AQSQID: 800090034

Site Name: Uam Xochimilco

Location: Ciudad de México (Puerta de Ávila), MX

Reporting: False, Located: True

Current AQI: None

Ciudad de México (Puerta de Ávila) MX, MX: 19.3044, -99.0738

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 8, 2019, 6 a.m. N/A N/A N/A 21.0 ppb (19) N/A 3.0 ppb (4) 32.0 ppb (25) 0.6 ppb (7) N/A 26.0 μg/m3 (80) 80.0
 
Feb. 8, 2019, 5 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 33.0 ppb (25) 0.6 ppb (7) N/A 29.0 μg/m3 (86) 86.0
 
Feb. 8, 2019, 4 a.m. N/A N/A N/A 23.0 ppb (21) N/A 3.0 ppb (4) 29.0 ppb (22) 0.7 ppb (8) N/A 21.0 μg/m3 (69) 69.0
 
Feb. 8, 2019, 3 a.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (4) 32.0 ppb (25) 0.7 ppb (8) N/A 26.0 μg/m3 (80) 80.0
 
Feb. 8, 2019, 2 a.m. N/A N/A N/A 20.0 ppb (19) N/A 3.0 ppb (4) 36.0 ppb (28) 0.7 ppb (8) N/A 28.0 μg/m3 (84) 84.0
 
Feb. 8, 2019, 1 a.m. N/A N/A N/A 25.0 ppb (23) N/A 6.0 ppb (9) 47.0 ppb (36) 0.7 ppb (8) N/A 24.0 μg/m3 (76) 76.0
 
Feb. 8, 2019, midnight N/A N/A N/A 15.0 ppb (14) N/A 12.0 ppb (17) 64.0 ppb (49) 0.5 ppb (6) N/A 25.0 μg/m3 (78) 78.0
 
Feb. 7, 2019, 11 p.m. N/A N/A N/A 15.0 ppb (14) N/A 6.0 ppb (9) 83.0 ppb (65) 0.6 ppb (7) N/A 20.0 μg/m3 (67) 67.0
 
Feb. 7, 2019, 10 p.m. N/A N/A N/A 15.0 ppb (14) N/A 4.0 ppb (6) 93.0 ppb (73) 0.6 ppb (7) N/A 17.0 μg/m3 (61) 73.0
 
Feb. 7, 2019, 9 p.m. N/A N/A N/A 16.0 ppb (15) N/A 4.0 ppb (6) 88.0 ppb (69) 0.7 ppb (8) N/A 31.0 μg/m3 (90) 90.0
 
Feb. 7, 2019, 8 p.m. N/A N/A N/A 20.0 ppb (19) N/A 4.0 ppb (6) 78.0 ppb (61) 0.7 ppb (8) N/A 39.0 μg/m3 (109) 109.0
 
Feb. 7, 2019, 7 p.m. N/A N/A N/A 37.0 ppb (34) N/A 7.0 ppb (10) 70.0 ppb (54) 1.0 ppb (11) N/A 46.0 μg/m3 (126) 126.0
 
Feb. 7, 2019, 6 p.m. N/A N/A N/A 50.0 ppb (46) N/A 11.0 ppb (16) 57.0 ppb (44) 1.3 ppb (14) N/A 25.0 μg/m3 (78) 78.0
 
Feb. 7, 2019, 5 p.m. N/A N/A N/A 47.0 ppb (44) N/A 5.0 ppb (7) 39.0 ppb (30) 1.4 ppb (16) N/A 29.0 μg/m3 (86) 86.0
 
Feb. 7, 2019, 4 p.m. N/A N/A N/A 39.0 ppb (36) N/A 3.0 ppb (4) 20.0 ppb (15) 1.5 ppb (17) N/A 30.0 μg/m3 (88) 88.0
 
Feb. 7, 2019, 3 p.m. N/A N/A N/A 39.0 ppb (36) N/A 3.0 ppb (4) 6.0 ppb (5) 1.9 ppb (21) N/A 37.0 μg/m3 (104) 104.0
 
Feb. 7, 2019, 2 p.m. N/A N/A N/A 35.0 ppb (32) N/A 2.0 ppb (3) 4.0 ppb (3) 1.4 ppb (16) N/A 38.0 μg/m3 (106) 106.0
 
Feb. 7, 2019, 1 p.m. N/A N/A N/A 32.0 ppb (30) N/A 2.0 ppb (3) 5.0 ppb (4) 1.0 ppb (11) N/A 35.0 μg/m3 (99) 99.0
 
Feb. 7, 2019, noon N/A N/A N/A 24.0 ppb (22) N/A 2.0 ppb (3) 10.0 ppb (8) 0.8 ppb (9) N/A 32.0 μg/m3 (93) 93.0
 
