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Air quality in Washington
Air quality index (AQI) and PM2.5 air pollution in Washington
LIVE AQI CITY RANKING
Real-time Washington
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Ashford | 38 |
| 2 | Tonasket | 38 |
| 3 | Dayton | 29 |
| 4 | Clarkston | 26 |
| 5 | Cathcart | 25 |
| 6 | Grand Coulee | 21 |
| 7 | Kahlotus | 21 |
| 8 | Mazama | 21 |
| 9 | Mirrormont | 21 |
| 10 | Eatonville | 19 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
913 Contributors
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LIVE AQI CITY RANKING
Real-time Washington
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Orondo | 0 |
| 2 | Ravensdale | 1 |
| 3 | Birch Bay | 2 |
| 4 | Buckley | 2 |
| 5 | Coupeville | 2 |
| 6 | Enumclaw | 2 |
| 7 | Gold Bar | 2 |
| 8 | Hobart | 2 |
| 9 | Maryhill | 2 |
| 10 | Mattawa | 2 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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The latest air quality news and resources.
Washington air quality data attribution
913Contributors
- Washington Air Monitoring Network
53 stations
- Northwest Clean Air Agency
8 stations
- Washington USA
2 stations
- Puget Sound Clean Air Agency
5 stations
- USA National Park Service
6 stations
5 Government Contributors
- IQAir Dev Lab
1 station
Methow Valley Citizens Council (MVCC)8 stations
- grounds department
1 station
3 Non-profit organization Contributors
Portland State University (PSU)2 stations
- Thom Proehl
1 station
2 Educational Contributors
Dan1 station
- AB
1 station
- Quinn
1 station
- Geoff Killam
1 station
- william selig
1 station
Opuelas1 station
- robc7777
1 station
- J_T_W
1 station
Anonymous1 station
- IQAir Community Member
1 station
- C.m.
1 station
- Nathaniel Blue
2 stations
- Zac
1 station
- Daniela
1 station
31st and Howe1 station
- Lance
1 station
- Tom
1 station
EKLynx2 stations
- Chiara Coetzee
1 station
The Chameleon1 station
Joseph Gleason2 stations
- eHouse
1 station
Bay1 station
- Tim H
1 station
Shaun Bell1 station
- Pop Ongsakorn
1 station
- Scott Thurlow
1 station
- Samuel Herschbein
1 station
- Joseph M
1 station
- Marcel Ceballos
1 station
- Peter Moon
1 station
Algernon Findiggle1 station
- Haydon
1 station
Paul J.1 station
- rswistok@hotmail.com
1 station
- clint68d
1 station
- Joshua
1 station
- Nicholas Rosenzweig
1 station
- Patrik Schnell
2 stations
Northwest Seattleite1 station
- Julie
1 station
DN1 station
- Christian Johannessen
1 station
Fruitland St1 station
- Swinefeaster X
1 station
- 0bsidianlock
1 station
- JB
1 station
- Jay Sauls
1 station
- balldt
1 station
Pokémon1 station
- Adam
1 station
- Patrick Boehnke
1 station
- S. Lancaster
1 station
- house
1 station
Em1 station
- Kenneth Hamer
1 station
- Howard M
1 station
- raphael
1 station
- John Bullivant
1 station
- Leon van hees
1 station
CWS1 station
- IQAir Community Member
1 station
- NineAce
1 station
- masoodj
1 station
- nokturne
1 station
- snipeman
1 station
Kurt Gazow1 station
- Opie
1 station
- Taylor Black
1 station
- Andrew DeFilippis
1 station
- EH
1 station
- SFHouse
1 station
- Taylor
1 station
- GV
1 station
- ashley
1 station
- Wise Acres
1 station
BaseCamp1 station
- Chris
1 station
PB1 station
- IQAir Community Member
1 station
- Anonymous
1 station
- Mark McLaughlin
1 station
- Clemens
1 station
- Breathe Easy
1 station
- Bryan
1 station
- Dale White
1 station
Mason1 station
mimbo1 station
Graham McIntyre1 station
Woodinville Resident1 station
- IQAir Community Member
1 station
Mr. View Ridge1 station
- Tanya Botta
1 station
WhidbeyWonders1 station
- Truth
1 station
- rheb Johnson
1 station
- Lewis T
1 station
97 Individual Contributors
806 Anonymous contributors806 stations
806 Anonymous Contributors
Which is the most polluted city in Washington?
