ID: 2679

AQSQID: 800020014

Site Name: Spabc14 Cobach

Added: April 21, 2020, 6:24 p.m.

Updated: Jan. 18, 2021, 10:31 a.m.

Location: Mexicali (Heroico Colegio Militar), MX

Reporting: True, Located: True

Current AQI: 176.0

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. 18, 2021, 9 a.m. N/A 3.8 ppb (4) N/A 27.0 ppb (26) N/A N/A 15.0 ppb (14) 3.51 ppb (40) N/A 102.0 μg/m3 (176) 176.0
 
Jan. 18, 2021, 8 a.m. N/A 3.9 ppb (4) N/A 28.0 ppb (27) N/A N/A 15.0 ppb (14) 0.76 ppb (10) N/A 116.0 μg/m3 (183) 183.0
 
Jan. 18, 2021, 7 a.m. N/A 5.8 ppb (6) N/A 29.0 ppb (28) N/A N/A 28.0 ppb (26) 1.38 ppb (16) N/A 121.0 μg/m3 (185) 185.0
 
Jan. 18, 2021, 6 a.m. N/A 4.8 ppb (5) N/A 32.0 ppb (31) N/A N/A 22.0 ppb (21) 1.97 ppb (23) N/A 132.0 μg/m3 (191) 191.0
 
Jan. 18, 2021, 5 a.m. N/A 3.4 ppb (4) N/A 35.0 ppb (34) N/A N/A 12.0 ppb (12) 1.29 ppb (15) N/A 125.0 μg/m3 (187) 187.0
 
Jan. 18, 2021, 4 a.m. N/A 5.2 ppb (5) N/A 36.0 ppb (34) N/A N/A 24.0 ppb (23) 2.51 ppb (29) N/A 143.0 μg/m3 (197) 197.0
 
Jan. 18, 2021, 3 a.m. N/A 4.3 ppb (5) N/A 34.0 ppb (33) N/A N/A 18.0 ppb (17) 2.56 ppb (30) N/A 122.0 μg/m3 (186) 186.0
 
Jan. 18, 2021, 2 a.m. N/A 3.7 ppb (4) N/A 24.0 ppb (23) N/A N/A 14.0 ppb (13) N/A N/A 81.0 μg/m3 (165) 165.0
 
Jan. 18, 2021, 1 a.m. N/A 4.5 ppb (5) N/A -3.0 ppb (0) N/A N/A 21.0 ppb (20) 1.08 ppb (13) N/A 32.0 μg/m3 (93) 93.0
 
Jan. 18, 2021, midnight N/A 3.5 ppb (4) N/A N/A N/A N/A 15.0 ppb (14) -0.04 ppb (0) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2021, 11 p.m. N/A 4.2 ppb (4) N/A N/A N/A N/A 18.0 ppb (17) 0.7 ppb (8) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2021, 10 p.m. N/A 3.3 ppb (4) N/A N/A N/A N/A 12.0 ppb (12) 0.51 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2021, 9 p.m. N/A 4.0 ppb (4) N/A N/A N/A N/A 16.0 ppb (15) 0.14 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 17, 2021, 8 p.m. N/A 4.0 ppb (4) N/A N/A N/A N/A 16.0 ppb (15) -0.71 ppb (0) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2021, 7 p.m. N/A 4.7 ppb (5) N/A N/A N/A N/A 21.0 ppb (20) 1.09 ppb (13) N/A 3.0 μg/m3 (13) 20.0
 
Jan. 17, 2021, 6 p.m. N/A 4.8 ppb (5) N/A 0.0 ppb (0) N/A N/A 21.0 ppb (20) N/A N/A 4.0 μg/m3 (17) 20.0
 
Jan. 17, 2021, 5 p.m. N/A 3.1 ppb (3) N/A 20.0 ppb (19) N/A N/A 10.0 ppb (10) 1.38 ppb (16) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 17, 2021, 4 p.m. N/A 3.1 ppb (3) N/A 20.0 ppb (19) N/A N/A 10.0 ppb (10) 1.91 ppb (22) N/A 60.0 μg/m3 (154) 154.0
 
Jan. 17, 2021, 3 p.m. N/A 3.3 ppb (4) N/A 15.0 ppb (15) N/A N/A 11.0 ppb (11) 0.31 ppb (4) N/A 85.0 μg/m3 (167) 167.0
 
