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Air quality in Castle Hills
Air quality index (AQI) and PM2.5 air pollution in Castle Hills
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Castle Hills Air Quality Map
Real-time Castle Hills air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Castle Hills today?
 | Index | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Castle Hills?
| Weather | Broken clouds |
| Temperature | 87.8°F |
| Humidity | 68% |
| Wind | 16.1 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Boerne, Texas | 96 |
| 2 | Austin, Texas | 87 |
| 3 | New Braunfels, Texas | 84 |
| 4 | San Antonio, Texas | 81 |
| 5 | Georgetown, Texas | 79 |
| 6 | Cedar Park, Texas | 77 |
| 7 | Round Rock, Texas | 73 |
| 8 | Pahrump, Nevada | 71 |
| 9 | Leander, Texas | 70 |
| 10 | San Fernando, California | 70 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
74*
live AQI index
Moderate
Overview
What is the current air quality in Castle Hills?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 74* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 21.3*µg/m³ | |
!
PM2.5
x4.3
PM2.5 concentration in Castle Hills is currently 4.3 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Castle Hills?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Castle Hills air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 74 AQI US |  100% | 96.8° 69.8° |  15.7 mp/h |
| Sunday, Jun 2 | Moderate 58 AQI US | 100% | 100.4° 73.4° | 20.1 mp/h |
| Monday, Jun 3 | Moderate 57 AQI US | | 102.2° 73.4° | 15.7 mp/h |
| Tuesday, Jun 4 | Moderate 58 AQI US | | 102.2° 77° | 15.7 mp/h |
| Wednesday, Jun 5 | Moderate 63 AQI US | 30% | 100.4° 73.4° | 13.4 mp/h |
| Thursday, Jun 6 | Moderate 75 AQI US | | 98.6° 73.4° | 13.4 mp/h |
| Friday, Jun 7 | Moderate 80 AQI US | 20% | 100.4° 73.4° | 13.4 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Castle Hills?
No locations are available.
AQI US, Metric