AQSQID: 800090034

Site Name: Uam Xochimilco

Location: Mexico City (Puerta De Ávila), MX

Reporting: True, Located: True

Current AQI: 78.0

Mexico City (Puerta De Ávila) MX, MX: 19.3044, -99.0738

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 6, 2020, 2 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 50.0 ppb (38) 0.6 ppb (7) N/A 25.0 μg/m3 (78) 78.0
 
April 6, 2020, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 55.0 ppb (42) 0.6 ppb (7) N/A 30.0 μg/m3 (88) 88.0
 
April 6, 2020, midnight N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 67.0 ppb (52) 0.6 ppb (7) N/A 22.0 μg/m3 (71) 71.0
 
April 5, 2020, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 67.0 ppb (52) 0.6 ppb (7) N/A N/A 52.0
 
April 5, 2020, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 65.0 ppb (50) 0.6 ppb (7) N/A 18.0 μg/m3 (63) 63.0
 
April 5, 2020, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 65.0 ppb (50) 0.6 ppb (7) N/A 13.0 μg/m3 (52) 52.0
 
April 5, 2020, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 74.0 ppb (57) 0.6 ppb (7) N/A 16.0 μg/m3 (59) 59.0
 
April 5, 2020, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A 2.0 ppb (3) 83.0 ppb (65) 0.7 ppb (8) N/A N/A 65.0
 
April 5, 2020, 6 p.m. N/A N/A N/A 13.0 ppb (12) N/A 2.0 ppb (3) 77.0 ppb (60) 0.8 ppb (9) N/A 24.0 μg/m3 (76) 76.0
 
April 5, 2020, 5 p.m. N/A N/A N/A 17.0 ppb (16) N/A 2.0 ppb (3) 60.0 ppb (46) 0.8 ppb (9) N/A 17.0 μg/m3 (61) 61.0
 
April 5, 2020, 4 p.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 39.0 ppb (30) 0.9 ppb (10) N/A 14.0 μg/m3 (54) 54.0
 
April 5, 2020, 3 p.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 25.0 ppb (19) 1.0 ppb (11) N/A 17.0 μg/m3 (61) 61.0
 
April 5, 2020, 2 p.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 8.0 ppb (6) 1.0 ppb (11) N/A 19.0 μg/m3 (65) 65.0
 
April 5, 2020, 1 p.m. N/A N/A N/A 25.0 ppb (23) N/A 1.0 ppb (1) 6.0 ppb (5) 0.9 ppb (10) N/A 16.0 μg/m3 (59) 59.0
 
April 5, 2020, noon N/A N/A N/A 24.0 ppb (22) N/A 1.0 ppb (1) 6.0 ppb (5) 0.8 ppb (9) N/A 16.0 μg/m3 (59) 59.0
 
April 5, 2020, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 10.0 ppb (8) 0.7 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
April 5, 2020, 10 a.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 21.0 ppb (16) 0.7 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
April 5, 2020, 9 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 35.0 ppb (27) 0.6 ppb (7) N/A 13.0 μg/m3 (52) 52.0
 
April 5, 2020, 8 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 36.0 ppb (28) 0.6 ppb (7) N/A 21.0 μg/m3 (69) 69.0
 
April 5, 2020, 7 a.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 32.0 ppb (25) 0.7 ppb (8) N/A N/A 25.0
 
April 5, 2020, 6 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 29.0 ppb (22) 0.8 ppb (9) N/A 19.0 μg/m3 (65) 65.0
 
April 5, 2020, 5 a.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 35.0 ppb (27) 0.7 ppb (8) N/A 17.0 μg/m3 (61) 61.0
 
April 5, 2020, 4 a.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 40.0 ppb (31) 0.7 ppb (8) N/A 22.0 μg/m3 (71) 71.0
 
April 5, 2020, 3 a.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 46.0 ppb (35) 0.7 ppb (8) N/A 27.0 μg/m3 (82) 82.0
 