Jan. 17, 2021, 2 p.m. N/A 3.4 ppb (4) N/A 16.0 ppb (16) N/A N/A 12.0 ppb (12) 0.83 ppb (10) N/A 47.0 μg/m3 (130) 130.0
 
Jan. 17, 2021, 1 p.m. N/A 4.0 ppb (4) N/A 16.0 ppb (16) N/A N/A 15.0 ppb (14) N/A N/A 34.0 μg/m3 (98) 98.0
 
Jan. 17, 2021, noon N/A 4.3 ppb (5) N/A 16.0 ppb (16) N/A N/A 18.0 ppb (17) 1.29 ppb (15) N/A 61.0 μg/m3 (154) 154.0
 
Jan. 17, 2021, 11 a.m. N/A 2.1 ppb (2) N/A 16.0 ppb (16) N/A N/A 2.0 ppb (2) -0.94 ppb (0) N/A 69.0 μg/m3 (158) 158.0
 
Jan. 17, 2021, 10 a.m. N/A 4.1 ppb (4) N/A 16.0 ppb (16) N/A N/A 16.0 ppb (15) -0.91 ppb (0) N/A 76.0 μg/m3 (162) 162.0
 
Jan. 17, 2021, 9 a.m. N/A 4.4 ppb (5) N/A 18.0 ppb (17) N/A N/A 19.0 ppb (18) 1.97 ppb (23) N/A 61.0 μg/m3 (154) 154.0
 
Jan. 17, 2021, 8 a.m. N/A 1.7 ppb (2) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.93 ppb (11) N/A 49.0 μg/m3 (135) 135.0
 
Jan. 17, 2021, 7 a.m. N/A 0.9 ppb (1) N/A 19.0 ppb (18) N/A N/A -4.0 ppb (0) 1.85 ppb (22) N/A 57.0 μg/m3 (152) 152.0
 
Jan. 17, 2021, 6 a.m. N/A 4.0 ppb (4) N/A 25.0 ppb (24) N/A N/A 16.0 ppb (15) 1.65 ppb (19) N/A 111.0 μg/m3 (180) 180.0
 
Jan. 17, 2021, 5 a.m. N/A 0.7 ppb (1) N/A 31.0 ppb (30) N/A N/A N/A 2.79 ppb (32) N/A 141.0 μg/m3 (196) 196.0
 
Jan. 17, 2021, 4 a.m. N/A 2.9 ppb (3) N/A 28.0 ppb (27) N/A N/A 8.0 ppb (8) 1.27 ppb (15) N/A 151.0 μg/m3 (202) 202.0
 
Jan. 17, 2021, 3 a.m. N/A 3.4 ppb (4) N/A 31.0 ppb (30) N/A N/A 13.0 ppb (13) 2.22 ppb (25) N/A 100.0 μg/m3 (174) 174.0
 
Jan. 17, 2021, 2 a.m. N/A 3.0 ppb (3) N/A 31.0 ppb (30) N/A N/A 10.0 ppb (10) 1.27 ppb (15) N/A 85.0 μg/m3 (167) 167.0
 
Jan. 17, 2021, 1 a.m. N/A 3.5 ppb (4) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (14) 0.01 ppb (0) N/A 30.0 μg/m3 (89) 89.0
 
Jan. 17, 2021, midnight N/A 2.5 ppb (3) N/A N/A N/A N/A 9.0 ppb (9) 0.09 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 16, 2021, 11 p.m. N/A 2.5 ppb (3) N/A N/A N/A N/A 6.0 ppb (6) -0.24 ppb (0) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2021, 10 p.m. N/A 3.8 ppb (4) N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2021, 9 p.m. N/A 3.1 ppb (3) N/A N/A N/A N/A 10.0 ppb (10) 0.53 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 16, 2021, 8 p.m. N/A 2.7 ppb (3) N/A N/A N/A N/A 6.0 ppb (6) -0.73 ppb (0) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2021, 7 p.m. N/A 3.6 ppb (4) N/A N/A N/A N/A 14.0 ppb (13) 1.43 ppb (16) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 16, 2021, 6 p.m. N/A 3.6 ppb (4) N/A -4.0 ppb (0) N/A N/A 13.0 ppb (13) 1.0 ppb (12) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2021, 5 p.m. N/A 6.5 ppb (7) N/A 17.0 ppb (17) N/A N/A 33.0 ppb (31) 0.57 ppb (7) N/A 34.0 μg/m3 (98) 98.0
 
