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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 | 55 |
| 2 | New Castle | 54 |
| 3 | Glasgow | 42 |
| 4 | Wilmington | 39 |
| 5 | Millsboro | 37 |
| 6 | Pike Creek | 37 |
| 7 | Brookside | 36 |
| 8 | Felton | 36 |
| 9 | Newark | 36 |
| 10 | Middletown | 34 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
20 Contributors
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LIVE AQI CITY RANKING
Real-time Delaware
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Rehoboth Beach | 25 |
| 2 | Edgemoor | 28 |
| 3 | Milford | 29 |
| 4 | Seaford | 29 |
| 5 | Delaware City | 30 |
| 6 | Bear | 31 |
| 7 | Dover | 31 |
| 8 | Middletown | 34 |
| 9 | Brookside | 36 |
| 10 | Felton | 36 |
(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
20Contributors
Government Contributor
- 19 Anonymous contributors
19 stations
19 Anonymous Contributors
Which is the most polluted city in Delaware?
- Claymont 55
- New Castle 54
- Glasgow 42
- Wilmington 39
- Lewes 38
- Millsboro 37
- Pike Creek 37
- Brookside 36
- Felton 36
- Newark 36
- Middletown 34
- Bear 31
- Dover 31
- Delaware City 30
- Milford 29
- Seaford 29
- Blades 28
- Edgemoor 28
- Greenwood 28
- Delmar 27
- Laurel 27
- Bellefonte 26
- Camden 26
- Cheswold 26
- Clayton 26
- Dover Base Housing 26
- Elsmere 26
- Greenville 26
- Harrington 26
- Highland Acres 26
- Hockessin 26
- Kent Acres 26
- Newport 26
- North Star 26
- Pike Creek Valley 26
- Rising Sun-Lebanon 26
- Riverview 26
- Rodney Village 26
- Smyrna 26
- Townsend 26
- Wilmington Manor 26
- Woodside East 26
- Wyoming 26
- Rehoboth Beach 25
- Georgetown 24
- Milton 23
- Selbyville 22
- Long Neck 20
- Bridgeville 19
- Ocean View 19
- Bethany Beach 18
AQI US, Metric