AQSQID: 800020014

Site Name: Spabc14 Cobach

Location: Mexicali (Heroico Colegio Militar), MX

Reporting: True, Located: True

Current AQI: 61.0

Mexicali (Heroico Colegio Militar) MX, MX: 32.6336, -115.5042

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 24, 2020, 1 a.m. N/A 10.6 ppb (10) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.14 ppb (2) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 24, 2020, midnight N/A 13.4 ppb (12) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 23, 2020, 11 p.m. N/A 10.7 ppb (10) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) 0.14 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 10 p.m. N/A 11.0 ppb (10) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) 0.15 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 23, 2020, 9 p.m. N/A 10.3 ppb (10) N/A 0.0 ppb (0) N/A N/A 66.0 ppb (51) 0.08 ppb (1) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 23, 2020, 8 p.m. N/A 9.5 ppb (9) N/A -1.0 ppb (0) N/A N/A 47.0 ppb (36) 0.07 ppb (1) N/A 19.0 μg/m3 (65) 65.0
 
Jan. 23, 2020, 7 p.m. N/A 10.9 ppb (10) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.2 ppb (2) N/A 42.0 μg/m3 (116) 116.0
 
Jan. 23, 2020, 6 p.m. N/A 45.9 ppb (42) N/A 33.0 ppb (31) N/A N/A 59.0 ppb (45) 0.98 ppb (11) N/A 36.0 μg/m3 (101) 101.0
 
Jan. 23, 2020, 5 p.m. N/A 91.5 ppb (90) N/A 36.0 ppb (33) N/A N/A 40.0 ppb (31) 1.39 ppb (15) N/A 33.0 μg/m3 (95) 95.0
 
Jan. 23, 2020, 4 p.m. N/A 99.2 ppb (98) N/A 24.0 ppb (22) N/A N/A 8.0 ppb (6) 1.57 ppb (17) N/A 22.0 μg/m3 (71) 98.0
 
Jan. 23, 2020, 3 p.m. N/A 31.4 ppb (29) N/A 23.0 ppb (21) N/A N/A 48.0 ppb (37) 0.61 ppb (7) N/A 19.0 μg/m3 (65) 65.0
 
Jan. 23, 2020, 2 p.m. N/A 9.2 ppb (9) N/A 14.0 ppb (13) N/A N/A 57.0 ppb (44) 0.3 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 23, 2020, 1 p.m. N/A 16.3 ppb (15) N/A 10.0 ppb (9) N/A N/A 46.0 ppb (35) 0.33 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 23, 2020, noon N/A 7.9 ppb (7) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.18 ppb (2) N/A 52.0 μg/m3 (141) 141.0
 
Jan. 23, 2020, 11 a.m. N/A 26.2 ppb (24) N/A 18.0 ppb (17) N/A N/A 36.0 ppb (28) 0.71 ppb (8) N/A 68.0 μg/m3 (157) 157.0
 
Jan. 23, 2020, 10 a.m. N/A 42.4 ppb (39) N/A 23.0 ppb (21) N/A N/A 50.0 ppb (38) 1.08 ppb (12) N/A 71.0 μg/m3 (158) 158.0
 
Jan. 23, 2020, 9 a.m. N/A 54.5 ppb (51) N/A 26.0 ppb (24) N/A N/A 33.0 ppb (25) 1.35 ppb (15) N/A 80.0 μg/m3 (163) 163.0
 
Jan. 23, 2020, 8 a.m. N/A 67.8 ppb (65) N/A 29.0 ppb (27) N/A N/A 10.0 ppb (8) 1.62 ppb (18) N/A 87.0 μg/m3 (167) 167.0
 
Jan. 23, 2020, 7 a.m. N/A 84.9 ppb (83) N/A 30.0 ppb (28) N/A N/A 12.0 ppb (9) 1.87 ppb (21) N/A 59.0 μg/m3 (152) 152.0
 
Jan. 23, 2020, 6 a.m. N/A 123.5 ppb (104) N/A 34.0 ppb (31) N/A N/A 24.0 ppb (18) 2.24 ppb (25) N/A 52.0 μg/m3 (141) 141.0
 
