What is the air quality in Choi Wan today?

The current Air Quality Index (AQI) in Choi Wan is 50 (Good). PM2.5 concentration is 11.87 µg/m³.

What is the temperature in Choi Wan right now?

The current temperature in Choi Wan is 24.7°C (feels like 24.7°C). Humidity is 85.3% and wind speed is 36.0 km/h.

Is it safe to go outside in Choi Wan?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Choi Wan, Hong Kong

Drizzle

24.7°C · 85.3% humidity

24.7°

Feels 24.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

17 stations

Nearby Monitoring Stations

AQI Forecast

60 6am

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Station readings

Air Quality Index Trend

47h · 2 stn

View full history →

85.3%

Humidity

36.0 km/h

Wind E

1015.1 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

11.87 µg/m³

PM10▲

101

154.9 µg/m³

050100150200300500

What is the weather forecast for Choi Wan?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations

PM2.511.87 µg/m³ ✓ WHO

Good

PM10154.9 µg/m³

Unhealthy for sensitive groups

UV INDEX0.0

Low

Station readings (17 stations within 25 km)

11.87

Median

12.4

Average

7.0

Low

26.33

High

PM2.5 µg/m³ · Model: 28.0 · Bias: +16.1

What is the 7-day forecast for Choi Wan?

10-21

28.5° 23.9°

0.25 mm

10-22

27.8° 24.2°

10-23

26.3° 23.1°

0.62 mm

10-24

25.3° 22.8°

0.13 mm

10-25

29.9° 22.5°

0.19 mm

10-26

26.5° 21.9°

0.06 mm

10-27

27.2° 20.0°

Both models agree Avg diff: 1.9°C

Where are air quality stations near Choi Wan?

Kwun Tong, HongKong (觀塘)

2.5 km PM2.5: 11.5 µg/m³

Kwun Tong, HongKong (觀塘)

2.5 km PM2.5: 10.6 µg/m³

Mong Kok, HongKong (旺角)

4.8 km PM2.5: 12.6 µg/m³

Mong Kok, HongKong (旺角)

4.8 km PM2.5: 12.1 µg/m³

Mong Kok, HongKong (旺角)

4.8 km PM2.5: 13.5 µg/m³

Tseung Kwan O, HongKong (將軍澳)

4.9 km PM2.5: 14.0 µg/m³

Tseung Kwan O, HongKong (將軍澳)

4.9 km PM2.5: 15.9 µg/m³

North Point, Hong Kong (北角)

5.1 km 31.1°C 100.0% RH PM2.5: 24.0 µg/m³ PM10: 26.4 µg/m³

Sha Tin, HongKong (沙田)

5.6 km PM2.5: 9.4 µg/m³

Sha Tin, HongKong (沙田)

5.6 km PM2.5: 9.8 µg/m³

What cities are near Choi Wan?

50 Choi Wan Estate (I & II) 51 Choi Hung Estate 51 Tak Long Estate 52 San Po Kong 52 Kai Tak 52 Lower Wong Tai Sin Estate (I & II) 52 Tung Tau Estate 52 Kowloon City 50 Tsz Ching Estate 51 Chuk Yuen

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-21T01:07 UTC.