Jan. 16, 2021, 4 p.m. N/A 4.5 ppb (5) N/A 21.0 ppb (20) N/A N/A 19.0 ppb (18) -0.13 ppb (0) N/A 73.0 μg/m3 (161) 161.0
 
Jan. 16, 2021, 3 p.m. N/A 3.0 ppb (3) N/A 17.0 ppb (17) N/A N/A 10.0 ppb (10) 1.37 ppb (16) N/A 116.0 μg/m3 (183) 183.0
 
Jan. 16, 2021, 2 p.m. N/A 3.3 ppb (4) N/A 14.0 ppb (14) N/A N/A 11.0 ppb (11) 0.45 ppb (6) N/A 108.0 μg/m3 (179) 179.0
 
Jan. 16, 2021, 1 p.m. N/A 4.3 ppb (5) N/A 15.0 ppb (15) N/A N/A 18.0 ppb (17) -0.79 ppb (0) N/A 104.0 μg/m3 (177) 177.0
 
Jan. 16, 2021, noon N/A 2.4 ppb (3) N/A 21.0 ppb (20) N/A N/A 4.0 ppb (4) 1.64 ppb (19) N/A 114.0 μg/m3 (182) 182.0
 
Jan. 16, 2021, 11 a.m. N/A 2.5 ppb (3) N/A 27.0 ppb (26) N/A N/A 6.0 ppb (6) 1.72 ppb (20) N/A 109.0 μg/m3 (179) 179.0
 
Jan. 16, 2021, 10 a.m. N/A 2.0 ppb (2) N/A 23.0 ppb (22) N/A N/A 1.0 ppb (1) 1.72 ppb (20) N/A 122.0 μg/m3 (186) 186.0
 
Jan. 16, 2021, 9 a.m. N/A 1.7 ppb (2) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) N/A N/A 134.0 μg/m3 (192) 192.0
 
Jan. 16, 2021, 8 a.m. N/A 4.6 ppb (5) N/A 24.0 ppb (23) N/A N/A 20.0 ppb (19) -0.05 ppb (0) N/A 74.0 μg/m3 (161) 161.0
 
Jan. 16, 2021, 7 a.m. N/A 1.6 ppb (2) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 2.41 ppb (28) N/A 91.0 μg/m3 (170) 170.0
 
Jan. 16, 2021, 6 a.m. N/A 3.1 ppb (3) N/A 35.0 ppb (34) N/A N/A 9.0 ppb (9) 2.46 ppb (29) N/A 95.0 μg/m3 (172) 172.0
 
Jan. 16, 2021, 5 a.m. N/A 3.3 ppb (4) N/A 34.0 ppb (33) N/A N/A 11.0 ppb (11) 1.43 ppb (16) N/A 113.0 μg/m3 (181) 181.0
 
Jan. 16, 2021, 4 a.m. N/A 3.0 ppb (3) N/A 35.0 ppb (34) N/A N/A 9.0 ppb (9) 1.31 ppb (15) N/A 91.0 μg/m3 (170) 170.0
 
Jan. 16, 2021, 3 a.m. N/A 4.0 ppb (4) N/A 33.0 ppb (32) N/A N/A 16.0 ppb (15) 0.75 ppb (10) N/A 90.0 μg/m3 (169) 169.0
 
Jan. 16, 2021, 2 a.m. N/A 4.1 ppb (4) N/A 32.0 ppb (31) N/A N/A 18.0 ppb (17) 1.29 ppb (15) N/A 66.0 μg/m3 (157) 157.0
 
Jan. 16, 2021, 1 a.m. N/A 3.7 ppb (4) N/A 7.0 ppb (7) N/A N/A 16.0 ppb (15) 1.55 ppb (19) N/A 63.0 μg/m3 (155) 155.0
 
