ToClearSkies
Canada & United States · 200 cities · Last scan Jul 22, 10:27 a.m. EDT · 34 min ago

City air leaderboard

Every city we cover, ranked by its air at our last hourly check. Pick yours for its cigarettes-per-week count and the cleanest air within a one- to eight-hour drive.

Search covers Canada and the United States.

Today’s ranking

  1. 1SacramentoCalifornia≈ <0.1 cigs/wk · 0.1 µg/m³Cleanest today
  2. 2SherbrookeQuebec≈ 0.2 cigs/wk · 0.7 µg/m³
  3. 3EriePennsylvania≈ 0.2 cigs/wk · 0.7 µg/m³
  4. 4LondonOntario≈ 0.3 cigs/wk · 1 µg/m³
  5. 5BarrieOntario≈ 0.3 cigs/wk · 1 µg/m³
  6. 6GuelphOntario≈ 0.3 cigs/wk · 1 µg/m³
  7. 7PeterboroughOntario≈ 0.3 cigs/wk · 1 µg/m³
  8. 8MississaugaOntario≈ 0.3 cigs/wk · 1 µg/m³
  9. 9BramptonOntario≈ 0.3 cigs/wk · 1 µg/m³
  10. 10San FranciscoCalifornia≈ 0.3 cigs/wk · 1 µg/m³
  11. 11StocktonCalifornia≈ 0.3 cigs/wk · 1 µg/m³
  12. 12AnchorageAlaska≈ 0.3 cigs/wk · 1 µg/m³
  13. 13BellevilleOntario≈ 0.3 cigs/wk · 1 µg/m³
  14. 14FrederictonNew Brunswick≈ 0.6 cigs/wk · 1.8 µg/m³
  15. 15TorontoOntario≈ 0.6 cigs/wk · 2 µg/m³
  16. 16OttawaOntario≈ 0.6 cigs/wk · 2 µg/m³
  17. 17Kitchener-WaterlooOntario≈ 0.6 cigs/wk · 2 µg/m³
  18. 18OshawaOntario≈ 0.6 cigs/wk · 2 µg/m³
  19. 19St. CatharinesOntario≈ 0.6 cigs/wk · 2 µg/m³
  20. 20KingstonOntario≈ 0.6 cigs/wk · 2 µg/m³
  21. 21North BayOntario≈ 0.6 cigs/wk · 2 µg/m³
  22. 22San JoseCalifornia≈ 0.6 cigs/wk · 2 µg/m³
  23. 23TucsonArizona≈ 0.6 cigs/wk · 2 µg/m³
  24. 24BuffaloNew York≈ 0.6 cigs/wk · 2 µg/m³
  25. 25BakersfieldCalifornia≈ 0.6 cigs/wk · 2 µg/m³
  26. 26MarkhamOntario≈ 0.6 cigs/wk · 2 µg/m³
  27. 27VaughanOntario≈ 0.6 cigs/wk · 2 µg/m³
  28. 28MonctonNew Brunswick≈ 0.7 cigs/wk · 2.2 µg/m³
  29. 29WhitehorseYukon≈ 0.7 cigs/wk · 2.2 µg/m³
  30. 30ModestoCalifornia≈ 0.7 cigs/wk · 2.2 µg/m³
  31. 31ColumbusOhio≈ 0.8 cigs/wk · 2.4 µg/m³
  32. 32AkronOhio≈ 0.8 cigs/wk · 2.4 µg/m³
  33. 33Fort WayneIndiana≈ 0.8 cigs/wk · 2.5 µg/m³
  34. 34RochesterNew York≈ 0.8 cigs/wk · 2.6 µg/m³
  35. 35CantonOhio≈ 0.8 cigs/wk · 2.6 µg/m³
  36. 36Saint JohnNew Brunswick≈ 0.9 cigs/wk · 2.7 µg/m³
  37. 37MadisonWisconsin≈ 0.9 cigs/wk · 2.8 µg/m³
  38. 38ClevelandOhio≈ 0.9 cigs/wk · 2.9 µg/m³
  39. 39DaytonOhio≈ 0.9 cigs/wk · 2.9 µg/m³
  40. 40SyracuseNew York≈ 0.9 cigs/wk · 2.9 µg/m³
