Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
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 | 76 |
| 2 | Pike Creek | 56 |
| 3 | Brookside | 55 |
| 4 | Newark | 55 |
| 5 | Edgemoor | 54 |
| 6 | Dover | 53 |
| 7 | Middletown | 53 |
| 8 | Wilmington | 53 |
| 9 | Delaware City | 52 |
| 10 | Milford | 52 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
21 Contributors
See all
LIVE AQI CITY RANKING
Real-time Delaware
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Rehoboth Beach | 30 |
| 2 | Bear | 38 |
| 3 | Millsboro | 42 |
| 4 | Seaford | 43 |
| 5 | Felton | 49 |
| 6 | Glasgow | 51 |
| 7 | Delaware City | 52 |
| 8 | Milford | 52 |
| 9 | New Castle | 52 |
| 10 | Dover | 53 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
News
The latest air quality news and resources.
Delaware air quality data attribution
21Contributors
Government Contributor
- 20 Anonymous contributors
20 stations
20 Anonymous Contributors
Which is the most polluted city in Delaware?
- Claymont 76
- Pike Creek 56
- Brookside 55
- Newark 55
- Edgemoor 54
- Dover 53
- Middletown 53
- Wilmington 53
- Delaware City 52
- Milford 52
- New Castle 52
- Glasgow 51
- Hockessin 51
- North Star 51
- Felton 49
- Pike Creek Valley 49
- Greenville 48
- Bellefonte 47
- Elsmere 46
- Newport 45
- Wilmington Manor 44
- Seaford 43
- Millsboro 42
- Townsend 39
- Bear 38
- Clayton 34
- Lewes 34
- Smyrna 34
- Cheswold 30
- Rehoboth Beach 30
- Camden 28
- Dover Base Housing 28
- Highland Acres 28
- Kent Acres 28
- Rising Sun-Lebanon 28
- Rodney Village 28
- Woodside East 28
- Wyoming 28
- Riverview 27
- Harrington 26
- Greenwood 23
- Bridgeville 21
- Blades 18
- Laurel 17
- Delmar 15
- Georgetown 13
- Milton 12
- Bethany Beach 7
- Long Neck 7
- Ocean View 7
- Selbyville 7
AQI US, Metric