AddAir quality in Mercer Island
Air quality index (AQI⁺) and PM2.5 air pollution in Mercer Island • 9.1K Followers • 18:00, Apr 23 Local time
31
US AQI⁺Good
Main pollutant:
PM2.5
5.7 µg/m³
11°
5 km/h
79 %
Hourly forecast
Mercer Island air quality index (AQI⁺) forecast
Daily forecast
Mercer Island air quality index (AQI⁺) forecast
| Today | 31 |  | 12° 8° |  20 km/h | 64% |
| Fri | 15 |  | 15° 7° | 18 km/h | 56% |
| Sat | 20 | | 16° 8° | 15 km/h | 53% |
Air pollutants
What is the current air quality in Mercer Island?
PM2.5 concentration is currently 1.1 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in Mercer Island
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 Mercer Island today?
Index
High
 Tree Low | 25% |
 Grass High | 75% |
 Weed Low | 25% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in Mercer Island today?
Index
High
Tree Low | 25% |
Grass High | 75% |
Weed Low | 25% |
Source:
wetter.comProtect yourself from air pollution in Mercer Island
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 Mercer Island
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in Mercer Island
Historic air quality near Mercer Island
History
Historic air quality graph for Mercer Island
Historic air quality near Mercer Island
History
Historic air quality graph for Mercer Island
Most polluted locations near Mercer Island
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in Mercer Island
Measure your own air quality
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