1960–64 (TSP) | 1970–74 (TSP) | 1979–81 (TSP) | 1989–91 (TSP) | 1995–97 (PM10) | 1995–97 (CP) | 1995–97 (PM2.5) | Mean | CV | |
---|---|---|---|---|---|---|---|---|---|
PM CO | 0.47 | −0.02 | 0.13 | 0.32 | 0.30 | 0.30 | −0.13 | 0.24 | 0.70 |
PM NO2 | 0.23 | 0.13 | 0.48 | 0.46 | 0.34 | 0.23 | 0.25 | 0.33 | 0.41 |
PM SO42− | 0.57 | 0.03 | 0.03 | −0.02 | 0.23 | −0.27 | 0.55 | 0.17 | 1.30 |
PM SO2 | 0.27 | 0.14 | 0.28 | 0.08 | 0.14 | −0.01 | 0.23 | 0.18 | 0.43 |
PM O3 | 0.19 | 0.12 | 0.24 | 0.32 | −0.01 | 0.53 | 0.22 | 0.34 | |
SO42− O3 | 0.38 | 0.31 | 0.43 | 0.50 | 0.41 | 0.17 | |||
SO42− CO | 0.34 | 0.05 | −0.14 | −0.32 | −0.36 | −0.09 | −3.00 | ||
SO42− NO2 | 0.41 | 0.37 | 0.15 | 0.30 | 0.23 | 0.29 | 0.32 | ||
SO42− SO2 | 0.83 | 0.23 | 0.46 | 0.56 | 0.38 | 0.49 | 0.41 | ||
SO2 CO | 0.27 | 0.28 | 0.18 | 0.07 | 0.01 | 0.16 | 0.66 | ||
SO2 NO2 | 0.39 | 0.51 | 0.48 | 0.43 | 0.48 | 0.46 | 0.09 | ||
SO2 O3 | 0.06 | 0.17 | 0.19 | 0.34 | 0.19 | 0.52 | |||
NO2 CO | 0.36 | 0.48 | 0.43 | 0.41 | 0.48 | 0.43 | 0.10 | ||
NO2 O3 | 0.15 | 0.47 | 0.43 | 0.29 | 0.34 | 0.38 | |||
CO O3 | −0.06 | 0.01 | 0.13 | 0.16 | 0.06 | 1.49 | |||
PM average | 0.39 | 0.07 | 0.23 | 0.21 | 0.25 | 0.06 | 0.23 | 0.23 | |
CO average | 0.36 | 0.15 | 0.12 | 0.12 | 0.12 | 0.16 | |||
SO42− average | 0.54 | 0.21 | 0.16 | 0.19 | 0.20 | 0.25 | |||
SO2 average | 0.44 | 0.24 | 0.31 | 0.27 | 0.27 | 0.30 | |||
O3 average | 0.14 | 0.22 | 0.28 | 0.32 | 0.24 | ||||
NO2 average | 0.28 | 0.33 | 0.40 | 0.41 | 0.36 | 0.36 |