AQSQID: 800090171

Site Name: Merced

Location: Ciudad de México (Av. Congreso de la Union), MX

Reporting: False, Located: True

Current AQI: None

Ciudad de México (Av. Congreso de la Union) MX, MX: 19.4246, -99.1195

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 17, 2018, 3 p.m. N/A N/A N/A 63.0 ppb (60) N/A 39.0 ppb (52) 6.0 ppb (5) 1.9 ppb (21) 115.0 μg/m3 (80) 55.0 μg/m3 (149) 149.0
 
Dec. 17, 2018, 2 p.m. N/A N/A N/A 48.0 ppb (44) N/A 27.0 ppb (39) 4.0 ppb (3) 2.2 ppb (24) 83.0 μg/m3 (64) 39.0 μg/m3 (109) 109.0
 
Dec. 17, 2018, 1 p.m. N/A N/A N/A 47.0 ppb (44) N/A 25.0 ppb (36) 3.0 ppb (2) 1.8 ppb (20) 68.0 μg/m3 (56) 36.0 μg/m3 (101) 101.0
 
Dec. 17, 2018, noon N/A N/A N/A 45.0 ppb (42) N/A 38.0 ppb (51) 3.0 ppb (2) 1.0 ppb (11) 52.0 μg/m3 (47) 25.0 μg/m3 (78) 78.0
 
Dec. 17, 2018, 11 a.m. N/A N/A N/A 42.0 ppb (39) N/A 66.0 ppb (64) 3.0 ppb (2) 0.8 ppb (9) 59.0 μg/m3 (52) 28.0 μg/m3 (84) 84.0
 
Dec. 17, 2018, 10 a.m. N/A N/A N/A 43.0 ppb (40) N/A 58.0 ppb (60) 3.0 ppb (2) 0.8 ppb (9) 53.0 μg/m3 (48) 22.0 μg/m3 (71) 71.0
 
Dec. 17, 2018, 9 a.m. N/A N/A N/A 46.0 ppb (43) N/A 43.0 ppb (54) 3.0 ppb (2) 0.9 ppb (10) 44.0 μg/m3 (40) 19.0 μg/m3 (65) 65.0
 
Dec. 17, 2018, 8 a.m. N/A N/A N/A 50.0 ppb (46) N/A 33.0 ppb (47) 3.0 ppb (2) 0.8 ppb (9) 45.0 μg/m3 (41) 22.0 μg/m3 (71) 71.0
 
Dec. 17, 2018, 7 a.m. N/A N/A N/A 48.0 ppb (44) N/A 47.0 ppb (55) 6.0 ppb (5) 0.8 ppb (9) 51.0 μg/m3 (46) 24.0 μg/m3 (76) 76.0
 
Dec. 17, 2018, 6 a.m. N/A N/A N/A 48.0 ppb (44) N/A 72.0 ppb (67) 8.0 ppb (6) 0.8 ppb (9) 51.0 μg/m3 (46) 22.0 μg/m3 (71) 71.0
 
Dec. 17, 2018, 5 a.m. N/A N/A N/A 50.0 ppb (46) N/A 76.0 ppb (69) 9.0 ppb (7) 1.0 ppb (11) 68.0 μg/m3 (56) 34.0 μg/m3 (97) 97.0
 
Dec. 17, 2018, 4 a.m. N/A N/A N/A 56.0 ppb (52) N/A 62.0 ppb (62) 9.0 ppb (7) 1.1 ppb (12) 74.0 μg/m3 (60) 37.0 μg/m3 (104) 104.0
 
Dec. 17, 2018, 3 a.m. N/A N/A N/A 57.0 ppb (53) N/A 67.0 ppb (65) 17.0 ppb (13) 1.1 ppb (12) 80.0 μg/m3 (62) 38.0 μg/m3 (106) 106.0
 
Dec. 17, 2018, 2 a.m. N/A N/A N/A 62.0 ppb (59) N/A 23.0 ppb (33) 19.0 ppb (15) 1.1 ppb (12) 80.0 μg/m3 (62) 42.0 μg/m3 (116) 116.0
 
Dec. 17, 2018, 1 a.m. N/A N/A N/A 100.0 ppb (99) N/A 9.0 ppb (13) 19.0 ppb (15) 1.8 ppb (20) 73.0 μg/m3 (59) 49.0 μg/m3 (134) 134.0
 
Dec. 17, 2018, midnight N/A N/A N/A 39.0 ppb (36) N/A 9.0 ppb (13) 91.0 ppb (72) 0.8 ppb (9) 75.0 μg/m3 (60) 52.0 μg/m3 (141) 141.0
 
Dec. 16, 2018, 11 p.m. N/A N/A N/A 30.0 ppb (28) N/A 8.0 ppb (11) 97.0 ppb (77) 0.7 ppb (8) 50.0 μg/m3 (45) 25.0 μg/m3 (78) 78.0
 
Dec. 16, 2018, 10 p.m. N/A N/A N/A 27.0 ppb (25) N/A 8.0 ppb (11) 86.0 ppb (68) 0.6 ppb (7) 48.0 μg/m3 (44) 26.0 μg/m3 (80) 80.0
 
Dec. 16, 2018, 9 p.m. N/A N/A N/A 30.0 ppb (28) N/A 10.0 ppb (14) 92.0 ppb (72) 0.7 ppb (8) 62.0 μg/m3 (54) 40.0 μg/m3 (111) 111.0
 
