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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 | Shower rain |
| Temperature | 89.6°F |
| Humidity | 57% |
| Wind | 11.5 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  La Habra, California | 91 |
| 2 | San Bernardino, California | 90 |
| 3 | Claremont, California | 88 |
| 4 | Downey, California | 86 |
| 5 | Fontana, California | 84 |
| 6 | Pomona, California | 80 |
| 7 | San Gabriel, California | 79 |
| 8 | Monterey Park, California | 77 |
| 9 | Redlands, California | 77 |
| 10 | Riverside, California | 77 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
60*
live AQI index
Moderate
Overview
What is the current air quality in Princeton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 60* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 14*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 60 AQI US |  | 91.4° 73.4° |  17.9 mp/h |
| Sunday, May 12 | Moderate 55 AQI US |  | 91.4° 73.4° | 13.4 mp/h |
| Monday, May 13 | Moderate 54 AQI US | | 87.8° 77° | 13.4 mp/h |
| Tuesday, May 14 | Moderate 55 AQI US | | 87.8° 78.8° | 15.7 mp/h |
| Wednesday, May 15 | Moderate 57 AQI US | | 93.2° 78.8° | 13.4 mp/h |
| Thursday, May 16 | Moderate 56 AQI US | 70% | 91.4° 78.8° | 15.7 mp/h |
| Friday, May 17 | Moderate 60 AQI US | 90% | 89.6° 77° | 13.4 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