Feb. 7, 2019, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 16.0 ppb (12) 0.7 ppb (8) N/A 34.0 μg/m3 (97) 97.0
 
Feb. 7, 2019, 10 a.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 18.0 ppb (14) 0.8 ppb (9) N/A 40.0 μg/m3 (111) 111.0
 
Feb. 7, 2019, 9 a.m. N/A N/A N/A 24.0 ppb (22) N/A 2.0 ppb (3) 16.0 ppb (12) 0.8 ppb (9) N/A 31.0 μg/m3 (90) 90.0
 
Feb. 7, 2019, 8 a.m. N/A N/A N/A 34.0 ppb (31) N/A 2.0 ppb (3) 10.0 ppb (8) 0.9 ppb (10) N/A 38.0 μg/m3 (106) 106.0
 
Feb. 7, 2019, 7 a.m. N/A N/A N/A 50.0 ppb (46) N/A 2.0 ppb (3) 2.0 ppb (2) 1.2 ppb (13) N/A N/A 46.0
 
Feb. 7, 2019, 6 a.m. N/A N/A N/A 36.0 ppb (33) N/A 2.0 ppb (3) 12.0 ppb (9) 1.0 ppb (11) N/A N/A 33.0
 
Dec. 17, 2018, 3 p.m. N/A N/A N/A 33.0 ppb (31) N/A 8.0 ppb (11) 5.0 ppb (4) 1.6 ppb (18) N/A 47.0 μg/m3 (129) 129.0
 
Dec. 17, 2018, 2 p.m. N/A N/A N/A 33.0 ppb (31) N/A 6.0 ppb (9) 1.0 ppb (1) 1.6 ppb (18) N/A 46.0 μg/m3 (126) 126.0
 
Dec. 17, 2018, 1 p.m. N/A N/A N/A 34.0 ppb (31) N/A 7.0 ppb (10) 0.0 ppb (0) 1.7 ppb (19) N/A 42.0 μg/m3 (116) 116.0
 
Dec. 17, 2018, noon N/A N/A N/A 35.0 ppb (32) N/A 9.0 ppb (13) 2.0 ppb (2) 1.0 ppb (11) N/A 50.0 μg/m3 (136) 136.0
 
Dec. 17, 2018, 11 a.m. N/A N/A N/A 36.0 ppb (33) N/A 9.0 ppb (13) 2.0 ppb (2) 1.1 ppb (12) N/A 57.0 μg/m3 (151) 151.0
 
Dec. 17, 2018, 10 a.m. N/A N/A N/A 40.0 ppb (37) N/A 9.0 ppb (13) 1.0 ppb (1) 1.4 ppb (16) N/A 49.0 μg/m3 (134) 134.0
 
Dec. 17, 2018, 9 a.m. N/A N/A N/A 45.0 ppb (42) N/A 15.0 ppb (21) 2.0 ppb (2) 1.4 ppb (16) N/A 56.0 μg/m3 (150) 150.0
 
Dec. 17, 2018, 8 a.m. N/A N/A N/A 48.0 ppb (44) N/A 15.0 ppb (21) 1.0 ppb (1) 1.5 ppb (17) N/A 63.0 μg/m3 (154) 154.0
 
Dec. 17, 2018, 7 a.m. N/A N/A N/A 51.0 ppb (47) N/A 16.0 ppb (23) 1.0 ppb (1) 1.7 ppb (19) N/A N/A 47.0
 
Dec. 17, 2018, 6 a.m. N/A N/A N/A 60.0 ppb (56) N/A 13.0 ppb (19) 1.0 ppb (1) 2.5 ppb (28) N/A 71.0 μg/m3 (158) 158.0
 
Dec. 17, 2018, 5 a.m. N/A N/A N/A 74.0 ppb (71) N/A 7.0 ppb (10) 1.0 ppb (1) 2.2 ppb (24) N/A 58.0 μg/m3 (151) 151.0
 
Dec. 17, 2018, 4 a.m. N/A N/A N/A 76.0 ppb (73) N/A 5.0 ppb (7) 5.0 ppb (4) 1.8 ppb (20) N/A 64.0 μg/m3 (154) 154.0
 
Dec. 17, 2018, 3 a.m. N/A N/A N/A 54.0 ppb (50) N/A 5.0 ppb (7) 23.0 ppb (18) 1.5 ppb (17) N/A 70.0 μg/m3 (158) 158.0
 
Dec. 17, 2018, 2 a.m. N/A N/A N/A 64.0 ppb (61) N/A 6.0 ppb (9) 26.0 ppb (20) 1.6 ppb (18) N/A 47.0 μg/m3 (129) 129.0
 