Jan. 16, 2021, midnight N/A 3.2 ppb (4) N/A N/A N/A N/A 13.0 ppb (13) 0.43 ppb (5) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 15, 2021, 11 p.m. N/A 3.4 ppb (4) N/A N/A N/A N/A 14.0 ppb (13) 0.49 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2021, 10 p.m. N/A 2.3 ppb (3) N/A N/A N/A N/A 5.0 ppb (5) -0.06 ppb (0) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2021, 9 p.m. N/A 1.4 ppb (2) N/A N/A N/A N/A -1.0 ppb (0) 0.5 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2021, 8 p.m. N/A 3.8 ppb (4) N/A N/A N/A N/A 14.0 ppb (13) 0.56 ppb (7) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2021, 7 p.m. N/A 4.6 ppb (5) N/A 0.0 ppb (0) N/A N/A 20.0 ppb (19) -0.72 ppb (0) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2021, 6 p.m. N/A 4.6 ppb (5) N/A 48.0 ppb (46) N/A N/A 20.0 ppb (19) 2.13 ppb (24) N/A N/A 46.0
 
Jan. 15, 2021, 5 p.m. N/A 4.7 ppb (5) N/A 46.0 ppb (44) N/A N/A 20.0 ppb (19) 1.16 ppb (14) N/A 93.0 μg/m3 (171) 171.0
 
Jan. 15, 2021, 4 p.m. N/A 2.5 ppb (3) N/A 28.0 ppb (27) N/A N/A 6.0 ppb (6) 2.15 ppb (24) N/A 89.0 μg/m3 (169) 169.0
 
Jan. 15, 2021, 3 p.m. N/A 3.3 ppb (4) N/A 19.0 ppb (18) N/A N/A 12.0 ppb (12) 0.76 ppb (10) N/A 68.0 μg/m3 (158) 158.0
 
Jan. 15, 2021, 2 p.m. N/A 5.3 ppb (5) N/A 12.0 ppb (12) N/A N/A 25.0 ppb (24) 1.9 ppb (22) N/A 33.0 μg/m3 (95) 95.0
 
Jan. 15, 2021, 1 p.m. N/A 3.3 ppb (4) N/A 0.0 ppb (0) N/A N/A 11.0 ppb (11) -0.69 ppb (0) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 15, 2021, noon N/A 0.9 ppb (1) N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (72) 72.0
 
Jan. 15, 2021, 11 a.m. N/A 2.8 ppb (3) N/A -4.0 ppb (0) N/A N/A 8.0 ppb (8) -0.11 ppb (0) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 15, 2021, 10 a.m. N/A -0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 2.56 ppb (30) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2021, 9 a.m. N/A 2.9 ppb (3) N/A 1.0 ppb (1) N/A N/A 7.0 ppb (7) -0.66 ppb (0) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2021, 8 a.m. N/A 3.4 ppb (4) N/A N/A N/A N/A 12.0 ppb (12) -0.23 ppb (0) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2021, 7 a.m. N/A 3.5 ppb (4) N/A N/A N/A N/A 13.0 ppb (13) 0.67 ppb (8) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 15, 2021, 6 a.m. N/A 4.7 ppb (5) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (20) 2.31 ppb (27) N/A 2.0 μg/m3 (9) 27.0
 
Jan. 15, 2021, 5 a.m. N/A 3.6 ppb (4) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (13) -0.48 ppb (0) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 15, 2021, 4 a.m. N/A 3.1 ppb (3) N/A 27.0 ppb (26) N/A N/A 10.0 ppb (10) 1.84 ppb (21) N/A 37.0 μg/m3 (105) 105.0
 
Jan. 15, 2021, 3 a.m. N/A 4.0 ppb (4) N/A 26.0 ppb (25) N/A N/A 16.0 ppb (15) 1.32 ppb (15) N/A 62.0 μg/m3 (155) 155.0
 
Jan. 15, 2021, 2 a.m. N/A 3.5 ppb (4) N/A 26.0 ppb (25) N/A N/A 13.0 ppb (13) -0.19 ppb (0) N/A 57.0 μg/m3 (152) 152.0
 
Jan. 15, 2021, 1 a.m. N/A 2.7 ppb (3) N/A 10.0 ppb (10) N/A N/A 9.0 ppb (9) 1.65 ppb (19) N/A 28.0 μg/m3 (85) 85.0
 
Jan. 15, 2021, midnight N/A 3.8 ppb (4) N/A -2.0 ppb (0) N/A N/A 17.0 ppb (16) -0.87 ppb (0) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2021, 11 p.m. N/A 2.6 ppb (3) N/A N/A N/A N/A 7.0 ppb (7) 0.57 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2021, 10 p.m. N/A 6.0 ppb (6) N/A N/A N/A N/A 30.0 ppb (28) 0.53 ppb (6) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 14, 2021, 9 p.m. N/A 4.8 ppb (5) N/A N/A N/A N/A 21.0 ppb (20) 1.68 ppb (20) N/A 31.0 μg/m3 (91) 91.0
 
