Air quality
Air quality in Enid today
Updated
Moderate (US AQI 55) Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. Model estimate for Sun, Oct 25, 9:00 pm (02:00 UTC).
Live AQI, PM2.5, PM10 and ozone for Enid, Oklahoma, United States, with a 48-hour forecast and the best time to be outside.
- US AQI now
- 55 Moderate
- PM2.5
- 8.1 µg/m³ 0.5× WHO 24-h guideline
- PM10
- 9.6 µg/m³
- Ozone
- 87 µg/m³
- Dominant pollutant
- ozone sub-index 55
- Best hour tomorrow
- 6:00 am AQI 44
- European AQI
- 34
Air quality in Enid right now
Right now the modelled US Air Quality Index for Enid, Oklahoma, United States is 55, which falls in the "Moderate" band (up to 100). Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors.
The index is driven mainly by ozone, whose own sub-index is 55. Ozone usually peaks in the afternoon on sunny days and falls back after sunset.
PM2.5 is 8.1 µg/m³, within the WHO 24-hour guideline of 15 µg/m³; PM10 is 9.6 µg/m³ against a guideline of 45; ozone is 87 µg/m³ (below the WHO 8-hour level of 100); nitrogen dioxide is 4.2 µg/m³ (below the 24-hour guideline of 25).
Also this hour: carbon monoxide 153 µg/m³.
NASA FIRMS shows 7 fire hotspots within 300 km in the last day (nearest about 186 km), but particle levels are not elevated enough to point to smoke right now.
Enid AQI forecast: next 48 hours
Over the next 24 hours the AQI is forecast to range from 43 around Mon 1:00 am to 55 around Sun 9:00 pm, from "Good" at best to "Moderate" at worst.
The following day is expected to be cleaner, averaging about 41 against 46 for the next 24 hours.
| Local time (America/Chicago) | US AQI | Category | PM2.5 µg/m³ | PM10 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| Sun 9:00 pm | 55 | Moderate | 8.1 | 10 | 87 |
| Mon 12:00 am | 46 | Good | 8.7 | 10 | 75 |
| Mon 3:00 am | 43 | Good | 9.1 | 10 | 74 |
| Mon 6:00 am | 44 | Good | 7.8 | 8 | 69 |
| Mon 9:00 am | 46 | Good | 7.7 | 8 | 62 |
| Mon 12:00 pm | 48 | Good | 7 | 7 | 93 |
| Mon 3:00 pm | 46 | Good | 7.7 | 9 | 110 |
| Mon 6:00 pm | 45 | Good | 7.5 | 9 | 98 |
| Mon 9:00 pm | 47 | Good | 7.5 | 9 | 84 |
| Tue 12:00 am | 44 | Good | 7.5 | 9 | 80 |
| Tue 3:00 am | 43 | Good | 7.7 | 8 | 80 |
| Tue 6:00 am | 42 | Good | 8.5 | 9 | 81 |
| Tue 9:00 am | 42 | Good | 4.8 | 5 | 74 |
| Tue 12:00 pm | 40 | Good | 2.8 | 3 | 77 |
| Tue 3:00 pm | 37 | Good | 4.6 | 6 | 88 |
| Tue 6:00 pm | 38 | Good | 5.8 | 7 | 84 |
| Tue 9:00 pm | 39 | Good | 8.8 | 10 | 78 |
Every third hour of the CAMS forecast via Open-Meteo. US AQI uses rolling averages (24 h for particles, 8 h for ozone), so it moves more slowly than the hourly concentrations.
Best time to be outside in Enid tomorrow
Between 6 am and 9 pm local time, the cleanest air tomorrow is forecast around 6:00 am (AQI 44, Good) and the worst around 12:00 pm (AQI 48). The difference across the day is small, so timing matters little.
Enid vs the rest of United States
Across 619 United States cities we track, the average US AQI right now is 52 (Moderate). Enid at 55 is about average.
For context, the median across 3,556 cities worldwide is 58.
Air quality in cities near Enid
| City | Distance | US AQI | Category | PM2.5 µg/m³ |
|---|---|---|---|---|
| Oklahoma City | 108 km | 67 | Moderate | 10.1 |
| Wichita | 152 km | 51 | Moderate | 5.3 |
| Tulsa | 171 km | 48 | Good | 7.7 |
| Salina | 273 km | 54 | Moderate | 7.4 |
| Wichita Falls | 282 km | 53 | Moderate | 7.9 |
| Pittsburg, KS | 304 km | 44 | Good | 5.3 |
| Joplin | 309 km | 46 | Good | 8.9 |
| Manhattan, KS | 331 km | 50 | Good | 4.7 |
Model vs measured
We found no measured PM2.5 sensor cell within 25 km of Enid, so the numbers on this page are model estimates. Models capture regional pollution well but can miss very local sources such as a busy road or a nearby fire.
Advice for sensitive groups
At 55, most people are fine outdoors. If you are unusually sensitive to ozone, keep long or intense workouts to the cleaner hours shown above.
What the US AQI numbers mean
| US AQI | Category | What it means |
|---|---|---|
| 0-50 | Good | Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. |
| 51-100 | Moderate | Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. |
| 101-150 | Unhealthy for Sensitive Groups | People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors. |
| 151-200 | Unhealthy | Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed. |
| 201-300 | Very Unhealthy | Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors. |
| 301-500 | Hazardous | Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500. |
Values on this page are modelled by CAMS (Copernicus) and served by Open-Meteo; they are estimates for the area around the city centre, not readings from an official monitor.
Nearby cities
More for Enid
Air quality elsewhere
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS), NASA FIRMS.