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Air quality in Maryland
Air quality index (AQI) and PM2.5 air pollution in Maryland
LIVE AQI CITY RANKING
Real-time Maryland
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Essex | 36 |
| 2 | Charlotte Hall | 35 |
| 3 | Cambridge | 34 |
| 4 | West Laurel | 25 |
| 5 | Elkton | 22 |
| 6 | North Potomac | 22 |
| 7 | Chesapeake Beach | 20 |
| 8 | Overlea | 17 |
| 9 | Pikesville | 17 |
| 10 | Thurmont | 17 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
193 Contributors
See all
LIVE AQI CITY RANKING
Real-time Maryland
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Derwood | 0 |
| 2 | Beltsville | 5 |
| 3 | Gaithersburg | 5 |
| 4 | Parole | 5 |
| 5 | Frostburg | 6 |
| 6 | Hyattsville | 6 |
| 7 | North Laurel | 6 |
| 8 | Brandywine | 7 |
| 9 | Columbia | 7 |
| 10 | Glenn Dale | 7 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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The latest air quality news and resources.
Maryland air quality data attribution
193Contributors
- Maryland Department of the Environment
22 stations
- USA National Park Service
1 station
2 Government Contributors
Non-profit organization Contributor
- Ammar Rai
1 station
- Luis de Silva
1 station
- hillmead park
1 station
- TJ
1 station
- TFrey
1 station
- enilso
1 station
- harveytig
1 station
7 Individual Contributors
183 Anonymous contributors183 stations
183 Anonymous Contributors
Which is the most polluted city in Maryland?
- Essex 36
- Prince Frederick 36
- Charlotte Hall 35
- Cambridge 34
- Sykesville 33
- Upper Marlboro 33
- Churchville 32
- Laurel 31
- Chillum 28
- West Laurel 25
- Elkton 22
- North Potomac 22
- Chesapeake Beach 20
- Taneytown 19
- Highfield-Cascade 18
- Manchester 18
- New Windsor 18
- Hampstead 17
- Linganore 17
- Overlea 17
- Pikesville 17
- Rising Sun 17
- Thurmont 17
- Walkersville 17
- Woodsboro 17
- Aberdeen 16
- Adamstown 16
- Bartonsville 16
- Bel Air 16
- Bel Air North 16
- Bel Air South 16
- Braddock Heights 16
- Buckeystown 16
- Cavetown 16
- Charlestown 16
- Clover Hill 16
- Darnestown 16
- Eldersburg 16
- Fallston 16
- Garrison 16
- Germantown 16
- Glen Burnie 16
- Green Valley 16
- Havre de Grace 16
- Highland 16
- Hunt Valley 16
- Jarrettsville 16
- Jefferson 16
- Joppatowne 16
- Landover 16
- Montgomery Village 16
- Myersville 16
- North Bel Air 16
- North East 16
- Perryville 16
- Pleasant Hills 16
- Point of Rocks 16
- Poolesville 16
- Princess Anne 16
- Randallstown 16
- Redland 16
- Riverside 16
- Severn 16
- Smithsburg 16
- South Bel Air 16
- Spring Ridge 16
- Travilah 16
- University Park 16
- Aberdeen Proving Ground 15
- Arbutus 15
- Ashton-Sandy Spring 15
- Aspen Hill 15
- Ballenger Creek 15
- Baltimore Highlands 15
- Boonsboro 15
- Bowleys Quarters 15
- Cabin John 15
- Carney 15
- Clinton 15
- Cloverly 15
- Dundalk 15
- Edgemere 15
- Edgewood 15
- Elkridge 15
- Ellicott City 15
- Forest Heights 15
- Frederick 15
- Fulton 15
- Garrett Park 15
- Glenmont 15
- Grasonville 15
- Green Haven 15
- Greensboro 15
- Hampton 15
- Hughesville 15
- Ilchester 15
- Kingstown 15
- Kingsville 15
- Lansdowne 15
- Layhill 15
- Leisure World 15
- Lochearn 15
- Lutherville 15
- Lutherville-Timonium 15
- Mays Chapel 15
- Middle River 15
- Middletown 15
- North Kensington 15
- Olney 15
- Owings Mills 15
- Perry Hall 15
- Perryman 15
- Queen Anne 15
- Reisterstown 15
- Ridgely 15
- Robinwood 15
- Rock Hall 15
- Rosedale 15
- Rossmoor 15
- Rossville 15
- Saint Michaels 15
- Silver Spring 15
- South Kensington 15
- Spencerville 15
- Stevensville 15
- Timonium 15
