Trend of zinc in PM₂.₅ annual means across the roadside air monitoring network, 2016-2022
- Zinc in PM₂.₅ (annual mean)
Trend of zinc in PM₂.₅ annual means across the roadside air monitoring network, 2016-2022Year | Zinc in PM₂.₅ (annual mean) |
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2016 | 40.1 ng/m³ |
2017 | 25 ng/m³ |
2018 | 24.4 ng/m³ |
2019 | 29.1 ng/m³ |
2020 | 19.3 ng/m³ |
2021 | 21.7 ng/m³ |
2022 | 19.7 ng/m³ |
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