Elizabeth, New Jersey Air Quality

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

Elizabeth, NJ · Air quality right now

The air quality index in Elizabeth, NJ is 52 (Moderate) right now — acceptable for most people.

Is it safe to be outside in Elizabeth today?

AQI 52 Yes — air quality is Moderate

Fine for most; unusually sensitive people can take it easy.Main pollutant: PM2.5Observed 10:00 AM EDT

Pollutants right now

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

How to read Elizabeth’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 Elizabeth

Across the EPA’s county records from 2020 to 2025, Elizabeth’s cleanest year was 2024 (median AQI 43) and its most polluted was 2021 (median AQI 52); the typical (median) day has trended cleaner since 2020.

Elizabeth’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
2020480PM2.51167198
2021520PM2.51207157
2022490PM2.50174191
2023524PM2.51197163
2024430PM2.50137229
2025440PM2.51140222

“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 Elizabeth?
In the EPA's 2020–2025 county records, 2023 had the most days above AQI 100: 5 days (1 Unhealthy for Sensitive Groups, 4 Unhealthy or worse). It also had the highest median AQI, 52.
How many unhealthy air days does Elizabeth have?
Across 2020–2025, under 1% of the days reported for Elizabeth's county had an AQI above 100 (8 of 2190), about 1 day a year. 2025 had 1 day.
What's the main air pollutant in Elizabeth?
PM2.5: it drove Elizabeth's county AQI on the most days in every year of the EPA's 2020–2025 records.