Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Castaic
Air quality index (AQI) and PM2.5 air pollution in Castaic
1.2K people follow this city
Castaic Air Quality Map
Real-time Castaic air pollution map
AIR QUALITY DATA CONTRIBUTORS
Anonymous contributor
See all
Pollen
What is the pollen count in Castaic today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Castaic?
| Weather | Broken clouds |
| Temperature | 59°F |
| Humidity | 63% |
| Wind | 11 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 127 |
| 2 | San Antonio, Texas | 89 |
| 3 | Georgetown, Texas | 82 |
| 4 | Boerne, Texas | 79 |
| 5 | Austin, Texas | 78 |
| 6 | New Braunfels, Texas | 77 |
| 7 | Indio, California | 72 |
| 8 | Round Rock, Texas | 72 |
| 9 | Leander, Texas | 69 |
| 10 | Corpus Christi, Texas | 61 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Castaic aqi ranking
Real-time Castaic air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Mallorca Place | 23 |
| 2 | Nantucket Street | 23 |
| 3 | 28622 Wildflower Ter | 21 |
| 4 | Cambridge Avenue | 21 |
| 5 | VVAMP2 | 21 |
| 6 | Windy Way | 21 |
| 7 | 27803 Firebrand Dr | 20 |
| 8 | Arlington Street | 20 |
| 9 | Delwood Street | 20 |
| 10 | Cottage Grove Drive | 19 |
(local time)
SEE WORLD AQI RANKING
US AQI
21
live AQI index
Good
Overview
What is the current air quality in Castaic?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 21 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5µg/m³ | |
✓
PM2.5 concentration in Castaic air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Castaic?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Castaic air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Monday, Apr 22 | Moderate 51 AQI US  | | 66.2° 51.8° |  11.2 mp/h |
| Tuesday, Apr 23 | Good 22 AQI US |  | 64.4° 48.2° | 11.2 mp/h |
| Wednesday, Apr 24 | Good 15 AQI US | | 59° 51.8° | 8.9 mp/h |
| Today | Good 21 AQI US | | 59° 51.8° | 8.9 mp/h |
| Friday, Apr 26 | Good 16 AQI US | | 69.8° 48.2° | 13.4 mp/h |
| Saturday, Apr 27 | Good 11 AQI US |  | 69.8° 48.2° | 11.2 mp/h |
| Sunday, Apr 28 | Good 16 AQI US | | 75.2° 51.8° | 4.5 mp/h |
| Monday, Apr 29 | Good 21 AQI US | | 77° 53.6° | 6.7 mp/h |
| Tuesday, Apr 30 | Good 18 AQI US | | 77° 57.2° | 8.9 mp/h |
| Wednesday, May 1 | Good 17 AQI US | | 75.2° 55.4° | 8.9 mp/h |
| Thursday, May 2 | Good 19 AQI US |  | 75.2° 55.4° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Castaic air quality data attribution
11Contributors
- 11 Anonymous contributors
11 stations
11 Anonymous Contributors
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Castaic?
AQI US, Metric