ID: 2345

AQSQID: 800090171

Site Name: Merced

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

Updated: Jan. 23, 2021, 10:31 p.m.

Location: Mexico City (Centro de Salud T3 Dr. Luis E. Ruiz), MX

Reporting: True, Located: True

Current AQI: 115.0

Mexico City (Centro de Salud T3 Dr. Luis E. Ruiz) MX, MX: 19.4246, -99.1195

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 23, 2021, 8 p.m. N/A N/A N/A 24.0 ppb (23) N/A 3.0 ppb (5) 92.0 ppb (113) 0.9 ppb (11) 63.0 μg/m3 (55) 41.0 μg/m3 (115) 115.0
 
Jan. 23, 2021, 7 p.m. N/A N/A N/A 43.0 ppb (41) N/A 3.0 ppb (5) 66.0 ppb (87) 1.2 ppb (14) 68.0 μg/m3 (58) 43.0 μg/m3 (120) 120.0
 
Jan. 23, 2021, 6 p.m. N/A N/A N/A 57.0 ppb (55) N/A 3.0 ppb (5) 45.0 ppb (42) 1.4 ppb (16) 77.0 μg/m3 (62) 46.0 μg/m3 (127) 127.0
 
Jan. 23, 2021, 5 p.m. N/A N/A N/A 69.0 ppb (67) N/A 3.0 ppb (5) 20.0 ppb (19) 1.7 ppb (20) 77.0 μg/m3 (62) 43.0 μg/m3 (120) 120.0
 
Jan. 23, 2021, 4 p.m. N/A N/A N/A 60.0 ppb (58) N/A 3.0 ppb (5) 9.0 ppb (9) 1.8 ppb (21) 78.0 μg/m3 (63) 42.0 μg/m3 (118) 118.0
 
Jan. 23, 2021, 3 p.m. N/A N/A N/A 45.0 ppb (43) N/A 4.0 ppb (6) 3.0 ppb (3) 1.9 ppb (22) 74.0 μg/m3 (61) 38.0 μg/m3 (108) 108.0
 
Jan. 23, 2021, 2 p.m. N/A N/A N/A 40.0 ppb (38) N/A 4.0 ppb (6) 2.0 ppb (2) 2.0 ppb (23) 66.0 μg/m3 (57) 37.0 μg/m3 (105) 105.0
 
Jan. 23, 2021, 1 p.m. N/A N/A N/A 49.0 ppb (47) N/A 3.0 ppb (5) 2.0 ppb (2) 1.9 ppb (22) 60.0 μg/m3 (54) 37.0 μg/m3 (105) 105.0
 
Jan. 23, 2021, noon N/A N/A N/A 46.0 ppb (44) N/A 3.0 ppb (5) 2.0 ppb (2) 1.6 ppb (19) 50.0 μg/m3 (47) 32.0 μg/m3 (93) 93.0
 
Jan. 23, 2021, 11 a.m. N/A N/A N/A 48.0 ppb (46) N/A 2.0 ppb (3) 2.0 ppb (2) 1.5 ppb (18) 43.0 μg/m3 (40) 26.0 μg/m3 (81) 81.0
 
Jan. 23, 2021, 10 a.m. N/A N/A N/A 49.0 ppb (47) N/A 2.0 ppb (3) 2.0 ppb (2) 1.5 ppb (18) 48.0 μg/m3 (45) 29.0 μg/m3 (87) 87.0
 
Jan. 23, 2021, 9 a.m. N/A N/A N/A 51.0 ppb (49) N/A 2.0 ppb (3) 4.0 ppb (4) 1.4 ppb (16) 40.0 μg/m3 (38) 19.0 μg/m3 (66) 66.0
 
Jan. 23, 2021, 8 a.m. N/A N/A N/A 54.0 ppb (51) N/A 2.0 ppb (3) 3.0 ppb (3) 1.6 ppb (19) 61.0 μg/m3 (54) 31.0 μg/m3 (91) 91.0
 
Jan. 23, 2021, 7 a.m. N/A N/A N/A 59.0 ppb (57) N/A 3.0 ppb (5) 4.0 ppb (4) 1.8 ppb (21) 86.0 μg/m3 (67) 45.0 μg/m3 (125) 125.0
 
Jan. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 2.0 ppb (2) 2.1 ppb (24) 58.0 μg/m3 (53) 28.0 μg/m3 (85) 85.0
 
Jan. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 5.0 ppb (5) 1.8 ppb (21) 54.0 μg/m3 (50) 27.0 μg/m3 (83) 83.0
 
Jan. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 24.0 ppb (23) 1.3 ppb (15) 50.0 μg/m3 (47) 23.0 μg/m3 (74) 74.0
 
Jan. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 26.0 ppb (25) 1.3 ppb (15) 57.0 μg/m3 (52) 27.0 μg/m3 (83) 83.0
 
