AQSQID: 800090171

Site Name: Merced

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

Reporting: True, Located: True

Current AQI: 52.0

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
Feb. 28, 2020, 5 a.m. N/A N/A N/A 33.0 ppb (31) N/A 3.0 ppb (4) 13.0 ppb (10) 0.7 ppb (8) 58.0 μg/m3 (52) 12.0 μg/m3 (50) 52.0
 
Feb. 28, 2020, 4 a.m. N/A N/A N/A 32.0 ppb (30) N/A 4.0 ppb (6) 20.0 ppb (15) 0.6 ppb (7) 55.0 μg/m3 (50) 14.0 μg/m3 (54) 54.0
 
Feb. 28, 2020, 3 a.m. N/A N/A N/A 30.0 ppb (28) N/A 4.0 ppb (6) 29.0 ppb (22) 0.6 ppb (7) 66.0 μg/m3 (56) 21.0 μg/m3 (69) 69.0
 
Feb. 28, 2020, 2 a.m. N/A N/A N/A 40.0 ppb (37) N/A 4.0 ppb (6) 27.0 ppb (21) 0.8 ppb (9) 48.0 μg/m3 (44) 15.0 μg/m3 (56) 56.0
 
Feb. 28, 2020, 1 a.m. N/A N/A N/A 24.0 ppb (22) N/A 3.0 ppb (4) 50.0 ppb (38) 0.7 ppb (8) 56.0 μg/m3 (50) 15.0 μg/m3 (56) 56.0
 
Feb. 28, 2020, midnight N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (4) 55.0 ppb (42) 0.6 ppb (7) 76.0 μg/m3 (60) 17.0 μg/m3 (61) 61.0
 
Feb. 27, 2020, 11 p.m. N/A N/A N/A 15.0 ppb (14) N/A 3.0 ppb (4) 57.0 ppb (44) 0.6 ppb (7) 64.0 μg/m3 (54) 19.0 μg/m3 (65) 65.0
 
Feb. 27, 2020, 10 p.m. N/A N/A N/A 14.0 ppb (13) N/A 3.0 ppb (4) 71.0 ppb (55) 0.6 ppb (7) 71.0 μg/m3 (58) 34.0 μg/m3 (97) 97.0
 
Feb. 27, 2020, 9 p.m. N/A N/A N/A 23.0 ppb (21) N/A 4.0 ppb (6) 84.0 ppb (66) 0.7 ppb (8) 64.0 μg/m3 (54) 30.0 μg/m3 (88) 88.0
 
Feb. 27, 2020, 8 p.m. N/A N/A N/A 28.0 ppb (26) N/A 5.0 ppb (7) 68.0 ppb (52) 0.8 ppb (9) N/A 30.0 μg/m3 (88) 88.0
 
Feb. 27, 2020, 7 p.m. N/A N/A N/A 39.0 ppb (36) N/A 9.0 ppb (13) 48.0 ppb (37) 0.8 ppb (9) N/A N/A 37.0
 
Feb. 27, 2020, 6 p.m. N/A N/A N/A 52.0 ppb (48) N/A 13.0 ppb (19) 31.0 ppb (24) 1.0 ppb (11) 18.0 μg/m3 (16) 9.0 μg/m3 (38) 48.0
 
Feb. 27, 2020, 5 p.m. N/A N/A N/A 43.0 ppb (40) N/A 16.0 ppb (23) 25.0 ppb (19) 1.0 ppb (11) 87.0 μg/m3 (66) 45.0 μg/m3 (124) 124.0
 
Feb. 27, 2020, 4 p.m. N/A N/A N/A 37.0 ppb (34) N/A 20.0 ppb (29) 14.0 ppb (11) 1.1 ppb (12) 85.0 μg/m3 (65) 45.0 μg/m3 (124) 124.0
 
Feb. 27, 2020, 3 p.m. N/A N/A N/A 35.0 ppb (32) N/A 27.0 ppb (39) 8.0 ppb (6) 1.2 ppb (13) 74.0 μg/m3 (60) 38.0 μg/m3 (106) 106.0
 
Feb. 27, 2020, 2 p.m. N/A N/A N/A 35.0 ppb (32) N/A 20.0 ppb (29) 5.0 ppb (4) 1.3 ppb (14) 62.0 μg/m3 (54) 35.0 μg/m3 (99) 99.0
 
Feb. 27, 2020, 1 p.m. N/A N/A N/A 36.0 ppb (33) N/A 13.0 ppb (19) 4.0 ppb (3) 1.0 ppb (11) 48.0 μg/m3 (44) 26.0 μg/m3 (80) 80.0
 
Feb. 27, 2020, noon N/A N/A N/A 29.0 ppb (27) N/A 12.0 ppb (17) 4.0 ppb (3) 0.6 ppb (7) 42.0 μg/m3 (38) 22.0 μg/m3 (71) 71.0
 
Feb. 27, 2020, 11 a.m. N/A N/A N/A 28.0 ppb (26) N/A 16.0 ppb (23) 5.0 ppb (4) 0.6 ppb (7) 36.0 μg/m3 (33) 16.0 μg/m3 (59) 59.0
 
Feb. 27, 2020, 10 a.m. N/A N/A N/A 27.0 ppb (25) N/A 11.0 ppb (16) 6.0 ppb (5) 0.6 ppb (7) 38.0 μg/m3 (35) 16.0 μg/m3 (59) 59.0
 
