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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 |
Source: tomorrow.io
Weather
What is the current weather in Princeton?
| Weather | Broken clouds |
| Temperature | 73.4°F |
| Humidity | 100% |
| Wind | 9.7 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Casa Grande, Arizona | 86 |
| 2 | Port Arthur, Texas | 80 |
| 3 | Georgetown, Texas | 75 |
| 4 | Austin, Texas | 71 |
| 5 | San Antonio, Texas | 69 |
| 6 | New Braunfels, Texas | 66 |
| 7 | New York City, New York | 66 |
| 8 | Boerne, Texas | 63 |
| 9 | Marana, Arizona | 61 |
| 10 | Columbus, Ohio | 60 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
34*
live AQI index
Good
Overview
What is the current air quality in Princeton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 34* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 8.3*µg/m³ | |
!
PM2.5
x1.7
PM2.5 concentration in Princeton is currently 1.7 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 34 AQI US |  100% | 73.4° 62.6° |  8.9 mp/h |
| Tuesday, May 7 | Good 50 AQI US | 100% | 77° 64.4° | 15.7 mp/h |
| Wednesday, May 8 | Good 34 AQI US | 100% | 82.4° 66.2° | 13.4 mp/h |
| Thursday, May 9 | Good 29 AQI US | 100% | 73.4° 55.4° | 20.1 mp/h |
| Friday, May 10 | Good 15 AQI US |  | 64.4° 48.2° | 11.2 mp/h |
| Saturday, May 11 | Good 18 AQI US | 100% | 69.8° 46.4° | 8.9 mp/h |
| Sunday, May 12 | Good 23 AQI US | | 71.6° 50° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Princeton?
No locations are available.
AQI US, Metric