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Air quality in Horley
Air quality index (AQI) and PM2.5 air pollution in Horley
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Horley Air Quality Map
Real-time Horley air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Horley today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Horley?
| Weather | Clear sky |
| Temperature | 66.2°F |
| Humidity | 49% |
| Wind | 10.4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time United Kingdom city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  City of Westminster, England | 77 |
| 2 | City of London, England | 71 |
| 3 | Cardiff, Wales | 69 |
| 4 | Hackney, England | 69 |
| 5 | Battersea, England | 68 |
| 6 | Croydon, England | 68 |
| 7 | Bexley, England | 66 |
| 8 | Bethnal Green, England | 62 |
| 9 | Brixton Hill, England | 62 |
| 10 | Canary Wharf, England | 62 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
54*
live AQI index
Moderate
Overview
What is the current air quality in Horley?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 54* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11*µg/m³ | |
| NO2 | 7.4*µg/m³ | |
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PM2.5
x2.2
PM2.5 concentration in Horley is currently 2.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Horley?
 | 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
Horley air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 54 AQI US |  40% | 66.2° 46.4° |  8.9 mp/h |
| Tuesday, May 21 | Good 50 AQI US  | 70% | 59° 48.2° | 6.7 mp/h |
| Wednesday, May 22 | Moderate 57 AQI US | 70% | 60.8° 50° | 13.4 mp/h |
| Thursday, May 23 | Good 33 AQI US | 50% | 59° 46.4° | 6.7 mp/h |
| Friday, May 24 | Good 26 AQI US | 30% | 62.6° 48.2° | 4.5 mp/h |
| Saturday, May 25 | Moderate 69 AQI US | 20% | 64.4° 46.4° | 6.7 mp/h |
| Sunday, May 26 | Moderate 65 AQI US | 80% | 59° 50° | 4.5 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 Horley?
No locations are available.
AQI US, Metric