High White Mountains village near 8,500 feet, one of Arizona's coolest, cleanest-air mountain hamlets.
53% cleaner than home — pack the car.
PM2.5 is 2.8 µg/m³ here vs 5.9 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 2.8/22 × 7 = 0.9 here; 5.9/22 × 7 = 1.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
3.1 µg/m³ less fine-particle pollution than Yuma right now
Lake Powell gateway town near 4,300 feet on the Colorado Plateau, with open-water air and a broad hotel base.
About the same air — still smoky.
PM2.5 is 4.1 µg/m³ here vs 5.9 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 4.1/22 × 7 = 1.3 here; 5.9/22 × 7 = 1.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
Route 66 town near 6,800 feet in Kaibab National Forest, the classic rail gateway to the Grand Canyon.
About the same air — still smoky.
PM2.5 is 5.1 µg/m³ here vs 5.9 back home.Berkeley Earth: 22 µg/m³ for 24 h ≈ 1 cigarette.A week at these levels: 5.1/22 × 7 = 1.6 here; 5.9/22 × 7 = 1.9 at home.A long-term health-risk equivalence, not literal smoking.See how we work it out →
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.