Atlantic City Air Quality in 2023
In 2023, Atlantic City's air quality (Atlantic City-Hammonton, NJ area) had a median daily AQI of 38 (Good) across 365 monitored days. 5 days (1.4%) reached Unhealthy for Sensitive Groups or worse, 270 were Good, and the year's peak AQI was 265 (Very Unhealthy). Fine particulate matter (PM2.5) set the daily AQI on 223 of those days. The cleanest month of 2023 was January (median AQI 30, 0 days above 100) and the worst was June (median 56, 5 days above 100, peak 265).
- Good: 74.0%
- Moderate: 24.7%
- Unhealthy for Sensitive Groups: 0.8%
- Unhealthy or worse: 0.5%
Extra Protection for Atlantic City Homes
Air quality in Atlantic City is moderate (AQI 51), with fine particles (PM2.5) the main concern. A True-HEPA purifier gives sensitive groups — kids, seniors and anyone with asthma or allergies — cleaner air indoors on days like today.
Recommended: Coway AP-1512HH Mighty — True HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft
As an Amazon Associate, we earn from qualifying purchases.
How was Atlantic City's air quality in 2023?
Good on a typical day: median AQI 38, with 5 days above AQI 100 out of 365 monitored — the 7th cleanest of 7 years on record for the area.
- ✓Peak AQI in 2023: 265 (Very Unhealthy).
- ✓Fine particulate matter (PM2.5) was the main pollutant on 223 days.
- ✓Cleanest month: January; worst: June.
Frequently asked questions
What was the average AQI in Atlantic City in 2023?▾
EPA's Air Quality System puts Atlantic City's (Atlantic City-Hammonton, NJ) median daily AQI for 2023 at 38, which is Good. 5 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 265.
Which month had the worst air quality in Atlantic City in 2023?▾
The cleanest month of 2023 was January (median AQI 30, 0 days above 100) and the worst was June (median 56, 5 days above 100, peak 265).
Was 2023 a good or bad year for Atlantic City's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2023 ranks 7th cleanest by days above AQI 100 — the worst year on record here. 2023's median of 38 is in line with the area's typical annual median of 37.
Atlantic City month by month in 2023
Atlantic City air quality month by month, 2023 (Atlantic City-Hammonton, NJ, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| Januarycleanest | 31 | 30 | 0 | 57 | PM2.5 |
| February | 28 | 35 | 0 | 61 | PM2.5 |
| March | 31 | 36 | 0 | 60 | O3 |
| April | 30 | 39 | 0 | 57 | O3 |
| May | 31 | 37 | 0 | 63 | O3 |
| Juneworst | 30 | 56 | 5 | 265 | PM2.5 |
| July | 31 | 54 | 0 | 86 | PM2.5 |
| August | 31 | 47 | 0 | 69 | PM2.5 |
| September | 30 | 39 | 0 | 90 | O3 |
| October | 31 | 32 | 0 | 64 | PM2.5 |
| November | 30 | 31 | 0 | 61 | PM2.5 |
| December | 31 | 31 | 0 | 56 | PM2.5 |
How 2023 compares
Among the 7 years EPA has published for the area (2019–2025), 2023 ranks 7th cleanest by days above AQI 100 — the worst year on record here.
2023's median of 38 is in line with the area's typical annual median of 37.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Atlantic City
The latest EPA AirNow observation puts Atlantic City's AQI at 51 (PM2.5). The figures above are multi-year annual statistics, not today's reading.
View current Atlantic City air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Atlantic City-Hammonton, NJ), 2019–2025. Daily AQI per CBSA is the highest AQI reported by any monitor in the area that day; the defining parameter is the pollutant that set it. Month and season statistics pool every such day in the period across all years listed. Retrieved 2026-09-09.