Jan. 14, 2021, 8 p.m. N/A 2.2 ppb (3) N/A N/A N/A N/A 4.0 ppb (4) -0.69 ppb (0) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 14, 2021, 7 p.m. N/A 2.7 ppb (3) N/A -3.0 ppb (0) N/A N/A 7.0 ppb (7) 0.78 ppb (10) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 14, 2021, 6 p.m. N/A 3.3 ppb (4) N/A 0.0 ppb (0) N/A N/A 11.0 ppb (11) 0.04 ppb (0) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2021, 5 p.m. N/A 4.1 ppb (4) N/A 7.0 ppb (7) N/A N/A 16.0 ppb (15) -0.42 ppb (0) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 14, 2021, 4 p.m. N/A 3.6 ppb (4) N/A 18.0 ppb (17) N/A N/A 13.0 ppb (13) 3.69 ppb (43) N/A 37.0 μg/m3 (105) 105.0
 
Jan. 14, 2021, 3 p.m. N/A 3.2 ppb (4) N/A 14.0 ppb (14) N/A N/A 11.0 ppb (11) 0.97 ppb (12) N/A 77.0 μg/m3 (163) 163.0
 
Jan. 14, 2021, 2 p.m. N/A 2.4 ppb (3) N/A 11.0 ppb (11) N/A N/A 5.0 ppb (5) 0.31 ppb (4) N/A 74.0 μg/m3 (161) 161.0
 
Jan. 14, 2021, 1 p.m. N/A 3.6 ppb (4) N/A 13.0 ppb (13) N/A N/A 14.0 ppb (13) 1.79 ppb (21) N/A 58.0 μg/m3 (153) 153.0
 
Jan. 14, 2021, noon N/A 2.5 ppb (3) N/A 14.0 ppb (14) N/A N/A 6.0 ppb (6) -0.08 ppb (0) N/A 68.0 μg/m3 (158) 158.0
 
Jan. 14, 2021, 11 a.m. N/A 2.9 ppb (3) N/A 14.0 ppb (14) N/A N/A 8.0 ppb (8) 1.56 ppb (19) N/A 60.0 μg/m3 (154) 154.0
 
Jan. 14, 2021, 10 a.m. N/A 2.5 ppb (3) N/A 15.0 ppb (15) N/A N/A 6.0 ppb (6) 0.38 ppb (5) N/A 61.0 μg/m3 (154) 154.0
 
Jan. 14, 2021, 9 a.m. N/A 4.3 ppb (5) N/A 17.0 ppb (17) N/A N/A 17.0 ppb (16) N/A N/A 69.0 μg/m3 (158) 158.0
 
Jan. 14, 2021, 8 a.m. N/A 2.1 ppb (2) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (3) 0.8 ppb (10) N/A 62.0 μg/m3 (155) 155.0
 
Jan. 14, 2021, 7 a.m. N/A 3.1 ppb (3) N/A 23.0 ppb (22) N/A N/A 10.0 ppb (10) 0.93 ppb (11) N/A 59.0 μg/m3 (153) 153.0
 
Jan. 14, 2021, 6 a.m. N/A 3.3 ppb (4) N/A 25.0 ppb (24) N/A N/A 11.0 ppb (11) -0.46 ppb (0) N/A 106.0 μg/m3 (178) 178.0
 
Jan. 14, 2021, 5 a.m. N/A 2.9 ppb (3) N/A 27.0 ppb (26) N/A N/A 8.0 ppb (8) 0.35 ppb (4) N/A 58.0 μg/m3 (153) 153.0
 
Jan. 14, 2021, 4 a.m. N/A 4.0 ppb (4) N/A 31.0 ppb (30) N/A N/A 16.0 ppb (15) -0.34 ppb (0) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 14, 2021, 3 a.m. N/A 1.7 ppb (2) N/A 38.0 ppb (36) N/A N/A 1.0 ppb (1) 3.39 ppb (39) N/A 45.0 μg/m3 (125) 125.0
 
