| Italy |
| 107 | Abbadia Cerreto: Cascina San Cipriano, Abbadia Cerreto, Lodi, Lombardy, 26835, Italy | | Citizen Science project sensor.community 80272 |
| 4 | Anello del Cansiglio: Lame dei Negadi, Anello del Cansiglio, San Floriano, Fregona, UTI Livenza - Cansiglio - Cavallo, Treviso, Friuli Venezia Giulia, Italy | | Citizen Science project sensor.community 53277 |
| 152 | Arre -PD-: Via Padre Ruzzon, Arre, Padova, 35020, Italy | | Gaia realtime air quality monitoring network 425 |
| 69 | | | Open Sense 67f0134ec9899e000807c458 |
| 145 | | | Citizen Science project sensor.community 32347 |
| 151 | | | Gaia realtime air quality monitoring network 198 |
| 89 | Castellina: Ca' Garetti, Castellina, Cornovecchio, Lodi, Lombardy, 26847, Italy | | Citizen Science project sensor.community 82230 |
| 30 | | | Citizen Science project sensor.community 33403 |
| 104 | | | Citizen Science project sensor.community 39956 |
| 59 | Corso Svizzera: Corso Svizzera, Basse di Stura, Turin, Turin, Italy, 10149 | | Citizen Science project sensor.community 74799 |
| 16 | Cort: Cort, Tre Ville, Comunità delle Giudicarie, Provincia di Trento, Trentino-Alto Adige/Südtirol, 38079, Italy | | Citizen Science project sensor.community 63018 |
| 280 | Dorsoduro: Dorsoduro, Dorsoduro, Venice, Venezia, Italy | | Citizen Science project sensor.community 96945 |
| 150 | | | Gaia realtime air quality monitoring network 755 |
| 22 | | | Citizen Science project sensor.community 58360 |
| 158 | Galuppi-SI: Via Baldassarre Galuppi, Mestre, Venezia, Italy | | Gaia realtime air quality monitoring network 451 |
| 18 | Hubenstraße - Via Huben: Hubenstraße - Via Huben, Gestl, Kiens, Kiens - Chienes, Pustertal - Val Pusteria, South Tyrol, Trentino – Alto Adige/Südtirol, 39030, Italy | | Citizen Science project sensor.community 21630 |
| 95 | Kaulonia: Marina di Caulonia, Caulonia, Reggio Calabria, Calabria, 89041, Italy | | Gaia realtime air quality monitoring network 443 |
| -1 | LS/SP82: Unterried - Novale di Sotto, Lajen - Laion, Eisacktal - Valle Isarco, South Tyrol, Trentino-Alto Adige/Südtirol, 39040, Italy | | Citizen Science project sensor.community 33206 |
| 21 | Lambrate: Tamoil, Lambrate, Milan, Milano, Italy | | Citizen Science project sensor.community 50128 |
| 82 | Leverano: Leverano, Lecce, Apulia, 73045, Italy | | Citizen Science project sensor.community 83807 |
| 39 | | | Citizen Science project sensor.community 42144 |
| 33 | | | Citizen Science project sensor.community 42134 |
| 151 | MONTODINE01: Via Monsignor Ferdinando Guercilena, Montodine, Cremona, 26010, Italy | | Gaia realtime air quality monitoring network 757 |
| 153 | Majano: Tiveriacco / Trivià, Majano / Maian, Majano, Udine, Friuli – Venezia Giulia, 33030, Italy | | Gaia realtime air quality monitoring network 1021 |
| 0 | Mestre: Lidl, Mestre, Venezia, Italy | | Citizen Science project sensor.community 38783 |
| 165 | | | Gaia realtime air quality monitoring network 496 |
| 66 | Panos: Via Arquata, San Paolo, Turin, Turin, 10134, Italy | | Open Sense 5f56910de26476001cfd957a |
| 98 | | | Citizen Science project sensor.community 1959 |
| 152 | | | Citizen Science project sensor.community 53070 |
| 57 | | | Citizen Science project sensor.community 76115 |
| 79 | | | Citizen Science project sensor.community 93561 |
| 58 | | | Gaia realtime air quality monitoring network 249 |
| 49 | | | Gaia realtime air quality monitoring network 453 |
| 100 | | | Citizen Science project sensor.community 44706 |