Dec. 16, 2018, 8 p.m. N/A N/A N/A 38.0 ppb (35) N/A 14.0 ppb (20) 78.0 ppb (61) 0.8 ppb (9) 106.0 μg/m3 (76) 66.0 μg/m3 (156) 156.0
 
Dec. 16, 2018, 7 p.m. N/A N/A N/A 50.0 ppb (46) N/A 21.0 ppb (30) 65.0 ppb (50) 1.1 ppb (12) 119.0 μg/m3 (82) 74.0 μg/m3 (160) 160.0
 
Dec. 16, 2018, 6 p.m. N/A N/A N/A 64.0 ppb (61) N/A 33.0 ppb (47) 42.0 ppb (32) 1.3 ppb (14) 107.0 μg/m3 (76) 62.0 μg/m3 (153) 153.0
 
Dec. 16, 2018, 5 p.m. N/A N/A N/A 54.0 ppb (50) N/A 39.0 ppb (52) 27.0 ppb (21) 1.3 ppb (14) 95.0 μg/m3 (70) 51.0 μg/m3 (139) 139.0
 
Dec. 16, 2018, 4 p.m. N/A N/A N/A 49.0 ppb (45) N/A 39.0 ppb (52) 13.0 ppb (10) 1.4 ppb (16) 93.0 μg/m3 (69) 46.0 μg/m3 (126) 126.0
 
Dec. 16, 2018, 3 p.m. N/A N/A N/A 51.0 ppb (47) N/A 34.0 ppb (49) 7.0 ppb (5) 1.6 ppb (18) 74.0 μg/m3 (60) 34.0 μg/m3 (97) 97.0
 
Dec. 16, 2018, 2 p.m. N/A N/A N/A 47.0 ppb (44) N/A 21.0 ppb (30) 3.0 ppb (2) 1.2 ppb (13) 59.0 μg/m3 (52) 26.0 μg/m3 (80) 80.0
 
Dec. 16, 2018, 1 p.m. N/A N/A N/A 42.0 ppb (39) N/A 17.0 ppb (24) 3.0 ppb (2) 1.0 ppb (11) 58.0 μg/m3 (52) 26.0 μg/m3 (80) 80.0
 
Dec. 16, 2018, noon N/A N/A N/A 38.0 ppb (35) N/A 18.0 ppb (26) 3.0 ppb (2) 0.9 ppb (10) 76.0 μg/m3 (60) 39.0 μg/m3 (109) 109.0
 
Dec. 16, 2018, 11 a.m. N/A N/A N/A 36.0 ppb (33) N/A 20.0 ppb (29) 3.0 ppb (2) 1.1 ppb (12) 85.0 μg/m3 (65) 33.0 μg/m3 (95) 95.0
 
Dec. 16, 2018, 10 a.m. N/A N/A N/A 42.0 ppb (39) N/A 16.0 ppb (23) 3.0 ppb (2) 1.3 ppb (14) 92.0 μg/m3 (68) 41.0 μg/m3 (114) 114.0
 
Dec. 16, 2018, 9 a.m. N/A N/A N/A 43.0 ppb (40) N/A 11.0 ppb (16) 3.0 ppb (2) 1.2 ppb (13) 98.0 μg/m3 (72) 38.0 μg/m3 (106) 106.0
 
Dec. 16, 2018, 8 a.m. N/A N/A N/A 52.0 ppb (48) N/A 11.0 ppb (16) 3.0 ppb (2) 1.3 ppb (14) 103.0 μg/m3 (74) 61.0 μg/m3 (153) 153.0
 
Dec. 16, 2018, 7 a.m. N/A N/A N/A 58.0 ppb (54) N/A 46.0 ppb (55) 4.0 ppb (3) 1.3 ppb (14) 87.0 μg/m3 (66) 45.0 μg/m3 (124) 124.0
 
Dec. 16, 2018, 6 a.m. N/A N/A N/A 55.0 ppb (51) N/A 51.0 ppb (57) 5.0 ppb (4) 1.2 ppb (13) 82.0 μg/m3 (64) 36.0 μg/m3 (101) 101.0
 
Dec. 16, 2018, 5 a.m. N/A N/A N/A 57.0 ppb (53) N/A 33.0 ppb (47) 5.0 ppb (4) 1.0 ppb (11) 92.0 μg/m3 (68) 40.0 μg/m3 (111) 111.0
 
Dec. 16, 2018, 4 a.m. N/A N/A N/A 65.0 ppb (62) N/A 51.0 ppb (57) 6.0 ppb (5) 1.2 ppb (13) 108.0 μg/m3 (76) 44.0 μg/m3 (121) 121.0
 
Dec. 16, 2018, 3 a.m. N/A N/A N/A 68.0 ppb (65) N/A 50.0 ppb (57) 8.0 ppb (6) 1.2 ppb (13) 115.0 μg/m3 (80) 52.0 μg/m3 (141) 141.0
 
Dec. 16, 2018, 2 a.m. N/A N/A N/A 72.0 ppb (69) N/A 62.0 ppb (62) 15.0 ppb (12) 1.3 ppb (14) 117.0 μg/m3 (81) 60.0 μg/m3 (152) 152.0
 
Dec. 16, 2018, 1 a.m. N/A N/A N/A 80.0 ppb (78) N/A 9.0 ppb (13) 28.0 ppb (22) 1.4 ppb (16) 110.0 μg/m3 (78) 64.0 μg/m3 (154) 154.0
 
