Fine Particulate Air Monitoring

Improvements in Data Collection and Reporting

Spring Membership Meeting 2002

PM 2.5 Data CompletenessReport Card

• Improvements in collection and reporting

– SAMWG and EPA Working Together– State and Local Agency efforts

• Noteworthy results in 2001– 1103 station operated all 4 quarters– No systematic equipment issues

• AQS issues being resolved

• Continued focus is warranted for all pollutants.

Current 2001 reporting by EPA Region

• Region 1 77%

• Region 2 69%

• Region 3 88%

• Region 4 86%

• Region 5 88%

• Region 6 80%

• Region 7 92%

• Region 8 87%

• Region 9 79%

• Region 10 89%

Map 1: Data Capture Rates at PM2.5 FRM Sites in 20011172 Sites Operated in 2001

AQS 4/15/02

Sites with 4 complete (75%+) quarters [699]

Sites with 11+ samples in each quarter but less than 75% [165]

Incomplete sites missing all of 4th Quarter [215]

Other incomplete sites [93]

946 961 936

859

1053 1056991

931

1086 10801012

957

1128 1137 1144 1145

Q1 '01 Q2 '01 Q3 '01 Q4 '010

200

400

600

800

1000

1200

1400

Operated With Data 11+ Samples 75% Complete

1172 sites operated during the year1101 sites operated all 4 quarters699 sites (63% of 1101) have 4 complete quarters (> 75%)864 sites (78% of 1101) have 11+ samples in all 4 quarters

Figure 1: Data Capture Rates at PM2.5 FRM Sites, 2001By Quarter

AQS 4/15/02

Designations / Design Values (d.v.'s) based on 3 years of dataTo show attainment (A), sites must have 75%+ data capture in each of the 12 quarters

To show nonattainment (NA), sites must have at least 11 samples in each of the 12 quartersEPA Regional Administrators have the discretion to use less complete data

Completeness Criteria for PM2.5 Annual Standard

What Do We Know (today) About PM2.5 Completeness, 1999 - 2001

(as of April 15, 2002)1222 sites operated some time in 1999-2001

764 Sites operated all 12 Quarters

Overview status of PM2.5 Monitoring Network

All sites color coded. Big dots meet 4 Q completeness, small dots don't

Sites with 11+ samples in each quarter and mean01 >15.0 [19%]Sites with 75% in each quarter and mean01 < 15.0 [48%]Sites w/ out 11+ samples in each Q and mean01 > 15.0 [4%]Sites w/ out 75% in each Q and mean01 < 15.0 [29%]

PM2.5 Completeness, 1999 - 2001

(Operated all 4 quarters 2001 - 1103 Sites)

Year by year PM2.5 Levels -2001

Data from AQS on April 15, 2002

Sites with 11+ samples in each quarter and d.v.

>15.0 [153]Sites with 75% in each quarter and d.v.

< 15.0 [121]Other sites (not usable for designations.... without RA

discretion) [490]

PM2.5 Completeness, 1999 - 2001(Operated all 12 quarters - 764 Sites)

April 15th Results: Color = All 12 Q's meet completeness criteria

Base Case - Regulatory Data Completeness

What Could Happen With Data Available Today ?

Sites with d.v. >15.0

[80]Sites with d.v. < 15.0

[410]

Sites that do NOT meet 12 Q completeness criteria as of April 15, 2002 ! (Black dots from Base)

Which Direction Do Incomplete Sites Lean ?

NOTE:In some areas, 'incomplete' sites don't match well with 'complete' sites!

Many of the 80 sites are redundant within an MSA’s with complete data showing >15.0 annual average.

Look for an MSAupdate on AIRWEB in May.

Continuous PM2.5 Monitoring SitesAs of AIRS, 10/02/01

Black = Data reported in AIRS (132)Red = Site registered in AIRS but no data (20)

215 were funded in FY2000 (-83)

Continuous PM2.5 Monitoring SitesBlack = Data reported in AIRS (157)

Red = Site registered in AIRS but no data (19)Total # of Sites Funded = 267*

10

11

1

14

5

3

2

1

1

0

1

7

33

3

1

1

4

2

3

9

2

0

52 2

8

3

4

46

13

16

6

5

8

10

5

22

4

42 (RI)

11

4

22

0 (Virgin Isl.)

2 (Puerto Rico)

1 (DC)

1 1

18

* Based on AIRS data entered through 12/20/01.

Numbers of "funded" continuous sites are provided within each State outline for reference.As of Dec 2001

Map 2: Active Continuous PM2.5 Monitoring Sites

Data reported in AQS [168]Registered in AQS but no data [24]

AQS 4/15/02

National PM2.5 Maps

• Yearly depictions

• Relative to the Annual NAAQS

• Summary 1999-2001

Alaska Hawaii Puerto Rico

VirginIslands

20< mean

15< mean <=20

12< mean <=15

0< mean <=12

EPATerence FitzSimons AQTAG

1999 Annual Mean PM 2.5

Data from AQS on April 5, 2002

Alaska Hawaii Puerto Rico

VirginIslands

20< mean

15< mean <=20

12< mean <=15

0< mean <=12

EPATerence FitzSimons AQTAG

2000 Annual Mean PM 2.5

Data from AQS on April 5, 2002

Alaska Hawaii Puerto Rico

VirginIslands

20< mean

15< mean <=20

12< mean <=15

0< mean <=12

EPATerence FitzSimons AQTAG

2001 Annual Mean PM 2.5

Data from AQS on April 5, 2002

Alaska Hawaii Puerto Rico

VirginIslands

20< mean

15< mean <=20

12< mean <=15

0< mean <=12

EPATerence FitzSimons AQTAG

1999-2001 Annual Mean PM 2.5

Data from AQS on April 5, 2002

Data from AQS on April 5, 2002

A closer view of eastern US for 99-01 average

Keys to Success

• Refine networks for efficient operation

• Improvement as AQS matures

• Reinforce expectations for timely reporting

• Focus on new equipment issues