| 80 | Rosarno: Rosarno, Reggio Calabria, Calabria, 89025, Italy | | Citizen Science project sensor.community 78066 |
| 60 | Sp654r: Sp654r, Bettola, Piacenza, Italy, 29021 | | Citizen Science project sensor.community 80623 |
| 18 | Ss2: Ss2, Zepponami, Viterbo, Italy, 01027 | | Citizen Science project sensor.community 58366 |
| -1 | St Georgen: In der Lahn, St. Georgen, St. Georgen - San Giorgio, Bruneck - Brunico, Pustertal - Val Pusteria, South Tyrol, Trentino – Alto Adige/Südtirol, 39031, Italy | | Oschpile 181839 |
| 90 | | | Citizen Science project sensor.community 78120 |
| 121 | | | Citizen Science project sensor.community 86231 |
| 22 | | | Citizen Science project sensor.community 76894 |
| 91 | | | Citizen Science project sensor.community 82865 |
| 157 | | | Citizen Science project sensor.community 43578 |
| 68 | | | Citizen Science project sensor.community 88091 |
| 24 | | | Citizen Science project sensor.community 78290 |
| 59 | | | Citizen Science project sensor.community 96848 |
| 35 | | | Citizen Science project sensor.community 71403 |
| 94 | | | Citizen Science project sensor.community 38787 |
| 9 | Via Assisi: Via Assisi, Collatino, Rome, Rome, Italy | | Citizen Science project sensor.community 54947 |
| 78 | | | Citizen Science project sensor.community 63701 |
| 154 | | | Citizen Science project sensor.community 45392 |
| 82 | | | Citizen Science project sensor.community 94056 |
| 108 | | | Citizen Science project sensor.community 14007 |
| 74 | Via Breo: Via Breo, Piove di Sacco, Padova, Italy, 35028 | | Citizen Science project sensor.community 61739 |
| 88 | | | Citizen Science project sensor.community 55688 |
| 152 | | | Citizen Science project sensor.community 28174 |
| 27 | | | Citizen Science project sensor.community 40905 |
| 152 | Via Canale: Via Canale, Casalgrande, Reggio Nell'Emilia, Italy | | Citizen Science project sensor.community 57675 |
| 46 | | | Citizen Science project sensor.community 69795 |
| 54 | | | Citizen Science project sensor.community 53638 |
| 39 | | | Citizen Science project sensor.community 76775 |
| 79 | | | Citizen Science project sensor.community 9942 |
| 123 | | | Citizen Science project sensor.community 23428 |
| 113 | | | Citizen Science project sensor.community 88823 |
| 14 | Via Clelia: Via Clelia, Appio-Latino, Rome, Rome, Italy, 00181 | | Citizen Science project sensor.community 40537 |
| 64 | | | Citizen Science project sensor.community 48391 |
| 73 | | | Citizen Science project sensor.community 88235 |
| 55 | | | Citizen Science project sensor.community 40014 |
| -1 | | | Citizen Science project sensor.community 32323 |
| 22 | | | Citizen Science project sensor.community 32399 |
| 43 | Via Dante De Donno: Stadio Comunale Antonio Tamborino, Via Dante De Donno, Maglie, Lecce, Apulia, 73024, Italy | | Citizen Science project sensor.community 52610 |
| 17 | Via Dazio: Via Dazio, Alessandria, Alessandria, 15122, Italy | | Citizen Science project sensor.community 88358 |
| 155 | | | Citizen Science project sensor.community 87372 |
| 81 | | | Citizen Science project sensor.community 50567 |
| 37 | | | Citizen Science project sensor.community 43566 |
| -1 | | | Citizen Science project sensor.community 35805 |
| 71 | | | Citizen Science project sensor.community 76867 |
| 158 | | | Citizen Science project sensor.community 23290 |
| 105 | | | Citizen Science project sensor.community 18818 |
| 78 | | | Citizen Science project sensor.community 18084 |