Median AQI
44
Good
New Jersey · County air quality · 2025
Camden County, New Jersey
Median AQI 44 (Good). 69.4% of monitored days rated Good, direct from EPA Air Quality System stations.
- 44
- Median AQI
- 69.4%
- Good-air days
- 1
- Unhealthy days
- 30%
- Cleaner than US counties
The verdict
According to EPA Air Quality System monitoring data, Camden County's air is good on balance, more polluted than the median US county, a median AQI of 44 with 69.4% of 180 monitored days in the Good band, driven mainly by Ozone.
- 44
- median AQI · Good
- 69.4%
- days rated Good
- Ozone
- main pollutant
- 30%
- cleaner than US counties
1 day reached Unhealthy or worse; the worst single reading hit AQI 168.
Data updated July 2026
- Good · 125 d · 69.4%
- Moderate · 53 d · 29.4%
- USG · 1 d · 0.6%
- Unhealthy · 1 d · 0.6%
How did Camden County's air break down in 2025?
Across 180 monitored days, 125 fell in the Good band (AQI 0–50) and 1 reached Unhealthy or worse. The worst single day peaked at AQI 168 (Unhealthy).
EPA AQS →Air quality data from EPA Air Quality System (2025). 180 days monitored. Median AQI: 44 (Good).
Insights: Camden County, New Jersey. EPA monitors recorded a median Air Quality Index of 44 across 180 measured days in 2025, earning a Good classification and a Moderate health grade. Of those days, 125 (69%) fell in the Good band (AQI 0–50), 53 (29%) registered Moderate readings, and 1 (1%) reached Unhealthy for Sensitive Groups. The 90th-percentile AQI settled at 61, while the worst single-day peak hit 168 (Unhealthy). Residents averaged about 20.8 clean-air days per 30-day window during the monitoring year.
The full pollutant mix ranks as Ozone (95 days), PM2.5 (81 days), NO2 (2 days), CO (2 days). Across the 2020–2025 trend window, good days shifted by -94 and the median AQI moved -2 points, placing the multi-year trajectory at improving. Residents and visitors experienced 1 unhealthy-or-worse days combined, periods when the EPA recommends sensitive groups limit prolonged outdoor exertion. Nearby counties show comparable readings: Atlantic (79.6% good, AQI 38); Bergen (71.1% good, AQI 40); Cumberland (73.0% good, AQI 42); Gloucester (72.4% good, AQI 43); Hudson (74.7% good, AQI 41); Hunterdon (73.6% good, AQI 41).
Air Quality Summary
Good Days
69.4%
125 of 180 monitored days
-5.6pp vs 75% target
Max AQI Recorded
168
Unhealthy
Health Grade
Moderate
90th-pct AQI 61
Camden County, Good days share 69.4%
National avg
Share of monitored days at AQI 0-50 (Good band).
Camden County, Unhealthy-or-worse share 0.6%
National avg
Share of monitored days above AQI 150 (Unhealthy or worse). Bar maxes at 10% (worst-county ceiling).
AQI Day Breakdown (2025)
Distribution of 180 monitored days across EPA AQI categories.
Good
125
69%
Moderate
53
29%
USG
1
1%
Unhealthy
1
1%
Very Unhealthy
0
0%
Hazardous
0
0%
Pollutant Breakdown
Days where each pollutant was the primary driver of AQI readings in Camden County.
- Ozone · 95 days · 52.8%
- PM2.5 · 81 days · 45.0%
- NO₂ · 2 days · 1.1%
- CO · 2 days · 1.1%
Health Impact Assessment
Moderate
Camden County's air quality is rated Moderate based on 69.4% good air days. There were 1 unhealthy days in 2025 when outdoor activity should be limited.
Air quality is acceptable most days, but 1 days reached "Unhealthy for Sensitive Groups" (AQI 101-150) and peak AQI reached 168. Sensitive groups should monitor real-time conditions at AirNow.gov.
The dominant pollutant is Ozone, driving AQI on 95 of 180 monitored days.
