Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Rialto
Air quality index (AQI) and PM2.5 air pollution in Rialto
2.1K people follow this city
Rialto Air Quality Map
Real-time Rialto air pollution map
AIR QUALITY DATA CONTRIBUTORS
Rialto Unified School District
See all
Pollen
What is the pollen count in Rialto today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Rialto?
| Weather | Mist |
| Temperature | 73.4°F |
| Humidity | 57% |
| Wind | 6.9 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Thibodaux, Louisiana | 107 |
| 2 | Baton Rouge, Louisiana | 94 |
| 3 | San Bernardino, California | 89 |
| 4 | Indio, California | 85 |
| 5 | Yucaipa, California | 84 |
| 6 | Chicago, Illinois | 80 |
| 7 | Michigan City, Indiana | 79 |
| 8 | Fontana, California | 77 |
| 9 | Burns Harbor, Indiana | 76 |
| 10 | Claremont, California | 76 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Rialto aqi ranking
Real-time Rialto air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Simpson Elementary School | 141 |
(local time)
SEE WORLD AQI RANKING
US AQI
141
live AQI index
Unhealthy for sensitive groups
Overview
What is the current air quality in Rialto?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Unhealthy for sensitive groups | 141 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 52µg/m³ | |
!
PM2.5
x10.4
PM2.5 concentration in Rialto is currently 10.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Rialto?
 | Reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Run an air purifier GET AN AIR PURIFIER |
Forecast
Rialto air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Tuesday, May 14 | Moderate 76 AQI US  |  | 73.4° 55.4° |  6.7 mp/h |
| Wednesday, May 15 | Moderate 69 AQI US |  | 77° 57.2° | 6.7 mp/h |
| Thursday, May 16 | Moderate 91 AQI US | | 75.2° 57.2° | 6.7 mp/h |
| Today | Unhealthy for sensitive groups 141 AQI US | | 75.2° 57.2° | 6.7 mp/h |
| Saturday, May 18 | Good 41 AQI US  | | 77° 57.2° | 8.9 mp/h |
| Sunday, May 19 | Good 38 AQI US | | 77° 53.6° | 8.9 mp/h |
| Monday, May 20 | Moderate 59 AQI US |  | 69.8° 53.6° | 8.9 mp/h |
| Tuesday, May 21 | Good 32 AQI US | | 78.8° 53.6° | 8.9 mp/h |
| Wednesday, May 22 | Good 31 AQI US | | 77° 57.2° | 8.9 mp/h |
| Thursday, May 23 | Moderate 65 AQI US | | 71.6° 53.6° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Rialto air quality data attribution
1Contributor
- Rialto Unified School District
1 station
Educational Contributor
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Rialto?
AQI US, Metric