AQSQID: 800020014

Site Name: Spabc14 Cobach

Location: Mexicali (Heroico Colegio Militar), MX

Reporting: True, Located: True

Current AQI: 42.0

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
Feb. 19, 2020, 5 a.m. N/A 45.4 ppb (42) N/A 39.0 ppb (36) N/A N/A 42.0 ppb (32) 2.97 ppb (33) N/A 41.0 μg/m3 (114) 114.0
 
Feb. 19, 2020, 4 a.m. N/A 3.5 ppb (3) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 2.68 ppb (30) N/A 34.0 μg/m3 (97) 97.0
 
Feb. 19, 2020, 3 a.m. N/A 4.8 ppb (4) N/A 43.0 ppb (40) N/A N/A 1.0 ppb (1) 2.61 ppb (29) N/A 19.0 μg/m3 (65) 65.0
 
Feb. 19, 2020, 2 a.m. N/A 46.2 ppb (43) N/A 37.0 ppb (34) N/A N/A 43.0 ppb (33) 0.9 ppb (10) N/A 18.0 μg/m3 (63) 63.0
 
Feb. 19, 2020, 1 a.m. N/A 26.1 ppb (24) N/A 16.0 ppb (15) N/A N/A 23.0 ppb (18) 0.47 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Feb. 19, 2020, midnight N/A 25.5 ppb (24) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) 0.33 ppb (4) N/A 18.0 μg/m3 (63) 63.0
 
Feb. 18, 2020, 11 p.m. N/A 23.1 ppb (21) N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) 0.42 ppb (5) N/A 17.0 μg/m3 (61) 61.0
 
Feb. 18, 2020, 10 p.m. N/A 29.9 ppb (28) N/A 16.0 ppb (15) N/A N/A 26.0 ppb (20) 0.43 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Feb. 18, 2020, 9 p.m. N/A -11.0 ppb (0) N/A 11.0 ppb (10) N/A N/A N/A 0.38 ppb (4) N/A 19.0 μg/m3 (65) 65.0
 
Feb. 18, 2020, 8 p.m. N/A 52.8 ppb (49) N/A 9.0 ppb (8) N/A N/A 50.0 ppb (38) 0.39 ppb (4) N/A 31.0 μg/m3 (90) 90.0
 
Feb. 18, 2020, 7 p.m. N/A 40.2 ppb (37) N/A 10.0 ppb (9) N/A N/A 37.0 ppb (28) 0.43 ppb (5) N/A 15.0 μg/m3 (56) 56.0
 
Feb. 18, 2020, 6 p.m. N/A 48.1 ppb (45) N/A 8.0 ppb (7) N/A N/A 45.0 ppb (35) 0.39 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Feb. 18, 2020, 5 p.m. N/A 39.3 ppb (36) N/A 17.0 ppb (16) N/A N/A 36.0 ppb (28) 0.55 ppb (6) N/A 35.0 μg/m3 (99) 99.0
 
Feb. 18, 2020, 4 p.m. N/A 17.6 ppb (16) N/A 26.0 ppb (24) N/A N/A 14.0 ppb (11) 1.23 ppb (14) N/A 42.0 μg/m3 (116) 116.0
 
Feb. 18, 2020, 3 p.m. N/A 57.2 ppb (53) N/A 23.0 ppb (21) N/A N/A 54.0 ppb (42) 1.13 ppb (13) N/A 46.0 μg/m3 (126) 126.0
 
Feb. 18, 2020, 2 p.m. N/A 25.5 ppb (24) N/A 25.0 ppb (23) N/A N/A 22.0 ppb (17) 0.91 ppb (10) N/A 75.0 μg/m3 (160) 160.0
 
Feb. 18, 2020, 1 p.m. N/A 27.0 ppb (25) N/A 21.0 ppb (19) N/A N/A 24.0 ppb (18) 1.63 ppb (18) N/A 89.0 μg/m3 (168) 168.0
 
Feb. 18, 2020, noon N/A 29.6 ppb (27) N/A 24.0 ppb (22) N/A N/A 26.0 ppb (20) 2.55 ppb (28) N/A 84.0 μg/m3 (165) 165.0
 
Feb. 18, 2020, 11 a.m. N/A 15.4 ppb (14) N/A 27.0 ppb (25) N/A N/A 12.0 ppb (9) 2.76 ppb (31) N/A 72.0 μg/m3 (159) 159.0
 
Feb. 18, 2020, 10 a.m. N/A 29.5 ppb (27) N/A 29.0 ppb (27) N/A N/A 26.0 ppb (20) 2.59 ppb (29) N/A 83.0 μg/m3 (164) 164.0
 
Feb. 18, 2020, 9 a.m. N/A 9.2 ppb (9) N/A 30.0 ppb (28) N/A N/A 6.0 ppb (5) 2.96 ppb (33) N/A 98.0 μg/m3 (172) 172.0
 
