration of Niagara-on-the-Lake
#7Niagara-on-the-LakePM2.5 14Checking road route

Ontario· PM2.5 14 µg/m³

Wine-country town where the Niagara River meets Lake Ontario, dense with inns and B&Bs.

About the same air — still smoky.

PM2.5 is 14 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 14/22 × 7 = 4.5 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
0% worse airChecking trip easeChecking nearby staysChecking today's weather

AQHI 3: Low risk (St. Catharines station)

Observed Jul 27, 7:00 p.m. EDT

AQHI from the St. Catharines station; PM2.5 is modelled for this town.

HotelsRentalsDirections
Still smoky
Niagara Falls
Cel-shaded illustration of Niagara Falls
#8Niagara FallsPM2.5 14Checking road route

New York· PM2.5 14 µg/m³

US-side falls city on the Niagara River gorge, with river-air exposure and a broad hotel base.

About the same air — still smoky.

PM2.5 is 14 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 14/22 × 7 = 4.5 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
0% worse airChecking trip easeChecking nearby staysChecking today's weather

AQHI 3: Low risk (St. Catharines station)

Observed Jul 27, 7:00 p.m. EDT

AQHI from the St. Catharines station; PM2.5 is modelled for this town.

HotelsRentalsDirections
Still smoky
Grand Bend
Cel-shaded illustration of Grand Bend
#9Grand BendPM2.5 14Checking road route

Ontario· PM2.5 14 µg/m³

Classic Lake Huron beach town with famous sunsets and prevailing onshore winds off the open lake.

About the same air — still smoky.

PM2.5 is 14 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 14/22 × 7 = 4.5 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
0% worse airChecking trip easeChecking nearby staysChecking today's weather

AQHI 3: Low risk (Grand Bend station)

Observed Jul 27, 7:00 p.m. EDT

AQHI from the Grand Bend station; PM2.5 is modelled for this town.

HotelsRentalsDirections
Still smoky
Bayfield
Cel-shaded illustration of Bayfield
#10BayfieldPM2.5 14Checking road route

Ontario· PM2.5 14 µg/m³

Quiet heritage village on the Lake Huron bluffs, a slower-paced alternative to the bigger beach towns.

About the same air — still smoky.

PM2.5 is 14 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 14/22 × 7 = 4.5 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
0% worse airChecking trip easeChecking nearby staysChecking today's weather

AQHI 3: Low risk (Grand Bend station)

Observed Jul 27, 7:00 p.m. EDT

AQHI from the Grand Bend station; PM2.5 is modelled for this town.

HotelsRentalsDirections
Still smoky
Kitchener-Waterloo
Cel-shaded illustration of Kitchener-Waterloo
#11Kitchener-WaterlooPM2.5 15Checking road route

Ontario· PM2.5 15 µg/m³

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

Worse air than home. Don't bother.

PM2.5 is 15 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 15/22 × 7 = 4.8 here; 14/22 × 7 = 4.5 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

AQHI 3: Low risk (Kitchener station)

Observed Jul 27, 7:00 p.m. EDT

AQHI from the Kitchener station; PM2.5 is modelled for this town.

HotelsRentalsDirections
Still smoky
Guelph
Cel-shaded illustration of Guelph
#12GuelphPM2.5 15Checking road route

Ontario· PM2.5 15 µg/m³

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

Worse air than home. Don't bother.

PM2.5 is 15 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 15/22 × 7 = 4.8 here; 14/22 × 7 = 4.5 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

AQHI 3: Low risk (Guelph station)

Observed Jul 27, 7:00 p.m. EDT

AQHI from the Guelph station; PM2.5 is modelled for this town.

HotelsRentalsDirections
Port Hope
Cel-shaded illustration of Port Hope
#13Port HopePM2.5 10Checking road routesaves 1.3 cigs/wk

Ontario· PM2.5 10 µg/m³

Lake Ontario heritage town near Cobourg, with a walkable historic Main Street and open-water air.

29% cleaner than home — pack the car.

PM2.5 is 10 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 10/22 × 7 = 3.2 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →

4 µg/m³ less fine-particle pollution than Brantford right now

29% cleaner airChecking trip easeChecking nearby staysChecking today's weather

AQHI 3: Low risk (Peterborough station)

Observed Jul 27, 7:00 p.m. EDT

AQHI from the Peterborough station; PM2.5 is modelled for this town.

HotelsRentalsDirections
Wiarton
Cel-shaded illustration of Wiarton
#14WiartonPM2.5 10.4Checking road routesaves 1.1 cigs/wk

Ontario· PM2.5 10.4 µg/m³

Bruce Peninsula harbour town on Colpoys Bay, with Georgian Bay air and small-town lodging.

26% cleaner than home — pack the car.

