Manhattan, New York Air Quality

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

Manhattan, NY · Air quality right now

The air quality index in Manhattan, NY is 55 (Moderate) right now — acceptable for most people.

Is it safe to be outside in Manhattan today?

AQI 55 Yes — air quality is Moderate

Fine for most; unusually sensitive people can take it easy.Main pollutant: PM2.5Observed 2:00 AM EDT

Pollutants right now

ExerciseOK to run for most; sensitive athletes can ease the intensity.

How to read Manhattan’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 Manhattan

Across the EPA’s county records from 2020 to 2025, Manhattan’s cleanest year was 2020 (median AQI 40) and its most polluted was 2025 (median AQI 50); the typical (median) day has trended more polluted since 2020.

Manhattan’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
2020400PM2.51107258
2021431PM2.56113245
2022430PM2.51130234
2023484PM2.55162194
2024430PM2.53122241
2025500PM2.56176183

“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 Manhattan?
In the EPA's 2020–2025 county records, 2023 had the most days above AQI 100: 9 days (5 Unhealthy for Sensitive Groups, 4 Unhealthy or worse). The highest median AQI came in 2025 (50; 2023's was 48).
How many unhealthy air days does Manhattan have?
Across 2020–2025, 1% of the days reported for Manhattan's county had an AQI above 100 (27 of 2192), about 5 days a year. 2025 had 6 days.
What's the main air pollutant in Manhattan?
PM2.5: it drove Manhattan's county AQI on the most days in every year of the EPA's 2020–2025 records.