Yonkers Air Quality in 2024

In 2024, Yonkers's air quality (New York-Newark-Jersey City, NY-NJ-PA area) had a median daily AQI of 52 (Moderate) across 366 monitored days. 24 days (6.6%) reached Unhealthy for Sensitive Groups or worse, 164 were Good, and the year's peak AQI was 156 (Unhealthy). Fine particulate matter (PM2.5) set the daily AQI on 193 of those days. The cleanest month of 2024 was March (median AQI 46, 0 days above 100) and the worst was June (median 72, 9 days above 100, peak 156).

52
Median AQI
Moderate
24
Days above AQI 100
6.6% of 366 days
93
90th percentile AQI
worst 1 day in 10
156
Peak AQI
Unhealthy
PM2.5
Main pollutant
193 of 366 days
164
Good days
44.8% of days
  • Good: 44.8%
  • Moderate: 48.6%
  • Unhealthy for Sensitive Groups: 5.7%
  • Unhealthy or worse: 0.8%

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QUICK ANSWER

How was Yonkers's air quality in 2024?

Moderate on a typical day: median AQI 52, with 24 days above AQI 100 out of 366 monitored — the 5th cleanest of 7 years on record for the area.

  • Peak AQI in 2024: 156 (Unhealthy).
  • Fine particulate matter (PM2.5) was the main pollutant on 193 days.
  • Cleanest month: March; worst: June.

Frequently asked questions

What was the average AQI in Yonkers in 2024?

EPA's Air Quality System puts Yonkers's (New York-Newark-Jersey City, NY-NJ-PA) median daily AQI for 2024 at 52, which is Moderate. 24 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 156.

Which month had the worst air quality in Yonkers in 2024?

The cleanest month of 2024 was March (median AQI 46, 0 days above 100) and the worst was June (median 72, 9 days above 100, peak 156).

Was 2024 a good or bad year for Yonkers's air?

Among the 7 years EPA has published for the area (2019–2025), 2024 ranks 5th cleanest by days above AQI 100. 2024's median of 52 is in line with the area's typical annual median of 54.

Yonkers month by month in 2024

Yonkers air quality month by month, 2024 (New York-Newark-Jersey City, NY-NJ-PA, EPA AQS daily AQI)

MonthDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
January3155089PM2.5
February2953097PM2.5
Marchcleanest3146079PM2.5
April3052098O3
May31491133O3
Juneworst30729156O3
July31779143O3
August31664136O3
September30471108O3
October3147084PM2.5
November3051098PM2.5
December3148082PM2.5

How 2024 compares

Among the 7 years EPA has published for the area (2019–2025), 2024 ranks 5th cleanest by days above AQI 100.

2024's median of 52 is in line with the area's typical annual median of 54.

Activity-specific thresholds: running, cycling, kids' sports.

Right now in Yonkers

The latest EPA AirNow observation puts Yonkers's AQI at 45 (PM2.5). The figures above are multi-year annual statistics, not today's reading.

View current Yonkers 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.