Feb. 27, 2020, 9 a.m. N/A N/A N/A 30.0 ppb (28) N/A 12.0 ppb (17) 7.0 ppb (5) 0.6 ppb (7) 39.0 μg/m3 (35) 13.0 μg/m3 (52) 52.0
 
Feb. 27, 2020, 8 a.m. N/A N/A N/A 38.0 ppb (35) N/A 17.0 ppb (24) 4.0 ppb (3) 0.7 ppb (8) 51.0 μg/m3 (46) 21.0 μg/m3 (69) 69.0
 
Feb. 27, 2020, 7 a.m. N/A N/A N/A 37.0 ppb (34) N/A 13.0 ppb (19) 5.0 ppb (4) 0.7 ppb (8) 37.0 μg/m3 (34) 9.0 μg/m3 (38) 38.0
 
Feb. 27, 2020, 6 a.m. N/A N/A N/A 34.0 ppb (31) N/A 11.0 ppb (16) 9.0 ppb (7) 0.7 ppb (8) 56.0 μg/m3 (50) 10.0 μg/m3 (42) 50.0
 
Feb. 27, 2020, 5 a.m. N/A N/A N/A 41.0 ppb (38) N/A 9.0 ppb (13) 5.0 ppb (4) 0.8 ppb (9) 81.0 μg/m3 (63) 18.0 μg/m3 (63) 63.0
 
Feb. 27, 2020, 4 a.m. N/A N/A N/A 46.0 ppb (43) N/A 11.0 ppb (16) 4.0 ppb (3) 0.8 ppb (9) 88.0 μg/m3 (66) 13.0 μg/m3 (52) 66.0
 
Feb. 27, 2020, 3 a.m. N/A N/A N/A 48.0 ppb (44) N/A 17.0 ppb (24) 6.0 ppb (5) 0.9 ppb (10) 124.0 μg/m3 (84) 26.0 μg/m3 (80) 84.0
 
Feb. 27, 2020, 2 a.m. N/A N/A N/A 48.0 ppb (44) N/A 20.0 ppb (29) 10.0 ppb (8) 1.0 ppb (11) 131.0 μg/m3 (88) 16.0 μg/m3 (59) 88.0
 
Feb. 27, 2020, 1 a.m. N/A N/A N/A 41.0 ppb (38) N/A 8.0 ppb (11) 27.0 ppb (21) 0.9 ppb (10) 53.0 μg/m3 (48) 11.0 μg/m3 (46) 48.0
 
Feb. 27, 2020, midnight N/A N/A N/A 21.0 ppb (19) N/A 2.0 ppb (3) 52.0 ppb (40) 0.6 ppb (7) 50.0 μg/m3 (45) 13.0 μg/m3 (52) 52.0
 
Feb. 26, 2020, 11 p.m. N/A N/A N/A 14.0 ppb (13) N/A 2.0 ppb (3) 56.0 ppb (43) 0.5 ppb (6) 50.0 μg/m3 (45) 12.0 μg/m3 (50) 50.0
 
Feb. 26, 2020, 10 p.m. N/A N/A N/A 18.0 ppb (17) N/A 3.0 ppb (4) 63.0 ppb (48) 0.6 ppb (7) 66.0 μg/m3 (56) 32.0 μg/m3 (93) 93.0
 
Feb. 26, 2020, 9 p.m. N/A N/A N/A 25.0 ppb (23) N/A 5.0 ppb (7) 93.0 ppb (73) 0.8 ppb (9) 62.0 μg/m3 (54) 31.0 μg/m3 (90) 90.0
 
Feb. 26, 2020, 8 p.m. N/A N/A N/A 21.0 ppb (19) N/A 4.0 ppb (6) 90.0 ppb (71) 0.7 ppb (8) 42.0 μg/m3 (38) 15.0 μg/m3 (56) 71.0
 
Feb. 26, 2020, 7 p.m. N/A N/A N/A 24.0 ppb (22) N/A 3.0 ppb (4) 68.0 ppb (52) 0.6 ppb (7) 51.0 μg/m3 (46) 20.0 μg/m3 (67) 67.0
 
Feb. 26, 2020, 6 p.m. N/A N/A N/A 22.0 ppb (20) N/A 3.0 ppb (4) 52.0 ppb (40) 0.6 ppb (7) 45.0 μg/m3 (41) 19.0 μg/m3 (65) 65.0
 
Feb. 26, 2020, 5 p.m. N/A N/A N/A 24.0 ppb (22) N/A 3.0 ppb (4) 39.0 ppb (30) 0.7 ppb (8) 66.0 μg/m3 (56) 29.0 μg/m3 (86) 86.0
 
Feb. 26, 2020, 4 p.m. N/A N/A N/A 30.0 ppb (28) N/A 5.0 ppb (7) 22.0 ppb (17) 0.8 ppb (9) 72.0 μg/m3 (58) 31.0 μg/m3 (90) 90.0
 
Feb. 26, 2020, 3 p.m. N/A N/A N/A 41.0 ppb (38) N/A 21.0 ppb (30) 7.0 ppb (5) 1.3 ppb (14) 71.0 μg/m3 (58) 24.0 μg/m3 (76) 76.0
 
