Worst air pollution Laguna Niguel, today and tomorrow
Today (15 July): Air quality in Laguna Niguel is fair. AQI, PM10, and O3 are fair; PM2.5, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 AM (O3: 30.4/100).
Tomorrow (16 July 2026): Air quality in Laguna Niguel is fair. PM10 decreases to good; all other pollutants stay as today. Pollution peaks around 9:00 AM (O3: 29.7/100). 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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Laguna Niguel's air quality benefits from its South Orange County coastal valley position receiving reliable Pacific sea breezes through the Aliso Canyon, with vehicle emissions from I-5 the primary local source. The Saddleback Mountains create topographic enclosure to the northeast, while the coastal proximity provides better ventilation than the deeper Los Angeles basin and Laguna Niguel's affluent residential and coastal canyon character generally maintains among Southern California's more moderate inland-coastal urban environments.
Today - 15 July | Pollution peaks at 07:00
AQI:
Fair
30.4/100
PM2.5 (fine particles):
Good
14.2/100
PM10 (coarse particles):
Fair
22.6/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Fair
30.4/100
SO2 (sulfur dioxide):
Good
0.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
2.6/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 09:00
AQI:
Fair
29.7/100
PM2.5 (fine particles):
Good
11.6/100
PM10 (coarse particles):
Good
19.6/100
NO2 (nitrogen dioxide):
Good
0.3/100
O3 (ozone):
Fair
29.7/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
2.6/100
Pollen forecast in Laguna Niguel
View pollen forecastFrequently Asked Questions
Is air quality bad in Laguna Niguel right now?
On 15 July 2026, overall air quality in Laguna Niguel is fair. AQI is the main air quality indicator at 30.4/100. Pollution peaks around 7:00 AM (O3: 30.4/100).
Will air quality be worse tomorrow in Laguna Niguel?
On 16 July 2026, air quality conditions in Laguna Niguel will be similar to today, with AQI forecast at fair at 29.7/100. Pollution peaks around 9:00 AM (O3: 29.7/100).
When is air pollution at its worst in Laguna Niguel?
Laguna Niguel's air quality follows a clear seasonal pattern. In short, winter typically brings the cleanest stretch, once occasional rain clears the basin, whereas hot, sunny summer conditions drive persistent ozone problems, compounded by wildfire smoke risk into early autumn. The mountains ringing the basin can trap pollution close to the ground for days when winds are calm.
Are air quality levels in Laguna Niguel 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