Dec. 17, 2018, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.5 ppb (17) N/A 40.0 μg/m3 (111) 111.0
 
Dec. 17, 2018, midnight N/A N/A N/A 30.0 ppb (28) N/A 7.0 ppb (10) 84.0 ppb (66) 0.8 ppb (9) N/A 34.0 μg/m3 (97) 97.0
 
Dec. 16, 2018, 11 p.m. N/A N/A N/A 26.0 ppb (24) N/A 8.0 ppb (11) 90.0 ppb (71) 0.8 ppb (9) N/A 32.0 μg/m3 (93) 93.0
 
Dec. 16, 2018, 10 p.m. N/A N/A N/A 22.0 ppb (20) N/A 8.0 ppb (11) 85.0 ppb (67) 0.7 ppb (8) N/A 35.0 μg/m3 (99) 99.0
 
Dec. 16, 2018, 9 p.m. N/A N/A N/A 29.0 ppb (27) N/A 11.0 ppb (16) 80.0 ppb (62) 0.9 ppb (10) N/A 26.0 μg/m3 (80) 80.0
 
Dec. 16, 2018, 8 p.m. N/A N/A N/A 27.0 ppb (25) N/A 12.0 ppb (17) 77.0 ppb (60) 0.9 ppb (10) N/A 30.0 μg/m3 (88) 88.0
 
Dec. 16, 2018, 7 p.m. N/A N/A N/A 29.0 ppb (27) N/A 18.0 ppb (26) 69.0 ppb (53) 1.0 ppb (11) N/A 41.0 μg/m3 (114) 114.0
 
Dec. 16, 2018, 6 p.m. N/A N/A N/A 35.0 ppb (32) N/A 25.0 ppb (36) 57.0 ppb (44) 1.3 ppb (14) N/A 31.0 μg/m3 (90) 90.0
 
Dec. 16, 2018, 5 p.m. N/A N/A N/A 37.0 ppb (34) N/A 26.0 ppb (37) 35.0 ppb (27) 1.4 ppb (16) N/A 36.0 μg/m3 (101) 101.0
 
Dec. 16, 2018, 4 p.m. N/A N/A N/A 37.0 ppb (34) N/A 17.0 ppb (24) 15.0 ppb (12) 1.5 ppb (17) N/A 50.0 μg/m3 (136) 136.0
 
Dec. 16, 2018, 3 p.m. N/A N/A N/A 33.0 ppb (31) N/A 10.0 ppb (14) 5.0 ppb (4) 1.7 ppb (19) N/A 49.0 μg/m3 (134) 134.0
 
Dec. 16, 2018, 2 p.m. N/A N/A N/A 28.0 ppb (26) N/A 8.0 ppb (11) 1.0 ppb (1) 1.5 ppb (17) N/A 44.0 μg/m3 (121) 121.0
 
Dec. 16, 2018, 1 p.m. N/A N/A N/A 31.0 ppb (29) N/A 17.0 ppb (24) 0.0 ppb (0) 1.2 ppb (13) N/A 38.0 μg/m3 (106) 106.0
 
Dec. 16, 2018, noon N/A N/A N/A 32.0 ppb (30) N/A 19.0 ppb (27) 1.0 ppb (1) 1.2 ppb (13) N/A 38.0 μg/m3 (106) 106.0
 
Dec. 16, 2018, 11 a.m. N/A N/A N/A 35.0 ppb (32) N/A 30.0 ppb (43) 1.0 ppb (1) 1.0 ppb (11) N/A 59.0 μg/m3 (152) 152.0
 
Dec. 16, 2018, 10 a.m. N/A N/A N/A 37.0 ppb (34) N/A 15.0 ppb (21) 0.0 ppb (0) 1.4 ppb (16) N/A 73.0 μg/m3 (159) 159.0
 
Dec. 16, 2018, 9 a.m. N/A N/A N/A 41.0 ppb (38) N/A 4.0 ppb (6) 1.0 ppb (1) 1.9 ppb (21) N/A 82.0 μg/m3 (164) 164.0
 
Dec. 16, 2018, 8 a.m. N/A N/A N/A 46.0 ppb (43) N/A 4.0 ppb (6) 1.0 ppb (1) 1.9 ppb (21) N/A 105.0 μg/m3 (176) 176.0
 
Dec. 16, 2018, 7 a.m. N/A N/A N/A 52.0 ppb (48) N/A 9.0 ppb (13) 1.0 ppb (1) 2.0 ppb (22) N/A N/A 48.0
 
Dec. 16, 2018, 6 a.m. N/A N/A N/A 60.0 ppb (56) N/A 9.0 ppb (13) 1.0 ppb (1) 2.4 ppb (27) N/A 107.0 μg/m3 (177) 177.0
 
