ToClearSkies
Canada & United States · 200 cities · Last scan Aug 23, 6:27 p.m. EDT · 49 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. 1OlympiaWashington≈ 0.2 cigs/wk · 0.6 µg/m³Cleanest today
  2. 2SaguenayQuebec≈ 0.2 cigs/wk · 0.7 µg/m³
  3. 3Greater SudburyOntario≈ 0.3 cigs/wk · 1 µg/m³
  4. 4PeterboroughOntario≈ 0.3 cigs/wk · 1 µg/m³
  5. 5North BayOntario≈ 0.3 cigs/wk · 1 µg/m³
  6. 6SeattleWashington≈ 0.3 cigs/wk · 1 µg/m³
  7. 7AnchorageAlaska≈ 0.3 cigs/wk · 1 µg/m³
  8. 8Prince GeorgeBritish Columbia≈ 0.3 cigs/wk · 1 µg/m³
  9. 9PortlandOregon≈ 0.5 cigs/wk · 1.5 µg/m³
  10. 10St. LouisMissouri≈ 0.5 cigs/wk · 1.7 µg/m³
  11. 11Fort WayneIndiana≈ 0.5 cigs/wk · 1.7 µg/m³
  12. 12SpringfieldMassachusetts≈ 0.5 cigs/wk · 1.7 µg/m³
  13. 13SherbrookeQuebec≈ 0.6 cigs/wk · 1.8 µg/m³
  14. 14AbbotsfordBritish Columbia≈ 0.6 cigs/wk · 1.8 µg/m³
  15. 15ChilliwackBritish Columbia≈ 0.6 cigs/wk · 1.8 µg/m³
  16. 16SalemOregon≈ 0.6 cigs/wk · 1.9 µg/m³
  17. 17KelownaBritish Columbia≈ 0.6 cigs/wk · 2 µg/m³
  18. 18KingstonOntario≈ 0.6 cigs/wk · 2 µg/m³
  19. 19Sault Ste. MarieOntario≈ 0.6 cigs/wk · 2 µg/m³
  20. 20TucsonArizona≈ 0.6 cigs/wk · 2 µg/m³
  21. 21StocktonCalifornia≈ 0.6 cigs/wk · 2 µg/m³
  22. 22ChicoCalifornia≈ 0.6 cigs/wk · 2 µg/m³
  23. 23BellinghamWashington≈ 0.6 cigs/wk · 2 µg/m³
  24. 24TacomaWashington≈ 0.6 cigs/wk · 2 µg/m³
  25. 25BellevilleOntario≈ 0.6 cigs/wk · 2 µg/m³
  26. 26LavalQuebec≈ 0.6 cigs/wk · 2 µg/m³
  27. 27FrederictonNew Brunswick≈ 0.7 cigs/wk · 2.1 µg/m³
  28. 28EugeneOregon≈ 0.7 cigs/wk · 2.2 µg/m³
  29. 29MedfordOregon≈ 0.7 cigs/wk · 2.2 µg/m³
  30. 30WhitehorseYukon≈ 0.8 cigs/wk · 2.4 µg/m³
  31. 31ModestoCalifornia≈ 0.8 cigs/wk · 2.4 µg/m³
  32. 32WorcesterMassachusetts≈ 0.8 cigs/wk · 2.5 µg/m³
  33. 33Saint JohnNew Brunswick≈ 0.8 cigs/wk · 2.6 µg/m³
  34. 34MontréalQuebec≈ 0.9 cigs/wk · 2.7 µg/m³
  35. 35BurnabyBritish Columbia≈ 0.9 cigs/wk · 2.7 µg/m³
  36. 36RichmondBritish Columbia≈ 0.9 cigs/wk · 2.7 µg/m³
  37. 37Thunder BayOntario≈ 0.9 cigs/wk · 2.8 µg/m³
  38. 38AlbuquerqueNew Mexico≈ 0.9 cigs/wk · 2.8 µg/m³
