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Air quality in Old Greenwich
Air quality index (AQI) and PM2.5 air pollution in Old Greenwich
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Old Greenwich Air Quality Map
Real-time Old Greenwich air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Old Greenwich today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Old Greenwich?
| Weather | Clear sky |
| Temperature | 44.6°F |
| Humidity | 65% |
| Wind | 6 mp/h |
| Pressure | 30.4 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Barstow, California | 102 |
| 2 | Casa Grande, Arizona | 76 |
| 3 | Gatlinburg, Tennessee | 75 |
| 4 | Keeler, California | 73 |
| 5 | Arroyo Grande, California | 70 |
| 6 | Chattanooga, Tennessee | 70 |
| 7 | Chandler, Arizona | 69 |
| 8 | Gilbert, Arizona | 69 |
| 9 | Corpus Christi, Texas | 67 |
| 10 | Tampa, Florida | 66 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Old Greenwich aqi ranking
Real-time Old Greenwich air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Greenwich | 14 |
(local time)
SEE WORLD AQI RANKING
US AQI
14
live AQI index
Good
Overview
What is the current air quality in Old Greenwich?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 14 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.4µg/m³ | |
| PM10 | 9.9µg/m³ | |
| O3 | 0.1µg/m³ | |
✓
PM2.5 concentration in Old Greenwich air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Old Greenwich?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Old Greenwich air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Tuesday, Apr 23 | Good 21 AQI US |  | 62.6° 48.2° |  13.4 mp/h |
| Wednesday, Apr 24 | Good 12 AQI US |  | 50° 39.2° | 13.4 mp/h |
| Thursday, Apr 25 | Good 21 AQI US |  | 53.6° 41° | 8.9 mp/h |
| Today | Good 14 AQI US | 90% | 57.2° 44.6° | 13.4 mp/h |
| Saturday, Apr 27 | Good 24 AQI US | 100% | 66.2° 48.2° | 8.9 mp/h |
| Sunday, Apr 28 | Moderate 60 AQI US  | 60% | 73.4° 57.2° | 8.9 mp/h |
| Monday, Apr 29 | Moderate 60 AQI US | 100% | 55.4° 48.2° | 11.2 mp/h |
| Tuesday, Apr 30 | Moderate 62 AQI US | 100% | 55.4° 46.4° | 13.4 mp/h |
| Wednesday, May 1 | Moderate 57 AQI US | | 68° 50° | 13.4 mp/h |
| Thursday, May 2 | Moderate 59 AQI US | | 69.8° 57.2° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Old Greenwich air quality data attribution
1 Data source
Where is the cleanest air quality in Old Greenwich?
AQI US, Metric