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Air quality in Harefield
Air quality index (AQI) and PM2.5 air pollution in Harefield
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Harefield Air Quality Map
Real-time Harefield air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Harefield today?
 | Index | High | |
 | Tree pollen | High | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Harefield?
| Weather | Clear sky |
| Temperature | 62.6°F |
| Humidity | 72% |
| Wind | 4.6 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time United Kingdom city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Leicester, England | 71 |
| 2 | Cardiff, Wales | 68 |
| 3 | Hayes, England | 66 |
| 4 | Iver, England | 66 |
| 5 | Edgware, England | 64 |
| 6 | Teddington, England | 64 |
| 7 | Cambridge, England | 63 |
| 8 | Greenhill, England | 63 |
| 9 | Nottingham, England | 63 |
| 10 | Harlington, England | 62 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
63*
live AQI index
Moderate
Overview
What is the current air quality in Harefield?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 63* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 15.6*µg/m³ | |
!
PM2.5
x3.1
PM2.5 concentration in Harefield is currently 3.1 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Harefield?
 | 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
Harefield air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 63 AQI US |  20% | 66.2° 50° |  4.5 mp/h |
| Friday, May 10 | Moderate 74 AQI US |  | 68° 51.8° | 6.7 mp/h |
| Saturday, May 11 | Moderate 78 AQI US | | 69.8° 50° | 8.9 mp/h |
| Sunday, May 12 | Moderate 65 AQI US | 100% | 69.8° 53.6° | 8.9 mp/h |
| Monday, May 13 | Good 42 AQI US  | 100% | 60.8° 50° | 15.7 mp/h |
| Tuesday, May 14 | Good 8 AQI US | 60% | 59° 48.2° | 15.7 mp/h |
| Wednesday, May 15 | Good 13 AQI US | 80% | 59° 44.6° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Harefield?
No locations are available.
AQI US, Metric