and then 
to Add to home screen Colfax
Rise 5:37AM
Set 8:30PM
Reporting Station : Grass Valley, CA
There is
1 Weather Alert
for your area.
1 Weather Alert
for your area.
70°F
Clear. Mild.
- 53%
- 0 mphN
-
53%
Humidity -
52°F
Dew Point -
70°F
Comfort Level -
10 mi
Visibility -
30.05 in
Barometric Pressure - Air Quality
Waxing crescent
Rise12:36PM
Set1:06AM
THURSDAY EVENING
SMF / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Grass Valley | 70 ppb |  Moderate |
| Woodland | 47 ppb |  Good |
| Colfax | 55 ppb | Moderate |
| Lassen Volcanic NP | 60 ppb | Moderate |
| Sparks | 60 ppb | Moderate |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 12 Jun | Particulates smaller than 2.5 microns | 53 ppb | Moderate |
| 13 Jun | Particulates smaller than 2.5 microns | 39 ppb | Good |
| 14 Jun | Ozone | 64 ppb | Moderate |
| 15 Jun | Ozone | 45 ppb | Good |
| 16 Jun | Ozone | 64 ppb | Moderate |
| 17 Jun | Ozone | 42 ppb | Good |
| 18 Jun | Ozone | 47 ppb | Good |
Western Nevada County
Cool
Unhealthy for Sensitive GroupsAuburn
Rise 5:37AM
Set 8:30PM
Waxing crescent
Rise12:36PM
Set1:06AM
THURSDAY EVENING
SMF / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 14 Jun Friday | Good |
well-mixed atmosphere, low pressure |
| 15 Jun Saturday | Good |
well-mixed atmosphere, low pressure |
| 16 Jun Sunday | Good |
well-mixed atmosphere, low pressure |
| 17 Jun Monday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 18 Jun Tuesday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 19 Jun Wednesday | Good |
well-mixed atmosphere, low pressure |
| 20 Jun Thursday | Good |
well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 13 Jun Evening | Good |
well-mixed atmosphere, low pressure |
| 14 Jun Night | Good |
well-mixed atmosphere, low pressure |
| 14 Jun Morning | Good |
well-mixed atmosphere, low pressure |
| 14 Jun Afternoon | Good |
well-mixed atmosphere, low pressure |
| 14 Jun Evening | Good |
well-mixed atmosphere, low pressure |
| 15 Jun Night | Good |
cold temperatures, well-mixed atmosphere, low pressure |
| 15 Jun Morning | Good |
well-mixed atmosphere, low pressure |
| 15 Jun Afternoon | Good |
well-mixed atmosphere, low pressure |