Lincoln Air Quality in 2025

In 2025, Lincoln's air quality (Lincoln, NE area) had a median daily AQI of 37 (Good) across 281 monitored days. 0 days (0.0%) reached Unhealthy for Sensitive Groups or worse, 240 were Good, and the year's peak AQI was 87 (Moderate). Ground-level ozone set the daily AQI on 202 of those days. The cleanest month of 2025 was January (median AQI 22, 0 days above 100) and the worst was September (median 41, 0 days above 100, peak 71).

37
Median AQI
Good
0
Days above AQI 100
0.0% of 281 days
54
90th percentile AQI
worst 1 day in 10
87
Peak AQI
Moderate
O3
Main pollutant
202 of 281 days
240
Good days
85.4% of days
  • Good: 85.4%
  • Moderate: 14.6%
  • Unhealthy for Sensitive Groups: 0.0%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How was Lincoln's air quality in 2025?

Good on a typical day: median AQI 37, with 0 days above AQI 100 out of 281 monitored.

  • Peak AQI in 2025: 87 (Moderate).
  • Ground-level ozone was the main pollutant on 202 days.
  • Cleanest month: January; worst: September.

Frequently asked questions

What was the average AQI in Lincoln in 2025?

EPA's Air Quality System puts Lincoln's (Lincoln, NE) median daily AQI for 2025 at 37, 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 Lincoln in 2025?

The cleanest month of 2025 was January (median AQI 22, 0 days above 100) and the worst was September (median 41, 0 days above 100, peak 71).

Lincoln month by month in 2025

Lincoln air quality month by month, 2025 (Lincoln, NE, EPA AQS daily AQI)

MonthDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
Januarycleanest1022051PM2.5
February936062PM2.5
March2934062O3
April2641074O3
May3141074O3
June3039080O3
July3134061O3
August3037087O3
Septemberworst3041071O3
October3132061O3
November1431051PM2.5
December1036065PM2.5

How 2025 compares

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

Right now in Lincoln

The latest EPA AirNow observation puts Lincoln's AQI at 34 (PM2.5). The figures above are multi-year annual statistics, not today's reading.

View current Lincoln air quality →

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