Jan. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (29) 1.2 ppb (14) 57.0 μg/m3 (52) 31.0 μg/m3 (91) 91.0
 
Jan. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 57.0 ppb (58) 1.0 ppb (12) 29.0 μg/m3 (27) 20.0 μg/m3 (68) 68.0
 
Jan. 23, 2021, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 70.0 ppb (100) 0.9 ppb (11) 23.0 μg/m3 (22) 14.0 μg/m3 (55) 100.0
 
Jan. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 69.0 ppb (97) 0.9 ppb (11) 32.0 μg/m3 (30) 23.0 μg/m3 (74) 97.0
 
Jan. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 82.0 ppb (107) 0.9 ppb (11) 35.0 μg/m3 (33) 23.0 μg/m3 (74) 107.0
 
Jan. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 79.0 ppb (106) 0.8 ppb (10) 38.0 μg/m3 (36) 26.0 μg/m3 (81) 106.0
 
Jan. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 64.0 ppb (81) 0.9 ppb (11) 39.0 μg/m3 (37) 24.0 μg/m3 (77) 81.0
 
Jan. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (52) 38.0 μg/m3 (108) 108.0
 
Jan. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (53) 32.0 μg/m3 (93) 93.0
 
Jan. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (54) 32.0 μg/m3 (93) 93.0
 
Jan. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 85.0 μg/m3 (66) 39.0 μg/m3 (110) 110.0
 
Jan. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 3.0 ppb (3) 2.5 ppb (29) 74.0 μg/m3 (61) 38.0 μg/m3 (108) 108.0
 
Jan. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 2.0 ppb (2) 2.2 ppb (25) 61.0 μg/m3 (54) 31.0 μg/m3 (91) 91.0
 
Jan. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 2.0 ppb (2) 1.9 ppb (22) 50.0 μg/m3 (47) 27.0 μg/m3 (83) 83.0
 
Jan. 22, 2021, noon N/A N/A N/A N/A N/A 3.0 ppb (5) 2.0 ppb (2) 1.4 ppb (16) 54.0 μg/m3 (50) 32.0 μg/m3 (93) 93.0
 
Jan. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 2.0 ppb (2) 1.3 ppb (15) 54.0 μg/m3 (50) 30.0 μg/m3 (89) 89.0
 
Jan. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 2.0 ppb (2) 1.3 ppb (15) 43.0 μg/m3 (40) 21.0 μg/m3 (70) 70.0
 
Jan. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 2.0 ppb (2) 1.3 ppb (15) 44.0 μg/m3 (41) 17.0 μg/m3 (62) 62.0
 
Jan. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 2.0 ppb (2) 1.4 ppb (16) 51.0 μg/m3 (48) 24.0 μg/m3 (77) 77.0
 
Jan. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 3.0 ppb (3) 1.4 ppb (16) 54.0 μg/m3 (50) 24.0 μg/m3 (77) 77.0
 
Jan. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 2.0 ppb (2) 1.8 ppb (21) 62.0 μg/m3 (55) 31.0 μg/m3 (91) 91.0
 
Jan. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 2.0 ppb (2) 2.2 ppb (25) 41.0 μg/m3 (38) 19.0 μg/m3 (66) 66.0
 
Jan. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 3.0 ppb (3) 1.7 ppb (20) 44.0 μg/m3 (41) 19.0 μg/m3 (66) 66.0
 
Jan. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 8.0 ppb (8) 1.5 ppb (18) 39.0 μg/m3 (37) 14.0 μg/m3 (55) 55.0
 
Jan. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 14.0 μg/m3 (55) 55.0
 
Jan. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
Jan. 21, 2021, 10 p.m. N/A N/A N/A 21.0 ppb (20) N/A 3.0 ppb (5) 61.0 ppb (71) 0.8 ppb (10) 13.0 μg/m3 (13) 6.0 μg/m3 (25) 71.0
 
Jan. 21, 2021, 9 p.m. N/A N/A N/A 24.0 ppb (23) N/A 3.0 ppb (5) 48.0 ppb (45) 0.9 ppb (11) 31.0 μg/m3 (29) 22.0 μg/m3 (72) 72.0
 
Jan. 21, 2021, 8 p.m. N/A N/A N/A 27.0 ppb (26) N/A 3.0 ppb (5) 50.0 ppb (47) 1.0 ppb (12) 55.0 μg/m3 (51) 36.0 μg/m3 (103) 103.0
 
Jan. 21, 2021, 7 p.m. N/A N/A N/A 47.0 ppb (45) N/A 5.0 ppb (8) 46.0 ppb (43) 1.4 ppb (16) 77.0 μg/m3 (62) 51.0 μg/m3 (140) 140.0
 
Jan. 21, 2021, 6 p.m. N/A N/A N/A 68.0 ppb (66) N/A 8.0 ppb (12) 26.0 ppb (25) 1.8 ppb (21) 73.0 μg/m3 (60) 49.0 μg/m3 (135) 135.0
 
