New York · County air quality · 2025

Queens County, New York

Median AQI 44 (Good). 65.9% of monitored days rated Good, direct from EPA Air Quality System stations.

44
Median AQI
65.9%
Good-air days
1
Unhealthy days
24%
Cleaner than US counties

The verdict

According to EPA Air Quality System monitoring data, Queens County's air is good on balance, among the more polluted 10% of US counties, a median AQI of 44 with 65.9% of 317 monitored days in the Good band, driven mainly by PM2.5.

44
median AQI · Good
65.9%
days rated Good
PM2.5
main pollutant
24%
cleaner than US counties

1 day reached Unhealthy or worse; the worst single reading hit AQI 154.

Data updated July 2026

Queens County AQI category distribution Stacked-segment bar showing the share of monitored days that fell in each EPA AQI category, Good, Moderate, USG, Unhealthy, Very Unhealthy, Hazardous, with median AQI marker. AQI category distribution 317 monitored days G M Median AQI 44 0 50 100 150 200 300 500 Queens County
  • Good · 209 d · 65.9%
  • Moderate · 102 d · 32.2%
  • USG · 5 d · 1.6%
  • Unhealthy · 1 d · 0.3%

How did Queens County's air break down in 2025?

Across 317 monitored days, 209 fell in the Good band (AQI 0–50) and 1 reached Unhealthy or worse. The worst single day peaked at AQI 154 (Unhealthy).

EPA AQS →

Air quality data from EPA Air Quality System (2025). 317 days monitored. Median AQI: 44 (Good).

Insights: Queens County, New York. EPA monitors recorded a median Air Quality Index of 44 across 317 measured days in 2025, earning a Good classification and a Moderate health grade. Of those days, 209 (66%) fell in the Good band (AQI 0–50), 102 (32%) registered Moderate readings, and 5 (2%) reached Unhealthy for Sensitive Groups. The 90th-percentile AQI settled at 64, while the worst single-day peak hit 154 (Unhealthy). Residents averaged about 19.8 clean-air days per 30-day window during the monitoring year.

The full pollutant mix ranks as PM2.5 (128 days), Ozone (120 days), CO (44 days), NO2 (25 days). Across the 2020–2025 trend window, good days shifted by -49 and the median AQI moved +1 points, placing the multi-year trajectory at worsening. Residents and visitors experienced 1 unhealthy-or-worse days combined, periods when the EPA recommends sensitive groups limit prolonged outdoor exertion. Nearby counties show comparable readings: Albany (67.4% good, AQI 39); Bronx (56.6% good, AQI 47); Chautauqua (88.6% good, AQI 39); Dutchess (92.7% good, AQI 37); Erie (61.3% good, AQI 44); Essex (79.8% good, AQI 42).

Air Quality Summary

Median AQI

44

Good

Good Days

65.9%

209 of 317 monitored days

-9.1pp vs 75% target

Max AQI Recorded

154

Unhealthy

Health Grade

Moderate

90th-pct AQI 64

Queens County, Good days share 65.9%
National avg

Share of monitored days at AQI 0-50 (Good band).

Queens County, Unhealthy-or-worse share 0.3%
National avg

Share of monitored days above AQI 150 (Unhealthy or worse). Bar maxes at 10% (worst-county ceiling).

AQI Day Breakdown (2025)

Distribution of 317 monitored days across EPA AQI categories.

Good

209

66%

Moderate

102

32%

USG

5

2%

Unhealthy

1

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Pollutant Breakdown

Days where each pollutant was the primary driver of AQI readings in Queens County.

Queens County, New York criteria pollutant distribution Stratified-band visualization showing the share of monitored days each criteria pollutant (PM2.5, PM10, O3, NO2, CO) was the primary AQI driver. PM2.5 · 40.4% Ozone · 37.9% CO · 13.9% 0% 25% 50% 75% 100% Queens County, New York · 317 monitored days Criteria pollutant column
  • PM2.5 · 128 days · 40.4%
  • Ozone · 120 days · 37.9%
  • CO · 44 days · 13.9%
  • NO₂ · 25 days · 7.9%
Fine Particles (PM2.5) 128 days (40%)

How PM2.5 affects health →

Ozone (O3) 120 days (38%)

How Ozone affects health →

Carbon Monoxide (CO) 44 days (14%)

How CO affects health →

Nitrogen Dioxide (NO2) 25 days (8%)

How NO2 affects health →

Health Impact Assessment

Moderate

Queens County's air quality is rated Moderate based on 65.9% good air days. There were 1 unhealthy days in 2025 when outdoor activity should be limited.