Dec. 16, 2018, midnight N/A N/A N/A 56.0 ppb (52) N/A 7.0 ppb (10) 65.0 ppb (50) 0.9 ppb (10) 101.0 μg/m3 (73) 62.0 μg/m3 (153) 153.0
 
Dec. 15, 2018, 11 p.m. N/A N/A N/A 45.0 ppb (42) N/A 7.0 ppb (10) 83.0 ppb (65) 0.9 ppb (10) 100.0 μg/m3 (72) 61.0 μg/m3 (153) 153.0
 
Dec. 15, 2018, 10 p.m. N/A N/A N/A 44.0 ppb (41) N/A 8.0 ppb (11) 81.0 ppb (63) 0.9 ppb (10) 113.0 μg/m3 (79) 69.0 μg/m3 (157) 157.0
 
Dec. 15, 2018, 9 p.m. N/A N/A N/A 48.0 ppb (44) N/A 9.0 ppb (13) 64.0 ppb (49) 1.0 ppb (11) 119.0 μg/m3 (82) 69.0 μg/m3 (157) 157.0
 
Dec. 15, 2018, 8 p.m. N/A N/A N/A 43.0 ppb (40) N/A 11.0 ppb (16) 52.0 ppb (40) 1.0 ppb (11) 131.0 μg/m3 (88) 77.0 μg/m3 (161) 161.0
 
Dec. 15, 2018, 7 p.m. N/A N/A N/A 42.0 ppb (39) N/A 15.0 ppb (21) 35.0 ppb (27) 1.0 ppb (11) 141.0 μg/m3 (93) 89.0 μg/m3 (168) 168.0
 
Dec. 15, 2018, 6 p.m. N/A N/A N/A 45.0 ppb (42) N/A 22.0 ppb (31) 24.0 ppb (18) 1.0 ppb (11) 144.0 μg/m3 (94) 93.0 μg/m3 (170) 170.0
 
Dec. 15, 2018, 5 p.m. N/A N/A N/A 42.0 ppb (39) N/A 25.0 ppb (36) 16.0 ppb (12) 1.1 ppb (12) 130.0 μg/m3 (88) 81.0 μg/m3 (163) 163.0
 
Dec. 15, 2018, 4 p.m. N/A N/A N/A 37.0 ppb (34) N/A 25.0 ppb (36) 10.0 ppb (8) 1.1 ppb (12) 140.0 μg/m3 (92) 94.0 μg/m3 (170) 170.0
 
Dec. 15, 2018, 3 p.m. N/A N/A N/A 37.0 ppb (34) N/A 24.0 ppb (34) 7.0 ppb (5) 1.1 ppb (12) 105.0 μg/m3 (75) 62.0 μg/m3 (153) 153.0
 
Dec. 15, 2018, 2 p.m. N/A N/A N/A 35.0 ppb (32) N/A 15.0 ppb (21) 3.0 ppb (2) 1.0 ppb (11) 54.0 μg/m3 (49) 31.0 μg/m3 (90) 90.0
 
Dec. 15, 2018, 1 p.m. N/A N/A N/A 35.0 ppb (32) N/A 39.0 ppb (52) 3.0 ppb (2) 0.9 ppb (10) 61.0 μg/m3 (53) 34.0 μg/m3 (97) 97.0
 
Dec. 15, 2018, noon N/A N/A N/A 33.0 ppb (31) N/A 43.0 ppb (54) 3.0 ppb (2) 0.8 ppb (9) 51.0 μg/m3 (46) 26.0 μg/m3 (80) 80.0
 
Dec. 15, 2018, 11 a.m. N/A N/A N/A 35.0 ppb (32) N/A 34.0 ppb (49) 3.0 ppb (2) 0.8 ppb (9) 58.0 μg/m3 (52) 33.0 μg/m3 (95) 95.0
 
Dec. 15, 2018, 10 a.m. N/A N/A N/A 39.0 ppb (36) N/A 66.0 ppb (64) 3.0 ppb (2) 0.8 ppb (9) 60.0 μg/m3 (52) 33.0 μg/m3 (95) 95.0
 
Dec. 15, 2018, 9 a.m. N/A N/A N/A 39.0 ppb (36) N/A 76.0 ppb (69) 3.0 ppb (2) 0.7 ppb (8) 65.0 μg/m3 (55) 30.0 μg/m3 (88) 88.0
 
Dec. 15, 2018, 8 a.m. N/A N/A N/A 43.0 ppb (40) N/A 67.0 ppb (65) 3.0 ppb (2) 0.8 ppb (9) 60.0 μg/m3 (52) 25.0 μg/m3 (78) 78.0
 
Dec. 15, 2018, 7 a.m. N/A N/A N/A 47.0 ppb (44) N/A 41.0 ppb (53) 3.0 ppb (2) 0.8 ppb (9) 75.0 μg/m3 (60) 22.0 μg/m3 (71) 71.0
 
Dec. 15, 2018, 6 a.m. N/A N/A N/A 50.0 ppb (46) N/A 15.0 ppb (21) 4.0 ppb (3) 0.9 ppb (10) 75.0 μg/m3 (60) 28.0 μg/m3 (84) 84.0
 
Dec. 15, 2018, 5 a.m. N/A N/A N/A 57.0 ppb (53) N/A 5.0 ppb (7) 3.0 ppb (2) 1.5 ppb (17) 53.0 μg/m3 (48) 23.0 μg/m3 (73) 73.0
 
Dec. 15, 2018, 4 a.m. N/A N/A N/A 57.0 ppb (53) N/A 4.0 ppb (6) 3.0 ppb (2) 1.1 ppb (12) 63.0 μg/m3 (54) 26.0 μg/m3 (80) 80.0
 