April 5, 2020, 2 a.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 52.0 ppb (40) 0.7 ppb (8) N/A 30.0 μg/m3 (88) 88.0
 
April 5, 2020, 1 a.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 56.0 ppb (43) 0.7 ppb (8) N/A 28.0 μg/m3 (84) 84.0
 
April 5, 2020, midnight N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 57.0 ppb (44) 0.7 ppb (8) N/A 30.0 μg/m3 (88) 88.0
 
April 4, 2020, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 62.0 ppb (48) 0.7 ppb (8) N/A 24.0 μg/m3 (76) 76.0
 
April 4, 2020, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 69.0 ppb (53) 0.7 ppb (8) N/A 11.0 μg/m3 (46) 53.0
 
April 4, 2020, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 79.0 ppb (62) 0.6 ppb (7) N/A 11.0 μg/m3 (46) 62.0
 
April 4, 2020, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 81.0 ppb (63) 0.6 ppb (7) N/A 20.0 μg/m3 (67) 67.0
 
April 4, 2020, 7 p.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 82.0 ppb (64) 0.7 ppb (8) N/A 27.0 μg/m3 (82) 82.0
 
April 4, 2020, 6 p.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 77.0 ppb (60) 0.9 ppb (10) N/A 30.0 μg/m3 (88) 88.0
 
April 4, 2020, 5 p.m. N/A N/A N/A 35.0 ppb (32) N/A 2.0 ppb (3) 53.0 ppb (41) 1.1 ppb (12) N/A 12.0 μg/m3 (50) 50.0
 
April 4, 2020, 4 p.m. N/A N/A N/A 22.0 ppb (20) N/A 2.0 ppb (3) 34.0 ppb (26) 0.9 ppb (10) N/A 10.0 μg/m3 (42) 42.0
 
April 4, 2020, 3 p.m. N/A N/A N/A 22.0 ppb (20) N/A 1.0 ppb (1) 17.0 ppb (13) 0.9 ppb (10) N/A 14.0 μg/m3 (54) 54.0
 
April 4, 2020, 2 p.m. N/A N/A N/A 22.0 ppb (20) N/A 1.0 ppb (1) 3.0 ppb (2) 1.2 ppb (13) N/A 18.0 μg/m3 (63) 63.0
 
April 4, 2020, 1 p.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 2.0 ppb (2) 0.9 ppb (10) N/A 18.0 μg/m3 (63) 63.0
 
April 4, 2020, noon N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 5.0 ppb (4) 0.8 ppb (9) N/A 15.0 μg/m3 (56) 56.0
 
April 4, 2020, 11 a.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 14.0 ppb (11) 0.7 ppb (8) N/A 7.0 μg/m3 (29) 29.0
 
April 4, 2020, 10 a.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 11.0 ppb (8) 0.7 ppb (8) N/A 4.0 μg/m3 (17) 17.0
 
April 4, 2020, 9 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 7.0 ppb (5) 0.7 ppb (8) N/A 8.0 μg/m3 (33) 33.0
 
April 4, 2020, 8 a.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 16.0 ppb (12) 0.7 ppb (8) N/A 10.0 μg/m3 (42) 42.0
 
April 4, 2020, 7 a.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 23.0 ppb (18) 0.7 ppb (8) N/A N/A 18.0
 
April 4, 2020, 6 a.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 30.0 ppb (23) 0.7 ppb (8) N/A 19.0 μg/m3 (65) 65.0
 
April 4, 2020, 5 a.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 33.0 ppb (25) 0.7 ppb (8) N/A 33.0 μg/m3 (95) 95.0
 
April 4, 2020, 4 a.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 40.0 ppb (31) 0.7 ppb (8) N/A 25.0 μg/m3 (78) 78.0
 
April 4, 2020, 3 a.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 43.0 ppb (33) 0.8 ppb (9) N/A 27.0 μg/m3 (82) 82.0
 