Feb. 26, 2020, 2 p.m. N/A N/A N/A 40.0 ppb (37) N/A 15.0 ppb (21) 5.0 ppb (4) 1.7 ppb (19) 49.0 μg/m3 (45) 19.0 μg/m3 (65) 65.0
 
Feb. 26, 2020, 1 p.m. N/A N/A N/A 38.0 ppb (35) N/A 13.0 ppb (19) 4.0 ppb (3) 1.0 ppb (11) 33.0 μg/m3 (30) 13.0 μg/m3 (52) 52.0
 
Feb. 26, 2020, noon N/A N/A N/A 35.0 ppb (32) N/A 6.0 ppb (9) 4.0 ppb (3) 0.8 ppb (9) 29.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
Feb. 26, 2020, 11 a.m. N/A N/A N/A 29.0 ppb (27) N/A 2.0 ppb (3) 4.0 ppb (3) 0.6 ppb (7) 43.0 μg/m3 (39) 20.0 μg/m3 (67) 67.0
 
Feb. 26, 2020, 10 a.m. N/A N/A N/A 32.0 ppb (30) N/A 3.0 ppb (4) 4.0 ppb (3) 0.7 ppb (8) 34.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Feb. 26, 2020, 9 a.m. N/A N/A N/A 34.0 ppb (31) N/A 3.0 ppb (4) 3.0 ppb (2) 0.8 ppb (9) 21.0 μg/m3 (19) N/A 31.0
 
Feb. 26, 2020, 8 a.m. N/A N/A N/A 38.0 ppb (35) N/A 3.0 ppb (4) 4.0 ppb (3) 0.8 ppb (9) N/A N/A 35.0
 
Feb. 26, 2020, 7 a.m. N/A N/A N/A 37.0 ppb (34) N/A 2.0 ppb (3) 5.0 ppb (4) 0.8 ppb (9) 31.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
Feb. 26, 2020, 6 a.m. N/A N/A N/A 39.0 ppb (36) N/A 3.0 ppb (4) 5.0 ppb (4) 1.0 ppb (11) 31.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
Feb. 26, 2020, 5 a.m. N/A N/A N/A 26.0 ppb (24) N/A 2.0 ppb (3) 16.0 ppb (12) 0.7 ppb (8) 17.0 μg/m3 (15) 3.0 μg/m3 (12) 24.0
 
Feb. 26, 2020, 4 a.m. N/A N/A N/A 24.0 ppb (22) N/A 2.0 ppb (3) 21.0 ppb (16) 0.6 ppb (7) 22.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Feb. 26, 2020, 3 a.m. N/A N/A N/A 28.0 ppb (26) N/A 2.0 ppb (3) 22.0 ppb (17) 0.7 ppb (8) 30.0 μg/m3 (27) 7.0 μg/m3 (29) 29.0
 
Feb. 26, 2020, 2 a.m. N/A N/A N/A 26.0 ppb (24) N/A 2.0 ppb (3) 27.0 ppb (21) 0.7 ppb (8) 35.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
Feb. 26, 2020, 1 a.m. N/A N/A N/A 23.0 ppb (21) N/A 2.0 ppb (3) 34.0 ppb (26) 0.7 ppb (8) 39.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
Feb. 26, 2020, midnight N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 42.0 ppb (32) 0.6 ppb (7) 43.0 μg/m3 (39) 11.0 μg/m3 (46) 46.0
 
Feb. 25, 2020, 11 p.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 43.0 ppb (33) 0.6 ppb (7) 59.0 μg/m3 (52) 14.0 μg/m3 (54) 54.0
 
Feb. 25, 2020, 10 p.m. N/A N/A N/A 15.0 ppb (14) N/A 2.0 ppb (3) 48.0 ppb (37) 0.6 ppb (7) 70.0 μg/m3 (58) 10.0 μg/m3 (42) 58.0
 
Feb. 25, 2020, 9 p.m. N/A N/A N/A 14.0 ppb (13) N/A 2.0 ppb (3) 50.0 ppb (38) 0.5 ppb (6) 74.0 μg/m3 (60) 8.0 μg/m3 (33) 60.0
 
Feb. 25, 2020, 8 p.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) 49.0 ppb (38) 0.5 ppb (6) 75.0 μg/m3 (60) 14.0 μg/m3 (54) 60.0
 
Feb. 25, 2020, 7 p.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) 44.0 ppb (34) 0.4 ppb (4) 64.0 μg/m3 (54) 7.0 μg/m3 (29) 54.0
 
Feb. 25, 2020, 6 p.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) 39.0 ppb (30) 0.4 ppb (4) 45.0 μg/m3 (41) 11.0 μg/m3 (46) 46.0
 
Feb. 25, 2020, 5 p.m. N/A N/A N/A 32.0 ppb (30) N/A 2.0 ppb (3) 36.0 ppb (28) 0.9 ppb (10) 57.0 μg/m3 (51) 21.0 μg/m3 (69) 69.0
 
Feb. 25, 2020, 4 p.m. N/A N/A N/A 50.0 ppb (46) N/A 3.0 ppb (4) 21.0 ppb (16) 1.3 ppb (14) 52.0 μg/m3 (47) 18.0 μg/m3 (63) 63.0
 
