| Italy |
| 11 | | | Citizen Science project sensor.community 86924 |
| 39 | Arre -PD-: Via Padre Ruzzon, Arre, Padova, 35020, Italy | | Gaia realtime air quality monitoring network 425 |
| 47 | | | Gaia realtime air quality monitoring network 198 |
| 88 | | | Gaia realtime air quality monitoring network 755 |
| 26 | Galuppi-SI: Via Baldassarre Galuppi, Mestre, Venezia, Italy | | Gaia realtime air quality monitoring network 451 |
| 21 | Lambrate: Tamoil, Lambrate, Milan, Milano, Italy | | Citizen Science project sensor.community 50128 |
| 95 | MONTODINE01: Via Monsignor Ferdinando Guercilena, Montodine, Cremona, 26010, Italy | | Gaia realtime air quality monitoring network 757 |
| 30 | Majano: Tiveriacco / Trivià, Majano / Maian, Majano, Udine, Friuli – Venezia Giulia, 33030, Italy | | Gaia realtime air quality monitoring network 1021 |
| 31 | | | Citizen Science project sensor.community 31724 |
| 34 | | | Gaia realtime air quality monitoring network 496 |
| 13 | | | Citizen Science project sensor.community 92606 |
| 11 | | | Citizen Science project sensor.community 35646 |
| 53 | | | Citizen Science project sensor.community 1959 |
| 45 | | | Gaia realtime air quality monitoring network 249 |
| 52 | | | Gaia realtime air quality monitoring network 453 |
| 11 | | | Citizen Science project sensor.community 44706 |
| 12 | SP199: Cicciano, Napoli, Campania, 80033, Italy | | Citizen Science project sensor.community 47733 |
| 37 | 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 |
| 46 | | | Citizen Science project sensor.community 39982 |
| 12 | | | Citizen Science project sensor.community 46781 |
| 11 | Via Antonello da Messina: Viola Palace Hotel, 90, Via Antonello da Messina, Divieto, Villafranca Tirrena, Messina, Sicily, 98049, Italy | | Citizen Science project sensor.community 64814 |
| 38 | | | Citizen Science project sensor.community 87355 |
| 0 | | | Citizen Science project sensor.community 25395 |
| 22 | | | Citizen Science project sensor.community 40905 |
| 4 | Via Campagnola: Via Campagnola, San Odorico, Sacile, UTI Livenza - Cansiglio - Cavallo, Friuli Venezia Giulia, 33077, Italy | | Citizen Science project sensor.community 40997 |
| 10 | | | Citizen Science project sensor.community 47922 |
| 21 | | | Citizen Science project sensor.community 86290 |
| 11 | Via Cisternini: Via Cisternini, Borgo Navarons, Privilegio, Spilimbergo, UTI del Tagliamento, Friuli Venezia Giulia, 33097, Italy | | Citizen Science project sensor.community 82479 |
| 9 | | | Citizen Science project sensor.community 96371 |
| 79 | | | Citizen Science project sensor.community 50567 |
| 21 | | | Citizen Science project sensor.community 23290 |
| 21 | | | Citizen Science project sensor.community 18818 |
| 55 | | | Citizen Science project sensor.community 18084 |
| 21 | | | Citizen Science project sensor.community 26620 |
| 25 | | | Citizen Science project sensor.community 57418 |
| 77 | | | Citizen Science project sensor.community 44270 |
| 0 | Via Giuseppe Caprin: Via Giuseppe Caprin, Case Noris, Gorizia, UTI Collio - Alto Isonzo, Friuli Venezia Giulia, 34170, Italy | | Citizen Science project sensor.community 42910 |
| 29 | | | Citizen Science project sensor.community 81054 |
| 39 | | | Citizen Science project sensor.community 46951 |
| 46 | Via Iseo: Via Iseo, Maleo, Lodi, Italy, 26847 | | Citizen Science project sensor.community 82226 |
| 21 | | | AirNet - aiqcn.org - waqi.info 100298 |
| 0 | | | Citizen Science project sensor.community 59062 |
| 29 | | | Citizen Science project sensor.community 62683 |
| 76 | | | Citizen Science project sensor.community 86866 |
| 63 | | | Citizen Science project sensor.community 88585 |