April 4, 2020, 2 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) 55.0 ppb (42) 0.8 ppb (9) N/A 26.0 μg/m3 (80) 80.0
 
April 4, 2020, 1 a.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 56.0 ppb (43) 0.8 ppb (9) N/A 28.0 μg/m3 (84) 84.0
 
April 4, 2020, midnight N/A N/A N/A 13.0 ppb (12) N/A 2.0 ppb (3) 61.0 ppb (47) 0.8 ppb (9) N/A 33.0 μg/m3 (95) 95.0
 
April 3, 2020, 11 p.m. N/A N/A N/A 13.0 ppb (12) N/A 3.0 ppb (4) 65.0 ppb (50) 0.8 ppb (9) N/A 35.0 μg/m3 (99) 99.0
 
April 3, 2020, 10 p.m. N/A N/A N/A 10.0 ppb (9) N/A 4.0 ppb (6) 79.0 ppb (62) 0.7 ppb (8) N/A 22.0 μg/m3 (71) 71.0
 
April 3, 2020, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A 5.0 ppb (7) 90.0 ppb (71) 0.7 ppb (8) N/A 21.0 μg/m3 (69) 71.0
 
April 3, 2020, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A 3.0 ppb (4) 87.0 ppb (68) 0.7 ppb (8) N/A 19.0 μg/m3 (65) 68.0
 
April 3, 2020, 7 p.m. N/A N/A N/A 13.0 ppb (12) N/A 3.0 ppb (4) 89.0 ppb (70) 0.8 ppb (9) N/A 29.0 μg/m3 (86) 86.0
 
April 3, 2020, 6 p.m. N/A N/A N/A 23.0 ppb (21) N/A 3.0 ppb (4) 71.0 ppb (55) 0.9 ppb (10) N/A 20.0 μg/m3 (67) 67.0
 
April 3, 2020, 5 p.m. N/A N/A N/A 24.0 ppb (22) N/A 3.0 ppb (4) 57.0 ppb (44) 0.9 ppb (10) N/A 17.0 μg/m3 (61) 61.0
 
April 3, 2020, 4 p.m. N/A N/A N/A 29.0 ppb (27) N/A 2.0 ppb (3) 34.0 ppb (26) 1.0 ppb (11) N/A 14.0 μg/m3 (54) 54.0
 
April 3, 2020, 3 p.m. N/A N/A N/A 29.0 ppb (27) N/A 2.0 ppb (3) 15.0 ppb (12) 1.0 ppb (11) N/A 14.0 μg/m3 (54) 54.0
 
April 3, 2020, 2 p.m. N/A N/A N/A 22.0 ppb (20) N/A 1.0 ppb (1) 4.0 ppb (3) 1.1 ppb (12) N/A 14.0 μg/m3 (54) 54.0
 
April 3, 2020, 1 p.m. N/A N/A N/A 22.0 ppb (20) N/A 1.0 ppb (1) 2.0 ppb (2) 0.9 ppb (10) N/A 12.0 μg/m3 (50) 50.0
 
April 3, 2020, noon N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 8.0 ppb (6) 0.7 ppb (8) N/A 10.0 μg/m3 (42) 42.0
 
April 3, 2020, 11 a.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 8.0 ppb (6) 0.7 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
April 3, 2020, 10 a.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 17.0 ppb (13) 0.6 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
April 3, 2020, 9 a.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 21.0 ppb (16) 0.6 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
April 3, 2020, 8 a.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 21.0 ppb (16) 0.6 ppb (7) N/A 1.0 μg/m3 (4) 16.0
 
April 3, 2020, 7 a.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 22.0 ppb (17) 0.7 ppb (8) N/A N/A 17.0
 
April 3, 2020, 6 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 36.0 ppb (28) 0.6 ppb (7) N/A N/A 28.0
 