Feb. 25, 2020, 3 p.m. N/A N/A N/A 51.0 ppb (47) N/A 4.0 ppb (6) 9.0 ppb (7) 1.7 ppb (19) 55.0 μg/m3 (50) 22.0 μg/m3 (71) 71.0
 
Feb. 25, 2020, 2 p.m. N/A N/A N/A 45.0 ppb (42) N/A 5.0 ppb (7) 5.0 ppb (4) 2.3 ppb (26) 34.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Feb. 25, 2020, 1 p.m. N/A N/A N/A 37.0 ppb (34) N/A 3.0 ppb (4) 5.0 ppb (4) 1.3 ppb (14) 24.0 μg/m3 (22) 12.0 μg/m3 (50) 50.0
 
Feb. 25, 2020, noon N/A N/A N/A 35.0 ppb (32) N/A 3.0 ppb (4) 7.0 ppb (5) 0.9 ppb (10) 19.0 μg/m3 (17) 7.0 μg/m3 (29) 32.0
 
Feb. 25, 2020, 11 a.m. N/A N/A N/A 37.0 ppb (34) N/A 2.0 ppb (3) 8.0 ppb (6) 0.6 ppb (7) 21.0 μg/m3 (19) 3.0 μg/m3 (12) 34.0
 
Feb. 25, 2020, 10 a.m. N/A N/A N/A 27.0 ppb (25) N/A 3.0 ppb (4) 14.0 ppb (11) 0.6 ppb (7) 32.0 μg/m3 (29) 16.0 μg/m3 (59) 59.0
 
Feb. 25, 2020, 9 a.m. N/A N/A N/A 32.0 ppb (30) N/A 96.0 ppb (78) N/A 9.5 ppb (100) 33.0 μg/m3 (30) 11.0 μg/m3 (46) 100.0
 
Feb. 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 35.0 μg/m3 (32) 14.0 μg/m3 (54) 54.0
 
Feb. 25, 2020, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.0 ppb (0) 35.0 μg/m3 (32) 17.0 μg/m3 (61) 61.0
 
Feb. 25, 2020, 6 a.m. N/A N/A N/A 35.0 ppb (32) N/A 3.0 ppb (4) 13.0 ppb (10) 0.8 ppb (9) 29.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
Feb. 25, 2020, 5 a.m. N/A N/A N/A 33.0 ppb (31) N/A 3.0 ppb (4) 18.0 ppb (14) 0.8 ppb (9) 36.0 μg/m3 (33) 13.0 μg/m3 (52) 52.0
 
Feb. 25, 2020, 4 a.m. N/A N/A N/A 26.0 ppb (24) N/A 2.0 ppb (3) 27.0 ppb (21) 0.7 ppb (8) 41.0 μg/m3 (37) 15.0 μg/m3 (56) 56.0
 
Feb. 25, 2020, 3 a.m. N/A N/A N/A 28.0 ppb (26) N/A 2.0 ppb (3) 31.0 ppb (24) 0.7 ppb (8) 41.0 μg/m3 (37) 13.0 μg/m3 (52) 52.0
 
Feb. 25, 2020, 2 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 42.0 ppb (32) 0.6 ppb (7) 49.0 μg/m3 (45) 10.0 μg/m3 (42) 45.0
 
Feb. 25, 2020, 1 a.m. N/A N/A N/A 16.0 ppb (15) N/A 2.0 ppb (3) 55.0 ppb (42) 0.6 ppb (7) 60.0 μg/m3 (52) 15.0 μg/m3 (56) 56.0
 
Feb. 25, 2020, midnight N/A N/A N/A 17.0 ppb (16) N/A 2.0 ppb (3) 59.0 ppb (45) 0.6 ppb (7) 65.0 μg/m3 (55) 14.0 μg/m3 (54) 55.0
 
Feb. 24, 2020, 11 p.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 71.0 ppb (55) 0.6 ppb (7) 41.0 μg/m3 (37) 16.0 μg/m3 (59) 59.0
 
Feb. 24, 2020, 10 p.m. N/A N/A N/A 22.0 ppb (20) N/A 2.0 ppb (3) 78.0 ppb (61) 0.7 ppb (8) 46.0 μg/m3 (42) 15.0 μg/m3 (56) 61.0
 
Feb. 24, 2020, 9 p.m. N/A N/A N/A 15.0 ppb (14) N/A 2.0 ppb (3) 81.0 ppb (63) 0.5 ppb (6) 38.0 μg/m3 (35) 10.0 μg/m3 (42) 63.0
 
Feb. 24, 2020, 8 p.m. N/A N/A N/A 24.0 ppb (22) N/A 2.0 ppb (3) 69.0 ppb (53) 0.7 ppb (8) 29.0 μg/m3 (26) 6.0 μg/m3 (25) 53.0
 
Feb. 24, 2020, 7 p.m. N/A N/A N/A 23.0 ppb (21) N/A 2.0 ppb (3) 53.0 ppb (41) 0.6 ppb (7) 63.0 μg/m3 (54) 21.0 μg/m3 (69) 69.0
 
Feb. 24, 2020, 6 p.m. N/A N/A N/A 12.0 ppb (11) N/A 3.0 ppb (4) 61.0 ppb (47) 0.5 ppb (6) 64.0 μg/m3 (54) 17.0 μg/m3 (61) 61.0
 