5-Year Air Quality Trend
Air quality is improving in Camden County. Best year: 2024 (235 good days).
| Year | Good | Moderate | USG | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|---|
| 2020 | 219 | 147 | 0 | 0 | 46 | 87 |
| 2021 | 188 | 173 | 4 | 0 | 49 | 120 |
| 2022 | 197 | 167 | 1 | 0 | 48 | 108 |
| 2023 | 184 | 174 | 4 | 2 | 50 | 211 |
| 2024 | 235 | 127 | 4 | 0 | 44 | 115 |
| 2025 | 125 | 53 | 1 | 1 | 44 | 168 |
How does Camden County compare?
How Camden County compares
Good-day share worse than US avg
Camden County 69.4%
Atlantic County, New Jersey 79.6%
US average 76.5%
Median AQI worse than US avg
Camden County 44
Atlantic County, New Jersey 38
US average 38
Unhealthy days / yr worse than US avg
Camden County 1
Atlantic County, New Jersey 0
US average 0
Other Counties in New Jersey
Air quality comparison for nearby counties in New Jersey.
Counties with Similar Air Quality
Counties across the US with a similar median AQI to Camden County.
Baltimore County, Maryland
AQI 44 · 70.4% good
Baltimore (City) County, Maryland
AQI 44 · 68.7% good
Bartholomew County, Indiana
AQI 44 · 69.2% good
Berks County, Pennsylvania
AQI 44 · 65.6% good
Bolivar County, Mississippi
AQI 44 · 70.3% good
Brewster County, Texas
AQI 44 · 69.0% good
What Camden County's air means for you
On most days the air here is fine, but Ozone drives 1 unhealthy-or-worse day a year that sensitive groups should plan around.
- Sensitive groups (asthma, heart conditions, children, older adults) should check the AQI on high-Ozone days, the guide explains what a median of 44 means for exposure. Health guidance
- See how Camden County ranks against every monitored U.S. county on Good-day share. County rankings
- Compare Camden County with its New Jersey neighbours before drawing a conclusion about the region. All of New Jersey
Based on 180 EPA-monitored days in 2025; figures reflect only days the monitors reported. Source: EPA Air Quality System annual summaries.
More Air Quality Data
Air Quality Guides
Frequently Asked Questions
What is the air quality in Camden County, New Jersey? ▼
Camden County has a median Air Quality Index (AQI) of 44, rated "Good." 69.4% of monitored days (125 out of 180) had good air quality in 2025.
What is the main pollutant in Camden County? ▼
The primary pollutant in Camden County is Ozone (O3), which was the main AQI driver on 95 days (53% of monitored days). Can trigger asthma, reduce lung function, and cause chest pain.
How many unhealthy air days does Camden County have? ▼
In 2025, Camden County recorded 1 unhealthy air days (1 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 168.
Is the air quality in Camden County getting better or worse? ▼
Air quality in Camden County is improving based on 5-year trends (2020-2025). Best year: 2024 with 235 good days. Worst year: 2025 with 125 good days.
What does AQI 44 mean for health? ▼
Camden County's median AQI of 44 falls in the "Good" category. See the <a href="/guides/understanding-aqi" class="underline">AQI category guide</a> for what each range means for health.
How does Camden County compare to other counties in New Jersey? ▼
Camden County has 69.4% good air days. Nearby counties in New Jersey: Atlantic (79.6% good), Bergen (71.1% good), Cumberland (73.0% good), Gloucester (72.4% good), Hudson (74.7% good), Hunterdon (73.6% good).
What is the 90th percentile AQI in Camden County? ▼
The 90th percentile AQI for Camden County is 61, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 168 (Unhealthy).
Data Sources
Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by County dataset, 2020–2025 (aqs.epa.gov). For current conditions (not shown here — this page is historical annual data), see EPA AirNow (airnow.gov). See our methodology for how AQI, median, and coverage figures are computed.
Informational only, not professional advice. Data from EPA AQS. See our disclaimer.
Every figure on PlainAir is rendered directly from EPA AQS air-quality monitoring data, no number is typed in by an editor. This page draws directly on EPA AQS air-quality monitoring data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.