20. San Jose, California
> LawnStarter score: 43.5
> Resident satisfaction with city cleanliness: #28 worst out of 200 cities
> Avg daily PM2.5 (county): 9.1 micrograms per cubic meter
> Population: 1,027,690
19. Las Vegas, Nevada
> LawnStarter score: 43.6
> Resident satisfaction with city cleanliness: #31 worst out of 200 cities
> Avg daily PM2.5 (county): 10.8 micrograms per cubic meter
> Population: 634,773
18. Detroit, Michigan
> LawnStarter score: 44.1 (tie)
> Resident satisfaction with city cleanliness: #3 worst out of 200 cities
> Avg daily PM2.5 (county): 11.3 micrograms per cubic meter
> Population: 674,841
17. Anaheim, California
> LawnStarter score: 44.1 (tie)
> Resident satisfaction with city cleanliness: #22 worst out of 200 cities
> Avg daily PM2.5 (county): 9.4 micrograms per cubic meter
> Population: 349,964
16. Pasadena, California
> LawnStarter score: 44.3
> Resident satisfaction with city cleanliness: #107 worst out of 200 cities
> Avg daily PM2.5 (county): 12 micrograms per cubic meter
> Population: 141,258