Jersey City Air Quality in March

Across 2019–2025, Jersey City's March air quality had a median AQI of 52 (Moderate) over 217 monitored days in the New York-Newark-Jersey City, NY-NJ-PA area. 0.0% of March days (0 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 58.5% of days. The cleanest March on record here was 2024 (median AQI 46, 0 days above 100) and the worst was 2019 (median 57, 0 days above 100, peak AQI 100).

52
Median AQI
Moderate
0.0%
Days above AQI 100
0 of 217 days
69
90th percentile AQI
worst 1 day in 10
100
Peak AQI
Moderate
PM2.5
Main pollutant
58.5% of days
48.4%
Good days
105 of 217
  • Good: 48.4%
  • Moderate: 51.6%
  • Unhealthy for Sensitive Groups: 0.0%
  • Unhealthy or worse: 0.0%

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 MightyTrue HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft

Check Price on Amazon →

As an Amazon Associate, we earn from qualifying purchases.

QUICK ANSWER

How is the air in Jersey City in March?

Moderate on a typical day: median AQI 52 across 2019–2025, with 0.0% of March days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • 48.4% of March days were Good (AQI 0–50), 51.6% Moderate (51–100).
  • 0 days of 217 reached AQI 101+; the March peak was 100.
  • Best March: 2024; worst March: 2019.

Frequently asked questions

What is the air quality like in Jersey City in March?

Across 2019–2025, the median daily AQI in Jersey City in March was 52 (Moderate). 48.4% of days were Good, 51.6% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.

Is March a good time for outdoor exercise in Jersey City?

A typical March day in Jersey City is Moderate (median AQI 52): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of March days 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 March air quality problems?

Fine particulate matter (PM2.5) set the daily AQI on 58.5% of March days in Jersey City. The highest March AQI recorded in 2019–2025 was 100 (Moderate), in 2019.

Jersey City March air quality, year by year

Jersey City March air quality by year (New York-Newark-Jersey City, NY-NJ-PA, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
2019worst31570100PM2.5
20203147067PM2.5
20213156085PM2.5
20223153083PM2.5
20233153073PM2.5
2024cleanest3146079PM2.5
20253148071PM2.5

What March air means in Jersey City

A typical March day in Jersey City is Moderate (median AQI 52): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of March days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

March's median AQI of 52 is in line with Jersey City's whole-year median of 54, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median March AQI across every EPA metro area (102,455 metro-days, 2019–2025) is 42, so Jersey City runs above the national March norm; 0.0% of its March days topped AQI 100 versus 0.4% nationally (about the same).

March is part of Jersey City's spring season (March, April, May); the spring 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.