Semarang Unhealthy for Sensitive Groups

Semarang, Central Java

Updated: Nov 5, 2026, 3:00 AM

Unhealthy for Sensitive Groups

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

Current Weather

27.5°C

Temperature

77%

Humidity

4.1

mph wind

Overcast

Conditions

Pollutant Breakdown

110

PM2.5

µg/m³ · Fine particles

—

PM10

µg/m³ · Coarse particles

—

Ozone

ppb · Ground-level ozone

—

NO₂

ppb · Nitrogen dioxide

—

SO₂

ppb · Sulfur dioxide

—

ppm · Carbon monoxide

Dominant pollutant: PM25

PM2.5 Forecast (next 7 days)

Tue

11/3

avg

Wed

11/4

115

avg

Thu

11/5

124

avg

Fri

11/6

141

avg

Sat

11/7

140

avg

Sun

11/8

156

avg

Mon

11/9

141

avg

Health Guidance

⚠️

Sensitive groups (asthma, heart disease, elderly, children): Reduce prolonged or heavy outdoor exertion.

✅

General population: Unusually sensitive individuals should watch for symptoms.

💨

Keep windows closed if AQI is Unhealthy or above. Use HEPA air purifiers indoors.

Data from: BMKG | Badan Meteorologi, Klimatologi dan Geofisika, World Air Quality Index Project

Is the air safe in Semarang today?

The current Air Quality Index (AQI) in Semarang is 110, which is classified as "Unhealthy for Sensitive Groups". Members of sensitive groups may experience health effects. The general public is less likely to be affected.

The AQI scale runs from 0 to 500. Values of 0–50 are Good, 51–100 are Moderate, 101–150 are Unhealthy for Sensitive Groups, 151–200 are Unhealthy, 201–300 are Very Unhealthy, and 301–500 are Hazardous.

Air quality in Semarang, Central Java is monitored by local environmental agencies and reported through the World Air Quality Index project. Data is updated hourly and includes PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, and carbon monoxide.

AQI Scale Reference

0–50

Good

51–100

Moderate

101–150

Unhealthy for Sensitive Groups

151–200

Unhealthy

201–300

Very Unhealthy

301+

Hazardous