AQSQID: 800090101

Site Name: Pedregal

Location: Mexico City (Canadá), MX

Reporting: True, Located: True

Current AQI: 99.0

Mexico City (Canadá) MX, MX: 19.3251, -99.2041

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 20, 2020, 4 p.m. N/A N/A N/A 44.0 ppb (41) N/A 8.0 ppb (11) 17.0 ppb (13) 1.0 ppb (11) 67.0 μg/m3 (56) 35.0 μg/m3 (99) 99.0
 
Feb. 20, 2020, 3 p.m. N/A N/A N/A 35.0 ppb (32) N/A 5.0 ppb (7) 8.0 ppb (6) 0.9 ppb (10) 51.0 μg/m3 (46) 15.0 μg/m3 (56) 56.0
 
Feb. 20, 2020, 2 p.m. N/A N/A N/A 35.0 ppb (32) N/A 4.0 ppb (6) 4.0 ppb (3) 0.9 ppb (10) 32.0 μg/m3 (29) 13.0 μg/m3 (52) 52.0
 
Feb. 20, 2020, 1 p.m. N/A N/A N/A 30.0 ppb (28) N/A 4.0 ppb (6) 4.0 ppb (3) 0.6 ppb (7) 25.0 μg/m3 (23) 14.0 μg/m3 (54) 54.0
 
Feb. 20, 2020, noon N/A N/A N/A 18.0 ppb (17) N/A 5.0 ppb (7) 14.0 ppb (11) 0.3 ppb (3) 34.0 μg/m3 (31) 21.0 μg/m3 (69) 69.0
 
Feb. 20, 2020, 11 a.m. N/A N/A N/A 17.0 ppb (16) N/A 6.0 ppb (9) 15.0 ppb (12) 0.3 ppb (3) 29.0 μg/m3 (26) 16.0 μg/m3 (59) 59.0
 
Feb. 20, 2020, 10 a.m. N/A N/A N/A 17.0 ppb (16) N/A 5.0 ppb (7) 14.0 ppb (11) 0.3 ppb (3) 29.0 μg/m3 (26) 19.0 μg/m3 (65) 65.0
 
Feb. 20, 2020, 9 a.m. N/A N/A N/A 13.0 ppb (12) N/A 5.0 ppb (7) 20.0 ppb (15) 0.3 ppb (3) 24.0 μg/m3 (22) 12.0 μg/m3 (50) 50.0
 
Feb. 20, 2020, 8 a.m. N/A N/A N/A 18.0 ppb (17) N/A 5.0 ppb (7) 19.0 ppb (15) 0.3 ppb (3) 26.0 μg/m3 (24) 13.0 μg/m3 (52) 52.0
 
Feb. 20, 2020, 7 a.m. N/A N/A N/A 14.0 ppb (13) N/A 5.0 ppb (7) 24.0 ppb (18) 0.3 ppb (3) 34.0 μg/m3 (31) 18.0 μg/m3 (63) 63.0
 
Feb. 20, 2020, 6 a.m. N/A N/A N/A 24.0 ppb (22) N/A 9.0 ppb (13) 17.0 ppb (13) 0.4 ppb (4) 38.0 μg/m3 (35) 21.0 μg/m3 (69) 69.0
 
Feb. 20, 2020, 5 a.m. N/A N/A N/A 38.0 ppb (35) N/A 18.0 ppb (26) 9.0 ppb (7) 0.6 ppb (7) 40.0 μg/m3 (36) 21.0 μg/m3 (69) 69.0
 
Feb. 20, 2020, 4 a.m. N/A N/A N/A 34.0 ppb (31) N/A 27.0 ppb (39) 15.0 ppb (12) 0.6 ppb (7) 58.0 μg/m3 (52) 31.0 μg/m3 (90) 90.0
 
Feb. 20, 2020, 3 a.m. N/A N/A N/A 30.0 ppb (28) N/A 37.0 ppb (51) 25.0 ppb (19) 0.5 ppb (6) 55.0 μg/m3 (50) 14.0 μg/m3 (54) 54.0
 
Feb. 20, 2020, 2 a.m. N/A N/A N/A 39.0 ppb (36) N/A 18.0 ppb (26) N/A 0.6 ppb (7) 66.0 μg/m3 (56) 22.0 μg/m3 (71) 71.0
 
Feb. 20, 2020, 1 a.m. N/A N/A N/A 43.0 ppb (40) N/A 8.0 ppb (11) N/A 0.6 ppb (7) 57.0 μg/m3 (51) 30.0 μg/m3 (88) 88.0
 
Feb. 20, 2020, midnight N/A N/A N/A 29.0 ppb (27) N/A 8.0 ppb (11) 112.0 ppb (89) 0.6 ppb (7) 72.0 μg/m3 (58) 42.0 μg/m3 (116) 116.0
 