Dec. 15, 2018, 3 a.m. N/A N/A N/A 61.0 ppb (57) N/A 4.0 ppb (6) 3.0 ppb (2) 1.3 ppb (14) 55.0 μg/m3 (50) 23.0 μg/m3 (73) 73.0
 
Dec. 15, 2018, 2 a.m. N/A N/A N/A 60.0 ppb (56) N/A 4.0 ppb (6) 5.0 ppb (4) 1.2 ppb (13) 51.0 μg/m3 (46) 21.0 μg/m3 (69) 69.0
 
Dec. 15, 2018, 1 a.m. N/A N/A N/A 42.0 ppb (39) N/A 3.0 ppb (4) 22.0 ppb (17) 0.9 ppb (10) 57.0 μg/m3 (51) 26.0 μg/m3 (80) 80.0
 
Dec. 15, 2018, midnight N/A N/A N/A 31.0 ppb (29) N/A 3.0 ppb (4) 34.0 ppb (26) 0.7 ppb (8) 53.0 μg/m3 (48) 16.0 μg/m3 (59) 59.0
 
Dec. 14, 2018, 11 p.m. N/A N/A N/A 24.0 ppb (22) N/A 3.0 ppb (4) 49.0 ppb (38) 0.6 ppb (7) 54.0 μg/m3 (49) 14.0 μg/m3 (54) 54.0
 
Dec. 14, 2018, 10 p.m. N/A N/A N/A 22.0 ppb (20) N/A 3.0 ppb (4) 60.0 ppb (46) 0.5 ppb (6) 52.0 μg/m3 (47) 17.0 μg/m3 (61) 61.0
 
Dec. 14, 2018, 9 p.m. N/A N/A N/A 20.0 ppb (19) N/A 4.0 ppb (6) 63.0 ppb (48) 0.5 ppb (6) 49.0 μg/m3 (45) 25.0 μg/m3 (78) 78.0
 
Dec. 14, 2018, 8 p.m. N/A N/A N/A 17.0 ppb (16) N/A 6.0 ppb (9) 70.0 ppb (54) 0.5 ppb (6) 64.0 μg/m3 (54) 29.0 μg/m3 (86) 86.0
 
Dec. 14, 2018, 7 p.m. N/A N/A N/A 28.0 ppb (26) N/A 10.0 ppb (14) 61.0 ppb (47) 0.7 ppb (8) 83.0 μg/m3 (64) 43.0 μg/m3 (119) 119.0
 
Dec. 14, 2018, 6 p.m. N/A N/A N/A 60.0 ppb (56) N/A 11.0 ppb (16) 40.0 ppb (31) 1.3 ppb (14) 67.0 μg/m3 (56) 37.0 μg/m3 (104) 104.0
 
Dec. 14, 2018, 5 p.m. N/A N/A N/A 51.0 ppb (47) N/A 11.0 ppb (16) 21.0 ppb (16) 1.1 ppb (12) 77.0 μg/m3 (61) 33.0 μg/m3 (95) 95.0
 
Dec. 14, 2018, 4 p.m. N/A N/A N/A 55.0 ppb (51) N/A 9.0 ppb (13) 9.0 ppb (7) 2.0 ppb (22) 83.0 μg/m3 (64) 28.0 μg/m3 (84) 84.0
 
Dec. 14, 2018, 3 p.m. N/A N/A N/A 40.0 ppb (37) N/A 7.0 ppb (10) 4.0 ppb (3) 1.8 ppb (20) 82.0 μg/m3 (64) 32.0 μg/m3 (93) 93.0
 
Dec. 14, 2018, 2 p.m. N/A N/A N/A 35.0 ppb (32) N/A 7.0 ppb (10) 3.0 ppb (2) 1.9 ppb (21) 62.0 μg/m3 (54) 25.0 μg/m3 (78) 78.0
 
Dec. 14, 2018, 1 p.m. N/A N/A N/A 33.0 ppb (31) N/A 8.0 ppb (11) 2.0 ppb (2) 1.6 ppb (18) 50.0 μg/m3 (45) 20.0 μg/m3 (67) 67.0
 
Dec. 14, 2018, noon N/A N/A N/A 33.0 ppb (31) N/A 5.0 ppb (7) 2.0 ppb (2) 1.3 ppb (14) 34.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Dec. 14, 2018, 11 a.m. N/A N/A N/A 31.0 ppb (29) N/A 4.0 ppb (6) 2.0 ppb (2) 1.2 ppb (13) 41.0 μg/m3 (37) 19.0 μg/m3 (65) 65.0
 
Dec. 14, 2018, 10 a.m. N/A N/A N/A 35.0 ppb (32) N/A 4.0 ppb (6) 2.0 ppb (2) 1.0 ppb (11) 39.0 μg/m3 (35) 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 49.0 μg/m3 (45) 19.0 μg/m3 (65) 65.0
 
Dec. 14, 2018, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (45) 16.0 μg/m3 (59) 59.0
 
Dec. 14, 2018, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 19.0 μg/m3 (65) 65.0
 
Dec. 14, 2018, 6 a.m. N/A N/A N/A 36.0 ppb (33) N/A 4.0 ppb (6) 3.0 ppb (2) 1.1 ppb (12) 43.0 μg/m3 (39) 20.0 μg/m3 (67) 67.0
 