Feb. 18, 2020, 8 a.m. N/A 48.2 ppb (45) N/A 32.0 ppb (30) N/A N/A 45.0 ppb (35) 3.02 ppb (34) N/A 87.0 μg/m3 (167) 167.0
 
Feb. 18, 2020, 7 a.m. N/A 11.8 ppb (11) N/A 38.0 ppb (35) N/A N/A 8.0 ppb (6) 3.05 ppb (34) N/A 90.0 μg/m3 (168) 168.0
 
Feb. 18, 2020, 6 a.m. N/A 28.4 ppb (26) N/A 41.0 ppb (38) N/A N/A 25.0 ppb (19) 1.89 ppb (21) N/A 80.0 μg/m3 (163) 163.0
 
Feb. 18, 2020, 5 a.m. N/A 49.7 ppb (46) N/A 44.0 ppb (41) N/A N/A 47.0 ppb (36) 1.75 ppb (19) N/A 74.0 μg/m3 (160) 160.0
 
Feb. 18, 2020, 4 a.m. N/A 23.5 ppb (22) N/A 44.0 ppb (41) N/A N/A 20.0 ppb (15) 2.47 ppb (27) N/A 41.0 μg/m3 (114) 114.0
 
Feb. 18, 2020, 3 a.m. N/A 41.5 ppb (38) N/A 46.0 ppb (43) N/A N/A 38.0 ppb (29) 1.74 ppb (19) N/A 14.0 μg/m3 (54) 54.0
 
Feb. 18, 2020, 2 a.m. N/A 36.1 ppb (33) N/A 20.0 ppb (19) N/A N/A 33.0 ppb (25) 0.54 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Feb. 18, 2020, 1 a.m. N/A 23.7 ppb (22) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.28 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
Feb. 18, 2020, midnight N/A 64.2 ppb (61) N/A 7.0 ppb (6) N/A N/A 61.0 ppb (47) 0.34 ppb (4) N/A 11.0 μg/m3 (46) 61.0
 
Feb. 17, 2020, 11 p.m. N/A 13.4 ppb (12) N/A 5.0 ppb (5) N/A N/A 10.0 ppb (8) 0.3 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 17, 2020, 10 p.m. N/A 9.8 ppb (9) N/A 5.0 ppb (5) N/A N/A 6.0 ppb (5) 0.31 ppb (3) N/A 14.0 μg/m3 (54) 54.0
 
Feb. 17, 2020, 9 p.m. N/A 37.9 ppb (35) N/A 8.0 ppb (7) N/A N/A 35.0 ppb (27) 0.35 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Feb. 17, 2020, 8 p.m. N/A 57.8 ppb (54) N/A 7.0 ppb (6) N/A N/A 55.0 ppb (42) 0.36 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Feb. 17, 2020, 7 p.m. N/A 20.4 ppb (19) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) 0.32 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
Feb. 17, 2020, 6 p.m. N/A 26.6 ppb (25) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) 0.38 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Feb. 17, 2020, 5 p.m. N/A 42.0 ppb (39) N/A 10.0 ppb (9) N/A N/A 39.0 ppb (30) 0.45 ppb (5) N/A 36.0 μg/m3 (101) 101.0
 
Feb. 17, 2020, 4 p.m. N/A 41.2 ppb (38) N/A 23.0 ppb (21) N/A N/A 38.0 ppb (29) 0.93 ppb (10) N/A 33.0 μg/m3 (95) 95.0
 
Feb. 17, 2020, 3 p.m. N/A 56.2 ppb (52) N/A 14.0 ppb (13) N/A N/A 53.0 ppb (41) 0.62 ppb (7) N/A 25.0 μg/m3 (78) 78.0
 
Feb. 17, 2020, 2 p.m. N/A 34.3 ppb (32) N/A 12.0 ppb (11) N/A N/A 31.0 ppb (24) 0.38 ppb (4) N/A 45.0 μg/m3 (124) 124.0
 
Feb. 17, 2020, 1 p.m. N/A 39.4 ppb (36) N/A 15.0 ppb (14) N/A N/A 36.0 ppb (28) 0.49 ppb (5) N/A 34.0 μg/m3 (97) 97.0
 
Feb. 17, 2020, noon N/A 25.3 ppb (23) N/A 22.0 ppb (20) N/A N/A 22.0 ppb (17) 1.14 ppb (13) N/A 36.0 μg/m3 (101) 101.0
 
Feb. 17, 2020, 11 a.m. N/A 54.8 ppb (51) N/A 24.0 ppb (22) N/A N/A 52.0 ppb (40) 1.23 ppb (14) N/A 49.0 μg/m3 (134) 134.0
 
