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3487 Studies found for: during AND air

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Map Legend
Region Name Number of Studies
World [map] 3,487
Europe 1,239
Austria 54 [studies]
Belgium 134 [studies]
Bosnia and Herzegovina 2 [studies]
Bulgaria 42 [studies]
Croatia 20 [studies]
Czech Republic 26 [studies]
Denmark 88 [studies]
Estonia 20 [studies]
Finland 25 [studies]
France 313 [studies]
Germany 241 [studies]
Greece 47 [studies]
Hungary 65 [studies]
Iceland 1 [studies]
Ireland 23 [studies]
Italy 173 [studies]
Latvia 21 [studies]
Lithuania 20 [studies]
Macedonia, The Former Yugoslav Republic of 1 [studies]
Netherlands 144 [studies]
Norway 51 [studies]
Poland 124 [studies]
Portugal 27 [studies]
Romania 56 [studies]
Serbia 15 [studies]
Slovakia 27 [studies]
Slovenia 11 [studies]
Spain 176 [studies]
Sweden 122 [studies]
Switzerland 102 [studies]
United Kingdom 243 [studies]

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Studies with no locations are not included in the counts or on the map.

Studies with multiple locations are included in each region containing locations.