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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 | 69 |
| 2 | New Castle | 55 |
| 3 | Millsboro | 49 |
| 4 | Wilmington | 49 |
| 5 | Brookside | 43 |
| 6 | Glasgow | 43 |
| 7 | Milford | 43 |
| 8 | Newark | 40 |
| 9 | Dover | 39 |
| 10 | Edgemoor | 35 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
19 Contributors
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LIVE AQI CITY RANKING
Real-time Delaware
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Bridgeville | 6 |
| 2 | Rehoboth Beach | 22 |
| 3 | Bear | 29 |
| 4 | Seaford | 30 |
| 5 | Delaware City | 34 |
| 6 | Pike Creek | 34 |
| 7 | Edgemoor | 35 |
| 8 | Felton | 35 |
| 9 | Middletown | 35 |
| 10 | Dover | 39 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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Unhealthy for sensitive groups
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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 69
- New Castle 55
- Millsboro 49
- Wilmington 49
- North Star 47
- Hockessin 46
- Pike Creek Valley 45
- Brookside 43
- Glasgow 43
- Greenville 43
- Milford 43
- Bellefonte 40
- Elsmere 40
- Newark 40
- Dover 39
- Newport 39
- Wilmington Manor 36
- Edgemoor 35
- Felton 35
- Middletown 35
- Delaware City 34
- Pike Creek 34
- Seaford 30
- Townsend 30
- Bear 29
- Clayton 28
- Smyrna 27
- Cheswold 26
- Camden 25
- Dover Base Housing 25
- Highland Acres 25
- Kent Acres 25
- Rising Sun-Lebanon 25
- Rodney Village 25
- Woodside East 25
- Wyoming 25
- Harrington 24
- Riverview 24
- Greenwood 22
- Rehoboth Beach 22
- Blades 21
- Laurel 20
- Delmar 19
- Georgetown 17
- Milton 16
- Lewes 15
- Selbyville 14
- Bethany Beach 13
- Long Neck 13
- Ocean View 13
- Bridgeville 6
AQI US, Metric