Feb. 17, 2020, 10 a.m. N/A 38.7 ppb (36) N/A 26.0 ppb (24) N/A N/A 36.0 ppb (28) 1.61 ppb (18) N/A 41.0 μg/m3 (114) 114.0
 
Feb. 17, 2020, 9 a.m. N/A 30.4 ppb (28) N/A 29.0 ppb (27) N/A N/A 27.0 ppb (21) 1.61 ppb (18) N/A 35.0 μg/m3 (99) 99.0
 
Feb. 17, 2020, 8 a.m. N/A 4.4 ppb (4) N/A 31.0 ppb (29) N/A N/A 1.0 ppb (1) 1.66 ppb (18) N/A 28.0 μg/m3 (84) 84.0
 
Feb. 17, 2020, 7 a.m. N/A 55.7 ppb (52) N/A 34.0 ppb (31) N/A N/A 53.0 ppb (41) 1.57 ppb (17) N/A 19.0 μg/m3 (65) 65.0
 
Feb. 17, 2020, 6 a.m. N/A 34.4 ppb (32) N/A 35.0 ppb (32) N/A N/A 31.0 ppb (24) 1.08 ppb (12) N/A 14.0 μg/m3 (54) 54.0
 
Feb. 17, 2020, 5 a.m. N/A 5.6 ppb (5) N/A 30.0 ppb (28) N/A N/A 2.0 ppb (2) 0.6 ppb (7) N/A 16.0 μg/m3 (59) 59.0
 
Feb. 17, 2020, 4 a.m. N/A 40.5 ppb (38) N/A 32.0 ppb (30) N/A N/A 38.0 ppb (29) 0.68 ppb (8) N/A 24.0 μg/m3 (76) 76.0
 
Feb. 17, 2020, 3 a.m. N/A 34.9 ppb (32) N/A 40.0 ppb (37) N/A N/A 32.0 ppb (25) 1.27 ppb (14) N/A 16.0 μg/m3 (59) 59.0
 
Feb. 17, 2020, 2 a.m. N/A 41.1 ppb (38) N/A 36.0 ppb (33) N/A N/A 38.0 ppb (29) 0.87 ppb (10) N/A 14.0 μg/m3 (54) 54.0
 
Feb. 17, 2020, 1 a.m. N/A 47.3 ppb (44) N/A 18.0 ppb (17) N/A N/A 44.0 ppb (34) 0.47 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Feb. 17, 2020, midnight N/A 33.9 ppb (31) N/A 8.0 ppb (7) N/A N/A 31.0 ppb (24) 0.34 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
Feb. 16, 2020, 11 p.m. N/A 31.5 ppb (29) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) 0.37 ppb (4) N/A 31.0 μg/m3 (90) 90.0
 
Feb. 16, 2020, 10 p.m. N/A 58.5 ppb (55) N/A 19.0 ppb (18) N/A N/A 56.0 ppb (43) 0.57 ppb (6) N/A 47.0 μg/m3 (129) 129.0
 
Feb. 16, 2020, 9 p.m. N/A 41.4 ppb (38) N/A 21.0 ppb (19) N/A N/A 39.0 ppb (30) 0.66 ppb (7) N/A 32.0 μg/m3 (93) 93.0
 
Feb. 16, 2020, 8 p.m. N/A 37.2 ppb (34) N/A 12.0 ppb (11) N/A N/A 34.0 ppb (26) 0.54 ppb (6) N/A 32.0 μg/m3 (93) 93.0
 
Feb. 16, 2020, 7 p.m. N/A 44.7 ppb (41) N/A 12.0 ppb (11) N/A N/A 42.0 ppb (32) 0.52 ppb (6) N/A 32.0 μg/m3 (93) 93.0
 
Feb. 16, 2020, 6 p.m. N/A 35.7 ppb (33) N/A 12.0 ppb (11) N/A N/A 33.0 ppb (25) 0.5 ppb (6) N/A 30.0 μg/m3 (88) 88.0
 
Feb. 16, 2020, 5 p.m. N/A 35.1 ppb (32) N/A 12.0 ppb (11) N/A N/A 32.0 ppb (25) 0.47 ppb (5) N/A 42.0 μg/m3 (116) 116.0
 
Feb. 16, 2020, 4 p.m. N/A 35.9 ppb (33) N/A 21.0 ppb (19) N/A N/A 33.0 ppb (25) 0.88 ppb (10) N/A 58.0 μg/m3 (151) 151.0
 
Feb. 16, 2020, 3 p.m. N/A 15.9 ppb (15) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (10) 0.95 ppb (11) N/A 49.0 μg/m3 (134) 134.0
 
Feb. 16, 2020, 2 p.m. N/A 25.8 ppb (24) N/A 17.0 ppb (16) N/A N/A 22.0 ppb (17) 0.6 ppb (7) N/A 41.0 μg/m3 (114) 114.0
 
