Atlantic City Air Quality in 2019
In 2019, Atlantic City's air quality (Atlantic City-Hammonton, NJ area) had a median daily AQI of 42 (Good) across 365 monitored days. 1 day (0.3%) reached Unhealthy for Sensitive Groups or worse, 270 were Good, and the year's peak AQI was 105 (Unhealthy for Sensitive Groups). Fine particulate matter (PM2.5) set the daily AQI on 187 of those days. The cleanest month of 2019 was January (median AQI 32, 0 days above 100) and the worst was June (median 50, 1 day above 100, peak 105).
- Good: 74.0%
- Moderate: 25.8%
- Unhealthy for Sensitive Groups: 0.3%
- Unhealthy or worse: 0.0%
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
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How was Atlantic City's air quality in 2019?
Good on a typical day: median AQI 42, with 1 day above AQI 100 out of 365 monitored — the 6th cleanest of 7 years on record for the area.
- ✓Peak AQI in 2019: 105 (Unhealthy for Sensitive Groups).
- ✓Fine particulate matter (PM2.5) was the main pollutant on 187 days.
- ✓Cleanest month: January; worst: June.
Frequently asked questions
What was the average AQI in Atlantic City in 2019?▾
EPA's Air Quality System puts Atlantic City's (Atlantic City-Hammonton, NJ) median daily AQI for 2019 at 42, which is Good. 1 day were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 105.
Which month had the worst air quality in Atlantic City in 2019?▾
The cleanest month of 2019 was January (median AQI 32, 0 days above 100) and the worst was June (median 50, 1 day above 100, peak 105).
Was 2019 a good or bad year for Atlantic City's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2019 ranks 6th cleanest by days above AQI 100. 2019's median of 42 is above the area's typical annual median of 37.
Atlantic City month by month in 2019
Atlantic City air quality month by month, 2019 (Atlantic City-Hammonton, NJ, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| Januarycleanest | 31 | 32 | 0 | 63 | PM2.5 |
| February | 28 | 36 | 0 | 70 | PM2.5 |
| March | 31 | 44 | 0 | 66 | O3 |
| April | 30 | 43 | 0 | 58 | O3 |
| May | 31 | 42 | 0 | 58 | O3 |
| Juneworst | 30 | 50 | 1 | 105 | PM2.5 |
| July | 31 | 51 | 0 | 65 | PM2.5 |
| August | 31 | 43 | 0 | 84 | PM2.5 |
| September | 30 | 37 | 0 | 52 | O3 |
| October | 31 | 32 | 0 | 55 | O3 |
| November | 30 | 42 | 0 | 58 | PM2.5 |
| December | 31 | 36 | 0 | 74 | PM2.5 |
How 2019 compares
Among the 7 years EPA has published for the area (2019–2025), 2019 ranks 6th cleanest by days above AQI 100.
2019's median of 42 is above 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.