Global Air Quality Dashboard - Real-time AQI and Pollution Monitoring
Air Quality Index
Lung Health Impact
Air quality can significantly affect your respiratory health.
Top Polluted Cities
Health Impact
Weather Overview
Wind Overview
Cigarette Equivalent
Clean Hours Today
AQI < 100 - through 0:00 -
Area Air Score
Personal Exposure Calculator
Live PM2.5 for your city, adjusted for how you spend your day -- your commute, time outdoors, and the hours indoors -- to estimate what you actually breathe.
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Invisible Tax Calculator
Estimate the annual impact on your productivity and health using live air quality data.
estimate your annual pollution cost.
Lung Age Estimator
Your actual age and your lungs' biological age can diverge by decades in high-pollution cities. Find out where you stand.
estimate your lung age.
Pollution Profiles
Born in coal plants and diesel engines, PM2.5 particles are so tiny they slip past your body's defenses, embedding in lung tissue for decades. The invisible tax on every breath.
−12 yrs lung lifeGround-level ozone forms when sunlight bakes vehicle exhaust. On hot summer days it peaks in cities, causing chest tightening and triggering asthma attacks in millions.
−6 yrs lung lifeEvery rush hour produces a new surge of nitrogen dioxide. Children who grow up near highways show permanently reduced lung capacity — a sentence written in exhaust fumes.
−8 yrs lung lifeAs forests burn hotter and longer, smoke blankets cities thousands of miles away. In 2023, Canadian wildfires turned New York's sky orange. The new normal.
−15 yrs lung lifeThe Air Museum
Five days of toxic coal smoke and fog killed an estimated 12,000 Londoners. Hospitals overflowed. The Thames Valley became unbreathable. This disaster gave birth to modern clean-air legislation.
CatastrophicAt peak industrial expansion, Linfen residents hung wet cloths over their doorways daily to catch the soot. Children played indoors year-round. Coal mines ran 24/7.
SevereChina halted factories and banned half of Beijing's vehicles to host a "clean" Olympics. AQI still reached 188. Athletes wore masks. Marathon start times shifted to dawn.
LegendaryDelhi's annual average AQI has exceeded 150 for the past decade, meaning residents breathe air classified as "Unhealthy" for the average day. Equivalent to ~4 cigarettes/day, every day.
Annual Record"Air pollution is the world's largest single environmental health risk, responsible for one in eight deaths globally."
-- World Health Organization
Blogs
Delhi's Invisible Winter: What Really Happens to the Air Between October and February
Every October, like a slow-motion alarm clock, Delhi's air begins its winter deterioration. The city hasn't changed overnight. The factories haven't multiplied. The cars haven't doubled. But the AQI starts climbing — 100, 150, 200 — and by November, on the worst days, the numbers scroll past 400 while the sky turns the colour of weak tea. What's happening? The honest answer is more complicated than the stubble burning debate suggests.
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India's Air Quality Divide: Why Mumbai, Bangalore, and Kolkata Experience Pollution So Differently
Mention "India and air pollution" and most people picture Delhi. That framing is both understandable and incomplete. India is a continent masquerading as a country, and its air quality story is fractured, regional, and shaped by factors as different as monsoon geography and industrial legacy.
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The AQI Number You've Been Misreading (And What It Actually Means for Your Body)
You've seen the number — 147, 312, 78 — on a weather app or a headline about Delhi. But do you actually know what it means for what's happening inside your lungs right now? Most people don't, and it's not their fault.
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