deiG Hong Kong Air Quality Indices
| 2025-04-04 11:18 🔄 |
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| Urban core 港九市區 | Whole territories 全境 |
49 Good |
53 Fair |
| Location | AQI | Level | Dom. | ||
|---|---|---|---|---|---|
| HK | Central/Western | 中西區 | 46 | Good | PM₂₅ |
PM₂₅ O₃ PM₁₀ NO₂ SO₂ μg/m³ 10.3 106.3 34.0 22.5 2.4 iAQI 43 43 31 11 1 | |||||
| Eastern | 東區 | 52 | Fair | PM₂₅ | |
PM₂₅ O₃ PM₁₀ NO₂ SO₂ μg/m³ 13.2 109.2 34.1 32.7 2.8 iAQI 53 44 32 16 1 | |||||
| Southern | 南區 | 54 | Fair | PM₂₅ | |
PM₂₅ O₃ PM₁₀ NO₂ SO₂ μg/m³ 13.9 115.0 31.1 17.8 4.3 iAQI 54 46 29 9 2 | |||||
| Kln | Sham Shui Po | 深水埗 | 53 | Fair | PM₂₅ |
PM₂₅ O₃ PM₁₀ NO₂ SO₂ μg/m³ 15.2 87.8 33.7 35.0 4.9 iAQI 57 35 31 17 3 | |||||
| Kwun Tong | 觀塘 | 45 | Good | PM₂₅ | |
PM₂₅ O₃ PM₁₀ NO₂ SO₂ μg/m³ 10.7 94.7 30.4 32.6 2.1 iAQI 45 38 28 16 1 | |||||
| New Territories | Tung Chung | 東涌 | 56 | Fair | PM₂₅ |
PM₂₅ O₃ PM₁₀ NO₂ SO₂ μg/m³ 15.4 114.1 30.7 17.1 4.9 iAQI 57 46 28 8 3 | |||||
| Tuen Mun | 屯門 | 68 | Fair | PM₂₅ | |
PM₂₅ PM₁₀ O₃ NO₂ SO₂ μg/m³ 23.7 45.9 89.7 35.6 7.3 iAQI 75 42 36 17 4 | |||||
| Yuen Long | 元朗 | 48 | Good | PM₂₅ | |
PM₂₅ O₃ PM₁₀ NO₂ SO₂ μg/m³ 12.1 96.6 27.1 29.6 3.2 iAQI 50 39 25 15 2 | |||||
| Tsuen Wan | 荃灣 | 49 | Good | PM₂₅ | |
PM₂₅ O₃ PM₁₀ NO₂ SO₂ μg/m³ 13.4 88.5 27.6 28.7 3.5 iAQI 53 36 26 14 2 | |||||
| Kwai Chung | 葵涌 | 51 | Fair | PM₂₅ | |
PM₂₅ O₃ PM₁₀ NO₂ SO₂ μg/m³ 14.1 94.7 30.5 34.2 2.5 iAQI 54 38 28 17 1 | |||||
| North | 北區 | 60 | Fair | PM₂₅ | |
PM₂₅ O₃ PM₁₀ NO₂ SO₂ μg/m³ 17.2 119.1 40.8 16.3 3.1 iAQI 61 48 38 8 2 | |||||
| Tai Po | 大埔 | 58 | Fair | PM₂₅ | |
PM₂₅ O₃ PM₁₀ NO₂ SO₂ μg/m³ 14.6 132.4 35.2 15.6 5.2 iAQI 56 53 33 8 3 | |||||
| Sha Tin | 沙田 | 50 | Good | O₃ | |
O₃ PM₂₅ PM₁₀ NO₂ SO₂ μg/m³ 122.8 10.5 27.5 13.3 4.5 iAQI 49 44 25 7 2 | |||||
| Tseung Kwan O | 將軍澳 | 48 | Good | O₃ | |
O₃ PM₂₅ PM₁₀ NO₂ SO₂ μg/m³ 119.5 9.5 36.8 13.2 6.1 iAQI 48 40 34 6 3 | |||||
| rural | Tap Mun | 塔門 | 52 | Fair | O₃ |
O₃ PM₂₅ PM₁₀ NO₂ SO₂ μg/m³ 129.8 10.5 31.4 7.7 4.8 iAQI 52 44 29 4 3 | |||||
| roadside | Central | 中環 | 47 | Good | PM₂₅ |
PM₂₅ O₃ PM₁₀ NO₂ SO₂ μg/m³ 12.1 80.4 33.8 43.7 2.4 iAQI 50 32 31 21 1 | |||||
| Causeway Bay | 銅鑼灣 | 64 | Fair | PM₂₅ | |
PM₂₅ NO₂ PM₁₀ O₃ SO₂ μg/m³ 18.4 102.4 50.9 29.0 4.3 iAQI 64 50 47 12 2 | |||||
| Mong Kok | 旺角 | 50 | Good | PM₂₅ | |
PM₂₅ PM₁₀ O₃ NO₂ SO₂ μg/m³ 13.8 34.9 74.5 60.7 3.0 iAQI 54 32 30 30 2 | |||||
History & Stats
Locations of Stations
the Environmental Protection Department's Air Quality Monitoring Network;
The United States Environmental Protection Agency's standard, for individual pollutant scaling;
deiG
the University of Hong Kong's