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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 | Moderate | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Princeton?
| Weather | Few clouds |
| Temperature | 39.2°F |
| Humidity | 93% |
| Wind | 2.2 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Detroit Lakes, Minnesota | 193 |
| 2 | Apple Valley, Minnesota | 189 |
| 3 | Blaine, Minnesota | 182 |
| 4 | Minneapolis, Minnesota | 177 |
| 5 | Edina, Minnesota | 174 |
| 6 | Saint Paul, Minnesota | 173 |
| 7 | Savage, Minnesota | 171 |
| 8 | Rochester, Minnesota | 169 |
| 9 | Houghton, Michigan | 156 |
| 10 | Hot Springs, South Dakota | 153 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
28*
live AQI index
Good
Overview
What is the current air quality in Princeton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 28* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.1*µg/m³ | |
✓
PM2.5 concentration in Princeton air currently meets 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 28 AQI US |  | 71.6° 39.2° |  8.9 mp/h |
| Tuesday, May 14 | Moderate 52 AQI US  |  100% | 66.2° 51.8° | 4.5 mp/h |
| Wednesday, May 15 | Good 39 AQI US | 100% | 62.6° 55.4° | 2.2 mp/h |
| Thursday, May 16 | Good 50 AQI US | | 71.6° 51.8° | 4.5 mp/h |
| Friday, May 17 | Moderate 76 AQI US | 100% | 71.6° 55.4° | 8.9 mp/h |
| Saturday, May 18 | Moderate 76 AQI US | 90% | 68° 51.8° | 6.7 mp/h |
| Sunday, May 19 | Moderate 80 AQI US |  | 75.2° 48.2° | 11.2 mp/h |
Interested in hourly forecast? Get the app
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