Lahore and Punjab Air Pollution: Why Winter Smog Persists and What Could Change It
Lahore Air Pollution Report 2026: Smog & PM2.5
Month: October 2026
Air Pollution and Children: Why Young Lungs Are More Vulnerable
Children are particularly vulnerable to air pollution because their lungs and other body systems are still developing, they breathe more air relative to their body size than adults, and they often spend more time being physically active outdoors. This guide explains how pollutants such as PM2.5, ozone and nitrogen dioxide can affect children, why exposure … Read more
Do Air Purifiers Improve Air Quality? HEPA Filters, Room Size, Placement and When They Help
A good air purifier can substantially reduce airborne particles in a room—but only when the filtration technology, CADR, room size, placement and operating conditions are appropriate for the problem being addressed. This guide explains what air purifiers can and cannot remove, how HEPA filtration and CADR relate to real-world performance, why room volume and runtime … Read more
Wildfire Smoke and Air Quality: PM2.5, Health Risks and How to Protect Yourself
Wildfire smoke can travel hundreds or even thousands of kilometres, affecting air quality far beyond the fire itself. Much of the health concern comes from fine particulate matter (PM2.5), which can penetrate deep into the lungs and make outdoor—and sometimes indoor—air unhealthy. This guide explains how wildfire smoke affects AQI, who may be most vulnerable, … Read more
Does Outdoor Air Pollution Affect Indoor Air Quality? How PM2.5 Gets Inside Your Home
Outdoor air pollution does not always stay outdoors. Fine particulate matter, especially PM2.5, can enter homes through open doors and windows, ventilation systems and small gaps in the building, meaning indoor air quality can sometimes be strongly influenced by conditions outside. How much pollution gets indoors depends on factors such as the building, ventilation, filtration, … Read more
PM2.5 Explained: What It Is, Health Effects, Sources and How It Affects AQI
PM2.5 is one of the most important air pollutants for understanding both air quality and health. These microscopic particles are 2.5 micrometres or smaller in diameter—small enough to travel deep into the lungs, with some components able to enter the bloodstream. PM2.5 can come directly from sources such as vehicle exhaust, industry, fuel and biomass … Read more
Why Delhi Air Pollution Gets Worse in Winter: PM2.5, Weather, Inversions and Emissions Explained
Every winter, Delhi and the surrounding National Capital Region experience some of the world’s most severe episodes of air pollution. Fine particle pollution can rise dramatically as emissions from traffic, industry, construction, household fuel use, waste burning and seasonal agricultural fires combine with cold, calm weather that traps pollution close to the ground. But Delhi’s … Read more