The 2025 IQ Air World air quality report, had analysed air quality data from 9,446 cities in 143 countries, regions, and territories around the world.
The government published the long-awaited third cycling and walking investment strategy yesterday (11th June), setting out a vision for making walking, wheeling and cycling a safe, easy and accessible option for everyone, backing the strategy with £4.5 billion of investment.
Scientists have unveiled a powerful new way to detect and measure formaldehyde in the atmosphere, a breakthrough that could improve air pollution monitoring and help researchers better understand the chemistry behind smog, ozone formation and wildfire emissions.