Air quality is acceptable most days, but 5 days reached "Unhealthy for Sensitive Groups" (AQI 101-150) and peak AQI reached 154. Sensitive groups should monitor real-time conditions at AirNow.gov.

The dominant pollutant is PM2.5, driving AQI on 128 of 317 monitored days.

5-Year Air Quality Trend

Air quality is worsening in Queens County. Best year: 2020 (258 good days).

Year Good Moderate USG Unhealthy Median AQI
2020 258 105 3 0 43
2021 215 141 8 1 47
2022 203 159 3 0 47
2023 188 165 7 4 50
2024 224 140 2 0 45
2025 209 102 5 1 44

How does Queens County compare?

How Queens County compares

Good-day share worse than US avg
Queens County 65.9%
Albany County, New York 67.4%
US average 76.5%
Median AQI worse than US avg
Queens County 44
Albany County, New York 39
US average 38
Unhealthy days / yr worse than US avg
Queens County 1
Albany County, New York 0
US average 0

Other Counties in New York

Air quality comparison for nearby counties in New York.

Counties with Similar Air Quality

Counties across the US with a similar median AQI to Queens County.

What Queens County's air means for you

On most days the air here is fine, but PM2.5 drives 1 unhealthy-or-worse day a year that sensitive groups should plan around.

  • Sensitive groups (asthma, heart conditions, children, older adults) should check the AQI on high-PM2.5 days, the guide explains what a median of 44 means for exposure. Health guidance
  • See how Queens County ranks against every monitored U.S. county on Good-day share. County rankings
  • Compare Queens County with its New York neighbours before drawing a conclusion about the region. All of New York

Based on 317 EPA-monitored days in 2025; figures reflect only days the monitors reported. Source: EPA Air Quality System annual summaries.

More Air Quality Data

Air Quality Guides

Frequently Asked Questions

What is the air quality in Queens County, New York?
Queens County has a median Air Quality Index (AQI) of 44, rated "Good." 65.9% of monitored days (209 out of 317) had good air quality in 2025.
What is the main pollutant in Queens County?
The primary pollutant in Queens County is Fine Particles (PM2.5), which was the main AQI driver on 128 days (40% of monitored days). Penetrates deep into lungs and bloodstream. Linked to heart disease and premature death.
How many unhealthy air days does Queens County have?
In 2025, Queens County recorded 1 unhealthy air days (1 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 154.
Is the air quality in Queens County getting better or worse?
Air quality in Queens County is worsening based on 5-year trends (2020-2025). Best year: 2020 with 258 good days. Worst year: 2023 with 188 good days.
What does AQI 44 mean for health?
Queens County's median AQI of 44 falls in the "Good" category. See the <a href="/guides/understanding-aqi" class="underline">AQI category guide</a> for what each range means for health.
How does Queens County compare to other counties in New York?
Queens County has 65.9% good air days. Nearby counties in New York: Albany (67.4% good), Bronx (56.6% good), Chautauqua (88.6% good), Dutchess (92.7% good), Erie (61.3% good), Essex (79.8% good).
What is the 90th percentile AQI in Queens County?
The 90th percentile AQI for Queens County is 64, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 154 (Unhealthy).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by County dataset, 2020–2025 (aqs.epa.gov). For current conditions (not shown here — this page is historical annual data), see EPA AirNow (airnow.gov). See our methodology for how AQI, median, and coverage figures are computed.

Informational only, not professional advice. Data from EPA AQS. See our disclaimer.

Every figure on PlainAir is rendered directly from EPA AQS air-quality monitoring data, no number is typed in by an editor. This page draws directly on EPA AQS air-quality monitoring data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.