Jan. 21, 2021, 5 p.m. N/A N/A N/A 62.0 ppb (60) N/A 11.0 ppb (16) 10.0 ppb (10) 1.8 ppb (21) 49.0 μg/m3 (46) 30.0 μg/m3 (89) 89.0
 
Jan. 21, 2021, 4 p.m. N/A N/A N/A 44.0 ppb (42) N/A 13.0 ppb (19) 8.0 ppb (8) 1.5 ppb (18) 50.0 μg/m3 (47) 29.0 μg/m3 (87) 87.0
 
Jan. 21, 2021, 3 p.m. N/A N/A N/A 30.0 ppb (29) N/A 12.0 ppb (18) 1.0 ppb (1) 1.6 ppb (19) 49.0 μg/m3 (46) 23.0 μg/m3 (74) 74.0
 
Jan. 21, 2021, 2 p.m. N/A N/A N/A 32.0 ppb (31) N/A 6.0 ppb (9) 0.0 ppb (0) 1.8 ppb (21) 36.0 μg/m3 (34) 19.0 μg/m3 (66) 66.0
 
Jan. 21, 2021, 1 p.m. N/A N/A N/A 24.0 ppb (23) N/A 6.0 ppb (9) N/A 1.2 ppb (14) 27.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
Jan. 21, 2021, noon N/A N/A N/A 24.0 ppb (23) N/A 6.0 ppb (9) N/A 1.1 ppb (13) 32.0 μg/m3 (30) 18.0 μg/m3 (64) 64.0
 
Jan. 21, 2021, 11 a.m. N/A N/A N/A 22.0 ppb (21) N/A 7.0 ppb (10) N/A 1.2 ppb (14) 33.0 μg/m3 (31) 19.0 μg/m3 (66) 66.0
 
Jan. 21, 2021, 10 a.m. N/A N/A N/A 23.0 ppb (22) N/A 10.0 ppb (15) N/A 1.1 ppb (13) 29.0 μg/m3 (27) 17.0 μg/m3 (62) 62.0
 
Jan. 21, 2021, 9 a.m. N/A N/A N/A 22.0 ppb (21) N/A 11.0 ppb (16) 0.0 ppb (0) 1.0 ppb (12) 34.0 μg/m3 (32) 20.0 μg/m3 (68) 68.0
 
Jan. 21, 2021, 8 a.m. N/A N/A N/A 24.0 ppb (23) N/A 14.0 ppb (20) N/A 1.0 ppb (12) 43.0 μg/m3 (40) 18.0 μg/m3 (64) 64.0
 
Jan. 21, 2021, 7 a.m. N/A N/A N/A 26.0 ppb (25) N/A 19.0 ppb (28) N/A 1.0 ppb (12) 41.0 μg/m3 (38) 22.0 μg/m3 (72) 72.0
 
Jan. 21, 2021, 6 a.m. N/A N/A N/A 26.0 ppb (25) N/A 15.0 ppb (22) N/A 1.0 ppb (12) 20.0 μg/m3 (19) 2.0 μg/m3 (9) 25.0
 
Jan. 21, 2021, 5 a.m. N/A N/A N/A 30.0 ppb (29) N/A 9.0 ppb (13) 0.0 ppb (0) 1.5 ppb (18) 19.0 μg/m3 (18) 4.0 μg/m3 (17) 29.0
 
Jan. 21, 2021, 4 a.m. N/A N/A N/A 30.0 ppb (29) N/A 10.0 ppb (15) 1.0 ppb (1) 1.2 ppb (14) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 29.0
 
Jan. 21, 2021, 3 a.m. N/A N/A N/A 18.0 ppb (17) N/A 8.0 ppb (12) 12.0 ppb (12) 0.9 ppb (11) 18.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2021, 2 a.m. N/A N/A N/A 20.0 ppb (19) N/A 5.0 ppb (8) 16.0 ppb (15) 0.9 ppb (11) 39.0 μg/m3 (37) 16.0 μg/m3 (60) 60.0
 
Jan. 21, 2021, 1 a.m. N/A N/A N/A 18.0 ppb (17) N/A 6.0 ppb (9) 19.0 ppb (18) 0.9 ppb (11) 35.0 μg/m3 (33) 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2021, midnight N/A N/A N/A 14.0 ppb (14) N/A 10.0 ppb (15) 28.0 ppb (26) 0.8 ppb (10) 36.0 μg/m3 (34) 17.0 μg/m3 (62) 62.0
 
Jan. 20, 2021, 11 p.m. N/A N/A N/A 17.0 ppb (17) N/A 9.0 ppb (13) 45.0 ppb (42) 0.9 ppb (11) 59.0 μg/m3 (53) 40.0 μg/m3 (113) 113.0
 
