Be the first to measure and contribute air quality data to your community
Air Quality 
Air Purifiers
For Business
News
Support
Air quality in Harmondsworth
Air quality index (AQI) and PM2.5 air pollution in Harmondsworth
39 people follow this city
Harmondsworth Air Quality Map
Real-time Harmondsworth air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Harmondsworth today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Harmondsworth?
| Weather | Clear sky |
| Temperature | 59°F |
| Humidity | 63% |
| Wind | 5.7 mp/h |
| Pressure | 29.7 Hg |
live aqi city ranking
Real-time United Kingdom city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Edinburgh, Scotland | 63 |
| 2 | Aberdeen, Scotland | 58 |
| 3 | Motherwell, Scotland | 57 |
| 4 | Dundee, Scotland | 55 |
| 5 | Coatbridge, Scotland | 54 |
| 6 | Cardiff, Wales | 53 |
| 7 | West End of London, England | 44 |
| 8 | Glasgow, Scotland | 40 |
| 9 | Bradford, England | 37 |
| 10 | Falkirk, Scotland | 36 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
33*
live AQI index
Good
Overview
What is the current air quality in Harmondsworth?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 33* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6*µg/m³ | |
| PM10 | 10*µg/m³ | |
| NO2 | 10.2*µg/m³ | |
!
PM2.5
x1.2
PM2.5 concentration in Harmondsworth is currently 1.2 times the WHO annual air quality guideline value
Forecast
Harmondsworth air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 33 AQI US |  | 66.2° 51.8° |  11.2 mp/h |
| Thursday, May 16 | Moderate 52 AQI US  |  90% | 60.8° 51.8° | 4.5 mp/h |
| Friday, May 17 | Good 33 AQI US | | 66.2° 48.2° | 6.7 mp/h |
| Saturday, May 18 | Moderate 51 AQI US | 100% | 62.6° 51.8° | 6.7 mp/h |
| Sunday, May 19 | Moderate 59 AQI US | 30% | 64.4° 50° | 8.9 mp/h |
| Monday, May 20 | Moderate 62 AQI US | | 59° 48.2° | 8.9 mp/h |
| Tuesday, May 21 | Moderate 54 AQI US |  | 64.4° 44.6° | 4.5 mp/h |
Interested in hourly forecast? Get the app
How to best protect from air pollution?
Where is the cleanest air quality in Harmondsworth?
No locations are available.
Connect With IQAir
Sign up for our newsletter
AQI US, Metric