Washington Declares Wildfire Emergency, Statewide Burn Ban Through September 30
Washington has declared a statewide wildfire emergency and extended its burn ban through September 30, 2026, as smoke from over 1,000 fires pushes air quality into unhealthy ranges far beyond the fire lines.
Do Air Purifiers Actually Stop Wildfire Smoke and PM2.5? What the Research Shows
HEPA air purifiers can cut indoor PM2.5 by anywhere from 15% to 88% during wildfire smoke events, but the real driver is sizing, sealing, and runtime, not the brand on the box.
Punjab’s 2026 Stubble-Burning Season Begins: What the First Farm Fires Mean for North India’s Air
Punjab’s farm-fire monitoring season opened September 15, 2026 with the first fires already reported. Here’s what the early data says about the months ahead for Delhi-NCR air quality.
Ground-Level Ozone vs. PM2.5: The Other Half of Your AQI Number
PM2.5 and ground-level ozone are the two pollutants behind most AQI readings, but they form differently, peak at different times, and harm your body differently. Here’s how to tell them apart.