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Air quality · La Paz Department, Bolivia

La Paz Air Quality Index (AQI) today

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

19 Good

Live estimate · modelled

US EPA AQI08:00 UTC-4, 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 16.

Over the next 24 hours the model expects the AQI to range from 15 around 09:00 to 30 around 15:00 (3 Nov).

838th most polluted of 849 cities worldwide right now, 4th of 4 in Bolivia.

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

09:00 · 13 10:00 · 17 11:00 · 19 12:00 · 23 13:00 · 26 14:00 · 29 15:00 · 30 16:00 · 30 17:00 · 30 18:00 · 29 19:00 · 27 20:00 · 24 21:00 · 22 22:00 · 21 23:00 · 23 00:00 · 25 01:00 · 26 02:00 · 25 03:00 · 24 04:00 · 22 05:00 · 21 06:00 · 21 07:00 · 21 08:00 · 19 09:00 · 15 10:00 · 15 11:00 · 19 12:00 · 23 13:00 · 26 14:00 · 29 15:00 · 30 16:00 · 30 17:00 · 29 18:00 · 27 19:00 · 25 20:00 · 23 21:00 · 20 22:00 · 21 23:00 · 25 00:00 · 28 01:00 · 28 02:00 · 28 03:00 · 26 04:00 · 24 05:00 · 22 06:00 · 20 07:00 · 21 08:00 · 18 09:00 · 14 10:00 · 16 11:00 · 22 12:00 · 27 13:00 · 32 14:00 · 35 15:00 · 37 16:00 · 37 17:00 · 36 18:00 · 34 19:00 · 31 20:00 · 27 21:00 · 29 22:00 · 32 23:00 · 35 00:00 · 37 01:00 · 37 02:00 · 37 03:00 · 34 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 09:0013
Mon 10:0017
Mon 11:0019
Mon 12:0023
Mon 13:0026
Mon 14:0029
Mon 15:0030
Mon 16:0030
Mon 17:0030
Mon 18:0029
Mon 19:0027
Mon 20:0024
Mon 21:0022
Mon 22:0021
Mon 23:0023
Tue 00:0025
Tue 01:0026
Tue 02:0025
Tue 03:0024
Tue 04:0022
Tue 05:0021
Tue 06:0021
Tue 07:0021
Tue 08:00 · Now19
Tue 09:00 · Forecast15
Tue 10:00 · Forecast15
Tue 11:00 · Forecast19
Tue 12:00 · Forecast23
Tue 13:00 · Forecast26
Tue 14:00 · Forecast29
Tue 15:00 · Forecast30
Tue 16:00 · Forecast30
Tue 17:00 · Forecast29
Tue 18:00 · Forecast27
Tue 19:00 · Forecast25
Tue 20:00 · Forecast23
Tue 21:00 · Forecast20
Tue 22:00 · Forecast21
Tue 23:00 · Forecast25
Wed 00:00 · Forecast28
Wed 01:00 · Forecast28
Wed 02:00 · Forecast28
Wed 03:00 · Forecast26
Wed 04:00 · Forecast24
Wed 05:00 · Forecast22
Wed 06:00 · Forecast20
Wed 07:00 · Forecast21
Wed 08:00 · Forecast18
Wed 09:00 · Forecast14
Wed 10:00 · Forecast16
Wed 11:00 · Forecast22
Wed 12:00 · Forecast27
Wed 13:00 · Forecast32
Wed 14:00 · Forecast35
Wed 15:00 · Forecast37
Wed 16:00 · Forecast37
Wed 17:00 · Forecast36
Wed 18:00 · Forecast34
Wed 19:00 · Forecast31
Wed 20:00 · Forecast27
Wed 21:00 · Forecast29
Wed 22:00 · Forecast32
Wed 23:00 · Forecast35
Thu 00:00 · Forecast37
Thu 01:00 · Forecast37
Thu 02:00 · Forecast37
Thu 03:00 · Forecast34

Pollutants this hour

  • PM2.5 3.1 µg/m³ 24-hour mean 2.9 µg/m³ · within WHO’s 24-hour guideline (15) 19
  • PM10 3 µg/m³ 3
  • O₃ 59 µg/m³ 7
  • NO₂ 5 µg/m³ 2
  • SO₂ 4 µg/m³ 1
  • CO 0.30 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
Cochabamba Cochabamba 20
Arequipa Peru 70
Sucre Chuquisaca Department 21
Santa Cruz de la Sierra Santa Cruz Department 53
Lima Peru 35
Asunción Paraguay 22
Campo Grande Brazil 24

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 La Paz’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 La Paz right now?
19 on the US EPA scale (Good) 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 La Paz 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 La Paz get better or worse tomorrow?
Over the next 24 hours the model expects the AQI to range from 15 around 09:00 to 30 around 15:00 (3 Nov). Forecasts beyond a day are less certain.

How does La Paz compare with other cities?
Right now it is the 838th most polluted of 849 cities we track worldwide, and 4th of 4 in Bolivia, all on the same US EPA scale.

Why does another app show a different AQI for La Paz?
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.