Dec. 16, 2018, 5 a.m. N/A N/A N/A 71.0 ppb (68) N/A 9.0 ppb (13) 1.0 ppb (1) 2.3 ppb (26) N/A N/A 68.0
 
Dec. 16, 2018, 4 a.m. N/A N/A N/A 80.0 ppb (78) N/A 6.0 ppb (9) 1.0 ppb (1) 2.4 ppb (27) N/A 119.0 μg/m3 (183) 183.0
 
Dec. 16, 2018, 3 a.m. N/A N/A N/A 87.0 ppb (85) N/A 12.0 ppb (17) 1.0 ppb (1) 2.7 ppb (30) N/A 108.0 μg/m3 (178) 178.0
 
Dec. 16, 2018, 2 a.m. N/A N/A N/A 94.0 ppb (93) N/A 7.0 ppb (10) 5.0 ppb (4) 2.3 ppb (26) N/A 85.0 μg/m3 (166) 166.0
 
Dec. 16, 2018, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 22.0 ppb (17) 1.8 ppb (20) N/A 73.0 μg/m3 (159) 159.0
 
Dec. 16, 2018, midnight N/A N/A N/A 40.0 ppb (37) N/A 7.0 ppb (10) 68.0 ppb (52) 1.1 ppb (12) N/A 68.0 μg/m3 (157) 157.0
 
Dec. 15, 2018, 11 p.m. N/A N/A N/A 34.0 ppb (31) N/A 8.0 ppb (11) 75.0 ppb (58) 1.0 ppb (11) N/A 68.0 μg/m3 (157) 157.0
 
Dec. 15, 2018, 10 p.m. N/A N/A N/A 31.0 ppb (29) N/A 8.0 ppb (11) 72.0 ppb (56) 1.0 ppb (11) N/A 57.0 μg/m3 (151) 151.0
 
Dec. 15, 2018, 9 p.m. N/A N/A N/A 28.0 ppb (26) N/A 9.0 ppb (13) 63.0 ppb (48) 0.9 ppb (10) N/A 54.0 μg/m3 (146) 146.0
 
Dec. 15, 2018, 8 p.m. N/A N/A N/A 30.0 ppb (28) N/A 11.0 ppb (16) 51.0 ppb (39) 0.9 ppb (10) N/A 78.0 μg/m3 (162) 162.0
 
Dec. 15, 2018, 7 p.m. N/A N/A N/A 34.0 ppb (31) N/A 13.0 ppb (19) 36.0 ppb (28) 1.0 ppb (11) N/A 69.0 μg/m3 (157) 157.0
 
Dec. 15, 2018, 6 p.m. N/A N/A N/A 37.0 ppb (34) N/A 16.0 ppb (23) 23.0 ppb (18) 1.1 ppb (12) N/A 66.0 μg/m3 (156) 156.0
 
Dec. 15, 2018, 5 p.m. N/A N/A N/A 32.0 ppb (30) N/A 21.0 ppb (30) 17.0 ppb (13) 1.1 ppb (12) N/A 79.0 μg/m3 (162) 162.0
 
Dec. 15, 2018, 4 p.m. N/A N/A N/A 27.0 ppb (25) N/A 20.0 ppb (29) 10.0 ppb (8) 1.1 ppb (12) N/A 47.0 μg/m3 (129) 129.0
 
Dec. 15, 2018, 3 p.m. N/A N/A N/A 25.0 ppb (23) N/A 12.0 ppb (17) 4.0 ppb (3) 1.1 ppb (12) N/A 38.0 μg/m3 (106) 106.0
 
Dec. 15, 2018, 2 p.m. N/A N/A N/A 27.0 ppb (25) N/A 30.0 ppb (43) 2.0 ppb (2) 0.9 ppb (10) N/A 31.0 μg/m3 (90) 90.0
 
Dec. 15, 2018, 1 p.m. N/A N/A N/A 29.0 ppb (27) N/A 46.0 ppb (55) 1.0 ppb (1) 0.9 ppb (10) N/A 26.0 μg/m3 (80) 80.0
 
Dec. 15, 2018, noon N/A N/A N/A 28.0 ppb (26) N/A 36.0 ppb (50) 4.0 ppb (3) 0.7 ppb (8) N/A 25.0 μg/m3 (78) 78.0
 
Dec. 15, 2018, 11 a.m. N/A N/A N/A 22.0 ppb (20) N/A 17.0 ppb (24) 8.0 ppb (6) 0.6 ppb (7) N/A 31.0 μg/m3 (90) 90.0
 
Dec. 15, 2018, 10 a.m. N/A N/A N/A 29.0 ppb (27) N/A 21.0 ppb (30) 3.0 ppb (2) 0.9 ppb (10) N/A 32.0 μg/m3 (93) 93.0
 