Feb. 19, 2020, 11 p.m. N/A N/A N/A 33.0 ppb (31) N/A 10.0 ppb (14) 123.0 ppb (98) 0.7 ppb (8) 61.0 μg/m3 (53) 37.0 μg/m3 (104) 104.0
 
Feb. 19, 2020, 10 p.m. N/A N/A N/A 32.0 ppb (30) N/A 11.0 ppb (16) 100.0 ppb (79) 0.6 ppb (7) 50.0 μg/m3 (45) 28.0 μg/m3 (84) 84.0
 
Feb. 19, 2020, 9 p.m. N/A N/A N/A 32.0 ppb (30) N/A 13.0 ppb (19) 76.0 ppb (59) 0.6 ppb (7) 50.0 μg/m3 (45) 28.0 μg/m3 (84) 84.0
 
Feb. 19, 2020, 8 p.m. N/A N/A N/A 39.0 ppb (36) N/A 11.0 ppb (16) 68.0 ppb (52) 0.7 ppb (8) 59.0 μg/m3 (52) 32.0 μg/m3 (93) 93.0
 
Feb. 19, 2020, 7 p.m. N/A N/A N/A 50.0 ppb (46) N/A 9.0 ppb (13) 62.0 ppb (48) 0.9 ppb (10) 62.0 μg/m3 (54) 33.0 μg/m3 (95) 95.0
 
Feb. 19, 2020, 6 p.m. N/A N/A N/A 51.0 ppb (47) N/A 8.0 ppb (11) 46.0 ppb (35) 0.9 ppb (10) 60.0 μg/m3 (52) 30.0 μg/m3 (88) 88.0
 
Feb. 19, 2020, 5 p.m. N/A N/A N/A 54.0 ppb (50) N/A 9.0 ppb (13) 28.0 ppb (22) 1.0 ppb (11) 53.0 μg/m3 (48) 25.0 μg/m3 (78) 78.0
 
Feb. 19, 2020, 4 p.m. N/A N/A N/A 55.0 ppb (51) N/A 6.0 ppb (9) 14.0 ppb (11) 1.1 ppb (12) 60.0 μg/m3 (52) 26.0 μg/m3 (80) 80.0
 
Feb. 19, 2020, 3 p.m. N/A N/A N/A 50.0 ppb (46) N/A 4.0 ppb (6) 7.0 ppb (5) 1.3 ppb (14) 52.0 μg/m3 (47) 18.0 μg/m3 (63) 63.0
 
Feb. 19, 2020, 2 p.m. N/A N/A N/A 46.0 ppb (43) N/A 3.0 ppb (4) 3.0 ppb (2) 1.3 ppb (14) 34.0 μg/m3 (31) 14.0 μg/m3 (54) 54.0
 
Feb. 19, 2020, 1 p.m. N/A N/A N/A 40.0 ppb (37) N/A 3.0 ppb (4) 11.0 ppb (8) 0.8 ppb (9) 27.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
Feb. 19, 2020, noon N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) 37.0 ppb (28) 0.3 ppb (3) 22.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Feb. 19, 2020, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A 2.0 ppb (3) 38.0 ppb (29) 0.2 ppb (2) 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Feb. 19, 2020, 10 a.m. N/A N/A N/A 7.0 ppb (6) N/A 3.0 ppb (4) 36.0 ppb (28) 0.2 ppb (2) 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Feb. 19, 2020, 9 a.m. N/A N/A N/A 37.0 ppb (34) N/A 85.0 ppb (73) 13.0 ppb (10) 8.3 ppb (88) 18.0 μg/m3 (16) 8.0 μg/m3 (33) 88.0
 
Feb. 19, 2020, 8 a.m. N/A N/A N/A 178.0 ppb (115) N/A N/A 23.0 ppb (18) N/A 25.0 μg/m3 (23) 11.0 μg/m3 (46) 115.0
 
Feb. 19, 2020, 7 a.m. N/A N/A N/A 74.0 ppb (71) N/A 79.0 ppb (70) N/A 9.8 ppb (105) 36.0 μg/m3 (33) 14.0 μg/m3 (54) 105.0
 
Feb. 19, 2020, 6 a.m. N/A N/A N/A 21.0 ppb (19) N/A 3.0 ppb (4) 32.0 ppb (25) 0.4 ppb (4) 58.0 μg/m3 (52) 21.0 μg/m3 (69) 69.0
 
Feb. 19, 2020, 5 a.m. N/A N/A N/A 45.0 ppb (42) N/A 4.0 ppb (6) 9.0 ppb (7) 0.7 ppb (8) 49.0 μg/m3 (45) 13.0 μg/m3 (52) 52.0
 
Feb. 19, 2020, 4 a.m. N/A N/A N/A 58.0 ppb (54) N/A 5.0 ppb (7) 6.0 ppb (5) 1.0 ppb (11) 67.0 μg/m3 (56) 28.0 μg/m3 (84) 84.0
 
