Lincoln Air Quality in April
Across 2019–2025, Lincoln's April air quality had a median AQI of 39 (Good) over 205 monitored days in the Lincoln, NE area. 0.0% of April days (0 of 205) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 86.8% of days. The cleanest April on record here was 2021 (median AQI 36, 0 days above 100) and the worst was 2023 (median 43, 0 days above 100, peak AQI 67).
- Good: 89.3%
- Moderate: 10.7%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
Improve Indoor Air Quality
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How is the air in Lincoln in April?
Good on a typical day: median AQI 39 across 2019–2025, with 0.0% of April days above AQI 100. Ground-level ozone is the main driver.
- ✓89.3% of April days were Good (AQI 0–50), 10.7% Moderate (51–100).
- ✓0 days of 205 reached AQI 101+; the April peak was 74.
- ✓Best April: 2021; worst April: 2023.
Frequently asked questions
What is the air quality like in Lincoln in April?▾
Across 2019–2025, the median daily AQI in Lincoln in April was 39 (Good). 89.3% of days were Good, 10.7% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 205 monitored days in EPA's Air Quality System.
Is April a good time for outdoor exercise in Lincoln?▾
A typical April day in Lincoln sits in the Good range (median AQI 39), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of April days reached AQI 101+ in 2019–2025.
Which pollutant causes Lincoln's April air quality problems?▾
Ground-level ozone set the daily AQI on 86.8% of April days in Lincoln. The highest April AQI recorded in 2019–2025 was 74 (Moderate), in 2023.
Lincoln April air quality, year by year
Lincoln April air quality by year (Lincoln, NE, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 39 | 0 | 58 | O3 |
| 2020 | 30 | 39 | 0 | 55 | O3 |
| 2021cleanest | 30 | 36 | 0 | 70 | O3 |
| 2022 | 30 | 38 | 0 | 61 | O3 |
| 2023worst | 30 | 43 | 0 | 67 | O3 |
| 2024 | 29 | 41 | 0 | 58 | O3 |
| 2025 | 26 | 41 | 0 | 74 | O3 |
What April air means in Lincoln
A typical April day in Lincoln sits in the Good range (median AQI 39), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of April days reached AQI 101+ in 2019–2025.
Nationally, the median April AQI across every EPA metro area (100,677 metro-days, 2019–2025) is 44, so Lincoln runs below the national April norm; 0.0% of its April days topped AQI 100 versus 0.7% nationally (about the same).
April is part of Lincoln's spring season (March, April, May); the spring 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.