Wordsmyth
In the Starting Line-Up
- Joined
- Aug 29, 2012
- Messages
- 3,640
- Reaction score
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Registered Members experience this forum ad and noise-free.
CLICK HERE to Register for a free account and login for a smoother ad-free experience. It's easy, and only takes a few moments.| When the AQI is in this range: | ..air quality conditions are: | ...as symbolized by this color: |
|---|---|---|
| Air Quality Index (AQI) Values | Levels of Health Concern | Colors |
| 0 to 50 | Good | Green |
| 51 to 100 | Moderate | Yellow |
| 101 to 150 | Unhealthy for Sensitive Groups | Orange |
| 151 to 200 | Unhealthy | Red |
| 201 to 300 | Very Unhealthy | Purple |
| 301 to 500 | Hazardous | Maroon |
A plague.
A dark cloud of smoke.
What's next? Locusts? Frogs?
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