Old Town-Chinatown, Portland average temperature
|Month||Temp. (min)||Temp. (max)||Temp. (avg)||Precipitation|
In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
The highest average temperature in Portland is July at 69.8 degrees. The coldest average temperature in Portland is December at 38.8 degrees. The most monthly precipitation in Portland occurs in November with 6.1 inches. The Portland weather information is based on the average of the previous 3-7 years of data.
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Old Town-Chinatown, Portland air quality index & pollution index
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|Air quality index||38||38||32|
In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
The Portland, OR air quality index is a median value which considers the most hazardous air pollutants. The Portland, OR air quality index is 18.1% greater than the Oregon average and 23.6% less than the national average.
The Portland, OR pollution index is the sum of the most hazardous air pollutants displayed in pounds. The Portland, OR pollution index is 64.8% less than the Oregon average and 62.6% less than the national average.
Air quality information
|Days with good air quality||241|
|Days with moderate air quality||108|
|Days w/ poor A.Q. for sensitive groups||12|
|Days with unhealthy air quality||4|
Air pollution information
Average monthly Old Town-Chinatown, Portland temperature with heat index
Old Town-Chinatown, Portland monthly precipitation with daily maximum
Old Town-Chinatown, Portland monthly snow depth with daily maximum
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Old Town-Chinatown, Portland monthly wind speed information
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