- Ashford 38
- Tonasket 38
- Dayton 29
- Clarkston 26
- Cathcart 25
- Grand Coulee 21
- Kahlotus 21
- Mazama 21
- Mirrormont 21
- Eatonville 19
- Medical Lake 19
- Richland 18
- Asotin 17
- Brewster 17
- Bridgeport 17
- Coulee Dam 17
- Fairwood 17
- Hansville 17
- Moses Lake 17
- Oakville 17
- Ocean Park 17
- Omak 17
- Prosser 17
- West Valley 17
- Chewelah 16
- East Wenatchee 16
- Electric City 16
- Inchelium 16
- Kennewick 16
- Long Beach 16
- Manson 16
- Okanogan 16
- Opportunity 16
- Pasco 16
- Spokane 16
- Sunnyslope 16
- Waterville 16
- Wenatchee 16
- Wilson Creek 16
- Burbank 15
- Chelan 15
- Cheney 15
- Country Homes 15
- Cusick 15
- Deer Park 15
- Grandview 15
- Kalama 15
- Lake Stevens 15
- North Creek 15
- Othello 15
- Pateros 15
- Selah 15
- Twisp 15
- Walla Walla East 15
- Yakima 15
- Edgewood 14
- LaCrosse 14
- Newport 14
- Oroville 14
- Republic 14
- Spokane Valley 14
- Veradale 14
- Winthrop 14
- Addy 13
- Alderwood Manor 13
- Duvall 13
- La Center 13
- Lakewood 13
- Maple Valley 13
- Mead 13
- Mill Creek 13
- Ocean Shores 13
- Sultan 13
- Walla Walla 13
- Wapato 13
- College Place 12
- Everett 12
- Gig Harbor 12
- Kenmore 12
- Kettle Falls 12
- Lake Forest Park 12
- Longview 12
- Martha Lake 12
- Minnehaha 12
- Normandy Park 12
- Otis Orchards-East Farms 12
- Sunnyside 12
- Terrace Heights 12
- Tulalip 12
- Westport 12
- Colville 11
- Cottage Lake 11
- East Renton Highlands 11
- Ellensburg 11
- Lynnwood 11
- Palouse 11
- South Bend 11
- Suquamish 11
- Tieton 11
- Bainbridge Island 10
- Bothell 10
- Bremerton 10
- Brier 10
- Des Moines 10
- Kirkland 10
- Klahanie 10
- Lake Morton-Berrydale 10
- Lake Shore 10
- Maltby 10
- Marysville 10
- Redmond 10
- Ritzville 10
- Rosalia 10
- Seabeck 10
- Seattle 10
- Shoreline 10
- Taholah 10
- Tumwater 10
- Yarrow Point 10
- Ames Lake 9
- Brush Prairie 9
- Central Park 9
- Clyde Hill 9
- Cosmopolis 9
- Edmonds 9
- Goldendale 9
- Granite Falls 9
- Inglewood-Finn Hill 9
- Issaquah 9
- Kent 9
- Klickitat 9
- Leavenworth 9
- Manchester 9
- Monroe 9
- Montesano 9
- Port Ludlow 9
- Pullman 9
- Royal City 9
- Snohomish 9
- Tukwila 9
- Woodinville 9
- Artondale 8
- Bellevue 8
- Benton City 8
- Blaine 8
- Cashmere 8
- Castle Rock 8
- Clarkston Heights-Vineland 8
- Custer 8
- Darrington 8
- Esperance 8
- Federal Way 8
- Finley 8
- Highland 8
- Kelso 8
- Mabton 8
- Marietta-Alderwood 8
- McCleary 8
- Mercer Island 8
- Mill Plain 8
- Mountlake Terrace 8
- Oak Harbor 8
- Pacific Beach 8
- Raymond 8
- Renton 8
- Sammamish 8
- Sekiu 8
- Silverdale 8
- Toppenish 8
- Union Hill-Novelty Hill 8
- Vancouver 8
- Vashon 8
- Warden 8
- West Clarkston-Highland 8
- West Pasco 8
- Woodway 8
- Allyn 7
- Anacortes 7
- Arlington 7
- Auburn 7
- Battle Ground 7
- Camas 7
- Cathlamet 7
- Centralia 7
- Chehalis 7
- Colfax 7
- Connell 7
- Dallesport 7
- Decatur Island 7
- Desert Aire 7
- Dishman 7
- Everson 7
- Fairchild Air Force Base 7
- Ferndale 7
- Fords Prairie 7
- Forks 7
- Fox Island 7
- Freeland 7
- Friday Harbor 7
- Garrett 7
- Grand Mound 7
- Granger 7
- Harrington 7
- Lacey 7
- Langley 7
- Lewisville 7
- Liberty Lake 7
- Longview Heights 7
- Marietta 7
- Mason 7
- Medina 7
- Millwood 7
- Mukilteo 7
- Napavine 7
- Neah Bay 7
- North Bend 7
- Olympia 7
- Picnic Point-North Lynnwood 7
- Port Angeles 7
- Ridgefield 7
- Soap Lake 7
- Town and Country 7
- Waller 7
- Washougal 7
- West Longview 7
- Whatcom 7
- White Salmon 7
- Winlock 7
- Woodland 7
- Yelm 7
- Alderton 6
- Algona 6
- Amboy 6
- Arlington Heights 6
- Ault Field 6
- Bangor Trident Base 6
- Barberton 6
- Bellingham 6
- Bethel 6
- Big Lake 6
- Bothell East 6
- Bothell West 6
- Boulevard Park 6
- Browns Point 6
- Bryant 6
- Bunk Foss 6
- Burien 6
- Burley 6
- Canterwood 6
- Cascade Valley 6
- Chico 6
- City of Sammamish 6
- Cle Elum 6
- Clear Lake 6
- Clearview 6
- Crocker 6
- Dollar Corner 6
- DuPont 6
- East Hill-Meridian 6
- East Port Orchard 6
- Eastgate 6
- Eastmont 6
- Elk Plain 6
- Enetai 6
- Entiat 6
- Ephrata 6
- Erlands Point-Kitsap Lake 6
- Felida 6
- Fern Prairie 6
- Fife 6
- Fife Heights 6
- Fircrest 6
- Five Corners 6
- Fobes Hill 6
- Frederickson 6
- Geneva 6
- Graham 6
- Hazel Dell 6
- Hockinson 6
- Home 6
- Indianola 6
- Joint Base Lewis McChord 6
- Key Center 6
- Kingsgate 6
- Kingston 6
- Lake Marcel-Stillwater 6
- Lake Stickney 6
- Lakeland North 6
- Lakeland South 6
- Larch Way 6
- Lea Hill 6
- Lochsloy 6
- Lofall 6
- Longbranch 6
- Machias 6
- Maple Heights-Lake Desire 6
- Maplewood 6
- McChord Air Force Base 6
- McMillin 6
- Meadow Glade 6
- Meadowdale 6
- Mesa 6
- Midland 6
- Mill Creek East 6
- Milton 6
- Monroe North 6
- Moses Lake North 6
- Mossyrock 6
- Mount Vista 6
- Navy Yard City 6
- Newcastle 6
- North Fort Lewis 6
- North Puyallup 6
- North Yelm 6
- Orchards 6
- Orting 6
- Pacific 6
- Parkland 6
- Parkwood 6
- Point Roberts 6
- Poulsbo 6
- Prairie Heights 6
- Prairie Ridge 6
- Purdy 6
- Rainier 6
- Riverton 6
- Rocky Point 6
- Rosedale 6
- Salmon Creek 6
- San Juan 6
- SeaTac 6
- Silver Firs 6
- Sisco Heights 6
- Skagit 6
- Smokey Point 6
- South Hill 6
- Southworth 6
- Spanaway 6
- Stanwood 6
- Sudden Valley 6
- Sumas 6
- Summit 6
- Summit View 6
- Sumner 6
- Tacoma 6
- Tanglewilde 6
- Tanglewilde-Thompson Place 6
- Three Lakes 6
- Tracyton 6
- Tulalip Bay 6
- Venersborg 6
- Waitsburg 6
- Walnut Grove 6
- Warm Beach 6
- Wauna 6
- Wellpinit 6
- West Lake Sammamish 6
- West Lake Stevens 6
- West Side Highway 6
- White Center 6
- Wollochet 6
- Woods Creek 6
- Zillah 6
- Ahtanum 5
- Baring 5
- Basin City 5
- Belfair 5
- Bonney Lake 5
- Bryn Mawr-Skyway 5
- Camano 5
- Carnation 5
- Covington 5
- East Wenatchee Bench 5
- Elma 5
- Kittitas 5
- Lynden 5
- Peaceful Valley 5
- Port Orchard 5
- Puyallup 5
- Quincy 5
- Ronald 5
- Shelton 5
- Snoqualmie 5
- South Wenatchee 5
- Steilacoom 5
- Union Gap 5
- West Wenatchee 5
- White Swan 5
- Willard 5
- Yacolt 5
- Aberdeen 4
- Airway Heights 4
- Carson 4
- Gleed 4
- Hoquiam 4
- Jefferson 4
- Metaline 4
- Morton 4
- Picnic Point 4
- Pomeroy 4
- Port Angeles East 4
- Port Townsend 4
- Rochester 4
- Sequim 4
- Tanner 4
- Tenino 4
- University Place 4
- Wilderness Rim 4
- Black Diamond 3
- Burlington 3
- Davenport 3
- Fall City 3
- Grays Harbor 3
- Mount Vernon 3
- Nooksack 3
- Port Hadlock-Irondale 3
- Stevenson 3
- Birch Bay 2
- Buckley 2
- Coupeville 2
- Enumclaw 2
- Gold Bar 2
- Hobart 2
- Maryhill 2
- Mattawa 2
- Riverbend 2
- Sedro-Woolley 2
- Trentwood 2
- Ravensdale 1
- Orondo 0
- West Richland 0
AQI US, Metric