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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 | West Valley | 57 |
| 2 | Clarkston | 37 |
| 3 | Ashford | 32 |
| 4 | Seattle | 25 |
| 5 | Dayton | 20 |
| 6 | Bridgeport | 18 |
| 7 | Basin City | 17 |
| 8 | Cathcart | 16 |
| 9 | Asotin | 15 |
| 10 | Brewster | 15 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
893 Contributors
See all
LIVE AQI CITY RANKING
Real-time Washington
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Airway Heights | 0 |
| 2 | Marietta | 0 |
| 3 | Orondo | 0 |
| 4 | Aberdeen | 1 |
| 5 | Custer | 1 |
| 6 | Davenport | 1 |
| 7 | Mattawa | 1 |
| 8 | Mesa | 1 |
| 9 | Point Roberts | 1 |
| 10 | Pomeroy | 1 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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Washington air quality data attribution
893Contributors
- Washington Air Monitoring Network
53 stations
- Northwest Clean Air Agency
6 stations
- Washington USA
2 stations
- Puget Sound Clean Air Agency
5 stations
- USA National Park Service
7 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
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
- Heather Kelly
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
786 Anonymous contributors786 stations
786 Anonymous Contributors
Which is the most polluted city in Washington?
- West Valley 57
- Clarkston 37
- Ashford 32
- Seattle 25
- Dayton 20
- Bridgeport 18
- Basin City 17
- Cathcart 16
- Asotin 15
- Brewster 15
- Coulee Dam 15
- Kahlotus 15
- Deer Park 14
- Hansville 14
- Longview 14
- Mirrormont 14
- Oakville 14
- Omak 14
- Prosser 14
- Sultan 14
- Terrace Heights 14
- Twisp 14
- Wenatchee 14
- Grand Coulee 13
- Okanogan 13
- Richland 13
- Sequim 13
- Walla Walla East 13
- Country Homes 12
- Fairwood 12
- Manson 12
- Medical Lake 12
- Moses Lake 12
- Othello 12
- Pateros 12
- Wapato 12
- Wilson Creek 12
- Cusick 11
- East Wenatchee 11
- Electric City 11
- Grandview 11
- Inchelium 11
- Kettle Falls 11
- Mill Creek 11
- North Creek 11
- Opportunity 11
- Pasco 11
- Spokane 11
- Spokane Valley 11
- Sunnyslope 11
- Waterville 11
- Yakima 11
- Chelan 10
- College Place 10
- Duvall 10
- Everett 10
- Fox Island 10
- Gig Harbor 10
- Leavenworth 10
- Mazama 10
- Otis Orchards-East Farms 10
- Port Angeles 10
- Rochester 10
- Selah 10
- Waller 10
- Winthrop 10
- Alderwood Manor 9
- Chewelah 9
- Edgewood 9
- Federal Way 9
- Gleed 9
- Issaquah 9
- Kennewick 9
- Kent 9
- Klickitat 9
- Lake Marcel-Stillwater 9
- Lake Stevens 9
- Maple Valley 9
- Normandy Park 9
- Suquamish 9
- Tieton 9
- Tumwater 9
- Walla Walla 9
- Colville 8
- Kalama 8
- Kelso 8
- Lake Forest Park 8
- Lake Morton-Berrydale 8
- Lakeland South 8
- Langley 8
- Longview Heights 8
- Mead 8
- Newport 8
- Oroville 8
- Quincy 8
- Royal City 8
- Shelton 8
- Shoreline 8
- Veradale 8
- Westport 8
- White Salmon 8
- Artondale 7
- Auburn 7
- Bellevue 7
- Bothell 7
- Cathlamet 7
- Edmonds 7
- Elma 7
- Esperance 7
- Everson 7
- Freeland 7
- Goldendale 7
- Lacey 7
- Lynnwood 7
- Mercer Island 7
- Metaline 7
- Mukilteo 7
- Olympia 7
- Palouse 7
- Redmond 7
- Republic 7
- Soap Lake 7
- Steilacoom 7
- Tacoma 7
- Tenino 7
- Tukwila 7
- Tulalip 7
- Woodland 7
- Woodway 7
- Yarrow Point 7
- Yelm 7
- Ames Lake 6
- Bainbridge Island 6
- Bremerton 6
- Brush Prairie 6
- Carson 6
- Castle Rock 6
- Clarkston Heights-Vineland 6
- Cle Elum 6
- Clyde Hill 6
- Cottage Lake 6
- Darrington 6
- East Renton Highlands 6
- Ellensburg 6
- Hoquiam 6
- Inglewood-Finn Hill 6
- Kenmore 6
- Kirkland 6
- La Center 6
- Maltby 6
- Manchester 6
- Minnehaha 6
- Mount Vernon 6
- Mountlake Terrace 6
- Nooksack 6
- North Bend 6
- Port Ludlow 6
- Pullman 6
- Puyallup 6
- Skagit 6
- Tonasket 6
- Tulalip Bay 6
- Union Hill-Novelty Hill 6
- University Place 6
- West Clarkston-Highland 6
- Addy 5
- Ault Field 5
- Bellingham 5
- Black Diamond 5
- Blaine 5
- Burbank 5
