SemakAPI
Updated MYThourlyJohor

Johor Bahru API today

The latest API reading for Johor Bahru, Johor, refreshed every hour.

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Right now inJohor BahruUnhealthyPM2.5 ≈ 69.1 µg/m³ · 24-hour average

Reduce outdoor activity. Sensitive groups should avoid it. Keep windows closed and wear an N95 if you must go out.

Last 24 hours95158

Official Department of Environment readings, updated hourly. Each city is represented by a single monitoring station. For all 68 stations, see the official APIMS.

Official APIMS readings

3-day forecastForecast

Modelled estimate, not an official reading.

  1. Today
    152API
    Unhealthy

    PM2.5 ≈ 57 µg/m³

  2. Tomorrow
    88API
    Moderate

    PM2.5 ≈ 40.7 µg/m³

  3. 21 Sep
    87API
    Moderate

    PM2.5 ≈ 40 µg/m³

This forecast comes from the Open-Meteo (CAMS) model, not from Department of Environment readings. It shows the expected direction of travel, not an official value. For health decisions, use the current reading above.

Forecast by Open-Meteo.com · CC BY 4.0 · Modified: modelled concentrations are converted to the Malaysian Air Pollutant Index.

Daily history

Not enough daily data yet. History builds up day by day.

Stations in Johor

All stations
  • Pasir Gudang155
    Unhealthy
  • Batu Pahat129
    Unhealthy
  • Kota Tinggi110
    Unhealthy
  • Tangkak100
    Moderate
  • Pengerang93
    Moderate
  • Segamat92
    Moderate
  • Kluang89
    Moderate

Other cities

Tap a city for health advice

1
7
3
5
UnhealthyKuching, SARAWAK
1
5
6
6
UnhealthySibu, SARAWAK
1
5
4
9
UnhealthyShah Alam, SELANGOR
1
5
2
9
UnhealthyCheras, W.P. KUALA LUMPUR
1
5
2
11
UnhealthyPutrajaya, W.P. PUTRAJAYA
1
5
1
5
UnhealthyBintulu, SARAWAK
1
2
9
10
UnhealthyBatu Pahat, JOHOR
9
5
59
ModerateSeremban, NEGERI SEMBILAN

The API scale

0 to 500. Higher is worse.

  • Good0–50
  • Moderate51–100
  • Unhealthy101–200
  • Very Unhealthy201–300
  • Hazardous301–500
  • Emergency500+