April 3, 2020, 5 a.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 36.0 ppb (28) 0.6 ppb (7) N/A 30.0 μg/m3 (88) 88.0
 
April 3, 2020, 4 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 38.0 ppb (29) 0.6 ppb (7) N/A 21.0 μg/m3 (69) 69.0
 
April 3, 2020, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 45.0 ppb (35) 0.6 ppb (7) N/A 30.0 μg/m3 (88) 88.0
 
April 3, 2020, 2 a.m. N/A N/A N/A 13.0 ppb (12) N/A 2.0 ppb (3) 52.0 ppb (40) 0.8 ppb (9) N/A 27.0 μg/m3 (82) 82.0
 
April 3, 2020, 1 a.m. N/A N/A N/A 15.0 ppb (14) N/A 2.0 ppb (3) 50.0 ppb (38) 0.8 ppb (9) N/A 30.0 μg/m3 (88) 88.0
 
April 3, 2020, midnight N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) 60.0 ppb (46) 0.8 ppb (9) N/A 40.0 μg/m3 (111) 111.0
 
April 2, 2020, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 67.0 ppb (52) 0.8 ppb (9) N/A 42.0 μg/m3 (116) 116.0
 
April 2, 2020, 10 p.m. N/A N/A N/A 12.0 ppb (11) N/A 3.0 ppb (4) 85.0 ppb (67) 0.8 ppb (9) N/A 31.0 μg/m3 (90) 90.0
 
April 2, 2020, 9 p.m. N/A N/A N/A 12.0 ppb (11) N/A 4.0 ppb (6) 115.0 ppb (92) 0.7 ppb (8) N/A 29.0 μg/m3 (86) 92.0
 
April 2, 2020, 8 p.m. N/A N/A N/A 16.0 ppb (15) N/A 5.0 ppb (7) 121.0 ppb (97) 0.8 ppb (9) N/A 29.0 μg/m3 (86) 97.0
 
April 2, 2020, 7 p.m. N/A N/A N/A 18.0 ppb (17) N/A 6.0 ppb (9) 101.0 ppb (80) 0.8 ppb (9) N/A 36.0 μg/m3 (101) 101.0
 
April 2, 2020, 6 p.m. N/A N/A N/A 22.0 ppb (20) N/A 8.0 ppb (11) 78.0 ppb (61) 0.9 ppb (10) N/A 39.0 μg/m3 (109) 109.0
 
April 2, 2020, 5 p.m. N/A N/A N/A 30.0 ppb (28) N/A 8.0 ppb (11) 54.0 ppb (42) 1.0 ppb (11) N/A 35.0 μg/m3 (99) 99.0
 
April 2, 2020, 4 p.m. N/A N/A N/A 40.0 ppb (37) N/A 5.0 ppb (7) 30.0 ppb (23) 1.2 ppb (13) N/A 26.0 μg/m3 (80) 80.0
 
April 2, 2020, 3 p.m. N/A N/A N/A 32.0 ppb (30) N/A 3.0 ppb (4) 14.0 ppb (11) 1.0 ppb (11) N/A 23.0 μg/m3 (73) 73.0
 
April 2, 2020, 2 p.m. N/A N/A N/A 30.0 ppb (28) N/A 2.0 ppb (3) 7.0 ppb (5) 1.0 ppb (11) N/A 30.0 μg/m3 (88) 88.0
 
April 2, 2020, 1 p.m. N/A N/A N/A 32.0 ppb (30) N/A 2.0 ppb (3) 6.0 ppb (5) 1.0 ppb (11) N/A 19.0 μg/m3 (65) 65.0
 
April 2, 2020, noon N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 15.0 ppb (12) 0.8 ppb (9) N/A 24.0 μg/m3 (76) 76.0
 
April 2, 2020, 11 a.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 16.0 ppb (12) 0.7 ppb (8) N/A 31.0 μg/m3 (90) 90.0
 
