Russia: air quality in Magnitogorsk improves
The Comprehensive Air Quality Index (CAQI) indicator for Magnitogorsk has almost halved over the past two years, official data shows, indicating a 2-fold improvement in air quality. The reading is the lowest in the history of Magnitogorsk. MMK has spent more than 21 billion rubles on environmental measures since 2017. The CAQI for the city…