Feb. 19, 2020, 3 a.m. N/A N/A N/A 62.0 ppb (59) N/A 6.0 ppb (9) 13.0 ppb (10) 1.0 ppb (11) 60.0 μg/m3 (52) 30.0 μg/m3 (88) 88.0
 
Feb. 19, 2020, 2 a.m. N/A N/A N/A 38.0 ppb (35) N/A 7.0 ppb (10) 47.0 ppb (36) 0.7 ppb (8) 54.0 μg/m3 (49) 25.0 μg/m3 (78) 78.0
 
Feb. 19, 2020, 1 a.m. N/A N/A N/A 34.0 ppb (31) N/A 10.0 ppb (14) 65.0 ppb (50) 0.6 ppb (7) 43.0 μg/m3 (39) 20.0 μg/m3 (67) 67.0
 
Feb. 19, 2020, midnight N/A N/A N/A 16.0 ppb (15) N/A 11.0 ppb (16) 93.0 ppb (73) 0.3 ppb (3) 38.0 μg/m3 (35) 18.0 μg/m3 (63) 73.0
 
Feb. 18, 2020, 11 p.m. N/A N/A N/A 15.0 ppb (14) N/A 11.0 ppb (16) 98.0 ppb (78) 0.4 ppb (4) 44.0 μg/m3 (40) 22.0 μg/m3 (71) 78.0
 
Feb. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 22.0 μg/m3 (71) 71.0
 
Feb. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Feb. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Feb. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Feb. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (50) 28.0 μg/m3 (84) 84.0
 
Feb. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 23.0 ppb (18) 1.0 ppb (11) 47.0 μg/m3 (43) 25.0 μg/m3 (78) 78.0
 
Feb. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 9.0 ppb (7) 1.3 ppb (14) 50.0 μg/m3 (45) 19.0 μg/m3 (65) 65.0
 
Feb. 18, 2020, 3 p.m. N/A N/A N/A 46.0 ppb (43) N/A 5.0 ppb (7) 4.0 ppb (3) 1.6 ppb (18) 47.0 μg/m3 (43) 15.0 μg/m3 (56) 56.0
 
Feb. 18, 2020, 2 p.m. N/A N/A N/A 37.0 ppb (34) N/A 5.0 ppb (7) 3.0 ppb (2) 1.9 ppb (21) 26.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
Feb. 18, 2020, 1 p.m. N/A N/A N/A 31.0 ppb (29) N/A 3.0 ppb (4) 2.0 ppb (2) 0.9 ppb (10) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 29.0
 
Feb. 18, 2020, noon N/A N/A N/A 21.0 ppb (19) N/A 3.0 ppb (4) 9.0 ppb (7) 0.5 ppb (6) N/A N/A 19.0
 
Feb. 18, 2020, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A 3.0 ppb (4) 27.0 ppb (21) 0.2 ppb (2) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Feb. 18, 2020, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 3.0 ppb (4) 32.0 ppb (25) 0.2 ppb (2) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Feb. 18, 2020, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 3.0 ppb (4) 33.0 ppb (25) 0.2 ppb (2) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 25.0
 
Feb. 18, 2020, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A 3.0 ppb (4) 32.0 ppb (25) 0.2 ppb (2) 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Feb. 18, 2020, 7 a.m. N/A N/A N/A 10.0 ppb (9) N/A 3.0 ppb (4) 30.0 ppb (23) 0.3 ppb (3) 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Feb. 18, 2020, 6 a.m. N/A N/A N/A 18.0 ppb (17) N/A 3.0 ppb (4) 25.0 ppb (19) 0.4 ppb (4) 23.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
Feb. 18, 2020, 5 a.m. N/A N/A N/A 18.0 ppb (17) N/A 4.0 ppb (6) 29.0 ppb (22) 0.4 ppb (4) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 22.0
 
Feb. 18, 2020, 4 a.m. N/A N/A N/A 22.0 ppb (20) N/A 3.0 ppb (4) 29.0 ppb (22) 0.4 ppb (4) 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Feb. 18, 2020, 3 a.m. N/A N/A N/A 36.0 ppb (33) N/A 3.0 ppb (4) 23.0 ppb (18) 0.6 ppb (7) 43.0 μg/m3 (39) 24.0 μg/m3 (76) 76.0
 
Feb. 18, 2020, 2 a.m. N/A N/A N/A 20.0 ppb (19) N/A 3.0 ppb (4) 44.0 ppb (34) 0.5 ppb (6) 58.0 μg/m3 (52) 34.0 μg/m3 (97) 97.0
 
Feb. 18, 2020, 1 a.m. N/A N/A N/A 17.0 ppb (16) N/A 3.0 ppb (4) 61.0 ppb (47) 0.5 ppb (6) 57.0 μg/m3 (51) 24.0 μg/m3 (76) 76.0
 
