Be the first to measure and contribute air quality data to your community
Air Quality 
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 | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Harefield?
| Weather | Broken clouds |
| Temperature | 55.4°F |
| Humidity | 93% |
| Wind | 6 mp/h |
| Pressure | 29.5 Hg |
live aqi city ranking
Real-time United Kingdom city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Edinburgh, Scotland | 101 |
| 2 | Glasgow, Scotland | 94 |
| 3 | Dundee, Scotland | 87 |
| 4 | Motherwell, Scotland | 86 |
| 5 | Grangemouth, Scotland | 73 |
| 6 | Aberdeen, Scotland | 65 |
| 7 | Bradford, England | 57 |
| 8 | Birmingham, England | 54 |
| 9 | Luton, England | 48 |
| 10 | Leicester, England | 46 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
30*
live AQI index
Good
Overview
What is the current air quality in Harefield?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 30* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.4*µg/m³ | |
!
PM2.5
x1.1
PM2.5 concentration in Harefield is currently 1.1 times the WHO annual air quality guideline value
Forecast
Harefield air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 30 AQI US | | 64.4° 51.8° |  8.9 mp/h |
| Thursday, May 16 | Good 49 AQI US |  100% | 57.2° 50° | 6.7 mp/h |
| Friday, May 17 | Good 35 AQI US | 50% | 64.4° 46.4° | 6.7 mp/h |
| Saturday, May 18 | Moderate 51 AQI US  | 90% | 60.8° 50° | 8.9 mp/h |
| Sunday, May 19 | Moderate 71 AQI US | 100% | 62.6° 46.4° | 11.2 mp/h |
| Monday, May 20 | Moderate 64 AQI US | 70% | 55.4° 48.2° | 8.9 mp/h |
| Tuesday, May 21 | Moderate 53 AQI US | 90% | 64.4° 44.6° | 6.7 mp/h |
Interested in hourly forecast? Get the app
How to best protect from air pollution?
Where is the cleanest air quality in Harefield?
No locations are available.
Connect With IQAir
Sign up for our newsletter
AQI US, Metric