Long-Term Dynamics of Urban Soil Pollution with Heavy Metals in Moscow

Table 1

Levels of landscape pollution with HMs and dust [14].

Levels of pollution	Dust deposition , kg/km^2 per day	Total indices of
		HM immission	Snow pollution	Soil pollution
Low	<200	<1000	<32	<16
Medium	200–300	1000–2000	32–64	16–32
High	300–500	2000–4000	64–128	32–64
Very high	500–800	4000–8000	128–256	64–128
Maximum	>800	>8000	>256	>128