Jan. 20, 2021, 10 p.m. N/A N/A N/A 29.0 ppb (28) N/A 8.0 ppb (12) 72.0 ppb (102) 1.1 ppb (13) 60.0 μg/m3 (54) 41.0 μg/m3 (115) 115.0
 
Jan. 20, 2021, 9 p.m. N/A N/A N/A 33.0 ppb (32) N/A 9.0 ppb (13) 70.0 ppb (100) 1.1 ppb (13) 68.0 μg/m3 (58) 51.0 μg/m3 (140) 140.0
 
Jan. 20, 2021, 8 p.m. N/A N/A N/A 34.0 ppb (33) N/A 12.0 ppb (18) 53.0 ppb (50) 1.0 ppb (12) 61.0 μg/m3 (54) 38.0 μg/m3 (108) 108.0
 
Jan. 20, 2021, 7 p.m. N/A N/A N/A 34.0 ppb (33) N/A 15.0 ppb (22) 38.0 ppb (36) 1.1 ppb (13) 78.0 μg/m3 (63) 52.0 μg/m3 (142) 142.0
 
Jan. 20, 2021, 6 p.m. N/A N/A N/A 41.0 ppb (39) N/A 24.0 ppb (35) 23.0 ppb (22) 1.3 ppb (15) 77.0 μg/m3 (62) 48.0 μg/m3 (132) 132.0
 
Jan. 20, 2021, 5 p.m. N/A N/A N/A 49.0 ppb (47) N/A 25.0 ppb (36) 9.0 ppb (9) 1.5 ppb (18) 91.0 μg/m3 (69) 63.0 μg/m3 (155) 155.0
 
Jan. 20, 2021, 4 p.m. N/A N/A N/A 49.0 ppb (47) N/A 38.0 ppb (54) 3.0 ppb (3) 1.7 ppb (20) 86.0 μg/m3 (67) 58.0 μg/m3 (153) 153.0
 
Jan. 20, 2021, 3 p.m. N/A N/A N/A 41.0 ppb (39) N/A 37.0 ppb (53) 1.0 ppb (1) 1.7 ppb (20) 58.0 μg/m3 (53) 38.0 μg/m3 (108) 108.0
 
Jan. 20, 2021, 2 p.m. N/A N/A N/A 40.0 ppb (38) N/A 18.0 ppb (26) 0.0 ppb (0) 1.3 ppb (15) 55.0 μg/m3 (51) 38.0 μg/m3 (108) 108.0
 
Jan. 20, 2021, 1 p.m. N/A N/A N/A 40.0 ppb (38) N/A 15.0 ppb (22) 0.0 ppb (0) 1.3 ppb (15) 47.0 μg/m3 (44) 33.0 μg/m3 (95) 95.0
 
Jan. 20, 2021, noon N/A N/A N/A 31.0 ppb (30) N/A 12.0 ppb (18) 8.0 ppb (8) 0.9 ppb (11) 41.0 μg/m3 (38) 26.0 μg/m3 (81) 81.0
 
Jan. 20, 2021, 11 a.m. N/A N/A N/A 35.0 ppb (34) N/A 6.0 ppb (9) 6.0 ppb (6) 0.9 ppb (11) 38.0 μg/m3 (36) 21.0 μg/m3 (70) 70.0
 
Jan. 20, 2021, 10 a.m. N/A N/A N/A 37.0 ppb (35) N/A 6.0 ppb (9) 2.0 ppb (2) 0.9 ppb (11) 34.0 μg/m3 (32) 21.0 μg/m3 (70) 70.0
 
Jan. 20, 2021, 9 a.m. N/A N/A N/A 35.0 ppb (34) N/A 97.0 ppb (111) 3.0 ppb (3) 9.6 ppb (103) 36.0 μg/m3 (34) 22.0 μg/m3 (72) 111.0
 
Jan. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 35.0 μg/m3 (33) 18.0 μg/m3 (64) 64.0
 
Jan. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.2 ppb (3) 36.0 μg/m3 (34) 14.0 μg/m3 (55) 55.0
 
Jan. 20, 2021, 6 a.m. N/A N/A N/A 33.0 ppb (32) N/A 4.0 ppb (6) 13.0 ppb (13) 0.8 ppb (10) 50.0 μg/m3 (47) 18.0 μg/m3 (64) 64.0
 
Jan. 20, 2021, 5 a.m. N/A N/A N/A 25.0 ppb (24) N/A 4.0 ppb (6) 25.0 ppb (24) 0.9 ppb (11) 51.0 μg/m3 (48) 16.0 μg/m3 (60) 60.0
 
Jan. 20, 2021, 4 a.m. N/A N/A N/A 44.0 ppb (42) N/A 4.0 ppb (6) 7.0 ppb (7) 1.2 ppb (14) 29.0 μg/m3 (27) 14.0 μg/m3 (55) 55.0
 