April 2, 2020, 10 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 20.0 ppb (15) 0.7 ppb (8) N/A 20.0 μg/m3 (67) 67.0
 
April 2, 2020, 9 a.m. N/A N/A N/A 25.0 ppb (23) N/A 2.0 ppb (3) 18.0 ppb (14) 0.8 ppb (9) N/A 18.0 μg/m3 (63) 63.0
 
April 2, 2020, 8 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 28.0 ppb (22) 0.7 ppb (8) N/A 14.0 μg/m3 (54) 54.0
 
April 2, 2020, 7 a.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 30.0 ppb (23) 0.8 ppb (9) N/A N/A 23.0
 
April 2, 2020, 6 a.m. N/A N/A N/A 15.0 ppb (14) N/A 2.0 ppb (3) 38.0 ppb (29) 0.7 ppb (8) N/A 18.0 μg/m3 (63) 63.0
 
April 2, 2020, 5 a.m. N/A N/A N/A 15.0 ppb (14) N/A 2.0 ppb (3) 40.0 ppb (31) 0.7 ppb (8) N/A 22.0 μg/m3 (71) 71.0
 
April 2, 2020, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 50.0 ppb (38) 0.7 ppb (8) N/A 33.0 μg/m3 (95) 95.0
 
April 2, 2020, 3 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 57.0 ppb (44) 0.8 ppb (9) N/A 31.0 μg/m3 (90) 90.0
 
April 2, 2020, 2 a.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 52.0 ppb (40) 0.8 ppb (9) N/A 35.0 μg/m3 (99) 99.0
 
April 2, 2020, 1 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 56.0 ppb (43) 0.8 ppb (9) N/A 48.0 μg/m3 (131) 131.0
 
April 2, 2020, midnight N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 68.0 ppb (52) 0.8 ppb (9) N/A 44.0 μg/m3 (121) 121.0
 
April 1, 2020, 11 p.m. N/A N/A N/A 13.0 ppb (12) N/A 2.0 ppb (3) 105.0 ppb (83) 0.8 ppb (9) N/A 36.0 μg/m3 (101) 101.0
 
April 1, 2020, 10 p.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) 121.0 ppb (97) 0.8 ppb (9) N/A 27.0 μg/m3 (82) 97.0
 
April 1, 2020, 9 p.m. N/A N/A N/A 9.0 ppb (8) N/A 2.0 ppb (3) 107.0 ppb (85) 0.7 ppb (8) N/A 21.0 μg/m3 (69) 85.0
 
April 1, 2020, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A 2.0 ppb (3) 93.0 ppb (73) 0.7 ppb (8) N/A 27.0 μg/m3 (82) 82.0
 
April 1, 2020, 7 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 81.0 ppb (63) 0.7 ppb (8) N/A 26.0 μg/m3 (80) 80.0
 
April 1, 2020, 6 p.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 77.0 ppb (60) 0.8 ppb (9) N/A 22.0 μg/m3 (71) 71.0
 
April 1, 2020, 5 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 58.0 ppb (45) 0.7 ppb (8) N/A 22.0 μg/m3 (71) 71.0
 
April 1, 2020, 4 p.m. N/A N/A N/A 15.0 ppb (14) N/A 2.0 ppb (3) 38.0 ppb (29) 0.7 ppb (8) N/A 23.0 μg/m3 (73) 73.0
 
April 1, 2020, 3 p.m. N/A N/A N/A 21.0 ppb (19) N/A 2.0 ppb (3) 22.0 ppb (17) 0.8 ppb (9) N/A 28.0 μg/m3 (84) 84.0
 
April 1, 2020, 2 p.m. N/A N/A N/A 23.0 ppb (21) N/A 2.0 ppb (3) 11.0 ppb (8) 0.9 ppb (10) N/A 29.0 μg/m3 (86) 86.0
 
April 1, 2020, 1 p.m. N/A N/A N/A 25.0 ppb (23) N/A 1.0 ppb (1) 6.0 ppb (5) 0.8 ppb (9) N/A 24.0 μg/m3 (76) 76.0
 
