Spokane Air Quality in July
Across 2019–2025, Spokane's July air quality had a median AQI of 48 (Good) over 217 monitored days in the Spokane-Spokane Valley, WA area. 3.7% of July days (8 of 217) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 69.1% of days. The cleanest July on record here was 2020 (median AQI 37, 0 days above 100) and the worst was 2021 (median 74, 8 days above 100, peak AQI 181).
- Good: 60.4%
- Moderate: 35.9%
- Unhealthy for Sensitive Groups: 2.8%
- Unhealthy or worse: 0.9%
Improve Indoor Air Quality
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How is the air in Spokane in July?
Good on a typical day: median AQI 48 across 2019–2025, with 3.7% of July days above AQI 100. Ground-level ozone is the main driver.
- ✓60.4% of July days were Good (AQI 0–50), 35.9% Moderate (51–100).
- ✓8 days of 217 reached AQI 101+; the July peak was 181.
- ✓Best July: 2020; worst July: 2021.
Frequently asked questions
What is the air quality like in Spokane in July?▾
Across 2019–2025, the median daily AQI in Spokane in July was 48 (Good). 60.4% of days were Good, 35.9% Moderate, and 3.7% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.
Is July a good time for outdoor exercise in Spokane?▾
A typical July day in Spokane sits in the Good range (median AQI 48), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 27 of July days (3.7%) reached AQI 101+ in 2019–2025.
Which pollutant causes Spokane's July air quality problems?▾
Ground-level ozone set the daily AQI on 69.1% of July days in Spokane. The highest July AQI recorded in 2019–2025 was 181 (Unhealthy), in 2021.
Spokane July air quality, year by year
Spokane July 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 | 31 | 40 | 0 | 58 | O3 |
| 2020cleanest | 31 | 37 | 0 | 62 | O3 |
| 2021worst | 31 | 74 | 8 | 181 | PM2.5 |
| 2022 | 31 | 42 | 0 | 54 | O3 |
| 2023 | 31 | 49 | 0 | 74 | O3 |
| 2024 | 31 | 64 | 0 | 100 | O3 |
| 2025 | 31 | 49 | 0 | 73 | O3 |
What July air means in Spokane
A typical July day in Spokane sits in the Good range (median AQI 48), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 27 of July days (3.7%) reached AQI 101+ in 2019–2025.
July's median AQI of 48 is in line with Spokane's whole-year median of 47, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median July AQI across every EPA metro area (103,858 metro-days, 2019–2025) is 47, so Spokane runs in line with the national July norm; 3.7% of its July days topped AQI 100 versus 3.6% nationally (about the same).
July 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.