Scranton Air Quality in 2025

In 2025, Scranton's air quality (Scranton--Wilkes-Barre--Hazleton, PA area) had a median daily AQI of 40 (Good) across 365 monitored days. 3 days (0.8%) reached Unhealthy for Sensitive Groups or worse, 264 were Good, and the year's peak AQI was 117 (Unhealthy for Sensitive Groups). Ground-level ozone set the daily AQI on 220 of those days. The cleanest month of 2025 was October (median AQI 31, 0 days above 100) and the worst was August (median 47, 3 days above 100, peak 117).

40
Median AQI
Good
3
Days above AQI 100
0.8% of 365 days
61
90th percentile AQI
worst 1 day in 10
117
Peak AQI
Unhealthy for Sensitive Groups
O3
Main pollutant
220 of 365 days
264
Good days
72.3% of days
  • Good: 72.3%
  • Moderate: 26.8%
  • Unhealthy for Sensitive Groups: 0.8%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How was Scranton's air quality in 2025?

Good on a typical day: median AQI 40, with 3 days above AQI 100 out of 365 monitored — the 6th cleanest of 7 years on record for the area.

  • Peak AQI in 2025: 117 (Unhealthy for Sensitive Groups).
  • Ground-level ozone was the main pollutant on 220 days.
  • Cleanest month: October; worst: August.

Frequently asked questions

What was the average AQI in Scranton in 2025?

EPA's Air Quality System puts Scranton's (Scranton--Wilkes-Barre--Hazleton, PA) median daily AQI for 2025 at 40, which is Good. 3 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 117.

Which month had the worst air quality in Scranton in 2025?

The cleanest month of 2025 was October (median AQI 31, 0 days above 100) and the worst was August (median 47, 3 days above 100, peak 117).

Was 2025 a good or bad year for Scranton's air?

Among the 7 years EPA has published for the area (2019–2025), 2025 ranks 6th cleanest by days above AQI 100. 2025's median of 40 is in line with the area's typical annual median of 41.

Scranton month by month in 2025

Scranton air quality month by month, 2025 (Scranton--Wilkes-Barre--Hazleton, PA, EPA AQS daily AQI)

MonthDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
January3135069O3
February2837063PM2.5
March3140060O3
April3042084O3
May3134090O3
June3047087O3
July3148062PM2.5
Augustworst31473117O3
September3043061O3
Octobercleanest3131067O3
November3036076O3
December3137065PM2.5

How 2025 compares

Among the 7 years EPA has published for the area (2019–2025), 2025 ranks 6th cleanest by days above AQI 100.

2025's median of 40 is in line with the area's typical annual median of 41.

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

Right now in Scranton

The latest EPA AirNow observation puts Scranton's AQI at 42 (PM2.5). The figures above are multi-year annual statistics, not today's reading.

View current Scranton air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Scranton--Wilkes-Barre--Hazleton, 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.