  39. 39BendOregon≈ 0.9 cigs/wk · 2.8 µg/m³
  40. 40RochesterNew York≈ 0.9 cigs/wk · 2.8 µg/m³
  41. 41SyracuseNew York≈ 0.9 cigs/wk · 2.8 µg/m³
  42. 42Kitchener-WaterlooOntario≈ 1.0 cigs/wk · 3 µg/m³
  43. 43VictoriaBritish Columbia≈ 1.0 cigs/wk · 3 µg/m³
  44. 44NanaimoBritish Columbia≈ 1.0 cigs/wk · 3 µg/m³
  45. 45BoiseIdaho≈ 1.0 cigs/wk · 3 µg/m³
  46. 46BostonMassachusetts≈ 1.0 cigs/wk · 3.1 µg/m³
  47. 47MonctonNew Brunswick≈ 1.0 cigs/wk · 3.2 µg/m³
  48. 48Green BayWisconsin≈ 1.0 cigs/wk · 3.2 µg/m³
  49. 49SarasotaFlorida≈ 1.0 cigs/wk · 3.2 µg/m³
  50. 50TampaFlorida≈ 1.1 cigs/wk · 3.3 µg/m³
  51. 51OrlandoFlorida≈ 1.1 cigs/wk · 3.3 µg/m³
  52. 52OgdenUtah≈ 1.1 cigs/wk · 3.5 µg/m³
  53. 53AuroraColorado≈ 1.1 cigs/wk · 3.5 µg/m³
  54. 54HartfordConnecticut≈ 1.1 cigs/wk · 3.6 µg/m³
  55. 55Grand RapidsMichigan≈ 1.2 cigs/wk · 3.8 µg/m³
  56. 56HonoluluHawaii≈ 1.2 cigs/wk · 3.8 µg/m³
  57. 57DenverColorado≈ 1.2 cigs/wk · 3.9 µg/m³
  58. 58VancouverBritish Columbia≈ 1.3 cigs/wk · 4 µg/m³
  59. 59OttawaOntario≈ 1.3 cigs/wk · 4 µg/m³
  60. 60HamiltonOntario≈ 1.3 cigs/wk · 4 µg/m³
  61. 61GuelphOntario≈ 1.3 cigs/wk · 4 µg/m³
  62. 62MississaugaOntario≈ 1.3 cigs/wk · 4 µg/m³
  63. 63BramptonOntario≈ 1.3 cigs/wk · 4 µg/m³
  64. 64BuffaloNew York≈ 1.3 cigs/wk · 4 µg/m³
  65. 65ProvidenceRhode Island≈ 1.3 cigs/wk · 4 µg/m³
  66. 66BillingsMontana≈ 1.3 cigs/wk · 4 µg/m³
  67. 67St. PetersburgFlorida≈ 1.3 cigs/wk · 4 µg/m³
  68. 68BrantfordOntario≈ 1.3 cigs/wk · 4 µg/m³
  69. 69SacramentoCalifornia≈ 1.3 cigs/wk · 4.1 µg/m³
  70. 70Québec CityQuebec≈ 1.3 cigs/wk · 4.2 µg/m³
  71. 71Salt Lake CityUtah≈ 1.4 cigs/wk · 4.3 µg/m³
  72. 72AlbanyNew York≈ 1.4 cigs/wk · 4.4 µg/m³
  73. 73BoulderColorado≈ 1.4 cigs/wk · 4.5 µg/m³
  74. 74Las VegasNevada≈ 1.5 cigs/wk · 4.6 µg/m³
  75. 75MesaArizona≈ 1.5 cigs/wk · 4.6 µg/m³
  76. 76AmarilloTexas≈ 1.5 cigs/wk · 4.8 µg/m³
  77. 77SurreyBritish Columbia≈ 1.5 cigs/wk · 4.8 µg/m³
  78. 78HendersonNevada≈ 1.5 cigs/wk · 4.8 µg/m³
  79. 79LondonOntario≈ 1.6 cigs/wk · 5 µg/m³
  80. 80St. CatharinesOntario≈ 1.6 cigs/wk · 5 µg/m³
  81. 81BarrieOntario≈ 1.6 cigs/wk · 5 µg/m³
