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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
4 Anonymous contributors
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Pollen
What is the pollen count in Diamond Bar today?
 | Index | Moderate | |
 | Tree pollen | Low | |
 | Grass pollen | Moderate | |
 | Weed pollen | Low |
Weather
What is the current weather in Diamond Bar?
| Weather | Clear sky |
| Temperature | 62.6°F |
| Humidity | 81% |
| Wind | 5.7 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Jacksonville, Oregon | 199 |
| 2 | Williams, Oregon | 197 |
| 3 | Talent, Oregon | 179 |
| 4 | Medford, Oregon | 176 |
| 5 | Yreka, California | 175 |
| 6 | Central Point, Oregon | 174 |
| 7 | Eagle Point, Oregon | 174 |
| 8 | Grants Pass, Oregon | 167 |
| 9 | Ashland, Oregon | 165 |
| 10 | Phoenix, Oregon | 161 |
(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 Diamond Bar Boulevard 1 | 99 |
| 2 | North Diamond Bar Boulevard | 95 |
| 3 | Tolani Court | 95 |
| 4 | Copley Drive 1 | 91 |
(local time)
SEE WORLD AQI RANKING
Spotlight
Rialto has "Unhealthy for Sensitive Groups" air quality. See the map and health recommendations.
US AQI
95
live AQI index
Moderate
Overview
What is the current air quality in Diamond Bar?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 95 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 33.3µg/m³ | |
!
PM2.5
x6.7
PM2.5 concentration in Diamond Bar is currently 6.7 times the WHO annual air quality guideline value
Health Recommendations
How to protect from air pollution in Diamond Bar?
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should reduce outdoor exercise |
News
The latest air quality news and resources.
Forecast
Diamond Bar air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, Sep 20 | Moderate 73 AQI US |  | 73.4° 62.6° |  8.9 mp/h |
| Thursday, Sep 21 | Moderate 77 AQI US | | 73.4° 62.6° | 11.2 mp/h |
| Friday, Sep 22 | Moderate 93 AQI US |  | 80.6° 62.6° | 6.7 mp/h |
| Today | Moderate 95 AQI US | | 80.6° 62.6° | 6.7 mp/h |
| Sunday, Sep 24 | Moderate 57 AQI US | | 82.4° 62.6° | 8.9 mp/h |
| Monday, Sep 25 | Good 42 AQI US  | | 82.4° 64.4° | 8.9 mp/h |
| Tuesday, Sep 26 | Good 26 AQI US | | 82.4° 64.4° | 6.7 mp/h |
| Wednesday, Sep 27 | Good 17 AQI US | | 84.2° 68° | 6.7 mp/h |
| Thursday, Sep 28 | Good 17 AQI US | | 78.8° 66.2° | 8.9 mp/h |
| Friday, Sep 29 | Good 17 AQI US |  | 77° 64.4° | 8.9 mp/h |
Interested in hourly forecast? Get the app
Historical
Historic air quality graph for Diamond Bar
How to best protect from air pollution?
Diamond Bar air quality data attribution
4Contributors
- 4 Anonymous contributors
4 stations
4 Anonymous
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Diamond Bar?
AQI US, Metric