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Air quality · Chihuahua, Mexico

Ciudad Juárez Air Quality Index (AQI) today

Modelled estimate for 05:00 local time (UTC-7), refreshed 3 Nov, 07:52 UTC+0.

27 Good

Live estimate · modelled

US EPA AQI05:00 UTC-7, 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 14.

Over the next 24 hours the model expects the AQI to range from 21 around 11:00 to 85 around 23:00 (3 Nov).

794th most polluted of 849 cities worldwide right now, 19th of 22 in Mexico.

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

06:00 · 16 07:00 · 16 08:00 · 16 09:00 · 17 10:00 · 18 11:00 · 19 12:00 · 22 13:00 · 24 14:00 · 27 15:00 · 30 16:00 · 32 17:00 · 34 18:00 · 36 19:00 · 37 20:00 · 37 21:00 · 37 22:00 · 37 23:00 · 36 00:00 · 35 01:00 · 33 02:00 · 31 03:00 · 29 04:00 · 27 05:00 · 27 06:00 · 29 07:00 · 37 08:00 · 43 09:00 · 38 10:00 · 28 11:00 · 21 12:00 · 21 13:00 · 25 14:00 · 28 15:00 · 31 16:00 · 34 17:00 · 36 18:00 · 47 19:00 · 61 20:00 · 72 21:00 · 80 22:00 · 84 23:00 · 85 00:00 · 82 01:00 · 78 02:00 · 73 03:00 · 67 04:00 · 63 05:00 · 59 06:00 · 57 07:00 · 59 08:00 · 61 09:00 · 55 10:00 · 45 11:00 · 32 12:00 · 24 13:00 · 25 14:00 · 29 15:00 · 33 16:00 · 37 17:00 · 39 18:00 · 39 19:00 · 49 20:00 · 59 21:00 · 67 22:00 · 73 23:00 · 75 00:00 · 74 Now

US EPA AQI per hour, UTC-7. 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 06:0016
Mon 07:0016
Mon 08:0016
Mon 09:0017
Mon 10:0018
Mon 11:0019
Mon 12:0022
Mon 13:0024
Mon 14:0027
Mon 15:0030
Mon 16:0032
Mon 17:0034
Mon 18:0036
Mon 19:0037
Mon 20:0037
Mon 21:0037
Mon 22:0037
Mon 23:0036
Tue 00:0035
Tue 01:0033
Tue 02:0031
Tue 03:0029
Tue 04:0027
Tue 05:00 · Now27
Tue 06:00 · Forecast29
Tue 07:00 · Forecast37
Tue 08:00 · Forecast43
Tue 09:00 · Forecast38
Tue 10:00 · Forecast28
Tue 11:00 · Forecast21
Tue 12:00 · Forecast21
Tue 13:00 · Forecast25
Tue 14:00 · Forecast28
Tue 15:00 · Forecast31
Tue 16:00 · Forecast34
Tue 17:00 · Forecast36
Tue 18:00 · Forecast47
Tue 19:00 · Forecast61
Tue 20:00 · Forecast72
Tue 21:00 · Forecast80
Tue 22:00 · Forecast84
Tue 23:00 · Forecast85
Wed 00:00 · Forecast82
Wed 01:00 · Forecast78
Wed 02:00 · Forecast73
Wed 03:00 · Forecast67
Wed 04:00 · Forecast63
Wed 05:00 · Forecast59
Wed 06:00 · Forecast57
Wed 07:00 · Forecast59
Wed 08:00 · Forecast61
Wed 09:00 · Forecast55
Wed 10:00 · Forecast45
Wed 11:00 · Forecast32
Wed 12:00 · Forecast24
Wed 13:00 · Forecast25
Wed 14:00 · Forecast29
Wed 15:00 · Forecast33
Wed 16:00 · Forecast37
Wed 17:00 · Forecast39
Wed 18:00 · Forecast39
Wed 19:00 · Forecast49
Wed 20:00 · Forecast59
Wed 21:00 · Forecast67
Wed 22:00 · Forecast73
Wed 23:00 · Forecast75
Thu 00:00 · Forecast74

Pollutants this hour

  • PM2.5 5.0 µg/m³ 24-hour mean 2.6 µg/m³ · within WHO’s 24-hour guideline (15) 27
  • PM10 6 µg/m³ 5
  • O₃ 35 µg/m³ 24
  • NO₂ 14 µg/m³ 7
  • SO₂ 2 µg/m³ 0
  • CO 0.16 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
El Paso United States 27
Chihuahua Chihuahua 16
Hermosillo Sonora 16
Phoenix United States 70
Torreón Coahuila 19
Culiacán Sinaloa 55
San Antonio United States 19

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 Ciudad Juárez’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 Ciudad Juárez right now?
27 on the US EPA scale (Good) at 05:00 UTC-7, 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 Ciudad Juárez 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 Ciudad Juárez get better or worse tomorrow?
Over the next 24 hours the model expects the AQI to range from 21 around 11:00 to 85 around 23:00 (3 Nov). Forecasts beyond a day are less certain.

How does Ciudad Juárez compare with other cities?
Right now it is the 794th most polluted of 849 cities we track worldwide, and 19th of 22 in Mexico, all on the same US EPA scale.

Why does another app show a different AQI for Ciudad Juárez?
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.