AddAir quality in Walnut
Air quality index (AQI⁺) and PM2.5 air pollution in Walnut • 11 Followers • 04:00, May 18 Local time
27*
US AQI⁺Good
Main pollutant:
PM2.5
4.9 µg/m³
22°
23 km/h
82 %
Hourly forecast
Walnut air quality index (AQI⁺) forecast
Daily forecast
Walnut air quality index (AQI⁺) forecast
| Today | 39 |  | 28° 19° |  38 km/h | 79% |
| Tue | 58 |  | 24° 12° | 33 km/h | 74% |
| Wed | 23 |  | 17° 7° | 21 km/h | 58% |
Air pollutants
What is the current air quality in Walnut?
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 |
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
Moderate
 Tree Moderate | 50% |
 Grass Low | 25% |
 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 Walnut today?
Index
Moderate
Tree Moderate | 50% |
Grass Low | 25% |
Weed Low | 25% |
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