Jan. 14, 2021, 2 a.m. N/A 2.9 ppb (3) N/A 36.0 ppb (34) N/A N/A 9.0 ppb (9) 0.55 ppb (7) N/A 59.0 μg/m3 (153) 153.0
 
Jan. 14, 2021, 1 a.m. N/A 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (16) 0.9 ppb (11) N/A 34.0 μg/m3 (98) 98.0
 
Jan. 14, 2021, midnight N/A 3.7 ppb (4) N/A N/A N/A N/A 15.0 ppb (14) 0.7 ppb (8) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2021, 11 p.m. N/A 2.2 ppb (3) N/A N/A N/A N/A 5.0 ppb (5) 1.74 ppb (20) N/A 4.0 μg/m3 (17) 20.0
 
Jan. 13, 2021, 10 p.m. N/A 5.5 ppb (6) N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Jan. 13, 2021, 9 p.m. N/A 2.5 ppb (3) N/A N/A N/A N/A 5.0 ppb (5) 1.4 ppb (16) N/A 3.0 μg/m3 (13) 16.0
 
Jan. 13, 2021, 8 p.m. N/A 2.3 ppb (3) N/A N/A N/A N/A 5.0 ppb (5) -0.21 ppb (0) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2021, 7 p.m. N/A 5.7 ppb (6) N/A N/A N/A N/A 27.0 ppb (25) -0.82 ppb (0) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2021, 6 p.m. N/A 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 2.0 ppb (2) 0.95 ppb (11) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2021, 5 p.m. N/A 2.2 ppb (3) N/A 24.0 ppb (23) N/A N/A 4.0 ppb (4) 0.97 ppb (12) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 13, 2021, 4 p.m. N/A 1.7 ppb (2) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.15 ppb (2) N/A 91.0 μg/m3 (170) 170.0
 
Jan. 13, 2021, 3 p.m. N/A 3.9 ppb (4) N/A 14.0 ppb (14) N/A N/A 15.0 ppb (14) 0.96 ppb (12) N/A 85.0 μg/m3 (167) 167.0
 
Jan. 13, 2021, 2 p.m. N/A 5.2 ppb (5) N/A 14.0 ppb (14) N/A N/A 24.0 ppb (23) 0.32 ppb (4) N/A 81.0 μg/m3 (165) 165.0
 
Jan. 13, 2021, 1 p.m. N/A 3.0 ppb (3) N/A 12.0 ppb (12) N/A N/A 9.0 ppb (9) -0.18 ppb (0) N/A 59.0 μg/m3 (153) 153.0
 
Jan. 13, 2021, noon N/A 2.0 ppb (2) N/A 14.0 ppb (14) N/A N/A 2.0 ppb (2) 0.56 ppb (7) N/A 46.0 μg/m3 (127) 127.0
 
Jan. 13, 2021, 11 a.m. N/A 3.4 ppb (4) N/A 14.0 ppb (14) N/A N/A 13.0 ppb (13) 2.59 ppb (30) N/A 46.0 μg/m3 (127) 127.0
 
Jan. 13, 2021, 10 a.m. N/A 1.8 ppb (2) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) -0.17 ppb (0) N/A 58.0 μg/m3 (153) 153.0
 
Jan. 13, 2021, 9 a.m. N/A 3.7 ppb (4) N/A 18.0 ppb (17) N/A N/A 14.0 ppb (13) -0.03 ppb (0) N/A 80.0 μg/m3 (164) 164.0
 
Jan. 13, 2021, 8 a.m. N/A 4.0 ppb (4) N/A 21.0 ppb (20) N/A N/A 16.0 ppb (15) 2.39 ppb (28) N/A 88.0 μg/m3 (168) 168.0
 
Jan. 13, 2021, 7 a.m. N/A 2.8 ppb (3) N/A 25.0 ppb (24) N/A N/A 8.0 ppb (8) 2.28 ppb (27) N/A 46.0 μg/m3 (127) 127.0
 
Jan. 13, 2021, 6 a.m. N/A 4.2 ppb (4) N/A 27.0 ppb (26) N/A N/A 18.0 ppb (17) 1.55 ppb (19) N/A 87.0 μg/m3 (168) 168.0
 
Jan. 13, 2021, 5 a.m. N/A 3.9 ppb (4) N/A 30.0 ppb (29) N/A N/A 15.0 ppb (14) 0.23 ppb (3) N/A 149.0 μg/m3 (200) 200.0
 
