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Air quality · Hesse, Germany

Frankfurt am Main Air Quality Index (AQI) today

Modelled estimate for 12:00 local time (UTC+1), refreshed 3 Nov, 07:52 UTC+0.

53 Moderate

Live estimate · modelled

US EPA AQI12:00 UTC+1, 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 55.

Over the next 24 hours the model expects the AQI to range from 39 around 12:00 to 54 around 22:00 (3 Nov).

606th most polluted of 849 cities worldwide right now, 6th of 7 in Germany.

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

13:00 · 53 14:00 · 49 15:00 · 44 16:00 · 47 17:00 · 51 18:00 · 54 19:00 · 55 20:00 · 57 21:00 · 57 22:00 · 56 23:00 · 57 00:00 · 57 01:00 · 57 02:00 · 58 03:00 · 58 04:00 · 58 05:00 · 58 06:00 · 57 07:00 · 57 08:00 · 58 09:00 · 57 10:00 · 56 11:00 · 54 12:00 · 53 13:00 · 52 14:00 · 49 15:00 · 46 16:00 · 45 17:00 · 47 18:00 · 51 19:00 · 53 20:00 · 53 21:00 · 53 22:00 · 54 23:00 · 54 00:00 · 53 01:00 · 51 02:00 · 47 03:00 · 44 04:00 · 43 05:00 · 44 06:00 · 47 07:00 · 51 08:00 · 52 09:00 · 52 10:00 · 51 11:00 · 45 12:00 · 39 13:00 · 36 14:00 · 33 15:00 · 31 16:00 · 32 17:00 · 36 18:00 · 42 19:00 · 48 20:00 · 52 21:00 · 53 22:00 · 54 23:00 · 54 00:00 · 54 01:00 · 54 02:00 · 54 03:00 · 53 04:00 · 53 05:00 · 53 06:00 · 52 07:00 · 52 08:00 · 53 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 13:0053
Mon 14:0049
Mon 15:0044
Mon 16:0047
Mon 17:0051
Mon 18:0054
Mon 19:0055
Mon 20:0057
Mon 21:0057
Mon 22:0056
Mon 23:0057
Tue 00:0057
Tue 01:0057
Tue 02:0058
Tue 03:0058
Tue 04:0058
Tue 05:0058
Tue 06:0057
Tue 07:0057
Tue 08:0058
Tue 09:0057
Tue 10:0056
Tue 11:0054
Tue 12:00 · Now53
Tue 13:00 · Forecast52
Tue 14:00 · Forecast49
Tue 15:00 · Forecast46
Tue 16:00 · Forecast45
Tue 17:00 · Forecast47
Tue 18:00 · Forecast51
Tue 19:00 · Forecast53
Tue 20:00 · Forecast53
Tue 21:00 · Forecast53
Tue 22:00 · Forecast54
Tue 23:00 · Forecast54
Wed 00:00 · Forecast53
Wed 01:00 · Forecast51
Wed 02:00 · Forecast47
Wed 03:00 · Forecast44
Wed 04:00 · Forecast43
Wed 05:00 · Forecast44
Wed 06:00 · Forecast47
Wed 07:00 · Forecast51
Wed 08:00 · Forecast52
Wed 09:00 · Forecast52
Wed 10:00 · Forecast51
Wed 11:00 · Forecast45
Wed 12:00 · Forecast39
Wed 13:00 · Forecast36
Wed 14:00 · Forecast33
Wed 15:00 · Forecast31
Wed 16:00 · Forecast32
Wed 17:00 · Forecast36
Wed 18:00 · Forecast42
Wed 19:00 · Forecast48
Wed 20:00 · Forecast52
Wed 21:00 · Forecast53
Wed 22:00 · Forecast54
Wed 23:00 · Forecast54
Thu 00:00 · Forecast54
Thu 01:00 · Forecast54
Thu 02:00 · Forecast54
Thu 03:00 · Forecast53
Thu 04:00 · Forecast53
Thu 05:00 · Forecast53
Thu 06:00 · Forecast52
Thu 07:00 · Forecast52
Thu 08:00 · Forecast53

Pollutants this hour

  • PM2.5 9.0 µg/m³ 24-hour mean 11.3 µg/m³ · within WHO’s 24-hour guideline (15) 53
  • PM10 10 µg/m³ 10
  • O₃ 55 µg/m³ 15
  • NO₂ 5 µg/m³ 2
  • SO₂ 1 µg/m³ 0
  • CO 0.17 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
Stuttgart Baden-Wurttemberg 56
Cologne North Rhine-Westphalia 50
Düsseldorf North Rhine-Westphalia 56
Munich Bavaria 56
Zurich Switzerland 54
Brussels Belgium 61
Rotterdam Netherlands 34

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 Frankfurt am Main’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 Frankfurt am Main right now?
53 on the US EPA scale (Moderate) at 12:00 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 Frankfurt am Main 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 Frankfurt am Main get better or worse tomorrow?
Over the next 24 hours the model expects the AQI to range from 39 around 12:00 to 54 around 22:00 (3 Nov). Forecasts beyond a day are less certain.

How does Frankfurt am Main compare with other cities?
Right now it is the 606th most polluted of 849 cities we track worldwide, and 6th of 7 in Germany, all on the same US EPA scale.

Why does another app show a different AQI for Frankfurt am Main?
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.