Highland Theatre, Los Angeles Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (10 October): Air quality in Highland Theatre is fair. AQI, PM10, and O3 are fair; PM2.5, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 AM (O3: 27.7/100).
Air Quality Tomorrow
Tomorrow (11 October 2026): Air quality in Highland Theatre is fair. PM2.5 increases to fair; all other pollutants stay as today. Pollution peaks around 8:00 AM (PM10: 34.2/100).
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Air Quality
Today - 10 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Fair | 27.7/100 |
| PM2.5 (fine particles) | Good | 15.6/100 |
| PM10 (coarse particles) | Fair | 26.6/100 |
| NO2 (nitrogen dioxide) | Good | 7.9/100 |
| O3 (ozone) | Fair | 27.7/100 |
| SO2 (sulfur dioxide) | Good | 0.6/100 |
| CO (carbon monoxide) | Good | 0.5/100 |
| HCHO (formaldehyde) | Good | 1.5/100 |
| PM1 (ultrafine particles) | Good | 2.8/100 |
Tomorrow - 11 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Fair | 34.2/100 |
| PM2.5 (fine particles) | Fair | 24.5/100 |
| PM10 (coarse particles) | Fair | 34.2/100 |
| NO2 (nitrogen dioxide) | Good | 9.4/100 |
| O3 (ozone) | Fair | 22.9/100 |
| SO2 (sulfur dioxide) | Good | 0.7/100 |
| CO (carbon monoxide) | Good | 0.5/100 |
| HCHO (formaldehyde) | Good | 1.4/100 |
| PM1 (ultrafine particles) | Good | 4.3/100 |
Local Environmental Conditions
This site in Los Angeles is largely built up, so vehicle exhaust and urban activity dominate the local air pollution sources. Parks and street trees provide a modest buffer against traffic pollution. On some days, pollution drifting in from farther away outweighs local sources. Levels are generally highest right next to busy roads and drop off quickly with distance.
Summer sun from June to September cooks traffic fumes into ozone, especially in the warmest month, which averages 25°C. Air near roads is often at its worst from January to March, when nights cool to around 12°C and the air turns still. On any given day, wind and rain matter most: breezy or wet weather disperses pollution, while calm, dry spells let it build.
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Frequently Asked Questions About Air Quality in California
Is air quality bad in Highland Theatre right now?
On 10 October 2026, overall air quality in Highland Theatre is fair. AQI is the main air quality indicator at 27.7/100. Pollution peaks around 4:00 AM (O3: 27.7/100).
Will air quality be worse tomorrow in Highland Theatre?
On 11 October 2026, air quality conditions in Highland Theatre will be similar to today, with AQI forecast at fair at 34.2/100. Pollution peaks around 8:00 AM (PM10: 34.2/100).
When is air pollution at its worst in Highland Theatre?
Summer sun from June to September cooks traffic fumes into ozone, especially in the warmest month, which averages 25°C. Air near roads is often at its worst from January to March, when nights cool to around 12°C and the air turns still. On any given day, wind and rain matter most: breezy or wet weather disperses pollution, while calm, dry spells let it build.
Are air quality levels in Highland Theatre 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. |