Dec. 14, 2018, 5 a.m. N/A N/A N/A 34.0 ppb (31) N/A 3.0 ppb (4) 3.0 ppb (2) 1.1 ppb (12) 29.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
Dec. 14, 2018, 4 a.m. N/A N/A N/A 34.0 ppb (31) N/A 3.0 ppb (4) 5.0 ppb (4) 0.9 ppb (10) 34.0 μg/m3 (31) 17.0 μg/m3 (61) 61.0
 
Dec. 14, 2018, 3 a.m. N/A N/A N/A 35.0 ppb (32) N/A 3.0 ppb (4) 6.0 ppb (5) 0.9 ppb (10) 28.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Dec. 14, 2018, 2 a.m. N/A N/A N/A 30.0 ppb (28) N/A 3.0 ppb (4) 11.0 ppb (8) 0.8 ppb (9) 14.0 μg/m3 (13) 3.0 μg/m3 (12) 28.0
 
Dec. 14, 2018, 1 a.m. N/A N/A N/A 22.0 ppb (20) N/A 2.0 ppb (3) 18.0 ppb (14) 0.8 ppb (9) N/A N/A 20.0
 
Dec. 14, 2018, midnight N/A N/A N/A 32.0 ppb (30) N/A 3.0 ppb (4) 25.0 ppb (19) 0.7 ppb (8) 26.0 μg/m3 (24) 7.0 μg/m3 (29) 30.0
 
Dec. 13, 2018, 11 p.m. N/A N/A N/A 22.0 ppb (20) N/A 4.0 ppb (6) 30.0 ppb (23) 0.7 ppb (8) 21.0 μg/m3 (19) 2.0 μg/m3 (8) 23.0
 
Dec. 13, 2018, 10 p.m. N/A N/A N/A 24.0 ppb (22) N/A 3.0 ppb (4) 34.0 ppb (26) 0.7 ppb (8) 34.0 μg/m3 (31) 12.0 μg/m3 (50) 50.0
 
Dec. 13, 2018, 9 p.m. N/A N/A N/A 21.0 ppb (19) N/A 3.0 ppb (4) 42.0 ppb (32) 0.7 ppb (8) 46.0 μg/m3 (42) 23.0 μg/m3 (73) 73.0
 
Dec. 13, 2018, 8 p.m. N/A N/A N/A 22.0 ppb (20) N/A 3.0 ppb (4) 35.0 ppb (27) 0.7 ppb (8) 39.0 μg/m3 (35) 8.0 μg/m3 (33) 35.0
 
Dec. 13, 2018, 7 p.m. N/A N/A N/A 22.0 ppb (20) N/A 3.0 ppb (4) 33.0 ppb (25) 0.7 ppb (8) 26.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
Dec. 13, 2018, 6 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 33.0 ppb (25) 0.6 ppb (7) 32.0 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
Dec. 13, 2018, 5 p.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 29.0 ppb (22) 0.5 ppb (6) 36.0 μg/m3 (33) 16.0 μg/m3 (59) 59.0
 
Dec. 13, 2018, 4 p.m. N/A N/A N/A 32.0 ppb (30) N/A 3.0 ppb (4) 18.0 ppb (14) 0.8 ppb (9) 49.0 μg/m3 (45) 23.0 μg/m3 (73) 73.0
 
Dec. 13, 2018, 3 p.m. N/A N/A N/A 40.0 ppb (37) N/A 4.0 ppb (6) 8.0 ppb (6) 1.5 ppb (17) 64.0 μg/m3 (54) 31.0 μg/m3 (90) 90.0
 
Dec. 13, 2018, 2 p.m. N/A N/A N/A 39.0 ppb (36) N/A 5.0 ppb (7) 3.0 ppb (2) 2.0 ppb (22) 49.0 μg/m3 (45) 24.0 μg/m3 (76) 76.0
 
Dec. 13, 2018, 1 p.m. N/A N/A N/A 40.0 ppb (37) N/A 4.0 ppb (6) 2.0 ppb (2) 1.6 ppb (18) 41.0 μg/m3 (37) 19.0 μg/m3 (65) 65.0
 
Dec. 13, 2018, noon N/A N/A N/A 38.0 ppb (35) N/A 4.0 ppb (6) 3.0 ppb (2) 1.2 ppb (13) 31.0 μg/m3 (28) 15.0 μg/m3 (56) 56.0
 
Dec. 13, 2018, 11 a.m. N/A N/A N/A 38.0 ppb (35) N/A 3.0 ppb (4) 3.0 ppb (2) 0.9 ppb (10) 60.0 μg/m3 (52) 31.0 μg/m3 (90) 90.0
 
Dec. 13, 2018, 10 a.m. N/A N/A N/A 41.0 ppb (38) N/A 4.0 ppb (6) 2.0 ppb (2) 1.2 ppb (13) 61.0 μg/m3 (53) 31.0 μg/m3 (90) 90.0
 
Dec. 13, 2018, 9 a.m. N/A N/A N/A 47.0 ppb (44) N/A 4.0 ppb (6) 2.0 ppb (2) 1.3 ppb (14) 86.0 μg/m3 (66) 44.0 μg/m3 (121) 121.0
 
Dec. 13, 2018, 8 a.m. N/A N/A N/A 59.0 ppb (55) N/A 5.0 ppb (7) 3.0 ppb (2) 1.8 ppb (20) 75.0 μg/m3 (60) 40.0 μg/m3 (111) 111.0
 