April 1, 2020, noon N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 13.0 ppb (10) 0.7 ppb (8) N/A 20.0 μg/m3 (67) 67.0
 
April 1, 2020, 11 a.m. N/A N/A N/A 13.0 ppb (12) N/A 2.0 ppb (3) 22.0 ppb (17) 0.6 ppb (7) N/A 20.0 μg/m3 (67) 67.0
 
April 1, 2020, 10 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) 26.0 ppb (20) 0.6 ppb (7) N/A 18.0 μg/m3 (63) 63.0
 
April 1, 2020, 9 a.m. N/A N/A N/A 41.0 ppb (38) N/A 94.0 ppb (77) 5.0 ppb (4) 10.1 ppb (110) N/A 20.0 μg/m3 (67) 110.0
 
April 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 30.0 μg/m3 (88) 88.0
 
April 1, 2020, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A 0.4 ppb (4) N/A N/A 4.0
 
April 1, 2020, 6 a.m. N/A N/A N/A 14.0 ppb (13) N/A 2.0 ppb (3) 28.0 ppb (22) 0.7 ppb (8) N/A 17.0 μg/m3 (61) 61.0
 
April 1, 2020, 5 a.m. N/A N/A N/A 14.0 ppb (13) N/A 2.0 ppb (3) 31.0 ppb (24) 0.7 ppb (8) N/A 22.0 μg/m3 (71) 71.0
 
April 1, 2020, 4 a.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 36.0 ppb (28) 0.6 ppb (7) N/A 18.0 μg/m3 (63) 63.0
 
April 1, 2020, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) 38.0 ppb (29) 0.6 ppb (7) N/A 27.0 μg/m3 (82) 82.0
 
April 1, 2020, 2 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 42.0 ppb (32) 0.6 ppb (7) N/A 40.0 μg/m3 (111) 111.0
 
April 1, 2020, 1 a.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 47.0 ppb (36) 0.6 ppb (7) N/A 27.0 μg/m3 (82) 82.0
 
April 1, 2020, midnight N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 54.0 ppb (42) 0.6 ppb (7) N/A 18.0 μg/m3 (63) 63.0
 
March 31, 2020, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 62.0 ppb (48) 0.5 ppb (6) N/A 21.0 μg/m3 (69) 69.0
 
March 31, 2020, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 74.0 ppb (57) 0.5 ppb (6) N/A 12.0 μg/m3 (50) 57.0
 
March 31, 2020, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 77.0 ppb (60) 0.5 ppb (6) N/A 15.0 μg/m3 (56) 60.0
 
March 31, 2020, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A 4.0 ppb (6) 80.0 ppb (62) 0.5 ppb (6) N/A 27.0 μg/m3 (82) 82.0
 
March 31, 2020, 7 p.m. N/A N/A N/A 17.0 ppb (16) N/A 6.0 ppb (9) 81.0 ppb (63) 0.7 ppb (8) N/A 28.0 μg/m3 (84) 84.0
 
March 31, 2020, 6 p.m. N/A N/A N/A 25.0 ppb (23) N/A 7.0 ppb (10) 76.0 ppb (59) 0.8 ppb (9) N/A 33.0 μg/m3 (95) 95.0
 
March 31, 2020, 5 p.m. N/A N/A N/A 26.0 ppb (24) N/A 13.0 ppb (19) 59.0 ppb (45) 0.9 ppb (10) N/A 31.0 μg/m3 (90) 90.0
 
March 31, 2020, 4 p.m. N/A N/A N/A 23.0 ppb (21) N/A 14.0 ppb (20) 39.0 ppb (30) 0.9 ppb (10) N/A 25.0 μg/m3 (78) 78.0
 
