Worst air pollution Carmel-by-the-Sea, today and tomorrow
Today (15 July): Air quality in Carmel-by-the-Sea is poor. AQI and O3 are poor; PM2.5, NO2, and PM1 are fair; PM10, SO2, CO, and HCHO are good. Pollution peaks around 10:00 AM (O3: 61.0/100).
Tomorrow (16 July 2026): Air quality in Carmel-by-the-Sea is fair. AQI improves to fair; O3 decreases to fair; all other pollutants stay as today. Pollution peaks around 11:00 AM (O3: 39.3/100). 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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Air quality in Carmel-by-the-Sea is driven mostly by cool Pacific fog — marine fog and onshore breeze keep pollutant levels low year-round. These factors combine to give Carmel-by-the-Sea a fairly typical seasonal air quality pattern for this part of the country. Local topography and prevailing winds both play a role in how quickly conditions change.
Today - 15 July | Pollution peaks at 10:00
AQI:
Poor
61.0/100
PM2.5 (fine particles):
Fair
25.3/100
PM10 (coarse particles):
Good
15.7/100
NO2 (nitrogen dioxide):
Fair
30.5/100
O3 (ozone):
Poor
61.0/100
SO2 (sulfur dioxide):
Good
10.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.2/100
PM1 (ultrafine particles):
Fair
20.7/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 11:00
AQI:
Fair
39.3/100
PM2.5 (fine particles):
Fair
26.4/100
PM10 (coarse particles):
Good
14.1/100
NO2 (nitrogen dioxide):
Fair
27.1/100
O3 (ozone):
Fair
39.3/100
SO2 (sulfur dioxide):
Good
8.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.2/100
PM1 (ultrafine particles):
Fair
21.5/100
Pollen forecast in Carmel-by-the-Sea
View pollen forecastSports venues in Carmel-by-the-Sea
Frequently Asked Questions
Is air quality bad in Carmel-by-the-Sea right now?
On 15 July 2026, overall air quality in Carmel-by-the-Sea is poor. AQI is the main air quality indicator at 61.0/100. Pollution peaks around 10:00 AM (O3: 61.0/100).
Will air quality be worse tomorrow in Carmel-by-the-Sea?
On 16 July 2026, air quality conditions in Carmel-by-the-Sea will be better than today, with AQI forecast at fair at 39.3/100. Pollution peaks around 11:00 AM (O3: 39.3/100).
When is air pollution at its worst in Carmel-by-the-Sea?
Seasonal changes shape air quality across Carmel-by-the-Sea, as the cleanest air usually comes in winter, when storms periodically flush pollution out of the basin; by contrast, summer sunshine and heat drive some of the worst ozone readings in the country. The mountains ringing the basin can trap pollution close to the ground for days when winds are calm.
Are air quality levels in Carmel-by-the-Sea 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