Dec. 13, 2018, 7 a.m. N/A N/A N/A 57.0 ppb (53) N/A 4.0 ppb (6) 2.0 ppb (2) 1.5 ppb (17) 67.0 μg/m3 (56) 34.0 μg/m3 (97) 97.0
 
Dec. 13, 2018, 6 a.m. N/A N/A N/A 59.0 ppb (55) N/A 4.0 ppb (6) 3.0 ppb (2) 1.4 ppb (16) 77.0 μg/m3 (61) 40.0 μg/m3 (111) 111.0
 
Dec. 13, 2018, 5 a.m. N/A N/A N/A 59.0 ppb (55) N/A 4.0 ppb (6) 5.0 ppb (4) 1.3 ppb (14) 68.0 μg/m3 (56) 35.0 μg/m3 (99) 99.0
 
Dec. 13, 2018, 4 a.m. N/A N/A N/A 55.0 ppb (51) N/A 3.0 ppb (4) 11.0 ppb (8) 1.1 ppb (12) 81.0 μg/m3 (63) 39.0 μg/m3 (109) 109.0
 
Dec. 13, 2018, 3 a.m. N/A N/A N/A 53.0 ppb (49) N/A 4.0 ppb (6) 14.0 ppb (11) 1.1 ppb (12) 48.0 μg/m3 (44) 21.0 μg/m3 (69) 69.0
 
Dec. 13, 2018, 2 a.m. N/A N/A N/A 35.0 ppb (32) N/A 3.0 ppb (4) 21.0 ppb (16) 0.8 ppb (9) 71.0 μg/m3 (58) 33.0 μg/m3 (95) 95.0
 
Dec. 13, 2018, 1 a.m. N/A N/A N/A 39.0 ppb (36) N/A 4.0 ppb (6) 38.0 ppb (29) 0.9 ppb (10) 73.0 μg/m3 (59) 35.0 μg/m3 (99) 99.0
 
Dec. 13, 2018, midnight N/A N/A N/A 27.0 ppb (25) N/A 4.0 ppb (6) 55.0 ppb (42) 0.7 ppb (8) 83.0 μg/m3 (64) 57.0 μg/m3 (151) 151.0
 
Dec. 12, 2018, 11 p.m. N/A N/A N/A 41.0 ppb (38) N/A 6.0 ppb (9) 69.0 ppb (53) 0.9 ppb (10) 88.0 μg/m3 (66) 55.0 μg/m3 (149) 149.0
 
Dec. 12, 2018, 10 p.m. N/A N/A N/A 33.0 ppb (31) N/A 7.0 ppb (10) 90.0 ppb (71) 0.8 ppb (9) 84.0 μg/m3 (64) 53.0 μg/m3 (144) 144.0
 
Dec. 12, 2018, 9 p.m. N/A N/A N/A 36.0 ppb (33) N/A 8.0 ppb (11) 80.0 ppb (62) 0.9 ppb (10) 84.0 μg/m3 (64) 51.0 μg/m3 (139) 139.0
 
Dec. 12, 2018, 8 p.m. N/A N/A N/A 36.0 ppb (33) N/A 10.0 ppb (14) 80.0 ppb (62) 0.9 ppb (10) 97.0 μg/m3 (71) 63.0 μg/m3 (154) 154.0
 
Dec. 12, 2018, 7 p.m. N/A N/A N/A 44.0 ppb (41) N/A 11.0 ppb (16) 65.0 ppb (50) 1.0 ppb (11) 96.0 μg/m3 (70) 58.0 μg/m3 (151) 151.0
 
Dec. 12, 2018, 6 p.m. N/A N/A N/A 53.0 ppb (49) N/A 14.0 ppb (20) 55.0 ppb (42) 1.2 ppb (13) 137.0 μg/m3 (91) 79.0 μg/m3 (162) 162.0
 
Dec. 12, 2018, 5 p.m. N/A N/A N/A 66.0 ppb (63) N/A 16.0 ppb (23) 30.0 ppb (23) 1.7 ppb (19) 141.0 μg/m3 (93) 76.0 μg/m3 (161) 161.0
 
Dec. 12, 2018, 4 p.m. N/A N/A N/A 68.0 ppb (65) N/A 11.0 ppb (16) 12.0 ppb (9) 2.2 ppb (24) 111.0 μg/m3 (78) 56.0 μg/m3 (150) 150.0
 
Dec. 12, 2018, 3 p.m. N/A N/A N/A 52.0 ppb (48) N/A 9.0 ppb (13) 6.0 ppb (5) 2.1 ppb (23) 96.0 μg/m3 (70) 55.0 μg/m3 (149) 149.0
 
Dec. 12, 2018, 2 p.m. N/A N/A N/A 37.0 ppb (34) N/A 7.0 ppb (10) 3.0 ppb (2) 1.8 ppb (20) 84.0 μg/m3 (64) 50.0 μg/m3 (136) 136.0
 
Dec. 12, 2018, 1 p.m. N/A N/A N/A 35.0 ppb (32) N/A 6.0 ppb (9) 3.0 ppb (2) 1.2 ppb (13) 84.0 μg/m3 (64) 50.0 μg/m3 (136) 136.0
 
Dec. 12, 2018, noon N/A N/A N/A 36.0 ppb (33) N/A 7.0 ppb (10) 3.0 ppb (2) 1.0 ppb (11) 87.0 μg/m3 (66) 57.0 μg/m3 (151) 151.0
 
