Omaha Air Quality in 2023

In 2023, Omaha's air quality (Omaha-Council Bluffs, NE-IA area) had a median daily AQI of 50 (Good) across 365 monitored days. 25 days (6.8%) reached Unhealthy for Sensitive Groups or worse, 184 were Good, and the year's peak AQI was 169 (Unhealthy). Ground-level ozone set the daily AQI on 176 of those days. The cleanest month of 2023 was December (median AQI 33, 0 days above 100) and the worst was June (median 100, 14 days above 100, peak 169).

50
Median AQI
Good
25
Days above AQI 100
6.8% of 365 days
97
90th percentile AQI
worst 1 day in 10
169
Peak AQI
Unhealthy
O3
Main pollutant
176 of 365 days
184
Good days
50.4% of days
  • Good: 50.4%
  • Moderate: 42.7%
  • Unhealthy for Sensitive Groups: 6.3%
  • Unhealthy or worse: 0.5%

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QUICK ANSWER

How was Omaha's air quality in 2023?

Good on a typical day: median AQI 50, with 25 days above AQI 100 out of 365 monitored — the 7th cleanest of 7 years on record for the area.

  • Peak AQI in 2023: 169 (Unhealthy).
  • Ground-level ozone was the main pollutant on 176 days.
  • Cleanest month: December; worst: June.

Frequently asked questions

What was the average AQI in Omaha in 2023?

EPA's Air Quality System puts Omaha's (Omaha-Council Bluffs, NE-IA) median daily AQI for 2023 at 50, which is Good. 25 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 169.

Which month had the worst air quality in Omaha in 2023?

The cleanest month of 2023 was December (median AQI 33, 0 days above 100) and the worst was June (median 100, 14 days above 100, peak 169).

Was 2023 a good or bad year for Omaha's air?

Among the 7 years EPA has published for the area (2019–2025), 2023 ranks 7th cleanest by days above AQI 100 — the worst year on record here. 2023's median of 50 is above the area's typical annual median of 47.

Omaha month by month in 2023

Omaha air quality month by month, 2023 (Omaha-Council Bluffs, NE-IA, EPA AQS daily AQI)

MonthDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
January3151098PM2.5
February2837062O3
March3143060PM2.5
April3048087O3
May31908133O3
Juneworst3010014169O3
July31521104O3
August3154097O3
September30612154O3
October3134071O3
November3044063PM2.5
Decembercleanest3133074PM2.5

How 2023 compares

Among the 7 years EPA has published for the area (2019–2025), 2023 ranks 7th cleanest by days above AQI 100 — the worst year on record here.

2023's median of 50 is above the area's typical annual median of 47.

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

Right now in Omaha

The latest EPA AirNow observation puts Omaha's AQI at 26 (PM2.5). The figures above are multi-year annual statistics, not today's reading.

View current Omaha air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Omaha-Council Bluffs, NE-IA), 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.