Lower Berkshire Valley, New Jersey Air Quality

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

Lower Berkshire Valley, NJ · Air quality right now

The air quality index in Lower Berkshire Valley, NJ is 24 (Good) right now — safe for outdoor activity.

Is it safe to be outside in Lower Berkshire Valley today?

AQI 24 Yes — air quality is Good

Air is clean — great for outdoor activity.Main pollutant: PM2.5Observed 11:00 AM EDT

Pollutants right now

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

How to read Lower Berkshire Valley’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 Lower Berkshire Valley

Across the EPA’s county records from 2020 to 2025, Lower Berkshire Valley’s cleanest year was 2020 (median AQI 35) and its most polluted was 2025 (median AQI 39); the typical (median) day has trended more polluted since 2020.

Lower Berkshire Valley’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
2020350Ozone025341
2021360Ozone036327
2022360Ozone040320
2023372Ozone443314
2024370Ozone259305
2025390Ozone348275

“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 Lower Berkshire Valley?
In the EPA's 2020–2025 county records, 2023 had the most days above AQI 100: 6 days (4 Unhealthy for Sensitive Groups, 2 Unhealthy or worse). The highest median AQI came in 2025 (39; 2023's was 37).
How many unhealthy air days does Lower Berkshire Valley have?
Across 2020–2025, under 1% of the days reported for Lower Berkshire Valley's county had an AQI above 100 (11 of 2144), about 2 days a year. 2025 had 3 days.
What's the main air pollutant in Lower Berkshire Valley?
Ozone: it drove Lower Berkshire Valley's county AQI on the most days in every year of the EPA's 2020–2025 records.