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Air quality in Monrovia
Air quality index (AQI) and PM2.5 air pollution in Monrovia
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Monrovia Air Quality Map
Real-time Monrovia air pollution map
AIR QUALITY DATA CONTRIBUTORS
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Pollen
What is the pollen count in Monrovia today?
 | Index | High | |
 | Tree pollen | High | |
 | Grass pollen | None | |
 | Weed pollen | None |
Weather
What is the current weather in Monrovia?
| Weather | Few clouds |
| Temperature | 69.8°F |
| Humidity | 53% |
| Wind | 9 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Yucaipa, California | 78 |
| 2 | Lake Arrowhead, California | 77 |
| 3 | Three Rivers, California | 75 |
| 4 | South Gate, California | 72 |
| 5 | Greensboro, North Carolina | 70 |
| 6 | San Gabriel, California | 69 |
| 7 | Corpus Christi, Texas | 68 |
| 8 | Redlands, California | 68 |
| 9 | The Woodlands, Texas | 68 |
| 10 | Altadena, California | 67 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Monrovia aqi ranking
Real-time Monrovia air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | West Chestnut Avenue | 70 |
| 2 | California Avenue | 68 |
| 3 | North Mountain Avenue | 66 |
| 4 | South Mayflower Avenue | 64 |
| 5 | NASA Leafwood Drive | 60 |
| 6 | NASA -256 North Myrtle Avenue | 55 |
(local time)
SEE WORLD AQI RANKING
Spotlight
Rubidoux has "Unhealthy for Sensitive Groups" air quality. See the map and health recommendations.
US AQI
66
live AQI index
Moderate
Overview
What is the current air quality in Monrovia?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 66 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 19.1µg/m³ | |
!
PM2.5
x3.8
PM2.5 concentration in Monrovia is currently 3.8 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Monrovia?
 | 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
Monrovia air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Tuesday, Apr 16 | Good 24 AQI US  | | 78.8° 60.8° |  6.7 mp/h |
| Wednesday, Apr 17 | Good 50 AQI US |  | 75.2° 60.8° | 8.9 mp/h |
| Thursday, Apr 18 | Moderate 52 AQI US | | 71.6° 57.2° | 8.9 mp/h |
| Thursday, Apr 18 | Good 42 AQI US | | 71.6° 57.2° | 8.9 mp/h |
| Today | Moderate 66 AQI US |  | 78.8° 57.2° | 6.7 mp/h |
| Saturday, Apr 20 | Good 46 AQI US | | 84.2° 64.4° | 6.7 mp/h |
| Sunday, Apr 21 | Good 50 AQI US | | 77° 60.8° | 8.9 mp/h |
| Monday, Apr 22 | Good 27 AQI US | | 71.6° 57.2° | 8.9 mp/h |
| Tuesday, Apr 23 | Good 15 AQI US | | 68° 53.6° | 8.9 mp/h |
| Wednesday, Apr 24 | Good 17 AQI US | | 71.6° 55.4° | 8.9 mp/h |
| Thursday, Apr 25 | Good 17 AQI US |  20% | 64.4° 53.6° | 6.7 mp/h |
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News
The latest air quality news and resources.
Monrovia air quality data attribution
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Monrovia?
AQI US, Metric