Dec. 15, 2018, 9 a.m. N/A N/A N/A 32.0 ppb (30) N/A 2.0 ppb (3) 0.0 ppb (0) 1.3 ppb (14) N/A 31.0 μg/m3 (90) 90.0
 
Dec. 15, 2018, 8 a.m. N/A N/A N/A 39.0 ppb (36) N/A 5.0 ppb (7) 1.0 ppb (1) 1.5 ppb (17) N/A 26.0 μg/m3 (80) 80.0
 
Dec. 15, 2018, 7 a.m. N/A N/A N/A 38.0 ppb (35) N/A 2.0 ppb (3) 1.0 ppb (1) 1.5 ppb (17) N/A N/A 35.0
 
Dec. 15, 2018, 6 a.m. N/A N/A N/A 38.0 ppb (35) N/A 2.0 ppb (3) 1.0 ppb (1) 1.4 ppb (16) N/A 30.0 μg/m3 (88) 88.0
 
Dec. 15, 2018, 5 a.m. N/A N/A N/A 36.0 ppb (33) N/A 2.0 ppb (3) 3.0 ppb (2) 1.1 ppb (12) N/A 30.0 μg/m3 (88) 88.0
 
Dec. 15, 2018, 4 a.m. N/A N/A N/A 35.0 ppb (32) N/A 2.0 ppb (3) 6.0 ppb (5) 1.0 ppb (11) N/A 37.0 μg/m3 (104) 104.0
 
Dec. 15, 2018, 3 a.m. N/A N/A N/A 38.0 ppb (35) N/A 2.0 ppb (3) 6.0 ppb (5) 1.0 ppb (11) N/A 26.0 μg/m3 (80) 80.0
 
Dec. 15, 2018, 2 a.m. N/A N/A N/A 35.0 ppb (32) N/A 2.0 ppb (3) 13.0 ppb (10) 0.9 ppb (10) N/A 20.0 μg/m3 (67) 67.0
 
Dec. 15, 2018, 1 a.m. N/A N/A N/A 32.0 ppb (30) N/A 2.0 ppb (3) 20.0 ppb (15) 0.8 ppb (9) N/A 19.0 μg/m3 (65) 65.0
 
Dec. 15, 2018, midnight N/A N/A N/A 17.0 ppb (16) N/A 2.0 ppb (3) 35.0 ppb (27) 0.5 ppb (6) N/A 18.0 μg/m3 (63) 63.0
 
Dec. 14, 2018, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A 2.0 ppb (3) 44.0 ppb (34) 0.4 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Dec. 14, 2018, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A 2.0 ppb (3) 54.0 ppb (42) 0.4 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Dec. 14, 2018, 9 p.m. N/A N/A N/A 8.0 ppb (7) N/A 3.0 ppb (4) 52.0 ppb (40) 0.5 ppb (6) N/A 5.0 μg/m3 (21) 40.0
 
Dec. 14, 2018, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 4.0 ppb (6) 53.0 ppb (41) 0.4 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Dec. 14, 2018, 7 p.m. N/A N/A N/A 9.0 ppb (8) N/A 8.0 ppb (11) 50.0 ppb (38) 0.5 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
Dec. 14, 2018, 6 p.m. N/A N/A N/A 14.0 ppb (13) N/A 13.0 ppb (19) 38.0 ppb (29) 0.7 ppb (8) N/A 10.0 μg/m3 (42) 42.0
 
Dec. 14, 2018, 5 p.m. N/A N/A N/A 27.0 ppb (25) N/A 12.0 ppb (17) 25.0 ppb (19) 1.0 ppb (11) N/A 16.0 μg/m3 (59) 59.0
 
Dec. 14, 2018, 4 p.m. N/A N/A N/A 26.0 ppb (24) N/A 4.0 ppb (6) 14.0 ppb (11) 1.0 ppb (11) N/A N/A 24.0
 
Dec. 14, 2018, 3 p.m. N/A N/A N/A 21.0 ppb (19) N/A 3.0 ppb (4) 6.0 ppb (5) 1.1 ppb (12) N/A 32.0 μg/m3 (93) 93.0
 
Dec. 14, 2018, 2 p.m. N/A N/A N/A 23.0 ppb (21) N/A 2.0 ppb (3) 1.0 ppb (1) 1.3 ppb (14) N/A 18.0 μg/m3 (63) 63.0
 
Dec. 14, 2018, 1 p.m. N/A N/A N/A 24.0 ppb (22) N/A 2.0 ppb (3) 1.0 ppb (1) 1.0 ppb (11) N/A 18.0 μg/m3 (63) 63.0
 