Dec. 12, 2018, 11 a.m. N/A N/A N/A 40.0 ppb (37) N/A 6.0 ppb (9) 3.0 ppb (2) 1.2 ppb (13) 92.0 μg/m3 (68) 56.0 μg/m3 (150) 150.0
 
Dec. 12, 2018, 10 a.m. N/A N/A N/A 43.0 ppb (40) N/A 8.0 ppb (11) 3.0 ppb (2) 1.3 ppb (14) 115.0 μg/m3 (80) 67.0 μg/m3 (156) 156.0
 
Dec. 12, 2018, 9 a.m. N/A N/A N/A 48.0 ppb (44) N/A 10.0 ppb (14) 3.0 ppb (2) 1.8 ppb (20) 112.0 μg/m3 (78) 62.0 μg/m3 (153) 153.0
 
Dec. 12, 2018, 8 a.m. N/A N/A N/A 52.0 ppb (48) N/A 16.0 ppb (23) 3.0 ppb (2) 1.9 ppb (21) 100.0 μg/m3 (72) 54.0 μg/m3 (146) 146.0
 
Dec. 12, 2018, 7 a.m. N/A N/A N/A 54.0 ppb (50) N/A 11.0 ppb (16) 3.0 ppb (2) 1.9 ppb (21) 77.0 μg/m3 (61) 37.0 μg/m3 (104) 104.0
 
Dec. 12, 2018, 6 a.m. N/A N/A N/A 51.0 ppb (47) N/A 18.0 ppb (26) 3.0 ppb (2) 1.5 ppb (17) 78.0 μg/m3 (62) 36.0 μg/m3 (101) 101.0
 
Dec. 12, 2018, 5 a.m. N/A N/A N/A 52.0 ppb (48) N/A 24.0 ppb (34) 3.0 ppb (2) 1.3 ppb (14) 79.0 μg/m3 (62) 33.0 μg/m3 (95) 95.0
 
Dec. 12, 2018, 4 a.m. N/A N/A N/A 55.0 ppb (51) N/A 17.0 ppb (24) 3.0 ppb (2) 1.2 ppb (13) 90.0 μg/m3 (68) 42.0 μg/m3 (116) 116.0
 
Dec. 12, 2018, 3 a.m. N/A N/A N/A 72.0 ppb (69) N/A 5.0 ppb (7) 5.0 ppb (4) 1.5 ppb (17) 100.0 μg/m3 (72) 49.0 μg/m3 (134) 134.0
 
Dec. 12, 2018, 2 a.m. N/A N/A N/A 75.0 ppb (72) N/A 5.0 ppb (7) 9.0 ppb (7) 1.5 ppb (17) 89.0 μg/m3 (67) 49.0 μg/m3 (134) 134.0
 
Dec. 12, 2018, 1 a.m. N/A N/A N/A 67.0 ppb (64) N/A 6.0 ppb (9) 33.0 ppb (25) 1.1 ppb (12) 107.0 μg/m3 (76) 65.0 μg/m3 (155) 155.0
 
Dec. 12, 2018, midnight N/A N/A N/A 48.0 ppb (44) N/A 7.0 ppb (10) 61.0 ppb (47) 0.8 ppb (9) 87.0 μg/m3 (66) 52.0 μg/m3 (141) 141.0
 
Dec. 11, 2018, 11 p.m. N/A N/A N/A 46.0 ppb (43) N/A 8.0 ppb (11) 67.0 ppb (52) 0.9 ppb (10) 82.0 μg/m3 (64) 50.0 μg/m3 (136) 136.0
 
Dec. 11, 2018, 10 p.m. N/A N/A N/A 41.0 ppb (38) N/A 9.0 ppb (13) 65.0 ppb (50) 0.9 ppb (10) 111.0 μg/m3 (78) 70.0 μg/m3 (158) 158.0
 
Dec. 11, 2018, 9 p.m. N/A N/A N/A 38.0 ppb (35) N/A 12.0 ppb (17) 56.0 ppb (43) 0.8 ppb (9) 148.0 μg/m3 (96) 93.0 μg/m3 (170) 170.0
 
Dec. 11, 2018, 8 p.m. N/A N/A N/A 53.0 ppb (49) N/A 18.0 ppb (26) 43.0 ppb (33) 1.1 ppb (12) 175.0 μg/m3 (110) 105.0 μg/m3 (176) 176.0
 
Dec. 11, 2018, 7 p.m. N/A N/A N/A 58.0 ppb (54) N/A 23.0 ppb (33) 24.0 ppb (18) 1.4 ppb (16) 172.0 μg/m3 (108) 103.0 μg/m3 (175) 175.0
 
Dec. 11, 2018, 6 p.m. N/A N/A N/A 47.0 ppb (44) N/A 23.0 ppb (33) 14.0 ppb (11) 1.3 ppb (14) 161.0 μg/m3 (103) 92.0 μg/m3 (169) 169.0
 
Dec. 11, 2018, 5 p.m. N/A N/A N/A 37.0 ppb (34) N/A 23.0 ppb (33) 10.0 ppb (8) 1.2 ppb (13) 145.0 μg/m3 (95) 88.0 μg/m3 (167) 167.0
 
Dec. 11, 2018, 4 p.m. N/A N/A N/A 32.0 ppb (30) N/A 28.0 ppb (40) 6.0 ppb (5) 1.3 ppb (14) 161.0 μg/m3 (103) 109.0 μg/m3 (178) 178.0
 
Dec. 11, 2018, 3 p.m. N/A N/A N/A 33.0 ppb (31) N/A 26.0 ppb (37) 4.0 ppb (3) 1.2 ppb (13) 143.0 μg/m3 (94) 94.0 μg/m3 (170) 170.0
 