Feb. 18, 2020, midnight N/A N/A N/A 8.0 ppb (7) N/A 6.0 ppb (9) 65.0 ppb (50) 0.3 ppb (3) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 50.0
 
Feb. 17, 2020, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A 6.0 ppb (9) 65.0 ppb (50) 0.3 ppb (3) 14.0 μg/m3 (13) 8.0 μg/m3 (33) 50.0
 
Feb. 17, 2020, 10 p.m. N/A N/A N/A 12.0 ppb (11) N/A 5.0 ppb (7) 72.0 ppb (56) 0.3 ppb (3) 14.0 μg/m3 (13) 13.0 μg/m3 (52) 56.0
 
Feb. 17, 2020, 9 p.m. N/A N/A N/A 16.0 ppb (15) N/A 3.0 ppb (4) 71.0 ppb (55) 0.4 ppb (4) 30.0 μg/m3 (27) 10.0 μg/m3 (42) 55.0
 
Feb. 17, 2020, 8 p.m. N/A N/A N/A 17.0 ppb (16) N/A 3.0 ppb (4) 52.0 ppb (40) 0.4 ppb (4) 30.0 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
Feb. 17, 2020, 7 p.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (4) 39.0 ppb (30) 0.4 ppb (4) 40.0 μg/m3 (36) 17.0 μg/m3 (61) 61.0
 
Feb. 17, 2020, 6 p.m. N/A N/A N/A 34.0 ppb (31) N/A 3.0 ppb (4) 33.0 ppb (25) 0.7 ppb (8) 52.0 μg/m3 (47) 28.0 μg/m3 (84) 84.0
 
Feb. 17, 2020, 5 p.m. N/A N/A N/A 58.0 ppb (54) N/A 5.0 ppb (7) 17.0 ppb (13) 1.3 ppb (14) 42.0 μg/m3 (38) 18.0 μg/m3 (63) 63.0
 
Feb. 17, 2020, 4 p.m. N/A N/A N/A 42.0 ppb (39) N/A 5.0 ppb (7) 8.0 ppb (6) 1.2 ppb (13) 48.0 μg/m3 (44) 18.0 μg/m3 (63) 63.0
 
Feb. 17, 2020, 3 p.m. N/A N/A N/A 36.0 ppb (33) N/A 5.0 ppb (7) 4.0 ppb (3) 1.5 ppb (17) 36.0 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
Feb. 17, 2020, 2 p.m. N/A N/A N/A 30.0 ppb (28) N/A 4.0 ppb (6) 3.0 ppb (2) 1.3 ppb (14) 17.0 μg/m3 (15) 5.0 μg/m3 (21) 28.0
 
Feb. 17, 2020, 1 p.m. N/A N/A N/A 23.0 ppb (21) N/A 3.0 ppb (4) 4.0 ppb (3) 0.6 ppb (7) 3.0 μg/m3 (3) 1.0 μg/m3 (4) 21.0
 
Feb. 17, 2020, noon N/A N/A N/A 9.0 ppb (8) N/A 3.0 ppb (4) 16.0 ppb (12) 0.2 ppb (2) 2.0 μg/m3 (2) 1.0 μg/m3 (4) 12.0
 
Feb. 17, 2020, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A 4.0 ppb (6) 19.0 ppb (15) 0.2 ppb (2) 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
Feb. 17, 2020, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 3.0 ppb (4) 22.0 ppb (17) 0.2 ppb (2) 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
Feb. 17, 2020, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 3.0 ppb (4) 22.0 ppb (17) 0.2 ppb (2) 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Feb. 17, 2020, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A 3.0 ppb (4) 19.0 ppb (15) 0.2 ppb (2) 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Feb. 17, 2020, 7 a.m. N/A N/A N/A 10.0 ppb (9) N/A 4.0 ppb (6) 16.0 ppb (12) 0.2 ppb (2) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Feb. 17, 2020, 6 a.m. N/A N/A N/A 16.0 ppb (15) N/A 5.0 ppb (7) 11.0 ppb (8) 0.3 ppb (3) 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
Feb. 17, 2020, 5 a.m. N/A N/A N/A 19.0 ppb (18) N/A 5.0 ppb (7) 10.0 ppb (8) 0.4 ppb (4) 26.0 μg/m3 (24) 10.0 μg/m3 (42) 42.0
 
Feb. 17, 2020, 4 a.m. N/A N/A N/A 18.0 ppb (17) N/A 3.0 ppb (4) 10.0 ppb (8) 0.3 ppb (3) 31.0 μg/m3 (28) 7.0 μg/m3 (29) 29.0
 
Feb. 17, 2020, 3 a.m. N/A N/A N/A 22.0 ppb (20) N/A 5.0 ppb (7) 9.0 ppb (7) 0.4 ppb (4) 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
Feb. 17, 2020, 2 a.m. N/A N/A N/A 17.0 ppb (16) N/A 15.0 ppb (21) 23.0 ppb (18) 0.4 ppb (4) 29.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
Feb. 17, 2020, 1 a.m. N/A N/A N/A 16.0 ppb (15) N/A 3.0 ppb (4) 29.0 ppb (22) 0.3 ppb (3) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 22.0
 
