West Oakland Air Pollution Impact Zones and Story Maps · West Oakland Air Pollution Impact Zones...
Transcript of West Oakland Air Pollution Impact Zones and Story Maps · West Oakland Air Pollution Impact Zones...
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West Oakland Air Pollution Impact Zones and Story Maps
West Oakland AB617 Steering Committee Meeting
February 6th, 2019
Fern Uennatornwaranggoon
Bay Area Air Quality Policy Manager
Environmental Defense Fund
123 Mission Street
San Francisco, CA 94105
T 415 293 6162
edf.org/airqualitymaps
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These are intended to be illustrative examples. Others might also identify different areas for impact zones that are not indicated below.
The online mapping tool used in this presentation can be accessed at https://arcg.is/1Cf50L
Potential Impact Zones
1
23
4
5
6
7
Black Carbon above median Nitrogen Oxide above median Nitrogen Dioxide above median
1
23
5
6
47
1
23
4
5
6
7
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Background: High resolution air pollution mapping with Google Street View cars
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Zone 1: Truck-attracting businesses near residential homes
Zone 3: Main thoroughfare flanked by residential homes, with children facilities nearby
Zone 7: Elderly facilities near strip mall and freeway
Examples
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BC above median NO above median NO2 above median
Zone 1
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Elevated BC levels in this residential area may be due to trucks trying to find their way to the two nearby businesses.
While trucks are allowed on truck-prohibited streets to reach their destination of business, they could readily access these two businesses via Frontage Rd and 7th St without needing to go on prohibited side streets.
Cal Waste Solutions and US Freight
Systems
Truck-attracting businesses near residential homesZone 1
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Around 5-20% of the population in this zone are children under 5 years old (roughly 280 children).
There is also an elementary school and a few childcare facilities in this zone.
We observed elevated levels of black carbon along streets ~1-2 blocks from these facilities.
Zone 1 Sensitive population - children
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BC above median NO above median NO2 above median
Zone 3
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New Potential Truck Route
ew Potential Truck rohibited Street
Currently, we see elevated levels of NO along much of 7th St corridor where many residents live.
NP
Main thoroughfare flanked by residential homesZone 3
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Population density along the 7th
Street corridor ranges from medium to relatively high.
Population densityZone 3
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New Potential Truck Route
New Potential Truck Prohibited Street
The Draft Truck Management Plan proposes to prohibit trucks along a stretch of 7th St (between Union and Wood) which could help reduce the pollution.
Proposed new truck prohibited streetZone 3
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New Potential Truck Route
New Potential Truck Prohibited Street
7th St between Union St and Market St will remain a designated truck route. This stretch is also lined with residential buildings.
Trucks could use 6th and 5th streets (already designated for trucks) to reach freeway entrance/exit at Union instead.
However, the remaining stretch of Zone 3
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In addition, this stretch of 7th St has a high proportion of children under five, as well as higher NO2 levels. Young children are particularly vulnerable to the effects of air pollutants like NO2.
There are also several nearby child care centers and schools.
Sensitive population - childrenZone 3
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Zone 7
BC above median NO above median NO2 above median
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Zone 7 Apartment cluster next to strip mall and freeway
This area is upwind of I-980 and pollution from the freeway is potentially limited. The elevated NO observed may be driven other factors such as vehicular traffic to/from the nearby strip mall.
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A few senior housing are located in zone flanked by streets with elevated levels of NO.
Sensitive population - ElderlyZone 7
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Appendix: Air Pollution Mapping Tool User Manual
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Content
1. What’s in the mapping tool
2. How to use the tool
3. Where did the data come from
4. What information or insights can you get from the tool
Click link to go to online map https://arcg.is/1Cf50L
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1. What’s in the mapping tool
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What’s in the mapping tool
• Data layers (so far) include:oGoogle/EDF/WOEIP air pollution data collected during mid-2015 to mid-2016
oKaiser/EDF health risk analysis results
o Sensitive receptor locations such as schools, childcare centers, senior housing and care facilities
o Locations of truck-related businesses and truck routes
• Tool developed in collaboration with WOEIP
• Uses publicly available data
• More data layers can be added
• Access on browser, no account or login needed
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2. How to use the tool
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Landing page
Legend for the current map
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Click on Click on Layers to Legends to see see the list of all what the colors
Data Layers or icons availablerepresent.
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Check box to make a new layer appear. You
can check multiple boxes. For example,
here the Black Carbon and Truck Magnets layers are checked.
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Click on Legend to switch back to the legend showing what colors/icons represent.
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Click on icon to see more
information in pop-up window. Here you can see
the name of a trucking business.
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3. Where did the data come from
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Finding: Elderly residents (age 65+) living in areas of West Oakland with the highest concentrations of NO2
would have >40% greater risk of a cardiovascular disease event than those in less polluted areas of the neighborhood.
Data: Electronic medical records of 41K people insured by Kaiser Permanente health care, linked with air pollution at residential address.
Regulatory air pollution monitoring for West Oakland, CA: 1 stationary site
Finding: Within West Oakland, some areas had 5-8 times higher median pollution levels than others. Many parts of the neighborhood had higher air pollution than levels measured at the central regulatory monitor.
Data: 1 year of air pollution measurements (BC, NO, NO2) using fast response sensors on Google Street View cars.
Black carbon (BC)
Several data layers came from results of studies conducted by EDF, WOEIP and partners
Background on West Oakland Air Pollution Studies
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Click on About, then on More Information to see where the
data came from.
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See Description for data source
and details about the dataset.
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4. What information or insights can you getfrom the tool
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Black carbon levels
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Where black carbon levels are higher than area median
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Where black carbon levels are higher than area median & residential areas
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Truck routes
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Potential impact on residents who live near industrial zone and where trucks frequent
Poplar St is a prohibited
truck route but there are no residential
homes nearby.
Certain sections of Adeline are
lined with residential
homes and see elevated black
carbon pollution.
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Fern UennatornwaranggoonAir Quality Project ManagerT 415 293 [email protected]
Gabriela Zayas del RioResearch AnalystT 415 293 [email protected]
Maria Harris, PhDEnvironmental EpidemiologistT 415 293 [email protected]
Contact us