In Rospotrebnadzor they talked about air quality in Krasnoyarsk
The department’s website reports that 200 atmospheric air studies were conducted in April: security indicators: “These are nitrogen dioxide, suspended substances, suspended PM10 and PM2.5 particles, hydroftoral, dioxide sulfur, resinny substances, carbon monoxide, formaldehyde, inorganic poorly soluble fluorides. Excess of hygiene standards is not registered.