Hazelton, Idaho Air Quality
Hazelton has a median AQI of 13, earning an air quality grade of A+ — excellent air quality that ranks better than 98% of US cities. Air quality has been improving steadily over the past decade, a positive sign for residents. Particulate matter (PM2.5) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2020, Hazelton recorded 213 good air quality days (100% of monitored days).
Population: 977 • County: Jerome
Current AQI
Quick Facts
| Current AQI | 26 — Good |
| Air Quality Grade | A+ |
| Median AQI (2020) | 13 |
| vs. U.S. Cities | Better than 98% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | ↑ Improving |
| Data Source | EPA AQS (historical) · AirNow (live) |
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 90 Days
Current Pollutant Levels
Real-time data from EPA AirNow
Local Air Quality Context
Air quality data for Hazelton is sourced from the Twin Falls PM25 monitoring area, located approximately 18 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.
Hazelton has relatively consistent air quality throughout the year without a strong seasonal peak. Air quality is primarily influenced by local traffic, industrial activity, and regional weather patterns rather than a single seasonal driver.
AQI Trend (10 Years)
Air Quality Days by Year
Hazelton Median AQI by Year
Annual EPA air quality data for Hazelton — median AQI, day-category breakdown, and primary pollutant per year.
| Year | Median AQI | Good Days | Unhealthy Days | Max AQI | Primary Pollutant |
|---|---|---|---|---|---|
| 2020 | 13 | 213 | — | 49 | PM2.5 |
| 2019 | 20 | 345 | — | 55 | PM2.5 |
| 2018 | 24 | 270 | 5 | 145 | PM2.5 |
| 2017 | 30 | 235 | 6 | 154 | PM2.5 |
| 2016 | 17 | 198 | — | 53 | PM2.5 |
Source: EPA Air Quality System (AQS) annual summaries. "Unhealthy Days" includes Unhealthy for Sensitive Groups, Unhealthy, Very Unhealthy, and Hazardous categories.
2020 Air Quality Summary
Primary Pollutant Days (2020)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Hazelton Air Quality
What is the air quality in Hazelton today?
The current AQI in Hazelton is 26, rated "Good". Air quality is good — outdoor activity is safe for everyone today. Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Hazelton getting better or worse?
Air quality in Hazelton has been improving. The median AQI has dropped 4 points (from 17 in 2016 to 13 in 2020), a positive trend for residents.
What is the most common air pollutant in Hazelton?
PM2.5 is the primary air pollutant in Hazelton, responsible for 213 days (100% of monitored days) in 2020. Particulate matter originates from vehicle exhaust, wildfires, construction, and industrial activity.
How many unhealthy air days does Hazelton have per year?
In 2020, Hazelton recorded 100% good air quality days (213 days) out of 213 monitored days. There were 0 Unhealthy for Sensitive Groups days and 0 Unhealthy days (AQI above 100). The highest single-day AQI recorded was 49.
What air quality grade does Hazelton receive?
Hazelton receives an air quality grade of A+, placing it better than 98% of US cities. This is based on a median AQI of 13 in 2020, with 213 good air quality days. The EPA monitors air quality in this area continuously using certified monitoring stations.
Air Quality Grade
Better than 98% of US cities
Nearby Cities
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National Rankings
See how Hazelton compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Hazelton
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