Scranton Air Quality in 2019

In 2019, Scranton's air quality (Scranton--Wilkes-Barre--Hazleton, PA area) had a median daily AQI of 39 (Good) across 365 monitored days. 0 days (0.0%) reached Unhealthy for Sensitive Groups or worse, 306 were Good, and the year's peak AQI was 87 (Moderate). Ground-level ozone set the daily AQI on 243 of those days. The cleanest month of 2019 was October (median AQI 32, 0 days above 100) and the worst was June (median 44, 0 days above 100, peak 77).

39
Median AQI
Good
0
Days above AQI 100
0.0% of 365 days
54
90th percentile AQI
worst 1 day in 10
87
Peak AQI
Moderate
O3
Main pollutant
243 of 365 days
306
Good days
83.8% of days
  • Good: 83.8%
  • Moderate: 16.2%
  • Unhealthy for Sensitive Groups: 0.0%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How was Scranton's air quality in 2019?

Good on a typical day: median AQI 39, with 0 days above AQI 100 out of 365 monitored — the 1st cleanest of 7 years on record for the area.

  • Peak AQI in 2019: 87 (Moderate).
  • Ground-level ozone was the main pollutant on 243 days.
  • Cleanest month: October; worst: June.

Frequently asked questions

What was the average AQI in Scranton in 2019?

EPA's Air Quality System puts Scranton's (Scranton--Wilkes-Barre--Hazleton, PA) median daily AQI for 2019 at 39, which is Good. 0 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 87.

Which month had the worst air quality in Scranton in 2019?

The cleanest month of 2019 was October (median AQI 32, 0 days above 100) and the worst was June (median 44, 0 days above 100, peak 77).

Was 2019 a good or bad year for Scranton's air?

Among the 7 years EPA has published for the area (2019–2025), 2019 ranks 1st cleanest by days above AQI 100 — the best year on record here. 2019's median of 39 is in line with the area's typical annual median of 41.

Scranton month by month in 2019

Scranton air quality month by month, 2019 (Scranton--Wilkes-Barre--Hazleton, PA, EPA AQS daily AQI)

MonthDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
January3135051O3
February2839071O3
March3143080O3
April3043061O3
May3140057O3
Juneworst3044077O3
July3141064O3
August3143077O3
September3037077O3
Octobercleanest3132051O3
November3035064PM2.5
December3139087PM2.5

How 2019 compares

Among the 7 years EPA has published for the area (2019–2025), 2019 ranks 1st cleanest by days above AQI 100 — the best year on record here.

2019's median of 39 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 31 (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.