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AirHistory

Clark, Nevada vs Maricopa, Arizona Air Quality

Side-by-side air quality comparison using 10 years of EPA monitoring data. Clark, Nevada has the edge with an Air Quality Grade of D (43/100).

MetricClark, NevadaMaricopa, Arizona
Air Quality GradeD (43/100)F (9/100)
Current Median AQI61 (Moderate)72 (Moderate)
5-Year Average AQI6290
10-Year Trend Stable (0) Worsening (+3)
Unhealthy Days/Year23126
Primary PollutantGround-Level OzoneGround-Level Ozone

Analysis

Clark, Nevada outperforms Maricopa, Arizona on overall air quality. With a Grade D (43/100) and a median AQI of 61,Clark, Nevada is currently in the "Moderate" range and is stable over the past decade.

Frequently Asked Questions

Clark, Nevada has better air quality with a Grade D (43/100) compared to Maricopa, Arizona's Grade F (9/100). Clark, Nevada has a current median AQI of 61 and is stable over the past decade.

Clark, Nevada averages 23 unhealthy air days per year (5-year average), while Maricopa, Arizona averages 126. Unhealthy days are those when AQI exceeds 100 and sensitive groups should limit outdoor activity.

Clark, Nevada's primary pollutant is Ground-Level Ozone, while Maricopa, Arizona's is Ground-Level Ozone. Both cities share the same dominant pollutant.

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