Worst air pollution Simi Valley HS's Baseball Diamond - Simi Valley, today and tomorrow
Today (15 July): Air quality in Simi Valley HS's Baseball Diamond is fair. AQI, PM2.5, PM10, and O3 are fair; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (PM10: 36.5/100).
Tomorrow (16 July 2026): Air quality in Simi Valley HS's Baseball Diamond is fair. All pollutants stay as today. Pollution peaks around 5:00 AM (PM10: 39.1/100). 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
Use our Strava plugin to check your own exposure.
Simi Valley HS's Baseball Diamond in Simi Valley sits on the flat Simi Valley floor surrounded by the Santa Susana Mountains, with vehicle traffic and the surrounding suburban residential corridor contributing local sources. Consistent Pacific sea breezes through the Moorpark corridor provide ventilation and the diamond generally maintains moderate to good conditions throughout most of the year.
Today - 15 July | Pollution peaks at 12:00
AQI:
Fair
36.5/100
PM2.5 (fine particles):
Fair
28.1/100
PM10 (coarse particles):
Fair
36.5/100
NO2 (nitrogen dioxide):
Good
4.2/100
O3 (ozone):
Fair
32.2/100
SO2 (sulfur dioxide):
Good
6.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.5/100
PM1 (ultrafine particles):
Good
6.1/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 05:00
AQI:
Fair
39.1/100
PM2.5 (fine particles):
Fair
25.1/100
PM10 (coarse particles):
Fair
39.1/100
NO2 (nitrogen dioxide):
Good
6.4/100
O3 (ozone):
Fair
30.3/100
SO2 (sulfur dioxide):
Good
10.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.4/100
PM1 (ultrafine particles):
Good
7.1/100
Sports venues in Simi Valley
Frequently Asked Questions
Is air quality bad in Simi Valley HS's Baseball Diamond right now?
On 15 July 2026, overall air quality in Simi Valley HS's Baseball Diamond is fair. AQI is the main air quality indicator at 36.5/100. Pollution peaks around 12:00 PM (PM10: 36.5/100).
Will air quality be worse tomorrow in Simi Valley HS's Baseball Diamond?
On 16 July 2026, air quality conditions in Simi Valley HS's Baseball Diamond will be similar to today, with AQI forecast at fair at 39.1/100. Pollution peaks around 5:00 AM (PM10: 39.1/100).
When is air pollution at its worst in Simi Valley HS's Baseball Diamond?
Simi Valley HS's Baseball Diamond's air quality follows a clear seasonal pattern, as the shortest stretch of clean air usually falls in the wetter winter months; by contrast, summer and early autumn bring the highest ozone levels, and wildfire smoke can spike particulate readings sharply from August through October. The mountains ringing the basin can trap pollution close to the ground for days when winds are calm.
Are air quality levels in Simi Valley HS's Baseball Diamond 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.
Want to see air quality forecasts for other cities in United States?
Check air quality in other popular cities:
Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (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