  41. 41WindsorOntario≈ 1.0 cigs/wk · 3 µg/m³
  42. 42Greater SudburyOntario≈ 1.0 cigs/wk · 3 µg/m³
  43. 43DetroitMichigan≈ 1.0 cigs/wk · 3 µg/m³
  44. 44ToledoOhio≈ 1.0 cigs/wk · 3 µg/m³
  45. 45IndianapolisIndiana≈ 1.1 cigs/wk · 3.3 µg/m³
  46. 46YoungstownOhio≈ 1.1 cigs/wk · 3.4 µg/m³
  47. 47CincinnatiOhio≈ 1.1 cigs/wk · 3.5 µg/m³
  48. 48RockfordIllinois≈ 1.1 cigs/wk · 3.5 µg/m³
  49. 49AnaheimCalifornia≈ 1.1 cigs/wk · 3.5 µg/m³
  50. 50San DiegoCalifornia≈ 1.1 cigs/wk · 3.6 µg/m³
  51. 51MinneapolisMinnesota≈ 1.1 cigs/wk · 3.6 µg/m³
  52. 52HonoluluHawaii≈ 1.2 cigs/wk · 3.7 µg/m³
  53. 53MilwaukeeWisconsin≈ 1.2 cigs/wk · 3.9 µg/m³
  54. 54Sault Ste. MarieOntario≈ 1.3 cigs/wk · 4 µg/m³
  55. 55ReddingCalifornia≈ 1.3 cigs/wk · 4 µg/m³
  56. 56BrantfordOntario≈ 1.3 cigs/wk · 4 µg/m³
  57. 57MesaArizona≈ 1.3 cigs/wk · 4.1 µg/m³
  58. 58AlbuquerqueNew Mexico≈ 1.4 cigs/wk · 4.5 µg/m³
  59. 59ProvidenceRhode Island≈ 1.4 cigs/wk · 4.5 µg/m³
  60. 60Grand RapidsMichigan≈ 1.4 cigs/wk · 4.5 µg/m³
  61. 61PhoenixArizona≈ 1.5 cigs/wk · 4.6 µg/m³
  62. 62Green BayWisconsin≈ 1.5 cigs/wk · 4.6 µg/m³
  63. 63NashvilleTennessee≈ 1.5 cigs/wk · 4.8 µg/m³
  64. 64BaltimoreMaryland≈ 1.6 cigs/wk · 5 µg/m³
  65. 65LavalQuebec≈ 1.6 cigs/wk · 5 µg/m³
  66. 66PittsburghPennsylvania≈ 1.6 cigs/wk · 5.1 µg/m³
  67. 67PeoriaIllinois≈ 1.6 cigs/wk · 5.1 µg/m³
  68. 68WinnipegManitoba≈ 1.7 cigs/wk · 5.3 µg/m³
  69. 69HendersonNevada≈ 1.7 cigs/wk · 5.3 µg/m³
  70. 70SaguenayQuebec≈ 1.7 cigs/wk · 5.4 µg/m³
  71. 71Thunder BayOntario≈ 1.7 cigs/wk · 5.4 µg/m³
  72. 72ChicagoIllinois≈ 1.8 cigs/wk · 5.5 µg/m³
  73. 73MedfordOregon≈ 1.8 cigs/wk · 5.5 µg/m³
  74. 74Sioux FallsSouth Dakota≈ 1.8 cigs/wk · 5.7 µg/m³
  75. 75YumaArizona≈ 1.8 cigs/wk · 5.7 µg/m³
  76. 76MontréalQuebec≈ 1.9 cigs/wk · 5.9 µg/m³
  77. 77AlbanyNew York≈ 1.9 cigs/wk · 5.9 µg/m³
  78. 78SpringfieldMissouri≈ 1.9 cigs/wk · 5.9 µg/m³
  79. 79New York CityNew York≈ 1.9 cigs/wk · 6 µg/m³
  80. 80WorcesterMassachusetts≈ 1.9 cigs/wk · 6 µg/m³
  81. 81MiamiFlorida≈ 2.0 cigs/wk · 6.2 µg/m³
  82. 82ProvoUtah≈ 2.0 cigs/wk · 6.2 µg/m³
  83. 83Salt Lake CityUtah≈ 2.0 cigs/wk · 6.4 µg/m³
  84. 84SarasotaFlorida≈ 2.0 cigs/wk · 6.4 µg/m³
  85. 85BostonMassachusetts≈ 2.1 cigs/wk · 6.5 µg/m³
  86. 86JacksonMississippi≈ 2.1 cigs/wk · 6.6 µg/m³
  87. 87FargoNorth Dakota≈ 2.1 cigs/wk · 6.6 µg/m³
