Survey on Households and the Environment 
Classification by characteristics of the dwelling
Percentage of dwellings whose residents have suffered problems with odours in their surroundings, by type of municipality and cause, and which have taken some measure
Units: %  over the total number of dwellings

	With an odour problem	Due to smoke, tobacco etc.	Pipelines, sewerage, etc, ...	Farms	Industries (food, fishing, workshops, etc,...)	Trade (supermarkets, fishmongers, etc.)	Litter bins	Dumps	Other causes	Have taken some measure against odours (*)	
TOTAL	20.3	1.2	11.6	2.8	1.7	0.6	1.8	0.9	3.4	29.1	
Provincial capitals and municipalities with more than 100,000 inhabitants	22.4	1.8	14.4	1.0	1.6	0.7	2.2	0.9	4.2	28.6	
50,000 to 100,000 inhabitants	20.8	1.3	13.4	3.2	1.6	0.8	1.7	1.6	2.2	29.6	
20,000 to 50,000 inhabitants	18.7	0.9	10.9	2.4	1.3	0.5	1.6	0.8	3.2	30.7	
10,000 to 20,000 inhabitants	21.4	0.9	11.0	4.1	2.3	0.4	1.8	0.8	3.2	32.0	
Fewer than 10,000 inhabitants	16.5	0.3	5.9	5.7	1.8	0.2	1.5	0.9	2.3	26.9	
Notes:
1) (*) % over the total number of dwellings with odours problems
Source: National Statistics Institute