Jersey City Air Quality in July
Across 2019–2025, Jersey City's July air quality had a median AQI of 80 (Moderate) over 217 monitored days in the New York-Newark-Jersey City, NY-NJ-PA area. 26.3% of July days (57 of 217) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 65.0% of days. The cleanest July on record here was 2022 (median AQI 74, 6 days above 100) and the worst was 2023 (median 88, 11 days above 100, peak AQI 165).
- Good: 11.1%
- Moderate: 62.7%
- Unhealthy for Sensitive Groups: 24.0%
- Unhealthy or worse: 2.3%
Extra Protection for Jersey City Homes
Air quality in Jersey City is moderate (AQI 52), 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 is the air in Jersey City in July?
Moderate on a typical day: median AQI 80 across 2019–2025, with 26.3% of July days above AQI 100. Ground-level ozone is the main driver.
- ✓11.1% of July days were Good (AQI 0–50), 62.7% Moderate (51–100).
- ✓57 days of 217 reached AQI 101+; the July peak was 165.
- ✓Best July: 2022; worst July: 2023.
Frequently asked questions
What is the air quality like in Jersey City in July?▾
Across 2019–2025, the median daily AQI in Jersey City in July was 80 (Moderate). 11.1% of days were Good, 62.7% Moderate, and 26.3% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.
Is July a good time for outdoor exercise in Jersey City?▾
A typical July day in Jersey City is Moderate (median AQI 80): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 4 of July days (26.3%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes Jersey City's July air quality problems?▾
Ground-level ozone set the daily AQI on 65.0% of July days in Jersey City. The highest July AQI recorded in 2019–2025 was 165 (Unhealthy), in 2023.
Jersey City July air quality, year by year
Jersey City July air quality by year (New York-Newark-Jersey City, NY-NJ-PA, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 31 | 90 | 10 | 150 | O3 |
| 2020 | 31 | 80 | 6 | 140 | O3 |
| 2021 | 31 | 65 | 7 | 156 | PM2.5 |
| 2022cleanest | 31 | 74 | 6 | 161 | O3 |
| 2023worst | 31 | 88 | 11 | 165 | O3 |
| 2024 | 31 | 77 | 9 | 143 | O3 |
| 2025 | 31 | 80 | 8 | 154 | O3 |
What July air means in Jersey City
A typical July day in Jersey City is Moderate (median AQI 80): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 4 of July days (26.3%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
July's median AQI of 80 is above Jersey City's whole-year median of 54, making it one of the area's dirtier periods. Nationally, the median July AQI across every EPA metro area (103,858 metro-days, 2019–2025) is 47, so Jersey City runs above the national July norm; 26.3% of its July days topped AQI 100 versus 3.6% nationally (above average).
July is part of Jersey City's summer season (June, July, August); the summer page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Jersey City
The latest EPA AirNow observation puts Jersey City's AQI at 52 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Jersey City air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (New York-Newark-Jersey City, NY-NJ-PA), 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.