  88. 88SpringfieldMassachusetts≈ 2.1 cigs/wk · 6.6 µg/m³
  89. 89ChicoCalifornia≈ 2.1 cigs/wk · 6.7 µg/m³
  90. 90MobileAlabama≈ 2.1 cigs/wk · 6.7 µg/m³
  91. 91Fort MyersFlorida≈ 2.2 cigs/wk · 6.8 µg/m³
  92. 92St. LouisMissouri≈ 2.3 cigs/wk · 7.1 µg/m³
  93. 93San BernardinoCalifornia≈ 2.3 cigs/wk · 7.1 µg/m³
  94. 94HalifaxNova Scotia≈ 2.3 cigs/wk · 7.2 µg/m³
  95. 95Baton RougeLouisiana≈ 2.3 cigs/wk · 7.2 µg/m³
  96. 96BoulderColorado≈ 2.3 cigs/wk · 7.2 µg/m³
  97. 97AuroraColorado≈ 2.3 cigs/wk · 7.3 µg/m³
  98. 98Los AngelesCalifornia≈ 2.4 cigs/wk · 7.4 µg/m³
  99. 99DurhamNorth Carolina≈ 2.4 cigs/wk · 7.4 µg/m³
  100. 100DenverColorado≈ 2.5 cigs/wk · 7.8 µg/m³
  101. 101KnoxvilleTennessee≈ 2.5 cigs/wk · 7.8 µg/m³
  102. 102AllentownPennsylvania≈ 2.5 cigs/wk · 7.9 µg/m³
  103. 103St. PetersburgFlorida≈ 2.5 cigs/wk · 7.9 µg/m³
  104. 104HamiltonOntario≈ 2.5 cigs/wk · 8 µg/m³
  105. 105Trois-RivièresQuebec≈ 2.5 cigs/wk · 8 µg/m³
  106. 106HartfordConnecticut≈ 2.5 cigs/wk · 8 µg/m³
  107. 107Des MoinesIowa≈ 2.5 cigs/wk · 8 µg/m³
  108. 108OrlandoFlorida≈ 2.6 cigs/wk · 8.1 µg/m³
  109. 109RichmondVirginia≈ 2.6 cigs/wk · 8.1 µg/m³
  110. 110El PasoTexas≈ 2.6 cigs/wk · 8.1 µg/m³
  111. 111RiversideCalifornia≈ 2.6 cigs/wk · 8.2 µg/m³
  112. 112PhiladelphiaPennsylvania≈ 2.6 cigs/wk · 8.3 µg/m³
  113. 113Las VegasNevada≈ 2.7 cigs/wk · 8.5 µg/m³
  114. 114PortlandOregon≈ 2.7 cigs/wk · 8.6 µg/m³
  115. 115AmarilloTexas≈ 2.8 cigs/wk · 8.7 µg/m³
  116. 116New OrleansLouisiana≈ 2.9 cigs/wk · 9 µg/m³
  117. 117Québec CityQuebec≈ 2.9 cigs/wk · 9.1 µg/m³
  118. 118BillingsMontana≈ 2.9 cigs/wk · 9.1 µg/m³
  119. 119LexingtonKentucky≈ 2.9 cigs/wk · 9.1 µg/m³
  120. 120ScrantonPennsylvania≈ 2.9 cigs/wk · 9.2 µg/m³
  121. 121CharlestonSouth Carolina≈ 3.1 cigs/wk · 9.6 µg/m³
  122. 122HarrisburgPennsylvania≈ 3.1 cigs/wk · 9.7 µg/m³
  123. 123LouisvilleKentucky≈ 3.1 cigs/wk · 9.9 µg/m³
  124. 124Fort CollinsColorado≈ 3.1 cigs/wk · 9.9 µg/m³
  125. 125FresnoCalifornia≈ 3.2 cigs/wk · 10 µg/m³
  126. 126RenoNevada≈ 3.2 cigs/wk · 10 µg/m³
  127. 127GreensboroNorth Carolina≈ 3.2 cigs/wk · 10.1 µg/m³
  128. 128RaleighNorth Carolina≈ 3.2 cigs/wk · 10.2 µg/m³
  129. 129OlympiaWashington≈ 3.3 cigs/wk · 10.4 µg/m³
  130. 130OgdenUtah≈ 3.3 cigs/wk · 10.5 µg/m³
