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Air quality in Herndon
Air quality index (AQI) and PM2.5 air pollution in Herndon
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Herndon Air Quality Map
Real-time Herndon air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Herndon today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Herndon?
| Weather | Few clouds |
| Temperature | 71.6°F |
| Humidity | 65% |
| Wind | 4.6 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Corpus Christi, Texas | 63 |
| 2 | Marana, Arizona | 61 |
| 3 | Detroit, Michigan | 59 |
| 4 | Kalamazoo, Michigan | 58 |
| 5 | Hammond, Indiana | 57 |
| 6 | The Woodlands, Texas | 55 |
| 7 | Burns Harbor, Indiana | 54 |
| 8 | Dundalk, Maryland | 54 |
| 9 | Harrisburg, Pennsylvania | 54 |
| 10 | Washington, D.C., District of Columbia | 54 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
40*
live AQI index
Good
Overview
What is the current air quality in Herndon?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 40* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9.7*µg/m³ | |
!
PM2.5
x1.9
PM2.5 concentration in Herndon is currently 1.9 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Herndon?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Herndon air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 40 AQI US | | 80.6° 51.8° |  6.7 mp/h |
| Monday, Apr 29 | Moderate 51 AQI US  |  50% | 86° 59° | 6.7 mp/h |
| Tuesday, Apr 30 | Good 48 AQI US | 40% | 82.4° 57.2° | 8.9 mp/h |
| Wednesday, May 1 | Good 46 AQI US |  | 75.2° 59° | 8.9 mp/h |
| Thursday, May 2 | Good 48 AQI US | | 77° 53.6° | 6.7 mp/h |
| Friday, May 3 | Moderate 64 AQI US | | 78.8° 51.8° | 8.9 mp/h |
| Saturday, May 4 | Moderate 77 AQI US | 100% | 80.6° 62.6° | 8.9 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Herndon?
No locations are available.
AQI US, Metric