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Air quality in Herald
Air quality index (AQI) and PM2.5 air pollution in Herald
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Herald Air Quality Map
Real-time Herald air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Herald today?
 | Index | Very high | |
 | Tree pollen | Low | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Herald?
| Weather | Broken clouds |
| Temperature | 57.2°F |
| Humidity | 77% |
| Wind | 4.2 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Corpus Christi, Texas | 99 |
| 2 | Mecca, California | 93 |
| 3 | Pahrump, Nevada | 84 |
| 4 | Glendora, California | 76 |
| 5 | Palm Desert, California | 76 |
| 6 | Yucaipa, California | 74 |
| 7 | Rancho Cucamonga, California | 73 |
| 8 | Fontana, California | 69 |
| 9 | Claremont, California | 68 |
| 10 | Redlands, California | 68 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
51*
live AQI index
Moderate
Overview
What is the current air quality in Herald?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 51* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9.1*µg/m³ | |
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PM2.5
x1.8
PM2.5 concentration in Herald is currently 1.8 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Herald?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Herald air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 51 AQI US | | 87.8° 55.4° |  8.9 mp/h |
| Monday, Jun 3 | Good 34 AQI US  | | 82.4° 59° | 13.4 mp/h |
| Tuesday, Jun 4 | Good 37 AQI US |  | 100.4° 57.2° | 13.4 mp/h |
| Wednesday, Jun 5 | Good 47 AQI US | | 102.2° 64.4° | 11.2 mp/h |
| Thursday, Jun 6 | Moderate 76 AQI US | | 95° 60.8° | 11.2 mp/h |
| Friday, Jun 7 | Moderate 79 AQI US | | 100.4° 55.4° | 8.9 mp/h |
| Saturday, Jun 8 | Moderate 80 AQI US | | 93.2° 53.6° | 13.4 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Herald?
No locations are available.
AQI US, Metric