Feb. 17, 2020, midnight N/A N/A N/A 8.0 ppb (7) N/A 4.0 ppb (6) 46.0 ppb (35) 0.2 ppb (2) 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Feb. 16, 2020, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) N/A 0.2 ppb (2) 26.0 μg/m3 (24) 14.0 μg/m3 (54) 54.0
 
Feb. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 13.0 μg/m3 (52) 52.0
 
Feb. 16, 2020, 9 p.m. N/A N/A N/A 9.0 ppb (8) N/A 4.0 ppb (6) 66.0 ppb (51) 0.3 ppb (3) 48.0 μg/m3 (44) 21.0 μg/m3 (69) 69.0
 
Feb. 16, 2020, 8 p.m. N/A N/A N/A 15.0 ppb (14) N/A 5.0 ppb (7) 68.0 ppb (52) 0.4 ppb (4) 25.0 μg/m3 (23) 17.0 μg/m3 (61) 61.0
 
Feb. 16, 2020, 7 p.m. N/A N/A N/A 20.0 ppb (19) N/A 4.0 ppb (6) 60.0 ppb (46) 0.4 ppb (4) 32.0 μg/m3 (29) 24.0 μg/m3 (76) 76.0
 
Feb. 16, 2020, 6 p.m. N/A N/A N/A 31.0 ppb (29) N/A 4.0 ppb (6) 52.0 ppb (40) 0.7 ppb (8) 34.0 μg/m3 (31) 20.0 μg/m3 (67) 67.0
 
Feb. 16, 2020, 5 p.m. N/A N/A N/A 31.0 ppb (29) N/A 5.0 ppb (7) 39.0 ppb (30) 0.7 ppb (8) 23.0 μg/m3 (21) 13.0 μg/m3 (52) 52.0
 
Feb. 16, 2020, 4 p.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (4) 26.0 ppb (20) 0.5 ppb (6) 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
Feb. 16, 2020, 3 p.m. N/A N/A N/A 17.0 ppb (16) N/A 3.0 ppb (4) 16.0 ppb (12) 0.5 ppb (6) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Feb. 16, 2020, 2 p.m. N/A N/A N/A 15.0 ppb (14) N/A 2.0 ppb (3) 11.0 ppb (8) 0.3 ppb (3) 14.0 μg/m3 (13) 8.0 μg/m3 (33) 33.0
 
Feb. 16, 2020, 1 p.m. N/A N/A N/A 13.0 ppb (12) N/A 2.0 ppb (3) 14.0 ppb (11) 0.3 ppb (3) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Feb. 16, 2020, noon N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 17.0 ppb (13) 0.3 ppb (3) 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Feb. 16, 2020, 11 a.m. N/A N/A N/A 8.0 ppb (7) N/A 2.0 ppb (3) 24.0 ppb (18) 0.2 ppb (2) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Feb. 16, 2020, 10 a.m. N/A N/A N/A 8.0 ppb (7) N/A 2.0 ppb (3) 24.0 ppb (18) 0.2 ppb (2) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Feb. 16, 2020, 9 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) 22.0 ppb (17) 0.3 ppb (3) 25.0 μg/m3 (23) 14.0 μg/m3 (54) 54.0
 
Feb. 16, 2020, 8 a.m. N/A N/A N/A 16.0 ppb (15) N/A 2.0 ppb (3) 20.0 ppb (15) 0.4 ppb (4) 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Feb. 16, 2020, 7 a.m. N/A N/A N/A 23.0 ppb (21) N/A 3.0 ppb (4) 15.0 ppb (12) 0.5 ppb (6) 31.0 μg/m3 (28) 15.0 μg/m3 (56) 56.0
 
Feb. 16, 2020, 6 a.m. N/A N/A N/A 32.0 ppb (30) N/A 3.0 ppb (4) 12.0 ppb (9) 0.6 ppb (7) 28.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
Feb. 16, 2020, 5 a.m. N/A N/A N/A 26.0 ppb (24) N/A 2.0 ppb (3) 17.0 ppb (13) 0.5 ppb (6) 31.0 μg/m3 (28) 14.0 μg/m3 (54) 54.0
 
Feb. 16, 2020, 4 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 26.0 ppb (20) 0.4 ppb (4) 32.0 μg/m3 (29) 16.0 μg/m3 (59) 59.0
 
Feb. 16, 2020, 3 a.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (4) 40.0 ppb (31) 0.4 ppb (4) 39.0 μg/m3 (35) 22.0 μg/m3 (71) 71.0
 
Feb. 16, 2020, 2 a.m. N/A N/A N/A 17.0 ppb (16) N/A 6.0 ppb (9) 58.0 ppb (45) 0.4 ppb (4) 61.0 μg/m3 (53) 33.0 μg/m3 (95) 95.0
 
