deiG Hong Kong Air Quality Indices
| 2024-07-27 11:04 🔄 |
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| Urban core 港九市區 | Whole territories 全境 |
27 Good |
31 Good |
| Location | AQI | Level | Dominant | |||
|---|---|---|---|---|---|---|
| HK | Central/Western | 中西區 | 30 | Good | PM₂₅ | PM₁₀ |
PM₂₅ PM₁₀ O₃ NO₂ SO₂ μg/m³ 7.8 20.0 34.3 27.7 2.3 iAQI 32 19 14 14 1 | ||||||
| Eastern | 東區 | 19 | Excellent | |||
O₃ NO₂ PM₁₀ PM₂₅ SO₂ μg/m³ 49.9 27.2 5.9 1.3 0.6 iAQI 21 14 5 5 0 | ||||||
| Southern | 南區 | 37 | Good | PM₂₅ | PM₁₀ | |
PM₂₅ PM₁₀ O₃ NO₂ SO₂ μg/m³ 9.1 33.3 35.6 26.0 4.2 iAQI 38 31 15 13 2 | ||||||
| Kln | Sham Shui Po | 深水埗 | 32 | Good | PM₂₅ | NO₂ |
PM₂₅ NO₂ PM₁₀ O₃ SO₂ μg/m³ 8.0 51.6 20.2 11.0 3.1 iAQI 33 26 19 5 2 | ||||||
| Kwun Tong | 觀塘 | 26 | Good | NO₂ | PM₂₅ | |
NO₂ PM₂₅ PM₁₀ O₃ SO₂ μg/m³ 55.5 3.6 10.3 16.8 1.7 iAQI 28 15 10 7 1 | ||||||
| New Territories | Tung Chung | 東涌 | 22 | Excellent | ||
O₃ PM₂₅ PM₁₀ NO₂ SO₂ μg/m³ 50.1 5.0 13.1 18.8 0.3 iAQI 21 21 12 10 0 | ||||||
| Tuen Mun | 屯門 | 36 | Good | PM₂₅ | PM₁₀ | |
PM₂₅ PM₁₀ NO₂ O₃ SO₂ μg/m³ 9.2 29.0 38.5 15.4 3.4 iAQI 38 27 20 6 2 | ||||||
| Yuen Long | 元朗 | 38 | Good | PM₂₅ | PM₁₀ | |
PM₂₅ PM₁₀ NO₂ O₃ SO₂ μg/m³ 10.2 19.3 31.4 19.1 1.0 iAQI 42 18 16 8 1 | ||||||
| Tsuen Wan | 荃灣 | 29 | Good | PM₂₅ | NO₂ | |
PM₂₅ NO₂ PM₁₀ O₃ SO₂ μg/m³ 7.4 42.6 17.3 14.3 2.5 iAQI 31 22 16 6 1 | ||||||
| Kwai Chung | 葵涌 | 35 | Good | PM₂₅ | NO₂ | |
PM₂₅ NO₂ PM₁₀ O₃ SO₂ μg/m³ 8.5 59.0 20.0 12.0 5.6 iAQI 35 30 19 5 3 | ||||||
| North | 北區 | 44 | Good | PM₂₅ | PM₁₀ | |
PM₂₅ PM₁₀ O₃ NO₂ SO₂ μg/m³ 11.8 23.0 30.6 20.1 4.9 iAQI 49 21 13 10 3 | ||||||
| Tai Po | 大埔 | 26 | Good | PM₂₅ | NO₂ | |
PM₂₅ NO₂ PM₁₀ O₃ SO₂ μg/m³ 6.8 32.2 15.3 28.6 1.3 iAQI 28 16 14 12 1 | ||||||
| Sha Tin | 沙田 | 16 | Excellent | |||
O₃ NO₂ PM₂₅ PM₁₀ SO₂ μg/m³ 38.6 26.1 2.7 11.2 2.1 iAQI 16 13 11 10 1 | ||||||
| Tseung Kwan O | 將軍澳 | 38 | Good | PM₂₅ | PM₁₀ | |
PM₂₅ PM₁₀ O₃ NO₂ SO₂ μg/m³ 10.1 21.4 40.0 24.6 1.7 iAQI 42 20 17 13 1 | ||||||
| rural | Tap Mun | 塔門 | 23 | Excellent | ||
O₃ PM₂₅ PM₁₀ NO₂ SO₂ μg/m³ 61.2 2.9 10.0 2.3 1.8 iAQI 26 12 9 1 1 | ||||||
| roadside | Central | 中環 | 38 | Good | PM₂₅ | NO₂ |
PM₂₅ NO₂ PM₁₀ O₃ SO₂ μg/m³ 9.8 50.9 19.5 16.5 2.3 iAQI 41 26 18 7 1 | ||||||
| Causeway Bay | 銅鑼灣 | 60 | Fair | PM₂₅ | PM₁₀ | |
PM₂₅ PM₁₀ NO₂ O₃ SO₂ μg/m³ 20.0 31.2 52.7 18.2 2.6 iAQI 67 29 27 8 1 | ||||||
| Mong Kok | 旺角 | 41 | Good | PM₂₅ | NO₂ | |
PM₂₅ NO₂ PM₁₀ O₃ SO₂ μg/m³ 10.4 61.7 22.3 9.2 1.7 iAQI 43 32 21 4 1 | ||||||
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