March 31, 2020, 3 p.m. N/A N/A N/A 31.0 ppb (29) N/A 6.0 ppb (9) 15.0 ppb (12) 1.0 ppb (11) N/A 27.0 μg/m3 (82) 82.0
 
March 31, 2020, 2 p.m. N/A N/A N/A 31.0 ppb (29) N/A 3.0 ppb (4) 4.0 ppb (3) 1.2 ppb (13) N/A 22.0 μg/m3 (71) 71.0
 
March 31, 2020, 1 p.m. N/A N/A N/A 28.0 ppb (26) N/A 2.0 ppb (3) 4.0 ppb (3) 0.9 ppb (10) N/A 20.0 μg/m3 (67) 67.0
 
March 31, 2020, noon N/A N/A N/A 24.0 ppb (22) N/A 4.0 ppb (6) 11.0 ppb (8) 0.7 ppb (8) N/A 18.0 μg/m3 (63) 63.0
 
March 31, 2020, 11 a.m. N/A N/A N/A 24.0 ppb (22) N/A 3.0 ppb (4) 11.0 ppb (8) 0.7 ppb (8) N/A 23.0 μg/m3 (73) 73.0
 
March 31, 2020, 10 a.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) N/A 23.0 μg/m3 (73) 73.0
 
March 31, 2020, 9 a.m. N/A N/A N/A 32.0 ppb (30) N/A 3.0 ppb (4) 5.0 ppb (4) 0.9 ppb (10) N/A 23.0 μg/m3 (73) 73.0
 
March 31, 2020, 8 a.m. N/A N/A N/A 29.0 ppb (27) N/A 4.0 ppb (6) 11.0 ppb (8) 0.8 ppb (9) N/A 13.0 μg/m3 (52) 52.0
 
March 31, 2020, 7 a.m. N/A N/A N/A 26.0 ppb (24) N/A 2.0 ppb (3) 18.0 ppb (14) 0.7 ppb (8) N/A N/A 24.0
 
March 31, 2020, 6 a.m. N/A N/A N/A 31.0 ppb (29) N/A 1.0 ppb (1) 15.0 ppb (12) 0.8 ppb (9) N/A 33.0 μg/m3 (95) 95.0
 
March 31, 2020, 5 a.m. N/A N/A N/A 30.0 ppb (28) N/A 1.0 ppb (1) 24.0 ppb (18) 0.9 ppb (10) N/A 39.0 μg/m3 (109) 109.0
 
March 31, 2020, 4 a.m. N/A N/A N/A 24.0 ppb (22) N/A 2.0 ppb (3) 41.0 ppb (32) 1.0 ppb (11) N/A 39.0 μg/m3 (109) 109.0
 
March 31, 2020, 3 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) 56.0 ppb (43) 0.8 ppb (9) N/A 56.0 μg/m3 (150) 150.0
 
March 31, 2020, 2 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) 57.0 ppb (44) 0.9 ppb (10) N/A 53.0 μg/m3 (144) 144.0
 
March 31, 2020, 1 a.m. N/A N/A N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A 0.9 ppb (10) N/A 42.0 μg/m3 (116) 116.0
 
March 31, 2020, midnight N/A N/A N/A 13.0 ppb (12) N/A 3.0 ppb (4) 121.0 ppb (97) 0.7 ppb (8) N/A 33.0 μg/m3 (95) 97.0
 
March 30, 2020, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 111.0 ppb (88) 0.7 ppb (8) N/A 37.0 μg/m3 (104) 104.0
 
March 30, 2020, 10 p.m. N/A N/A N/A 11.0 ppb (10) N/A 3.0 ppb (4) 116.0 ppb (92) 0.7 ppb (8) N/A 32.0 μg/m3 (93) 93.0
 
March 30, 2020, 9 p.m. N/A N/A N/A 12.0 ppb (11) N/A 3.0 ppb (4) 114.0 ppb (91) 0.7 ppb (8) N/A 26.0 μg/m3 (80) 91.0
 