Feb. 24, 2020, 5 p.m. N/A N/A N/A 18.0 ppb (17) N/A 4.0 ppb (6) 54.0 ppb (42) 0.6 ppb (7) 80.0 μg/m3 (62) 23.0 μg/m3 (73) 73.0
 
Feb. 24, 2020, 4 p.m. N/A N/A N/A 37.0 ppb (34) N/A 4.0 ppb (6) 32.0 ppb (25) 1.1 ppb (12) 81.0 μg/m3 (63) 24.0 μg/m3 (76) 76.0
 
Feb. 24, 2020, 3 p.m. N/A N/A N/A 49.0 ppb (45) N/A 4.0 ppb (6) 12.0 ppb (9) 1.6 ppb (18) 91.0 μg/m3 (68) 35.0 μg/m3 (99) 99.0
 
Feb. 24, 2020, 2 p.m. N/A N/A N/A 53.0 ppb (49) N/A 5.0 ppb (7) 6.0 ppb (5) 2.5 ppb (28) 75.0 μg/m3 (60) 29.0 μg/m3 (86) 86.0
 
Feb. 24, 2020, 1 p.m. N/A N/A N/A 49.0 ppb (45) N/A 5.0 ppb (7) 4.0 ppb (3) 1.6 ppb (18) 72.0 μg/m3 (58) 30.0 μg/m3 (88) 88.0
 
Feb. 24, 2020, noon N/A N/A N/A 48.0 ppb (44) N/A 4.0 ppb (6) 5.0 ppb (4) 1.2 ppb (13) 52.0 μg/m3 (47) 19.0 μg/m3 (65) 65.0
 
Feb. 24, 2020, 11 a.m. N/A N/A N/A 38.0 ppb (35) N/A 3.0 ppb (4) 11.0 ppb (8) 0.9 ppb (10) 59.0 μg/m3 (52) 20.0 μg/m3 (67) 67.0
 
Feb. 24, 2020, 10 a.m. N/A N/A N/A 48.0 ppb (44) N/A 3.0 ppb (4) 5.0 ppb (4) 0.9 ppb (10) 62.0 μg/m3 (54) 27.0 μg/m3 (82) 82.0
 
Feb. 24, 2020, 9 a.m. N/A N/A N/A 48.0 ppb (44) N/A 4.0 ppb (6) 6.0 ppb (5) 1.0 ppb (11) 54.0 μg/m3 (49) 23.0 μg/m3 (73) 73.0
 
Feb. 24, 2020, 8 a.m. N/A N/A N/A 38.0 ppb (35) N/A 3.0 ppb (4) 13.0 ppb (10) 0.8 ppb (9) 63.0 μg/m3 (54) 21.0 μg/m3 (69) 69.0
 
Feb. 24, 2020, 7 a.m. N/A N/A N/A 61.0 ppb (57) N/A 4.0 ppb (6) 5.0 ppb (4) 1.4 ppb (16) 58.0 μg/m3 (52) 23.0 μg/m3 (73) 73.0
 
Feb. 24, 2020, 6 a.m. N/A N/A N/A 59.0 ppb (55) N/A 3.0 ppb (4) 10.0 ppb (8) 1.2 ppb (13) 43.0 μg/m3 (39) 15.0 μg/m3 (56) 56.0
 
Feb. 24, 2020, 5 a.m. N/A N/A N/A 54.0 ppb (50) N/A 3.0 ppb (4) 14.0 ppb (11) 1.2 ppb (13) 48.0 μg/m3 (44) 19.0 μg/m3 (65) 65.0
 
Feb. 24, 2020, 4 a.m. N/A N/A N/A 40.0 ppb (37) N/A 3.0 ppb (4) 26.0 ppb (20) 0.9 ppb (10) 51.0 μg/m3 (46) 19.0 μg/m3 (65) 65.0
 
Feb. 24, 2020, 3 a.m. N/A N/A N/A 34.0 ppb (31) N/A 2.0 ppb (3) 41.0 ppb (32) 0.8 ppb (9) 46.0 μg/m3 (42) 15.0 μg/m3 (56) 56.0
 
Feb. 24, 2020, 2 a.m. N/A N/A N/A 32.0 ppb (30) N/A 2.0 ppb (3) 39.0 ppb (30) 0.8 ppb (9) 68.0 μg/m3 (56) 18.0 μg/m3 (63) 63.0
 
Feb. 24, 2020, 1 a.m. N/A N/A N/A 23.0 ppb (21) N/A 3.0 ppb (4) 48.0 ppb (37) 0.6 ppb (7) 56.0 μg/m3 (50) 19.0 μg/m3 (65) 65.0
 
Feb. 24, 2020, midnight N/A N/A N/A 25.0 ppb (23) N/A 3.0 ppb (4) 90.0 ppb (71) 0.7 ppb (8) 60.0 μg/m3 (52) 27.0 μg/m3 (82) 82.0
 
Feb. 23, 2020, 11 p.m. N/A N/A N/A 23.0 ppb (21) N/A 3.0 ppb (4) 108.0 ppb (86) 0.7 ppb (8) 66.0 μg/m3 (56) 33.0 μg/m3 (95) 95.0
 
Feb. 23, 2020, 10 p.m. N/A N/A N/A 23.0 ppb (21) N/A 4.0 ppb (6) 120.0 ppb (96) 0.7 ppb (8) 52.0 μg/m3 (47) 23.0 μg/m3 (73) 96.0
 