Dec. 11, 2018, 2 p.m. N/A N/A N/A 29.0 ppb (27) N/A 21.0 ppb (30) 3.0 ppb (2) 1.1 ppb (12) 99.0 μg/m3 (72) 62.0 μg/m3 (153) 153.0
 
Dec. 11, 2018, 1 p.m. N/A N/A N/A 27.0 ppb (25) N/A 17.0 ppb (24) 2.0 ppb (2) 0.8 ppb (9) 126.0 μg/m3 (86) 78.0 μg/m3 (162) 162.0
 
Dec. 11, 2018, noon N/A N/A N/A 26.0 ppb (24) N/A 29.0 ppb (41) 3.0 ppb (2) 0.7 ppb (8) 109.0 μg/m3 (77) 64.0 μg/m3 (154) 154.0
 
Dec. 11, 2018, 11 a.m. N/A N/A N/A 23.0 ppb (21) N/A 28.0 ppb (40) 2.0 ppb (2) 0.6 ppb (7) 55.0 μg/m3 (50) 32.0 μg/m3 (93) 93.0
 
Dec. 11, 2018, 10 a.m. N/A N/A N/A 22.0 ppb (20) N/A 25.0 ppb (36) 3.0 ppb (2) 0.5 ppb (6) 42.0 μg/m3 (38) 24.0 μg/m3 (76) 76.0
 
Dec. 11, 2018, 9 a.m. N/A N/A N/A 23.0 ppb (21) N/A 30.0 ppb (43) 2.0 ppb (2) 0.5 ppb (6) 55.0 μg/m3 (50) 31.0 μg/m3 (90) 90.0
 
Dec. 11, 2018, 8 a.m. N/A N/A N/A 27.0 ppb (25) N/A 59.0 ppb (61) 3.0 ppb (2) 0.7 ppb (8) 54.0 μg/m3 (49) 26.0 μg/m3 (80) 80.0
 
Dec. 11, 2018, 7 a.m. N/A N/A N/A 34.0 ppb (31) N/A 58.0 ppb (60) 3.0 ppb (2) 0.8 ppb (9) 68.0 μg/m3 (56) 33.0 μg/m3 (95) 95.0
 
Dec. 11, 2018, 6 a.m. N/A N/A N/A 33.0 ppb (31) N/A 92.0 ppb (76) 3.0 ppb (2) 0.9 ppb (10) 66.0 μg/m3 (56) 28.0 μg/m3 (84) 84.0
 
Dec. 11, 2018, 5 a.m. N/A N/A N/A 36.0 ppb (33) N/A 84.0 ppb (72) 3.0 ppb (2) 0.9 ppb (10) 51.0 μg/m3 (46) 17.0 μg/m3 (61) 72.0
 
Dec. 11, 2018, 4 a.m. N/A N/A N/A 38.0 ppb (35) N/A 31.0 ppb (44) 6.0 ppb (5) 0.7 ppb (8) 50.0 μg/m3 (45) 17.0 μg/m3 (61) 61.0
 
Dec. 11, 2018, 3 a.m. N/A N/A N/A 38.0 ppb (35) N/A 22.0 ppb (31) 7.0 ppb (5) 0.7 ppb (8) 90.0 μg/m3 (68) 32.0 μg/m3 (93) 93.0
 
Dec. 11, 2018, 2 a.m. N/A N/A N/A 48.0 ppb (44) N/A 73.0 ppb (67) 5.0 ppb (4) 1.0 ppb (11) 102.0 μg/m3 (74) 41.0 μg/m3 (114) 114.0
 
Dec. 11, 2018, 1 a.m. N/A N/A N/A 56.0 ppb (52) N/A 49.0 ppb (56) 10.0 ppb (8) 1.2 ppb (13) 115.0 μg/m3 (80) 61.0 μg/m3 (153) 153.0
 
Dec. 11, 2018, midnight N/A N/A N/A 53.0 ppb (49) N/A 26.0 ppb (37) 38.0 ppb (29) 1.1 ppb (12) 106.0 μg/m3 (76) 69.0 μg/m3 (157) 157.0
 
Dec. 10, 2018, 11 p.m. N/A N/A N/A 35.0 ppb (32) N/A 10.0 ppb (14) 70.0 ppb (54) 0.8 ppb (9) 109.0 μg/m3 (77) 69.0 μg/m3 (157) 157.0
 
Dec. 10, 2018, 10 p.m. N/A N/A N/A 37.0 ppb (34) N/A 13.0 ppb (19) 66.0 ppb (51) 0.8 ppb (9) 108.0 μg/m3 (76) 67.0 μg/m3 (156) 156.0
 
Dec. 10, 2018, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Dec. 10, 2018, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Dec. 10, 2018, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Dec. 10, 2018, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 104.0 μg/m3 (74) 60.0 μg/m3 (152) 152.0
 
Dec. 10, 2018, 5 p.m. N/A N/A N/A 43.0 ppb (40) N/A 40.0 ppb (52) 11.0 ppb (8) 1.5 ppb (17) 97.0 μg/m3 (71) 58.0 μg/m3 (151) 151.0
 
Dec. 10, 2018, 4 p.m. N/A N/A N/A 44.0 ppb (41) N/A 63.0 ppb (63) 6.0 ppb (5) 1.8 ppb (20) 95.0 μg/m3 (70) 57.0 μg/m3 (151) 151.0