Reno Air Quality in August
Across 2019–2025, Reno's August air quality had a median AQI of 58 (Moderate) over 217 monitored days in the Reno, NV area. 15.7% of August days (34 of 217) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 72.8% of days. The cleanest August on record here was 2023 (median AQI 50, 0 days above 100) and the worst was 2021 (median 137, 21 days above 100, peak AQI 333).
- Good: 35.9%
- Moderate: 48.4%
- Unhealthy for Sensitive Groups: 6.5%
- Unhealthy or worse: 9.2%
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 August?
Moderate on a typical day: median AQI 58 across 2019–2025, with 15.7% of August days above AQI 100. Ground-level ozone is the main driver.
- ✓35.9% of August days were Good (AQI 0–50), 48.4% Moderate (51–100).
- ✓34 days of 217 reached AQI 101+; the August peak was 333.
- ✓Best August: 2023; worst August: 2021.
Frequently asked questions
What is the air quality like in Reno in August?▾
Across 2019–2025, the median daily AQI in Reno in August was 58 (Moderate). 35.9% of days were Good, 48.4% Moderate, and 15.7% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.
Is August a good time for outdoor exercise in Reno?▾
A typical August day in Reno is Moderate (median AQI 58): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 6 of August days (15.7%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes Reno's August air quality problems?▾
Ground-level ozone set the daily AQI on 72.8% of August days in Reno. The highest August AQI recorded in 2019–2025 was 333 (Hazardous), in 2021.
Reno August air quality, year by year
Reno August air quality by year (Reno, NV, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 31 | 54 | 0 | 87 | O3 |
| 2020 | 31 | 82 | 12 | 169 | PM2.5 |
| 2021worst | 31 | 137 | 21 | 333 | PM2.5 |
| 2022 | 31 | 51 | 0 | 90 | O3 |
| 2023cleanest | 31 | 50 | 0 | 93 | O3 |
| 2024 | 31 | 61 | 1 | 119 | O3 |
| 2025 | 31 | 50 | 0 | 80 | O3 |
What August air means in Reno
A typical August day in Reno is Moderate (median AQI 58): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 6 of August days (15.7%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
August's median AQI of 58 is above Reno's whole-year median of 50, making it one of the area's dirtier periods. Nationally, the median August AQI across every EPA metro area (104,152 metro-days, 2019–2025) is 45, so Reno runs above the national August norm; 15.7% of its August days topped AQI 100 versus 3.5% nationally (above average).
August is part of Reno's summer season (June, July, August); the summer 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.