Ramapo College of New Jersey, New Jersey Air Quality
Ramapo College of New Jersey air quality today — the AQI, the main pollutant, and whether it’s safe to exercise outside right now
Ramapo College of New Jersey, NJ · Air quality right now
The air quality index in Ramapo College of New Jersey, NJ is 38 (Good) right now — safe for outdoor activity.
Is it safe to be outside in Ramapo College of New Jersey today?
AQI 38 Yes — air quality is Good
Air is clean — great for outdoor activity.Main pollutant: PM2.5Observed 11:00 AM EDT
Pollutants right now
- PM2.53.0 µg/m³Main pollutantfine particles — smoke, exhaust, soot
- PM103.2 µg/m³coarse particles — dust, pollen, ash
- Ozone71 µg/m³smog — builds on hot, sunny days
- NO₂2.2 µg/m³nitrogen dioxide — traffic, combustion
ExerciseOK to run — no air-quality limits on outdoor exercise.
How to read Ramapo College of New Jersey’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 Ramapo College of New Jersey
Across the EPA’s county records from 2020 to 2025, Ramapo College of New Jersey’s cleanest year was 2024 (median AQI 40) and its most polluted was 2023 (median AQI 48); the typical (median) day has held roughly steady since 2020.
| Year | Median AQI | Unhealthy+ | Main pollutant | USG | Moderate | Good |
|---|---|---|---|---|---|---|
| 2020 | 43 | 0 | PM2.5 | 3 | 133 | 228 |
| 2021 | 43 | 0 | PM2.5 | 9 | 126 | 230 |
| 2022 | 42 | 0 | PM2.5 | 0 | 106 | 259 |
| 2023 | 48 | 4 | PM2.5 | 5 | 152 | 204 |
| 2024 | 40 | 1 | Ozone | 9 | 89 | 267 |
| 2025 | 40 | 0 | Ozone | 4 | 101 | 258 |
“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, 2020–2025.
Frequently asked
- What was the worst year for air quality in Ramapo College of New Jersey?
- In the EPA's 2020–2025 county records, 2024 had the most days above AQI 100: 10 days (9 Unhealthy for Sensitive Groups, 1 Unhealthy or worse). The highest median AQI came in 2023 (48; 2024's was 40).
- How many unhealthy air days does Ramapo College of New Jersey have?
- Across 2020–2025, 2% of the days reported for Ramapo College of New Jersey's county had an AQI above 100 (35 of 2188), about 6 days a year. 2025 had 4 days.
- What's the main air pollutant in Ramapo College of New Jersey?
- PM2.5 drove Ramapo College of New Jersey's county AQI on the most days in 4 of 6 years (2020–2025); Ozone in 2024, 2025.