Bad-air day near Arizona

Breathing here shouldn't cost you a pack a day.

See what the smoke in Tucson is really doing to your lungs, then find cleaner air within a drive you choose.

What is the better move today?

Pin your block or inspect another neighborhood. We compare the local air first, then weather, sunlight and the drive.

Checking the roads and nearby air.Only destinations with real road travel times will appear.

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Tucson (you are here) Low smoke Some particle pollution Unhealthy (sensitive) Unhealthy+ Nearby model sample

St. George

#1

Checking road routeUtahLow smoke/ PM2.5 5.8 µg/m³

PM2.5 is 5.8 µg/m³ here vs 5.6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.12 h out ≈ 5.8/22 × 0.5 = 0.1 here; 5.6/22 × 0.5 = 0.1 at home.A health-impact equivalence, not literal smoking.See how we work it out →
4% worse airChecking trip easeChecking nearby staysChecking today's weather

Observed Jul 18, 5:00 p.m. EDT

Red-rock gateway with abundant lodging between Las Vegas and Utah’s higher plateaus.

Albuquerque

#2

Checking road routeNew MexicoLow smoke/ PM2.5 7.8 µg/m³

PM2.5 is 7.8 µg/m³ here vs 5.6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.12 h out ≈ 7.8/22 × 0.5 = 0.2 here; 5.6/22 × 0.5 = 0.1 at home.A health-impact equivalence, not literal smoking.See how we work it out →

▲ Air is currently worse here than in Tucson

39% worse airChecking trip easeChecking nearby staysChecking today's weather

Observed Jul 18, 5:00 p.m. EDT

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

Las Vegas

#3

Checking road routeNevadaLow smoke/ PM2.5 8.2 µg/m³

PM2.5 is 8.2 µg/m³ here vs 5.6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.12 h out ≈ 8.2/22 × 0.5 = 0.2 here; 5.6/22 × 0.5 = 0.1 at home.A health-impact equivalence, not literal smoking.See how we work it out →

▲ Air is currently worse here than in Tucson

46% worse airChecking trip easeChecking nearby staysChecking today's weather

Observed Jul 18, 5:00 p.m. EDT

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

Phoenix

#4

Checking road routeArizonaSome particle pollution/ PM2.5 12.4 µg/m³

PM2.5 is 12.4 µg/m³ here vs 5.6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.12 h out ≈ 12.4/22 × 0.5 = 0.3 here; 5.6/22 × 0.5 = 0.1 at home.A health-impact equivalence, not literal smoking.See how we work it out →

▲ Air is currently worse here than in Tucson

121% worse airChecking trip easeChecking nearby staysChecking today's weather

Observed Jul 18, 5:00 p.m. EDT

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

San Diego

#5

Checking road routeCaliforniaSome particle pollution/ PM2.5 16.2 µg/m³

PM2.5 is 16.2 µg/m³ here vs 5.6 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.12 h out ≈ 16.2/22 × 0.5 = 0.4 here; 5.6/22 × 0.5 = 0.1 at home.A health-impact equivalence, not literal smoking.See how we work it out →

▲ Air is currently worse here than in Tucson

189% worse airChecking trip easeChecking nearby staysChecking today's weather

Observed Jul 18, 5:00 p.m. EDT

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

5.6 µg/m³PM2.5 in Tucson right now
Low smokeLatest observation Jul 18, 5:00 p.m. EDT

Build-time readings shown

Air quality · Tucson

Clear skies! Twelve hours out here is roughlyPM2.5 here is 5.6 µg/m³.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.12 h outside ≈ 5.6/22 × 0.5 = 0.1 cigarettes.A health-impact equivalence, not literal smoking.See how we work it out →

That is the fine-particle pollution you'd breathe standing outside all day inTucson right now, turned into a number your body already understands.

A health-impact equivalence, not literal smoking: Berkeley Earth puts a full day at 22 µg/m³ of PM2.5 at about one cigarette.How we work this out

Why live rankings?

Smoke plumes are patchy and move with changing winds, terrain and weather. Nearby lakefront, coastal and higher-elevation places can be much clearer than Tucson, but no direction is reliably cleaner. That is why this list is recalculated from live PM2.5 readings every hour instead of publishing a fixed escape route. If everything within three hours is smoky, the rankings will say so. Sometimes the honest answer is to stay inside with a filter running.

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