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Air quality in Princeton
Air quality index (AQI) and PM2.5 air pollution in Princeton
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Princeton Air Quality Map
Real-time Princeton air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Princeton today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Moderate | |
 | Weed pollen | None |
Weather
What is the current weather in Princeton?
| Weather | Rain |
| Temperature | 66.2°F |
| Humidity | 94% |
| Wind | 5.7 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Three Rivers, California | 90 |
| 2 | Springville, California | 88 |
| 3 | Jasper, Indiana | 80 |
| 4 | Lake Arrowhead, California | 71 |
| 5 | Chapel Hill, North Carolina | 65 |
| 6 | Greensboro, North Carolina | 65 |
| 7 | Raleigh, North Carolina | 65 |
| 8 | The Woodlands, Texas | 65 |
| 9 | Altadena, California | 62 |
| 10 | Cary, North Carolina | 62 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
55*
live AQI index
Moderate
Overview
What is the current air quality in Princeton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 55* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 14.1*µg/m³ | |
!
PM2.5
x2.8
PM2.5 concentration in Princeton is currently 2.8 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Princeton?
 | 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
Princeton air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 55 AQI US |  80% | 75.2° 60.8° |  8.9 mp/h |
| Saturday, Apr 20 | Good 50 AQI US  | 100% | 62.6° 46.4° | 11.2 mp/h |
| Sunday, Apr 21 | Good 48 AQI US |  | 60.8° 44.6° | 8.9 mp/h |
| Monday, Apr 22 | Good 32 AQI US |  | 68° 44.6° | 6.7 mp/h |
| Tuesday, Apr 23 | Good 43 AQI US | | 73.4° 51.8° | 13.4 mp/h |
| Wednesday, Apr 24 | Good 40 AQI US | | 62.6° 44.6° | 8.9 mp/h |
| Thursday, Apr 25 | Good 28 AQI US | | 68° 44.6° | 6.7 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Princeton?
No locations are available.
AQI US, Metric