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Air quality index (ICQA)

Air quality index AQI. 2019
Vigilance network Towns/cities of location Maximum value Minimum value Average value
Badalona 82 -94 55
Barcelona 83 -68 53
Constantí 77 -105 54
Granollers 83 -96 48
L'Hospitalet de Llobregat 83 -65 58
Igualada 85 -42 50
Lleida 86 -69 57
Manlleu 78 -102 45
Manresa 86 -81 52
Martorell 87 -52 63
Mataró 78 -83 51
Mollet del Vallès 88 30 57
Montcada i Reixac 76 -71 53
Reus 77 -88 54
Sabadell 79 -102 54
Sant Adrià de Besòs 79 -88 49
Sant Andreu de la Barca 88 28 63
Sant Celoni 79 -53 53
Sant Cugat del Vallès 87 -8 60
Sant Vicenç dels Horts 96 -98 53
Santa Coloma de Gramenet 94 21 64
Tarragona 89 -35 58
Terrassa 81 -103 51
Vic 91 -51 52
Vilafranca del Penedès 81 -24 55
Vilanova i la Geltrú 80 19 61
Vila-seca 76 -60 55
Source: Ministry of Territory and Sustainability.
AQI This index is produced using data for the main atmospheric contaminants: SO2, NO2, O3, CO, PM10 and benzene. It can take values between -100 (poorest quality) and 100 (best quality).
Note: Barcelona's AQI is the mean between the Eixample, Ciutadella, Gràcia, Palau Reial, Poblenou, Sants and Vall d'Hebron districts. Tarragona's AQI is the mean between the Bonavista, Parc de la Ciutat, Universitat Laboral and Sant Salvador districts.
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