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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 | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Princeton?
| Weather | Broken clouds |
| Temperature | 77°F |
| Humidity | 100% |
| Wind | 16.3 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Corpus Christi, Texas | 62 |
| 2 | Harrisburg, Pennsylvania | 62 |
| 3 | Lancaster, Pennsylvania | 59 |
| 4 | The Woodlands, Texas | 59 |
| 5 | Carlisle, Pennsylvania | 58 |
| 6 | Elizabethtown, Pennsylvania | 58 |
| 7 | Galveston, Texas | 58 |
| 8 | Kalamazoo, Michigan | 57 |
| 9 | Allentown, Pennsylvania | 55 |
| 10 | Ann Arbor, Michigan | 52 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
46*
live AQI index
Good
Overview
What is the current air quality in Princeton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 46* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.1*µg/m³ | |
!
PM2.5
x2.2
PM2.5 concentration in Princeton is currently 2.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Princeton?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Princeton air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 46 AQI US | | 78.8° 62.6° |  15.7 mp/h |
| Monday, Apr 29 | Good 50 AQI US |  100% | 68° 62.6° | 11.2 mp/h |
| Tuesday, Apr 30 | Good 42 AQI US | 100% | 77° 57.2° | 4.5 mp/h |
| Wednesday, May 1 | Good 46 AQI US | | 80.6° 59° | 4.5 mp/h |
| Thursday, May 2 | Moderate 60 AQI US  | 60% | 82.4° 62.6° | 11.2 mp/h |
| Friday, May 3 | Moderate 67 AQI US | 100% | 71.6° 64.4° | 17.9 mp/h |
| Saturday, May 4 | Good 48 AQI US | 100% | 68° 50° | 8.9 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