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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 | Moderate | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Alton?
| Weather | Clear sky |
| Temperature | 59°F |
| Humidity | 95% |
| Wind | 4.5 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Casa Grande, Arizona | 91 |
| 2 | Lancaster, California | 85 |
| 3 | Princeton, New Jersey | 82 |
| 4 | Trenton, New Jersey | 74 |
| 5 | San Antonio, Texas | 73 |
| 6 | Boerne, Texas | 72 |
| 7 | Mecca, California | 72 |
| 8 | Reston, Virginia | 71 |
| 9 | New York City, New York | 70 |
| 10 | Barstow, California | 64 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
20*
live AQI index
Good
Overview
What is the current air quality in Alton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 20* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.7*µg/m³ | |
✓
PM2.5 concentration in Alton air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Alton?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Alton air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 20 AQI US |  | 77° 55.4° |  6.7 mp/h |
| Wednesday, May 1 | Good 38 AQI US |  | 82.4° 59° | 6.7 mp/h |
| Thursday, May 2 | Good 47 AQI US |  100% | 73.4° 59° | 11.2 mp/h |
| Friday, May 3 | Good 44 AQI US | 100% | 71.6° 60.8° | 6.7 mp/h |
| Saturday, May 4 | Moderate 70 AQI US  | 100% | 71.6° 55.4° | 8.9 mp/h |
| Sunday, May 5 | Moderate 63 AQI US | 30% | 75.2° 59° | 4.5 mp/h |
| Monday, May 6 | Moderate 57 AQI US | 100% | 69.8° 55.4° | 4.5 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Alton?
No locations are available.
AQI US, Metric