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Air quality · Anzoátegui, Venezuela

Barcelona Air Quality Index (AQI) today

Modelled estimate for 08:00 local time (UTC-4), refreshed 3 Nov, 07:52 UTC+0.

56 Moderate

Live estimate · modelled

US EPA AQI08:00 UTC-4, 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 52.

Over the next 24 hours the model expects the AQI to range from 32 around 19:00 to 71 around 05:00 (4 Nov).

544th most polluted of 849 cities worldwide right now, 2nd of 7 in Venezuela.

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

09:00 · 52 10:00 · 45 11:00 · 38 12:00 · 34 13:00 · 32 14:00 · 31 15:00 · 31 16:00 · 31 17:00 · 32 18:00 · 32 19:00 · 31 20:00 · 30 21:00 · 32 22:00 · 42 23:00 · 52 00:00 · 55 01:00 · 58 02:00 · 60 03:00 · 62 04:00 · 64 05:00 · 65 06:00 · 65 07:00 · 62 08:00 · 56 09:00 · 52 10:00 · 44 11:00 · 38 12:00 · 37 13:00 · 37 14:00 · 38 15:00 · 38 16:00 · 35 17:00 · 35 18:00 · 34 19:00 · 32 20:00 · 36 21:00 · 45 22:00 · 52 23:00 · 56 00:00 · 60 01:00 · 63 02:00 · 66 03:00 · 68 04:00 · 70 05:00 · 71 06:00 · 70 07:00 · 68 08:00 · 62 09:00 · 57 10:00 · 53 11:00 · 48 12:00 · 41 13:00 · 38 14:00 · 36 15:00 · 38 16:00 · 42 17:00 · 44 18:00 · 43 19:00 · 41 20:00 · 39 21:00 · 39 22:00 · 38 23:00 · 39 00:00 · 42 01:00 · 48 02:00 · 52 03:00 · 53 Now

US EPA AQI per hour, UTC-4. 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 09:0052
Mon 10:0045
Mon 11:0038
Mon 12:0034
Mon 13:0032
Mon 14:0031
Mon 15:0031
Mon 16:0031
Mon 17:0032
Mon 18:0032
Mon 19:0031
Mon 20:0030
Mon 21:0032
Mon 22:0042
Mon 23:0052
Tue 00:0055
Tue 01:0058
Tue 02:0060
Tue 03:0062
Tue 04:0064
Tue 05:0065
Tue 06:0065
Tue 07:0062
Tue 08:00 · Now56
Tue 09:00 · Forecast52
Tue 10:00 · Forecast44
Tue 11:00 · Forecast38
Tue 12:00 · Forecast37
Tue 13:00 · Forecast37
Tue 14:00 · Forecast38
Tue 15:00 · Forecast38
Tue 16:00 · Forecast35
Tue 17:00 · Forecast35
Tue 18:00 · Forecast34
Tue 19:00 · Forecast32
Tue 20:00 · Forecast36
Tue 21:00 · Forecast45
Tue 22:00 · Forecast52
Tue 23:00 · Forecast56
Wed 00:00 · Forecast60
Wed 01:00 · Forecast63
Wed 02:00 · Forecast66
Wed 03:00 · Forecast68
Wed 04:00 · Forecast70
Wed 05:00 · Forecast71
Wed 06:00 · Forecast70
Wed 07:00 · Forecast68
Wed 08:00 · Forecast62
Wed 09:00 · Forecast57
Wed 10:00 · Forecast53
Wed 11:00 · Forecast48
Wed 12:00 · Forecast41
Wed 13:00 · Forecast38
Wed 14:00 · Forecast36
Wed 15:00 · Forecast38
Wed 16:00 · Forecast42
Wed 17:00 · Forecast44
Wed 18:00 · Forecast43
Wed 19:00 · Forecast41
Wed 20:00 · Forecast39
Wed 21:00 · Forecast39
Wed 22:00 · Forecast38
Wed 23:00 · Forecast39
Thu 00:00 · Forecast42
Thu 01:00 · Forecast48
Thu 02:00 · Forecast52
Thu 03:00 · Forecast53

Pollutants this hour

  • PM2.5 8.9 µg/m³ 24-hour mean 9.4 µg/m³ · within WHO’s 24-hour guideline (15) 56
  • PM10 10 µg/m³ 11
  • O₃ 47 µg/m³ 6
  • NO₂ 4 µg/m³ 2
  • SO₂ 1 µg/m³ 0
  • CO 0.14 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
Maturín Monagas 31
Caracas Distrito Federal 56
Ciudad Guayana Bolívar 14
Port of Spain Trinidad and Tobago 18
Chaguanas Trinidad and Tobago 16
Valencia Carabobo 57
Barquisimeto Lara 36

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 Barcelona’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 Barcelona right now?
56 on the US EPA scale (Moderate) at 08:00 UTC-4, 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 Barcelona 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 Barcelona get better or worse tomorrow?
Over the next 24 hours the model expects the AQI to range from 32 around 19:00 to 71 around 05:00 (4 Nov). Forecasts beyond a day are less certain.

How does Barcelona compare with other cities?
Right now it is the 544th most polluted of 849 cities we track worldwide, and 2nd of 7 in Venezuela, all on the same US EPA scale.

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