Air Quality Health Index

11 monitoring stations · Updated hourly

Live

Overall AQHI

4.8

Moderate Risk

LowHighMax

😐 Sensitive groups limit outdoor exertion

Pollutant Levels % of limit

AQHI Forecast

24-Hour AQHI Trend — General Stations

Low (1-3) Mod (4-6) High (7+)

00:0006:0012:0018:0023:00

📊 Monthly PM2.5 vs WHO Guideline 15 µg/m³

🏭 Station AQHI Comparison

All Monitoring Stations

General

Central/Western

4

Moderate

General

Eastern

5

Moderate

General

Kwun Tong

6

Moderate

General

Sham Shui Po

5

Moderate

General

Sha Tin

4

Moderate

General

Tuen Mun

3

Low

General

Yuen Long

4

Moderate

General

Tap Mun

2

Low

Roadside

Causeway Bay

7

High

Roadside

Central

6

Moderate

Roadside

Mong Kok

7

High