Jan. 20, 2021, 3 a.m. N/A N/A N/A 44.0 ppb (42) N/A 3.0 ppb (5) 5.0 ppb (5) 1.2 ppb (14) 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2021, 2 a.m. N/A N/A N/A 29.0 ppb (28) N/A 3.0 ppb (5) 19.0 ppb (18) 1.0 ppb (12) 47.0 μg/m3 (44) 21.0 μg/m3 (70) 70.0
 
Jan. 20, 2021, 1 a.m. N/A N/A N/A 24.0 ppb (23) N/A 3.0 ppb (5) 31.0 ppb (29) 1.0 ppb (12) 45.0 μg/m3 (42) 23.0 μg/m3 (74) 74.0
 
Jan. 20, 2021, midnight N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (5) 58.0 ppb (61) 0.9 ppb (11) 41.0 μg/m3 (38) 27.0 μg/m3 (83) 83.0
 
Jan. 19, 2021, 11 p.m. N/A N/A N/A 16.0 ppb (16) N/A 3.0 ppb (5) 75.0 ppb (104) 0.8 ppb (10) 46.0 μg/m3 (43) 33.0 μg/m3 (95) 104.0
 
Jan. 19, 2021, 10 p.m. N/A N/A N/A 17.0 ppb (17) N/A 3.0 ppb (5) 73.0 ppb (103) 0.8 ppb (10) 33.0 μg/m3 (31) 21.0 μg/m3 (70) 103.0
 
Jan. 19, 2021, 9 p.m. N/A N/A N/A 26.0 ppb (25) N/A 4.0 ppb (6) 66.0 ppb (87) 0.9 ppb (11) 32.0 μg/m3 (30) 19.0 μg/m3 (66) 87.0
 
Jan. 19, 2021, 8 p.m. N/A N/A N/A 23.0 ppb (22) N/A 4.0 ppb (6) 64.0 ppb (81) 0.9 ppb (11) 45.0 μg/m3 (42) 33.0 μg/m3 (95) 95.0
 
Jan. 19, 2021, 7 p.m. N/A N/A N/A 32.0 ppb (31) N/A 4.0 ppb (6) 50.0 ppb (47) 1.0 ppb (12) 57.0 μg/m3 (52) 42.0 μg/m3 (118) 118.0
 
Jan. 19, 2021, 6 p.m. N/A N/A N/A 55.0 ppb (53) N/A 4.0 ppb (6) 34.0 ppb (32) 1.3 ppb (15) 50.0 μg/m3 (47) 33.0 μg/m3 (95) 95.0
 
Jan. 19, 2021, 5 p.m. N/A N/A N/A 64.0 ppb (62) N/A 4.0 ppb (6) 20.0 ppb (19) 1.6 ppb (19) 59.0 μg/m3 (53) 37.0 μg/m3 (105) 105.0
 
Jan. 19, 2021, 4 p.m. N/A N/A N/A 65.0 ppb (63) N/A 4.0 ppb (6) 10.0 ppb (10) 1.8 ppb (21) 64.0 μg/m3 (56) 34.0 μg/m3 (98) 98.0
 
Jan. 19, 2021, 3 p.m. N/A N/A N/A 48.0 ppb (46) N/A 6.0 ppb (9) 0.0 ppb (0) 2.7 ppb (31) 51.0 μg/m3 (48) 29.0 μg/m3 (87) 87.0
 
Jan. 19, 2021, 2 p.m. N/A N/A N/A 35.0 ppb (34) N/A 5.0 ppb (8) 0.0 ppb (0) 2.4 ppb (28) 39.0 μg/m3 (37) 20.0 μg/m3 (68) 68.0
 
Jan. 19, 2021, 1 p.m. N/A N/A N/A 32.0 ppb (31) N/A 4.0 ppb (6) N/A 2.0 ppb (23) 40.0 μg/m3 (38) 23.0 μg/m3 (74) 74.0
 
Jan. 19, 2021, noon N/A N/A N/A 31.0 ppb (30) N/A 4.0 ppb (6) N/A 1.8 ppb (21) 41.0 μg/m3 (38) 27.0 μg/m3 (83) 83.0
 
Jan. 19, 2021, 11 a.m. N/A N/A N/A 32.0 ppb (31) N/A 3.0 ppb (5) 0.0 ppb (0) 1.5 ppb (18) 34.0 μg/m3 (32) 23.0 μg/m3 (74) 74.0
 
Jan. 19, 2021, 10 a.m. N/A N/A N/A 33.0 ppb (32) N/A 3.0 ppb (5) N/A 1.3 ppb (15) 42.0 μg/m3 (39) 28.0 μg/m3 (85) 85.0
 
Jan. 19, 2021, 9 a.m. N/A N/A N/A 36.0 ppb (34) N/A 3.0 ppb (5) N/A 1.3 ppb (15) 46.0 μg/m3 (43) 28.0 μg/m3 (85) 85.0
 
