Be the first to measure and contribute air quality data to your community
Air Quality 
Air Purifiers
For Business
News
Support
Air quality in Princeton
Air quality index (AQI) and PM2.5 air pollution in Princeton
135 people follow this city
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 | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Princeton?
| Weather | Broken clouds |
| Temperature | 73.4°F |
| Humidity | 46% |
| Wind | 8.1 mp/h |
| Pressure | 30.3 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Oklahoma City, Oklahoma | 87 |
| 2 | Orcutt, California | 83 |
| 3 | Edmond, Oklahoma | 79 |
| 4 | San Antonio, Texas | 73 |
| 5 | Boerne, Texas | 69 |
| 6 | Corpus Christi, Texas | 66 |
| 7 | Lawrence, Kansas | 66 |
| 8 | Leavenworth, Kansas | 66 |
| 9 | Tulsa, Oklahoma | 66 |
| 10 | Kansas City, Missouri | 62 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Spotlight
There is a fire near Atkins. Protect yourself from wildfire smoke and follow health recommendations. Click here.
US AQI
48*
live AQI index
Good
Overview
What is the current air quality in Princeton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 48* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.5*µg/m³ | |
!
PM2.5
x2.3
PM2.5 concentration in Princeton is currently 2.3 times the WHO annual air quality guideline value
Forecast
Princeton air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 48 AQI US | | 73.4° 51.8° |  8.9 mp/h |
| Sunday, Apr 28 | Good 48 AQI US |  | 77° 50° | 6.7 mp/h |
| Monday, Apr 29 | Good 30 AQI US | | 78.8° 51.8° | 4.5 mp/h |
| Tuesday, Apr 30 | Good 29 AQI US |  100% | 64.4° 50° | 8.9 mp/h |
| Wednesday, May 1 | Good 41 AQI US | 20% | 73.4° 48.2° | 8.9 mp/h |
| Thursday, May 2 | Moderate 68 AQI US  | 70% | 77° 55.4° | 6.7 mp/h |
| Friday, May 3 | Moderate 78 AQI US | 100% | 64.4° 55.4° | 6.7 mp/h |
Interested in hourly forecast? Get the app
Where is the cleanest air quality in Princeton?
No locations are available.
Connect With IQAir
Sign up for our newsletter
AQI US, Metric