Morris, New Jersey Air Quality
Morris County, New Jersey (NJ)
→ Stableover 10 years
10-Year AQI Trend
The solid line shows the median AQI each year. The dashed line shows the 90th percentile (worst 10% of days).
Air Quality Day Breakdown
Number of days per year in each EPA AQI category. Green = Good (AQI 0-50), Yellow = Moderate (51-100), Orange = Unhealthy for Sensitive Groups (101-150), Red = Unhealthy or worse (151+).
Year-by-Year Data
| Year | Median AQI | 90th Pct | Max AQI | Good Days | Moderate | Unhealthy+ | Pollutant |
|---|---|---|---|---|---|---|---|
| 2023 | 37 | 55 | 154 | 314 | 43 | 6 | Ozone |
| 2022 | 36 | 52 | 84 | 320 | 40 | 0 | Ozone |
| 2021 | 36 | 49 | 97 | 327 | 36 | 0 | Ozone |
| 2020 | 35 | 48 | 84 | 341 | 25 | 0 | Ozone |
| 2019 | 36 | 51 | 87 | 325 | 39 | 0 | Ozone |
| 2018 | 35 | 56 | 136 | 319 | 41 | 5 | Ozone |
| 2017 | 35 | 54 | 115 | 318 | 42 | 3 | Ozone |
| 2016 | 35 | 55 | 151 | 312 | 49 | 3 | Ozone |
| 2015 | 37 | 58 | 108 | 304 | 58 | 3 | Ozone |
| 2014 | 40 | 66 | 112 | 270 | 89 | 1 | Ozone |
What This Means for Morris County Residents
Morris, New Jersey has received an Air Quality Grade of B (69/100) based on a decade of monitoring data from the EPA's air quality monitoring program. The current median AQI of 37 falls in the "Good" range.
The primary pollutant affecting this area is Ground-Level Ozone. Over the past 5 years, this area has averaged 1 unhealthy air quality days per year — days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity. The American Lung Association's State of the Air report provides additional context on long-term health risks from air pollution exposure.
Related Cities in New Jersey
AQI: 38 · Grade: B
AQI: 48 · Grade: C
AQI: 50 · Grade: C
AQI: 43 · Grade: C
AQI: 44 · Grade: C
AQI: 43 · Grade: B
AQI: 44 · Grade: B
AQI: 44 · Grade: C
Frequently Asked Questions
Morris, New Jersey has a current median AQI of 37, which falls in the "Good" range. The area has received an Air Quality Grade of B (69/100) based on 10 years of EPA monitoring data.
Air quality in Morris, New Jersey is stable over the past decade. The median AQI has changed by -3 points from 2014 to 2023.
Morris, New Jersey averages 1 unhealthy air quality days per year over the past 5 years. On these days, sensitive groups including children, the elderly, and those with respiratory conditions should limit outdoor activity.
The primary pollutant affecting Morris, New Jersey is Ground-Level Ozone. This is the dominant contributor to elevated AQI readings in the Morris County area.
Morris, New Jersey averages 1 unhealthy air days per year. This is relatively low, making it a reasonable choice for asthma sufferers. The primary pollutant is Ground-Level Ozone, which is a known asthma trigger.
With a median AQI of 37 (Good), outdoor exercise in Morris, New Jersey is generally safe year-round. Morris, New Jersey averages 1 days per year when athletes should move workouts indoors.