PM2.5 is 10.4 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 10.4/22 × 7 = 3.3 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →

3.6 µg/m³ less fine-particle pollution than Brantford right now

26% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Jul 27, 8:27 p.m. EDT

PM2.5 is modelled for this town — no monitoring station is close enough for a live AQHI.

HotelsRentalsDirections
Still smoky
Meaford
Cel-shaded illustration of Meaford
#15MeafordPM2.5 12.8Checking road routesaves 0.4 cigs/wk

Ontario· PM2.5 12.8 µg/m³

Georgian Bay orchard town near Collingwood, with bay-air exposure and a walkable harbourfront.

About the same air — still smoky.

PM2.5 is 12.8 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 12.8/22 × 7 = 4.1 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
9% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Jul 27, 8:27 p.m. EDT

PM2.5 is modelled for this town — no monitoring station is close enough for a live AQHI.

HotelsRentalsDirections
Still smoky
Owen Sound
Cel-shaded illustration of Owen Sound
#16Owen SoundPM2.5 12.8Checking road routesaves 0.4 cigs/wk

Ontario· PM2.5 12.8 µg/m³

Georgian Bay port city at the base of the Bruce Peninsula, with bay air and a broad hotel base.

About the same air — still smoky.

PM2.5 is 12.8 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 12.8/22 × 7 = 4.1 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
9% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Jul 27, 8:27 p.m. EDT

PM2.5 is modelled for this town — no monitoring station is close enough for a live AQHI.

HotelsRentalsDirections
Still smoky
Sauble Beach
Cel-shaded illustration of Sauble Beach
#17Sauble BeachPM2.5 12.8Checking road routesaves 0.4 cigs/wk

Ontario· PM2.5 12.8 µg/m³

11 km of sandy Lake Huron shoreline where westerly lake winds usually keep the air moving.

About the same air — still smoky.

PM2.5 is 12.8 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 12.8/22 × 7 = 4.1 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
9% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Jul 27, 8:12 p.m. EDT

PM2.5 is modelled for this town — no monitoring station is close enough for a live AQHI.

HotelsRentalsDirections
Glen Arbor
Cel-shaded illustration of Glen Arbor
#18Glen ArborPM2.5 2.3Checking road routesaves 3.7 cigs/wk

Michigan· PM2.5 2.3 µg/m³

Village beside Sleeping Bear Dunes on Lake Michigan, wrapped in lakeshore air, with cottages and inns.

84% cleaner than home — pack the car.

PM2.5 is 2.3 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 2.3/22 × 7 = 0.7 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →

11.7 µg/m³ less fine-particle pollution than Brantford right now

84% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Jul 27, 8:27 p.m. EDT

PM2.5 is modelled for this town — no monitoring station is close enough for a live AQHI.

HotelsRentalsDirections
Tobermory
Cel-shaded illustration of Tobermory
#19TobermoryPM2.5 3.3Checking road routesaves 3.4 cigs/wk

Ontario· PM2.5 3.3 µg/m³

Harbour village at the tip of the Bruce Peninsula, wrapped in open Lake Huron and Georgian Bay water with steady onshore breezes.

76% cleaner than home — pack the car.

PM2.5 is 3.3 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 3.3/22 × 7 = 1.1 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →

10.7 µg/m³ less fine-particle pollution than Brantford right now

76% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Jul 27, 8:12 p.m. EDT

PM2.5 is modelled for this town — no monitoring station is close enough for a live AQHI.

HotelsRentalsDirections
Sturgeon Bay
Cel-shaded illustration of Sturgeon Bay
#20Sturgeon BayPM2.5 3.3Checking road routesaves 3.4 cigs/wk

Wisconsin· PM2.5 3.3 µg/m³

Door County's harbour city between the bay and Lake Michigan, wrapped in peninsula lake air, with inns and waterfront rentals.

76% cleaner than home — pack the car.

PM2.5 is 3.3 µg/m³ here vs 14 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 3.3/22 × 7 = 1.1 here; 14/22 × 7 = 4.5 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →

10.7 µg/m³ less fine-particle pollution than Brantford right now

76% cleaner airChecking trip easeChecking nearby staysChecking today's weather

Observed Jul 27, 8:12 p.m. EDT

PM2.5 is modelled for this town — no monitoring station is close enough for a live AQHI.

HotelsRentalsDirections
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.

AQHI 3: Low risk (Brantford)Observed Jul 27, 7:00 p.m. EDTLast scan Jul 27, 8:27 p.m. EDT · 53 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 →

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What this means · Brantford

Phew.

4.5cigarettes

per week, if this air holds

Act two · The scale

Where today lands

From a crisp horizon to smoke you can taste — here’s your reading on it.

14 µg/m³
CrispSome smokeHeavy smoke

Act three · The ladder

What each 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 · The fine print

The receipts

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 14 µg/m³.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at this level: 14/22 × 7 = 4.5 cigarettes.A long-term health-risk equivalence, not literal smoking.See how we work it out →
See the full method →