Dec. 14, 2018, noon N/A N/A N/A 22.0 ppb (20) N/A 2.0 ppb (3) 1.0 ppb (1) 0.9 ppb (10) N/A 12.0 μg/m3 (50) 50.0
 
Dec. 14, 2018, 11 a.m. N/A N/A N/A 23.0 ppb (21) N/A 2.0 ppb (3) 0.0 ppb (0) 0.7 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Dec. 14, 2018, 10 a.m. N/A N/A N/A 23.0 ppb (21) N/A 2.0 ppb (3) 1.0 ppb (1) 0.8 ppb (9) N/A 18.0 μg/m3 (63) 63.0
 
Dec. 14, 2018, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (76) 76.0
 
Dec. 14, 2018, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (67) 67.0
 
Dec. 14, 2018, 6 a.m. N/A N/A N/A 31.0 ppb (29) N/A 2.0 ppb (3) 1.0 ppb (1) 1.0 ppb (11) N/A 19.0 μg/m3 (65) 65.0
 
Dec. 14, 2018, 5 a.m. N/A N/A N/A 30.0 ppb (28) N/A 2.0 ppb (3) 3.0 ppb (2) 0.9 ppb (10) N/A 26.0 μg/m3 (80) 80.0
 
Dec. 14, 2018, 4 a.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 8.0 ppb (6) 0.7 ppb (8) N/A 20.0 μg/m3 (67) 67.0
 
Dec. 14, 2018, 3 a.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 15.0 ppb (12) 0.7 ppb (8) N/A 21.0 μg/m3 (69) 69.0
 
Dec. 14, 2018, 2 a.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 21.0 ppb (16) 0.6 ppb (7) N/A 17.0 μg/m3 (61) 61.0
 
Dec. 14, 2018, 1 a.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 26.0 ppb (20) 0.5 ppb (6) N/A 21.0 μg/m3 (69) 69.0
 
Dec. 14, 2018, midnight N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 30.0 ppb (23) 0.4 ppb (4) N/A 20.0 μg/m3 (67) 67.0
 
Dec. 13, 2018, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 43.0 ppb (33) 0.4 ppb (4) N/A 5.0 μg/m3 (21) 33.0
 
Dec. 13, 2018, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 49.0 ppb (38) 0.4 ppb (4) N/A 8.0 μg/m3 (33) 38.0
 
Dec. 13, 2018, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 45.0 ppb (35) 0.4 ppb (4) N/A 2.0 μg/m3 (8) 35.0
 
Dec. 13, 2018, 8 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 41.0 ppb (32) 0.4 ppb (4) N/A N/A 32.0
 
Dec. 13, 2018, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 39.0 ppb (30) 0.4 ppb (4) N/A N/A 30.0
 
Dec. 13, 2018, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 32.0 ppb (25) 0.4 ppb (4) N/A N/A 25.0
 
Dec. 13, 2018, 5 p.m. N/A N/A N/A 14.0 ppb (13) N/A 2.0 ppb (3) 20.0 ppb (15) 0.7 ppb (8) N/A 8.0 μg/m3 (33) 33.0
 
Dec. 13, 2018, 4 p.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 14.0 ppb (11) 0.8 ppb (9) N/A 1.0 μg/m3 (4) 17.0
 
Dec. 13, 2018, 3 p.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 12.0 ppb (9) 0.9 ppb (10) N/A 13.0 μg/m3 (52) 52.0
 
Dec. 13, 2018, 2 p.m. N/A N/A N/A 25.0 ppb (23) N/A 2.0 ppb (3) 3.0 ppb (2) 0.9 ppb (10) N/A 20.0 μg/m3 (67) 67.0
 
Dec. 13, 2018, 1 p.m. N/A N/A N/A 26.0 ppb (24) N/A 1.0 ppb (1) 2.0 ppb (2) 0.8 ppb (9) N/A 16.0 μg/m3 (59) 59.0
 
Dec. 13, 2018, noon N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 9.0 ppb (7) 0.6 ppb (7) N/A 21.0 μg/m3 (69) 69.0
 
Dec. 13, 2018, 11 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 21.0 ppb (16) 0.5 ppb (6) N/A 17.0 μg/m3 (61) 61.0
 
Dec. 13, 2018, 10 a.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 18.0 ppb (14) 0.6 ppb (7) N/A 32.0 μg/m3 (93) 93.0
 
Dec. 13, 2018, 9 a.m. N/A N/A N/A 33.0 ppb (31) N/A 2.0 ppb (3) 2.0 ppb (2) 1.1 ppb (12) N/A 35.0 μg/m3 (99) 99.0
 
Dec. 13, 2018, 8 a.m. N/A N/A N/A 38.0 ppb (35) N/A 2.0 ppb (3) 1.0 ppb (1) 1.2 ppb (13) N/A 24.0 μg/m3 (76) 76.0
 