Feb. 16, 2020, 1 a.m. N/A N/A N/A 22.0 ppb (20) N/A 15.0 ppb (21) 79.0 ppb (62) 0.5 ppb (6) 56.0 μg/m3 (50) 37.0 μg/m3 (104) 104.0
 
Feb. 16, 2020, midnight N/A N/A N/A 17.0 ppb (16) N/A 4.0 ppb (6) 105.0 ppb (83) 0.5 ppb (6) 48.0 μg/m3 (44) 37.0 μg/m3 (104) 104.0
 
Feb. 15, 2020, 11 p.m. N/A N/A N/A 16.0 ppb (15) N/A 4.0 ppb (6) 109.0 ppb (87) 0.5 ppb (6) 56.0 μg/m3 (50) 40.0 μg/m3 (111) 111.0
 
Feb. 15, 2020, 10 p.m. N/A N/A N/A 16.0 ppb (15) N/A 4.0 ppb (6) 115.0 ppb (92) 0.5 ppb (6) 67.0 μg/m3 (56) 46.0 μg/m3 (126) 126.0
 
Feb. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Feb. 15, 2020, 8 p.m. N/A N/A N/A 30.0 ppb (28) N/A 5.0 ppb (7) 92.0 ppb (72) 0.7 ppb (8) 70.0 μg/m3 (58) 58.0 μg/m3 (151) 151.0
 
Feb. 15, 2020, 7 p.m. N/A N/A N/A 35.0 ppb (32) N/A 4.0 ppb (6) 77.0 ppb (60) 0.8 ppb (9) 66.0 μg/m3 (56) 51.0 μg/m3 (139) 139.0
 
Feb. 15, 2020, 6 p.m. N/A N/A N/A 34.0 ppb (31) N/A 4.0 ppb (6) 56.0 ppb (43) 0.8 ppb (9) 57.0 μg/m3 (51) 43.0 μg/m3 (119) 119.0
 
Feb. 15, 2020, 5 p.m. N/A N/A N/A 35.0 ppb (32) N/A 4.0 ppb (6) 33.0 ppb (25) 0.9 ppb (10) 59.0 μg/m3 (52) 43.0 μg/m3 (119) 119.0
 
Feb. 15, 2020, 4 p.m. N/A N/A N/A 31.0 ppb (29) N/A 4.0 ppb (6) 18.0 ppb (14) 0.8 ppb (9) 38.0 μg/m3 (35) 26.0 μg/m3 (80) 80.0
 
Feb. 15, 2020, 3 p.m. N/A N/A N/A 27.0 ppb (25) N/A 3.0 ppb (4) 7.0 ppb (5) 0.8 ppb (9) 25.0 μg/m3 (23) 15.0 μg/m3 (56) 56.0
 
Feb. 15, 2020, 2 p.m. N/A N/A N/A 23.0 ppb (21) N/A 2.0 ppb (3) 3.0 ppb (2) 0.7 ppb (8) 24.0 μg/m3 (22) 18.0 μg/m3 (63) 63.0
 
Feb. 15, 2020, 1 p.m. N/A N/A N/A 26.0 ppb (24) N/A 2.0 ppb (3) 2.0 ppb (2) 0.6 ppb (7) 26.0 μg/m3 (24) 20.0 μg/m3 (67) 67.0
 
Feb. 15, 2020, noon N/A N/A N/A 23.0 ppb (21) N/A 2.0 ppb (3) 2.0 ppb (2) 0.5 ppb (6) 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Feb. 15, 2020, 11 a.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 13.0 ppb (10) 0.3 ppb (3) 11.0 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
Feb. 15, 2020, 10 a.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) 15.0 ppb (12) 0.3 ppb (3) 21.0 μg/m3 (19) 18.0 μg/m3 (63) 63.0
 
Feb. 15, 2020, 9 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) 16.0 ppb (12) 0.3 ppb (3) 20.0 μg/m3 (18) 15.0 μg/m3 (56) 56.0
 
Feb. 15, 2020, 8 a.m. N/A N/A N/A 16.0 ppb (15) N/A 2.0 ppb (3) 13.0 ppb (10) 0.4 ppb (4) 32.0 μg/m3 (29) 22.0 μg/m3 (71) 71.0
 
Feb. 15, 2020, 7 a.m. N/A N/A N/A 32.0 ppb (30) N/A 3.0 ppb (4) 3.0 ppb (2) 0.8 ppb (9) 41.0 μg/m3 (37) 32.0 μg/m3 (93) 93.0
 
Feb. 15, 2020, 6 a.m. N/A N/A N/A 38.0 ppb (35) N/A 3.0 ppb (4) 1.0 ppb (1) 1.1 ppb (12) 37.0 μg/m3 (34) 30.0 μg/m3 (88) 88.0
 
