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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 |  Waitsburg | 62 |
| 2 | Ocean Shores | 56 |
| 3 | Dayton | 54 |
| 4 | Pomeroy | 54 |
| 5 | Esperance | 51 |
| 6 | Grand Coulee | 41 |
| 7 | Lost River | 40 |
| 8 | Concrete | 37 |
| 9 | Mazama | 36 |
| 10 | Winthrop | 34 |
(Local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
1124 Contributors
See all
LIVE AQI CITY RANKING
Real-time Washington
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | West Richland | 3 |
| 2 | Airway Heights | 6 |
| 3 | Gleed | 6 |
| 4 | Rice | 6 |
| 5 | Belfair | 8 |
| 6 | Hoodsport | 9 |
| 7 | Mason | 9 |
| 8 | University Place | 9 |
| 9 | Brinnon | 11 |
| 10 | Edgewood | 11 |
(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
1124Contributors
- Washington Department of Ecology
61 stations
- Washington USA
4 stations
- Northwest Clean Air Agency
9 stations
- Puget Sound Clean Air Agency
4 stations
- USA National Park Service
8 stations
5 Government Contributors
- Methow Valley Citizens Council (MVCC)
9 stations
- grounds department
1 station
- sysadmin-wpz
1 station
ILD HP1 station
4 Non-profit organization Contributors
- SeattleFreeze
1 station
Portland State University (PSU)2 stations
- Thom Proehl
1 station
3 Educational Contributors
Rogue Detection Teams1 station
Corporate Contributor
Dan1 station
- AB
1 station
- Quinn
1 station
- william selig
1 station
Opuelas1 station
- robc7777
1 station
- Dev Lab 101
1 station
- J_T_W
1 station
Anonymous1 station
- IQAir Community Member
1 station
- C.m.
1 station
- KP
1 station
- Zac
1 station
- Daniela
2 stations
Mason1 station
31st and Howe1 station
- megan
1 station
- Tom
1 station
EKLynx2 stations
- Chiara Coetzee
1 station
The Chameleon1 station
kp31 station
Joseph Gleason2 stations
Bay1 station
- Tim H
1 station
Shaun Bell1 station
- Pop Ongsakorn
1 station
- Scott Thurlow
1 station
- Samuel Herschbein
1 station
- Noah Lieberman
1 station
- Joseph M
1 station
Anonymous1 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
- jstucker
1 station
DN1 station
- Christian Johannessen
1 station
- Nathaniel Blue
1 station
Fruitland St1 station
- Swinefeaster X
1 station
- Bill Predmore
1 station
- Jay Sauls
1 station
- IWIQAir
1 station
- balldt
1 station
- Adam
1 station
- Patrick Boehnke
1 station
- S. Lancaster
1 station
- Lewis
1 station
- amateuracres
1 station
- house
1 station
Em1 station
- Kenneth Hamer
1 station
- C
1 station
- raphael
1 station
- John Bullivant
1 station
- scb-iqair
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
- LoisMcDermott
1 station
- Emma Fuller
1 station
- David Van Berkem
1 station
Kurt Gazow1 station
- Opie
1 station
- Taylor Black
1 station
Jacki Myers1 station
- EH
1 station
- SFHouse
1 station
- Taylor
1 station
- Jim Scardelis
1 station
- GV
1 station
- ashley
1 station
Wise Acres1 station
BaseCamp1 station
- Chris
1 station
- Jim Woolley
1 station
- Azrael
1 station
PB1 station
- Lfton
1 station
- IQAir Community Member
1 station
- Anonymous
1 station
- Mark McLaughlin
1 station
- Barnaby Jeans
1 station
- Clemens
1 station
- Breathe Easy
1 station
- Bryan
1 station
- J
1 station
- Dale White
1 station
mimbo1 station
Graham McIntyre1 station
Woodinville Resident1 station
- IQAir Community Member
1 station
Mr. View Ridge1 station
- Adil Wali
1 station
- IQAir Community Member
1 station
- Tanya Botta
1 station
WhidbeyWonders1 station
- Truth
1 station
112 Individual Contributors
999 Anonymous contributors999 stations
999 Anonymous Contributors
Which is the most polluted city in Washington?
