Reno Air Quality in 2023
In 2023, Reno's air quality (Reno, NV area) had a median daily AQI of 50 (Good) across 365 monitored days. 0 days (0.0%) reached Unhealthy for Sensitive Groups or worse, 191 were Good, and the year's peak AQI was 97 (Moderate). Ground-level ozone set the daily AQI on 248 of those days. The cleanest month of 2023 was October (median AQI 44, 0 days above 100) and the worst was July (median 54, 0 days above 100, peak 97).
- Good: 52.3%
- Moderate: 47.7%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
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How was Reno's air quality in 2023?
Good on a typical day: median AQI 50, with 0 days above AQI 100 out of 365 monitored — the 2nd cleanest of 7 years on record for the area.
- ✓Peak AQI in 2023: 97 (Moderate).
- ✓Ground-level ozone was the main pollutant on 248 days.
- ✓Cleanest month: October; worst: July.
Frequently asked questions
What was the average AQI in Reno in 2023?▾
EPA's Air Quality System puts Reno's (Reno, NV) median daily AQI for 2023 at 50, which is Good. 0 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 97.
Which month had the worst air quality in Reno in 2023?▾
The cleanest month of 2023 was October (median AQI 44, 0 days above 100) and the worst was July (median 54, 0 days above 100, peak 97).
Was 2023 a good or bad year for Reno's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2023 ranks 2nd cleanest by days above AQI 100. 2023's median of 50 is in line with the area's typical annual median of 50.
Reno month by month in 2023
Reno air quality month by month, 2023 (Reno, NV, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| January | 31 | 53 | 0 | 72 | PM2.5 |
| February | 28 | 52 | 0 | 77 | PM2.5 |
| March | 31 | 47 | 0 | 55 | O3 |
| April | 30 | 51 | 0 | 84 | O3 |
| May | 31 | 51 | 0 | 90 | O3 |
| June | 30 | 51 | 0 | 90 | O3 |
| Julyworst | 31 | 54 | 0 | 97 | O3 |
| August | 31 | 50 | 0 | 93 | O3 |
| September | 30 | 47 | 0 | 64 | O3 |
| Octobercleanest | 31 | 44 | 0 | 63 | PM2.5 |
| November | 30 | 51 | 0 | 71 | PM2.5 |
| December | 31 | 53 | 0 | 77 | PM2.5 |
How 2023 compares
Among the 7 years EPA has published for the area (2019–2025), 2023 ranks 2nd cleanest by days above AQI 100.
2023's median of 50 is in line with the area's typical annual median of 50.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Reno
The latest EPA AirNow observation puts Reno's AQI at 35 (PM2.5). The figures above are multi-year annual 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.