diff --git a/src/gsi/read_anowbufr.f90 b/src/gsi/read_anowbufr.f90
index 59ed0ffcb3..86c454a745 100644
--- a/src/gsi/read_anowbufr.f90
+++ b/src/gsi/read_anowbufr.f90
@@ -232,6 +232,8 @@ subroutine read_anowbufr(nread,ndata,nodata,gstime,&
         conc=indata(ncopopm)
         if ( iret > 0 .and. (conc < conc_missing ) .and. &
                (conc >= zero)) then
+           if(indata(nxob) > r360)cycle 
+           if(indata(nyob) > 0.5_r_kind*r360)cycle
            
            if(indata(nxob) >= r360)  indata(nxob) = indata(nxob) - r360
            if(indata(nxob) <  zero)  indata(nxob) = indata(nxob) + r360
diff --git a/src/gsi/setuppm2_5.f90 b/src/gsi/setuppm2_5.f90
index ad940cce78..257bc44b01 100644
--- a/src/gsi/setuppm2_5.f90
+++ b/src/gsi/setuppm2_5.f90
@@ -780,8 +780,6 @@ subroutine setuppm2_5(obsLL,odiagLL,lunin,mype,nreal,nobs,isis,is,conv_diagsave)
           call tintrp2a11(pm25wc(:,:,:,2,nfldsig),pm25wc_ges(2),dlat,dlon,dtime,hrdifsig,&
                 mype,nfldsig)
           if (pm25wc_ges(1) >= pm2_5_bg_threshold) then
-            pm25wc_ges(1)=1.0_r_kind
-          else
             pm25wc_ges(1)=0.0_r_kind
           end if
           if (pm25wc_ges(2) >= pm2_5_bg_threshold) then