Raleigh Air Quality in 2022

In 2022, Raleigh's air quality (Raleigh, NC area) had a median daily AQI of 48 (Good) across 365 monitored days. 1 day (0.3%) reached Unhealthy for Sensitive Groups or worse, 211 were Good, and the year's peak AQI was 140 (Unhealthy for Sensitive Groups). Fine particulate matter (PM2.5) set the daily AQI on 220 of those days. The cleanest month of 2022 was November (median AQI 38, 0 days above 100) and the worst was June (median 54, 1 day above 100, peak 140).

48
Median AQI
Good
1
Days above AQI 100
0.3% of 365 days
60
90th percentile AQI
worst 1 day in 10
140
Peak AQI
Unhealthy for Sensitive Groups
PM2.5
Main pollutant
220 of 365 days
211
Good days
57.8% of days
  • Good: 57.8%
  • Moderate: 41.9%
  • Unhealthy for Sensitive Groups: 0.3%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How was Raleigh's air quality in 2022?

Good on a typical day: median AQI 48, with 1 day above AQI 100 out of 365 monitored — the 6th cleanest of 7 years on record for the area.

  • Peak AQI in 2022: 140 (Unhealthy for Sensitive Groups).
  • Fine particulate matter (PM2.5) was the main pollutant on 220 days.
  • Cleanest month: November; worst: June.

Frequently asked questions

What was the average AQI in Raleigh in 2022?

EPA's Air Quality System puts Raleigh's (Raleigh, NC) median daily AQI for 2022 at 48, which is Good. 1 day were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 140.

Which month had the worst air quality in Raleigh in 2022?

The cleanest month of 2022 was November (median AQI 38, 0 days above 100) and the worst was June (median 54, 1 day above 100, peak 140).

Was 2022 a good or bad year for Raleigh's air?

Among the 7 years EPA has published for the area (2019–2025), 2022 ranks 6th cleanest by days above AQI 100. 2022's median of 48 is in line with the area's typical annual median of 48.

Raleigh month by month in 2022

Raleigh air quality month by month, 2022 (Raleigh, NC, EPA AQS daily AQI)

MonthDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
January3144071PM2.5
February2850081PM2.5
March3148064PM2.5
April3047061O3
May3154084PM2.5
Juneworst30541140O3
July3152077PM2.5
August3142060PM2.5
September3042074O3
October3147061PM2.5
Novembercleanest3038066PM2.5
December3152075PM2.5

How 2022 compares

Among the 7 years EPA has published for the area (2019–2025), 2022 ranks 6th cleanest by days above AQI 100.

2022's median of 48 is in line with the area's typical annual median of 48.

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

Right now in Raleigh

The latest EPA AirNow observation puts Raleigh's AQI at 41 (PM2.5). The figures above are multi-year annual statistics, not today's reading.

View current Raleigh air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Raleigh, NC), 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.