Feb. 23, 2020, 9 p.m. N/A N/A N/A 22.0 ppb (20) N/A 4.0 ppb (6) 114.0 ppb (91) 0.7 ppb (8) 58.0 μg/m3 (52) 27.0 μg/m3 (82) 91.0
 
Feb. 23, 2020, 8 p.m. N/A N/A N/A 18.0 ppb (17) N/A 4.0 ppb (6) 102.0 ppb (81) 0.6 ppb (7) 42.0 μg/m3 (38) 16.0 μg/m3 (59) 81.0
 
Feb. 23, 2020, 7 p.m. N/A N/A N/A 16.0 ppb (15) N/A 4.0 ppb (6) 88.0 ppb (69) 0.6 ppb (7) 72.0 μg/m3 (58) 36.0 μg/m3 (101) 101.0
 
Feb. 23, 2020, 6 p.m. N/A N/A N/A 42.0 ppb (39) N/A 5.0 ppb (7) 66.0 ppb (51) 0.9 ppb (10) 94.0 μg/m3 (70) 48.0 μg/m3 (131) 131.0
 
Feb. 23, 2020, 5 p.m. N/A N/A N/A 54.0 ppb (50) N/A 4.0 ppb (6) 46.0 ppb (35) 1.2 ppb (13) 86.0 μg/m3 (66) 39.0 μg/m3 (109) 109.0
 
Feb. 23, 2020, 4 p.m. N/A N/A N/A 55.0 ppb (51) N/A 5.0 ppb (7) 25.0 ppb (19) 1.3 ppb (14) 96.0 μg/m3 (70) 40.0 μg/m3 (111) 111.0
 
Feb. 23, 2020, 3 p.m. N/A N/A N/A 52.0 ppb (48) N/A 7.0 ppb (10) 10.0 ppb (8) 1.3 ppb (14) 90.0 μg/m3 (68) 33.0 μg/m3 (95) 95.0
 
Feb. 23, 2020, 2 p.m. N/A N/A N/A 54.0 ppb (50) N/A 7.0 ppb (10) 4.0 ppb (3) 2.0 ppb (22) 66.0 μg/m3 (56) 25.0 μg/m3 (78) 78.0
 
Feb. 23, 2020, 1 p.m. N/A N/A N/A 55.0 ppb (51) N/A 5.0 ppb (7) 4.0 ppb (3) 1.4 ppb (16) 59.0 μg/m3 (52) 26.0 μg/m3 (80) 80.0
 
Feb. 23, 2020, noon N/A N/A N/A 46.0 ppb (43) N/A 4.0 ppb (6) 4.0 ppb (3) 0.8 ppb (9) 53.0 μg/m3 (48) 22.0 μg/m3 (71) 71.0
 
Feb. 23, 2020, 11 a.m. N/A N/A N/A 44.0 ppb (41) N/A 6.0 ppb (9) 6.0 ppb (5) 0.8 ppb (9) 62.0 μg/m3 (54) 30.0 μg/m3 (88) 88.0
 
Feb. 23, 2020, 10 a.m. N/A N/A N/A 33.0 ppb (31) N/A 6.0 ppb (9) 18.0 ppb (14) 0.7 ppb (8) 58.0 μg/m3 (52) 24.0 μg/m3 (76) 76.0
 
Feb. 23, 2020, 9 a.m. N/A N/A N/A 35.0 ppb (32) N/A 6.0 ppb (9) 18.0 ppb (14) 0.8 ppb (9) 58.0 μg/m3 (52) 24.0 μg/m3 (76) 76.0
 
Feb. 23, 2020, 8 a.m. N/A N/A N/A 37.0 ppb (34) N/A 5.0 ppb (7) 19.0 ppb (15) 0.7 ppb (8) 61.0 μg/m3 (53) 26.0 μg/m3 (80) 80.0
 
Feb. 23, 2020, 7 a.m. N/A N/A N/A 38.0 ppb (35) N/A 4.0 ppb (6) 18.0 ppb (14) 0.8 ppb (9) 56.0 μg/m3 (50) 21.0 μg/m3 (69) 69.0
 
Feb. 23, 2020, 6 a.m. N/A N/A N/A 30.0 ppb (28) N/A 4.0 ppb (6) 26.0 ppb (20) 0.7 ppb (8) 45.0 μg/m3 (41) 9.0 μg/m3 (38) 41.0
 
Feb. 23, 2020, 5 a.m. N/A N/A N/A 35.0 ppb (32) N/A 3.0 ppb (4) 25.0 ppb (19) 0.8 ppb (9) 58.0 μg/m3 (52) N/A 52.0
 
Feb. 23, 2020, 4 a.m. N/A N/A N/A 26.0 ppb (24) N/A 3.0 ppb (4) 35.0 ppb (27) 0.6 ppb (7) 112.0 μg/m3 (78) 66.0 μg/m3 (156) 156.0
 
Feb. 23, 2020, 3 a.m. N/A N/A N/A 31.0 ppb (29) N/A 4.0 ppb (6) 43.0 ppb (33) 0.7 ppb (8) N/A N/A 33.0
 
