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Air Quality / Columbus

Columbus

Indiana — EPA AirNow monitoring station

Current AQI (PM2.5)
31
Good
9/5/2026, 1:00:00 PM

Recent Readings

TimePollutantAQICategoryType
9/5/2026, 1:00:00 PMPM2.531Goodobservation
9/5/2026, 12:00:00 PMPM2.531Goodobservation
9/5/2026, 11:00:00 AMPM2.536Goodobservation
9/5/2026, 10:00:00 AMPM2.533Goodobservation
9/5/2026, 9:00:00 AMPM2.528Goodobservation
9/5/2026, 8:00:00 AMPM2.526Goodobservation
9/5/2026, 7:00:00 AMPM2.526Goodobservation
9/5/2026, 6:00:00 AMPM2.536Goodobservation
9/5/2026, 5:00:00 AMPM2.538Goodobservation
9/5/2026, 4:00:00 AMPM2.530Goodobservation
9/5/2026, 3:00:00 AMPM2.530Goodobservation
9/5/2026, 2:00:00 AMPM2.533Goodobservation
9/5/2026, 1:00:00 AMPM2.531Goodobservation
9/5/2026, 12:00:00 AMPM2.526Goodobservation
9/4/2026, 11:00:00 PMPM2.534Goodobservation
9/4/2026, 10:00:00 PMPM2.536Goodobservation
9/4/2026, 9:00:00 PMPM2.540Goodobservation
9/4/2026, 8:00:00 PMPM2.543Goodobservation
9/4/2026, 7:00:00 PMPM2.544Goodobservation
9/4/2026, 6:00:00 PMPM2.533Goodobservation
9/4/2026, 5:00:00 PMPM2.542Goodobservation
9/4/2026, 4:00:00 PMPM2.536Goodobservation
9/4/2026, 3:00:00 PMPM2.536Goodobservation
9/4/2026, 5:00:00 AMPM2.547Goodobservation
9/4/2026, 4:00:00 AMPM2.548Goodobservation
9/4/2026, 3:00:00 AMPM2.551Moderateobservation
9/4/2026, 2:00:00 AMPM2.548Goodobservation
9/4/2026, 1:00:00 AMPM2.552Moderateobservation
9/4/2026, 12:00:00 AMPM2.554Moderateobservation
9/3/2026, 11:00:00 PMPM2.551Moderateobservation
9/3/2026, 10:00:00 PMPM2.555Moderateobservation
9/3/2026, 9:00:00 PMPM2.561Moderateobservation
9/3/2026, 5:00:00 PMPM2.543Goodobservation
9/3/2026, 4:00:00 PMPM2.551Moderateobservation
9/3/2026, 3:00:00 PMPM2.540Goodobservation
9/3/2026, 2:00:00 PMPM2.543Goodobservation
9/3/2026, 1:00:00 PMPM2.551Moderateobservation
9/3/2026, 9:00:00 AMPM2.541Goodobservation
9/3/2026, 8:00:00 AMPM2.544Goodobservation
9/3/2026, 7:00:00 AMPM2.540Goodobservation
9/3/2026, 6:00:00 AMPM2.536Goodobservation
9/3/2026, 5:00:00 AMPM2.538Goodobservation
9/3/2026, 4:00:00 AMPM2.540Goodobservation
9/3/2026, 3:00:00 AMPM2.537Goodobservation
9/3/2026, 2:00:00 AMPM2.533Goodobservation
9/3/2026, 1:00:00 AMPM2.535Goodobservation
9/2/2026, 10:00:00 PMPM2.534Goodobservation
9/2/2026, 9:00:00 PMPM2.539Goodobservation
9/2/2026, 8:00:00 PMPM2.542Goodobservation
9/2/2026, 7:00:00 PMPM2.537Goodobservation

Nearby Stations

Indiana overview →

Current AirNow data are preliminary and may be revised. Source: EPA AirNow and participating air quality agencies.