Feb. 16, 2020, 1 p.m. N/A 32.9 ppb (30) N/A 20.0 ppb (19) N/A N/A 30.0 ppb (23) 0.85 ppb (9) N/A 66.0 μg/m3 (156) 156.0
 
Feb. 16, 2020, noon N/A 42.0 ppb (39) N/A 23.0 ppb (21) N/A N/A 39.0 ppb (30) 0.87 ppb (10) N/A 34.0 μg/m3 (97) 97.0
 
Feb. 16, 2020, 11 a.m. N/A 48.1 ppb (45) N/A 22.0 ppb (20) N/A N/A 45.0 ppb (35) 0.81 ppb (9) N/A 35.0 μg/m3 (99) 99.0
 
Feb. 16, 2020, 10 a.m. N/A 52.5 ppb (49) N/A 24.0 ppb (22) N/A N/A 50.0 ppb (38) 0.86 ppb (10) N/A 65.0 μg/m3 (155) 155.0
 
Feb. 16, 2020, 9 a.m. N/A 40.4 ppb (37) N/A 29.0 ppb (27) N/A N/A 37.0 ppb (28) 1.99 ppb (22) N/A 129.0 μg/m3 (189) 189.0
 
Feb. 16, 2020, 8 a.m. N/A 21.5 ppb (20) N/A 30.0 ppb (28) N/A N/A 18.0 ppb (14) 5.79 ppb (63) N/A 128.0 μg/m3 (188) 188.0
 
Feb. 16, 2020, 7 a.m. N/A 15.3 ppb (14) N/A 33.0 ppb (31) N/A N/A 12.0 ppb (9) 5.52 ppb (60) N/A 121.0 μg/m3 (184) 184.0
 
Feb. 16, 2020, 6 a.m. N/A 37.0 ppb (34) N/A 38.0 ppb (35) N/A N/A 34.0 ppb (26) 5.26 ppb (58) N/A 85.0 μg/m3 (166) 166.0
 
Feb. 16, 2020, 5 a.m. N/A 51.4 ppb (48) N/A 43.0 ppb (40) N/A N/A 49.0 ppb (38) 4.21 ppb (47) N/A 60.0 μg/m3 (152) 152.0
 
Feb. 16, 2020, 4 a.m. N/A 71.6 ppb (69) N/A 50.0 ppb (46) N/A N/A 69.0 ppb (53) 2.6 ppb (29) N/A 42.0 μg/m3 (116) 116.0
 
Feb. 16, 2020, 3 a.m. N/A 2.6 ppb (2) N/A 51.0 ppb (47) N/A N/A 0.0 ppb (0) 1.84 ppb (20) N/A 27.0 μg/m3 (82) 82.0
 
Feb. 16, 2020, 2 a.m. N/A -20.3 ppb (0) N/A 43.0 ppb (40) N/A N/A N/A 1.11 ppb (12) N/A 24.0 μg/m3 (76) 76.0
 
Feb. 16, 2020, 1 a.m. N/A 17.9 ppb (17) N/A 24.0 ppb (22) N/A N/A 15.0 ppb (12) 0.54 ppb (6) N/A 18.0 μg/m3 (63) 63.0
 
Feb. 16, 2020, midnight N/A 32.8 ppb (30) N/A 16.0 ppb (15) N/A N/A 30.0 ppb (23) 0.46 ppb (5) N/A 19.0 μg/m3 (65) 65.0
 
Feb. 15, 2020, 11 p.m. N/A 39.0 ppb (36) N/A 12.0 ppb (11) N/A N/A 36.0 ppb (28) 0.44 ppb (5) N/A 15.0 μg/m3 (56) 56.0
 
Feb. 15, 2020, 10 p.m. N/A 28.4 ppb (26) N/A 9.0 ppb (8) N/A N/A 25.0 ppb (19) 0.39 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
Feb. 15, 2020, 9 p.m. N/A 30.4 ppb (28) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.42 ppb (5) N/A 17.0 μg/m3 (61) 61.0
 
Feb. 15, 2020, 8 p.m. N/A -7.7 ppb (0) N/A 11.0 ppb (10) N/A N/A N/A 0.44 ppb (5) N/A 22.0 μg/m3 (71) 71.0
 
Feb. 15, 2020, 7 p.m. N/A 19.5 ppb (18) N/A 18.0 ppb (17) N/A N/A 16.0 ppb (12) 0.57 ppb (6) N/A 23.0 μg/m3 (73) 73.0
 
Feb. 15, 2020, 6 p.m. N/A 8.5 ppb (8) N/A 24.0 ppb (22) N/A N/A 5.0 ppb (4) 0.71 ppb (8) N/A 32.0 μg/m3 (93) 93.0
 
Feb. 15, 2020, 5 p.m. N/A 51.8 ppb (48) N/A 28.0 ppb (26) N/A N/A 49.0 ppb (38) 0.97 ppb (11) N/A 36.0 μg/m3 (101) 101.0
 
