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Air quality · Riau, Indonesia

Pekanbaru Air Quality Index (AQI) today

Modelled estimate for 19:00 local time (UTC+7), refreshed 3 Nov, 07:52 UTC+0.

61 Moderate

Live estimate · modelled

US EPA AQI19:00 UTC+7, 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 62.

Over the next 24 hours the model expects the AQI to range from 48 around 04:00 to 68 around 18:00 (4 Nov).

485th most polluted of 849 cities worldwide right now, 22nd 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

20:00 · 68 21:00 · 70 22:00 · 74 23:00 · 75 00:00 · 75 01:00 · 75 02:00 · 71 03:00 · 59 04:00 · 51 05:00 · 43 06:00 · 43 07:00 · 50 08:00 · 55 09:00 · 60 10:00 · 64 11:00 · 64 12:00 · 63 13:00 · 63 14:00 · 61 15:00 · 59 16:00 · 58 17:00 · 59 18:00 · 61 19:00 · 61 20:00 · 61 21:00 · 60 22:00 · 60 23:00 · 59 00:00 · 58 01:00 · 57 02:00 · 55 03:00 · 51 04:00 · 48 05:00 · 49 06:00 · 52 07:00 · 55 08:00 · 56 09:00 · 57 10:00 · 59 11:00 · 60 12:00 · 61 13:00 · 63 14:00 · 64 15:00 · 63 16:00 · 63 17:00 · 66 18:00 · 68 19:00 · 68 20:00 · 66 21:00 · 65 22:00 · 63 23:00 · 61 00:00 · 58 01:00 · 54 02:00 · 52 03:00 · 51 04:00 · 49 05:00 · 48 06:00 · 48 07:00 · 48 08:00 · 45 09:00 · 42 10:00 · 38 11:00 · 38 12:00 · 39 13:00 · 40 14:00 · 40 Now

US EPA AQI per hour, UTC+7. 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 20:0068
Mon 21:0070
Mon 22:0074
Mon 23:0075
Tue 00:0075
Tue 01:0075
Tue 02:0071
Tue 03:0059
Tue 04:0051
Tue 05:0043
Tue 06:0043
Tue 07:0050
Tue 08:0055
Tue 09:0060
Tue 10:0064
Tue 11:0064
Tue 12:0063
Tue 13:0063
Tue 14:0061
Tue 15:0059
Tue 16:0058
Tue 17:0059
Tue 18:0061
Tue 19:00 · Now61
Tue 20:00 · Forecast61
Tue 21:00 · Forecast60
Tue 22:00 · Forecast60
Tue 23:00 · Forecast59
Wed 00:00 · Forecast58
Wed 01:00 · Forecast57
Wed 02:00 · Forecast55
Wed 03:00 · Forecast51
Wed 04:00 · Forecast48
Wed 05:00 · Forecast49
Wed 06:00 · Forecast52
Wed 07:00 · Forecast55
Wed 08:00 · Forecast56
Wed 09:00 · Forecast57
Wed 10:00 · Forecast59
Wed 11:00 · Forecast60
Wed 12:00 · Forecast61
Wed 13:00 · Forecast63
Wed 14:00 · Forecast64
Wed 15:00 · Forecast63
Wed 16:00 · Forecast63
Wed 17:00 · Forecast66
Wed 18:00 · Forecast68
Wed 19:00 · Forecast68
Wed 20:00 · Forecast66
Wed 21:00 · Forecast65
Wed 22:00 · Forecast63
Wed 23:00 · Forecast61
Thu 00:00 · Forecast58
Thu 01:00 · Forecast54
Thu 02:00 · Forecast52
Thu 03:00 · Forecast51
Thu 04:00 · Forecast49
Thu 05:00 · Forecast48
Thu 06:00 · Forecast48
Thu 07:00 · Forecast48
Thu 08:00 · Forecast45
Thu 09:00 · Forecast42
Thu 10:00 · Forecast38
Thu 11:00 · Forecast38
Thu 12:00 · Forecast39
Thu 13:00 · Forecast40
Thu 14:00 · Forecast40

Pollutants this hour

  • PM2.5 14.8 µg/m³ 24-hour mean 15.2 µg/m³ · 1.0× WHO’s 24-hour guideline (15) 61
  • PM10 15 µg/m³ 14
  • O₃ 51 µg/m³ 41
  • NO₂ 12 µg/m³ 6
  • SO₂ 4 µg/m³ 1
  • CO 1.44 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
Padang West Sumatra 84
Johor Bahru Malaysia 113
Singapore Singapore 115
Kuala Lumpur Malaysia 150
Batam Riau 115
Jambi City Jambi 170
Ipoh Malaysia 79

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 Pekanbaru’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 Pekanbaru right now?
61 on the US EPA scale (Moderate) at 19:00 UTC+7, 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 Pekanbaru 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 Pekanbaru get better or worse tomorrow?
Over the next 24 hours the model expects the AQI to range from 48 around 04:00 to 68 around 18:00 (4 Nov). Forecasts beyond a day are less certain.

How does Pekanbaru compare with other cities?
Right now it is the 485th most polluted of 849 cities we track worldwide, and 22nd of 25 in Indonesia, all on the same US EPA scale.

Why does another app show a different AQI for Pekanbaru?
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.