Nanuet, New York Air Quality

Nanuet air quality today — the AQI, the main pollutant, and whether it’s safe to exercise outside right now

Nanuet, NY · Air quality right now

The air quality index in Nanuet, NY is 42 (Good) right now — safe for outdoor activity.

Is it safe to be outside in Nanuet today?

AQI 42 Yes — air quality is Good

Air is clean — great for outdoor activity.Main pollutant: PM2.5Observed 7:00 AM EDT

Pollutants right now

ExerciseOK to run — no air-quality limits on outdoor exercise.

How to read Nanuet’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 Nanuet

Across the EPA’s county records from 2020 to 2025, Nanuet’s cleanest year was 2020 (median AQI 36) and its most polluted was 2022 (median AQI 38); the typical (median) day has held roughly steady since 2020.

Nanuet’s county air-quality record by year — the median and days in each AQI category, from the EPA’s Annual AQI by County summaries.
YearMedian AQIUnhealthy+Main pollutantUSGModerateGood
2020360Ozone047319
2021371Ozone047314
2022380Ozone050315
2023383Ozone666288
2024370Ozone553308
2025370Ozone746312

“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, 20202025.

Frequently asked

What was the worst year for air quality in Nanuet?
In the EPA's 2020–2025 county records, 2023 had the most days above AQI 100: 9 days (6 Unhealthy for Sensitive Groups, 3 Unhealthy or worse). It also had the highest median AQI, 38.
How many unhealthy air days does Nanuet have?
Across 2020–2025, 1% of the days reported for Nanuet's county had an AQI above 100 (22 of 2187), about 4 days a year. 2025 had 7 days.
What's the main air pollutant in Nanuet?
Ozone: it drove Nanuet's county AQI on the most days in every year of the EPA's 2020–2025 records.