  82. 82RenoNevada≈ 1.6 cigs/wk · 5 µg/m³
  83. 83ReddingCalifornia≈ 1.6 cigs/wk · 5 µg/m³
  84. 84VaughanOntario≈ 1.6 cigs/wk · 5 µg/m³
  85. 85Trois-RivièresQuebec≈ 1.7 cigs/wk · 5.2 µg/m³
  86. 86Colorado SpringsColorado≈ 1.7 cigs/wk · 5.2 µg/m³
  87. 87Fort CollinsColorado≈ 1.7 cigs/wk · 5.4 µg/m³
  88. 88Sioux FallsSouth Dakota≈ 1.8 cigs/wk · 5.5 µg/m³
  89. 89ProvoUtah≈ 1.8 cigs/wk · 5.5 µg/m³
  90. 90DurhamNorth Carolina≈ 1.8 cigs/wk · 5.7 µg/m³
  91. 91WinnipegManitoba≈ 1.8 cigs/wk · 5.8 µg/m³
  92. 92New York CityNew York≈ 1.9 cigs/wk · 5.9 µg/m³
  93. 93LubbockTexas≈ 1.9 cigs/wk · 5.9 µg/m³
  94. 94JacksonMississippi≈ 1.9 cigs/wk · 5.9 µg/m³
  95. 95Rapid CitySouth Dakota≈ 1.9 cigs/wk · 5.9 µg/m³
  96. 96AllentownPennsylvania≈ 1.9 cigs/wk · 5.9 µg/m³
  97. 97ScrantonPennsylvania≈ 1.9 cigs/wk · 5.9 µg/m³
  98. 98OshawaOntario≈ 1.9 cigs/wk · 6 µg/m³
  99. 99LouisvilleKentucky≈ 1.9 cigs/wk · 6 µg/m³
  100. 100MarkhamOntario≈ 1.9 cigs/wk · 6 µg/m³
  101. 101EriePennsylvania≈ 1.9 cigs/wk · 6.1 µg/m³
  102. 102CalgaryAlberta≈ 2.0 cigs/wk · 6.2 µg/m³
  103. 103LexingtonKentucky≈ 2.0 cigs/wk · 6.4 µg/m³
  104. 104PhoenixArizona≈ 2.1 cigs/wk · 6.5 µg/m³
  105. 105KnoxvilleTennessee≈ 2.1 cigs/wk · 6.5 µg/m³
  106. 106GreensboroNorth Carolina≈ 2.1 cigs/wk · 6.5 µg/m³
  107. 107CharlotteNorth Carolina≈ 2.1 cigs/wk · 6.6 µg/m³
  108. 108San BernardinoCalifornia≈ 2.1 cigs/wk · 6.6 µg/m³
  109. 109Fort MyersFlorida≈ 2.1 cigs/wk · 6.6 µg/m³
  110. 110RichmondVirginia≈ 2.1 cigs/wk · 6.7 µg/m³
  111. 111RaleighNorth Carolina≈ 2.2 cigs/wk · 6.9 µg/m³
  112. 112Washington, D.C.District of Columbia≈ 2.2 cigs/wk · 7 µg/m³
  113. 113BaltimoreMaryland≈ 2.2 cigs/wk · 7 µg/m³
  114. 114CincinnatiOhio≈ 2.2 cigs/wk · 7 µg/m³
  115. 115YakimaWashington≈ 2.2 cigs/wk · 7 µg/m³
  116. 116DaytonOhio≈ 2.3 cigs/wk · 7.1 µg/m³
  117. 117PhiladelphiaPennsylvania≈ 2.3 cigs/wk · 7.3 µg/m³
  118. 118MontgomeryAlabama≈ 2.4 cigs/wk · 7.4 µg/m³
  119. 119NorfolkVirginia≈ 2.4 cigs/wk · 7.4 µg/m³
  120. 120HarrisburgPennsylvania≈ 2.5 cigs/wk · 7.7 µg/m³
  121. 121Kansas CityMissouri≈ 2.5 cigs/wk · 7.9 µg/m³