- Eltopia 119
- Waitsburg 62
- Ocean Shores 56
- Dayton 54
- Pomeroy 54
- Esperance 51
- Birch Bay 44
- Geneva 44
- Marietta 44
- Marietta-Alderwood 44
- Sudden Valley 43
- Grand Coulee 41
- Clear Lake 40
- Lost River 40
- Ault Field 39
- Big Lake 39
- Decatur Island 39
- Marblemount 38
- Rockport 38
- Skagit 38
- Arlington Heights 37
- Bryant 37
- Concrete 37
- Smokey Point 37
- Warm Beach 37
- Mazama 36
- Lochsloy 35
- Sisco Heights 35
- Bunk Foss 34
- Machias 34
- West Lake Stevens 34
- Winthrop 34
- Alderwood Manor 33
- Algona 33
- Bothell West 33
- City of Sammamish 33
- Clearview 33
- East Renton Highlands 33
- Eastmont 33
- Fobes Hill 33
- Larch Way 33
- Meadowdale 33
- Mill Creek East 33
- Picnic Point 33
- Port Ludlow 33
- Silver Firs 33
- Three Lakes 33
- Bothell East 32
- Kingsgate 32
- Lakeland South 32
- Lofall 32
- Manchester 32
- Martha Lake 32
- Monroe North 32
- Oroville 32
- Poulsbo 32
- Bangor Trident Base 31
- Bonney Lake 31
- Boulevard Park 31
- Bryn Mawr-Skyway 31
- Burien 31
- Chattaroy 31
- Chico 31
- Davenport 31
- Eastgate 31
- Enetai 31
- Erlands Point-Kitsap Lake 31
- Mercer Island 31
- Navy Yard City 31
- Newcastle 31
- Parkwood 31
- Riverton 31
- Rochester 31
- Rocky Point 31
- SeaTac 31
- Southworth 31
- Tracyton 31
- West Lake Sammamish 31
- Auburn 30
- Bethel 30
- Burley 30
- Canterwood 30
- East Hill-Meridian 30
- Fife Heights 30
- Klahanie 30
- Lakeland North 30
- Maple Heights-Lake Desire 30
- Maplewood 30
- Purdy 30
- Stevenson 30
- West Valley 30
- Browns Point 29
- Colbert 29
- Fife 29
- Fircrest 29
- Fox Island 29
- Kennewick 29
- Lea Hill 29
- Manson 29
- Metaline 29
- Milton 29
- Mukilteo 29
- North Puyallup 29
- Rosedale 29
- Summit 29
- Sumner 29
- Wauna 29
- Wollochet 29
- Alderton 28
- Bellevue 28
- Bingen 28
- Bridgeport 28
- Buckley 28
- Cheney 28
- Crocker 28
- Everett 28
- Frederickson 28
- Graham 28
- Greenbank 28
- McChord Air Force Base 28
- McMillin 28
- Methow 28
- Midland 28
- Normandy Park 28
- Okanogan 28
- Orondo 28
- Orting 28
- Pacific 28
- Parkland 28
- Prairie Heights 28
- Prairie Ridge 28
- Ravensdale 28
- Renton 28
- Roosevelt 28
- South Hill 28
- Steilacoom 28
- Summit View 28
- Tukwila 28
- Washougal 28
- Almira 27
- Camas 27
- Carson 27
- Chelan 27
- Clyde Hill 27
- College Place 27
- Coulee Dam 27
- Covington 27
- East Wenatchee 27
- Elk Plain 27
- Harrington 27
- Key Center 27
- Lake Forest Park 27
- Lake Morton-Berrydale 27
- Maple Falls 27
- North Fort Lewis 27
- Omak 27
- Spokane 27
- Sunnyslope 27
- Twisp 27
- Vancouver 27
- Walla Walla East 27
- Waller 27
- Allyn 26
- Asotin 26
- Basin City 26
- Benton City 26
- Bow 26
- Clarkston Heights-Vineland 26
- Colfax 26
- Connell 26
- Deer Park 26
- Dishman 26
- DuPont 26
- Elma 26
- Fairchild Air Force Base 26
- Finley 26
- Grandview 26
- Highland 26
- Home 26
- Joint Base Lewis McChord 26
- Kahlotus 26
- Kettle Falls 26
- Lake Stevens 26
- Liberty Lake 26
- Longview Heights 26
- Moses Lake 26
- Moxee 26
- North Yelm 26
- Richland 26
- Shoreline 26
- Town and Country 26
- Wapato 26
- Warden 26
- Waterville 26
- Wenatchee 26
- West Clarkston-Highland 26
- West Pasco 26
- Westport 26
- Yakima 26
- Yarrow Point 26
- Cathlamet 25
- Darrington 25
- Edmonds 25
- Federal Way 25
- Garrett 25
- Lakewood 25
- Longbranch 25
- Seattle 25
- Terrace Heights 25
- Wilderness Rim 25
- Wilson Creek 25
- Ames Lake 24
- Bainbridge Island 24
- Chewelah 24
- Clinton 24
- Elk 24
- Entiat 24
- Enumclaw 24
- Inchelium 24
- Kalama 24
- Kent 24
- Marysville 24
- Mill Creek 24
- Monroe 24
- Morton 24
- Pasco 24
- Pateros 24
- Peaceful Valley 24
- Puyallup 24
- Rainier 24
- Tanglewilde 24
- Tanglewilde-Thompson Place 24
- Tanner 24
