Ak Chin, Arizona Air Quality
Ak Chin has a median AQI of 55, earning an air quality grade of B — good air quality that ranks better than 4% of US cities. Air quality has been trending worse over the past decade, a concern for local residents and health officials. Particulate matter (PM10) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2025, Ak Chin recorded 101 good air quality days (37% of monitored days) and 5 unhealthy days.
Population: 22 • County: Pima
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Quick Facts
| Current AQI | 66 — Moderate |
| Air Quality Grade | B |
| Median AQI (2025) | 55 |
| vs. U.S. Cities | Better than 4% |
| Primary Pollutant | PM10 |
| Unhealthy Days/Year | 5 |
| 10-Year Trend | ↓ Worsening |
| Data Source | EPA AirNow |
Health Recommendation
Air quality is acceptable. However, there may be a risk for some people who are unusually sensitive to air pollution.
Unusually sensitive people should consider reducing prolonged or heavy outdoor exertion.
5-Day AQI Forecast
Last 30 Days
Current Pollutant Levels
Real-time data from EPA AirNow
AQI Trend (10 Years)
Air Quality Days by Year
2025 Air Quality Summary
Primary Pollutant Days (2025)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Ak Chin Air Quality
What is the air quality in Ak Chin today?
The current AQI in Ak Chin is 66, which is rated "Moderate". Air quality is acceptable. However, there may be a risk for some people who are unusually sensitive to air pollution.
Is air quality in Ak Chin getting better or worse?
Air quality in Ak Chin has been worsening in recent years. The median AQI rose from 50 in 2016 to 55 in 2025.
What is the most common air pollutant in Ak Chin?
PM10 is the primary air pollutant in Ak Chin, responsible for the most air quality-impacted days in 2025. Particulate matter can originate from vehicle exhaust, wildfires, and industrial emissions.
How many unhealthy air days does Ak Chin have per year?
In 2025, Ak Chin had 5 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 101 good days and 165 moderate days out of 273 days monitored.
What air quality grade does Ak Chin receive?
Ak Chin receives an air quality grade of B, placing it better than 4% of US cities. This grade is based on a median AQI of 55 for 2025, derived from EPA monitoring data.
Air Quality Grade
Better than 4% of US cities
Nearby Cities
Protect Your Health
With a median AQI of 55, indoor air purification is recommended
See Recommended Purifiers ↓Get AQI Alerts
Receive notifications when air quality changes in Ak Chin
National Rankings
See how Ak Chin compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Ak Chin
Based on your area's air quality (median AQI: 55), we recommend these air purifiers to help protect your health indoors.
Honeywell HPA300
Powerful workhorse for large rooms. Built to last.
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Other Great Options
Blueair Blue Pure 211+
High performance for large rooms with simple operation.
Dyson Pure Cool TP04
Premium all-in-one air purifier and fan with advanced features.
Molekule Air Pro
Commercial-grade with patented PECO technology for destroying pollutants.
Not sure which air purifier is right for you?
Learn more about different types of air purifiers and how to choose the best one for your needs.
Read our complete buying guide →