Scranton Air Quality in 2020

In 2020, Scranton's air quality (Scranton--Wilkes-Barre--Hazleton, PA area) had a median daily AQI of 41 (Good) across 366 monitored days. 0 days (0.0%) reached Unhealthy for Sensitive Groups or worse, 287 were Good, and the year's peak AQI was 83 (Moderate). Ground-level ozone set the daily AQI on 192 of those days. The cleanest month of 2020 was September (median AQI 34, 0 days above 100) and the worst was February (median 49, 0 days above 100, peak 72).

41
Median AQI
Good
0
Days above AQI 100
0.0% of 366 days
55
90th percentile AQI
worst 1 day in 10
83
Peak AQI
Moderate
O3
Main pollutant
192 of 366 days
287
Good days
78.4% of days
  • Good: 78.4%
  • Moderate: 21.6%
  • Unhealthy for Sensitive Groups: 0.0%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How was Scranton's air quality in 2020?

Good on a typical day: median AQI 41, with 0 days above AQI 100 out of 366 monitored — the 3rd cleanest of 7 years on record for the area.

  • Peak AQI in 2020: 83 (Moderate).
  • Ground-level ozone was the main pollutant on 192 days.
  • Cleanest month: September; worst: February.

Frequently asked questions

What was the average AQI in Scranton in 2020?

EPA's Air Quality System puts Scranton's (Scranton--Wilkes-Barre--Hazleton, PA) median daily AQI for 2020 at 41, which is Good. 0 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 83.

Which month had the worst air quality in Scranton in 2020?

The cleanest month of 2020 was September (median AQI 34, 0 days above 100) and the worst was February (median 49, 0 days above 100, peak 72).

Was 2020 a good or bad year for Scranton's air?

Among the 7 years EPA has published for the area (2019–2025), 2020 ranks 3rd cleanest by days above AQI 100. 2020's median of 41 is in line with the area's typical annual median of 41.

Scranton month by month in 2020

Scranton air quality month by month, 2020 (Scranton--Wilkes-Barre--Hazleton, PA, EPA AQS daily AQI)

MonthDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
January3139072PM2.5
Februaryworst2949072PM2.5
March3140054O3
April3043054O3
May3142067O3
June3042057O3
July3145068O3
August3144058O3
Septembercleanest3034062O3
October3135055PM2.5
November3046069PM2.5
December3143083PM2.5

How 2020 compares

Among the 7 years EPA has published for the area (2019–2025), 2020 ranks 3rd cleanest by days above AQI 100.

2020's median of 41 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.