AddAir quality in Walnut
Air quality index (AQI⁺) and PM2.5 air pollution in Walnut • 11 Followers • 07:00, Jul 17 Local time
125*
US AQI⁺Unhealthy for sensitive groups
Main pollutant:
PM2.5
45.4 µg/m³
24°
11 km/h
91 %
Hourly forecast
Walnut air quality index (AQI⁺) forecast
Daily forecast
Walnut air quality index (AQI⁺) forecast
| Today | 104 | | 31° 22° |  21 km/h | 79% |
| Sat | 66 |  | 33° 22° | 28 km/h | 74% |
| Sun | 128 | | 28° 17° | 12 km/h | 78% |
Air pollutants
What is the current air quality in Walnut?
PM2.5 concentration is currently 9.1 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Reduce outdoor exercise |
 Close your windows to avoid dirty outdoor air Get a monitor |
 Sensitive groups should wear a mask outdoors Get a mask |
 Run an air purifier Get an air purifier |
Protect yourself from air pollution in Walnut
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 Walnut today?
Index
High
 Tree None | 0% |
 Grass Moderate | 50% |
 Weed High | 75% |
Source:
wetter.comHealth recommendations
Reduce outdoor exercise |
Close your windows to avoid dirty outdoor air Get a monitor |
Sensitive groups should wear a mask outdoors Get a mask |
Run an air purifier Get an air purifier |
Pollen
What is the pollen count in Walnut today?
Index
High
Tree None | 0% |
Grass Moderate | 50% |
Weed High | 75% |
Source:
wetter.comProtect yourself from air pollution in Walnut
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 Walnut
Worldwide AQI⁺ ranking
Historic air quality near Walnut
History
Historic air quality graph for Walnut
Historic air quality near Walnut
History
Historic air quality graph for Walnut
Most polluted locations near Walnut
Worldwide AQI⁺ ranking
