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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
Weather
What is the current weather in Old Greenwich?
| Weather | Clear sky |
| Temperature | 48.2°F |
| Humidity | 82% |
| Wind | 5 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Blaine, Minnesota | 180 |
| 2 | Detroit Lakes, Minnesota | 173 |
| 3 | Houghton, Michigan | 154 |
| 4 | Fort Thompson, South Dakota | 152 |
| 5 | Edina, Minnesota | 142 |
| 6 | Duluth, Minnesota | 137 |
| 7 | Minneapolis, Minnesota | 132 |
| 8 | Saint Paul, Minnesota | 111 |
| 9 | Hot Springs, South Dakota | 94 |
| 10 | Downey, California | 87 |
(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 | 7.7µg/m³ | |
| O3 | 0µg/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 |
|---|---|---|---|---|
| Thursday, May 9 | Good 16 AQI US |  | 59° 48.2° |  17.9 mp/h |
| Friday, May 10 | Good 19 AQI US |  | 55.4° 46.4° | 8.9 mp/h |
| Saturday, May 11 | Good 18 AQI US | | 53.6° 48.2° | 6.7 mp/h |
| Today | Good 23 AQI US |  | 64.4° 46.4° | 13.4 mp/h |
| Monday, May 13 | Good 27 AQI US | 100% | 66.2° 53.6° | 13.4 mp/h |
| Tuesday, May 14 | Good 17 AQI US | 100% | 59° 57.2° | 8.9 mp/h |
| Wednesday, May 15 | Good 42 AQI US | | 68° 55.4° | 8.9 mp/h |
| Thursday, May 16 | Moderate 57 AQI US  | 60% | 66.2° 59° | 11.2 mp/h |
| Friday, May 17 | Moderate 60 AQI US | 100% | 69.8° 57.2° | 8.9 mp/h |
| Saturday, May 18 | Good 45 AQI US |  | 75.2° 57.2° | 8.9 mp/h |
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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