Sierra Vista Southeast, Arizona Air Quality
Sierra Vista Southeast has a median AQI of 46, earning an air quality grade of B+ — good air quality that ranks better than 24% of US cities. Air quality has remained relatively stable over the past decade. Ground-level ozone is the primary concern, typically peaking on warm sunny days due to vehicle and industrial emissions. In 2025, Sierra Vista Southeast recorded 179 good air quality days (66% of monitored days) and 3 unhealthy days.
Population: 14,330 • County: Cochise
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Quick Facts
| Current AQI | 49 — Good |
| Air Quality Grade | B+ |
| Median AQI (2025) | 46 |
| vs. U.S. Cities | Better than 24% |
| Primary Pollutant | Ozone |
| Unhealthy Days/Year | 3 |
| 10-Year Trend | → Stable |
| Data Source | EPA AirNow |
Health Recommendation
Air quality is satisfactory, and air pollution poses little or no risk.
It's a great day to be active outside!
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 Sierra Vista Southeast Air Quality
What is the air quality in Sierra Vista Southeast today?
The current AQI in Sierra Vista Southeast is 49, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Sierra Vista Southeast getting better or worse?
Air quality in Sierra Vista Southeast has remained relatively stable over the past decade, with a median AQI of around 46.
What is the most common air pollutant in Sierra Vista Southeast?
Ozone is the primary air pollutant in Sierra Vista Southeast, responsible for the most air quality-impacted days in 2025. Ground-level ozone forms when sunlight reacts with vehicle and industrial emissions on warm days.
How many unhealthy air days does Sierra Vista Southeast have per year?
In 2025, Sierra Vista Southeast had 3 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 179 good days and 90 moderate days out of 273 days monitored.
What air quality grade does Sierra Vista Southeast receive?
Sierra Vista Southeast receives an air quality grade of B+, placing it better than 24% of US cities. This grade is based on a median AQI of 46 for 2025, derived from EPA monitoring data.
Air Quality Grade
Better than 24% of US cities
Nearby Cities
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National Rankings
See how Sierra Vista Southeast compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Sierra Vista Southeast
Based on your area's air quality (median AQI: 46), we recommend these air purifiers to help protect your health indoors.
Blueair Blue Pure 211+
High performance for large rooms with simple operation.
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Other Great Options
Honeywell HPA300
Powerful workhorse for large rooms. Built to last.
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 →