Worst air pollution Sungai Petani, today and tomorrow
Today (16 July): Air quality in Sungai Petani is poor. AQI and O3 are poor; PM2.5 and PM1 are fair; PM10, NO2, SO2, CO, and HCHO are good. Pollution peaks around 2:00 PM (O3: 74.5/100).
Tomorrow (17 July 2026): Air quality in Sungai Petani is poor. HCHO increases to fair; all other pollutants stay as today. Pollution peaks around 2:00 PM (O3: 68.6/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Use our Strava plugin to check your own exposure.
Sungai Petani's air quality reflects the Kedah northern Malaysian coastal plain in the Muda River valley, with vehicle traffic on surrounding roads and the manufacturing, agricultural, and logistics corridor contributing local sources. The Malacca Strait provides maritime ventilation, while transboundary haze from Indonesian peatland fires represents the primary severe seasonal concern and Sungai Petani generally maintains moderate Malaysian northern corridor readings throughout non-haze periods.
Today - 16 July | Pollution peaks at 14:00
AQI:
Poor
74.5/100
PM2.5 (fine particles):
Fair
24.6/100
PM10 (coarse particles):
Good
6.9/100
NO2 (nitrogen dioxide):
Good
17.1/100
O3 (ozone):
Poor
74.5/100
SO2 (sulfur dioxide):
Good
6.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
17.8/100
PM1 (ultrafine particles):
Fair
30.5/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 14:00
AQI:
Poor
68.6/100
PM2.5 (fine particles):
Fair
26.4/100
PM10 (coarse particles):
Good
7.4/100
NO2 (nitrogen dioxide):
Good
16.1/100
O3 (ozone):
Poor
68.6/100
SO2 (sulfur dioxide):
Good
6.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
20.5/100
PM1 (ultrafine particles):
Fair
32.7/100
Frequently Asked Questions
Is air quality bad in Sungai Petani right now?
On 16 July 2026, overall air quality in Sungai Petani is poor. AQI is the main air quality indicator at 74.5/100. Pollution peaks around 2:00 PM (O3: 74.5/100).
Will air quality be worse tomorrow in Sungai Petani?
On 17 July 2026, air quality conditions in Sungai Petani will be similar to today, with AQI forecast at poor at 68.6/100. Pollution peaks around 2:00 PM (O3: 68.6/100).
When is air pollution at its worst in Sungai Petani?
In Sungai Petani, road traffic, textile and manufacturing operations, along with agricultural burning are the main local sources, with conditions worsening when onshore breezes fall calm. Onshore breezes usually help clear the air, but pollution can build up when winds are light. Areas further inland without this ventilation tend to fare worse.
Are air quality levels in Sungai Petani based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
Check air quality in other popular cities:
Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app