- Tulalip 24
- White Salmon 24
- Woodway 24
- Addy 23
- Anacortes 23
- Baring 23
- Conconully 23
- Duvall 23
- Eatonville 23
- Electric City 23
- Kelso 23
- Kenmore 23
- Kirkland 23
- Lynden 23
- Mabton 23
- Maltby 23
- Mead 23
- Medical Lake 23
- Minnehaha 23
- Mossyrock 23
- Naches 23
- Nile 23
- Nine Mile Falls 23
- Oak Harbor 23
- Opportunity 23
- Othello 23
- Pine Grove 23
- Underwood 23
- Valley 23
- Walla Walla 23
- Woodinville 23
- Woods Creek 23
- Artondale 22
- Brewster 22
- Brier 22
- Burlington 22
- Castle Rock 22
- Cle Elum 22
- Colville 22
- Ferndale 22
- Index 22
- Kingston 22
- Langley 22
- Longview 22
- Mirrormont 22
- Newport 22
- Oakville 22
- Otis Orchards-East Farms 22
- Picnic Point-North Lynnwood 22
- Raymond 22
- Sammamish 22
- San Juan 22
- Sedro-Woolley 22
- Selah 22
- Sunnyside 22
- Amboy 21
- Arlington 21
- Battle Ground 21
- Chehalis 21
- Cottage Lake 21
- Custer 21
- Dallesport 21
- Diablo 21
- Everson 21
- Fern Prairie 21
- Fords Prairie 21
- Gold Bar 21
- Goldendale 21
- Klickitat 21
- Leavenworth 21
- Lyle 21
- Medina 21
- Napavine 21
- Neah Bay 21
- Nooksack 21
- Pacific Beach 21
- Prosser 21
- Riverbend 21
- Silverdale 21
- Snohomish 21
- Spokane Valley 21
- Starbuck 21
- Tacoma 21
- Taholah 21
- Tonasket 21
- Tulalip Bay 21
- Union Hill-Novelty Hill 21
- Vashon 21
- Venersborg 21
- Veradale 21
- Willard 21
- Bellingham 20
- Bremerton 20
- Gig Harbor 20
- Grand Mound 20
- Hockinson 20
- Lake Marcel-Stillwater 20
- Lake Shore 20
- Lewisville 20
- Mill Plain 20
- Pullman 20
- Redmond 20
- Republic 20
- Stanwood 20
- Woodland 20
- Aberdeen 19
- Ahtanum 19
- Bothell 19
- Brush Prairie 19
- Burbank 19
- Camano 19
- Carnation 19
- Cascade Valley 19
- Desert Aire 19
- East Port Orchard 19
- Ephrata 19
- Fall City 19
- Five Corners 19
- Granger 19
- Havillah 19
- La Center 19
- Meadow Glade 19
- Moses Lake North 19
- North Bend 19
- Olga 19
- Orchards 19
- Palouse 19
- Quincy 19
- Union Gap 19
- Walnut Grove 19
- White Swan 19
- Winlock 19
- Zillah 19
- Barberton 18
- Cashmere 18
- Clarkston 18
- Cusick 18
- Des Moines 18
- Dollar Corner 18
- Felida 18
- Granite Falls 18
- Hazel Dell 18
- Hoquiam 18
- Lacey 18
- Lynnwood 18
- Mesa 18
- Mount Vista 18
- Olympia 18
- Royal City 18
- Salmon Creek 18
- Soap Lake 18
- Tumwater 18
- Ashford 17
- Black Diamond 17
- Cathcart 17
- Country Homes 17
- Coupeville 17
- Eastsound 17
- Issaquah 17
- Lopez Island 17
- Lummi Island 17
- Maple Valley 17
- Mount Vernon 17
- Newhalem 17
- Newman Lake 17
- North Creek 17
- Port Townsend 17
- Rosalia 17
- Shelton 17
- Spanaway 17
- Suquamish 17
- Toppenish 17
- Trout Lake 17
- West Side Highway 17
- White Center 17
- Yacolt 17
- Yelm 17
- Fairwood 16
- Freeland 16
- Friday Harbor 16
- Hobart 16
- Inglewood-Finn Hill 16
- Seabeck 16
- Wellpinit 16
- West Longview 16
- Forks 15
- Lake Stickney 15
- Long Beach 15
- Mountlake Terrace 15
- Ocean Park 15
- Ritzville 15
- Sultan 15
- Sumas 15
- Tenino 15
- Tieton 15
- Blaine 14
- Centralia 14
- East Wenatchee Bench 14
- Kittitas 14
- Maryhill 14
- McCleary 14
- Port Angeles East 14
- Port Orchard 14
- Sekiu 14
- Sequim 14
- Snoqualmie 14
- South Wenatchee 14
- West Wenatchee 14
- Deer Harbor 13
- Point Roberts 13
- Port Angeles 13
- Ridgefield 13
- Ronald 13
- Trentwood 13
- Whatcom 13
- Ellensburg 12
- Jefferson 12
- LaCrosse 12
- Mattawa 12
- Orcas 12
- Port Hadlock-Irondale 12
- Quinault 12
- South Bend 12
- Brinnon 11
- Central Park 11
- Cosmopolis 11
- Edgewood 11
- Grays Harbor 11
- Hansville 11
- Millwood 11
- Montesano 11
- Hoodsport 9
- Mason 9
- University Place 9
- Belfair 8
- Indianola 7
- Tahuya 7
- Airway Heights 6
- Gleed 6
- Rice 6
- West Richland 3
AQI US, Metric