Table 3 Exposure Metrics for Weekly Average (Lag06) Apparent Temperature and Air Pollutants during the Cold Season, by California County, 1995-2009 (n = 7969)
From: The impact of high apparent temperature on spontaneous preterm delivery: a case-crossover study
County | Case Mean Apparent Temperature, °F (5th, 95th) | Case-Control Difference °F | Minimum Apparent Temperature, °F (5th, 95th) | Maximum Apparent Temperature, °F (5th, 95th) | Max O3 a, ppb (5th,95th ) | Max COa, ppm (5th,95th) | Max NO2 a, ppb (5th,95th ) | Max SO2 a, ppb (5th,95th) | Mean PM2.5 a, µg/m3 (5th, 95th) |
|---|---|---|---|---|---|---|---|---|---|
Alameda | 49.6(41.8-57.2) | 3.3 | 41.4(31.9-50.6) | 58.4(49.8-68.2) | 33.3(16.5-50) | 1.5(0.5-3.2) | 32.9(18.5-48.5) | 4.3(1-8.5) | 11.7(3.3-30.9) |
Butteb | 48.2(38.1-55.3) | 3.6 | 38.9(30.1-47.8) | 58.1(47.1-68.7) | 27.6(14-41.5) | 3(0.9-5.3) | 32.8(19-43.5) | N.A. | 12.3(3.4-23.5) |
Contra Costa | 48.6(39.6-57.9) | 3.7 | 40(30.5-49) | 58.3(47.8-71.6) | 34.8(15.5-52.5) | 1.3(0.4-2.8) | 28.5(14.5-42) | 4(1-10) | 13(3.5-35.8) |
El Dorado/Amador | 45.8(37.8-56.2) | 3.9 | 37.9(30.1-46.4) | 54.9(44.3-67.8) | 39.5(22.5-62.5) | 0.5(0.2-0.8) | N.A. | N.A. | N.A. |
Madera | 47.2(37.9-61.3) | 4.3 | 36.6(26.8-45.8) | 58.5(48-76.6) | N.A. | N.A. | N.A. | N.A. | N.A. |
Marin | 46(38.2-53.6) | 3.1 | 37.9(28.6-46) | 55(46.5-65) | 28.1(10.5-43) | 1.5(0.6-3.5) | 30.5(18.5-45) | N.A. | N.A. |
Merced | 46(39.5-52.8) | 2.1 | 36.2(31.3-43.5) | 57.1(49.5-66.7) | 36.1(29-45.5) | N.A. | 18.9(9.5-30.5) | N.A. | N.A. |
Monterey | 45.8(34.7-53.1) | 3.9 | 37.3(24.4-47.4) | 55.9(50.4-63.1) | 37.3(22.5-49.5) | 1(0.3-1.8) | 19.8(6-32) | N.A. | N.A. |
Napa/Lake | 47.2(38.2-55.2) | 4.1 | 36.7(26.6-47) | 58.2(49.7-69.4) | 32.9(16.5-48) | 1.6(0.5-3.1) | 26.6(13-38.5) | N.A. | N.A. |
Nevada/Fresno | 49.4(39-61.6) | 4.5 | 39.9(30.2-49.3) | 59.3(47.2-74.8) | 42(16.5-72.5) | 1.6(0.4-5) | 35.5(19-58.5) | 2.4(0-7) | 28(5.5-66.5) |
Placer | 48.6(37.5-60.1) | 4.3 | 40.4(30.4-49.7) | 57.5(45.3-70.6) | 34.1(15.5-54.5) | 1.1(0.4-2.4) | 28.8(8.5-45.5) | 1.8(0-5) | N.A. |
Sacramento | 48.9(38.9-59.8) | 4.1 | 40.3(30.4-49.5) | 58.4(46.6-73.2) | 36(14-58.5) | 1.6(0.5-3.8) | 30(14-46.5) | 3.3(0-10) | 16.9(4-48) |
San Benito | 51.6(47.7-57.1) | 4 | 41.3(36.9-52.4) | 63.2(56.6-70.2) | 42(28.5-53) | N.A. | N.A. | N.A. | N.A. |
San Francisco | 50.9(44.4-57.4) | 3 | 45(38.2-51.8) | 57.6(50.3-66.7) | 30(13-45) | 1.6(0.6-3.3) | 37(22.5-52.5) | 4.6(1-10.5) | 13(4.3-30.3) |
San Joaquin | 48.4(38.1-60.1) | 4.1 | 39(28.9-48) | 58.8(47.1-73.3) | 31.6(9.5-55) | 1.6(0.5-4.1) | 33.1(22-48.5) | N.A. | 22.9(5.5-45.5) |
San Mateo | 50(43.8-56.5) | 2.8 | 43.7(37.3-50.2) | 57(49.5-65.4) | 31.1(13-46.5) | 1.9(0.7-4) | 31.8(18.5-46) | 4.4(1-10) | 13.1(4.2-30.1) |
Santa Clara | 50.6(42.3-59.3) | 3.5 | 42.2(33.6-50.5) | 59.9(50.9-70.7) | 30.9(12-48.5) | 2.2(0.6-5.3) | 39.7(24.5-61) | 1.3(0.1-3.2) | 15.5(4.4-40.8) |
Santa Cruz | 44.4(38.2-48.8) | 4.6 | 35.3(28.4-40.8) | 54.3(48.2-58.7) | 35.1(23.5-45) | N.A. | N.A. | N.A. | N.A. |
Solano | 48.7(39.3-58.8) | 3.7 | 39(29.3-47.6) | 58.8(48.4-72.1) | 34(16-51) | 1.8(0.4-4.1) | 28.5(14-41.5) | 3.6(1-8) | 14(3.3-36.8) |
Sonoma/Mendocino | 45.7(36.5-54.8) | 3.8 | 35.2(24.8-46.3) | 58(47.5-70.5) | 32.5(11.5-46.3) | 1.3(0.5-2.8) | 27.4(16.5-37.5) | N.A. | 14.5(3.1-33.5) |
Stanislaus | 47.4(38.2-57.8) | 3.6 | 37.5(26.4-45.7) | 58.2(48-70.7) | 33.7(12-59) | 1.2(0.4-3) | 29.2(16.5-45.5) | N.A. | 7(7-7) |
Sutter | 50.7(41.1-58.6) | 5.1 | 36.9(25.3-44.9) | 66.6(61.6-71.3) | 42.1(20-64) | 1.6(0.4-4) | 34.6(23.5-43.5) | N.A. | N.A. |
Tulare/King | 41(34.8-48) | 5.4 | 32.4(25.6-41.4) | 50.6(44.4-55.2) | 26.3(12-40.5) | 1.6(0.6-3.3) | 30.3(19.5-38) | N.A. | N.A. |
Yolo | 47.6(39-55.9) | 3.4 | 38.5(30.8-46.7) | 57.5(45.5-68.4) | 33.5(14-56) | 1.2(0.4-2.9) | 29.7(15.5-49) | N.A. | 16.5(3.5-41) |
Total | 49.2(39.7-58.4) | 3.6 | 40.7(30.6-49.8) | 58.5(48.2-70.7) | 33.5(14-53.5) | 1.6(0.5-3.6) | 31.9(16-49) | 3.7(0.5-9.5) | 16.2(4-43.2) |