Feb. 15, 2020, 5 a.m. N/A N/A N/A 33.0 ppb (31) N/A 3.0 ppb (4) 9.0 ppb (7) 0.8 ppb (9) 43.0 μg/m3 (39) 36.0 μg/m3 (101) 101.0
 
Feb. 15, 2020, 4 a.m. N/A N/A N/A 35.0 ppb (32) N/A 3.0 ppb (4) 17.0 ppb (13) 0.9 ppb (10) 33.0 μg/m3 (30) 25.0 μg/m3 (78) 78.0
 
Feb. 15, 2020, 3 a.m. N/A N/A N/A 31.0 ppb (29) N/A 3.0 ppb (4) 22.0 ppb (17) 0.7 ppb (8) 41.0 μg/m3 (37) 30.0 μg/m3 (88) 88.0
 
Feb. 15, 2020, 2 a.m. N/A N/A N/A 36.0 ppb (33) N/A 3.0 ppb (4) 27.0 ppb (21) 0.7 ppb (8) 34.0 μg/m3 (31) 26.0 μg/m3 (80) 80.0
 
Feb. 15, 2020, 1 a.m. N/A N/A N/A 30.0 ppb (28) N/A 4.0 ppb (6) 38.0 ppb (29) 0.6 ppb (7) 64.0 μg/m3 (54) 30.0 μg/m3 (88) 88.0
 
Feb. 15, 2020, midnight N/A N/A N/A 16.0 ppb (15) N/A 4.0 ppb (6) N/A 0.5 ppb (6) 57.0 μg/m3 (51) 29.0 μg/m3 (86) 86.0
 
Feb. 14, 2020, 11 p.m. N/A N/A N/A 14.0 ppb (13) N/A 4.0 ppb (6) 102.0 ppb (81) 0.4 ppb (4) 54.0 μg/m3 (49) 34.0 μg/m3 (97) 97.0
 
Feb. 14, 2020, 10 p.m. N/A N/A N/A 17.0 ppb (16) N/A 5.0 ppb (7) 105.0 ppb (83) 0.5 ppb (6) 41.0 μg/m3 (37) 27.0 μg/m3 (82) 83.0
 
Feb. 14, 2020, 9 p.m. N/A N/A N/A 17.0 ppb (16) N/A 7.0 ppb (10) 101.0 ppb (80) 0.5 ppb (6) 51.0 μg/m3 (46) 31.0 μg/m3 (90) 90.0
 
Feb. 14, 2020, 8 p.m. N/A N/A N/A 19.0 ppb (18) N/A 10.0 ppb (14) 85.0 ppb (67) 0.5 ppb (6) 55.0 μg/m3 (50) 37.0 μg/m3 (104) 104.0
 
Feb. 14, 2020, 7 p.m. N/A N/A N/A 28.0 ppb (26) N/A 16.0 ppb (23) 68.0 ppb (52) 0.7 ppb (8) 66.0 μg/m3 (56) 42.0 μg/m3 (116) 116.0
 
Feb. 14, 2020, 6 p.m. N/A N/A N/A 35.0 ppb (32) N/A 23.0 ppb (33) 49.0 ppb (38) 0.9 ppb (10) 70.0 μg/m3 (58) 44.0 μg/m3 (121) 121.0
 
Feb. 14, 2020, 5 p.m. N/A N/A N/A 41.0 ppb (38) N/A 29.0 ppb (41) 27.0 ppb (21) 1.1 ppb (12) 52.0 μg/m3 (47) 32.0 μg/m3 (93) 93.0
 
Feb. 14, 2020, 4 p.m. N/A N/A N/A 32.0 ppb (30) N/A 40.0 ppb (52) 15.0 ppb (12) 1.0 ppb (11) 48.0 μg/m3 (44) 26.0 μg/m3 (80) 80.0
 
Feb. 14, 2020, 3 p.m. N/A N/A N/A 30.0 ppb (28) N/A 30.0 ppb (43) 6.0 ppb (5) 1.1 ppb (12) 52.0 μg/m3 (47) 27.0 μg/m3 (82) 82.0
 
Feb. 14, 2020, 2 p.m. N/A N/A N/A 31.0 ppb (29) N/A 15.0 ppb (21) 3.0 ppb (2) 1.2 ppb (13) 36.0 μg/m3 (33) 18.0 μg/m3 (63) 63.0
 
Feb. 14, 2020, 1 p.m. N/A N/A N/A 26.0 ppb (24) N/A 5.0 ppb (7) 2.0 ppb (2) 0.6 ppb (7) 34.0 μg/m3 (31) 22.0 μg/m3 (71) 71.0
 
Feb. 14, 2020, noon N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (4) 9.0 ppb (7) 0.4 ppb (4) 31.0 μg/m3 (28) 19.0 μg/m3 (65) 65.0
 
