AddAir quality in Herndon
Air quality index (AQI⁺) and PM2.5 air pollution in Herndon • 3.6K Followers • 14:00, Apr 19 Local time
16
US AQI⁺Good
Main pollutant:
PM2.5
2.9 µg/m³
11°
14 km/h
61 %
Hourly forecast
Herndon air quality index (AQI⁺) forecast
Daily forecast
Herndon air quality index (AQI⁺) forecast
| Today | 15 | | 15° 9° |  43 km/h | 62% |
| Mon | 20 | | 11° 6° | 27 km/h | 43% |
| Tue | 15 |  | 14° 0° | 17 km/h | 36% |
Air pollutants
What is the current air quality in Herndon?
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 |
Pollen
What is the pollen count in Herndon today?
Index
Moderate
 Tree Low | 25% |
 Grass Moderate | 50% |
 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 Herndon today?
Index
Moderate
Tree Low | 25% |
Grass Moderate | 50% |
Weed Low | 25% |
Source:
wetter.comMost polluted locations near Herndon
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in Herndon
Historic air quality near Herndon
History
Historic air quality graph for Herndon
Historic air quality near Herndon
History
Historic air quality graph for Herndon
Most polluted locations near Herndon
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in Herndon
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