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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 | High | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Princeton?
| Weather | Scattered clouds |
| Temperature | 73.4°F |
| Humidity | 44% |
| Wind | 9.2 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Indio, California | 119 |
| 2 | Palm Desert, California | 94 |
| 3 | San Antonio, Texas | 75 |
| 4 | Georgetown, Texas | 71 |
| 5 | Austin, Texas | 69 |
| 6 | Coachella, California | 68 |
| 7 | Boerne, Texas | 65 |
| 8 | Corpus Christi, Texas | 65 |
| 9 | Round Rock, Texas | 63 |
| 10 | New Braunfels, Texas | 62 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
43*
live AQI index
Good
Overview
What is the current air quality in Princeton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 43* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10.4*µg/m³ | |
!
PM2.5
x2.1
PM2.5 concentration in Princeton is currently 2.1 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 43 AQI US |  | 73.4° 53.6° |  13.4 mp/h |
| Friday, Apr 26 | Good 44 AQI US | | 71.6° 48.2° | 11.2 mp/h |
| Saturday, Apr 27 | Good 25 AQI US | | 66.2° 53.6° | 8.9 mp/h |
| Sunday, Apr 28 | Good 41 AQI US |  | 77° 53.6° | 8.9 mp/h |
| Monday, Apr 29 | Good 49 AQI US | | 82.4° 59° | 8.9 mp/h |
| Tuesday, Apr 30 | Moderate 73 AQI US  | | 82.4° 60.8° | 11.2 mp/h |
| Wednesday, May 1 | Moderate 61 AQI US |  30% | 78.8° 64.4° | 8.9 mp/h |
| Thursday, May 2 | Moderate 73 AQI US | 100% | 82.4° 64.4° | 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