West New York, New Jersey Air Quality
West New York has a median AQI of 41, earning an air quality grade of A- — excellent air quality that ranks better than 50% of US cities. Air quality has been improving steadily over the past decade, a positive sign for residents. Particulate matter (PM2.5) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2025, West New York recorded 136 good air quality days (75% of monitored days) and 1 unhealthy days.
Population: 52,004 • County: Hudson
Current AQI
Quick Facts
| Current AQI | 16 — Good |
| Air Quality Grade | A- |
| Median AQI (2025) | 41 |
| vs. U.S. Cities | Better than 50% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 1 |
| 10-Year Trend | ↑ Improving |
| 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 West New York is sourced from the Union City High School monitoring area, located approximately 2 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.
West New York tends to see elevated PM2.5 readings during fall and winter months when temperature inversions trap pollutants near the surface. Wood burning, vehicle exhaust, and reduced wind speeds compound the effect. Residents with respiratory conditions should monitor forecasts closely between November and February.
AQI Trend (10 Years)
Air Quality Days by Year
West New York Median AQI by Year
Annual EPA air quality data for West New York — median AQI, day-category breakdown, and primary pollutant per year.
| Year | Median AQI | Good Days | Unhealthy Days | Max AQI | Primary Pollutant |
|---|---|---|---|---|---|
| 2025 | 41 | 136 | 1 | 133 | PM2.5 |
| 2024 | 41 | 261 | 3 | 151 | PM2.5 |
| 2023 | 44 | 218 | 5 | 203 | PM2.5 |
| 2022 | 44 | 232 | 2 | 115 | PM2.5 |
| 2021 | 44 | 216 | 3 | 126 | PM2.5 |
| 2020 | 39 | 259 | — | 90 | PM2.5 |
| 2019 | 47 | 211 | — | 93 | PM2.5 |
| 2018 | 49 | 190 | 9 | 174 | PM2.5 |
| 2017 | 51 | 177 | 3 | 115 | PM2.5 |
| 2016 | 49 | 189 | 2 | 119 | PM2.5 |
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 West New York Air Quality
What is the air quality in West New York today?
The current AQI in West New York is 16, 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 West New York getting better or worse?
Air quality in West New York has been improving. The median AQI has dropped 8 points (from 49 in 2016 to 41 in 2025), a positive trend for residents.
What is the most common air pollutant in West New York?
PM2.5 is the primary air pollutant in West New York, responsible for 66 days (36% of monitored days) in 2025. Particulate matter originates from vehicle exhaust, wildfires, construction, and industrial activity.
How many unhealthy air days does West New York have per year?
In 2025, West New York recorded 75% good air quality days (136 days) out of 182 monitored days. There were 1 Unhealthy for Sensitive Groups days and 0 Unhealthy days (AQI above 100). The highest single-day AQI recorded was 133.
What air quality grade does West New York receive?
West New York receives an air quality grade of A-, placing it better than 50% of US cities. This is based on a median AQI of 41 in 2025, with 136 good air quality days. The EPA monitors air quality in this area continuously using certified monitoring stations.
Air Quality Grade
Better than 50% of US cities
Nearby Cities
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National Rankings
See how West New York compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for West New York
West New York sees its worst PM2.5 during winter temperature inversions when particulates get trapped near ground level. A unit with True HEPA and an auto-mode sensor is most effective for responding to these spikes.
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