  122. 122RiversideCalifornia≈ 2.5 cigs/wk · 7.9 µg/m³
  123. 123OmahaNebraska≈ 2.5 cigs/wk · 8 µg/m³
  124. 124Winston-SalemNorth Carolina≈ 2.5 cigs/wk · 8 µg/m³
  125. 125YumaArizona≈ 2.5 cigs/wk · 8 µg/m³
  126. 126JacksonvilleFlorida≈ 2.6 cigs/wk · 8.1 µg/m³
  127. 127GreenvilleSouth Carolina≈ 2.6 cigs/wk · 8.1 µg/m³
  128. 128HalifaxNova Scotia≈ 2.6 cigs/wk · 8.3 µg/m³
  129. 129Virginia BeachVirginia≈ 2.7 cigs/wk · 8.4 µg/m³
  130. 130AnaheimCalifornia≈ 2.7 cigs/wk · 8.4 µg/m³
  131. 131BirminghamAlabama≈ 2.7 cigs/wk · 8.5 µg/m³
  132. 132MadisonWisconsin≈ 2.7 cigs/wk · 8.6 µg/m³
  133. 133YellowknifeNorthwest Territories≈ 2.7 cigs/wk · 8.6 µg/m³
  134. 134LaredoTexas≈ 2.8 cigs/wk · 8.7 µg/m³
  135. 135MiamiFlorida≈ 2.8 cigs/wk · 8.8 µg/m³
  136. 136TulsaOklahoma≈ 2.8 cigs/wk · 8.8 µg/m³
  137. 137ShreveportLouisiana≈ 2.8 cigs/wk · 8.8 µg/m³
  138. 138CharlestonSouth Carolina≈ 2.8 cigs/wk · 8.9 µg/m³
  139. 139ReginaSaskatchewan≈ 2.9 cigs/wk · 9 µg/m³
  140. 140San JoseCalifornia≈ 2.9 cigs/wk · 9 µg/m³
  141. 141BakersfieldCalifornia≈ 2.9 cigs/wk · 9 µg/m³
  142. 142San DiegoCalifornia≈ 3.0 cigs/wk · 9.4 µg/m³
  143. 143LafayetteLouisiana≈ 3.1 cigs/wk · 9.7 µg/m³
  144. 144San AntonioTexas≈ 3.1 cigs/wk · 9.9 µg/m³
  145. 145MilwaukeeWisconsin≈ 3.1 cigs/wk · 9.9 µg/m³
  146. 146WacoTexas≈ 3.1 cigs/wk · 9.9 µg/m³
  147. 147LethbridgeAlberta≈ 3.2 cigs/wk · 10 µg/m³
  148. 148San FranciscoCalifornia≈ 3.2 cigs/wk · 10 µg/m³
  149. 149NashvilleTennessee≈ 3.2 cigs/wk · 10 µg/m³
  150. 150FresnoCalifornia≈ 3.2 cigs/wk · 10 µg/m³
  151. 151SpokaneWashington≈ 3.2 cigs/wk · 10.1 µg/m³
  152. 152McAllenTexas≈ 3.3 cigs/wk · 10.3 µg/m³
  153. 153WichitaKansas≈ 3.3 cigs/wk · 10.4 µg/m³
  154. 154IndianapolisIndiana≈ 3.4 cigs/wk · 10.6 µg/m³
  155. 155El PasoTexas≈ 3.4 cigs/wk · 10.7 µg/m³
  156. 156Medicine HatAlberta≈ 3.4 cigs/wk · 10.8 µg/m³
  157. 157TorontoOntario≈ 3.5 cigs/wk · 11 µg/m³
  158. 158St. John'sNewfoundland and Labrador≈ 3.5 cigs/wk · 11 µg/m³
  159. 159MemphisTennessee≈ 3.5 cigs/wk · 11 µg/m³
  160. 160Des MoinesIowa≈ 3.5 cigs/wk · 11 µg/m³
  161. 161HoustonTexas≈ 3.5 cigs/wk · 11.1 µg/m³
