Spokane Air Quality in June
Across 2019–2025, Spokane's June air quality had a median AQI of 41 (Good) over 210 monitored days in the Spokane-Spokane Valley, WA area. 0.0% of June days (0 of 210) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 88.1% of days. The cleanest June on record here was 2020 (median AQI 34, 0 days above 100) and the worst was 2023 (median 50, 0 days above 100, peak AQI 90).
- Good: 85.7%
- Moderate: 14.3%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
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How is the air in Spokane in June?
Good on a typical day: median AQI 41 across 2019–2025, with 0.0% of June days above AQI 100. Ground-level ozone is the main driver.
- ✓85.7% of June days were Good (AQI 0–50), 14.3% Moderate (51–100).
- ✓0 days of 210 reached AQI 101+; the June peak was 90.
- ✓Best June: 2020; worst June: 2023.
Frequently asked questions
What is the air quality like in Spokane in June?▾
Across 2019–2025, the median daily AQI in Spokane in June was 41 (Good). 85.7% of days were Good, 14.3% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.
Is June a good time for outdoor exercise in Spokane?▾
A typical June day in Spokane sits in the Good range (median AQI 41), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of June days reached AQI 101+ in 2019–2025.
Which pollutant causes Spokane's June air quality problems?▾
Ground-level ozone set the daily AQI on 88.1% of June days in Spokane. The highest June AQI recorded in 2019–2025 was 90 (Moderate), in 2023.
Spokane June air quality, year by year
Spokane June air quality by year (Spokane-Spokane Valley, WA, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 38 | 0 | 87 | O3 |
| 2020cleanest | 30 | 34 | 0 | 45 | O3 |
| 2021 | 30 | 42 | 0 | 74 | O3 |
| 2022 | 30 | 35 | 0 | 44 | O3 |
| 2023worst | 30 | 50 | 0 | 90 | O3 |
| 2024 | 30 | 42 | 0 | 50 | O3 |
| 2025 | 30 | 45 | 0 | 58 | O3 |
What June air means in Spokane
A typical June day in Spokane sits in the Good range (median AQI 41), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of June days reached AQI 101+ in 2019–2025.
June's median AQI of 41 is below Spokane's whole-year median of 47, making it one of the area's cleaner periods. Nationally, the median June AQI across every EPA metro area (100,635 metro-days, 2019–2025) is 46, so Spokane runs below the national June norm; 0.0% of its June days topped AQI 100 versus 3.7% nationally (below average).
June is part of Spokane's summer season (June, July, August); the summer page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Spokane
The latest EPA AirNow observation puts Spokane's AQI at 26 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Spokane air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Spokane-Spokane Valley, WA), 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.