| 70 | Via Medina: Via Medina, Naples, Napoli, 80133, Italy | | Gaia realtime air quality monitoring network 514 |
| 14 | | | Citizen Science project sensor.community 96623 |
| 48 | Via Plezzo: Via Plezzo, Quartiere Feltre, Milan, Milano, 20132, Italy | | Citizen Science project sensor.community 98890 |
| 23 | | | Citizen Science project sensor.community 24644 |
| 15 | | | Citizen Science project sensor.community 44470 |
| 14 | | | Citizen Science project sensor.community 85919 |
| 9 | Via San Giovanni: Via San Giovanni, Tauriano, Spilimbergo, Pordenone, Friuli-Venezia Giulia, 33097, Italy | | Citizen Science project sensor.community 81870 |
| 88 | | | AirNet - aiqcn.org - waqi.info 100345 |
| 22 | Via Visinale: Via Visinale, Fanna, Pordenone, Friuli-Venezia Giulia, 33092, Italy | | Citizen Science project sensor.community 81872 |
| 11 | Via Vittorio Emanuele: Basilica di San Salvatore, Via Vittorio Emanuele, Sanarica, Lecce, Apulia, 73030, Italy | | Citizen Science project sensor.community 98719 |
| 15 | | | Citizen Science project sensor.community 41167 |
| 25 | Via dei Caduti: Condominio Monte Orno, Via dei Caduti, Centrale, Serso, Pergine Valsugana, Comunità Alta Valsugana e Bersntol, Provincia di Trento, Trentino-Alto Adige/Südtirol, 38057, Italy | | Citizen Science project sensor.community 51531 |
| 14 | Via dei Cipressi: Via dei Cipressi, San Odorico, Sacile, UTI Livenza - Cansiglio - Cavallo, Friuli Venezia Giulia, 33077, Italy | | Citizen Science project sensor.community 40282 |
| 14 | Via delle Spòne: Madrano, Pergine Valsugana, Comunità Alta Valsugana e Bersntol, Provincia di Trento, Trentino-Alto Adige/Südtirol, 38045, Italy | | Citizen Science project sensor.community 79524 |
| 26 | Via dello Statuto: Via dello Statuto, Reggio Emilia, Reggio Nell'Emilia, Italy, 42121 | | Citizen Science project sensor.community 73108 |
| 64 | | | AirNet - aiqcn.org - waqi.info 100379 |
| 43 | Abbadia Cerreto: Cascina San Cipriano, Abbadia Cerreto, Lodi, Lombardy, 26835, Italy | | Citizen Science project sensor.community 80272 |
| 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 |
| 9 | | | Open Sense 67f0134ec9899e000807c458 |
| 46 | | | Citizen Science project sensor.community 32347 |
| 66 | Castellina: Ca' Garetti, Castellina, Cornovecchio, Lodi, Lombardy, 26847, Italy | | Citizen Science project sensor.community 82230 |
| 9 | | | Citizen Science project sensor.community 33403 |
| 13 | | | Citizen Science project sensor.community 53690 |
| 29 | | | Citizen Science project sensor.community 39956 |
| 15 | Corso Svizzera: Corso Svizzera, Basse di Stura, Turin, Turin, Italy, 10149 | | Citizen Science project sensor.community 74799 |
| 15 | Cort: Cort, Tre Ville, Comunità delle Giudicarie, Provincia di Trento, Trentino-Alto Adige/Südtirol, 38079, Italy | | Citizen Science project sensor.community 63018 |
| 11 | Dorsoduro: Dorsoduro, Dorsoduro, Venice, Venezia, Italy | | Citizen Science project sensor.community 96945 |
| 3 | | | Citizen Science project sensor.community 12631 |
| 18 | Ferrara di Monte Baldo: Osservatoio Astronomico del Monte Baldo Angelo Geloni, Ferrara di Monte Baldo, Ferrara Di Monte Baldo, Verona, Italy, 37020 | | Citizen Science project sensor.community 49053 |
| 11 | | | Citizen Science project sensor.community 58360 |
| 14 | 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 |
| 12 | Kaulonia: Marina di Caulonia, Caulonia, Reggio Calabria, Calabria, 89041, Italy | | Gaia realtime air quality monitoring network 443 |
| 13 | 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 |
| 65 | | | Citizen Science project sensor.community 77349 |
| 39 | | | Citizen Science project sensor.community 41972 |