Feb. 15, 2020, 4 p.m. N/A 24.2 ppb (22) N/A 28.0 ppb (26) N/A N/A 21.0 ppb (16) 1.72 ppb (19) N/A 28.0 μg/m3 (84) 84.0
 
Feb. 15, 2020, 3 p.m. N/A 19.6 ppb (18) N/A 21.0 ppb (19) N/A N/A 16.0 ppb (12) 0.84 ppb (9) N/A 27.0 μg/m3 (82) 82.0
 
Feb. 15, 2020, 2 p.m. N/A 42.8 ppb (40) N/A 18.0 ppb (17) N/A N/A 40.0 ppb (31) 0.56 ppb (6) N/A 20.0 μg/m3 (67) 67.0
 
Feb. 15, 2020, 1 p.m. N/A 37.9 ppb (35) N/A 17.0 ppb (16) N/A N/A 35.0 ppb (27) 0.47 ppb (5) N/A 27.0 μg/m3 (82) 82.0
 
Feb. 15, 2020, noon N/A 83.7 ppb (82) N/A 21.0 ppb (19) N/A N/A 81.0 ppb (63) 1.11 ppb (12) N/A 22.0 μg/m3 (71) 82.0
 
Feb. 15, 2020, 11 a.m. N/A 23.8 ppb (22) N/A 17.0 ppb (16) N/A N/A 21.0 ppb (16) 0.84 ppb (9) N/A 25.0 μg/m3 (78) 78.0
 
Feb. 15, 2020, 10 a.m. N/A 34.9 ppb (32) N/A 18.0 ppb (17) N/A N/A 32.0 ppb (25) 0.56 ppb (6) N/A 47.0 μg/m3 (129) 129.0
 
Feb. 15, 2020, 9 a.m. N/A 28.0 ppb (26) N/A 27.0 ppb (25) N/A N/A 25.0 ppb (19) 1.65 ppb (18) N/A 126.0 μg/m3 (187) 187.0
 
Feb. 15, 2020, 8 a.m. N/A 17.9 ppb (17) N/A 26.0 ppb (24) N/A N/A 15.0 ppb (12) 4.96 ppb (55) N/A 104.0 μg/m3 (176) 176.0
 
Feb. 15, 2020, 7 a.m. N/A 40.6 ppb (38) N/A 31.0 ppb (29) N/A N/A 37.0 ppb (28) 5.77 ppb (63) N/A 108.0 μg/m3 (178) 178.0
 
Feb. 15, 2020, 6 a.m. N/A 30.3 ppb (28) N/A 36.0 ppb (33) N/A N/A 27.0 ppb (21) 5.78 ppb (63) N/A 79.0 μg/m3 (162) 162.0
 
Feb. 15, 2020, 5 a.m. N/A 34.7 ppb (32) N/A 36.0 ppb (33) N/A N/A 31.0 ppb (24) 4.4 ppb (49) N/A 53.0 μg/m3 (144) 144.0
 
Feb. 15, 2020, 4 a.m. N/A -8.7 ppb (0) N/A 41.0 ppb (38) N/A N/A N/A 2.83 ppb (31) N/A 40.0 μg/m3 (111) 111.0
 
Feb. 15, 2020, 3 a.m. N/A 8.5 ppb (8) N/A 43.0 ppb (40) N/A N/A 5.0 ppb (4) 2.38 ppb (26) N/A 32.0 μg/m3 (93) 93.0
 
Feb. 15, 2020, 2 a.m. N/A 33.1 ppb (31) N/A 42.0 ppb (39) N/A N/A 30.0 ppb (23) 0.91 ppb (10) N/A 23.0 μg/m3 (73) 73.0
 
Feb. 15, 2020, 1 a.m. N/A 30.2 ppb (28) N/A 16.0 ppb (15) N/A N/A 27.0 ppb (21) 0.44 ppb (5) N/A 20.0 μg/m3 (67) 67.0
 
Feb. 15, 2020, midnight N/A 27.3 ppb (25) N/A 17.0 ppb (16) N/A N/A 24.0 ppb (18) 0.5 ppb (6) N/A 20.0 μg/m3 (67) 67.0
 
Feb. 14, 2020, 11 p.m. N/A 38.1 ppb (35) N/A 16.0 ppb (15) N/A N/A 35.0 ppb (27) 0.52 ppb (6) N/A 17.0 μg/m3 (61) 61.0
 
Feb. 14, 2020, 10 p.m. N/A 15.9 ppb (15) N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) 0.44 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
Feb. 14, 2020, 9 p.m. N/A 25.9 ppb (24) N/A 9.0 ppb (8) N/A N/A 23.0 ppb (18) 0.39 ppb (4) N/A N/A 24.0
 
