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Air quality · South Holland, Netherlands

Rotterdam Air Quality Index (AQI) today

Modelled estimate for 13:00 local time (UTC+1), refreshed 3 Nov, 07:52 UTC+0.

34 Good

Live estimate · modelled

US EPA AQI13:00 UTC+1, 3 Nov Main pollutant: PM2.5

Air quality is satisfactory, and air pollution poses little or no risk.

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 31.

Over the next 24 hours the model expects the AQI to range from 34 around 14:00 to 54 around 19:00 (3 Nov).

751st most polluted of 849 cities worldwide right now, 1st of 2 in Netherlands.

What to do today

  • Long walk or run outside OK
  • Kids playing outside OK
  • Airing the house Open
  • Mask outdoors Not needed

Based on the US EPA’s health statement: “Air quality is satisfactory, and air pollution poses little or no risk.” General guidance, not medical advice.

Last 24 hours and next 48

Past hours Forecast

14:00 · 26 15:00 · 28 16:00 · 29 17:00 · 29 18:00 · 28 19:00 · 34 20:00 · 33 21:00 · 35 22:00 · 35 23:00 · 33 00:00 · 31 01:00 · 27 02:00 · 26 03:00 · 27 04:00 · 28 05:00 · 28 06:00 · 29 07:00 · 31 08:00 · 34 09:00 · 36 10:00 · 37 11:00 · 36 12:00 · 34 13:00 · 34 14:00 · 34 15:00 · 36 16:00 · 43 17:00 · 51 18:00 · 53 19:00 · 54 20:00 · 53 21:00 · 53 22:00 · 52 23:00 · 52 00:00 · 52 01:00 · 52 02:00 · 52 03:00 · 53 04:00 · 53 05:00 · 53 06:00 · 53 07:00 · 53 08:00 · 53 09:00 · 52 10:00 · 48 11:00 · 41 12:00 · 37 13:00 · 35 14:00 · 31 15:00 · 30 16:00 · 31 17:00 · 32 18:00 · 33 19:00 · 35 20:00 · 36 21:00 · 37 22:00 · 41 23:00 · 44 00:00 · 47 01:00 · 49 02:00 · 51 03:00 · 52 04:00 · 52 05:00 · 53 06:00 · 53 07:00 · 54 08:00 · 55 Now

US EPA AQI per hour, UTC+1. 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 14:0026
Mon 15:0028
Mon 16:0029
Mon 17:0029
Mon 18:0028
Mon 19:0034
Mon 20:0033
Mon 21:0035
Mon 22:0035
Mon 23:0033
Tue 00:0031
Tue 01:0027
Tue 02:0026
Tue 03:0027
Tue 04:0028
Tue 05:0028
Tue 06:0029
Tue 07:0031
Tue 08:0034
Tue 09:0036
Tue 10:0037
Tue 11:0036
Tue 12:0034
Tue 13:00 · Now34
Tue 14:00 · Forecast34
Tue 15:00 · Forecast36
Tue 16:00 · Forecast43
Tue 17:00 · Forecast51
Tue 18:00 · Forecast53
Tue 19:00 · Forecast54
Tue 20:00 · Forecast53
Tue 21:00 · Forecast53
Tue 22:00 · Forecast52
Tue 23:00 · Forecast52
Wed 00:00 · Forecast52
Wed 01:00 · Forecast52
Wed 02:00 · Forecast52
Wed 03:00 · Forecast53
Wed 04:00 · Forecast53
Wed 05:00 · Forecast53
Wed 06:00 · Forecast53
Wed 07:00 · Forecast53
Wed 08:00 · Forecast53
Wed 09:00 · Forecast52
Wed 10:00 · Forecast48
Wed 11:00 · Forecast41
Wed 12:00 · Forecast37
Wed 13:00 · Forecast35
Wed 14:00 · Forecast31
Wed 15:00 · Forecast30
Wed 16:00 · Forecast31
Wed 17:00 · Forecast32
Wed 18:00 · Forecast33
Wed 19:00 · Forecast35
Wed 20:00 · Forecast36
Wed 21:00 · Forecast37
Wed 22:00 · Forecast41
Wed 23:00 · Forecast44
Thu 00:00 · Forecast47
Thu 01:00 · Forecast49
Thu 02:00 · Forecast51
Thu 03:00 · Forecast52
Thu 04:00 · Forecast52
Thu 05:00 · Forecast53
Thu 06:00 · Forecast53
Thu 07:00 · Forecast54
Thu 08:00 · Forecast55

Pollutants this hour

  • PM2.5 6.2 µg/m³ 24-hour mean 5.6 µg/m³ · within WHO’s 24-hour guideline (15) 34
  • PM10 8 µg/m³ 7
  • O₃ 39 µg/m³ 13
  • NO₂ 12 µg/m³ 6
  • SO₂ 0 µg/m³ 0
  • CO 0.19 mg/m³ 1

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
Amsterdam North Holland 31
Brussels Belgium 61
Düsseldorf Germany 53
Cologne Germany 44
London United Kingdom 27
Frankfurt am Main Germany 52
Paris France 52

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 Rotterdam’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 Rotterdam right now?
34 on the US EPA scale (Good) at 13:00 UTC+1, 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 Rotterdam today?
For most people, yes. The EPA’s statement for “Good”: Air quality is satisfactory, and air pollution poses little or no risk. General guidance, not medical advice.

Will the air in Rotterdam get better or worse tomorrow?
Over the next 24 hours the model expects the AQI to range from 34 around 14:00 to 54 around 19:00 (3 Nov). Forecasts beyond a day are less certain.

How does Rotterdam compare with other cities?
Right now it is the 751st most polluted of 849 cities we track worldwide, and 1st of 2 in Netherlands, all on the same US EPA scale.

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