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AirHistory

SONORA, Country Of Mexico Air Quality

SONORA County, Country Of Mexico (MX)

Worseningover 7 years

D
Air Quality Grade
47/100
53
Current Median AQI
Moderate
44
5-Year Avg AQI
+16
10-Year Change
Worse
5
Unhealthy Days/yr
5-year average
Ozone
Primary Pollutant
Ground-Level Ozone

How SONORA, Country Of Mexico Air Quality Compares

SONORA, Country Of Mexico's median AQI of 53is 29% worse than the national average of 41. Air quality has worsened by 16 AQI points over the past decade. The area averages 5 unhealthy air days per year. The primary pollutant of concern is 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 in this area has been declining over the past 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

YearMedian AQI90th PctMax AQIGood DaysModerateUnhealthy+Pollutant
2023538015515120211PM2.5
202251801151801796Ozone
202134476110050Ozone
20204164101125201Ozone
20194361126288655Ozone
20183851119317423Ozone
20173751143184205Ozone

What This Means for SONORA County Residents

SONORA, Country Of Mexico has received an Air Quality Grade of D (47/100) based on a decade of monitoring data from the EPA's air quality monitoring program. The current median AQI of 53 falls in the "Moderate" range.

Concerning trends show air quality has been declining, with the median AQI rising by 16 points over the monitoring period. This could be driven by increased development, wildfire smoke, or industrial activity.

The primary pollutant affecting this area is Ground-Level Ozone. Over the past 5 years, this area has averaged 5 unhealthy air quality days per year, days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity. The American Lung Association's State of the Air report provides additional context on long-term health risks from air pollution exposure.

Frequently Asked Questions

SONORA, Country Of Mexico has a current median AQI of 53, which falls in the "Moderate" range. The area has received an Air Quality Grade of D (47/100) based on 10 years of EPA monitoring data.

Air quality in SONORA, Country Of Mexico is worsening over the past decade. The median AQI has changed by +16 points from 2017 to 2023.

SONORA, Country Of Mexico averages 5 unhealthy air quality days per year over the past 5 years. On these days, sensitive groups including children, the elderly, and those with respiratory conditions should limit outdoor activity.

The primary pollutant affecting SONORA, Country Of Mexico is Ground-Level Ozone. This is the dominant contributor to elevated AQI readings in the SONORA County area.

SONORA, Country Of Mexico averages 5 unhealthy air days per year. This is relatively low, making it a reasonable choice for asthma sufferers. The primary pollutant is Ground-Level Ozone, which is a known asthma trigger.

With a median AQI of 53 (Moderate), outdoor exercise in SONORA, Country Of Mexico is safe most days, though sensitive individuals should check daily AQI before intense workouts. SONORA, Country Of Mexico averages 5 days per year when athletes should move workouts indoors.

Last updated:

The this entity record above pulls directly from the EPA Air Quality System (AQS). What follows is the per-entity context — how this entity sits in the broader U.S. air quality and pollution monitoring distribution and which underlying factors drive the headline numbers.

Every number on this page links back to the EPA Air Quality System (AQS); the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.

Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. counties and states. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.