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 Harefield
Air quality index (AQI) and PM2.5 air pollution in Harefield
4 people follow this city
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 | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Harefield?
| Weather | Rain |
| Temperature | 55.4°F |
| Humidity | 90% |
| Wind | 5.7 mp/h |
| Pressure | 29.6 Hg |
live aqi city ranking
Real-time United Kingdom city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Scunthorpe, England | 65 |
| 2 | Cambridge, England | 57 |
| 3 | Bedford, England | 55 |
| 4 | Wetherby, England | 55 |
| 5 | Leeds, England | 50 |
| 6 | Bradford, England | 47 |
| 7 | Reading, England | 46 |
| 8 | York, England | 45 |
| 9 | Birmingham, England | 44 |
| 10 | Luton, England | 43 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
55*
live AQI index
Moderate
Overview
What is the current air quality in Harefield?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 55* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13.9*µg/m³ | |
!
PM2.5
x2.8
PM2.5 concentration in Harefield is currently 2.8 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 55 AQI US | 100% | 57.2° 46.4° |  6.7 mp/h |
| Tuesday, May 7 | Moderate 58 AQI US | 60% | 62.6° 46.4° | 8.9 mp/h |
| Wednesday, May 8 | Moderate 58 AQI US |  | 66.2° 44.6° | 4.5 mp/h |
| Thursday, May 9 | Moderate 65 AQI US | 50% | 66.2° 51.8° | 4.5 mp/h |
| Friday, May 10 | Moderate 67 AQI US | | 68° 53.6° | 4.5 mp/h |
| Saturday, May 11 | Moderate 62 AQI US | 50% | 68° 53.6° | 8.9 mp/h |
| Sunday, May 12 | Moderate 67 AQI US | | 68° 51.8° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Harefield?
No locations are available.
AQI US, Metric