Jan. 23, 2020, 5 a.m. N/A 108.8 ppb (102) N/A 36.0 ppb (33) N/A N/A 86.0 ppb (68) 2.01 ppb (22) N/A 52.0 μg/m3 (141) 141.0
 
Jan. 23, 2020, 4 a.m. N/A 119.3 ppb (104) N/A 39.0 ppb (36) N/A N/A -3.0 ppb (0) 2.17 ppb (24) N/A 40.0 μg/m3 (111) 111.0
 
Jan. 23, 2020, 3 a.m. N/A 36.5 ppb (34) N/A 41.0 ppb (38) N/A N/A 26.0 ppb (20) 1.43 ppb (16) N/A 22.0 μg/m3 (71) 71.0
 
Jan. 23, 2020, 2 a.m. N/A 11.8 ppb (11) N/A 30.0 ppb (28) N/A N/A 59.0 ppb (45) 0.64 ppb (7) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 23, 2020, 1 a.m. N/A 7.6 ppb (7) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 23, 2020, midnight N/A 7.7 ppb (7) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) 0.21 ppb (2) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 22, 2020, 11 p.m. N/A 8.7 ppb (8) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) 0.16 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 22, 2020, 10 p.m. N/A 7.2 ppb (7) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (45) 0.3 ppb (3) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 22, 2020, 9 p.m. N/A 9.8 ppb (9) N/A -4.0 ppb (0) N/A N/A 13.0 ppb (10) 0.51 ppb (6) N/A 19.0 μg/m3 (65) 65.0
 
Jan. 22, 2020, 8 p.m. N/A 124.5 ppb (105) N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 16.0 μg/m3 (59) 105.0
 
Jan. 22, 2020, 7 p.m. N/A 24.7 ppb (23) N/A N/A N/A N/A 5.0 ppb (4) 0.6 ppb (7) N/A 26.0 μg/m3 (80) 80.0
 
Jan. 22, 2020, 6 p.m. N/A 24.7 ppb (23) N/A N/A N/A N/A 32.0 ppb (25) 0.55 ppb (6) N/A 39.0 μg/m3 (109) 109.0
 
Jan. 22, 2020, 5 p.m. N/A 36.3 ppb (34) N/A N/A N/A N/A 40.0 ppb (31) 0.78 ppb (9) N/A 39.0 μg/m3 (109) 109.0
 
Jan. 22, 2020, 4 p.m. N/A 78.2 ppb (76) N/A N/A N/A N/A 11.0 ppb (8) 1.33 ppb (15) N/A 39.0 μg/m3 (109) 109.0
 
Jan. 22, 2020, 3 p.m. N/A 73.9 ppb (71) N/A N/A N/A N/A 35.0 ppb (27) 1.02 ppb (11) N/A 30.0 μg/m3 (88) 88.0
 
Jan. 22, 2020, 2 p.m. N/A 15.3 ppb (14) N/A N/A N/A N/A 40.0 ppb (31) 0.49 ppb (5) N/A 34.0 μg/m3 (97) 97.0
 
Jan. 22, 2020, 1 p.m. N/A 11.9 ppb (11) N/A N/A N/A N/A 12.0 ppb (9) 0.34 ppb (4) N/A 35.0 μg/m3 (99) 99.0
 
Jan. 22, 2020, noon N/A 18.5 ppb (17) N/A N/A N/A N/A 35.0 ppb (27) 0.53 ppb (6) N/A 31.0 μg/m3 (90) 90.0
 
Jan. 22, 2020, 11 a.m. N/A 41.9 ppb (39) N/A N/A N/A N/A 88.0 ppb (69) 0.75 ppb (8) N/A 23.0 μg/m3 (73) 73.0
 
Jan. 22, 2020, 10 a.m. N/A 29.3 ppb (27) N/A N/A N/A N/A 34.0 ppb (26) 0.63 ppb (7) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 22, 2020, 9 a.m. N/A 16.9 ppb (16) N/A N/A N/A N/A 30.0 ppb (23) 0.44 ppb (5) N/A 20.0 μg/m3 (67) 67.0
 
Jan. 22, 2020, 8 a.m. N/A 8.8 ppb (8) N/A N/A N/A N/A 57.0 ppb (44) 0.36 ppb (4) N/A 24.0 μg/m3 (76) 76.0
 