Feb. 14, 2020, 11 a.m. N/A N/A N/A 15.0 ppb (14) N/A 3.0 ppb (4) 14.0 ppb (11) 0.4 ppb (4) 26.0 μg/m3 (24) 17.0 μg/m3 (61) 61.0
 
Feb. 14, 2020, 10 a.m. N/A N/A N/A 14.0 ppb (13) N/A 3.0 ppb (4) 18.0 ppb (14) 0.4 ppb (4) 23.0 μg/m3 (21) 13.0 μg/m3 (52) 52.0
 
Feb. 14, 2020, 9 a.m. N/A N/A N/A 12.0 ppb (11) N/A 3.0 ppb (4) 21.0 ppb (16) 0.3 ppb (3) 30.0 μg/m3 (27) 18.0 μg/m3 (63) 63.0
 
Feb. 14, 2020, 8 a.m. N/A N/A N/A 15.0 ppb (14) N/A 3.0 ppb (4) 20.0 ppb (15) 0.3 ppb (3) 27.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
Feb. 14, 2020, 7 a.m. N/A N/A N/A 18.0 ppb (17) N/A 4.0 ppb (6) 19.0 ppb (15) 0.4 ppb (4) 43.0 μg/m3 (39) 23.0 μg/m3 (73) 73.0
 
Feb. 14, 2020, 6 a.m. N/A N/A N/A 29.0 ppb (27) N/A 5.0 ppb (7) 13.0 ppb (10) 0.6 ppb (7) 46.0 μg/m3 (42) 20.0 μg/m3 (67) 67.0
 
Feb. 14, 2020, 5 a.m. N/A N/A N/A 34.0 ppb (31) N/A 7.0 ppb (10) 12.0 ppb (9) 0.7 ppb (8) 47.0 μg/m3 (43) 20.0 μg/m3 (67) 67.0
 
Feb. 14, 2020, 4 a.m. N/A N/A N/A 25.0 ppb (23) N/A 8.0 ppb (11) 22.0 ppb (17) 0.5 ppb (6) 52.0 μg/m3 (47) 22.0 μg/m3 (71) 71.0
 
Feb. 14, 2020, 3 a.m. N/A N/A N/A 22.0 ppb (20) N/A 12.0 ppb (17) 29.0 ppb (22) 0.5 ppb (6) 64.0 μg/m3 (54) 19.0 μg/m3 (65) 65.0
 
Feb. 14, 2020, 2 a.m. N/A N/A N/A 21.0 ppb (19) N/A 10.0 ppb (14) 32.0 ppb (25) 0.5 ppb (6) 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
Feb. 14, 2020, 1 a.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 52.0 ppb (40) 0.3 ppb (3) 43.0 μg/m3 (39) 21.0 μg/m3 (69) 69.0
 
Feb. 14, 2020, midnight N/A N/A N/A 10.0 ppb (9) N/A 3.0 ppb (4) 61.0 ppb (47) 0.3 ppb (3) 25.0 μg/m3 (23) 7.0 μg/m3 (29) 47.0
 
Feb. 13, 2020, 11 p.m. N/A N/A N/A 7.0 ppb (6) N/A 2.0 ppb (3) 68.0 ppb (52) 0.3 ppb (3) 53.0 μg/m3 (48) 27.0 μg/m3 (82) 82.0
 
Feb. 13, 2020, 10 p.m. N/A N/A N/A 10.0 ppb (9) N/A 3.0 ppb (4) 86.0 ppb (68) 0.4 ppb (4) 56.0 μg/m3 (50) 34.0 μg/m3 (97) 97.0
 
Feb. 13, 2020, 9 p.m. N/A N/A N/A 20.0 ppb (19) N/A 5.0 ppb (7) 107.0 ppb (85) 0.6 ppb (7) 57.0 μg/m3 (51) 34.0 μg/m3 (97) 97.0
 
Feb. 13, 2020, 8 p.m. N/A N/A N/A 27.0 ppb (25) N/A 5.0 ppb (7) 94.0 ppb (74) 0.6 ppb (7) 58.0 μg/m3 (52) 35.0 μg/m3 (99) 99.0
 
Feb. 13, 2020, 7 p.m. N/A N/A N/A 37.0 ppb (34) N/A 5.0 ppb (7) 70.0 ppb (54) 0.7 ppb (8) 55.0 μg/m3 (50) 31.0 μg/m3 (90) 90.0
 
Feb. 13, 2020, 6 p.m. N/A N/A N/A 32.0 ppb (30) N/A 4.0 ppb (6) 53.0 ppb (41) 0.7 ppb (8) 60.0 μg/m3 (52) 31.0 μg/m3 (90) 90.0
 
Feb. 13, 2020, 5 p.m. N/A N/A N/A 49.0 ppb (45) N/A 3.0 ppb (4) 23.0 ppb (18) 1.1 ppb (12) 59.0 μg/m3 (52) 27.0 μg/m3 (82) 82.0