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Hourly forecast
Princeton Heights, St. Louis air quality index (AQI⁺) forecast
Daily forecast
Princeton Heights, St. Louis air quality index (AQI⁺) forecast
| Today | 14 |  | 23° 17° |  13 km/h |  80% |
| Sat | 16 |  | 24° 13° | 17 km/h | 65% |
| Sun | 19 | | 24° 10° | 22 km/h | 67% |
Air pollutants
What is the current air quality near Princeton Heights?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Real-time Princeton Heights, St. Louis air pollution map
Pollen
What is the pollen count in Princeton Heights today?
Index
Moderate
 Tree Moderate | 50% |
 Grass None | 0% |
 Weed None | 0% |
Source:
wetter.comProtect yourself from air pollution in Princeton Heights
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Pollen
What is the pollen count in Princeton Heights today?
Index
Moderate
Tree Moderate | 50% |
Grass None | 0% |
Weed None | 0% |
Source:
wetter.comHistoric air quality near Princeton Heights
History
Historic air quality graph for Princeton Heights
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Most polluted locations near Princeton Heights, St. Louis
Worldwide AQI⁺ ranking
Station ranking
Real-time Princeton Heights AQI⁺ station ranking
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