Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Hornsby
Air quality index (AQI) and PM2.5 air pollution in Hornsby
29.8K people follow this city
Hornsby Air Quality Map
Real-time Hornsby air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Weather
What is the current weather in Hornsby?
| Weather | Broken clouds |
| Temperature | 75.2°F |
| Humidity | 51% |
| Wind | 7 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Australia city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Spencer Gulf, South Australia | 61 |
| 2 | Townsville, Queensland | 46 |
| 3 | Gladstone, Queensland | 41 |
| 4 | Perth, Western Australia | 24 |
| 5 | Canberra, ACT | 23 |
| 6 | Wollongong, New South Wales | 19 |
| 7 | Singleton, New South Wales | 15 |
| 8 | Gold Coast, Queensland | 13 |
| 9 | Millthorpe, New South Wales | 13 |
| 10 | Bathurst, New South Wales | 12 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
7*
live AQI index
Good
Overview
What is the current air quality in Hornsby?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 7* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 1.7*µg/m³ | |
✓
PM2.5 concentration in Hornsby air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Hornsby?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Hornsby air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 7 AQI US | | 75.2° 55.4° |  13.4 mp/h |
| Thursday, Apr 25 | Good 19 AQI US |  | 64.4° 51.8° | 6.7 mp/h |
| Friday, Apr 26 | Good 8 AQI US |  | 66.2° 48.2° | 6.7 mp/h |
| Saturday, Apr 27 | Good 24 AQI US | | 68° 50° | 6.7 mp/h |
| Sunday, Apr 28 | Moderate 57 AQI US  |  40% | 73.4° 53.6° | 6.7 mp/h |
| Monday, Apr 29 | Moderate 53 AQI US | 40% | 77° 53.6° | 2.2 mp/h |
| Tuesday, Apr 30 | Good 32 AQI US | 100% | 60.8° 57.2° | 13.4 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Hornsby?
No locations are available.
AQI US, Metric