Reno Air Quality in March
Across 2019–2025, Reno's March air quality had a median AQI of 46 (Good) over 217 monitored days in the Reno, NV area. 0.0% of March days (0 of 217) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 89.9% of days. The cleanest March on record here was 2020 (median AQI 44, 0 days above 100) and the worst was 2025 (median 49, 0 days above 100, peak AQI 77).
- Good: 86.2%
- Moderate: 13.8%
- Unhealthy for Sensitive Groups: 0.0%
- 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 March?
Good on a typical day: median AQI 46 across 2019–2025, with 0.0% of March days above AQI 100. Ground-level ozone is the main driver.
- ✓86.2% of March days were Good (AQI 0–50), 13.8% Moderate (51–100).
- ✓0 days of 217 reached AQI 101+; the March peak was 77.
- ✓Best March: 2020; worst March: 2025.
Frequently asked questions
What is the air quality like in Reno in March?▾
Across 2019–2025, the median daily AQI in Reno in March was 46 (Good). 86.2% of days were Good, 13.8% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.
Is March a good time for outdoor exercise in Reno?▾
A typical March day in Reno sits in the Good range (median AQI 46), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of March days reached AQI 101+ in 2019–2025.
Which pollutant causes Reno's March air quality problems?▾
Ground-level ozone set the daily AQI on 89.9% of March days in Reno. The highest March AQI recorded in 2019–2025 was 77 (Moderate), in 2025.
Reno March air quality, year by year
Reno March air quality by year (Reno, NV, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 31 | 46 | 0 | 67 | O3 |
| 2020cleanest | 31 | 44 | 0 | 52 | O3 |
| 2021 | 31 | 45 | 0 | 50 | O3 |
| 2022 | 31 | 46 | 0 | 61 | O3 |
| 2023 | 31 | 47 | 0 | 55 | O3 |
| 2024 | 31 | 45 | 0 | 61 | O3 |
| 2025worst | 31 | 49 | 0 | 77 | O3 |
What March air means in Reno
A typical March day in Reno sits in the Good range (median AQI 46), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of March days reached AQI 101+ in 2019–2025.
March's median AQI of 46 is below Reno's whole-year median of 50, making it one of the area's cleaner periods. Nationally, the median March AQI across every EPA metro area (102,455 metro-days, 2019–2025) is 42, so Reno runs above the national March norm; 0.0% of its March days topped AQI 100 versus 0.4% nationally (about the same).
March 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.