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Air quality · Oklahoma, United States

Oklahoma City Air Quality Index (AQI) today

Modelled estimate for 06:00 local time (UTC-6), refreshed 3 Nov, 07:52 UTC+0.

21 Good

Live estimate · modelled

US EPA AQI06:00 UTC-6, 3 Nov Main pollutant: O₃

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 28.

Over the next 24 hours the model expects the AQI to range from 16 around 10:00 to 26 around 19:00 (3 Nov).

829th most polluted of 849 cities worldwide right now, 24th of 25 in United States.

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

07:00 · 48 08:00 · 47 09:00 · 46 10:00 · 43 11:00 · 40 12:00 · 37 13:00 · 36 14:00 · 34 15:00 · 35 16:00 · 36 17:00 · 36 18:00 · 36 19:00 · 36 20:00 · 33 21:00 · 31 22:00 · 31 23:00 · 30 00:00 · 29 01:00 · 28 02:00 · 27 03:00 · 26 04:00 · 25 05:00 · 23 06:00 · 21 07:00 · 19 08:00 · 19 09:00 · 17 10:00 · 16 11:00 · 16 12:00 · 16 13:00 · 18 14:00 · 19 15:00 · 20 16:00 · 22 17:00 · 24 18:00 · 25 19:00 · 26 20:00 · 26 21:00 · 26 22:00 · 25 23:00 · 24 00:00 · 23 01:00 · 21 02:00 · 20 03:00 · 19 04:00 · 18 05:00 · 17 06:00 · 16 07:00 · 18 08:00 · 21 09:00 · 23 10:00 · 21 11:00 · 17 12:00 · 17 13:00 · 19 14:00 · 23 15:00 · 27 16:00 · 30 17:00 · 31 18:00 · 31 19:00 · 31 20:00 · 29 21:00 · 27 22:00 · 26 23:00 · 24 00:00 · 22 01:00 · 20 Now

US EPA AQI per hour, UTC-6. 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 07:0048
Mon 08:0047
Mon 09:0046
Mon 10:0043
Mon 11:0040
Mon 12:0037
Mon 13:0036
Mon 14:0034
Mon 15:0035
Mon 16:0036
Mon 17:0036
Mon 18:0036
Mon 19:0036
Mon 20:0033
Mon 21:0031
Mon 22:0031
Mon 23:0030
Tue 00:0029
Tue 01:0028
Tue 02:0027
Tue 03:0026
Tue 04:0025
Tue 05:0023
Tue 06:00 · Now21
Tue 07:00 · Forecast19
Tue 08:00 · Forecast19
Tue 09:00 · Forecast17
Tue 10:00 · Forecast16
Tue 11:00 · Forecast16
Tue 12:00 · Forecast16
Tue 13:00 · Forecast18
Tue 14:00 · Forecast19
Tue 15:00 · Forecast20
Tue 16:00 · Forecast22
Tue 17:00 · Forecast24
Tue 18:00 · Forecast25
Tue 19:00 · Forecast26
Tue 20:00 · Forecast26
Tue 21:00 · Forecast26
Tue 22:00 · Forecast25
Tue 23:00 · Forecast24
Wed 00:00 · Forecast23
Wed 01:00 · Forecast21
Wed 02:00 · Forecast20
Wed 03:00 · Forecast19
Wed 04:00 · Forecast18
Wed 05:00 · Forecast17
Wed 06:00 · Forecast16
Wed 07:00 · Forecast18
Wed 08:00 · Forecast21
Wed 09:00 · Forecast23
Wed 10:00 · Forecast21
Wed 11:00 · Forecast17
Wed 12:00 · Forecast17
Wed 13:00 · Forecast19
Wed 14:00 · Forecast23
Wed 15:00 · Forecast27
Wed 16:00 · Forecast30
Wed 17:00 · Forecast31
Wed 18:00 · Forecast31
Wed 19:00 · Forecast31
Wed 20:00 · Forecast29
Wed 21:00 · Forecast27
Wed 22:00 · Forecast26
Wed 23:00 · Forecast24
Thu 00:00 · Forecast22
Thu 01:00 · Forecast20

Pollutants this hour

  • PM2.5 1.0 µg/m³ 24-hour mean 5.1 µg/m³ · within WHO’s 24-hour guideline (15) 7
  • PM10 1 µg/m³ 1
  • O₃ 30 µg/m³ 21
  • NO₂ 4 µg/m³ 2
  • SO₂ 0 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
Fort Worth Texas 26
Dallas Texas 26
Austin Texas 23
Houston Texas 52
San Antonio Texas 19
Denver Colorado 23
Ciudad Juárez Mexico 27

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 Oklahoma City’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 Oklahoma City right now?
21 on the US EPA scale (Good) at 06:00 UTC-6, 3 Nov. O₃ 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 Oklahoma City 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 Oklahoma City get better or worse tomorrow?
Over the next 24 hours the model expects the AQI to range from 16 around 10:00 to 26 around 19:00 (3 Nov). Forecasts beyond a day are less certain.

How does Oklahoma City compare with other cities?
Right now it is the 829th most polluted of 849 cities we track worldwide, and 24th of 25 in United States, all on the same US EPA scale.

Why does another app show a different AQI for Oklahoma City?
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.