SemakAPI
Updated MYThourlySelangor

Shah Alam API today

The latest API reading for Shah Alam, Selangor, refreshed every hour.

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Right now inShah AlamUnhealthyPM2.5 ≈ 61.3 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 hours152 – 163

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
    153API
    Unhealthy

    PM2.5 ≈ 59.6 µg/m³

  2. Tomorrow
    83API
    Moderate

    PM2.5 ≈ 37.4 µg/m³

  3. 21 Sep
    86API
    Moderate

    PM2.5 ≈ 39.1 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 Selangor

All stations

Other cities

Tap a city for health advice

Kuching
1
7
3
5
UnhealthyKuching, SARAWAK
Sibu
1
5
6
6
UnhealthySibu, SARAWAK
Kuala Lumpur
1
5
2
9
UnhealthyCheras, W.P. KUALA LUMPUR
Putrajaya
1
5
2
11
UnhealthyPutrajaya, W.P. PUTRAJAYA
Bintulu
1
5
1
5
UnhealthyBintulu, SARAWAK
Batu Pahat
1
2
9
10
UnhealthyBatu Pahat, JOHOR
Seremban
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+