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Air quality in Diamond Bar
Air quality index (AQI) and PM2.5 air pollution in Diamond Bar
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Diamond Bar Air Quality Map
Real-time Diamond Bar air pollution map
AIR QUALITY DATA CONTRIBUTORS
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Pollen
What is the pollen count in Diamond Bar today?
 | Index | Low | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | Low |
Source: tomorrow.io
Weather
What is the current weather in Diamond Bar?
| Weather | Clear sky |
| Temperature | 71.6°F |
| Humidity | 66% |
| Wind | 3.4 mph |
| Pressure | 29.9 inHg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Duchesne, Utah | 209 |
| 2 | Salmon, Idaho | 170 |
| 3 | Big Sky, Montana | 153 |
| 4 | El Paso, Texas | 150 |
| 5 | Saratoga Springs, Utah | 124 |
| 6 | Tustin, California | 95 |
| 7 | Vernal, Utah | 90 |
| 8 | Oakridge, Oregon | 87 |
| 9 | Bozeman, Montana | 83 |
| 10 | Apex, North Carolina | 81 |
(Local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Diamond Bar aqi ranking
Real-time Diamond Bar air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | North Rock River Drive | 180 |
| 2 | Copley Drive 1 | 68 |
| 3 | True Grit Place | 65 |
| 4 | North Diamond Bar Boulevard | 62 |
| 5 | Valley Vista Drive 1701 Cliffbranch Drive, Diamond Bar | 62 |
| 6 | Tolani Court | 57 |
(Local time)
SEE WORLD AQI RANKING
Spotlight
Rancho Santa Margarita has "Unhealthy" air quality. See the map and health recommendations.
US AQI
62
live AQI index
Moderate
Overview
What is the current air quality in Diamond Bar?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 62 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 14.8µg/m³ | |
!
PM2.5
x3
PM2.5 concentration in Diamond Bar is currently 3 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Diamond Bar?
 | 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
Diamond Bar air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, Oct 2 | Moderate 67 AQI US |  | 89.6° 73.4° |  6.7 mph |
| Thursday, Oct 3 | Moderate 71 AQI US |  | 87.8° 69.8° | 6.7 mph |
| Friday, Oct 4 | Moderate 78 AQI US | | 89.6° 69.8° | 8.9 mph |
| Today | Moderate 62 AQI US | | 95° 73.4° | 8.9 mph |
| Sunday, Oct 6 | Moderate 67 AQI US | | 93.2° 75.2° | 8.9 mph |
| Monday, Oct 7 | Moderate 65 AQI US | | 91.4° 73.4° | 6.7 mph |
| Tuesday, Oct 8 | Good 50 AQI US  | | 89.6° 71.6° | 6.7 mph |
| Wednesday, Oct 9 | Good 49 AQI US | | 87.8° 73.4° | 6.7 mph |
| Thursday, Oct 10 | Good 47 AQI US | | 82.4° 69.8° | 6.7 mph |
| Friday, Oct 11 | Good 33 AQI US | | 86° 68° | 8.9 mph |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Diamond Bar?
AQI US, Metric