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 | Seaford | 30 |
| 2 | Felton | 29 |
| 3 | Bear | 24 |
| 4 | Dover | 21 |
| 5 | New Castle | 20 |
| 6 | Wilmington | 19 |
| 7 | Georgetown | 18 |
| 8 | Harrington | 16 |
| 9 | Rehoboth Beach | 16 |
| 10 | Millsboro | 15 |
(local time)
SEE WORLD AQI RANKINGAir Quality contributors Sources
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LIVE AQI CITY RANKING
Real-time Delaware
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Claymont | 11 |
| 2 | North Star | 11 |
| 3 | Milton | 13 |
| 4 | Hockessin | 14 |
| 5 | Millsboro | 15 |
| 6 | Harrington | 16 |
| 7 | Rehoboth Beach | 16 |
| 8 | Georgetown | 18 |
| 9 | Wilmington | 19 |
| 10 | New Castle | 20 |
(local time)
SEE WORLD AQI RANKING3D animated air pollution map
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
How to best protect from air pollution?
Delaware air quality data sources
Which is the most polluted city in Delaware?
- Seaford30
- Felton29
- Bellefonte25
- Greenville25
- Bear24
- Brookside21
- Camden21
- Cheswold21
- Clayton21
- Delaware City21
- Dover21
- Edgemoor21
- Elsmere21
- Glasgow21
- Middletown21
- Newark21
- Newport21
- Pike Creek21
- Pike Creek Valley21
- Smyrna21
- Townsend21
- Wilmington Manor21
- Woodside East21
- Wyoming21
- New Castle20
- Wilmington19
- Georgetown18
- Bethany Beach17
- Blades17
- Bridgeville17
- Delmar17
- Dover Base Housing17
- Greenwood17
- Highland Acres17
- Kent Acres17
- Laurel17
- Long Neck17
- Milford17
- Ocean View17
- Rising Sun-Lebanon17
- Riverview17
- Rodney Village17
- Selbyville17
- Harrington16
- Rehoboth Beach16
- Millsboro15
- Hockessin14
- Lewes13
- Milton13
- Claymont11
- North Star11