Jan. 22, 2020, 7 a.m. N/A 16.4 ppb (15) N/A N/A N/A N/A 4.0 ppb (3) 0.47 ppb (5) N/A 19.0 μg/m3 (65) 65.0
 
Jan. 22, 2020, 6 a.m. N/A 11.6 ppb (11) N/A N/A N/A N/A 26.0 ppb (20) 0.45 ppb (5) N/A 22.0 μg/m3 (71) 71.0
 
Jan. 22, 2020, 5 a.m. N/A 9.6 ppb (9) N/A N/A N/A N/A 17.0 ppb (13) 0.38 ppb (4) N/A 22.0 μg/m3 (71) 71.0
 
Jan. 22, 2020, 4 a.m. N/A 12.1 ppb (11) N/A N/A N/A N/A 68.0 ppb (52) 0.48 ppb (5) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 22, 2020, 3 a.m. N/A 15.0 ppb (14) N/A N/A N/A N/A 15.0 ppb (12) 0.57 ppb (6) N/A 22.0 μg/m3 (71) 71.0
 
Jan. 22, 2020, 2 a.m. N/A 18.5 ppb (17) N/A N/A N/A N/A 36.0 ppb (28) 0.53 ppb (6) N/A 23.0 μg/m3 (73) 73.0
 
Jan. 22, 2020, 1 a.m. N/A 14.3 ppb (13) N/A N/A N/A N/A 48.0 ppb (37) 0.37 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 22, 2020, midnight N/A 8.0 ppb (7) N/A N/A N/A N/A 33.0 ppb (25) 0.21 ppb (2) N/A 19.0 μg/m3 (65) 65.0
 
Jan. 21, 2020, 11 p.m. N/A 8.4 ppb (8) N/A N/A N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A 19.0 μg/m3 (65) 65.0
 
Jan. 21, 2020, 10 p.m. N/A 10.7 ppb (10) N/A N/A N/A N/A 59.0 ppb (45) 0.25 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 21, 2020, 9 p.m. N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 0.27 ppb (3) N/A 20.0 μg/m3 (67) 67.0
 
Jan. 21, 2020, 8 p.m. N/A 86.5 ppb (85) N/A N/A N/A N/A 25.0 ppb (19) 5.16 ppb (57) N/A 14.0 μg/m3 (54) 85.0
 
Jan. 21, 2020, 7 p.m. N/A 14.9 ppb (14) N/A -4.0 ppb (0) N/A N/A 24.0 ppb (18) 0.52 ppb (6) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 21, 2020, 6 p.m. N/A 20.7 ppb (19) N/A N/A N/A N/A 23.0 ppb (18) 0.79 ppb (9) N/A 22.0 μg/m3 (71) 71.0
 
Jan. 21, 2020, 5 p.m. N/A 38.7 ppb (36) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (11) 1.08 ppb (12) N/A 26.0 μg/m3 (80) 80.0
 
Jan. 21, 2020, 4 p.m. N/A 49.0 ppb (45) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) 1.29 ppb (14) N/A 28.0 μg/m3 (84) 84.0
 
Jan. 21, 2020, 3 p.m. N/A 32.1 ppb (30) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 1.02 ppb (11) N/A 34.0 μg/m3 (97) 97.0
 
Jan. 21, 2020, 2 p.m. N/A 27.6 ppb (26) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) 1.07 ppb (12) N/A 48.0 μg/m3 (131) 131.0
 
Jan. 21, 2020, 1 p.m. N/A 29.2 ppb (27) N/A 2.0 ppb (2) N/A N/A 14.0 ppb (11) 1.09 ppb (12) N/A 57.0 μg/m3 (151) 151.0
 
Jan. 21, 2020, noon N/A 37.4 ppb (35) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (36) 1.19 ppb (13) N/A 66.0 μg/m3 (156) 156.0
 
Jan. 21, 2020, 11 a.m. N/A 73.0 ppb (70) N/A 1.0 ppb (1) N/A N/A 70.0 ppb (54) 1.61 ppb (18) N/A 60.0 μg/m3 (152) 152.0
 
Jan. 21, 2020, 10 a.m. N/A 42.7 ppb (40) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 1.22 ppb (14) N/A 68.0 μg/m3 (157) 157.0
 