Dec. 13, 2018, 7 a.m. N/A N/A N/A 28.0 ppb (26) N/A 2.0 ppb (3) 8.0 ppb (6) 0.9 ppb (10) N/A N/A 26.0
 
Dec. 13, 2018, 6 a.m. N/A N/A N/A 21.0 ppb (19) N/A 2.0 ppb (3) 15.0 ppb (12) 0.7 ppb (8) N/A 29.0 μg/m3 (86) 86.0
 
Dec. 13, 2018, 5 a.m. N/A N/A N/A 29.0 ppb (27) N/A 2.0 ppb (3) 17.0 ppb (13) 0.9 ppb (10) N/A 34.0 μg/m3 (97) 97.0
 
Dec. 13, 2018, 4 a.m. N/A N/A N/A 26.0 ppb (24) N/A 2.0 ppb (3) 23.0 ppb (18) 0.9 ppb (10) N/A 33.0 μg/m3 (95) 95.0
 
Dec. 13, 2018, 3 a.m. N/A N/A N/A 25.0 ppb (23) N/A 2.0 ppb (3) 26.0 ppb (20) 0.9 ppb (10) N/A 36.0 μg/m3 (101) 101.0
 
Dec. 13, 2018, 2 a.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 35.0 ppb (27) 0.8 ppb (9) N/A 38.0 μg/m3 (106) 106.0
 
Dec. 13, 2018, 1 a.m. N/A N/A N/A 16.0 ppb (15) N/A 2.0 ppb (3) 42.0 ppb (32) 0.7 ppb (8) N/A 34.0 μg/m3 (97) 97.0
 
Dec. 13, 2018, midnight N/A N/A N/A 13.0 ppb (12) N/A 3.0 ppb (4) 49.0 ppb (38) 0.6 ppb (7) N/A 36.0 μg/m3 (101) 101.0
 
Dec. 12, 2018, 11 p.m. N/A N/A N/A 12.0 ppb (11) N/A 4.0 ppb (6) 61.0 ppb (47) 0.6 ppb (7) N/A 43.0 μg/m3 (119) 119.0
 
Dec. 12, 2018, 10 p.m. N/A N/A N/A 16.0 ppb (15) N/A 6.0 ppb (9) 79.0 ppb (62) 0.7 ppb (8) N/A 38.0 μg/m3 (106) 106.0
 
Dec. 12, 2018, 9 p.m. N/A N/A N/A 15.0 ppb (14) N/A 7.0 ppb (10) 78.0 ppb (61) 0.7 ppb (8) N/A 23.0 μg/m3 (73) 73.0
 
Dec. 12, 2018, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (90) 90.0
 
Dec. 12, 2018, 4 p.m. N/A N/A N/A 28.0 ppb (26) N/A 7.0 ppb (10) 18.0 ppb (14) 1.2 ppb (13) N/A 47.0 μg/m3 (129) 129.0
 
Dec. 12, 2018, 3 p.m. N/A N/A N/A 25.0 ppb (23) N/A 4.0 ppb (6) 6.0 ppb (5) 1.3 ppb (14) N/A 45.0 μg/m3 (124) 124.0
 
Dec. 12, 2018, 2 p.m. N/A N/A N/A 26.0 ppb (24) N/A 3.0 ppb (4) 2.0 ppb (2) 1.2 ppb (13) N/A 44.0 μg/m3 (121) 121.0
 
Dec. 12, 2018, 1 p.m. N/A N/A N/A 24.0 ppb (22) N/A 3.0 ppb (4) 2.0 ppb (2) 0.9 ppb (10) N/A 42.0 μg/m3 (116) 116.0
 
Dec. 12, 2018, noon N/A N/A N/A 21.0 ppb (19) N/A 2.0 ppb (3) 4.0 ppb (3) 0.7 ppb (8) N/A 45.0 μg/m3 (124) 124.0
 
Dec. 12, 2018, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 7.0 ppb (5) 0.7 ppb (8) N/A 45.0 μg/m3 (124) 124.0
 
Dec. 12, 2018, 10 a.m. N/A N/A N/A 21.0 ppb (19) N/A 2.0 ppb (3) 6.0 ppb (5) 0.7 ppb (8) N/A 46.0 μg/m3 (126) 126.0
 
Dec. 12, 2018, 9 a.m. N/A N/A N/A 24.0 ppb (22) N/A 2.0 ppb (3) 5.0 ppb (4) 0.8 ppb (9) N/A 56.0 μg/m3 (150) 150.0
 
Dec. 12, 2018, 8 a.m. N/A N/A N/A 32.0 ppb (30) N/A 2.0 ppb (3) 2.0 ppb (2) 1.1 ppb (12) N/A 51.0 μg/m3 (139) 139.0
 
