Highest air pollution Historic Valley Junction - Des Moines, today and tomorrow
Today (29 June): Air quality in Historic Valley Junction is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (O3: 34.3/100).
Tomorrow (30 June 2026): Air quality in Historic Valley Junction is fair. All pollutants stay as today. Pollution peaks around 12:00 PM (O3: 36.9/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Des Moines' Historic Valley Junction air quality reflects the historic West Des Moines commercial and arts corridor, with vehicle traffic on the surrounding 5th Street corridor contributing local sources. The flat terrain allows reasonable dispersal, while the neighbourhood's walkable arts character and the historic district scale generally maintain moderate Des Moines metropolitan readings throughout most of the year.
Today - 29 June | Pollution peaks at 10:00
AQI:
Fair
34.3/100
PM2.5 (fine particles):
Good
2.5/100
PM10 (coarse particles):
Good
1.5/100
NO2 (nitrogen dioxide):
Good
6.6/100
O3 (ozone):
Fair
34.3/100
SO2 (sulfur dioxide):
Good
0.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.1/100
PM1 (ultrafine particles):
Good
2.0/100
Levels show the poorest local air quality during the day
Tomorrow - 30 June | Pollution peaks at 12:00
AQI:
Fair
36.9/100
PM2.5 (fine particles):
Good
4.0/100
PM10 (coarse particles):
Good
1.5/100
NO2 (nitrogen dioxide):
Good
6.9/100
O3 (ozone):
Fair
36.9/100
SO2 (sulfur dioxide):
Good
0.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.9/100
PM1 (ultrafine particles):
Good
2.0/100
Other Landmarks in Des Moines
Frequently Asked Questions
Is air quality bad in Historic Valley Junction right now?
On 29 June 2026, overall air quality in Historic Valley Junction is fair. AQI is the main air quality indicator at 34.3/100. Pollution peaks around 10:00 AM (O3: 34.3/100).
Will air quality be worse tomorrow in Historic Valley Junction?
On 30 June 2026, air quality conditions in Historic Valley Junction will be similar to today, with AQI forecast at fair at 36.9/100. Pollution peaks around 12:00 PM (O3: 36.9/100).
Are air quality levels in Historic Valley Junction based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 29 June 2026 at 18:39 CET (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team