Jan. 19, 2021, 8 a.m. N/A N/A N/A 41.0 ppb (39) N/A 3.0 ppb (5) 0.0 ppb (0) 1.6 ppb (19) 56.0 μg/m3 (52) 33.0 μg/m3 (95) 95.0
 
Jan. 19, 2021, 7 a.m. N/A N/A N/A 46.0 ppb (44) N/A 4.0 ppb (6) 0.0 ppb (0) 2.0 ppb (23) 47.0 μg/m3 (44) 25.0 μg/m3 (79) 79.0
 
Jan. 19, 2021, 6 a.m. N/A N/A N/A 48.0 ppb (46) N/A 4.0 ppb (6) 0.0 ppb (0) 1.8 ppb (21) 42.0 μg/m3 (39) 24.0 μg/m3 (77) 77.0
 
Jan. 19, 2021, 5 a.m. N/A N/A N/A 47.0 ppb (45) N/A 3.0 ppb (5) 1.0 ppb (1) 1.5 ppb (18) 46.0 μg/m3 (43) 27.0 μg/m3 (83) 83.0
 
Jan. 19, 2021, 4 a.m. N/A N/A N/A 50.0 ppb (48) N/A 3.0 ppb (5) 1.0 ppb (1) 1.6 ppb (19) 49.0 μg/m3 (46) 25.0 μg/m3 (79) 79.0
 
Jan. 19, 2021, 3 a.m. N/A N/A N/A 54.0 ppb (51) N/A 4.0 ppb (6) 0.0 ppb (0) 1.8 ppb (21) 29.0 μg/m3 (27) 13.0 μg/m3 (53) 53.0
 
Jan. 19, 2021, 2 a.m. N/A N/A N/A 46.0 ppb (44) N/A 3.0 ppb (5) 4.0 ppb (4) 1.4 ppb (16) 23.0 μg/m3 (22) 10.0 μg/m3 (42) 44.0
 
Jan. 19, 2021, 1 a.m. N/A N/A N/A 30.0 ppb (29) N/A 2.0 ppb (3) 17.0 ppb (16) 1.1 ppb (13) 20.0 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
Jan. 19, 2021, midnight N/A N/A N/A 23.0 ppb (22) N/A 3.0 ppb (5) 29.0 ppb (27) 0.9 ppb (11) 42.0 μg/m3 (39) 21.0 μg/m3 (70) 70.0
 
Jan. 18, 2021, 11 p.m. N/A N/A N/A 30.0 ppb (29) N/A 3.0 ppb (5) 62.0 ppb (74) 1.1 ppb (13) 51.0 μg/m3 (48) 37.0 μg/m3 (105) 105.0
 
Jan. 18, 2021, 10 p.m. N/A N/A N/A 24.0 ppb (23) N/A 3.0 ppb (5) 78.0 ppb (105) 1.0 ppb (12) 35.0 μg/m3 (33) 28.0 μg/m3 (85) 105.0
 
Jan. 18, 2021, 9 p.m. N/A N/A N/A 17.0 ppb (17) N/A 3.0 ppb (5) 60.0 ppb (68) 0.9 ppb (11) 29.0 μg/m3 (27) 22.0 μg/m3 (72) 72.0
 
Jan. 18, 2021, 8 p.m. N/A N/A N/A 17.0 ppb (17) N/A 3.0 ppb (5) 41.0 ppb (38) 0.8 ppb (10) 41.0 μg/m3 (38) 32.0 μg/m3 (93) 93.0
 
Jan. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 38.0 ppb (36) 1.0 ppb (12) 69.0 μg/m3 (58) 51.0 μg/m3 (140) 140.0
 
Jan. 18, 2021, 6 p.m. N/A N/A N/A 62.0 ppb (60) N/A 4.0 ppb (6) 24.0 ppb (23) 1.5 ppb (18) 48.0 μg/m3 (45) 30.0 μg/m3 (89) 89.0
 
Jan. 18, 2021, 5 p.m. N/A N/A N/A 59.0 ppb (57) N/A 4.0 ppb (6) 11.0 ppb (11) 1.6 ppb (19) 50.0 μg/m3 (47) 29.0 μg/m3 (87) 87.0
 
Jan. 18, 2021, 4 p.m. N/A N/A N/A 51.0 ppb (49) N/A 4.0 ppb (6) 2.0 ppb (2) 1.8 ppb (21) 46.0 μg/m3 (43) 26.0 μg/m3 (81) 81.0
 
Jan. 18, 2021, 3 p.m. N/A N/A N/A 36.0 ppb (34) N/A 4.0 ppb (6) 0.0 ppb (0) 1.6 ppb (19) 40.0 μg/m3 (38) 20.0 μg/m3 (68) 68.0
 
Jan. 18, 2021, 2 p.m. N/A N/A N/A 26.0 ppb (25) N/A 6.0 ppb (9) 0.0 ppb (0) 2.3 ppb (27) 43.0 μg/m3 (40) 20.0 μg/m3 (68) 68.0
 