Jan. 21, 2020, 9 a.m. N/A 84.6 ppb (83) N/A 7.0 ppb (6) N/A N/A 49.0 ppb (38) 1.73 ppb (19) N/A 79.0 μg/m3 (162) 162.0
 
Jan. 21, 2020, 8 a.m. N/A 200.7 ppb (119) N/A 16.0 ppb (15) N/A N/A 48.0 ppb (37) 3.06 ppb (34) N/A 83.0 μg/m3 (164) 164.0
 
Jan. 21, 2020, 7 a.m. N/A 196.0 ppb (118) N/A 17.0 ppb (16) N/A N/A 46.0 ppb (35) 3.09 ppb (34) N/A 98.0 μg/m3 (172) 172.0
 
Jan. 21, 2020, 6 a.m. N/A 207.5 ppb (120) N/A 20.0 ppb (19) N/A N/A 26.0 ppb (20) 3.3 ppb (37) N/A 110.0 μg/m3 (179) 179.0
 
Jan. 21, 2020, 5 a.m. N/A 206.5 ppb (120) N/A 19.0 ppb (18) N/A N/A 18.0 ppb (14) 3.48 ppb (39) N/A 83.0 μg/m3 (164) 164.0
 
Jan. 21, 2020, 4 a.m. N/A 128.5 ppb (105) N/A 21.0 ppb (19) N/A N/A 61.0 ppb (47) 2.54 ppb (28) N/A 81.0 μg/m3 (163) 163.0
 
Jan. 21, 2020, 3 a.m. N/A 195.3 ppb (118) N/A 30.0 ppb (28) N/A N/A N/A 3.07 ppb (34) N/A 65.0 μg/m3 (155) 155.0
 
Jan. 21, 2020, 2 a.m. N/A 176.1 ppb (114) N/A 23.0 ppb (21) N/A N/A 20.0 ppb (15) 2.96 ppb (33) N/A 69.0 μg/m3 (157) 157.0
 
Jan. 21, 2020, 1 a.m. N/A 77.8 ppb (75) N/A 19.0 ppb (18) N/A N/A 54.0 ppb (42) 1.81 ppb (20) N/A 36.0 μg/m3 (101) 101.0
 
Jan. 21, 2020, midnight N/A 75.8 ppb (73) N/A 22.0 ppb (20) N/A N/A 67.0 ppb (52) 1.81 ppb (20) N/A 25.0 μg/m3 (78) 78.0
 
Jan. 20, 2020, 11 p.m. N/A 54.4 ppb (50) N/A 14.0 ppb (13) N/A N/A 43.0 ppb (33) 1.39 ppb (15) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 20, 2020, 10 p.m. N/A 14.2 ppb (13) N/A N/A N/A N/A 26.0 ppb (20) 0.79 ppb (9) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 20, 2020, 9 p.m. N/A 17.4 ppb (16) N/A N/A N/A N/A 3.0 ppb (2) 0.86 ppb (10) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2020, 8 p.m. N/A 18.9 ppb (18) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (46) 0.99 ppb (11) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 7 p.m. N/A 26.8 ppb (25) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 1.03 ppb (11) N/A 48.0 μg/m3 (131) 131.0
 
Jan. 20, 2020, 6 p.m. N/A 93.4 ppb (92) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 2.13 ppb (24) N/A 58.0 μg/m3 (151) 151.0
 
Jan. 20, 2020, 5 p.m. N/A 147.5 ppb (109) N/A 12.0 ppb (11) N/A N/A 48.0 ppb (37) 2.91 ppb (32) N/A 78.0 μg/m3 (162) 162.0
 
Jan. 20, 2020, 4 p.m. N/A 165.3 ppb (112) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) 2.74 ppb (30) N/A 84.0 μg/m3 (165) 165.0
 
Jan. 20, 2020, 3 p.m. N/A 88.5 ppb (87) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) 1.96 ppb (22) N/A 65.0 μg/m3 (155) 155.0
 
Jan. 20, 2020, 2 p.m. N/A 87.0 ppb (85) N/A 4.0 ppb (4) N/A N/A 57.0 ppb (44) 2.07 ppb (23) N/A 73.0 μg/m3 (159) 159.0
 