Feb. 14, 2020, 8 p.m. N/A 51.2 ppb (47) N/A 6.0 ppb (6) N/A N/A 48.0 ppb (37) 0.29 ppb (3) N/A N/A 47.0
 
Feb. 14, 2020, 7 p.m. N/A 32.3 ppb (30) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.36 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Feb. 14, 2020, 6 p.m. N/A 45.9 ppb (42) N/A 7.0 ppb (6) N/A N/A 43.0 ppb (33) 0.3 ppb (3) N/A 21.0 μg/m3 (69) 69.0
 
Feb. 14, 2020, 5 p.m. N/A 28.9 ppb (27) N/A 17.0 ppb (16) N/A N/A 26.0 ppb (20) 0.54 ppb (6) N/A 37.0 μg/m3 (104) 104.0
 
Feb. 14, 2020, 4 p.m. N/A 25.4 ppb (24) N/A 24.0 ppb (22) N/A N/A 22.0 ppb (17) 1.12 ppb (12) N/A 48.0 μg/m3 (131) 131.0
 
Feb. 14, 2020, 3 p.m. N/A 35.1 ppb (32) N/A 20.0 ppb (19) N/A N/A 32.0 ppb (25) 1.0 ppb (11) N/A 41.0 μg/m3 (114) 114.0
 
Feb. 14, 2020, 2 p.m. N/A -8.4 ppb (0) N/A 20.0 ppb (19) N/A N/A N/A 0.57 ppb (6) N/A 45.0 μg/m3 (124) 124.0
 
Feb. 14, 2020, 1 p.m. N/A 48.7 ppb (45) N/A 17.0 ppb (16) N/A N/A 46.0 ppb (35) 0.77 ppb (9) N/A 49.0 μg/m3 (134) 134.0
 
Feb. 14, 2020, noon N/A 40.8 ppb (38) N/A 18.0 ppb (17) N/A N/A 38.0 ppb (29) 0.95 ppb (11) N/A 57.0 μg/m3 (151) 151.0
 
Feb. 14, 2020, 11 a.m. N/A 44.2 ppb (41) N/A 20.0 ppb (19) N/A N/A 41.0 ppb (32) 1.01 ppb (11) N/A 60.0 μg/m3 (152) 152.0
 
Feb. 14, 2020, 10 a.m. N/A 73.6 ppb (71) N/A 22.0 ppb (20) N/A N/A 71.0 ppb (55) 1.25 ppb (14) N/A 38.0 μg/m3 (106) 106.0
 
Feb. 14, 2020, 9 a.m. N/A 42.3 ppb (39) N/A 26.0 ppb (24) N/A N/A 39.0 ppb (30) 1.18 ppb (13) N/A 37.0 μg/m3 (104) 104.0
 
Feb. 14, 2020, 8 a.m. N/A 29.6 ppb (27) N/A 28.0 ppb (26) N/A N/A 27.0 ppb (21) 1.18 ppb (13) N/A 53.0 μg/m3 (144) 144.0
 
Feb. 14, 2020, 7 a.m. N/A 35.7 ppb (33) N/A 30.0 ppb (28) N/A N/A 33.0 ppb (25) 1.96 ppb (22) N/A 92.0 μg/m3 (169) 169.0
 
Feb. 14, 2020, 6 a.m. N/A 39.3 ppb (36) N/A 32.0 ppb (30) N/A N/A 36.0 ppb (28) 3.31 ppb (37) N/A 88.0 μg/m3 (167) 167.0
 
Feb. 14, 2020, 5 a.m. N/A 14.8 ppb (14) N/A 35.0 ppb (32) N/A N/A 11.0 ppb (8) 1.81 ppb (20) N/A 60.0 μg/m3 (152) 152.0
 
Feb. 14, 2020, 4 a.m. N/A -0.4 ppb (0) N/A 36.0 ppb (33) N/A N/A -3.0 ppb (0) 1.64 ppb (18) N/A 35.0 μg/m3 (99) 99.0
 
Feb. 14, 2020, 3 a.m. N/A 25.5 ppb (24) N/A 35.0 ppb (32) N/A N/A 22.0 ppb (17) 1.38 ppb (15) N/A 17.0 μg/m3 (61) 61.0
 
Feb. 14, 2020, 2 a.m. N/A -6.1 ppb (0) N/A 27.0 ppb (25) N/A N/A N/A 0.67 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 14, 2020, 1 a.m. N/A -5.0 ppb (0) N/A 14.0 ppb (13) N/A N/A N/A 0.43 ppb (5) N/A 23.0 μg/m3 (73) 73.0
 
Feb. 14, 2020, midnight N/A 56.7 ppb (53) N/A 13.0 ppb (12) N/A N/A 54.0 ppb (42) 0.45 ppb (5) N/A 25.0 μg/m3 (78) 78.0
 
