Worst air pollution Grand Island, today and tomorrow
Today (16 July): Air quality in Grand Island is fair. AQI, PM2.5, PM10, NO2, and O3 are fair; SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 AM (O3: 37.6/100).
Tomorrow (17 July 2026): Air quality in Grand Island is medium. AQI improves to medium; PM2.5 decreases to good; PM10 decreases to good; NO2 decreases to medium; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 11:00 PM (NO2: 48.2/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Grand Island's air quality benefits from the flat Nebraska Platte River valley providing excellent Great Plains wind dispersal, with vehicle emissions from I-80 and the surrounding agricultural processing and manufacturing industry contributing local sources. The flat Nebraska terrain and consistent westerly prairie winds generally maintain moderate conditions, while agricultural ammonia from surrounding Nebraska farming contributes secondary particulate formation and summer regional ozone is the primary warm-season concern throughout the year.
Today - 16 July | Pollution peaks at 11:00
AQI:
Fair
37.6/100
PM2.5 (fine particles):
Fair
23.5/100
PM10 (coarse particles):
Fair
23.3/100
NO2 (nitrogen dioxide):
Fair
36.8/100
O3 (ozone):
Fair
37.6/100
SO2 (sulfur dioxide):
Good
8.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.7/100
PM1 (ultrafine particles):
Good
13.2/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 23:00
AQI:
Medium
48.2/100
PM2.5 (fine particles):
Good
16.2/100
PM10 (coarse particles):
Good
8.0/100
NO2 (nitrogen dioxide):
Medium
48.2/100
O3 (ozone):
Medium
40.4/100
SO2 (sulfur dioxide):
Good
7.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.0/100
PM1 (ultrafine particles):
Good
10.3/100
Pollen forecast in Grand Island
View pollen forecastFrequently Asked Questions
Is air quality bad in Grand Island right now?
On 16 July 2026, overall air quality in Grand Island is fair. AQI is the main air quality indicator at 37.6/100. Pollution peaks around 11:00 AM (O3: 37.6/100).
Will air quality be worse tomorrow in Grand Island?
On 17 July 2026, air quality conditions in Grand Island will be better than today, with AQI forecast at medium at 48.2/100. Pollution peaks around 11:00 PM (NO2: 48.2/100).
When is air pollution at its worst in Grand Island?
Grand Island follows a fairly predictable seasonal air quality pattern, as winter generally brings the cleanest air, aside from brief inversion episodes during calm cold spells; by contrast, summer heat waves and the dust of planting and harvest seasons are the main annual concerns. Farm-heavy surrounding land is the main source of the seasonal dust spikes.
Are air quality levels in Grand Island 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.
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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