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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 | 62.6°F |
| Humidity | 66% |
| Wind | 5.7 mp/h |
| Pressure | 29.6 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Georgetown, Texas | 160 |
| 2 | New Braunfels, Texas | 155 |
| 3 | Round Rock, Texas | 152 |
| 4 | Austin, Texas | 148 |
| 5 | San Antonio, Texas | 147 |
| 6 | Boerne, Texas | 142 |
| 7 | Leander, Texas | 130 |
| 8 | Midlothian, Texas | 121 |
| 9 | Little Rock, Arkansas | 103 |
| 10 | Mecca, California | 81 |
(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 | 23 |
(local time)
SEE WORLD AQI RANKING
US AQI
23
live AQI index
Good
Overview
What is the current air quality in Old Greenwich?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 23 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.1µg/m³ | |
| PM10 | 17.6µg/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 |
|---|---|---|---|---|
| Monday, May 6 | Good 44 AQI US |  | 71.6° 57.2° |  6.7 mp/h |
| Tuesday, May 7 | Good 50 AQI US |  | 78.8° 59° | 15.7 mp/h |
| Wednesday, May 8 | Good 45 AQI US | | 66.2° 55.4° | 8.9 mp/h |
| Today | Good 23 AQI US | 60% | 66.2° 55.4° | 8.9 mp/h |
| Friday, May 10 | Good 20 AQI US | 100% | 55.4° 48.2° | 15.7 mp/h |
| Saturday, May 11 | Good 13 AQI US | 100% | 51.8° 42.8° | 13.4 mp/h |
| Sunday, May 12 | Good 14 AQI US | 100% | 55.4° 46.4° | 6.7 mp/h |
| Monday, May 13 | Good 38 AQI US | | 64.4° 50° | 11.2 mp/h |
| Tuesday, May 14 | Good 50 AQI US | 60% | 68° 57.2° | 17.9 mp/h |
| Wednesday, May 15 | Moderate 51 AQI US  | 100% | 60.8° 57.2° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Old Greenwich air quality data attribution
1 Data source
Where is the cleanest air quality in Old Greenwich?
AQI US, Metric