SmogRank / Countries / United States / Oklahoma
Most polluted cities in Oklahoma, United States
5 measured cities, last 24 hours; 0 above the WHO 24-hour guideline. Worst: McAlester at 4.4 µg/m³, #985 in the world.
5 good
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+
Estimated: cities without a monitor
Oklahoma cities we can't measure, with model estimates for the last 7 days. Listed by population, not ranked: estimates aren't precise enough to rank. Model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), adjusted to measured cities nearby where there are any. Adjusted, a single day lands within ×1.5 of what a monitor would read about two times in three; unadjusted, it can be off by half or double. Treat them as a guide, not a measurement.
| City | 7-day estimate |
|---|---|
| Norman | ≈ 11 µg/m³ |
| Broken Arrow | ≈ 9 µg/m³ |
| Midwest City | ≈ 10 µg/m³ |
| Enid | ≈ 10 µg/m³ |
| Stillwater | ≈ 10 µg/m³ |
| Muskogee | ≈ 9 µg/m³ |
| Bartlesville | ≈ 10 µg/m³ |
| Owasso | ≈ 10 µg/m³ |
| Shawnee | ≈ 9 µg/m³ |
| Yukon | ≈ 11 µg/m³ |
| Ardmore | ≈ 10 µg/m³ |
| Bixby | ≈ 10 µg/m³ |
| Duncan | ≈ 10 µg/m³ |
| Del City | ≈ 10 µg/m³ |
| Sapulpa | ≈ 10 µg/m³ |
| Mustang | ≈ 11 µg/m³ |
| Sand Springs | ≈ 10 µg/m³ |
| Bethany | ≈ 11 µg/m³ |
| Altus | ≈ 8 µg/m³ |
| Claremore | ≈ 9 µg/m³ |
| El Reno | ≈ 10 µg/m³ |
| Ada | ≈ 10 µg/m³ |
| Tahlequah | ≈ 9 µg/m³ |
| Chickasha | ≈ 10 µg/m³ |
Updated 2026-10-01 20:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.