Worst air pollution Sumedang, today and tomorrow
Today (20 September): Air quality in Sumedang is very poor. AQI and PM1 are very poor; PM2.5 and PM10 are poor; NO2 is moderate; O3 is fair; SO2, CO, and HCHO are good. Pollution peaks around 10:00 PM (PM1: 100/100).
Tomorrow (21 September 2026): Air quality in Sumedang is very poor. O3 increases to moderate; HCHO increases to fair; all other pollutants stay as today. Pollution peaks around 12:00 AM (PM1: 100/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Sumedang's air quality reflects the West Java Bandung metropolitan fringe at 800 metres in the Citarum watershed highlands, with vehicle traffic on the Tol Cisumdawu and surrounding agricultural, university, and light manufacturing operations contributing local sources. The elevated highland position provides marginally better dispersal than the flat Bandung basin floor, while the surrounding Manglayang and Tampomas volcanic mountains create topographic variation and the proximity to Bandung's metropolitan pollution plume affects the local background throughout the year.
Today - 20 September | Pollution peaks at 22:00
AQI:
Very poor
100/100
PM2.5 (fine particles):
Poor
77.2/100
PM10 (coarse particles):
Poor
67.1/100
NO2 (nitrogen dioxide):
Moderate
49.8/100
O3 (ozone):
Fair
32.1/100
SO2 (sulfur dioxide):
Good
17.8/100
CO (carbon monoxide):
Good
5.3/100
HCHO (formaldehyde):
Good
19.4/100
PM1 (ultrafine particles):
Very poor
100/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 00:00
AQI:
Very poor
100/100
PM2.5 (fine particles):
Poor
76.7/100
PM10 (coarse particles):
Poor
65.6/100
NO2 (nitrogen dioxide):
Moderate
57.2/100
O3 (ozone):
Moderate
45.4/100
SO2 (sulfur dioxide):
Good
13.2/100
CO (carbon monoxide):
Good
5.4/100
HCHO (formaldehyde):
Fair
20.5/100
PM1 (ultrafine particles):
Very poor
100/100
Pollen forecast in Sumedang
View pollen forecastFrequently Asked Questions
Is air quality bad in Sumedang right now?
On 20 September 2026, overall air quality in Sumedang is very poor. AQI is the main air quality indicator at 100/100. Pollution peaks around 10:00 PM (PM1: 100/100).
Will air quality be worse tomorrow in Sumedang?
On 21 September 2026, air quality conditions in Sumedang will be similar to today, with AQI forecast at very poor at 100/100. Pollution peaks around 12:00 AM (PM1: 100/100).
When is air pollution at its worst in Sumedang?
Sumedang residents notice reduced air quality mainly when tea plantation vegetation introduced urban trees and subtropical grasses pollen peaks, and during spells of vehicle traffic on the Tol Cisumdawu and local agricultural, university, and light manufacturing operations; conditions usually ease once the wet season or windier weather returns.
Are air quality levels in Sumedang 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 20 September 2026 at 14:33 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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