Worst air pollution Deadwood, today and tomorrow
Today (16 July): Air quality in Deadwood is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 AM (O3: 37.5/100).
Tomorrow (17 July 2026): Air quality in Deadwood is fair. All pollutants stay as today. Pollution peaks around 11:00 PM (NO2: 36.1/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Deadwood's air quality is shaped largely by Black Hills forest air; pine-forested hills generally keep air quality good. Overall, Deadwood sees air quality that tracks fairly closely with typical conditions for its wider region. As with most US destinations, conditions here are best understood by season rather than by a single yearly average.
Today - 16 July | Pollution peaks at 07:00
AQI:
Fair
37.5/100
PM2.5 (fine particles):
Good
19.3/100
PM10 (coarse particles):
Good
9.8/100
NO2 (nitrogen dioxide):
Fair
25.4/100
O3 (ozone):
Fair
37.5/100
SO2 (sulfur dioxide):
Good
5.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.0/100
PM1 (ultrafine particles):
Good
17.3/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 23:00
AQI:
Fair
36.1/100
PM2.5 (fine particles):
Good
16.9/100
PM10 (coarse particles):
Good
6.8/100
NO2 (nitrogen dioxide):
Fair
36.1/100
O3 (ozone):
Fair
30.7/100
SO2 (sulfur dioxide):
Good
5.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.3/100
PM1 (ultrafine particles):
Good
15.3/100
Pollen forecast in Deadwood
View pollen forecastFrequently Asked Questions
Is air quality bad in Deadwood right now?
On 16 July 2026, overall air quality in Deadwood is fair. AQI is the main air quality indicator at 37.5/100. Pollution peaks around 7:00 AM (O3: 37.5/100).
Will air quality be worse tomorrow in Deadwood?
On 17 July 2026, air quality conditions in Deadwood will be similar to today, with AQI forecast at fair at 36.1/100. Pollution peaks around 11:00 PM (NO2: 36.1/100).
When is air pollution at its worst in Deadwood?
Deadwood's air quality follows a clear seasonal pattern. Typically, winter generally brings the cleanest air, aside from brief inversion episodes during calm cold spells, while summer heat and humidity drive ozone formation, and agricultural dust can spike particulate levels during planting and harvest. Wide-open terrain generally helps disperse pollution quickly once the wind picks up.
Are air quality levels in Deadwood based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
Want to see air quality forecasts for other cities in United States?
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app