Lincoln Air Quality in August

Across 2019–2025, Lincoln's August air quality had a median AQI of 37 (Good) over 210 monitored days in the Lincoln, NE area. 0.0% of August days (0 of 210) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 78.1% of days. The cleanest August on record here was 2019 (median AQI 31, 0 days above 100) and the worst was 2023 (median 40, 0 days above 100, peak AQI 64).

37
Median AQI
Good
0.0%
Days above AQI 100
0 of 210 days
50
90th percentile AQI
worst 1 day in 10
87
Peak AQI
Moderate
O3
Main pollutant
78.1% of days
90.5%
Good days
190 of 210
  • Good: 90.5%
  • Moderate: 9.5%
  • Unhealthy for Sensitive Groups: 0.0%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in Lincoln in August?

Good on a typical day: median AQI 37 across 2019–2025, with 0.0% of August days above AQI 100. Ground-level ozone is the main driver.

  • 90.5% of August days were Good (AQI 0–50), 9.5% Moderate (51–100).
  • 0 days of 210 reached AQI 101+; the August peak was 87.
  • Best August: 2019; worst August: 2023.

Frequently asked questions

What is the air quality like in Lincoln in August?

Across 2019–2025, the median daily AQI in Lincoln in August was 37 (Good). 90.5% of days were Good, 9.5% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.

Is August a good time for outdoor exercise in Lincoln?

A typical August day in Lincoln sits in the Good range (median AQI 37), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of August days reached AQI 101+ in 2019–2025.

Which pollutant causes Lincoln's August air quality problems?

Ground-level ozone set the daily AQI on 78.1% of August days in Lincoln. The highest August AQI recorded in 2019–2025 was 87 (Moderate), in 2023.

Lincoln August air quality, year by year

Lincoln August air quality by year (Lincoln, NE, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
2019cleanest3131053O3
20202935057O3
20212838080O3
20223138049O3
2023worst3140064O3
20243039065O3
20253037087O3

What August air means in Lincoln

A typical August day in Lincoln sits in the Good range (median AQI 37), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of August days reached AQI 101+ in 2019–2025.

Nationally, the median August AQI across every EPA metro area (104,152 metro-days, 2019–2025) is 45, so Lincoln runs below the national August norm; 0.0% of its August days topped AQI 100 versus 3.5% nationally (below average).

August is part of Lincoln's summer season (June, July, August); the summer page pools all three months.

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 month 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.