  131. 131LubbockTexas≈ 3.4 cigs/wk · 10.7 µg/m³
  132. 132Winston-SalemNorth Carolina≈ 3.4 cigs/wk · 10.8 µg/m³
  133. 133Washington, D.C.District of Columbia≈ 3.5 cigs/wk · 11 µg/m³
  134. 134BirminghamAlabama≈ 3.5 cigs/wk · 11 µg/m³
  135. 135CharlotteNorth Carolina≈ 3.5 cigs/wk · 11.1 µg/m³
  136. 136GreenvilleSouth Carolina≈ 3.6 cigs/wk · 11.4 µg/m³
  137. 137LafayetteLouisiana≈ 3.7 cigs/wk · 11.5 µg/m³
  138. 138ColumbiaSouth Carolina≈ 3.8 cigs/wk · 11.8 µg/m³
  139. 139LethbridgeAlberta≈ 3.8 cigs/wk · 12 µg/m³
  140. 140HoustonTexas≈ 3.9 cigs/wk · 12.2 µg/m³
  141. 141JacksonvilleFlorida≈ 3.9 cigs/wk · 12.3 µg/m³
  142. 142AugustaGeorgia≈ 3.9 cigs/wk · 12.3 µg/m³
  143. 143St. John'sNewfoundland and Labrador≈ 3.9 cigs/wk · 12.4 µg/m³
  144. 144SeattleWashington≈ 3.9 cigs/wk · 12.4 µg/m³
  145. 145NorfolkVirginia≈ 3.9 cigs/wk · 12.4 µg/m³
  146. 146TampaFlorida≈ 4.0 cigs/wk · 12.7 µg/m³
  147. 147SalemOregon≈ 4.0 cigs/wk · 12.7 µg/m³
  148. 148VictoriaBritish Columbia≈ 4.1 cigs/wk · 13 µg/m³
  149. 149BozemanMontana≈ 4.1 cigs/wk · 13 µg/m³
  150. 150Rapid CitySouth Dakota≈ 4.1 cigs/wk · 13 µg/m³
  151. 151MontgomeryAlabama≈ 4.2 cigs/wk · 13.1 µg/m³
  152. 152PensacolaFlorida≈ 4.2 cigs/wk · 13.1 µg/m³
  153. 153Kansas CityMissouri≈ 4.2 cigs/wk · 13.3 µg/m³
  154. 154MemphisTennessee≈ 4.3 cigs/wk · 13.6 µg/m³
  155. 155Virginia BeachVirginia≈ 4.4 cigs/wk · 13.8 µg/m³
  156. 156LaredoTexas≈ 4.5 cigs/wk · 14 µg/m³
  157. 157Colorado SpringsColorado≈ 4.6 cigs/wk · 14.5 µg/m³
  158. 158Little RockArkansas≈ 4.7 cigs/wk · 14.9 µg/m³
  159. 159BeaumontTexas≈ 5.0 cigs/wk · 15.8 µg/m³
  160. 160WacoTexas≈ 5.1 cigs/wk · 16.1 µg/m³
  161. 161TacomaWashington≈ 5.2 cigs/wk · 16.2 µg/m³
  162. 162Oklahoma CityOklahoma≈ 5.3 cigs/wk · 16.6 µg/m³
  163. 163AtlantaGeorgia≈ 5.4 cigs/wk · 16.9 µg/m³
  164. 164TulsaOklahoma≈ 5.4 cigs/wk · 16.9 µg/m³
  165. 165OmahaNebraska≈ 5.4 cigs/wk · 17 µg/m³
  166. 166San AntonioTexas≈ 5.5 cigs/wk · 17.2 µg/m³
  167. 167CalgaryAlberta≈ 5.7 cigs/wk · 17.8 µg/m³
  168. 168WichitaKansas≈ 5.8 cigs/wk · 18.2 µg/m³
  169. 169Fort WorthTexas≈ 6.1 cigs/wk · 19.2 µg/m³
  170. 170EugeneOregon≈ 6.1 cigs/wk · 19.2 µg/m³
  171. 171AustinTexas≈ 6.1 cigs/wk · 19.3 µg/m³
  172. 172Corpus ChristiTexas≈ 6.2 cigs/wk · 19.4 µg/m³
  173. 173Medicine HatAlberta≈ 6.5 cigs/wk · 20.4 µg/m³