Feb. 13, 2020, 11 p.m. N/A 21.2 ppb (20) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 0.48 ppb (5) N/A 30.0 μg/m3 (88) 88.0
 
Feb. 13, 2020, 10 p.m. N/A -10.2 ppb (0) N/A 16.0 ppb (15) N/A N/A N/A 0.53 ppb (6) N/A 33.0 μg/m3 (95) 95.0
 
Feb. 13, 2020, 9 p.m. N/A 29.0 ppb (27) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) 0.47 ppb (5) N/A 31.0 μg/m3 (90) 90.0
 
Feb. 13, 2020, 8 p.m. N/A 18.0 ppb (17) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) 0.34 ppb (4) N/A 27.0 μg/m3 (82) 82.0
 
Feb. 13, 2020, 7 p.m. N/A 64.1 ppb (61) N/A 8.0 ppb (7) N/A N/A 61.0 ppb (47) 0.34 ppb (4) N/A 27.0 μg/m3 (82) 82.0
 
Feb. 13, 2020, 6 p.m. N/A 60.1 ppb (56) N/A 9.0 ppb (8) N/A N/A 57.0 ppb (44) 0.37 ppb (4) N/A 18.0 μg/m3 (63) 63.0
 
Feb. 13, 2020, 5 p.m. N/A 18.4 ppb (17) N/A 13.0 ppb (12) N/A N/A 15.0 ppb (12) 0.33 ppb (4) N/A 35.0 μg/m3 (99) 99.0
 
Feb. 13, 2020, 4 p.m. N/A 22.8 ppb (21) N/A 20.0 ppb (19) N/A N/A 20.0 ppb (15) 0.96 ppb (11) N/A 42.0 μg/m3 (116) 116.0
 
Feb. 13, 2020, 3 p.m. N/A 66.5 ppb (63) N/A 12.0 ppb (11) N/A N/A 64.0 ppb (49) 0.83 ppb (9) N/A 50.0 μg/m3 (136) 136.0
 
Feb. 13, 2020, 2 p.m. N/A 14.8 ppb (14) N/A 12.0 ppb (11) N/A N/A 11.0 ppb (8) 0.66 ppb (7) N/A 54.0 μg/m3 (146) 146.0
 
Feb. 13, 2020, 1 p.m. N/A 49.8 ppb (46) N/A 13.0 ppb (12) N/A N/A 47.0 ppb (36) 0.6 ppb (7) N/A 24.0 μg/m3 (76) 76.0
 
Feb. 13, 2020, noon N/A 77.3 ppb (75) N/A 12.0 ppb (11) N/A N/A 75.0 ppb (58) 0.46 ppb (5) N/A 23.0 μg/m3 (73) 75.0
 
Feb. 13, 2020, 11 a.m. N/A 25.9 ppb (24) N/A 13.0 ppb (12) N/A N/A 23.0 ppb (18) 0.35 ppb (4) N/A 22.0 μg/m3 (71) 71.0
 
Feb. 13, 2020, 10 a.m. N/A 20.0 ppb (19) N/A 16.0 ppb (15) N/A N/A 17.0 ppb (13) 0.38 ppb (4) N/A 23.0 μg/m3 (73) 73.0
 
Feb. 13, 2020, 9 a.m. N/A 50.4 ppb (47) N/A 10.0 ppb (9) N/A N/A 48.0 ppb (37) 0.34 ppb (4) N/A 18.0 μg/m3 (63) 63.0
 
Feb. 13, 2020, 8 a.m. N/A 36.8 ppb (34) N/A 13.0 ppb (12) N/A N/A 34.0 ppb (26) 0.39 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Feb. 13, 2020, 7 a.m. N/A 15.3 ppb (14) N/A 22.0 ppb (20) N/A N/A 12.0 ppb (9) 0.57 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Feb. 13, 2020, 6 a.m. N/A 35.0 ppb (32) N/A 19.0 ppb (18) N/A N/A 32.0 ppb (25) 0.54 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
Feb. 13, 2020, 5 a.m. N/A 15.0 ppb (14) N/A 21.0 ppb (19) N/A N/A 12.0 ppb (9) 0.51 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Feb. 13, 2020, 4 a.m. N/A 39.4 ppb (36) N/A 24.0 ppb (22) N/A N/A 36.0 ppb (28) 0.6 ppb (7) N/A 18.0 μg/m3 (63) 63.0
 
Feb. 13, 2020, 3 a.m. N/A 49.9 ppb (46) N/A 27.0 ppb (25) N/A N/A 47.0 ppb (36) 0.62 ppb (7) N/A 13.0 μg/m3 (52) 52.0
 
Feb. 13, 2020, 2 a.m. N/A 16.0 ppb (15) N/A 30.0 ppb (28) N/A N/A 13.0 ppb (10) 0.79 ppb (9) N/A 12.0 μg/m3 (50) 50.0
 
