Air quality in Hong Kong
Updated:
Air quality now (European AQI) · 23:00
79
Poor
Main pollutant: Nitrogen dioxide (NO₂)
- Fine particles (PM2.5)
- 36.9 µg/m³
- Particles (PM10)
- 39.1 µg/m³
- Nitrogen dioxide (NO₂)
- 97 µg/m³
- Ozone (O₃)
- 13 µg/m³
- Sulphur dioxide (SO₂)
- 45.3 µg/m³
No hours left today
Cleanest air tomorrow
12:00–14:00
AQI 57Moderate
A good time to air out your home or exercise outdoors.
Cut back on intense outdoor exercise; prefer indoors if you can.
Next 3 days
Today
Max AQI79Poor
- Main pollutant:
- Nitrogen dioxide (NO₂)
- Cleanest time:
- –
Tomorrow
Max AQI83Very poor
- Main pollutant:
- Nitrogen dioxide (NO₂)
- Cleanest time:
- 12:00–14:00
Monday
Max AQI68Poor
- Main pollutant:
- Nitrogen dioxide (NO₂)
- Cleanest time:
- 05:00–07:00