Jan. 20, 2020, 1 p.m. N/A 92.1 ppb (91) N/A 5.0 ppb (5) N/A N/A 9.0 ppb (7) 2.23 ppb (25) N/A 46.0 μg/m3 (126) 126.0
 
Jan. 20, 2020, noon N/A 92.4 ppb (91) N/A 6.0 ppb (6) N/A N/A 46.0 ppb (35) 2.0 ppb (22) N/A 36.0 μg/m3 (101) 101.0
 
Jan. 20, 2020, 11 a.m. N/A 100.4 ppb (99) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) 1.8 ppb (20) N/A 37.0 μg/m3 (104) 104.0
 
Jan. 20, 2020, 10 a.m. N/A 99.7 ppb (99) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 1.83 ppb (20) N/A 54.0 μg/m3 (146) 146.0
 
Jan. 16, 2020, 11 p.m. N/A 20.8 ppb (19) N/A 14.0 ppb (13) N/A N/A 15.0 ppb (12) 1.03 ppb (11) N/A N/A 19.0
 
Jan. 16, 2020, 10 p.m. N/A 18.9 ppb (18) N/A 14.0 ppb (13) N/A N/A 59.0 ppb (45) 1.1 ppb (12) N/A N/A 45.0
 
Jan. 16, 2020, 9 p.m. N/A 18.8 ppb (17) N/A 15.0 ppb (14) N/A N/A 42.0 ppb (32) 1.14 ppb (13) N/A 160.0 μg/m3 (210) 210.0
 
Jan. 16, 2020, 8 p.m. N/A 21.6 ppb (20) N/A 23.0 ppb (21) N/A N/A 26.0 ppb (20) 1.16 ppb (13) N/A N/A 21.0
 
Jan. 16, 2020, 7 p.m. N/A 24.2 ppb (22) N/A 26.0 ppb (24) N/A N/A 36.0 ppb (28) 1.17 ppb (13) N/A 148.0 μg/m3 (199) 199.0
 
Jan. 16, 2020, 6 p.m. N/A 31.0 ppb (29) N/A 12.0 ppb (11) N/A N/A N/A 1.28 ppb (14) N/A N/A 29.0
 
Jan. 16, 2020, 5 p.m. N/A 197.5 ppb (119) N/A 28.0 ppb (26) N/A N/A 21.0 ppb (16) 3.62 ppb (40) N/A 109.0 μg/m3 (178) 178.0
 
Jan. 16, 2020, 4 p.m. N/A 258.9 ppb (130) N/A 15.0 ppb (14) N/A N/A 38.0 ppb (29) 3.86 ppb (43) N/A 45.0 μg/m3 (124) 130.0
 
Jan. 16, 2020, 3 p.m. N/A 121.6 ppb (104) N/A 4.0 ppb (4) N/A N/A 73.0 ppb (57) 2.33 ppb (26) N/A N/A 104.0
 
Jan. 16, 2020, 2 p.m. N/A 90.1 ppb (88) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 1.92 ppb (21) N/A N/A 88.0
 
Jan. 16, 2020, 1 p.m. N/A 58.3 ppb (55) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) 1.58 ppb (18) N/A N/A 55.0
 
Jan. 16, 2020, noon N/A 67.8 ppb (65) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) 1.5 ppb (17) N/A N/A 65.0
 
Jan. 16, 2020, 11 a.m. N/A 90.6 ppb (89) N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) 1.72 ppb (19) N/A N/A 89.0
 
Jan. 16, 2020, 10 a.m. N/A 63.9 ppb (61) N/A 9.0 ppb (8) N/A N/A 73.0 ppb (57) 1.55 ppb (17) N/A N/A 61.0
 
Jan. 16, 2020, 9 a.m. N/A 85.5 ppb (84) N/A 9.0 ppb (8) N/A N/A 17.0 ppb (13) 1.83 ppb (20) N/A N/A 84.0
 
Jan. 16, 2020, 8 a.m. N/A 195.7 ppb (118) N/A 20.0 ppb (19) N/A N/A 19.0 ppb (15) 3.62 ppb (40) N/A N/A 118.0
 
Jan. 16, 2020, 7 a.m. N/A 252.5 ppb (129) N/A 25.0 ppb (23) N/A N/A N/A 4.22 ppb (47) N/A N/A 129.0
 
