Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Crystal Lake
Air quality index (AQI) and PM2.5 air pollution in Crystal Lake
289 people follow this city
Crystal Lake Air Quality Map
Real-time Crystal Lake air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Crystal Lake today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Crystal Lake?
| Weather | Broken clouds |
| Temperature | 64.4°F |
| Humidity | 90% |
| Wind | 4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Tonasket, Washington | 100 |
| 2 | Nampa, Idaho | 79 |
| 3 | Corpus Christi, Texas | 66 |
| 4 | The Woodlands, Texas | 65 |
| 5 | Buffalo, New York | 61 |
| 6 | Harrisburg, Pennsylvania | 61 |
| 7 | Carlisle, Pennsylvania | 59 |
| 8 | Cleveland, Ohio | 59 |
| 9 | Allentown, Pennsylvania | 58 |
| 10 | Austin, Texas | 58 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
46*
live AQI index
Good
Overview
What is the current air quality in Crystal Lake?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 46* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.1*µg/m³ | |
!
PM2.5
x2.2
PM2.5 concentration in Crystal Lake is currently 2.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Crystal Lake?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Crystal Lake air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Monday, Apr 29 | Good 42 AQI US |  100% | 66.2° 48.2° |  15.7 mp/h |
| Tuesday, Apr 30 | Good 12 AQI US |  | 68° 42.8° | 11.2 mp/h |
| Wednesday, May 1 | Good 26 AQI US | 100% | 69.8° 55.4° | 13.4 mp/h |
| Thursday, May 2 | Moderate 53 AQI US  | 100% | 69.8° 51.8° | 13.4 mp/h |
| Friday, May 3 | Moderate 72 AQI US | 100% | 71.6° 53.6° | 15.7 mp/h |
| Saturday, May 4 | Good 25 AQI US | 30% | 60.8° 46.4° | 17.9 mp/h |
| Sunday, May 5 | Good 10 AQI US | | 66.2° 48.2° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Crystal Lake?
No locations are available.
AQI US, Metric