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Air quality in Alton
Air quality index (AQI) and PM2.5 air pollution in Alton
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Alton Air Quality Map
Real-time Alton air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Alton today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Alton?
| Weather | Clear sky |
| Temperature | 59°F |
| Humidity | 97% |
| Wind | 0 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Palm Desert, California | 137 |
| 2 | Coachella, California | 95 |
| 3 | Mecca, California | 86 |
| 4 | Shreveport, Louisiana | 84 |
| 5 | Yucaipa, California | 82 |
| 6 | Baton Rouge, Louisiana | 81 |
| 7 | Banning, California | 76 |
| 8 | Campo, California | 72 |
| 9 | Claremont, California | 72 |
| 10 | St Louis, Missouri | 71 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
66*
live AQI index
Moderate
Overview
What is the current air quality in Alton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 66* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 17.4*µg/m³ | |
!
PM2.5
x3.5
PM2.5 concentration in Alton is currently 3.5 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Alton?
 | 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
Alton air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 66 AQI US |  70% | 69.8° 59° |  11.2 mp/h |
| Friday, May 17 | Moderate 57 AQI US | 100% | 71.6° 59° | 4.5 mp/h |
| Saturday, May 18 | Moderate 60 AQI US |  | 80.6° 59° | 4.5 mp/h |
| Sunday, May 19 | Moderate 63 AQI US |  | 84.2° 64.4° | 6.7 mp/h |
| Monday, May 20 | Moderate 69 AQI US |  | 84.2° 66.2° | 11.2 mp/h |
| Tuesday, May 21 | Moderate 74 AQI US | 60% | 86° 68° | 20.1 mp/h |
| Wednesday, May 22 | Moderate 56 AQI US | 90% | 71.6° 59° | 15.7 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 Alton?
No locations are available.
AQI US, Metric