Semarang air quality · Jawa Tengah, Indonesia
This AQI is manageable, though sensitive lungs may notice it
US AQI 93 (Moderate) in Semarang, from 4 KLH / BMKG monitoring stations. Main pollutant: PM2.5.
Updated
Pollutants in Semarang
- PM2.5 · µg/m³31.72.1× WHO limit
- PM10 · µg/m³37.8Under WHO limit
- NO₂ · µg/m³55.22.2× WHO limit
- O₃ · µg/m³101
- SO₂ · µg/m³32.8Under WHO limit
- CO · mg/m³0.95
Concentrations averaged across the city's stations. WHO multiples use the 2021 24-hour guidelines.
Is it safe outside in Semarang right now?
Air quality is acceptable. People who are unusually sensitive to air pollution may feel effects with long or heavy exertion outdoors.
Walking and commuting
Go aheadFine for everyone.
Running and jogging
Take careFine for most; unusually sensitive people should ease the pace.
Cycling
Go aheadFine for everyone.
Children playing outside
Go aheadNo limits for most children.
Older adults and heart or lung conditions
Take careWatch for symptoms such as coughing or breathlessness.
Open windows
Go aheadFine to ventilate.
Mask outdoors
Not neededNot needed.
Air purifier indoors
Not neededOptional.
Based on the US EPA Air Quality Guide, applied to the current US AQI category. If you have symptoms, follow your doctor's advice.
What US AQI 51–100 means for your health →
Air quality by area in Semarang
3 stations, worst first- Kabupaten Kendal TunggulrejoUnhealthy for Sensitive Groups143
- SemarangUnhealthy for Sensitive Groups104
- Kabupaten Semarang CandirejoGood33
Semarang air quality history
Daily average, 35 days- 78average daily US AQI over 35 days
- 135worst day, 15 October
- 58cleanest day, 26 September
- 0days at Unhealthy or worse
The last 7 days averaged 101, worse than the week before (73). None of the last 35 days was Good.
Nearby cities
Indonesia rankingRelated reading
Semarang air quality: common questions
What is the AQI in Semarang right now?
The US AQI in Semarang is 93 (Moderate), based on 4 monitoring stations. The main pollutant is PM2.5.
Is it safe to go outside in Semarang today?
Fine for most people. Air quality is acceptable. People who are unusually sensitive to air pollution may feel effects with long or heavy exertion outdoors. For runners: Fine for most; unusually sensitive people should ease the pace.
Which area of Semarang has the worst air right now?
Kabupaten Kendal Tunggulrejo has the highest reading at 143 (Unhealthy for Sensitive Groups). Kabupaten Semarang Candirejo has the lowest at 33, out of 3 stations reporting.
How has air quality in Semarang been recently?
Over the last 35 days with data, Semarang averaged US AQI 78. The worst day was 15 October at 135; the cleanest was 26 September at 58. 0 days were at Unhealthy or worse.
How does Semarang's PM2.5 compare with the WHO guideline?
PM2.5 is 32 µg/m³, about 2.1 times the World Health Organization's 24-hour guideline of 15 µg/m³.
Where does Semarang's air quality data come from?
From Ministry of Environment (KLH) and BMKG, using 4 monitoring stations in and around the city. Good Air does not estimate or adjust these readings.
Source: Ministry of Environment (KLH) and BMKG. Readings are published by the monitoring agency and may be revised.