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Air quality in Hornsby
Air quality index (AQI) and PM2.5 air pollution in Hornsby
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Hornsby Air Quality Map
Real-time Hornsby air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Hornsby today?
 | Index | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Hornsby?
| Weather | Scattered clouds |
| Temperature | 75.2°F |
| Humidity | 52% |
| Wind | 4.2 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time Australia city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Spencer Gulf, South Australia | 91 |
| 2 | Singleton, New South Wales | 61 |
| 3 | Sydney, New South Wales | 26 |
| 4 | Gladstone, Queensland | 25 |
| 5 | Townsville, Queensland | 25 |
| 6 | Newcastle, New South Wales | 24 |
| 7 | Canberra, ACT | 22 |
| 8 | Perth, Western Australia | 20 |
| 9 | Wollongong, New South Wales | 20 |
| 10 | Geelong, Victoria | 17 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Spotlight
There is a fire near Springwood. Protect yourself from wildfire smoke and follow health recommendations. Click here.
US AQI
62*
live AQI index
Moderate
Overview
What is the current air quality in Hornsby?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 62* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 17.5*µg/m³ | |
!
PM2.5
x3.5
PM2.5 concentration in Hornsby is currently 3.5 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Hornsby?
 | 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
Hornsby air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 62 AQI US | | 77° 53.6° |  4.5 mp/h |
| Tuesday, Apr 30 | Good 8 AQI US  |  90% | 62.6° 57.2° | 11.2 mp/h |
| Wednesday, May 1 | Good 6 AQI US | 70% | 62.6° 55.4° | 11.2 mp/h |
| Thursday, May 2 | Good 7 AQI US | 50% | 66.2° 53.6° | 8.9 mp/h |
| Friday, May 3 | Good 12 AQI US | 60% | 59° 55.4° | 6.7 mp/h |
| Saturday, May 4 | Good 9 AQI US | 100% | 59° 53.6° | 4.5 mp/h |
| Sunday, May 5 | Good 8 AQI US | 100% | 57.2° 53.6° | 6.7 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Hornsby?
No locations are available.
AQI US, Metric