Air quality

According to the Tehran Air Quality Measurement Company, the air pollution in the Iranian capital was measured at 151 micrograms per cubic meter yesterday, which is unhealthy and dangerous for all age groups. The Air Pollution Emergency…

In Sydney, Australia, controlled fires conducted in preparation for the upcoming forest fire season have severely impacted the city's air quality, leading to the world's worst recorded air pollution levels. The dense smoke…

Ottawa's air quality hit a "very high risk" rating of 10+ on the official air quality index due to smoke from forest fires in Quebec, Canada on Sunday. The Ottawa Dragon Boat Festival was canceled, and the Summer Solstice Indigenous…

Chinese authorities issued a warning for a strong sandstorm that will last until 08:00 tomorrow in the Shaanxi, Shanxi, Hebei, Shandong, Jiangsu, Anhui, Henan and Hubei provinces, as well as the capital Beijing and Shanghai. Authorities…

The air quality hit very poor in India’s capital, New Delhi, after the fireworks used in the Diwali Festival of Lights. The air quality index rose above 400 to the "hazardous" level. The buildings engulfed in heavy smog in the capital.…