March 30, 2020, 8 p.m. N/A N/A N/A 14.0 ppb (13) N/A 3.0 ppb (4) 104.0 ppb (82) 0.7 ppb (8) N/A 25.0 μg/m3 (78) 82.0
 
March 30, 2020, 7 p.m. N/A N/A N/A 14.0 ppb (13) N/A 3.0 ppb (4) 92.0 ppb (72) 0.7 ppb (8) N/A 27.0 μg/m3 (82) 82.0
 
March 30, 2020, 6 p.m. N/A N/A N/A 11.0 ppb (10) N/A 3.0 ppb (4) 79.0 ppb (62) 0.7 ppb (8) N/A 34.0 μg/m3 (97) 97.0
 
March 30, 2020, 5 p.m. N/A N/A N/A 10.0 ppb (9) N/A 4.0 ppb (6) 61.0 ppb (47) 0.7 ppb (8) N/A 38.0 μg/m3 (106) 106.0
 
March 30, 2020, 4 p.m. N/A N/A N/A 16.0 ppb (15) N/A 6.0 ppb (9) 40.0 ppb (31) 0.9 ppb (10) N/A 27.0 μg/m3 (82) 82.0
 
March 30, 2020, 3 p.m. N/A N/A N/A 22.0 ppb (20) N/A 5.0 ppb (7) 20.0 ppb (15) 1.1 ppb (12) N/A 37.0 μg/m3 (104) 104.0
 
March 30, 2020, 2 p.m. N/A N/A N/A 23.0 ppb (21) N/A 3.0 ppb (4) 7.0 ppb (5) 1.1 ppb (12) N/A 34.0 μg/m3 (97) 97.0
 
March 30, 2020, 1 p.m. N/A N/A N/A 25.0 ppb (23) N/A 2.0 ppb (3) 4.0 ppb (3) 1.0 ppb (11) N/A 26.0 μg/m3 (80) 80.0
 
March 30, 2020, noon N/A N/A N/A 24.0 ppb (22) N/A 3.0 ppb (4) 6.0 ppb (5) 0.8 ppb (9) N/A 26.0 μg/m3 (80) 80.0
 
March 30, 2020, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A 4.0 ppb (6) 10.0 ppb (8) 0.7 ppb (8) N/A 25.0 μg/m3 (78) 78.0
 
March 30, 2020, 10 a.m. N/A N/A N/A 14.0 ppb (13) N/A 6.0 ppb (9) 19.0 ppb (15) 0.7 ppb (8) N/A 27.0 μg/m3 (82) 82.0
 
March 30, 2020, 9 a.m. N/A N/A N/A 10.0 ppb (9) N/A 8.0 ppb (11) 27.0 ppb (21) 0.7 ppb (8) N/A 26.0 μg/m3 (80) 80.0
 
March 30, 2020, 8 a.m. N/A N/A N/A 11.0 ppb (10) N/A 8.0 ppb (11) 28.0 ppb (22) 0.7 ppb (8) N/A 26.0 μg/m3 (80) 80.0
 
March 30, 2020, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A 8.0 ppb (11) 32.0 ppb (25) 0.7 ppb (8) N/A N/A 25.0
 
March 30, 2020, 6 a.m. N/A N/A N/A 9.0 ppb (8) N/A 7.0 ppb (10) 31.0 ppb (24) 0.7 ppb (8) N/A 24.0 μg/m3 (76) 76.0
 
March 30, 2020, 5 a.m. N/A N/A N/A 11.0 ppb (10) N/A 3.0 ppb (4) 31.0 ppb (24) 0.7 ppb (8) N/A 32.0 μg/m3 (93) 93.0
 
March 30, 2020, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) 35.0 ppb (27) 0.7 ppb (8) N/A 38.0 μg/m3 (106) 106.0
 
March 30, 2020, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) 36.0 ppb (28) 0.7 ppb (8) N/A 31.0 μg/m3 (90) 90.0