Worst air pollution South Whittier, today and tomorrow
Today (15 July): Air quality in South Whittier is fair. AQI, PM10, and O3 are fair; PM2.5, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (O3: 31.2/100).
Tomorrow (16 July 2026): Air quality in South Whittier is fair. All pollutants stay as today. Pollution peaks around 9:00 AM (O3: 29.9/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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South Whittier's air quality reflects the southeastern Los Angeles County urban corridor, with vehicle emissions from I-605 and the surrounding dense residential and commercial character generating elevated NOₓ under the Los Angeles basin's persistent temperature inversions. The basin inversion traps all local emission sources throughout much of the year, while South Whittier's position in the southeastern Los Angeles County corridor tracks at consistently elevated suburban pollution levels throughout most of the year.
Today - 15 July | Pollution peaks at 08:00
AQI:
Fair
31.2/100
PM2.5 (fine particles):
Good
14.7/100
PM10 (coarse particles):
Fair
22.8/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Fair
31.2/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
2.5/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 09:00
AQI:
Fair
29.9/100
PM2.5 (fine particles):
Good
13.6/100
PM10 (coarse particles):
Fair
23.5/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Fair
29.9/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.0/100
PM1 (ultrafine particles):
Good
2.7/100
Pollen forecast in South Whittier
View pollen forecastFrequently Asked Questions
Is air quality bad in South Whittier right now?
On 15 July 2026, overall air quality in South Whittier is fair. AQI is the main air quality indicator at 31.2/100. Pollution peaks around 8:00 AM (O3: 31.2/100).
Will air quality be worse tomorrow in South Whittier?
On 16 July 2026, air quality conditions in South Whittier will be similar to today, with AQI forecast at fair at 29.9/100. Pollution peaks around 9:00 AM (O3: 29.9/100).
When is air pollution at its worst in South Whittier?
Seasonal changes shape air quality across South Whittier. In short, winter typically brings the cleanest stretch, once occasional rain clears the basin, whereas summer and early autumn bring the highest ozone levels, and wildfire smoke can spike particulate readings sharply from August through October. Coastal breezes offer some relief compared to inland valley locations that see heavier smog buildup.
Are air quality levels in South Whittier 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: 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