Pennsylvania · County air quality · 2025

Lackawanna County, Pennsylvania

Median AQI 36 (Good). 79.8% of monitored days rated Good, direct from EPA Air Quality System stations.

36
Median AQI
79.8%
Good-air days
0
Unhealthy days
52%
Cleaner than US counties

The verdict

According to EPA Air Quality System monitoring data, Lackawanna County's air is good on balance, cleaner than the median US county, a median AQI of 36 with 79.8% of 268 monitored days in the Good band, driven mainly by Ozone.

36
median AQI · Good
79.8%
days rated Good
Ozone
main pollutant
52%
cleaner than US counties

Not one day crossed into the Unhealthy tier; the worst single reading was AQI 90.

Data updated July 2026

Lackawanna 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 268 monitored days G M Median AQI 36 0 50 100 150 200 300 500 Lackawanna County
  • Good · 214 d · 79.9%
  • Moderate · 54 d · 20.1%

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

Across 268 monitored days, 214 fell in the Good band (AQI 0–50) and 0 reached Unhealthy or worse. The worst single day peaked at AQI 90 (Moderate).

EPA AQS →

Air quality data from EPA Air Quality System (2025). 268 days monitored. Median AQI: 36 (Good).

Insights: Lackawanna County, Pennsylvania. EPA monitors recorded a median Air Quality Index of 36 across 268 measured days in 2025, earning a Good classification and a Good health grade. Of those days, 214 (80%) fell in the Good band (AQI 0–50), 54 (20%) registered Moderate readings, and 0 (0%) reached Unhealthy for Sensitive Groups. The 90th-percentile AQI settled at 58, while the worst single-day peak hit 90 (Moderate). Residents averaged about 24.0 clean-air days per 30-day window during the monitoring year.

The full pollutant mix ranks as Ozone (139 days), PM2.5 (58 days), CO (56 days), NO2 (15 days). Across the 2020–2025 trend window, good days shifted by -81 and the median AQI moved -4 points, placing the multi-year trajectory at stable. The worst single reading over the 2020–2025 window was AQI 90, moderate but never Unhealthy. Nearby counties show comparable readings: Adams (73.8% good, AQI 42); Allegheny (51.6% good, AQI 49); Armstrong (68.1% good, AQI 42); Beaver (54.3% good, AQI 47); Berks (65.6% good, AQI 44); Blair (71.9% good, AQI 41).

Air Quality Summary

Median AQI

36

Good

Good Days

79.8%

214 of 268 monitored days

4.8pp vs 75% target

Max AQI Recorded

90

Moderate

Health Grade

Good

90th-pct AQI 58

Lackawanna County, Good days share 79.8%
National avg

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

Lackawanna County, Unhealthy-or-worse share 0.0%
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 268 monitored days across EPA AQI categories.

Good

214

80%

Moderate

54

20%

USG

0

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Pollutant Breakdown

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

Lackawanna County, Pennsylvania 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. Ozone · 51.9% PM2.5 · 21.6% CO · 20.9% 0% 25% 50% 75% 100% Lackawanna County, Pennsylvania · 268 monitored days Criteria pollutant column
  • Ozone · 139 days · 51.9%
  • PM2.5 · 58 days · 21.6%
  • CO · 56 days · 20.9%
  • NO₂ · 15 days · 5.6%
Ozone (O3) 139 days (52%)

How Ozone affects health →

Fine Particles (PM2.5) 58 days (22%)

How PM2.5 affects health →

Carbon Monoxide (CO) 56 days (21%)

How CO affects health →

Nitrogen Dioxide (NO2) 15 days (6%)

How NO2 affects health →

Health Impact Assessment

Good

Lackawanna County's air quality is rated Good based on 79.8% good air days. No unhealthy air days were recorded in 2025.

Air quality was acceptable on 79.8% of monitored days in 2025, with a median AQI of 36. Unusually sensitive people can check real-time conditions at AirNow.gov during high-pollution events.

The dominant pollutant is Ozone, driving AQI on 139 of 268 monitored days.

5-Year Air Quality Trend

Air quality is stable in Lackawanna County. Best year: 2020 (295 good days).

Year Good Moderate USG Unhealthy Median AQI
2020 295 71 0 0 40
2021 252 100 1 0 40
2022 259 104 0 0 43
2023 230 127 3 4 44
2024 265 101 0 0 40
2025 214 54 0 0 36

How does Lackawanna County compare?

How Lackawanna County compares

Good-day share better than US avg
Lackawanna County 79.8%
Adams County, Pennsylvania 73.8%
US average 76.5%
Median AQI better than US avg
Lackawanna County 36
Adams County, Pennsylvania 42
US average 38
Unhealthy days / yr about average
Lackawanna County 0
Adams County, Pennsylvania 0
US average 0

Other Counties in Pennsylvania

Air quality comparison for nearby counties in Pennsylvania.

Counties with Similar Air Quality

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

What Lackawanna County's air means for you

The air here stays in the breathable range year-round, with Ozone the main thing to watch.

  • Sensitive groups (asthma, heart conditions, children, older adults) should check the AQI on high-Ozone days, the guide explains what a median of 36 means for exposure. Health guidance
  • See how Lackawanna County ranks against every monitored U.S. county on Good-day share. County rankings
  • Compare Lackawanna County with its Pennsylvania neighbours before drawing a conclusion about the region. All of Pennsylvania

Based on 268 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 Lackawanna County, Pennsylvania?
Lackawanna County has a median Air Quality Index (AQI) of 36, rated "Good." 79.8% of monitored days (214 out of 268) had good air quality in 2025.
What is the main pollutant in Lackawanna County?
The primary pollutant in Lackawanna County is Ozone (O3), which was the main AQI driver on 139 days (52% of monitored days). Can trigger asthma, reduce lung function, and cause chest pain.
How many unhealthy air days does Lackawanna County have?
In 2025, Lackawanna County recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 90.
Is the air quality in Lackawanna County getting better or worse?
Air quality in Lackawanna County is stable based on 5-year trends (2020-2025). Best year: 2020 with 295 good days. Worst year: 2025 with 214 good days.
What does AQI 36 mean for health?
Lackawanna County's median AQI of 36 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 Lackawanna County compare to other counties in Pennsylvania?
Lackawanna County has 79.8% good air days. Nearby counties in Pennsylvania: Adams (73.8% good), Allegheny (51.6% good), Armstrong (68.1% good), Beaver (54.3% good), Berks (65.6% good), Blair (71.9% good).
What is the 90th percentile AQI in Lackawanna County?
The 90th percentile AQI for Lackawanna County is 58, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 90 (Moderate).

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.