Sacramento, California Air Quality

Sacramento County, California (CA)

↓ Improvingover 10 years

Air Quality Grade

53/100

Current Median AQI

Moderate

5-Year Avg AQI

-4

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). This area has seen measurable air quality improvement over the decade.

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	51	86	133	180	173	12	Ozone
2022	53	93	164	162	184	19	Ozone
2021	55	100	381	146	183	36	Ozone
2020	55	100	226	145	185	36	PM2.5
2019	52	84	140	175	180	10	Ozone
2018	58	100	376	104	226	35	PM2.5
2017	60	100	164	105	225	35	PM2.5
2016	55	101	172	136	191	39	PM2.5
2015	58	93	172	101	237	27	PM2.5
2014	55	105	147	133	192	40	Ozone

What This Means for Sacramento County Residents

Sacramento, California has received an Air Quality Grade of C (53/100) based on a decade of EPA monitoring data. The current median AQI of 51 falls in the "Moderate" range.

Encouragingly, air quality here has been improving, with the median AQI dropping by 4 points over the monitoring period. This trend suggests continued investment in emission controls and cleaner energy.

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.