- Camas 5
- Cashmere 5
- Des Moines 5
- Forks 5
- Kingston 5
- Klahanie 5
- Lake Stickney 5
- Larch Way 5
- Lewisville 5
- Lofall 5
- Long Beach 5
- Lynden 5
- Marietta-Alderwood 5
- Marysville 5
- Mason 5
- Meadowdale 5
- Monroe 5
- Neah Bay 5
- Oak Harbor 5
- Ocean Shores 5
- Orchards 5
- Pacific 5
- Peaceful Valley 5
- Picnic Point 5
- Port Angeles East 5
- Port Townsend 5
- Raymond 5
- Renton 5
- Sammamish 5
- Sekiu 5
- Snoqualmie 5
- Tanner 5
- Vashon 5
- Warm Beach 5
- Woodinville 5
- Ahtanum 4
- Alderton 4
- Algona 4
- Allyn 4
- Amboy 4
- Arlington Heights 4
- Bangor Trident Base 4
- Barberton 4
- Baring 4
- Battle Ground 4
- Benton City 4
- Bethel 4
- Big Lake 4
- Bonney Lake 4
- Bothell East 4
- Bothell West 4
- Boulevard Park 4
- Browns Point 4
- Bryant 4
- Bunk Foss 4
- Burien 4
- Burley 4
- Canterwood 4
- Carnation 4
- Cascade Valley 4
- Central Park 4
- Centralia 4
- Chehalis 4
- Chico 4
- City of Sammamish 4
- Clear Lake 4
- Clearview 4
- Colfax 4
- Connell 4
- Cosmopolis 4
- Covington 4
- Crocker 4
- Dallesport 4
- Desert Aire 4
- Dishman 4
- Dollar Corner 4
- DuPont 4
- East Hill-Meridian 4
- East Port Orchard 4
- East Wenatchee Bench 4
- Eastgate 4
- Eastmont 4
- Eatonville 4
- Elk Plain 4
- Enetai 4
- Entiat 4
- Enumclaw 4
- Ephrata 4
- Erlands Point-Kitsap Lake 4
- Fairchild Air Force Base 4
- Felida 4
- Fern Prairie 4
- Ferndale 4
- Fife 4
- Fife Heights 4
- Finley 4
- Fircrest 4
- Five Corners 4
- Fobes Hill 4
- Fords Prairie 4
- Frederickson 4
- Friday Harbor 4
- Garrett 4
- Geneva 4
- Graham 4
- Grand Mound 4
- Granger 4
- Harrington 4
- Hazel Dell 4
- Highland 4
- Hobart 4
- Hockinson 4
- Home 4
- Joint Base Lewis McChord 4
- Key Center 4
- Kingsgate 4
- Kittitas 4
- Lake Shore 4
- Lakeland North 4
- Lakewood 4
- Lea Hill 4
- Liberty Lake 4
- Lochsloy 4
- Longbranch 4
- Mabton 4
- Machias 4
- Maple Heights-Lake Desire 4
- Maplewood 4
- McChord Air Force Base 4
- McCleary 4
- McMillin 4
- Meadow Glade 4
- Midland 4
- Mill Creek East 4
- Mill Plain 4
- Millwood 4
- Milton 4
- Monroe North 4
- Montesano 4
- Morton 4
- Moses Lake North 4
- Mossyrock 4
- Mount Vista 4
- Napavine 4
- Navy Yard City 4
- Newcastle 4
- North Fort Lewis 4
- North Puyallup 4
- North Yelm 4
- Orting 4
- Pacific Beach 4
- Parkland 4
- Parkwood 4
- Port Hadlock-Irondale 4
- Prairie Heights 4
- Prairie Ridge 4
- Purdy 4
- Rainier 4
- Ridgefield 4
- Riverton 4
- Rocky Point 4
- Ronald 4
- Rosedale 4
- Salmon Creek 4
- Seabeck 4
- SeaTac 4
- Silver Firs 4
- Silverdale 4
- Sisco Heights 4
- Smokey Point 4
- South Bend 4
- South Hill 4
- South Wenatchee 4
- Southworth 4
- Spanaway 4
- Stanwood 4
- Sudden Valley 4
- Summit 4
- Summit View 4
- Sumner 4
- Sunnyside 4
- Tanglewilde 4
- Tanglewilde-Thompson Place 4
- Three Lakes 4
- Toppenish 4
- Town and Country 4
- Tracyton 4
- Union Gap 4
- Vancouver 4
- Venersborg 4
- Waitsburg 4
- Walnut Grove 4
- Warden 4
- Wauna 4
- West Lake Sammamish 4
- West Lake Stevens 4
- West Longview 4
- West Pasco 4
- West Side Highway 4
- West Wenatchee 4
- White Center 4
- White Swan 4
- Wilderness Rim 4
- Willard 4
- Winlock 4
- Wollochet 4
- Woods Creek 4
- Yacolt 4
- Zillah 4
- Anacortes 3
- Arlington 3
- Belfair 3
- Brier 3
- Bryn Mawr-Skyway 3
- Buckley 3
- Camano 3
- Cheney 3
- Decatur Island 3
- Fall City 3
- Granite Falls 3
- Grays Harbor 3
- Indianola 3
- Jefferson 3
- LaCrosse 3
- Medina 3
- Picnic Point-North Lynnwood 3
- Poulsbo 3
- Rosalia 3
- Sedro-Woolley 3
- Snohomish 3
- Stevenson 3
- Taholah 3
- Washougal 3
- Burlington 2
- Coupeville 2
- Gold Bar 2
- Port Orchard 2
- Ravensdale 2
- Ritzville 2
- Riverbend 2
- San Juan 2
- Sumas 2
- Whatcom 2
- Aberdeen 1
- Custer 1
- Davenport 1
- Martha Lake 1
- Mattawa 1
- Mesa 1
- Ocean Park 1
- Point Roberts 1
- Pomeroy 1
- Trentwood 1
- Wellpinit 1
- Airway Heights 0
- Birch Bay 0
- Marietta 0
- Maryhill 0
- Orondo 0
- West Richland 0
AQI US, Metric