Worst air pollution Poplar Place - Grandview, Illinois, today and tomorrow
Today (20 September): Air quality in Poplar Place is fair. AQI, PM2.5, NO2, O3, and PM1 are fair; PM10, SO2, CO, and HCHO are good. Pollution peaks around 6:00 PM (NO2: 32.2/100).
Tomorrow (21 September 2026): Air quality in Poplar Place is moderate. AQI worsens to moderate; NO2 increases to moderate; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 7:00 PM (NO2: 40.5/100). 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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In Poplar Place, occasional vehicle traffic and open farmland nearby mean particulate matter here comes more from dust and seasonal field work than congestion. Trees and green space some 435m from here provide a partial buffer, catching particulate matter before it spreads further. Conditions on any given day depend heavily on wind speed and direction locally.
Today - 20 September | Pollution peaks at 18:00
AQI:
Fair
32.2/100
PM2.5 (fine particles):
Fair
27.3/100
PM10 (coarse particles):
Good
18.2/100
NO2 (nitrogen dioxide):
Fair
32.2/100
O3 (ozone):
Fair
26.9/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
3.2/100
PM1 (ultrafine particles):
Fair
20.7/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 19:00
AQI:
Moderate
40.5/100
PM2.5 (fine particles):
Fair
25.4/100
PM10 (coarse particles):
Good
16.5/100
NO2 (nitrogen dioxide):
Moderate
40.5/100
O3 (ozone):
Fair
31.4/100
SO2 (sulfur dioxide):
Good
2.0/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
5.1/100
PM1 (ultrafine particles):
Good
19.4/100
Other Landmarks in Grandview, Illinois
Frequently Asked Questions
Is air quality bad in Poplar Place right now?
On 20 September 2026, overall air quality in Poplar Place is fair. AQI is the main air quality indicator at 32.2/100. Pollution peaks around 6:00 PM (NO2: 32.2/100).
Will air quality be worse tomorrow in Poplar Place?
On 21 September 2026, air quality conditions in Poplar Place will be worse than today, with AQI forecast at moderate at 40.5/100. Pollution peaks around 7:00 PM (NO2: 40.5/100).
When is air pollution at its worst in Poplar Place?
Winter is usually when particulate matter climbs highest locally, when wood-burning and furnace use rise just as calm, cold air traps the smoke locally. By summer, ozone becomes the more pressing issue in this area, as sunlight and heat combine to form ozone, with occasional smoke drift adding to the load. Spring and fall typically bring a welcome improvement, as milder temperatures and better wind flow clear the air.
Are air quality levels in Poplar Place 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 20 September 2026 at 20:27 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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