Feb. 23, 2020, 2 a.m. N/A N/A N/A 34.0 ppb (31) N/A 4.0 ppb (6) 54.0 ppb (42) 0.8 ppb (9) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 42.0
 
Feb. 23, 2020, 1 a.m. N/A N/A N/A 22.0 ppb (20) N/A 3.0 ppb (4) 83.0 ppb (65) 0.6 ppb (7) 14.0 μg/m3 (13) 14.0 μg/m3 (54) 65.0
 
Feb. 23, 2020, midnight N/A N/A N/A 20.0 ppb (19) N/A 3.0 ppb (4) 101.0 ppb (80) 0.6 ppb (7) 0.0 μg/m3 (0) N/A 80.0
 
Feb. 22, 2020, 11 p.m. N/A N/A N/A 18.0 ppb (17) N/A 4.0 ppb (6) 121.0 ppb (97) 0.6 ppb (7) 2.0 μg/m3 (2) 2.0 μg/m3 (8) 97.0
 
Feb. 22, 2020, 10 p.m. N/A N/A N/A 19.0 ppb (18) N/A 4.0 ppb (6) 115.0 ppb (92) 0.6 ppb (7) 1.0 μg/m3 (1) 1.0 μg/m3 (4) 92.0
 
Feb. 22, 2020, 9 p.m. N/A N/A N/A 26.0 ppb (24) N/A 5.0 ppb (7) 99.0 ppb (78) 0.7 ppb (8) N/A N/A 78.0
 
Feb. 22, 2020, 8 p.m. N/A N/A N/A 26.0 ppb (24) N/A 5.0 ppb (7) 82.0 ppb (64) 0.7 ppb (8) N/A N/A 64.0
 
Feb. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 64.0 ppb (49) 0.6 ppb (7) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 49.0
 
Feb. 22, 2020, 6 p.m. N/A N/A N/A 59.0 ppb (55) N/A 9.0 ppb (13) 32.0 ppb (25) 1.1 ppb (12) N/A N/A 55.0
 
Feb. 22, 2020, 5 p.m. N/A N/A N/A 56.0 ppb (52) N/A 12.0 ppb (17) 20.0 ppb (15) 1.1 ppb (12) 3.0 μg/m3 (3) 4.0 μg/m3 (17) 52.0
 
Feb. 22, 2020, 4 p.m. N/A N/A N/A 46.0 ppb (43) N/A 14.0 ppb (20) 11.0 ppb (8) 1.2 ppb (13) N/A N/A 43.0
 
Feb. 22, 2020, 3 p.m. N/A N/A N/A 43.0 ppb (40) N/A 18.0 ppb (26) 7.0 ppb (5) 1.2 ppb (13) 1.0 μg/m3 (1) 2.0 μg/m3 (8) 40.0
 
Feb. 22, 2020, 2 p.m. N/A N/A N/A 40.0 ppb (37) N/A 12.0 ppb (17) 4.0 ppb (3) 1.1 ppb (12) 1.0 μg/m3 (1) 1.0 μg/m3 (4) 37.0
 
Feb. 22, 2020, 1 p.m. N/A N/A N/A 35.0 ppb (32) N/A 11.0 ppb (16) 3.0 ppb (2) 0.8 ppb (9) N/A N/A 32.0
 
Feb. 22, 2020, noon N/A N/A N/A 30.0 ppb (28) N/A 15.0 ppb (21) 4.0 ppb (3) 0.7 ppb (8) N/A N/A 28.0
 
Feb. 22, 2020, 11 a.m. N/A N/A N/A 25.0 ppb (23) N/A 18.0 ppb (26) 5.0 ppb (4) 0.6 ppb (7) N/A N/A 26.0
 
Feb. 22, 2020, 10 a.m. N/A N/A N/A 26.0 ppb (24) N/A 25.0 ppb (36) 4.0 ppb (3) 0.7 ppb (8) N/A N/A 36.0
 
Feb. 22, 2020, 9 a.m. N/A N/A N/A 27.0 ppb (25) N/A 30.0 ppb (43) 4.0 ppb (3) 0.8 ppb (9) 3.0 μg/m3 (3) 3.0 μg/m3 (12) 43.0
 
Feb. 22, 2020, 8 a.m. N/A N/A N/A 30.0 ppb (28) N/A 41.0 ppb (53) 4.0 ppb (3) 0.7 ppb (8) N/A N/A 53.0
 
Feb. 22, 2020, 7 a.m. N/A N/A N/A 31.0 ppb (29) N/A 27.0 ppb (39) 4.0 ppb (3) 0.8 ppb (9) 15.0 μg/m3 (14) 14.0 μg/m3 (54) 54.0
 
Feb. 22, 2020, 6 a.m. N/A N/A N/A 30.0 ppb (28) N/A 13.0 ppb (19) 3.0 ppb (2) 0.7 ppb (8) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 28.0
 
Feb. 22, 2020, 5 a.m. N/A N/A N/A 28.0 ppb (26) N/A 7.0 ppb (10) 6.0 ppb (5) 0.7 ppb (8) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 26.0
 
Feb. 22, 2020, 4 a.m. N/A N/A N/A 24.0 ppb (22) N/A 4.0 ppb (6) 11.0 ppb (8) 0.6 ppb (7) N/A N/A 22.0
 