Feb. 13, 2020, 1 a.m. N/A 39.2 ppb (36) N/A 18.0 ppb (17) N/A N/A 36.0 ppb (28) 0.55 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Feb. 13, 2020, midnight N/A 1.2 ppb (1) N/A 12.0 ppb (11) N/A N/A -1.0 ppb (0) 0.43 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
Feb. 12, 2020, 11 p.m. N/A 57.8 ppb (54) N/A 11.0 ppb (10) N/A N/A 55.0 ppb (42) 0.42 ppb (5) N/A 12.0 μg/m3 (50) 54.0
 
Feb. 12, 2020, 10 p.m. N/A 36.9 ppb (34) N/A 11.0 ppb (10) N/A N/A 34.0 ppb (26) 0.43 ppb (5) N/A 20.0 μg/m3 (67) 67.0
 
Feb. 12, 2020, 9 p.m. N/A 41.8 ppb (39) N/A 18.0 ppb (17) N/A N/A 39.0 ppb (30) 0.54 ppb (6) N/A 29.0 μg/m3 (86) 86.0
 
Feb. 12, 2020, 8 p.m. N/A 59.9 ppb (56) N/A 28.0 ppb (26) N/A N/A 57.0 ppb (44) 0.67 ppb (7) N/A 21.0 μg/m3 (69) 69.0
 
Feb. 12, 2020, 7 p.m. N/A 45.3 ppb (42) N/A 23.0 ppb (21) N/A N/A 42.0 ppb (32) 0.54 ppb (6) N/A 31.0 μg/m3 (90) 90.0
 
Feb. 12, 2020, 6 p.m. N/A 26.3 ppb (24) N/A 24.0 ppb (22) N/A N/A 23.0 ppb (18) 0.7 ppb (8) N/A 35.0 μg/m3 (99) 99.0
 
Feb. 12, 2020, 5 p.m. N/A 25.6 ppb (24) N/A 27.0 ppb (25) N/A N/A 22.0 ppb (17) 1.19 ppb (13) N/A 45.0 μg/m3 (124) 124.0
 
Feb. 12, 2020, 4 p.m. N/A 40.5 ppb (38) N/A 27.0 ppb (25) N/A N/A 38.0 ppb (29) 2.3 ppb (26) N/A 43.0 μg/m3 (119) 119.0
 
Feb. 12, 2020, 3 p.m. N/A 26.6 ppb (25) N/A 21.0 ppb (19) N/A N/A 23.0 ppb (18) 2.28 ppb (25) N/A 25.0 μg/m3 (78) 78.0
 
Feb. 12, 2020, 2 p.m. N/A 41.1 ppb (38) N/A 19.0 ppb (18) N/A N/A 38.0 ppb (29) 0.96 ppb (11) N/A 18.0 μg/m3 (63) 63.0
 
Feb. 12, 2020, 1 p.m. N/A 45.1 ppb (42) N/A 21.0 ppb (19) N/A N/A 42.0 ppb (32) 0.65 ppb (7) N/A 22.0 μg/m3 (71) 71.0
 
Feb. 12, 2020, noon N/A 8.6 ppb (8) N/A 21.0 ppb (19) N/A N/A 5.0 ppb (4) 0.65 ppb (7) N/A 27.0 μg/m3 (82) 82.0
 
Feb. 12, 2020, 11 a.m. N/A 19.3 ppb (18) N/A 21.0 ppb (19) N/A N/A 16.0 ppb (12) 0.69 ppb (8) N/A 27.0 μg/m3 (82) 82.0
 
Feb. 12, 2020, 10 a.m. N/A 32.0 ppb (30) N/A 21.0 ppb (19) N/A N/A 29.0 ppb (22) 0.77 ppb (9) N/A 25.0 μg/m3 (78) 78.0
 
Feb. 12, 2020, 9 a.m. N/A 50.7 ppb (47) N/A 23.0 ppb (21) N/A N/A 48.0 ppb (37) 0.83 ppb (9) N/A 32.0 μg/m3 (93) 93.0
 
Feb. 12, 2020, 8 a.m. N/A 37.0 ppb (34) N/A 24.0 ppb (22) N/A N/A 34.0 ppb (26) 0.89 ppb (10) N/A 25.0 μg/m3 (78) 78.0
 
Feb. 12, 2020, 7 a.m. N/A 56.2 ppb (52) N/A 25.0 ppb (23) N/A N/A 53.0 ppb (41) 0.69 ppb (8) N/A 26.0 μg/m3 (80) 80.0
 
Feb. 12, 2020, 6 a.m. N/A 19.0 ppb (18) N/A 29.0 ppb (27) N/A N/A 16.0 ppb (12) 1.0 ppb (11) N/A 30.0 μg/m3 (88) 88.0