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Air quality · East Kalimantan, Indonesia

Samarinda Air Quality Index (AQI) today

Modelled estimate for 20:00 local time (UTC+8), refreshed 3 Nov, 07:52 UTC+0.

54 Moderate

Live estimate · modelled

US EPA AQI20:00 UTC+8, 3 Nov Main pollutant: PM2.5

Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

This page uses EPA’s NowCast, which follows the last few hours, as the US government’s AirNow does. On a 24-hour average of particles, as many apps show, it is 60.

Over the next 24 hours the model expects the AQI to range from 51 around 15:00 to 91 around 02:00 (4 Nov).

600th most polluted of 849 cities worldwide right now, 24th of 25 in Indonesia.

What to do today

  • Long walk or run outside OK, lighter if very sensitive
  • Kids playing outside OK
  • Airing the house Open
  • Mask outdoors Not needed

Based on the US EPA’s health statement: “Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.” General guidance, not medical advice.

Last 24 hours and next 48

Past hours Forecast

21:00 · 71 22:00 · 72 23:00 · 72 00:00 · 72 01:00 · 70 02:00 · 68 03:00 · 66 04:00 · 66 05:00 · 66 06:00 · 67 07:00 · 68 08:00 · 68 09:00 · 65 10:00 · 58 11:00 · 54 12:00 · 51 13:00 · 46 14:00 · 51 15:00 · 52 16:00 · 49 17:00 · 47 18:00 · 49 19:00 · 52 20:00 · 54 21:00 · 57 22:00 · 62 23:00 · 69 00:00 · 76 01:00 · 84 02:00 · 91 03:00 · 88 04:00 · 80 05:00 · 71 06:00 · 67 07:00 · 66 08:00 · 64 09:00 · 59 10:00 · 56 11:00 · 54 12:00 · 53 13:00 · 52 14:00 · 52 15:00 · 51 16:00 · 51 17:00 · 51 18:00 · 53 19:00 · 56 20:00 · 57 21:00 · 58 22:00 · 59 23:00 · 59 00:00 · 59 01:00 · 58 02:00 · 57 03:00 · 57 04:00 · 57 05:00 · 59 06:00 · 62 07:00 · 63 08:00 · 61 09:00 · 57 10:00 · 53 11:00 · 49 12:00 · 52 13:00 · 48 14:00 · 46 15:00 · 51 Now

US EPA AQI per hour, UTC+8. Particles use EPA’s NowCast (a 12-hour weighted average), ozone and CO an 8-hour average. Lighter bars are the CAMS forecast.

Show as a table
TimeAQI
Mon 21:0071
Mon 22:0072
Mon 23:0072
Tue 00:0072
Tue 01:0070
Tue 02:0068
Tue 03:0066
Tue 04:0066
Tue 05:0066
Tue 06:0067
Tue 07:0068
Tue 08:0068
Tue 09:0065
Tue 10:0058
Tue 11:0054
Tue 12:0051
Tue 13:0046
Tue 14:0051
Tue 15:0052
Tue 16:0049
Tue 17:0047
Tue 18:0049
Tue 19:0052
Tue 20:00 · Now54
Tue 21:00 · Forecast57
Tue 22:00 · Forecast62
Tue 23:00 · Forecast69
Wed 00:00 · Forecast76
Wed 01:00 · Forecast84
Wed 02:00 · Forecast91
Wed 03:00 · Forecast88
Wed 04:00 · Forecast80
Wed 05:00 · Forecast71
Wed 06:00 · Forecast67
Wed 07:00 · Forecast66
Wed 08:00 · Forecast64
Wed 09:00 · Forecast59
Wed 10:00 · Forecast56
Wed 11:00 · Forecast54
Wed 12:00 · Forecast53
Wed 13:00 · Forecast52
Wed 14:00 · Forecast52
Wed 15:00 · Forecast51
Wed 16:00 · Forecast51
Wed 17:00 · Forecast51
Wed 18:00 · Forecast53
Wed 19:00 · Forecast56
Wed 20:00 · Forecast57
Wed 21:00 · Forecast58
Wed 22:00 · Forecast59
Wed 23:00 · Forecast59
Thu 00:00 · Forecast59
Thu 01:00 · Forecast58
Thu 02:00 · Forecast57
Thu 03:00 · Forecast57
Thu 04:00 · Forecast57
Thu 05:00 · Forecast59
Thu 06:00 · Forecast62
Thu 07:00 · Forecast63
Thu 08:00 · Forecast61
Thu 09:00 · Forecast57
Thu 10:00 · Forecast53
Thu 11:00 · Forecast49
Thu 12:00 · Forecast52
Thu 13:00 · Forecast48
Thu 14:00 · Forecast46
Thu 15:00 · Forecast51

Pollutants this hour

  • PM2.5 11.7 µg/m³ 24-hour mean 14.0 µg/m³ · within WHO’s 24-hour guideline (15) 54
  • PM10 13 µg/m³ 10
  • O₃ 51 µg/m³ 32
  • NO₂ 9 µg/m³ 4
  • SO₂ 3 µg/m³ 1
  • CO 0.87 mg/m³ 6

Modelled concentrations at the city’s location (CAMS). The sub-index uses the same averaging as the headline, so the highest one is the AQI.

Nearby cities

City AQI
Balikpapan East Kalimantan 46
Banjarmasin South Kalimantan 108
Makassar South Sulawesi 96
Pontianak West Kalimantan 86
Situbondo East Java 62
Surabaya East Java 83
Denpasar Bali 56

Where this number comes from

The Copernicus Atmosphere Monitoring Service (CAMS) forecasts air pollution worldwide on a grid (about 11 km over Europe, about 45 km elsewhere). We take the grid value at Samarinda’s coordinates and score it with the US EPA’s method. It is a model, not a measurement: a nearby monitoring station can read quite differently, especially next to busy roads or during fires and dust storms.

Full methodology · Data: CAMS via Open-Meteo (CC BY 4.0); city list: GeoNames (CC BY 4.0).

  • Good 0–50
  • Moderate 51–100
  • Unhealthy for sensitive groups 101–150
  • Unhealthy 151–200
  • Very unhealthy 201–300
  • Hazardous 301–500

Questions

What is the AQI in Samarinda right now?
54 on the US EPA scale (Moderate) at 20:00 UTC+8, 3 Nov. PM2.5 is the pollutant with the highest sub-index. This is a modelled estimate from the Copernicus Atmosphere Monitoring Service (CAMS), not a reading from a monitoring station.

Is it safe to exercise outside in Samarinda today?
For most people, yes. The EPA’s statement for “Moderate”: Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. General guidance, not medical advice.

Will the air in Samarinda get better or worse tomorrow?
Over the next 24 hours the model expects the AQI to range from 51 around 15:00 to 91 around 02:00 (4 Nov). Forecasts beyond a day are less certain.

How does Samarinda compare with other cities?
Right now it is the 600th most polluted of 849 cities we track worldwide, and 24th of 25 in Indonesia, all on the same US EPA scale.

Why does another app show a different AQI for Samarinda?
Apps differ in source (government stations, low-cost sensors or a model like this one), in scale (US EPA, European, or a national index) and in averaging (hourly or NowCast, 8-hour, 24-hour). This page uses the US EPA AQI with EPA’s NowCast for particles, computed from the CAMS forecast for the city’s location.