Jan. 18, 2021, 1 p.m. N/A N/A N/A 26.0 ppb (25) N/A 6.0 ppb (9) 0.0 ppb (0) 2.2 ppb (25) 33.0 μg/m3 (31) 19.0 μg/m3 (66) 66.0
 
Jan. 18, 2021, noon N/A N/A N/A 18.0 ppb (17) N/A 4.0 ppb (6) 0.0 ppb (0) 1.6 ppb (19) 26.0 μg/m3 (25) 17.0 μg/m3 (62) 62.0
 
Jan. 18, 2021, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A 3.0 ppb (5) 0.0 ppb (0) 1.4 ppb (16) 27.0 μg/m3 (25) 16.0 μg/m3 (60) 60.0
 
Jan. 18, 2021, 10 a.m. N/A N/A N/A 21.0 ppb (20) N/A 4.0 ppb (6) 0.0 ppb (0) 1.8 ppb (21) 30.0 μg/m3 (28) 20.0 μg/m3 (68) 68.0
 
Jan. 18, 2021, 9 a.m. N/A N/A N/A 22.0 ppb (21) N/A 4.0 ppb (6) 0.0 ppb (0) 1.9 ppb (22) 26.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2021, 8 a.m. N/A N/A N/A 22.0 ppb (21) N/A 4.0 ppb (6) 0.0 ppb (0) 2.2 ppb (25) 30.0 μg/m3 (28) 13.0 μg/m3 (53) 53.0
 
Jan. 18, 2021, 7 a.m. N/A N/A N/A 25.0 ppb (24) N/A 4.0 ppb (6) N/A 2.2 ppb (25) 26.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
Jan. 18, 2021, 6 a.m. N/A N/A N/A 27.0 ppb (26) N/A 4.0 ppb (6) N/A 2.0 ppb (23) 38.0 μg/m3 (36) 25.0 μg/m3 (79) 79.0
 
Jan. 18, 2021, 5 a.m. N/A N/A N/A 25.0 ppb (24) N/A 3.0 ppb (5) N/A 1.7 ppb (20) 21.0 μg/m3 (20) 13.0 μg/m3 (53) 53.0
 
Jan. 18, 2021, 4 a.m. N/A N/A N/A 26.0 ppb (25) N/A 3.0 ppb (5) N/A 1.4 ppb (16) 21.0 μg/m3 (20) 14.0 μg/m3 (55) 55.0
 
Jan. 18, 2021, 3 a.m. N/A N/A N/A 29.0 ppb (28) N/A 3.0 ppb (5) 0.0 ppb (0) 1.3 ppb (15) 17.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2021, 2 a.m. N/A N/A N/A 26.0 ppb (25) N/A 3.0 ppb (5) 2.0 ppb (2) 1.1 ppb (13) 12.0 μg/m3 (12) 7.0 μg/m3 (30) 30.0
 
Jan. 18, 2021, 1 a.m. N/A N/A N/A 21.0 ppb (20) N/A 3.0 ppb (5) 6.0 ppb (6) 0.9 ppb (11) 20.0 μg/m3 (19) 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2021, midnight N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 13.0 ppb (13) 0.8 ppb (10) 20.0 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
Jan. 17, 2021, 11 p.m. N/A N/A N/A 13.0 ppb (13) N/A 3.0 ppb (5) 18.0 ppb (17) 0.8 ppb (10) 37.0 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2021, 10 p.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (5) 21.0 ppb (20) 0.9 ppb (11) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 20.0
 
Jan. 17, 2021, 9 p.m. N/A N/A N/A 15.0 ppb (15) N/A 2.0 ppb (3) 33.0 ppb (31) 0.8 ppb (10) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 31.0
 
Jan. 17, 2021, 8 p.m. N/A N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 34.0 ppb (32) 0.8 ppb (10) 13.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Jan. 17, 2021, 7 p.m. N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 32.0 ppb (30) 0.8 ppb (10) 29.0 μg/m3 (27) 20.0 μg/m3 (68) 68.0
 
Jan. 17, 2021, 6 p.m. N/A N/A N/A 24.0 ppb (23) N/A 3.0 ppb (5) 25.0 ppb (24) 1.0 ppb (12) 32.0 μg/m3 (30) 21.0 μg/m3 (70) 70.0
 
Jan. 17, 2021, 5 p.m. N/A N/A N/A 26.0 ppb (25) N/A 3.0 ppb (5) 16.0 ppb (15) 1.1 ppb (13) 28.0 μg/m3 (26) 17.0 μg/m3 (62) 62.0
 
