Midland Park, New Jersey Air Quality
Midland Park air quality today — the AQI, the main pollutant, and whether it’s safe to exercise outside right now
Midland Park, NJ · Air quality right now
The air quality index in Midland Park, NJ is 55 (Moderate) right now — acceptable for most people.
Is it safe to be outside in Midland Park today?
AQI 55 Yes — air quality is Moderate
Fine for most; unusually sensitive people can take it easy.Main pollutant: PM2.5Observed 12:00 AM EDT
Pollutants right now
- PM2.512 µg/m³Main pollutantfine particles — smoke, exhaust, soot
- PM1013 µg/m³coarse particles — dust, pollen, ash
- Ozone27 µg/m³smog — builds on hot, sunny days
- NO₂39 µg/m³nitrogen dioxide — traffic, combustion
ExerciseOK to run for most; sensitive athletes can ease the intensity.
How to read Midland 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 Midland Park
Across the EPA’s county records from 2020 to 2025, Midland Park’s cleanest year was 2024 (median AQI 40) and its most polluted was 2023 (median AQI 48); the typical (median) day has held roughly steady since 2020.
| Year | Median AQI | Unhealthy+ | Main pollutant | USG | Moderate | Good |
|---|---|---|---|---|---|---|
| 2020 | 43 | 0 | PM2.5 | 3 | 133 | 228 |
| 2021 | 43 | 0 | PM2.5 | 9 | 126 | 230 |
| 2022 | 42 | 0 | PM2.5 | 0 | 106 | 259 |
| 2023 | 48 | 4 | PM2.5 | 5 | 152 | 204 |
| 2024 | 40 | 1 | Ozone | 9 | 89 | 267 |
| 2025 | 40 | 0 | Ozone | 4 | 101 | 258 |
“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 Midland Park?
- In the EPA's 2020–2025 county records, 2024 had the most days above AQI 100: 10 days (9 Unhealthy for Sensitive Groups, 1 Unhealthy or worse). The highest median AQI came in 2023 (48; 2024's was 40).
- How many unhealthy air days does Midland Park have?
- Across 2020–2025, 2% of the days reported for Midland Park's county had an AQI above 100 (35 of 2188), about 6 days a year. 2025 had 4 days.
- What's the main air pollutant in Midland Park?
- PM2.5 drove Midland Park's county AQI on the most days in 4 of 6 years (2020–2025); Ozone in 2024, 2025.