Reno Air Quality in April
Across 2019–2025, Reno's April air quality had a median AQI of 48 (Good) over 210 monitored days in the Reno, NV area. 0.5% of April days (1 of 210) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 98.6% of days. The cleanest April on record here was 2020 (median AQI 45, 0 days above 100) and the worst was 2021 (median 48, 1 day above 100, peak AQI 101).
- Good: 63.3%
- Moderate: 36.2%
- Unhealthy for Sensitive Groups: 0.5%
- Unhealthy or worse: 0.0%
Extra Protection for Reno Homes
Air quality in Reno is moderate (AQI 64), with fine particles (PM2.5) the main concern. A True-HEPA purifier gives sensitive groups — kids, seniors and anyone with asthma or allergies — cleaner air indoors on days like today.
Recommended: Coway AP-1512HH Mighty — True HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft
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How is the air in Reno in April?
Good on a typical day: median AQI 48 across 2019–2025, with 0.5% of April days above AQI 100. Ground-level ozone is the main driver.
- ✓63.3% of April days were Good (AQI 0–50), 36.2% Moderate (51–100).
- ✓1 day of 210 reached AQI 101+; the April peak was 101.
- ✓Best April: 2020; worst April: 2021.
Frequently asked questions
What is the air quality like in Reno in April?▾
Across 2019–2025, the median daily AQI in Reno in April was 48 (Good). 63.3% of days were Good, 36.2% Moderate, and 0.5% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.
Is April a good time for outdoor exercise in Reno?▾
A typical April day in Reno sits in the Good range (median AQI 48), 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 Reno's April air quality problems?▾
Ground-level ozone set the daily AQI on 98.6% of April days in Reno. The highest April AQI recorded in 2019–2025 was 101 (Unhealthy for Sensitive Groups), in 2021.
Reno April air quality, year by year
Reno April air quality by year (Reno, NV, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 47 | 0 | 67 | O3 |
| 2020cleanest | 30 | 45 | 0 | 58 | O3 |
| 2021worst | 30 | 48 | 1 | 101 | O3 |
| 2022 | 30 | 49 | 0 | 84 | O3 |
| 2023 | 30 | 51 | 0 | 84 | O3 |
| 2024 | 30 | 49 | 0 | 84 | O3 |
| 2025 | 30 | 53 | 0 | 93 | O3 |
What April air means in Reno
A typical April day in Reno sits in the Good range (median AQI 48), 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.
April's median AQI of 48 is in line with Reno's whole-year median of 50, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median April AQI across every EPA metro area (100,677 metro-days, 2019–2025) is 44, so Reno runs above the national April norm; 0.5% of its April days topped AQI 100 versus 0.7% nationally (about the same).
April is part of Reno's spring season (March, April, May); the spring page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Reno
The latest EPA AirNow observation puts Reno's AQI at 64 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Reno air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Reno, NV), 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.