Littlefield, Arizona Air Quality
Littlefield has a median AQI of 19, earning an air quality grade of A+ — excellent air quality that ranks better than 95% of US cities. Air quality has remained relatively stable over the past decade. Particulate matter (PM10) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2025, Littlefield recorded 253 good air quality days (93% of monitored days) and 1 unhealthy days.
Population: 70 • County: Mohave
Current AQI
Quick Facts
| Current AQI | 15 — Good |
| Air Quality Grade | A+ |
| Median AQI (2025) | 19 |
| vs. U.S. Cities | Better than 95% |
| Primary Pollutant | PM10 |
| Unhealthy Days/Year | 1 |
| 10-Year Trend | → Stable |
| 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 Littlefield is sourced from the Virgin Valley monitoring area, located approximately 7 miles from city center. This EPA-certified station continuously tracks particulate matter (PM10), the primary driver of air quality alerts in this area.
Wildfire smoke is a significant factor in Littlefield's air quality, with regional fires capable of pushing AQI from Good to Unhealthy within hours during fire season (typically July through October). On smoke-impacted days, staying indoors with windows closed and running an air purifier with a HEPA filter is the most effective protection.
AQI Trend (10 Years)
Air Quality Days by Year
Littlefield Median AQI by Year
Annual EPA air quality data for Littlefield — median AQI, day-category breakdown, and primary pollutant per year.
| Year | Median AQI | Good Days | Unhealthy Days | Max AQI | Primary Pollutant |
|---|---|---|---|---|---|
| 2025 | 19 | 253 | 2 | 331 | PM10 |
| 2024 | 19 | 347 | — | 69 | PM10 |
| 2023 | 15 | 344 | — | 99 | PM10 |
| 2022 | 17 | 340 | 1 | 115 | PM10 |
| 2021 | 19 | 360 | 1 | 156 | PM10 |
| 2020 | 19 | 348 | 1 | 116 | PM10 |
| 2019 | 14 | 358 | — | 69 | PM10 |
| 2018 | 18 | 349 | 1 | 105 | PM10 |
| 2017 | 17 | 349 | — | 86 | PM10 |
| 2016 | 19 | 334 | — | 83 | PM10 |
Source: EPA Air Quality System (AQS) annual summaries. "Unhealthy Days" includes Unhealthy for Sensitive Groups, Unhealthy, Very Unhealthy, and Hazardous categories.
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 Littlefield Air Quality
What is the air quality in Littlefield today?
The current AQI in Littlefield is 15, 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 Littlefield getting better or worse?
Air quality in Littlefield has been stable. The median AQI has remained stable at around 19 over the past decade.
What is the most common air pollutant in Littlefield?
PM10 is the primary air pollutant in Littlefield, responsible for 243 days (90% of monitored days) in 2025. Particulate matter originates from vehicle exhaust, wildfires, construction, and industrial activity.
How many unhealthy air days does Littlefield have per year?
In 2025, Littlefield recorded 93% good air quality days (253 days) out of 271 monitored days. There were 0 Unhealthy for Sensitive Groups days and 1 Unhealthy days (AQI above 100). The most severe category (Very Unhealthy or Hazardous) occurred on 1 day. The highest single-day AQI recorded was 331.
What air quality grade does Littlefield receive?
Littlefield receives an air quality grade of A+, placing it better than 95% of US cities. This is based on a median AQI of 19 in 2025, with 253 good air quality days. The EPA monitors air quality in this area continuously using certified monitoring stations.
Air Quality Grade
Better than 95% of US cities
Nearby Cities
Get AQI Alerts
Receive notifications when air quality changes in Littlefield
National Rankings
See how Littlefield compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Littlefield
Littlefield's primary pollutant is PM10 (coarse dust and pollen). Units with a washable pre-filter stage plus True HEPA handle the larger particles that drive most of this area's air quality days.
Blueair Blue Pure 211+
High performance for large rooms with simple operation.
- ✓Good room size match
- ✓Recommended for your air quality
- ✓High performance
We may earn a commission from purchases
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 →