Whetstone, Arizona Air Quality
Whetstone 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, Whetstone recorded 179 good air quality days (66% of monitored days) and 3 unhealthy days.
Population: 2,971 • County: Cochise
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Quick Facts
| Current AQI | 67 — Moderate |
| 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 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 Whetstone Air Quality
What is the air quality in Whetstone today?
The current AQI in Whetstone is 67, 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 Whetstone getting better or worse?
Air quality in Whetstone has remained relatively stable over the past decade, with a median AQI of around 46.
What is the most common air pollutant in Whetstone?
Ozone is the primary air pollutant in Whetstone, 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 Whetstone have per year?
In 2025, Whetstone 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 Whetstone receive?
Whetstone 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
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Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Whetstone
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+
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Honeywell HPA300
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Dyson Pure Cool TP04
Premium all-in-one air purifier and fan with advanced features.
Molekule Air Pro
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