East Alton, IL Weather - Forecast & Monthly Averages

TEMPERATURE	51
HUMIDITY
PRESSURE
WIND COND.	70 11.2

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Weather Quick Facts

The highest monthly average temperature in East Alton for July is 76.5 degrees
The lowest monthly average temperature in East Alton for January is 31.2 degrees
The most monthly precipitation in East Alton occurs in July with 7.3 inches
The air quality index in East Alton is 28% worse than the national average
The pollution index in East Alton is 211% worse than the national average

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East Alton Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	24°F	41°F	31°F	3.4"
February	25°F	43°F	33°F	3.7"
March	38°F	57°F	46°F	3.1"
April	47°F	68°F	56°F	6.6"
May	56°F	76°F	65°F	6.1"
June	65°F	85°F	75°F	3.5"
July	67°F	87°F	77°F	7.3"
August	66°F	86°F	75°F	6.8"
September	58°F	80°F	68°F	4.4"
October	47°F	68°F	57°F	6.7"
November	36°F	56°F	45°F	4.9"
December	28°F	43°F	35°F	6.3"

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East Alton 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.
Index	East Alton	Illinois	National
Air quality index	54	41	42
Pollution index	8,473,050	3,148,694	2,726,193

East Alton air quality

Measurement	Total
Days measured	365
Days with good air quality	134
Days with moderate air quality	221
Days w/ poor A.Q. for sensitive groups	8
Days with unhealthy air quality	2

Air quality details

Pollutant	Total
Arsenic	0.020%
Benzene	0.070%
Carbon Tetrachloride	0.020%
Lead	0.010%
Mercury	0.010%

Average monthly East Alton temperature with heat index

East Alton monthly precipitation with daily maximum

East Alton monthly snow depth with daily maximum

East Alton monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Bunker Hill, IL	1,468	54	8.0%
Wilsonville, IL	612	54	8.0%
Florissant, MO	51,220	54	8.0%
Edwardsville, IL	25,332	54	8.0%
Maryville, IL	7,962	54	8.0%
East Alton, IL	6,021	54	8.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Raton, NM	6,020	15	70.0%
South Bruce, ON	6,022	n/a
Highland, NY	6,019	36	28.0%
Cherryville, NC	6,018	36	28.0%
Verchères, QC	6,018	n/a
East Alton, IL	6,021	54	8.0%

Source: The East Alton, 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.