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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 | Clear sky |
| Temperature | 77°F |
| Humidity | 51% |
| Wind | 4.9 mp/h |
| Pressure | 29.7 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Thibodaux, Louisiana | 111 |
| 2 | Yucaipa, California | 86 |
| 3 | San Bernardino, California | 82 |
| 4 | La Crescenta-Montrose, California | 80 |
| 5 | Hammond, Indiana | 79 |
| 6 | Indio, California | 77 |
| 7 | New Orleans, Louisiana | 75 |
| 8 | Claremont, California | 74 |
| 9 | Fontana, California | 74 |
| 10 | Redlands, California | 72 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
58*
live AQI index
Moderate
Overview
What is the current air quality in Princeton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 58* 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 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 58 AQI US | | 80.6° 59° |  11.2 mp/h |
| Saturday, May 18 | Moderate 65 AQI US |  | 78.8° 60.8° | 11.2 mp/h |
| Sunday, May 19 | Moderate 66 AQI US |  90% | 78.8° 60.8° | 15.7 mp/h |
| Monday, May 20 | Moderate 67 AQI US | 100% | 84.2° 66.2° | 22.4 mp/h |
| Tuesday, May 21 | Moderate 69 AQI US | 100% | 66.2° 51.8° | 15.7 mp/h |
| Wednesday, May 22 | Good 21 AQI US  | | 68° 46.4° | 11.2 mp/h |
| Thursday, May 23 | Good 13 AQI US | | 73.4° 53.6° | 11.2 mp/h |
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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