Jan. 16, 2020, 6 a.m. N/A 279.6 ppb (134) N/A 30.0 ppb (28) N/A N/A 12.0 ppb (9) 4.56 ppb (51) N/A N/A 134.0
 
Jan. 16, 2020, 5 a.m. N/A 269.6 ppb (132) N/A 35.0 ppb (32) N/A N/A 73.0 ppb (57) 4.54 ppb (50) N/A N/A 132.0
 
Jan. 16, 2020, 4 a.m. N/A 101.2 ppb (100) N/A 34.0 ppb (31) N/A N/A 47.0 ppb (36) 2.49 ppb (28) N/A N/A 100.0
 
Jan. 16, 2020, 3 a.m. N/A 79.2 ppb (77) N/A 33.0 ppb (31) N/A N/A N/A 2.16 ppb (24) N/A N/A 77.0
 
Jan. 16, 2020, 2 a.m. N/A 38.1 ppb (35) N/A 26.0 ppb (24) N/A N/A 46.0 ppb (35) 1.85 ppb (21) N/A N/A 35.0
 
Jan. 16, 2020, 1 a.m. N/A 8.7 ppb (8) N/A N/A N/A N/A 20.0 ppb (15) 0.82 ppb (9) N/A N/A 15.0
 
Jan. 16, 2020, midnight N/A 8.5 ppb (8) N/A N/A N/A N/A 50.0 ppb (38) 0.72 ppb (8) N/A N/A 38.0
 
Jan. 15, 2020, 11 p.m. N/A 8.8 ppb (8) N/A N/A N/A N/A 24.0 ppb (18) 0.71 ppb (8) N/A N/A 18.0
 
Jan. 15, 2020, 10 p.m. N/A 8.9 ppb (8) N/A N/A N/A N/A 1.0 ppb (1) 0.73 ppb (8) N/A N/A 8.0
 
Jan. 15, 2020, 9 p.m. N/A 9.0 ppb (8) N/A N/A N/A N/A 28.0 ppb (22) 0.69 ppb (8) N/A N/A 22.0
 
Jan. 15, 2020, 8 p.m. N/A 9.9 ppb (9) N/A N/A N/A N/A 26.0 ppb (20) 0.68 ppb (8) N/A N/A 20.0
 
Jan. 15, 2020, 7 p.m. N/A 11.7 ppb (11) N/A N/A N/A N/A 35.0 ppb (27) 0.75 ppb (8) N/A N/A 27.0
 
Jan. 15, 2020, 6 p.m. N/A 15.1 ppb (14) N/A N/A N/A N/A 33.0 ppb (25) 0.86 ppb (10) N/A N/A 25.0
 
Jan. 15, 2020, 5 p.m. N/A 136.3 ppb (107) N/A 25.0 ppb (23) N/A N/A 44.0 ppb (34) 2.76 ppb (31) N/A N/A 107.0
 
Jan. 15, 2020, 4 p.m. N/A 150.9 ppb (110) N/A 12.0 ppb (11) N/A N/A 23.0 ppb (18) 2.67 ppb (30) N/A N/A 110.0
 
Jan. 15, 2020, 3 p.m. N/A 100.5 ppb (99) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) 1.89 ppb (21) N/A N/A 99.0
 
Jan. 15, 2020, 2 p.m. N/A 73.1 ppb (70) N/A 2.0 ppb (2) N/A N/A N/A 1.47 ppb (16) N/A N/A 70.0
 
Jan. 15, 2020, 1 p.m. N/A 20.5 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A 1.02 ppb (11) N/A N/A 19.0
 
Jan. 15, 2020, noon N/A 16.1 ppb (15) N/A -1.0 ppb (0) N/A N/A 46.0 ppb (35) 0.98 ppb (11) N/A N/A 35.0
 
Jan. 15, 2020, 11 a.m. N/A 10.9 ppb (10) N/A -3.0 ppb (0) N/A N/A 22.0 ppb (17) 0.88 ppb (10) N/A N/A 17.0
 
Jan. 15, 2020, 10 a.m. N/A 18.7 ppb (17) N/A 2.0 ppb (2) N/A N/A 8.0 ppb (6) 0.95 ppb (11) N/A N/A 17.0
 
