Air quality standards

Air quality standards

SO2 – sulfur dioxide

A colorless gas with a sharp, pungent odor, severely irritating to the respiratory tract

WHO: 350 μg/m3 (1 Hour)
Poland: 350 μg/m3 (1 Hour)

C6H6 – benzene

It burns with a smoky flame, It is toxic and also carcinogenic, has a narcotic effect.

WHO: 5 μg/m3 (1 Year)
Poland: 5 μg/m3 (1 Year)

PM10 – suspended dust

It consists of a mixture of organic and inorganic particles less than 10 microns in diameter (= <10 μm)

WHO: 50 μg/m3 (24 Hours)
Poland: 50 μg/m3 (24 Hours)

O3 – ozone

Ozone – harmful gas formed near and in urban areas and in conditions of high sunlight and high temperature. His presence is associated with a large amount of car exhaust pollution.

WHO: 120 μg/m3 (8 Hours)
Poland: 120 μg/m3 (8 Hours)

NO2 – nitrogen dioxide

Brown highly toxic gas with a pungent odor arising mainly emitted by cars.

WHO: 200 μg/m3 (1 Hour)
Poland: 200 μg/m3 (1 Hour)

PM2,5 – suspended dust

consists of a mixture of organic and inorganic particles smaller than 10 micrometres (= <2.5 μm). It can reach the upper respiratory tract, lungs and penetrate the blood.

WHO: 10 μg/m3 (1 Year)
Poland: 25 μg/m3 (1 Year)

CO – carbon monoxide

It is highly toxic and lethal, causes general weakness, shortness of breath, headaches and dizziness. Reduces the effectiveness of the blood to transport oxygen to the cells. The sources are volcanic eruptions and forest fires, but also industry (where fuel is coal, oil), low emissions and cars

WHO: 10.000 μg/m3 (8 Hours)
Poland: 10.000 μg/m3 (8 Hours)