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Air quality · Asuncion, Paraguay

Asunción Air Quality Index (AQI) today

Modelled estimate for 09:00 local time (UTC-3), refreshed 3 Nov, 07:52 UTC+0.

22 Good

Live estimate · modelled

US EPA AQI09:00 UTC-3, 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 41.

Over the next 24 hours the model expects the AQI to range from 21 around 10:00 to 57 around 22:00 (3 Nov).

826th most polluted of 849 cities worldwide right now.

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

10:00 · 23 11:00 · 23 12:00 · 25 13:00 · 27 14:00 · 30 15:00 · 31 16:00 · 32 17:00 · 36 18:00 · 42 19:00 · 51 20:00 · 55 21:00 · 58 22:00 · 58 23:00 · 57 00:00 · 56 01:00 · 55 02:00 · 53 03:00 · 47 04:00 · 39 05:00 · 33 06:00 · 29 07:00 · 26 08:00 · 23 09:00 · 22 10:00 · 21 11:00 · 22 12:00 · 24 13:00 · 27 14:00 · 30 15:00 · 32 16:00 · 34 17:00 · 38 18:00 · 44 19:00 · 51 20:00 · 53 21:00 · 55 22:00 · 57 23:00 · 57 00:00 · 57 01:00 · 56 02:00 · 55 03:00 · 54 04:00 · 53 05:00 · 52 06:00 · 46 07:00 · 40 08:00 · 38 09:00 · 37 10:00 · 37 11:00 · 42 12:00 · 47 13:00 · 51 14:00 · 53 15:00 · 54 16:00 · 54 17:00 · 54 18:00 · 55 19:00 · 56 20:00 · 54 21:00 · 44 22:00 · 32 23:00 · 31 00:00 · 31 01:00 · 31 02:00 · 31 03:00 · 30 04:00 · 30 Now

US EPA AQI per hour, UTC-3. 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 10:0023
Mon 11:0023
Mon 12:0025
Mon 13:0027
Mon 14:0030
Mon 15:0031
Mon 16:0032
Mon 17:0036
Mon 18:0042
Mon 19:0051
Mon 20:0055
Mon 21:0058
Mon 22:0058
Mon 23:0057
Tue 00:0056
Tue 01:0055
Tue 02:0053
Tue 03:0047
Tue 04:0039
Tue 05:0033
Tue 06:0029
Tue 07:0026
Tue 08:0023
Tue 09:00 · Now22
Tue 10:00 · Forecast21
Tue 11:00 · Forecast22
Tue 12:00 · Forecast24
Tue 13:00 · Forecast27
Tue 14:00 · Forecast30
Tue 15:00 · Forecast32
Tue 16:00 · Forecast34
Tue 17:00 · Forecast38
Tue 18:00 · Forecast44
Tue 19:00 · Forecast51
Tue 20:00 · Forecast53
Tue 21:00 · Forecast55
Tue 22:00 · Forecast57
Tue 23:00 · Forecast57
Wed 00:00 · Forecast57
Wed 01:00 · Forecast56
Wed 02:00 · Forecast55
Wed 03:00 · Forecast54
Wed 04:00 · Forecast53
Wed 05:00 · Forecast52
Wed 06:00 · Forecast46
Wed 07:00 · Forecast40
Wed 08:00 · Forecast38
Wed 09:00 · Forecast37
Wed 10:00 · Forecast37
Wed 11:00 · Forecast42
Wed 12:00 · Forecast47
Wed 13:00 · Forecast51
Wed 14:00 · Forecast53
Wed 15:00 · Forecast54
Wed 16:00 · Forecast54
Wed 17:00 · Forecast54
Wed 18:00 · Forecast55
Wed 19:00 · Forecast56
Wed 20:00 · Forecast54
Wed 21:00 · Forecast44
Wed 22:00 · Forecast32
Wed 23:00 · Forecast31
Thu 00:00 · Forecast31
Thu 01:00 · Forecast31
Thu 02:00 · Forecast31
Thu 03:00 · Forecast30
Thu 04:00 · Forecast30

Pollutants this hour

  • PM2.5 3.7 µg/m³ 24-hour mean 7.4 µg/m³ · within WHO’s 24-hour guideline (15) 22
  • PM10 4 µg/m³ 4
  • O₃ 54 µg/m³ 19
  • NO₂ 4 µg/m³ 2
  • SO₂ 0 µg/m³ 0
  • CO 0.33 mg/m³ 2

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
Campo Grande Brazil 24
Porto Alegre Brazil 51
Curitiba Brazil 57
Rosario Argentina 32
Córdoba Argentina 78
Santa Cruz de la Sierra Bolivia 53
Buenos Aires Argentina 64

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 Asunción’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 Asunción right now?
22 on the US EPA scale (Good) at 09:00 UTC-3, 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 Asunción 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 Asunción get better or worse tomorrow?
Over the next 24 hours the model expects the AQI to range from 21 around 10:00 to 57 around 22:00 (3 Nov). Forecasts beyond a day are less certain.

How does Asunción compare with other cities?
Right now it is the 826th most polluted of 849 cities we track worldwide, all on the same US EPA scale.

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