Jan. 13, 2021, 4 a.m. N/A 3.8 ppb (4) N/A 31.0 ppb (30) N/A N/A 15.0 ppb (14) 3.62 ppb (41) N/A 173.0 μg/m3 (224) 224.0
 
Jan. 13, 2021, 3 a.m. N/A 4.0 ppb (4) N/A 32.0 ppb (31) N/A N/A 16.0 ppb (15) 1.39 ppb (16) N/A 132.0 μg/m3 (191) 191.0
 
Jan. 13, 2021, 2 a.m. N/A 2.4 ppb (3) N/A 36.0 ppb (34) N/A N/A 5.0 ppb (5) 0.38 ppb (5) N/A 64.0 μg/m3 (156) 156.0
 
Jan. 13, 2021, 1 a.m. N/A 3.5 ppb (4) N/A 10.0 ppb (10) N/A N/A 13.0 ppb (13) 0.9 ppb (11) N/A 46.0 μg/m3 (127) 127.0
 
Jan. 13, 2021, midnight N/A 1.5 ppb (2) N/A N/A N/A N/A -1.0 ppb (0) -0.63 ppb (0) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 12, 2021, 11 p.m. N/A 4.6 ppb (5) N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 12, 2021, 10 p.m. N/A 4.9 ppb (5) N/A N/A N/A N/A 23.0 ppb (22) 1.17 ppb (14) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 12, 2021, 9 p.m. N/A 4.7 ppb (5) N/A -3.0 ppb (0) N/A N/A 21.0 ppb (20) 1.52 ppb (18) N/A 26.0 μg/m3 (81) 81.0
 
Jan. 12, 2021, 8 p.m. N/A 2.5 ppb (3) N/A -2.0 ppb (0) N/A N/A 5.0 ppb (5) N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 12, 2021, 7 p.m. N/A 3.9 ppb (4) N/A 1.0 ppb (1) N/A N/A 15.0 ppb (14) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2021, 6 p.m. N/A 1.6 ppb (2) N/A 12.0 ppb (12) N/A N/A 0.0 ppb (0) 1.29 ppb (15) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 12, 2021, 5 p.m. N/A 5.6 ppb (6) N/A 26.0 ppb (25) N/A N/A 27.0 ppb (25) 2.12 ppb (24) N/A 39.0 μg/m3 (110) 110.0
 
Jan. 12, 2021, 4 p.m. N/A 3.5 ppb (4) N/A 25.0 ppb (24) N/A N/A 13.0 ppb (13) 0.66 ppb (8) N/A 63.0 μg/m3 (155) 155.0
 
Jan. 12, 2021, 3 p.m. N/A 3.5 ppb (4) N/A 12.0 ppb (12) N/A N/A 13.0 ppb (13) 0.82 ppb (10) N/A 81.0 μg/m3 (165) 165.0
 
Jan. 12, 2021, 2 p.m. N/A 2.5 ppb (3) N/A 8.0 ppb (8) N/A N/A 6.0 ppb (6) 0.61 ppb (7) N/A 68.0 μg/m3 (158) 158.0
 
Jan. 12, 2021, 1 p.m. N/A 2.6 ppb (3) N/A 9.0 ppb (9) N/A N/A 6.0 ppb (6) 0.61 ppb (7) N/A 59.0 μg/m3 (153) 153.0
 
Jan. 12, 2021, noon N/A 3.7 ppb (4) N/A 10.0 ppb (10) N/A N/A 15.0 ppb (14) 0.8 ppb (10) N/A 40.0 μg/m3 (113) 113.0
 
Jan. 12, 2021, 11 a.m. N/A 2.9 ppb (3) N/A 8.0 ppb (8) N/A N/A 8.0 ppb (8) 1.7 ppb (20) N/A 40.0 μg/m3 (113) 113.0
 
Jan. 12, 2021, 10 a.m. N/A 1.5 ppb (2) N/A -1.0 ppb (0) N/A N/A -1.0 ppb (0) N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 12, 2021, 9 a.m. N/A 4.4 ppb (5) N/A 17.0 ppb (17) N/A N/A 19.0 ppb (18) 1.38 ppb (16) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 12, 2021, 8 a.m. N/A 6.1 ppb (6) N/A 21.0 ppb (20) N/A N/A 31.0 ppb (29) 1.33 ppb (15) N/A 76.0 μg/m3 (162) 162.0
 