Dec. 12, 2018, 7 a.m. N/A N/A N/A 40.0 ppb (37) N/A 2.0 ppb (3) 3.0 ppb (2) 1.3 ppb (14) N/A N/A 37.0
 
Dec. 12, 2018, 6 a.m. N/A N/A N/A 41.0 ppb (38) N/A 3.0 ppb (4) 4.0 ppb (3) 1.2 ppb (13) N/A 47.0 μg/m3 (129) 129.0
 
Dec. 12, 2018, 5 a.m. N/A N/A N/A 46.0 ppb (43) N/A 3.0 ppb (4) 4.0 ppb (3) 1.3 ppb (14) N/A 40.0 μg/m3 (111) 111.0
 
Dec. 12, 2018, 4 a.m. N/A N/A N/A 48.0 ppb (44) N/A 3.0 ppb (4) 5.0 ppb (4) 1.3 ppb (14) N/A 46.0 μg/m3 (126) 126.0
 
Dec. 12, 2018, 3 a.m. N/A N/A N/A 39.0 ppb (36) N/A 3.0 ppb (4) 15.0 ppb (12) 1.1 ppb (12) N/A 44.0 μg/m3 (121) 121.0
 
Dec. 12, 2018, 2 a.m. N/A N/A N/A 33.0 ppb (31) N/A 3.0 ppb (4) 28.0 ppb (22) 1.0 ppb (11) N/A 69.0 μg/m3 (157) 157.0
 
Dec. 12, 2018, 1 a.m. N/A N/A N/A 27.0 ppb (25) N/A 4.0 ppb (6) 40.0 ppb (31) 0.8 ppb (9) N/A 45.0 μg/m3 (124) 124.0
 
Dec. 12, 2018, midnight N/A N/A N/A 24.0 ppb (22) N/A 6.0 ppb (9) 67.0 ppb (52) 0.7 ppb (8) N/A 33.0 μg/m3 (95) 95.0
 
Dec. 11, 2018, 11 p.m. N/A N/A N/A 20.0 ppb (19) N/A 6.0 ppb (9) 68.0 ppb (52) 0.6 ppb (7) N/A 24.0 μg/m3 (76) 76.0
 
Dec. 11, 2018, 10 p.m. N/A N/A N/A 17.0 ppb (16) N/A 6.0 ppb (9) 67.0 ppb (52) 0.6 ppb (7) N/A 42.0 μg/m3 (116) 116.0
 
Dec. 11, 2018, 9 p.m. N/A N/A N/A 21.0 ppb (19) N/A 7.0 ppb (10) 59.0 ppb (45) 0.7 ppb (8) N/A 74.0 μg/m3 (160) 160.0
 
Dec. 11, 2018, 8 p.m. N/A N/A N/A 38.0 ppb (35) N/A 10.0 ppb (14) 47.0 ppb (36) 1.0 ppb (11) N/A 97.0 μg/m3 (172) 172.0
 
Dec. 11, 2018, 7 p.m. N/A N/A N/A 47.0 ppb (44) N/A 12.0 ppb (17) 28.0 ppb (22) 1.3 ppb (14) N/A 111.0 μg/m3 (179) 179.0
 
Dec. 11, 2018, 6 p.m. N/A N/A N/A 44.0 ppb (41) N/A 12.0 ppb (17) 15.0 ppb (12) 1.3 ppb (14) N/A 110.0 μg/m3 (179) 179.0
 
Dec. 11, 2018, 5 p.m. N/A N/A N/A 36.0 ppb (33) N/A 13.0 ppb (19) 8.0 ppb (6) 1.3 ppb (14) N/A 85.0 μg/m3 (166) 166.0
 
Dec. 11, 2018, 4 p.m. N/A N/A N/A 31.0 ppb (29) N/A 16.0 ppb (23) 5.0 ppb (4) 1.3 ppb (14) N/A 76.0 μg/m3 (161) 161.0
 
Dec. 11, 2018, 3 p.m. N/A N/A N/A 25.0 ppb (23) N/A 19.0 ppb (27) 3.0 ppb (2) 1.1 ppb (12) N/A 74.0 μg/m3 (160) 160.0
 
Dec. 11, 2018, 2 p.m. N/A N/A N/A 21.0 ppb (19) N/A 17.0 ppb (24) 1.0 ppb (1) 1.1 ppb (12) N/A 78.0 μg/m3 (162) 162.0
 
Dec. 11, 2018, 1 p.m. N/A N/A N/A 21.0 ppb (19) N/A 16.0 ppb (23) 1.0 ppb (1) 0.8 ppb (9) N/A 63.0 μg/m3 (154) 154.0