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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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Princeton?
| Weather | Broken clouds |
| Temperature | 69.8°F |
| Humidity | 78% |
| Wind | 20.7 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Corpus Christi, Texas | 62 |
| 2 | Harrisburg, Pennsylvania | 60 |
| 3 | Kalamazoo, Michigan | 60 |
| 4 | Emmetsburg, Iowa | 57 |
| 5 | The Woodlands, Texas | 57 |
| 6 | Elizabethtown, Pennsylvania | 56 |
| 7 | Lancaster, Pennsylvania | 56 |
| 8 | Hammond, Indiana | 55 |
| 9 | Marana, Arizona | 55 |
| 10 | Carlisle, Pennsylvania | 54 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
52*
live AQI index
Moderate
Overview
What is the current air quality in Princeton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 52* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.7*µg/m³ | |
!
PM2.5
x2.5
PM2.5 concentration in Princeton is currently 2.5 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 |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier DISCOVER ATEM CAR |
Forecast
Princeton air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 52 AQI US |  100% | 69.8° 60.8° |  20.1 mp/h |
| Monday, Apr 29 | Good 43 AQI US  | 100% | 68° 53.6° | 17.9 mp/h |
| Tuesday, Apr 30 | Good 11 AQI US | 70% | 73.4° 48.2° | 11.2 mp/h |
| Wednesday, May 1 | Good 41 AQI US | 100% | 77° 62.6° | 13.4 mp/h |
| Thursday, May 2 | Moderate 54 AQI US | 100% | 75.2° 64.4° | 15.7 mp/h |
| Friday, May 3 | Moderate 60 AQI US | 100% | 73.4° 60.8° | 11.2 mp/h |
| Saturday, May 4 | Good 9 AQI US | 100% | 66.2° 46.4° | 20.1 mp/h |
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Where is the cleanest air quality in Princeton?
No locations are available.
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AQI US, Metric