AddAir quality in St. Mary's County
Air quality index (AQI⁺) and PM2.5 air pollution in St. Mary's County • 18:00, Jun 12
52
US AQI⁺Moderate
Main pollutant:
PM2.5
9.5 µg/m³
35°
6 km/h
44 %
Hourly forecast
St. Mary's County air quality index (AQI⁺) forecast
Daily forecast
St. Mary's County air quality index (AQI⁺) forecast
| Today | 52 |  | 36° 23° |  15 km/h | 64% |
| Sat | 51 | | 29° 22° | 15 km/h | 52% |
| Sun | 47 |  | 31° 22° | 19 km/h | 74% |
Air pollutants
What is the current air quality in St. Mary's County?
PM2.5 concentration is currently 1.9 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 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 |
Protect yourself from air pollution in St. Mary's County
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Pollen
What is the pollen count in St. Mary's County today?
Index
Moderate
 Tree Low | 25% |
 Grass Moderate | 50% |
 Weed None | 0% |
Source:
wetter.comHealth recommendations
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 |
Pollen
What is the pollen count in St. Mary's County today?
Index
Moderate
Tree Low | 25% |
Grass Moderate | 50% |
Weed None | 0% |
Source:
wetter.comProtect yourself from air pollution in St. Mary's County
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Most polluted locations near St. Mary's County
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in St. Mary's County
Historic air quality near St. Mary's County
History
Historic air quality graph for St. Mary's County
Historic air quality near St. Mary's County
History
Historic air quality graph for St. Mary's County
Most polluted locations near St. Mary's County
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in St. Mary's County
Measure your own air quality
Get a monitor and contribute air quality data in your city.
Learn more about global air quality
Where is the cleanest air quality in St. Mary's County?
- LHS Right Side Sensor22
- CPCS Front Sensor36
- New Market Turner Road46
- LHS Front Sensor48
- PHES Front Right Sensor48
- CES Right Side Sensor51
- CHS Back Sensor51
- DES Front Sensor51
- MBMS Back51
- CPCS Left Sensor52
- Carver School Boulevard52
- LMS Back Sensor52
- New Market Turner Road 252
- OES Back Sensor52
- PHES Back Right Sensor52
- PHES Front Left Sensor52
- OES Front Right Sensor53
- BES Front Sensor54
- DES Back Sensor54
- MBMS Front Sensor54
- MBMS Back Sensor56