Jan. 17, 2021, 4 p.m. N/A N/A N/A 26.0 ppb (25) N/A 3.0 ppb (5) 6.0 ppb (6) 1.3 ppb (15) 25.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2021, 3 p.m. N/A N/A N/A 27.0 ppb (26) N/A 4.0 ppb (6) 0.0 ppb (0) 1.6 ppb (19) 24.0 μg/m3 (23) 13.0 μg/m3 (53) 53.0
 
Jan. 17, 2021, 2 p.m. N/A N/A N/A 23.0 ppb (22) N/A 3.0 ppb (5) 0.0 ppb (0) 1.5 ppb (18) 19.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2021, 1 p.m. N/A N/A N/A 23.0 ppb (22) N/A 3.0 ppb (5) 0.0 ppb (0) 1.1 ppb (13) 20.0 μg/m3 (19) 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2021, noon N/A N/A N/A 24.0 ppb (23) N/A 3.0 ppb (5) N/A 1.1 ppb (13) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 23.0
 
Jan. 17, 2021, 11 a.m. N/A N/A N/A 23.0 ppb (22) N/A 3.0 ppb (5) 1.0 ppb (1) 0.9 ppb (11) 12.0 μg/m3 (12) 5.0 μg/m3 (21) 22.0
 
Jan. 17, 2021, 10 a.m. N/A N/A N/A 25.0 ppb (24) N/A 3.0 ppb (5) 2.0 ppb (2) 1.0 ppb (12) 28.0 μg/m3 (26) 19.0 μg/m3 (66) 66.0
 
Jan. 17, 2021, 9 a.m. N/A N/A N/A 23.0 ppb (22) N/A 3.0 ppb (5) 4.0 ppb (4) 1.0 ppb (12) 26.0 μg/m3 (25) 19.0 μg/m3 (66) 66.0
 
Jan. 17, 2021, 8 a.m. N/A N/A N/A 17.0 ppb (17) N/A 3.0 ppb (5) 9.0 ppb (9) 0.9 ppb (11) 10.0 μg/m3 (10) 3.0 μg/m3 (13) 17.0
 
Jan. 17, 2021, 7 a.m. N/A N/A N/A 21.0 ppb (20) N/A 4.0 ppb (6) 7.0 ppb (7) 1.0 ppb (12) 27.0 μg/m3 (25) 20.0 μg/m3 (68) 68.0
 
Jan. 17, 2021, 6 a.m. N/A N/A N/A 22.0 ppb (21) N/A 4.0 ppb (6) 9.0 ppb (9) 1.0 ppb (12) 22.0 μg/m3 (21) 14.0 μg/m3 (55) 55.0
 
Jan. 17, 2021, 5 a.m. N/A N/A N/A 28.0 ppb (27) N/A 4.0 ppb (6) 8.0 ppb (8) 1.1 ppb (13) 25.0 μg/m3 (24) 20.0 μg/m3 (68) 68.0
 
Jan. 17, 2021, 4 a.m. N/A N/A N/A 37.0 ppb (35) N/A 4.0 ppb (6) 5.0 ppb (5) 1.2 ppb (14) 35.0 μg/m3 (33) 29.0 μg/m3 (87) 87.0
 
Jan. 17, 2021, 3 a.m. N/A N/A N/A 47.0 ppb (45) N/A 5.0 ppb (8) 2.0 ppb (2) 1.3 ppb (15) 23.0 μg/m3 (22) 17.0 μg/m3 (62) 62.0
 
Jan. 17, 2021, 2 a.m. N/A N/A N/A 43.0 ppb (41) N/A 6.0 ppb (9) 2.0 ppb (2) 1.2 ppb (14) 19.0 μg/m3 (18) 13.0 μg/m3 (53) 53.0
 
Jan. 17, 2021, 1 a.m. N/A N/A N/A 28.0 ppb (27) N/A 6.0 ppb (9) 15.0 ppb (14) 1.0 ppb (12) 42.0 μg/m3 (39) 24.0 μg/m3 (77) 77.0
 
Jan. 17, 2021, midnight N/A N/A N/A 24.0 ppb (23) N/A 7.0 ppb (10) 25.0 ppb (24) 1.0 ppb (12) 33.0 μg/m3 (31) 16.0 μg/m3 (60) 60.0
 
Jan. 16, 2021, 11 p.m. N/A N/A N/A 14.0 ppb (14) N/A 4.0 ppb (6) 42.0 ppb (39) 0.8 ppb (10) 32.0 μg/m3 (30) 16.0 μg/m3 (60) 60.0
 
Jan. 16, 2021, 10 p.m. N/A N/A N/A 13.0 ppb (13) N/A 4.0 ppb (6) 44.0 ppb (41) 0.8 ppb (10) 58.0 μg/m3 (53) 33.0 μg/m3 (95) 95.0
 
Jan. 16, 2021, 9 p.m. N/A N/A N/A 19.0 ppb (18) N/A 9.0 ppb (13) 64.0 ppb (81) 0.9 ppb (11) 34.0 μg/m3 (32) 21.0 μg/m3 (70) 81.0