Lahore, the cultural capital Pakistan, has been ranked because the world’s most polluted metropolis, based on air air pollution knowledge launched by the US Air Quality Index (AQI). Lahore reported a particulate matter (PM) ranking of 423. New Delhi stood second with a PM of 229, whereas Nepal’s capital Kathmandu ranked the third with a PM of 178.
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- The Air Quality Index (AQI) is launched by the US Environmental Protection Agency (EPA) to present folks an thought of whether or not it’s secure to breathe the air.
- AQI relies on the degrees of 5 main pollution regulated by the EPA: ground-level ozone, particulate matter (PM2.5), carbon monoxide, sulfur dioxide, and nitrogen dioxide.
- AQI measures air high quality by putting it on a scale of 0-500, the place air high quality is thought to be passable if the AQI is beneath 50.
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