TODAY NOV14
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 3621Wed
  • 4028Thu
  • 4430Fri
  • 3622Sat
  • 3521Sun
daynightWeather update from Galesburg Municipal Airport at

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Altona Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January17°F34°F24°F3.4"
February18°F36°F26°F3.6"
March32°F52°F41°F3.5"
April41°F65°F52°F6.9"
May52°F74°F63°F7.1"
June62°F83°F72°F7.9"
July65°F86°F75°F8.4"
August63°F84°F73°F7.4"
September54°F78°F65°F8.9"
October44°F66°F54°F5.8"
November32°F52°F41°F4.0"
December22°F37°F29°F4.5"

Did you know?

  • The highest monthly average temperature in Altona for July is 75 degrees.
  • The lowest monthly average temperature in Altona for January is 24 degrees.
  • The most monthly precipitation in Altona occurs in September with 8.9 inches.
  • The air quality index in Altona is 10% worse than the national average.
  • The pollution index in Altona is 66% better than the national average.

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Compare Altona, IL Weather To Other Cities

Altona air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexAltonaIllinoisNational
Air quality index554150
Pollution index1,709,2303,347,2955,066,862

Altona air quality information

MeasurementTotal
Days measured365
Days with good air quality137
Days with moderate air quality225
Days w/ poor A.Q. for sensitive groups3
Days with unhealthy air quality

Altona air quality information

PollutantTotal
Arsenic0.001%
Benzene0.050%
Carbon Tetrachloride0.040%
Lead0.001%
Mercury0.001%

Average monthly Altona temperature with heat index

Altona monthly precipitation with daily maximum

Altona monthly snow depth with daily maximum

Altona monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
East Galesburg, IL737484%
Kewanee, IL12,755484%
Williamsfield, IL521484%
Galesburg, IL31,469484%
Knoxville, IL2,793484%
Altona, IL5355510%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Accord, NY5353628%
Carter Springs, NV5353334%
Jerry City, OH5353628%
Huntsville, OH5353040%
Fairfield, PA5354314%
Altona, IL5355510%
Source: The Altona, IL weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.