TODAY APR18
TEMPERATURE68
HUMIDITY59
PRESSURE101520
WIND COND.270 11.2
  • 7054Fri
  • 7456Sat
  • 7957Sun
  • 7555Mon
  • 6853Tue
daynightWeather update from Los Angeles / USC Campus Downtown at
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Weather Quick Facts

  • The highest monthly average temperature in Downtown for August is 72.5 degrees
  • The lowest monthly average temperature in Downtown for December is 57 degrees
  • The most monthly precipitation in Downtown occurs in January with 3.5 inches
  • The air quality index in Downtown is 71% worse than the national average
  • The pollution index in Downtown is 5017% worse than the national average

Compare Los Angeles, CA Weather

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      Downtown 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
      January48°F70°F58°F3.5"
      February50°F70°F59°F2.9"
      March52°F72°F61°F1.5"
      April55°F74°F63°F0.7"
      May58°F75°F65°F0.5"
      June61°F78°F68°F0.0"
      July65°F83°F72°F0.0"
      August65°F84°F73°F0.0"
      September64°F85°F72°F0.3"
      October60°F81°F69°F0.7"
      November54°F75°F63°F0.8"
      December48°F69°F57°F2.8"

      Downtown 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.
      IndexDowntownLos AngelesCalifornia
      Air quality index727255
      Pollution index139,490,000139,490,00010,473,190

      Downtown air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality66
      Days with moderate air quality208
      Days w/ poor A.Q. for sensitive groups62
      Days with unhealthy air quality28

      Downtown air quality information

      PollutantTotal
      Arsenic0.200%
      Benzene0.950%
      Carbon Tetrachloride0.080%
      Lead1.320%
      Mercury0.440%

      Average monthly Downtown temperature with heat index

      Downtown monthly precipitation with daily maximum

      Downtown monthly snow depth with daily maximum

      Downtown monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Gardena, CA59,4017244.0%
      Westmont, CA35,1887244.0%
      Bell Gardens, CA41,7707244.0%
      Hawaiian Gardens, CA14,2127244.0%
      Montebello, CA62,6977244.0%
      Los Angeles, CA3,973,2787244.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Toronto, ON3,013,752n/a 
      Chicago, IL2,699,3475510.0%
      Houston, TX2,313,238524.0%
      Montréal, QC1,811,008n/a 
      Phoenix, AZ1,658,4227448.0%
      Los Angeles, CA3,973,2787244.0%
      Source: The Downtown, Los Angeles, CA 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.