Jan. 15, 2020, 9 a.m. N/A 20.5 ppb (19) N/A 4.0 ppb (4) N/A N/A 61.0 ppb (47) 1.09 ppb (12) N/A N/A 47.0
 
Jan. 15, 2020, 8 a.m. N/A 115.4 ppb (103) N/A 12.0 ppb (11) N/A N/A 33.0 ppb (25) 2.55 ppb (28) N/A N/A 103.0
 
Jan. 15, 2020, 7 a.m. N/A 220.2 ppb (123) N/A 21.0 ppb (19) N/A N/A 44.0 ppb (34) 3.84 ppb (43) N/A N/A 123.0
 
Jan. 15, 2020, 6 a.m. N/A 207.8 ppb (121) N/A 24.0 ppb (22) N/A N/A 30.0 ppb (23) 3.67 ppb (41) N/A N/A 121.0
 
Jan. 15, 2020, 5 a.m. N/A 137.3 ppb (107) N/A 24.0 ppb (22) N/A N/A 39.0 ppb (30) 2.88 ppb (32) N/A N/A 107.0
 
Jan. 15, 2020, 4 a.m. N/A 130.9 ppb (106) N/A 27.0 ppb (25) N/A N/A 6.0 ppb (5) 2.68 ppb (30) N/A N/A 106.0
 
Jan. 15, 2020, 3 a.m. N/A 111.0 ppb (102) N/A 30.0 ppb (28) N/A N/A 29.0 ppb (22) 2.5 ppb (28) N/A N/A 102.0
 
Jan. 15, 2020, 2 a.m. N/A 66.2 ppb (63) N/A 31.0 ppb (29) N/A N/A 27.0 ppb (21) 2.01 ppb (22) N/A N/A 63.0
 
Jan. 15, 2020, 1 a.m. N/A 21.1 ppb (20) N/A 23.0 ppb (21) N/A N/A 14.0 ppb (11) 1.31 ppb (15) N/A N/A 21.0
 
Jan. 15, 2020, midnight N/A 11.1 ppb (10) N/A 5.0 ppb (5) N/A N/A 5.0 ppb (4) 0.98 ppb (11) N/A N/A 11.0
 
Jan. 14, 2020, 11 p.m. N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) 0.93 ppb (10) N/A N/A 25.0
 
Jan. 14, 2020, 10 p.m. N/A 9.7 ppb (9) N/A N/A N/A N/A 3.0 ppb (2) 0.84 ppb (9) N/A N/A 9.0
 
Jan. 14, 2020, 9 p.m. N/A 11.6 ppb (11) N/A N/A N/A N/A 20.0 ppb (15) 0.85 ppb (9) N/A N/A 15.0
 
Jan. 14, 2020, 8 p.m. N/A 14.2 ppb (13) N/A N/A N/A N/A 55.0 ppb (42) 0.49 ppb (5) N/A N/A 42.0
 
Jan. 14, 2020, 7 p.m. N/A 13.4 ppb (12) N/A N/A N/A N/A 21.0 ppb (16) 0.32 ppb (4) N/A N/A 16.0
 
Jan. 14, 2020, 6 p.m. N/A 16.0 ppb (15) N/A -2.0 ppb (0) N/A N/A 30.0 ppb (23) 0.51 ppb (6) N/A N/A 23.0
 
Jan. 14, 2020, 5 p.m. N/A 52.8 ppb (49) N/A 16.0 ppb (15) N/A N/A 40.0 ppb (31) 1.33 ppb (15) N/A N/A 49.0
 
Jan. 14, 2020, 4 p.m. N/A 128.9 ppb (105) N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) 2.19 ppb (24) N/A N/A 105.0
 
Jan. 14, 2020, 3 p.m. N/A 59.7 ppb (56) N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) 1.12 ppb (12) N/A N/A 56.0
 
Jan. 14, 2020, 2 p.m. N/A 27.4 ppb (25) N/A 3.0 ppb (3) N/A N/A 53.0 ppb (41) 0.79 ppb (9) N/A N/A 41.0
 
Jan. 14, 2020, 1 p.m. N/A 10.6 ppb (10) N/A -1.0 ppb (0) N/A N/A 3.0 ppb (2) 0.5 ppb (6) N/A N/A 10.0
 
