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Louisville air right now

GoodAQI 33

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

33
AQI now
6
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.
Louisville Clean · PM2.5 0–5 Good · 5–9 Elevated · 9–15 Polluted · 15–35 Unhealthy · 35–55 Severe · 55+
Top pick
Lexington
Cel-shaded illustration of Lexington
AQI 36
#1Lexington~1 h 30 min drive

Kentucky· Good

A major Kentucky 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 6.4 µg/m³ here vs 6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 6.4/22 × 7 = 2.0 here; 6/22 × 7 = 1.9 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 NEWTWN monitor.

Directions
Still smoky
Georgetown
Cel-shaded illustration of Georgetown
AQI 36
#2GeorgetownChecking road route

Kentucky· Good

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

Worse air than home. Don't bother.

PM2.5 is 6.4 µg/m³ here vs 6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 6.4/22 × 7 = 2.0 here; 6/22 × 7 = 1.9 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 NEWTWN monitor.

Directions
Still smoky
Owensboro
Cel-shaded illustration of Owensboro
AQI 36
#3OwensboroChecking road route

Kentucky· Good

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

Worse air than home. Don't bother.

PM2.5 is 6.4 µg/m³ here vs 6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 6.4/22 × 7 = 2.0 here; 6/22 × 7 = 1.9 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 Owensboro monitor.

Directions
Still smoky
Cincinnati
Cel-shaded illustration of Cincinnati
AQI 39
#4Cincinnati~1 h 55 min drive

Ohio· Good

A major Ohio 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 7 µg/m³ here vs 6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 7/22 × 7 = 2.2 here; 6/22 × 7 = 1.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
17% worse airChecking trip easeChecking nearby staysChecking today's weather

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

PM2.5 from the Taft NCore PAMS monitor.

Directions
Still smoky
Bloomington
Cel-shaded illustration of Bloomington
AQI 40
#5BloomingtonChecking road route

Indiana· Good

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

Worse air than home. Don't bother.

PM2.5 is 7.2 µg/m³ here vs 6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 7.2/22 × 7 = 2.3 here; 6/22 × 7 = 1.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
20% worse 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
Newburg
Cel-shaded illustration of Newburg
AQI unavailable
#6NewburgChecking road route

Kentucky

Kentucky community with a cached air reading available when it appears in a nearby escape search.

Air comparison pending.

Air comparison pendingChecking trip easeChecking nearby staysChecking today's weather

PM2.5 is modelled for this town.

Directions
Still smoky
Lyndon
Cel-shaded illustration of Lyndon
AQI unavailable
#7LyndonChecking road route

Kentucky

Kentucky community with a cached air reading available when it appears in a nearby escape search.

Air comparison pending.

Air comparison pendingChecking trip easeChecking nearby staysChecking today's weather

PM2.5 is modelled for this town.

Directions
Still smoky
Okolona
Cel-shaded illustration of Okolona
AQI unavailable
#8OkolonaChecking road route

Kentucky

Kentucky community with a cached air reading available when it appears in a nearby escape search.

Air comparison pending.

Air comparison pendingChecking trip easeChecking nearby staysChecking today's weather

PM2.5 is modelled for this town.

Directions
Still smoky
Pleasure Ridge Park
Cel-shaded illustration of Pleasure Ridge Park
AQI unavailable
#9Pleasure Ridge ParkChecking road route

Kentucky

Kentucky community with a cached air reading available when it appears in a nearby escape search.

Air comparison pending.

Air comparison pendingChecking trip easeChecking nearby staysChecking today's weather

PM2.5 is modelled for this town.

Directions
Still smoky
Hurstbourne Acres
Cel-shaded illustration of Hurstbourne Acres
AQI unavailable
#10Hurstbourne AcresChecking road route

Kentucky

Kentucky community with a cached air reading available when it appears in a nearby escape search.

Air comparison pending.

Air comparison pendingChecking trip easeChecking nearby staysChecking today's weather

PM2.5 is modelled for this town.

Directions
Still smoky
Prospect
Cel-shaded illustration of Prospect
AQI unavailable
#11ProspectChecking road route

Kentucky

Kentucky community with a cached air reading available when it appears in a nearby escape search.

Air comparison pending.

Air comparison pendingChecking trip easeChecking nearby staysChecking today's weather

PM2.5 is modelled for this town.

