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 Winchester
Air quality index (AQI) and PM2.5 air pollution in Winchester
10.6K people follow this city
Winchester Air Quality Map
Real-time Winchester air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Winchester today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Winchester?
| Weather | Broken clouds |
| Temperature | 53.6°F |
| Humidity | 74% |
| Wind | 5.7 mp/h |
| Pressure | 30.3 Hg |
live aqi city ranking
Real-time United Kingdom city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Port Talbot, Wales | 88 |
| 2 | Chorley, England | 78 |
| 3 | Pontypridd, Wales | 68 |
| 4 | Cardiff, Wales | 58 |
| 5 | Dundee, Scotland | 55 |
| 6 | Scunthorpe, England | 55 |
| 7 | Edinburgh, Scotland | 53 |
| 8 | Pudsey, England | 53 |
| 9 | West End of London, England | 53 |
| 10 | York, England | 53 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
31*
live AQI index
Good
Overview
What is the current air quality in Winchester?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 31* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.6*µg/m³ | |
| NO2 | 11.5*µg/m³ | |
!
PM2.5
x1.1
PM2.5 concentration in Winchester is currently 1.1 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Winchester?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Winchester air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Sunday, Jun 2 | Good 31 AQI US | | 60.8° 44.6° |  15.7 mp/h |
| Monday, Jun 3 | Good 39 AQI US |  | 66.2° 42.8° | 11.2 mp/h |
| Tuesday, Jun 4 | Good 28 AQI US | | 62.6° 50° | 6.7 mp/h |
| Wednesday, Jun 5 | Good 25 AQI US | | 64.4° 50° | 15.7 mp/h |
| Thursday, Jun 6 | Good 17 AQI US | | 59° 44.6° | 11.2 mp/h |
| Friday, Jun 7 | Good 11 AQI US | | 59° 41° | 6.7 mp/h |
| Saturday, Jun 8 | Good 13 AQI US |  20% | 60.8° 42.8° | 6.7 mp/h |
| Sunday, Jun 9 | Good 20 AQI US | | 62.6° 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 Winchester?
No locations are available.
AQI US, Metric