10 – 16 Sep 2025 · Indonesia · Wednesday to Tuesday, UTC+7

Indonesia weekly air quality

Modelled US AQI · 8 cities · CAMS via Open-Meteo

100.6Weekly mean modelled AQI · Unhealthy for Sensitive Groups

Mean PM2.5: 37.7 µg/m³. Both means cover the selected cities hour by hour. They are not a national average or Indonesia’s official index.

-0.2 AQI compared with the previous week’s mean of 100.8.

Highest hourly estimate: 224 in Jakarta · 15 Sept, 18:00 GMT+7.

1344 of 1344 city-hours have a modelled AQI. These are estimates for roughly 45 km model grid cells, not monitoring-station measurements. How this report is made

Daily modelled US AQI

Day	Mean AQI	Low–high	Mean PM2.5 (µg/m³)	City-hours
Wed, 10 Sep	101.2Unhealthy for Sensitive Groups	39–184	36.2	192 / 192
Thu, 11 Sep	95.3Moderate	40–172	33.7	192 / 192
Fri, 12 Sep	103.2Unhealthy for Sensitive Groups	53–172	36.9	192 / 192
Sat, 13 Sep	101Unhealthy for Sensitive Groups	51–199	37.9	192 / 192
Sun, 14 Sep	101Unhealthy for Sensitive Groups	51–201	39.7	192 / 192
Mon, 15 Sep	98.2Moderate	52–224	39.2	192 / 192
Tue, 16 Sep	104.5Unhealthy for Sensitive Groups	52–201	40.1	192 / 192

Hourly means (UTC+7)

Each cell averages the selected cities’ modelled AQI for that hour.

Day	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Wed	104	104	103	103	103	103	102	102	102	102	101	101	100	100	100	100	99	100	102	102	100	100	100	100
Thu	99	98	98	97	96	96	95	94	94	94	94	93	94	94	94	94	94	96	98	98	97	94	94	95
Fri	96	97	98	100	101	102	104	105	105	104	105	104	104	104	104	104	104	106	106	105	105	105	105	104
Sat	104	104	104	103	103	102	101	101	100	100	100	100	100	100	100	99	99	101	104	104	100	99	99	99
Sun	99	99	99	99	100	100	100	100	101	101	101	102	102	102	102	102	102	102	104	104	102	101	101	100
Mon	100	99	99	98	98	98	98	97	97	97	97	96	96	96	96	96	98	100	101	101	100	99	99	100
Tue	101	102	103	103	103	104	104	104	104	104	104	104	105	105	105	105	106	109	111	109	105	104	103	102

Cities by modelled US AQI

Sorted by weekly mean. Each city is a single model grid cell near its centre.

City	Mean AQI	Peak AQI	Mean PM2.5 (µg/m³)	Hours
Jakarta	176.7Unhealthy	224	90.5	168 / 168
Bandung	160.3Unhealthy	173	70.2	168 / 168
Surabaya	107.8Unhealthy for Sensitive Groups	154	38.2	168 / 168
Medan	98.7Moderate	126	33	168 / 168
Makassar	84.5Moderate	95	28.1	168 / 168
Palembang	65.3Moderate	78	17.4	168 / 168
Pekanbaru	60.2Moderate	70	13.9	168 / 168
Denpasar	51.4Moderate	54	10.1	168 / 168

City-hours by category

Good: 29

Moderate: 819

Unhealthy for Sensitive Groups: 147

Unhealthy: 342

Very Unhealthy: 7

Hazardous: 0

US AQI scale
AQI	Category
0–50	Good
51–100	Moderate
101–150	Unhealthy for Sensitive Groups
151–200	Unhealthy
201–300	Very Unhealthy
301+	Hazardous

How this report is made

Open-Meteo provides hourly estimates from the Copernicus Atmosphere Monitoring Service (CAMS) global model at roughly 45 km resolution. We use the grid cell nearest each city’s centre. Nearby places may share a cell, and local pollution can differ.

The AQI is the provider’s modelled US AQI across pollutants, one value per city per hour. Weekly, daily and hourly means average those values across the selected cities. PM2.5 is a concentration in µg/m³. These figures use a different basis from the measured PM2.5-derived AQI in the Malaysia and Singapore reports.

Days and hours use UTC+7, Western Indonesia Time. Denpasar and Makassar are on UTC+8, so their local hours appear one hour earlier here. The report includes past model hours only, never forecasts. The previous-week comparison appears only when at least 90% of that week’s city-hours are available.

For official local readings and advice, visit BMKG air-quality information. Air-quality data: Open-Meteo and CAMS, licensed under CC BY 4.0. Haze Monitor is independent of these providers and local authorities.

Day	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Wed	104	104	103	103	103	103	102	102	102	102	101	101	100	100	100	100	99	100	102	102	100	100	100	100
Thu	99	98	98	97	96	96	95	94	94	94	94	93	94	94	94	94	94	96	98	98	97	94	94	95
Fri	96	97	98	100	101	102	104	105	105	104	105	104	104	104	104	104	104	106	106	105	105	105	105	104
Sat	104	104	104	103	103	102	101	101	100	100	100	100	100	100	100	99	99	101	104	104	100	99	99	99
Sun	99	99	99	99	100	100	100	100	101	101	101	102	102	102	102	102	102	102	104	104	102	101	101	100
Mon	100	99	99	98	98	98	98	97	97	97	97	96	96	96	96	96	98	100	101	101	100	99	99	100
Tue	101	102	103	103	103	104	104	104	104	104	104	104	105	105	105	105	106	109	111	109	105	104	103	102

Day	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Wed	104	104	103	103	103	103	102	102	102	102	101	101	100	100	100	100	99	100	102	102	100	100	100	100
Thu	99	98	98	97	96	96	95	94	94	94	94	93	94	94	94	94	94	96	98	98	97	94	94	95
Fri	96	97	98	100	101	102	104	105	105	104	105	104	104	104	104	104	104	106	106	105	105	105	105	104
Sat	104	104	104	103	103	102	101	101	100	100	100	100	100	100	100	99	99	101	104	104	100	99	99	99
Sun	99	99	99	99	100	100	100	100	101	101	101	102	102	102	102	102	102	102	104	104	102	101	101	100
Mon	100	99	99	98	98	98	98	97	97	97	97	96	96	96	96	96	98	100	101	101	100	99	99	100
Tue	101	102	103	103	103	104	104	104	104	104	104	104	105	105	105	105	106	109	111	109	105	104	103	102

Day	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Wed	104	104	103	103	103	103	102	102	102	102	101	101	100	100	100	100	99	100	102	102	100	100	100	100
Thu	99	98	98	97	96	96	95	94	94	94	94	93	94	94	94	94	94	96	98	98	97	94	94	95
Fri	96	97	98	100	101	102	104	105	105	104	105	104	104	104	104	104	104	106	106	105	105	105	105	104
Sat	104	104	104	103	103	102	101	101	100	100	100	100	100	100	100	99	99	101	104	104	100	99	99	99
Sun	99	99	99	99	100	100	100	100	101	101	101	102	102	102	102	102	102	102	104	104	102	101	101	100
Mon	100	99	99	98	98	98	98	97	97	97	97	96	96	96	96	96	98	100	101	101	100	99	99	100
Tue	101	102	103	103	103	104	104	104	104	104	104	104	105	105	105	105	106	109	111	109	105	104	103	102