Winter Air Quality Updates Home | Archived Winter Air Quality Updates

Winter Air Quality Update & Forecast
Monday, March 16, 2015 3:02 PM

Locations and Air Quality Conditions


Current Situation Forecast
Strong winds and unsettled weather have created GOOD air quality across the state today. This unsettled weather is expected to continue through Wednesday evening. Many locations can expect breezy conditions, cloud cover, and scattered precipitation. Throughout this period, most locations can expect to see GOOD air quality. Some valleys may see moderate conditions during the overnight hours with good clearing during the day. A ridge of high pressure is expected to build in beginning on Thursday and lasting through the early part of the weekend. During this time, air quality impacts may return to some valleys, especially during the early morning hours.

This site will be updated again when air quality impacts return.

Kristen Martin
State Air Quality Meteorologist
Air Resource Management Bureau
Montana Department of Environmental Quality
Phone: (406) 444-0283
Email: kmartin@mt.gov




It is a cloudy day in most locations of western Montana today, as unsettled weather moves through the region. 

It is a cloudy day in most locations of western Montana today, as unsettled weather moves through the region.
Source: USFS

 
Cloudy skies are covering most locations of western Montana today.

Cloudy skies are covering most locations of western Montana today.
Source: NWS

Moderate ventilation is expected in many areas today.

Moderate ventilation is expected in many areas today.

Source: University of Washington 

The unsettled weather will remain over Montana for the next two days.

The unsettled weather will remain over Montana for the next two days.
Source: NOAA

Real time particulate information is currently available in most of the larger urban areas from MDEQ's Today's Air website.

Today's particulate report below compares particulate levels received from DEQ's
reporting stations with MDEQ’s wildfire health advisory levels.

Locations and severity of PM 2.5 particulate values since midnight of the date above.
Health Effects Categories City
  Hazardous  
  Very Unhealthy  
  Unhealthy  
  Unhealthy for Sensitive Groups  
  Moderate

  

  Good

 All reporting sites. 

B1(x) One-hour BAM value (number of values)
B8(x) Eight-hour average BAM
B24 24 hour  average BAM value