| Italy |
| 82 | Abbadia Cerreto: Cascina San Cipriano, Abbadia Cerreto, Lodi, Lombardy, 26835, Italy | | Citizen Science project sensor.community 80272 |
| 81 | | | Citizen Science project sensor.community 86924 |
| 2 | 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 |
| 156 | Arre -PD-: Via Padre Ruzzon, Arre, Padova, 35020, Italy | | Gaia realtime air quality monitoring network 425 |
| 66 | | | Open Sense 67f0134ec9899e000807c458 |
| 51 | | | Citizen Science project sensor.community 32347 |
| 87 | | | Gaia realtime air quality monitoring network 198 |
| 86 | Castellina: Ca' Garetti, Castellina, Cornovecchio, Lodi, Lombardy, 26847, Italy | | Citizen Science project sensor.community 82230 |
| 34 | Corso Svizzera: Corso Svizzera, Basse di Stura, Turin, Turin, Italy, 10149 | | Citizen Science project sensor.community 74799 |
| 11 | Fabro: Parcheggio Via degli Orti, Fabro, Terni, Italy | | Citizen Science project sensor.community 40351 |
| 92 | | | Gaia realtime air quality monitoring network 755 |
| 15 | | | Citizen Science project sensor.community 58360 |
| 154 | Galuppi-SI: Via Baldassarre Galuppi, Mestre, Venezia, Italy | | Gaia realtime air quality monitoring network 451 |
| 34 | 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 |
| 68 | Kaulonia: Marina di Caulonia, Caulonia, Reggio Calabria, Calabria, 89041, Italy | | Gaia realtime air quality monitoring network 443 |
| 11 | 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 |
| 23 | Landstraße - Via Vitt. Veneto: Landstraße - Via Vitt. Veneto, Vallatsch - Casone, Graun - Curon Venosta, Vinschgau - Val Venosta, South Tyrol, Trentino-Alto Adige/Südtirol, 39027, Italy | | Citizen Science project sensor.community 63195 |
| 63 | | | Citizen Science project sensor.community 77349 |
| 30 | | | Citizen Science project sensor.community 41972 |
| 49 | | | Citizen Science project sensor.community 42144 |
| 139 | MONTODINE01: Via Monsignor Ferdinando Guercilena, Montodine, Cremona, 26010, Italy | | Gaia realtime air quality monitoring network 757 |
| 104 | Majano: Tiveriacco / Trivià, Majano / Maian, Majano, Udine, Friuli – Venezia Giulia, 33030, Italy | | Gaia realtime air quality monitoring network 1021 |
| 55 | | | Citizen Science project sensor.community 31724 |
| 0 | Mestre: Lidl, Mestre, Venezia, Italy | | Citizen Science project sensor.community 38783 |
| 111 | | | Gaia realtime air quality monitoring network 496 |
| 22 | | | Citizen Science project sensor.community 92606 |
| 107 | | | Citizen Science project sensor.community 35646 |
| 21 | | | Citizen Science project sensor.community 65230 |
| 55 | | | Citizen Science project sensor.community 79631 |
| 70 | | | Citizen Science project sensor.community 73136 |
| 42 | | | Citizen Science project sensor.community 73004 |
| 73 | | | Citizen Science project sensor.community 76115 |
| 54 | | | Gaia realtime air quality monitoring network 249 |
| 40 | | | Gaia realtime air quality monitoring network 453 |
| 38 | Ragusa: Case Mandarà, Ragusa, Sicily, 97100, Italy | | Citizen Science project sensor.community 42016 |
| 34 | Rain: Rain, Kurtatsch - Cortaccia, Überetsch-Unterland - Oltradige-Bassa Atesina, South Tyrol, Trentino-Alto Adige/Südtirol, 39040, Italy | | Citizen Science project sensor.community 9986 |
| 28 | | | Citizen Science project sensor.community 54741 |
| 80 | | | Citizen Science project sensor.community 52025 |
| 106 | Sp112: Sp112, Roncade, Treviso, Italy, 31056 | | Citizen Science project sensor.community 53581 |
| 91 | Ss2: Ss2, Zepponami, Viterbo, Italy, 01027 | | Citizen Science project sensor.community 58366 |
| 67 | 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 |
| 20 | | | Citizen Science project sensor.community 78120 |
| 71 | | | Citizen Science project sensor.community 86231 |
| 48 | | | Citizen Science project sensor.community 39982 |
| 56 | | | Citizen Science project sensor.community 43578 |
| 66 | | | Citizen Science project sensor.community 27261 |
| 63 | Via Angelo Angeli: Via Angelo Angeli, Borgo Villalta, Udine, UTI del Friuli Centrale, Friuli Venezia Giulia, 33100, Italy | | Citizen Science project sensor.community 23378 |
| 81 | | | Citizen Science project sensor.community 38787 |
| 42 | | | Citizen Science project sensor.community 87355 |
| 27 | Via Assisi: Via Assisi, Collatino, Rome, Rome, Italy | | Citizen Science project sensor.community 54947 |
| 60 | | | Citizen Science project sensor.community 86296 |
| 3 | | | Citizen Science project sensor.community 25395 |
| 41 | Via Bassana: Via Bassana, Preara, Vicenza, 36030, Italy | | Citizen Science project sensor.community 95797 |
| 55 | | | Citizen Science project sensor.community 45392 |
| 56 | | | Citizen Science project sensor.community 94056 |
| 8 | | | Citizen Science project sensor.community 67828 |
| 44 | | | Citizen Science project sensor.community 55688 |
| 58 | | | Citizen Science project sensor.community 28174 |
| 32 | | | Citizen Science project sensor.community 69795 |
| 70 | | | Citizen Science project sensor.community 9942 |
| 61 | | | Citizen Science project sensor.community 64816 |
| 35 | Via Clelia: Via Clelia, Appio-Latino, Rome, Rome, Italy, 00181 | | Citizen Science project sensor.community 40537 |
| 82 | | | Citizen Science project sensor.community 66696 |
| 44 | | | Citizen Science project sensor.community 48391 |
| 66 | Via Corazzin: Arcade, Province of Treviso, Veneto, 31030, Italy | | Citizen Science project sensor.community 98101 |
| 55 | | | Citizen Science project sensor.community 42124 |
| 27 | | | Citizen Science project sensor.community 40014 |
| 110 | | | Citizen Science project sensor.community 32323 |
| 60 | | | Citizen Science project sensor.community 50567 |
| 31 | | | Citizen Science project sensor.community 70949 |
| 30 | | | Citizen Science project sensor.community 43566 |
| 68 | | | Citizen Science project sensor.community 55312 |
| 35 | | | Citizen Science project sensor.community 76867 |
| 61 | | | Citizen Science project sensor.community 23290 |
| 62 | | | Citizen Science project sensor.community 23730 |
| 83 | | | Citizen Science project sensor.community 18818 |
| 60 | | | Citizen Science project sensor.community 18084 |
| 58 | | | Citizen Science project sensor.community 82180 |
| 38 | Via Falcona: Al ponte, Via Falcona, Sud-Est, San Martino Buon Albergo, Verona, Veneto, 37036, Italy | | Citizen Science project sensor.community 77400 |
| 127 | | | Citizen Science project sensor.community 32393 |