Jan. 12, 2021, 7 a.m. N/A 5.5 ppb (6) N/A 26.0 ppb (25) N/A N/A 26.0 ppb (25) 1.34 ppb (15) N/A 100.0 μg/m3 (174) 174.0
 
Jan. 12, 2021, 6 a.m. N/A 3.8 ppb (4) N/A 29.0 ppb (28) N/A N/A 15.0 ppb (14) -0.36 ppb (0) N/A 99.0 μg/m3 (174) 174.0
 
Jan. 12, 2021, 5 a.m. N/A 4.1 ppb (4) N/A 30.0 ppb (29) N/A N/A 17.0 ppb (16) 1.23 ppb (14) N/A 81.0 μg/m3 (165) 165.0
 
Jan. 12, 2021, 4 a.m. N/A 2.0 ppb (2) N/A 32.0 ppb (31) N/A N/A 2.0 ppb (2) 2.26 ppb (27) N/A 101.0 μg/m3 (175) 175.0
 
Jan. 12, 2021, 3 a.m. N/A 5.2 ppb (5) N/A 30.0 ppb (29) N/A N/A 23.0 ppb (22) -0.73 ppb (0) N/A 119.0 μg/m3 (184) 184.0
 
Jan. 12, 2021, 2 a.m. N/A 5.0 ppb (5) N/A 29.0 ppb (28) N/A N/A 23.0 ppb (22) 1.04 ppb (12) N/A 90.0 μg/m3 (169) 169.0
 
Jan. 12, 2021, 1 a.m. N/A 4.2 ppb (4) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (17) 1.34 ppb (15) N/A 60.0 μg/m3 (154) 154.0
 
Jan. 12, 2021, midnight N/A 4.0 ppb (4) N/A N/A N/A N/A 17.0 ppb (16) -0.19 ppb (0) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 11, 2021, 11 p.m. N/A 2.4 ppb (3) N/A -4.0 ppb (0) N/A N/A 6.0 ppb (6) -0.27 ppb (0) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2021, 10 p.m. N/A 2.7 ppb (3) N/A N/A N/A N/A 7.0 ppb (7) 0.92 ppb (11) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 11, 2021, 9 p.m. N/A 4.2 ppb (4) N/A N/A N/A N/A 18.0 ppb (17) 0.69 ppb (8) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 11, 2021, 8 p.m. N/A 4.0 ppb (4) N/A N/A N/A N/A 16.0 ppb (15) -0.25 ppb (0) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 11, 2021, 7 p.m. N/A 3.6 ppb (4) N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 11, 2021, 6 p.m. N/A 4.0 ppb (4) N/A N/A N/A N/A 16.0 ppb (15) 1.93 ppb (22) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 11, 2021, 5 p.m. N/A 4.4 ppb (5) N/A -3.0 ppb (0) N/A N/A 19.0 ppb (18) N/A N/A 24.0 μg/m3 (77) 77.0
 
Jan. 11, 2021, 4 p.m. N/A 3.6 ppb (4) N/A 13.0 ppb (13) N/A N/A 13.0 ppb (13) -0.44 ppb (0) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 11, 2021, 3 p.m. N/A 5.7 ppb (6) N/A 13.0 ppb (13) N/A N/A 28.0 ppb (26) 0.18 ppb (3) N/A 46.0 μg/m3 (127) 127.0
 
Jan. 11, 2021, 2 p.m. N/A 4.5 ppb (5) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 1.29 ppb (15) N/A 29.0 μg/m3 (87) 87.0
 
Jan. 11, 2021, 1 p.m. N/A 3.0 ppb (3) N/A N/A N/A N/A 10.0 ppb (10) 1.22 ppb (14) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 11, 2021, noon N/A 2.8 ppb (3) N/A -1.0 ppb (0) N/A N/A 9.0 ppb (9) 0.54 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2021, 11 a.m. N/A 2.7 ppb (3) N/A 6.0 ppb (6) N/A N/A 6.0 ppb (6) 1.3 ppb (15) N/A 30.0 μg/m3 (89) 89.0
 
Jan. 11, 2021, 10 a.m. N/A 1.9 ppb (2) N/A 7.0 ppb (7) N/A N/A 2.0 ppb (2) 0.57 ppb (7) N/A 45.0 μg/m3 (125) 125.0