- Trappe 15
- Wheaton 15
- White Marsh 15
- Woodlawn 15
- Accokeek 14
- Adelphi 14
- Algonquin 14
- Andrews AFB 14
- Arden on the Severn 14
- Arnold 14
- Bennsville 14
- Berwyn Heights 14
- Bladensburg 14
- Bowie 14
- Brentwood 14
- Brock Hall 14
- Brooklyn Park 14
- Brookmont 14
- Brunswick 14
- Bryans Road 14
- Burtonsville 14
- Calverton 14
- Camp Springs 14
- Cape Saint Claire 14
- Chevy Chase Village 14
- Coral Hills 14
- Cottage City 14
- Crofton 14
- Croom 14
- Crownsville 14
- Davidsonville 14
- Deale 14
- District Heights 14
- East Riverdale 14
- Edgewater 14
- Edmonston 14
- Fairland 14
- Fairmount Heights 14
- Fairwood 14
- Ferndale 14
- Forest Glen 14
- Forestville 14
- Fort George G Mead Junction 14
- Fort Meade 14
- Fort Washington 14
- Fountainhead-Orchard Hills 14
- Four Corners 14
- Friendly 14
- Friendship Village 14
- Gambrills 14
- Glassmanor 14
- Glenarden 14
- Goddard 14
- Greater Upper Marlboro 14
- Halfway 14
- Herald Harbor 14
- Hillandale 14
- Hillcrest Heights 14
- Hillsmere Shores 14
- Indian Head 14
- Jessup 14
- Kemp Mill 14
- Kettering 14
- Lake Arbor 14
- Lake Shore 14
- Landover Hills 14
- Langley Park 14
- Lanham 14
- Lanham-Seabrook 14
- Linthicum 14
- Londontowne 14
- Marlboro Village 14
- Marlow Heights 14
- Marlton 14
- Maryland City 14
- Maugansville 14
- Mayo 14
- Mellwood 14
- Mitchellville 14
- Morningside 14
- Mount Rainier 14
- Mountain Lake Park 14
- National Harbor 14
- Naval Academy 14
- New Carrollton 14
- North Beach 14
- Oakland 14
- Odenton 14
- Owings 14
- Oxon Hill-Glassmanor 14
- Paramount-Long Meadow 14
- Pasadena 14
- Peppermill Village 14
- Pocomoke City 14
- Potomac 14
- Potomac Heights 14
- Pumphrey 14
- Queenland 14
- Riva 14
- Riviera Beach 14
- Rosaryville 14
- Saint James 14
- Scaggsville 14
- Seabrook 14
- Selby-on-the-Bay 14
- Severna Park 14
- Shady Side 14
- Silver Hill 14
- Somerset 14
- South Gate 14
- South Laurel 14
- Springdale 14
- Suitland 14
- Suitland-Silver Hill 14
- Summerfield 14
- Temple Hills 14
- Waldorf 14
- Walker Mill 14
- West Elkridge 14
- Westphalia 14
- White Oak 14
- Woodmore 14
- Baden 13
- Baltimore 13
- Chesapeake Ranch Estates 13
- Cockeysville 13
- Drum Point 13
- Dunkirk 13
- Dunkirk Town Center 13
- Hagerstown 13
- Huntingtown 13
- Huntingtown Town Center 13
- Long Beach 13
- Marlboro Meadows 13
- North Bethesda 13
- Saint Charles 13
- St. Charles 13
- Williamsport 13
- Wilson-Conococheague 13
- Bethesda 12
- California 12
- Catonsville 12
- Chestertown 12
- Clarksburg 12
- College Park 12
- Colmar Manor 12
- Denton 12
- Easton 12
- Golden Beach 12
- Greenbelt 12
- Hanover 12
- Lonaconing 12
- Lothian 12
- Oxon Hill 12
- Seat Pleasant 12
- Solomons 12
- Urbana 12
- Westernport 12
- Annapolis 11
- Bowling Green 11
- Cresaptown 11
- Cumberland 11
- Emmitsburg 11
- Federalsburg 11
- Hancock 11
- Hurlock 11
- La Vale 11
- Milford Mill 11
- Mount Airy 11
- Parkville 11
- Potomac Park 11
- Saint Mary 11
- Capitol Heights 10
- Cheverly 10
- Cobb Island 10
- Colesville 10
- Crisfield 10
- Hebron 10
- Largo 10
- Millington 10
- Riverdale Park 10
- Chester 9
- Chevy Chase 9
- Damascus 9
- Fruitland 9
- Kensington 9
- Leonardtown 9
- Lexington Park 9
- Lusby 9
- Mechanicsville 9
- Rockville 9
- Salisbury 9
- Savage 9
- Takoma Park 9
- Towson 9
- Berlin 8
- Centreville 8
- Keedysville 8
- Ocean City 8
- Ocean Pines 8
- Pittsville 8
- Snow Hill 8
- West Ocean City 8
- Brandywine 7
- Columbia 7
- Glenn Dale 7
- La Plata 7
- Westminster 7
- Frostburg 6
- Hyattsville 6
- North Laurel 6
- Beltsville 5
- Gaithersburg 5
- Parole 5
- Derwood 0
AQI US, Metric