Directions
Still smoky
Sellersburg
Cel-shaded illustration of Sellersburg
AQI unavailable
#12SellersburgChecking road route

Indiana

Indiana community with a cached air reading available when it appears in a nearby escape search.

Air comparison pending.

Air comparison pendingChecking trip easeChecking nearby staysChecking today's weather

PM2.5 is modelled for this town.

Directions
Still smoky
Bowling Green
Cel-shaded illustration of Bowling Green
AQI 24
#13Bowling GreenChecking road route

Kentucky· Good

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

About the same air — still smoky.

PM2.5 is 4.3 µg/m³ here vs 6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 4.3/22 × 7 = 1.4 here; 6/22 × 7 = 1.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
28% 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
Berea
Cel-shaded illustration of Berea
AQI 28
#14BereaChecking road route

Kentucky· Good

Arts-and-crafts college town at the edge of the Appalachian foothills, with inns and B&Bs south of Lexington.

About the same air — still smoky.

PM2.5 is 5 µg/m³ here vs 6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 5/22 × 7 = 1.6 here; 6/22 × 7 = 1.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
17% 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
Dayton
Cel-shaded illustration of Dayton
AQI 39
#15Dayton~3 h drive

Ohio· Good

A major Ohio 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 7.1 µg/m³ here vs 6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 7.1/22 × 7 = 2.3 here; 6/22 × 7 = 1.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
18% worse airChecking trip easeChecking nearby staysChecking today's weather

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

PM2.5 from the Sinclair monitor.

Directions
Still smoky
Indianapolis
Cel-shaded illustration of Indianapolis
AQI 54
#16Indianapolis~2 h 10 min drive

Indiana· Moderate

A major Indiana 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 10.6 µg/m³ here vs 6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 10.6/22 × 7 = 3.4 here; 6/22 × 7 = 1.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →

Air is currently worse here than in Louisville

77% worse airChecking trip easeChecking nearby staysChecking today's weather

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

PM2.5 from the Indpls - I-70 E monitor.

Directions
Still smoky
Washington
Cel-shaded illustration of Washington
AQI unavailable
#17WashingtonChecking road route

Indiana

Indiana community with a cached air reading available when it appears in a nearby escape search.

Air comparison pending.

Air comparison pendingChecking trip easeChecking nearby staysChecking today's weather

PM2.5 is modelled for this town.

Directions
Tuscaloosa
Cel-shaded illustration of Tuscaloosa
AQI 3
#18TuscaloosaChecking road route

Alabama· Good

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

90% cleaner than home — pack the car.

PM2.5 is 0.6 µg/m³ here vs 6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 0.6/22 × 7 = 0.2 here; 6/22 × 7 = 1.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →

5.4 µg/m³ less fine-particle pollution than Louisville right now

90% cleaner airChecking trip easeChecking nearby staysChecking today's weather

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

PM2.5 from the Duncanville Middle School monitor.

Directions
South Haven
Cel-shaded illustration of South Haven
AQI 6
#19South Haven~6 h 10 min drive

Michigan· Good

Harbour beach town on Lake Michigan's southwest shore, swept by onshore lake air, with waterfront hotels and rentals.

82% cleaner than home — pack the car.

PM2.5 is 1.1 µg/m³ here vs 6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 1.1/22 × 7 = 0.4 here; 6/22 × 7 = 1.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →

4.9 µg/m³ less fine-particle pollution than Louisville right now

82% 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
Fort Wayne
Cel-shaded illustration of Fort Wayne
AQI 9
#20Fort Wayne~4 h 25 min drive

Indiana· Good

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

72% cleaner than home — pack the car.

PM2.5 is 1.7 µg/m³ here vs 6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 1.7/22 × 7 = 0.5 here; 6/22 × 7 = 1.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →

4.3 µg/m³ less fine-particle pollution than Louisville right now

72% 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
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 Kentucky →
Lexington air quality
Air quality in nearby cities →
Cincinnati air qualityIndianapolis air qualityDayton air qualityNashville air qualityKnoxville air qualityColumbus air qualityFort Wayne air qualitySt. Louis air qualityToledo air qualityPeoria air qualityChicago air qualityCanton air quality

What this means · Louisville

Good

AQI 33

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 6 µg/m³ (Good), 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 Good.

6 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.

1.9/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 6 µg/m³.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at this level: 6/22 × 7 = 1.9 cigarettes.A long-term health-risk equivalence, not literal smoking.See how we work it out →
See the full method →