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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 |  New Castle | 56 |
| 2 | Milford | 42 |
| 3 | Newark | 40 |
| 4 | Wilmington | 40 |
| 5 | Glasgow | 39 |
| 6 | Pike Creek | 38 |
| 7 | Brookside | 37 |
| 8 | Delaware City | 37 |
| 9 | Middletown | 37 |
| 10 | Dover | 36 |
(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 | Rehoboth Beach | 4 |
| 2 | Bear | 32 |
| 3 | Claymont | 33 |
| 4 | Millsboro | 33 |
| 5 | Seaford | 34 |
| 6 | Dover | 36 |
| 7 | Edgemoor | 36 |
| 8 | Felton | 36 |
| 9 | Brookside | 37 |
| 10 | Delaware City | 37 |
(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?
- Hockessin 56
- New Castle 56
- North Star 56
- Pike Creek Valley 56
- Elsmere 55
- Greenville 55
- Newport 55
- Bellefonte 54
- Townsend 54
- Wilmington Manor 54
- Clayton 53
- Smyrna 53
- Cheswold 52
- Wyoming 50
- Camden 49
- Kent Acres 49
- Rodney Village 49
- Highland Acres 48
- Woodside East 48
- Dover Base Housing 47
- Harrington 47
- Rising Sun-Lebanon 47
- Riverview 46
- Greenwood 45
- Milford 42
- Blades 40
- Newark 40
- Wilmington 40
- Glasgow 39
- Pike Creek 38
- Brookside 37
- Delaware City 37
- Middletown 37
- Dover 36
- Edgemoor 36
- Felton 36
- Laurel 36
- Seaford 34
- Claymont 33
- Millsboro 33
- Bear 32
- Delmar 32
- Georgetown 32
- Milton 31
- Lewes 27
- Long Neck 21
- Bethany Beach 19
- Ocean View 19
- Selbyville 19
- Bridgeville 6
- Rehoboth Beach 4
AQI US, Metric