  174. 174TopekaKansas≈ 6.5 cigs/wk · 20.5 µg/m³
  175. 175MissoulaMontana≈ 6.6 cigs/wk · 20.6 µg/m³
  176. 176BellinghamWashington≈ 6.7 cigs/wk · 21 µg/m³
  177. 177SurreyBritish Columbia≈ 6.7 cigs/wk · 21.2 µg/m³
  178. 178BurnabyBritish Columbia≈ 6.7 cigs/wk · 21.2 µg/m³
  179. 179McAllenTexas≈ 6.8 cigs/wk · 21.4 µg/m³
  180. 180TallahasseeFlorida≈ 6.9 cigs/wk · 21.7 µg/m³
  181. 181NanaimoBritish Columbia≈ 7.0 cigs/wk · 22 µg/m³
  182. 182BoiseIdaho≈ 7.3 cigs/wk · 23 µg/m³
  183. 183SaskatoonSaskatchewan≈ 8.0 cigs/wk · 25 µg/m³
  184. 184BendOregon≈ 8.1 cigs/wk · 25.4 µg/m³
  185. 185DallasTexas≈ 8.1 cigs/wk · 25.5 µg/m³
  186. 186ArlingtonTexas≈ 8.1 cigs/wk · 25.5 µg/m³
  187. 187KamloopsBritish Columbia≈ 8.3 cigs/wk · 26 µg/m³
  188. 188RichmondBritish Columbia≈ 8.8 cigs/wk · 27.6 µg/m³
  189. 189VancouverBritish Columbia≈ 8.9 cigs/wk · 28.1 µg/m³
  190. 190YakimaWashington≈ 9.2 cigs/wk · 29 µg/m³
  191. 191ChilliwackBritish Columbia≈ 9.7 cigs/wk · 30.5 µg/m³
  192. 192AbbotsfordBritish Columbia≈ 9.8 cigs/wk · 30.8 µg/m³
  193. 193Prince GeorgeBritish Columbia≈ 9.9 cigs/wk · 31 µg/m³
  194. 194ShreveportLouisiana≈ 10 cigs/wk · 31.6 µg/m³
  195. 195SpokaneWashington≈ 10 cigs/wk · 32.1 µg/m³
  196. 196ReginaSaskatchewan≈ 11 cigs/wk · 35 µg/m³
  197. 197YellowknifeNorthwest Territories≈ 12 cigs/wk · 37.7 µg/m³
  198. 198KelownaBritish Columbia≈ 12 cigs/wk · 39 µg/m³
  199. 199EdmontonAlberta≈ 18 cigs/wk · 56.8 µg/m³
  200. 200Fort McMurrayAlberta≈ 20 cigs/wk · 61.5 µg/m³Smokiest

Browse by province & state

Canada

Alberta

British Columbia

Manitoba

New Brunswick

Newfoundland and Labrador

Northwest Territories

Nova Scotia

Ontario

Quebec

Saskatchewan

Yukon

United States

Alabama

Alaska

Arizona

Arkansas

California

Colorado

Connecticut

District of Columbia

Florida

Georgia

Hawaii

Idaho

Illinois

Indiana

Iowa

Kansas

Kentucky

Louisiana

Maryland

Massachusetts

Michigan

Minnesota

Mississippi

Missouri

Montana

Nebraska

Nevada

New Mexico

New York

North Carolina

North Dakota

Ohio

Oklahoma

Oregon

Pennsylvania

Rhode Island

South Carolina

South Dakota

Tennessee

Texas

Utah

Virginia

Washington

Wisconsin

Don’t see your town? Search above — a covered city opens its page, and anywhere else gets a live readout for your exact coordinates.How the numbers work →