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A list of all current air quality data across Hong Kong

Causeway Bay

Roadside Monitoring Station
Concentration µg/m³AQG multiple
PM2.536.52.43 ×Extreme
PM1041.40.92 ×
O34.80.05 ×
NO2893.56 ×Extreme
SO210.20.26 ×
Data recorded: 7:00 PM on Apr 4, 2026
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Central

Roadside Monitoring Station
Concentration µg/m³AQG multiple
PM2.528.11.87 ×Very High
PM1035.90.8 ×
O36.80.07 ×
NO2853.4 ×Extreme
SO211.40.29 ×
Data recorded: 7:00 PM on Apr 4, 2026
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Central/Western

Monitoring Station
Concentration µg/m³AQG multiple
PM2.516.31.09 ×Moderate
PM1019.20.43 ×
O35.90.06 ×
NO285.23.41 ×Extreme
SO28.10.2 ×
Data recorded: 7:00 PM on Apr 4, 2026
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Eastern

Monitoring Station
Concentration µg/m³AQG multiple
PM2.512.20.81 ×
PM1017.90.4 ×
O346.30.46 ×
NO245.81.83 ×Very High
SO20.80.02 ×
Data recorded: 7:00 PM on Apr 4, 2026
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Kwai Chung

Monitoring Station
Concentration µg/m³AQG multiple
PM2.523.91.59 ×High
PM1027.10.6 ×
O32.50.03 ×
NO286.33.45 ×Extreme
SO280.2 ×
Data recorded: 7:00 PM on Apr 4, 2026
See Detail View for Kwai Chung →

Kwun Tong

Monitoring Station
Concentration µg/m³AQG multiple
PM2.5130.87 ×
PM1015.90.35 ×
O328.90.29 ×
NO2512.04 ×Very High
SO240.1 ×
Data recorded: 7:00 PM on Apr 4, 2026
See Detail View for Kwun Tong →

Mong Kok

Roadside Monitoring Station
Concentration µg/m³AQG multiple
PM2.58.60.57 ×
PM1013.80.31 ×
O39.80.1 ×
NO290.13.6 ×Extreme
SO29.90.25 ×
Data recorded: 7:00 PM on Apr 4, 2026
See Detail View for Mong Kok →

North

Monitoring Station
Concentration µg/m³AQG multiple
PM2.512.90.86 ×
PM1015.50.34 ×
O325.70.26 ×
NO258.22.33 ×Very High
SO21.90.05 ×
Data recorded: 7:00 PM on Apr 4, 2026
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Sha Tin

Monitoring Station
Concentration µg/m³AQG multiple
PM2.514.90.99 ×
PM1014.90.33 ×
O357.60.58 ×
NO224.20.97 ×
SO22.40.06 ×
Data recorded: 7:00 PM on Apr 4, 2026
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Sham Shui Po

Monitoring Station
Concentration µg/m³AQG multiple
PM2.519.71.31 ×Moderate
PM1024.90.55 ×
O39.20.09 ×
NO285.93.44 ×Extreme
SO27.70.19 ×
Data recorded: 7:00 PM on Apr 4, 2026
See Detail View for Sham Shui Po →

Southern

Monitoring Station
Concentration µg/m³AQG multiple
PM2.5171.13 ×Moderate
PM1023.40.52 ×
O318.30.18 ×
NO274.32.97 ×Extreme
SO27.80.2 ×
Data recorded: 7:00 PM on Apr 4, 2026
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Tai Po

Monitoring Station
Concentration µg/m³AQG multiple
PM2.58.30.55 ×
PM109.70.22 ×
O341.30.41 ×
NO243.51.74 ×Very High
SO240.1 ×
Data recorded: 7:00 PM on Apr 4, 2026
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Tap Mun

Monitoring Station
Concentration µg/m³AQG multiple
PM2.5--
PM108.80.2 ×
O355.10.55 ×
NO212.20.49 ×
SO22.40.06 ×
Data recorded: 7:00 PM on Apr 4, 2026
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Tseung Kwan O

Monitoring Station
Concentration µg/m³AQG multiple
PM2.59.40.63 ×
PM1012.30.27 ×
O359.60.6 ×
NO223.30.93 ×
SO25.60.14 ×
Data recorded: 7:00 PM on Apr 4, 2026
See Detail View for Tseung Kwan O →

Tsuen Wan

Monitoring Station
Concentration µg/m³AQG multiple
PM2.516.41.09 ×Moderate
PM1017.30.38 ×
O34.40.04 ×
NO2903.6 ×Extreme
SO26.50.16 ×
Data recorded: 7:00 PM on Apr 4, 2026
See Detail View for Tsuen Wan →

Tuen Mun

Monitoring Station
Concentration µg/m³AQG multiple
PM2.515.11.01 ×Moderate
PM10270.6 ×
O311.60.12 ×
NO262.72.51 ×Extreme
SO23.70.09 ×
Data recorded: 7:00 PM on Apr 4, 2026
See Detail View for Tuen Mun →

Tung Chung

Monitoring Station
Concentration µg/m³AQG multiple
PM2.5140.93 ×
PM1014.40.32 ×
O310.60.11 ×
NO223.50.94 ×
SO21.90.05 ×
Data recorded: 7:00 PM on Apr 4, 2026
See Detail View for Tung Chung →

Yuen Long

Monitoring Station
Concentration µg/m³AQG multiple
PM2.516.21.08 ×Moderate
PM1019.90.44 ×
O317.60.18 ×
NO250.72.03 ×Very High
SO230.08 ×
Data recorded: 7:00 PM on Apr 4, 2026
See Detail View for Yuen Long →