  162. 162AustinTexas≈ 3.5 cigs/wk · 11.1 µg/m³
  163. 163MobileAlabama≈ 3.5 cigs/wk · 11.1 µg/m³
  164. 164Oklahoma CityOklahoma≈ 3.6 cigs/wk · 11.2 µg/m³
  165. 165MinneapolisMinnesota≈ 3.6 cigs/wk · 11.3 µg/m³
  166. 166Baton RougeLouisiana≈ 3.6 cigs/wk · 11.4 µg/m³
  167. 167SpringfieldMissouri≈ 3.7 cigs/wk · 11.5 µg/m³
  168. 168TallahasseeFlorida≈ 3.7 cigs/wk · 11.7 µg/m³
  169. 169Fort WorthTexas≈ 3.8 cigs/wk · 11.8 µg/m³
  170. 170TopekaKansas≈ 3.8 cigs/wk · 12 µg/m³
  171. 171ColumbusOhio≈ 3.8 cigs/wk · 12.1 µg/m³
  172. 172Little RockArkansas≈ 3.9 cigs/wk · 12.2 µg/m³
  173. 173MissoulaMontana≈ 4.1 cigs/wk · 13 µg/m³
  174. 174PensacolaFlorida≈ 4.1 cigs/wk · 13 µg/m³
  175. 175Corpus ChristiTexas≈ 4.3 cigs/wk · 13.4 µg/m³
  176. 176AugustaGeorgia≈ 4.4 cigs/wk · 13.7 µg/m³
  177. 177DallasTexas≈ 4.4 cigs/wk · 13.8 µg/m³
  178. 178ArlingtonTexas≈ 4.4 cigs/wk · 13.8 µg/m³
  179. 179ColumbiaSouth Carolina≈ 4.4 cigs/wk · 13.9 µg/m³
  180. 180ChicagoIllinois≈ 4.5 cigs/wk · 14 µg/m³
  181. 181New OrleansLouisiana≈ 4.6 cigs/wk · 14.5 µg/m³
  182. 182Los AngelesCalifornia≈ 4.6 cigs/wk · 14.6 µg/m³
  183. 183SaskatoonSaskatchewan≈ 4.8 cigs/wk · 15 µg/m³
  184. 184BozemanMontana≈ 4.8 cigs/wk · 15 µg/m³
  185. 185RockfordIllinois≈ 4.8 cigs/wk · 15.2 µg/m³
  186. 186KamloopsBritish Columbia≈ 5.1 cigs/wk · 16 µg/m³
  187. 187AtlantaGeorgia≈ 5.3 cigs/wk · 16.7 µg/m³
  188. 188WindsorOntario≈ 5.7 cigs/wk · 18 µg/m³
  189. 189DetroitMichigan≈ 5.7 cigs/wk · 18 µg/m³
  190. 190FargoNorth Dakota≈ 5.7 cigs/wk · 18 µg/m³
  191. 191BeaumontTexas≈ 6.0 cigs/wk · 18.8 µg/m³
  192. 192PittsburghPennsylvania≈ 6.0 cigs/wk · 19 µg/m³
  193. 193Fort McMurrayAlberta≈ 6.8 cigs/wk · 21.4 µg/m³
  194. 194YoungstownOhio≈ 7.3 cigs/wk · 22.8 µg/m³
  195. 195PeoriaIllinois≈ 7.9 cigs/wk · 24.9 µg/m³
  196. 196AkronOhio≈ 8.1 cigs/wk · 25.6 µg/m³
  197. 197CantonOhio≈ 8.3 cigs/wk · 26.1 µg/m³
  198. 198ClevelandOhio≈ 9.4 cigs/wk · 29.4 µg/m³
  199. 199ToledoOhio≈ 11 cigs/wk · 33.3 µg/m³
  200. 200EdmontonAlberta≈ 12 cigs/wk · 38.8 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 →