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Air quality in Delaware
Air quality index (AQI) and PM2.5 air pollution in Delaware
LIVE AQI CITY RANKING
Real-time Delaware
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Claymont | 67 |
| 2 | New Castle | 54 |
| 3 | Middletown | 53 |
| 4 | Milford | 53 |
| 5 | Wilmington | 52 |
| 6 | Glasgow | 51 |
| 7 | Dover | 47 |
| 8 | Edgemoor | 46 |
| 9 | Brookside | 44 |
| 10 | Pike Creek | 44 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
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LIVE AQI CITY RANKING
Real-time Delaware
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Rehoboth Beach | 19 |
| 2 | Bear | 32 |
| 3 | Seaford | 35 |
| 4 | Newark | 38 |
| 5 | Delaware City | 41 |
| 6 | Felton | 41 |
| 7 | Millsboro | 41 |
| 8 | Brookside | 44 |
| 9 | Pike Creek | 44 |
| 10 | Edgemoor | 46 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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The latest air quality news and resources.
Delaware air quality data attribution
19Contributors
Government Contributor
- 18 Anonymous contributors
18 stations
18 Anonymous Contributors
Which is the most polluted city in Delaware?
- Claymont 67
- Greenville 55
- Hockessin 55
- North Star 55
- Bellefonte 54
- Elsmere 54
- New Castle 54
- Newport 54
- Pike Creek Valley 54
- Middletown 53
- Milford 53
- Wilmington Manor 53
- Townsend 52
- Wilmington 52
- Glasgow 51
- Clayton 47
- Dover 47
- Edgemoor 46
- Smyrna 45
- Brookside 44
- Pike Creek 44
- Cheswold 43
- Delaware City 41
- Felton 41
- Millsboro 41
- Camden 40
- Highland Acres 40
- Kent Acres 40
- Rodney Village 40
- Wyoming 40
- Dover Base Housing 39
- Rising Sun-Lebanon 39
- Woodside East 39
- Harrington 38
- Newark 38
- Riverview 38
- Greenwood 35
- Seaford 35
- Bridgeville 33
- Bear 32
- Blades 30
- Laurel 28
- Delmar 26
- Lewes 25
- Bethany Beach 24
- Georgetown 24
- Long Neck 24
- Milton 24
- Ocean View 24
- Selbyville 24
- Rehoboth Beach 19
AQI US, Metric