Jan. 14, 2020, noon N/A 48.7 ppb (45) N/A 7.0 ppb (6) N/A N/A 50.0 ppb (38) 1.09 ppb (12) N/A N/A 45.0
 
Jan. 14, 2020, 11 a.m. N/A 56.5 ppb (53) N/A 8.0 ppb (7) N/A N/A 7.0 ppb (5) 1.19 ppb (13) N/A N/A 53.0
 
Jan. 14, 2020, 10 a.m. N/A 65.9 ppb (63) N/A 8.0 ppb (7) N/A N/A 3.0 ppb (2) 1.37 ppb (15) N/A N/A 63.0
 
Jan. 14, 2020, 9 a.m. N/A 56.2 ppb (52) N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) 1.37 ppb (15) N/A N/A 52.0
 
Jan. 14, 2020, 8 a.m. N/A 42.3 ppb (39) N/A 14.0 ppb (13) N/A N/A 67.0 ppb (52) 1.25 ppb (14) N/A N/A 52.0
 
Jan. 14, 2020, 7 a.m. N/A 52.9 ppb (49) N/A 13.0 ppb (12) N/A N/A 23.0 ppb (18) 1.38 ppb (15) N/A 113.0 μg/m3 (180) 180.0
 
Jan. 14, 2020, 6 a.m. N/A 77.9 ppb (75) N/A 14.0 ppb (13) N/A N/A 33.0 ppb (25) 1.63 ppb (18) N/A N/A 75.0
 
Jan. 14, 2020, 5 a.m. N/A 53.7 ppb (50) N/A 19.0 ppb (18) N/A N/A 30.0 ppb (23) 1.22 ppb (14) N/A N/A 50.0
 
Jan. 14, 2020, 4 a.m. N/A 58.9 ppb (55) N/A 22.0 ppb (20) N/A N/A 34.0 ppb (26) 1.4 ppb (16) N/A N/A 55.0
 
Jan. 14, 2020, 3 a.m. N/A 64.1 ppb (61) N/A 26.0 ppb (24) N/A N/A 10.0 ppb (8) 1.56 ppb (17) N/A N/A 61.0
 
Jan. 14, 2020, 2 a.m. N/A 35.6 ppb (33) N/A 27.0 ppb (25) N/A N/A 35.0 ppb (27) 1.28 ppb (14) N/A N/A 33.0
 
Jan. 14, 2020, 1 a.m. N/A 6.3 ppb (6) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.61 ppb (7) N/A N/A 17.0
 
Jan. 14, 2020, midnight N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) 0.6 ppb (7) N/A N/A 25.0
 
Jan. 13, 2020, 11 p.m. N/A 15.1 ppb (14) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.58 ppb (6) N/A 1.0 μg/m3 (4) 15.0
 
Jan. 13, 2020, 10 p.m. N/A 15.2 ppb (14) N/A 14.0 ppb (13) N/A N/A 12.0 ppb (9) 0.75 ppb (8) N/A N/A 14.0
 
Jan. 13, 2020, 9 p.m. N/A 17.8 ppb (16) N/A 23.0 ppb (21) N/A N/A 16.0 ppb (12) 0.99 ppb (11) N/A N/A 21.0
 
Jan. 13, 2020, 8 p.m. N/A 80.1 ppb (78) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 5.21 ppb (57) N/A 36.0 μg/m3 (101) 101.0
 
Jan. 13, 2020, 7 p.m. N/A 21.1 ppb (20) N/A 34.0 ppb (31) N/A N/A 12.0 ppb (9) 1.07 ppb (12) N/A N/A 31.0
 
Jan. 13, 2020, 6 p.m. N/A 90.0 ppb (88) N/A 30.0 ppb (28) N/A N/A 33.0 ppb (25) 1.63 ppb (18) N/A 161.0 μg/m3 (210) 210.0
 
Jan. 13, 2020, 5 p.m. N/A 168.5 ppb (113) N/A 16.0 ppb (15) N/A N/A 30.0 ppb (23) 2.63 ppb (29) N/A 196.0 μg/m3 (246) 246.0
 
Jan. 13, 2020, 4 p.m. N/A 183.5 ppb (116) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) 3.54 ppb (39) N/A 213.0 μg/m3 (262) 262.0