Clark, Nevada Air Quality

Clark County, Nevada (NV)

→ Stableover 10 years

Air Quality Grade

43/100

Current Median AQI

Moderate

5-Year Avg AQI

10-Year Change

Better

Unhealthy Days/yr

5-year average

Ozone

Primary Pollutant

Ground-Level Ozone

10-Year AQI Trend

The solid line shows the median AQI each year. The dashed line shows the 90th percentile (worst 10% of days).

Air Quality Day Breakdown

Number of days per year in each EPA AQI category. Green = Good (AQI 0-50), Yellow = Moderate (51-100), Orange = Unhealthy for Sensitive Groups (101-150), Red = Unhealthy or worse (151+).

Year-by-Year Data

Year	Median AQI	90th Pct	Max AQI	Good Days	Moderate	Unhealthy+	Pollutant
2023	61	100	197	106	233	26	Ozone
2022	64	97	480	71	268	26	Ozone
2021	62	100	183	87	244	34	Ozone
2020	65	93	174	92	249	25	Ozone
2019	58	87	122	128	232	5	Ozone
2018	63	108	155	104	212	49	Ozone
2017	61	97	154	100	236	29	Ozone
2016	61	93	268	79	261	26	Ozone
2015	61	94	151	90	252	23	Ozone
2014	61	90	160	72	277	16	Ozone

What This Means for Clark County Residents

Clark, Nevada has received an Air Quality Grade of D (43/100) based on a decade of EPA monitoring data. The current median AQI of 61 falls in the "Moderate" range.

The primary pollutant affecting this area is Ground-Level Ozone. Over the past 5 years, this area has averaged 23 unhealthy air quality days per year — days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity.