Litchfield Park, Arizona Air Quality
Litchfield Park air quality today — the AQI, the main pollutant, and whether it’s safe to exercise outside right now
Litchfield Park, AZ · Air quality right now
The air quality index in Litchfield Park, AZ is 54 (Moderate) right now — acceptable for most people.
Is it safe to be outside in Litchfield Park today?
AQI 54 Yes — air quality is Moderate
Fine for most; unusually sensitive people can take it easy.Main pollutant: PM2.5Observed 8:00 AM MST
Pollutants right now
- PM2.512 µg/m³Main pollutantfine particles — smoke, exhaust, soot
- PM1027 µg/m³coarse particles — dust, pollen, ash
- Ozone18 µg/m³smog — builds on hot, sunny days
- NO₂15 µg/m³nitrogen dioxide — traffic, combustion
ExerciseOK to run for most; sensitive athletes can ease the intensity.
How to read Litchfield Park’s air quality
Guides: The AQI Scale, Explained · Air Quality Alerts, Decoded · How to Read a Wildfire Smoke Map · Why Wildfire Smoke Travels 1,000 Miles.
Air quality over time in Litchfield Park
Across the EPA’s county records from 2020 to 2025, Litchfield Park’s cleanest year was 2023 (median AQI 72) and its most polluted was 2021 (median AQI 122); the typical (median) day has trended cleaner since 2020.
| Year | Median AQI | Unhealthy+ | Main pollutant | USG | Moderate | Good |
|---|---|---|---|---|---|---|
| 2020 | 112 | 141 | Ozone | 60 | 154 | 11 |
| 2021 | 122 | 134 | Ozone | 91 | 128 | 12 |
| 2022 | 75 | 23 | Ozone | 73 | 242 | 27 |
| 2023 | 72 | 7 | Ozone | 61 | 256 | 41 |
| 2024 | 77 | 8 | Ozone | 65 | 260 | 33 |
| 2025 | 73 | 6 | Ozone | 32 | 295 | 32 |
“USG” is Unhealthy for Sensitive Groups (AQI 101–150); “Unhealthy+” combines the Unhealthy, Very Unhealthy, and Hazardous days. In 2024 the EPA tightened the annual fine-particle (PM2.5) standard to 9 µg/m³ from the previous 12 µg/m³, so counties near the old limit read worse against the new one. Source: EPA AQS annual summaries, 2020–2025.
Frequently asked
- What was the worst year for air quality in Litchfield Park?
- In the EPA's 2020–2025 county records, 2021 had the most days above AQI 100: 225 days (91 Unhealthy for Sensitive Groups, 134 Unhealthy or worse). It also had the highest median AQI, 122.
- How many unhealthy air days does Litchfield Park have?
- Across 2020–2025, 32% of the days reported for Litchfield Park's county had an AQI above 100 (701 of 2192), about 117 days a year. 2025 had 38 days.
- What's the main air pollutant in Litchfield Park?
- Ozone: it drove Litchfield Park's county AQI on the most days in every year of the EPA's 2020–2025 records.