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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 CONTRIBUTORS
Ricardo Energy & Environment
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Pollen
What is the pollen count in Harmondsworth today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Harmondsworth?
| Weather | Mist |
| Temperature | 51.8°F |
| Humidity | 92% |
| Wind | 4.6 mp/h |
| Pressure | 29.5 Hg |
live aqi city ranking
Real-time United Kingdom city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Cheltenham, England | 92 |
| 2 | Oxford, England | 86 |
| 3 | Southampton, England | 84 |
| 4 | Bedford, England | 82 |
| 5 | Iver, England | 82 |
| 6 | Luton, England | 79 |
| 7 | Nottingham, England | 77 |
| 8 | Southall, England | 76 |
| 9 | Birmingham, England | 74 |
| 10 | Leicester, England | 74 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Harmondsworth aqi ranking
Real-time Harmondsworth air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | London Hillingdon Harmondsworth | 53 |
| 2 | London Hillingdon Harmondsworth Osiris | 16 |
(local time)
SEE WORLD AQI RANKING
US AQI
53
live AQI index
Moderate
Overview
What is the current air quality in Harmondsworth?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 53 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13µg/m³ | |
| PM10 | 18.3µg/m³ | |
| NO2 | 9.2µg/m³ | |
!
PM2.5
x2.6
PM2.5 concentration in Harmondsworth is currently 2.6 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Harmondsworth?
 | 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
Harmondsworth air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Monday, Apr 29 | Good 18 AQI US  |  | 57.2° 39.2° |  15.7 mp/h |
| Tuesday, Apr 30 | Good 15 AQI US |  | 62.6° 44.6° | 13.4 mp/h |
| Wednesday, May 1 | Good 34 AQI US | | 64.4° 48.2° | 6.7 mp/h |
| Today | Moderate 53 AQI US | 100% | 59° 50° | 11.2 mp/h |
| Friday, May 3 | Good 16 AQI US | 100% | 53.6° 44.6° | 15.7 mp/h |
| Saturday, May 4 | Good 23 AQI US | 80% | 60.8° 42.8° | 4.5 mp/h |
| Sunday, May 5 | Good 19 AQI US | 100% | 53.6° 44.6° | 6.7 mp/h |
| Monday, May 6 | Good 46 AQI US | 50% | 55.4° 46.4° | 8.9 mp/h |
| Tuesday, May 7 | Moderate 60 AQI US | 50% | 59° 44.6° | 8.9 mp/h |
| Wednesday, May 8 | Moderate 60 AQI US | | 57.2° 48.2° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Harmondsworth air quality data attribution
1Contributor
- Ricardo Energy & Environment
2 stations
Corporate Contributor
1 Data source
Where is the cleanest air quality in Harmondsworth?
AQI US, Metric