Reno Air Quality in 2020
In 2020, Reno's air quality (Reno, NV area) had a median daily AQI of 50 (Good) across 366 monitored days. 24 days (6.6%) reached Unhealthy for Sensitive Groups or worse, 193 were Good, and the year's peak AQI was 265 (Very Unhealthy). Ground-level ozone set the daily AQI on 217 of those days. The cleanest month of 2020 was January (median AQI 43, 0 days above 100) and the worst was August (median 82, 12 days above 100, peak 169).
- Good: 52.7%
- Moderate: 40.7%
- Unhealthy for Sensitive Groups: 3.0%
- Unhealthy or worse: 3.6%
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How was Reno's air quality in 2020?
Good on a typical day: median AQI 50, with 24 days above AQI 100 out of 366 monitored — the 6th cleanest of 7 years on record for the area.
- ✓Peak AQI in 2020: 265 (Very Unhealthy).
- ✓Ground-level ozone was the main pollutant on 217 days.
- ✓Cleanest month: January; worst: August.
Frequently asked questions
What was the average AQI in Reno in 2020?▾
EPA's Air Quality System puts Reno's (Reno, NV) median daily AQI for 2020 at 50, which is Good. 24 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 265.
Which month had the worst air quality in Reno in 2020?▾
The cleanest month of 2020 was January (median AQI 43, 0 days above 100) and the worst was August (median 82, 12 days above 100, peak 169).
Was 2020 a good or bad year for Reno's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2020 ranks 6th cleanest by days above AQI 100. 2020's median of 50 is in line with the area's typical annual median of 50.
Reno month by month in 2020
Reno air quality month by month, 2020 (Reno, NV, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| Januarycleanest | 31 | 43 | 0 | 63 | O3 |
| February | 29 | 47 | 0 | 61 | PM2.5 |
| March | 31 | 44 | 0 | 52 | O3 |
| April | 30 | 45 | 0 | 58 | O3 |
| May | 31 | 47 | 0 | 100 | O3 |
| June | 30 | 46 | 0 | 90 | O3 |
| July | 31 | 56 | 0 | 87 | O3 |
| Augustworst | 31 | 82 | 12 | 169 | PM2.5 |
| September | 30 | 84 | 11 | 265 | PM2.5 |
| October | 31 | 53 | 1 | 118 | PM2.5 |
| November | 30 | 52 | 0 | 85 | PM2.5 |
| December | 31 | 56 | 0 | 82 | PM2.5 |
How 2020 compares
Among the 7 years EPA has published for the area (2019–2025), 2020 ranks 6th cleanest by days above AQI 100.
2020'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.