Research Article
Temporal Variation and Concentration Weighted Trajectory Analysis of Lead in PM10 Aerosols at a Site in Central Delhi, India
Table 2
Comparison of ambient levels of lead with other studies worldwide.
| | Site | Characteristics | PM type | (ng/m3) | Reference |
| | India | | Central Delhi, India | Urban | PM10 | 835 | Present study | | Delhi, India | Urban (residential) | PM10 | 270–460 | [8] | | Agra, India | Urban | PM10 | 1100 | [21] | | Kolkata, India | Urban | SPM | 159 | [19] | | Mumbai, India | Urban | SPM | 101 | [22] | | Coimbatore, India | Rural | SPM | 210–620 | [23] | | Delhi, India | Urban | SPM | 440 | [24] |
| | Asia | | Lahore, Pakistan | Urban | PM10 | 4400 | [25] | | Karachi, Pakistan | Urban | SPM | 4000 | [26] | | Beijing, China | Rural | PM10 | 330 | [27] | | Lanzhou, China | Urban | PM2.5 | 635 | [28] | | Tehran, Iran | Urban | SPM | 1020 | [29] | | Seoul, Korea | Urban | PM10 | 200 | [30] |
| | Europe | | Istanbul, Turkey | Urban | PM10 | 70 | [31] | | Lecce, Italy | Urban (urban background) | PM10 | 8 | [32] | | Vienna, Austria | Urban | PM10 | 10 | [33] | | Huelva, Spain | Urban | PM10 | 20 | [34] | | Edinburgh, UK | Urban (urban background) | PM10 | 10 | [35] |
| | USA | | Los Angeles, USA | Urban | PM10 | 2 | [36] |
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SPM: suspended particulate matter, PM10: coarse particulate matter, PM2.5: fine particulate matter.
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