Feb. 22, 2020, 3 a.m. N/A N/A N/A 27.0 ppb (25) N/A 3.0 ppb (4) 10.0 ppb (8) 0.7 ppb (8) 3.0 μg/m3 (3) 5.0 μg/m3 (21) 25.0
 
Feb. 22, 2020, 2 a.m. N/A N/A N/A 31.0 ppb (29) N/A 3.0 ppb (4) 15.0 ppb (12) 0.9 ppb (10) N/A N/A 29.0
 
Feb. 22, 2020, 1 a.m. N/A N/A N/A 26.0 ppb (24) N/A 2.0 ppb (3) N/A 0.7 ppb (8) 18.0 μg/m3 (16) 4.0 μg/m3 (17) 24.0
 
Feb. 22, 2020, midnight N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (4) 90.0 ppb (71) 0.7 ppb (8) 67.0 μg/m3 (56) 27.0 μg/m3 (82) 82.0
 
Feb. 21, 2020, 11 p.m. N/A N/A N/A 31.0 ppb (29) N/A 3.0 ppb (4) 107.0 ppb (85) 0.9 ppb (10) 67.0 μg/m3 (56) 30.0 μg/m3 (88) 88.0
 
Feb. 21, 2020, 10 p.m. N/A N/A N/A 23.0 ppb (21) N/A 3.0 ppb (4) 108.0 ppb (86) 0.8 ppb (9) 51.0 μg/m3 (46) 24.0 μg/m3 (76) 86.0
 
Feb. 21, 2020, 9 p.m. N/A N/A N/A 23.0 ppb (21) N/A 2.0 ppb (3) 90.0 ppb (71) 0.7 ppb (8) 57.0 μg/m3 (51) 34.0 μg/m3 (97) 97.0
 
Feb. 21, 2020, 8 p.m. N/A N/A N/A 23.0 ppb (21) N/A 2.0 ppb (3) 67.0 ppb (52) 0.7 ppb (8) 21.0 μg/m3 (19) 2.0 μg/m3 (8) 52.0
 
Feb. 21, 2020, 7 p.m. N/A N/A N/A 23.0 ppb (21) N/A 3.0 ppb (4) 45.0 ppb (35) 0.8 ppb (9) 22.0 μg/m3 (20) 2.0 μg/m3 (8) 35.0
 
Feb. 21, 2020, 6 p.m. N/A N/A N/A 22.0 ppb (20) N/A 3.0 ppb (4) 31.0 ppb (24) 0.8 ppb (9) 46.0 μg/m3 (42) 18.0 μg/m3 (63) 63.0
 
Feb. 21, 2020, 5 p.m. N/A N/A N/A 26.0 ppb (24) N/A 3.0 ppb (4) 20.0 ppb (15) 1.0 ppb (11) 41.0 μg/m3 (37) 14.0 μg/m3 (54) 54.0
 
Feb. 21, 2020, 4 p.m. N/A N/A N/A 25.0 ppb (23) N/A 4.0 ppb (6) 10.0 ppb (8) 1.0 ppb (11) 35.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
Feb. 21, 2020, 3 p.m. N/A N/A N/A 23.0 ppb (21) N/A 5.0 ppb (7) 6.0 ppb (5) 1.2 ppb (13) 43.0 μg/m3 (39) 14.0 μg/m3 (54) 54.0
 
Feb. 21, 2020, 2 p.m. N/A N/A N/A 23.0 ppb (21) N/A 5.0 ppb (7) 3.0 ppb (2) 1.2 ppb (13) 25.0 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
Feb. 21, 2020, 1 p.m. N/A N/A N/A 22.0 ppb (20) N/A 4.0 ppb (6) 3.0 ppb (2) 1.0 ppb (11) 15.0 μg/m3 (14) 3.0 μg/m3 (12) 20.0
 
Feb. 21, 2020, noon N/A N/A N/A 21.0 ppb (19) N/A 4.0 ppb (6) 4.0 ppb (3) 0.7 ppb (8) 27.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
Feb. 21, 2020, 11 a.m. N/A N/A N/A 23.0 ppb (21) N/A 4.0 ppb (6) 9.0 ppb (7) 0.5 ppb (6) 35.0 μg/m3 (32) 18.0 μg/m3 (63) 63.0
 
Feb. 21, 2020, 10 a.m. N/A N/A N/A 25.0 ppb (23) N/A 4.0 ppb (6) 10.0 ppb (8) 0.5 ppb (6) 42.0 μg/m3 (38) 24.0 μg/m3 (76) 76.0
 
Feb. 21, 2020, 9 a.m. N/A N/A N/A 21.0 ppb (19) N/A 4.0 ppb (6) 15.0 ppb (12) 0.5 ppb (6) 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Feb. 21, 2020, 8 a.m. N/A N/A N/A 21.0 ppb (19) N/A 4.0 ppb (6) 17.0 ppb (13) 0.5 ppb (6) 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
Feb. 21, 2020, 7 a.m. N/A N/A N/A 16.0 ppb (15) N/A 5.0 ppb (7) 21.0 ppb (16) 0.5 ppb (6) 29.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
Feb. 21, 2020, 6 a.m. N/A N/A N/A 21.0 ppb (19) N/A 5.0 ppb (7) 17.0 ppb (13) 0.5 ppb (6) 43.0 μg/m3 (39) 14.0 μg/m3 (54) 54.0