Wawona Horse Camp, Ahwahnee Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (6 October): Air quality in Wawona Horse Camp is moderate. AQI, PM2.5, and PM10 are moderate; O3 is fair; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (PM10: 43.3/100).
Air Quality Tomorrow
Tomorrow (7 October 2026): Air quality in Wawona Horse Camp is moderate. All pollutants stay as today. Pollution peaks around 9:00 AM (PM2.5: 45.6/100).
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Air Quality
Today - 6 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Moderate | 43.3/100 |
| PM2.5 (fine particles) | Moderate | 41.1/100 |
| PM10 (coarse particles) | Moderate | 43.3/100 |
| NO2 (nitrogen dioxide) | Good | 5.4/100 |
| O3 (ozone) | Fair | 25.7/100 |
| SO2 (sulfur dioxide) | Good | 1.8/100 |
| CO (carbon monoxide) | Good | 0.4/100 |
| HCHO (formaldehyde) | Good | 1.8/100 |
| PM1 (ultrafine particles) | Good | 8.2/100 |
Tomorrow - 7 October
| Pollen species | Level | Value |
|---|---|---|
| AQI | Moderate | 45.6/100 |
| PM2.5 (fine particles) | Moderate | 45.6/100 |
| PM10 (coarse particles) | Moderate | 43.8/100 |
| NO2 (nitrogen dioxide) | Good | 10.2/100 |
| O3 (ozone) | Fair | 29.8/100 |
| SO2 (sulfur dioxide) | Good | 1.7/100 |
| CO (carbon monoxide) | Good | 0.4/100 |
| HCHO (formaldehyde) | Good | 2.8/100 |
| PM1 (ultrafine particles) | Good | 11.8/100 |
Local Environmental Conditions
Around this location in Ahwahnee, traffic is light and there are few concentrated sources of air pollution. The surrounding woodland releases natural compounds that, in warm sunny weather, help form ozone. Light average winds mean local emissions are not always carried away quickly. Pollution carried in from the wider region can also raise levels at times.
Ozone is the main concern from June to September, when sunny days averaging 28°C turn traffic and other emissions into ozone by mid-afternoon. Later, the cooler months, December to February, see more fine particles, as wood burning and traffic add emissions while frequent calm, cold mornings around 7°C keep pollution near the ground.
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Frequently Asked Questions About Air Quality in California
Is air quality bad in Wawona Horse Camp right now?
On 6 October 2026, overall air quality in Wawona Horse Camp is moderate. AQI is the main air quality indicator at 43.3/100. Pollution peaks around 10:00 AM (PM10: 43.3/100).
Will air quality be worse tomorrow in Wawona Horse Camp?
On 7 October 2026, air quality conditions in Wawona Horse Camp will be similar to today, with AQI forecast at moderate at 45.6/100. Pollution peaks around 9:00 AM (PM2.5: 45.6/100).
When is air pollution at its worst in Wawona Horse Camp?
Ozone is the main concern from June to September, when sunny days averaging 28°C turn traffic and other emissions into ozone by mid-afternoon. Later, the cooler months, December to February, see more fine particles, as wood burning and traffic add emissions while frequent calm, cold mornings around 7°C keep pollution near the ground.
Are air quality levels in Wawona Horse Camp 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
Understanding the Scale
The 0–100 air quality scores represent risk levels, not direct air pollutant concentrations. Higher scores indicate higher risk.
Air Quality
| Good | 0-20 | Low air quality risk. Air quality is expected to be good, with low levels of pollution. |
| Fair | 20-40 | Generally low air quality risk. Air quality is expected to be acceptable, with some pollution present. |
| Moderate | 40-60 | Moderate air quality risk. Air pollution is elevated and air quality may be less favorable. |
| Poor | 60-80 | High air quality risk. Air pollution is high and air quality is expected to be poor. |
| Very Poor | 80-100 | Very high air quality risk. Air pollution is very high and air quality is expected to be very poor. |