ID: 7772

AQSQID: 484800090073

Site Name: Santiago Acahualtepec

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

Updated: April 21, 2021, 7:45 p.m.

Location: Mexico City (Escuela Secundaria Tecnica 17), MX

Reporting: True, Located: True

Current AQI: 50.0

Mexico City (Escuela Secundaria Tecnica 17) MX, MX: 19.3502, -99.1571

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 21, 2021, 6 p.m. 31.0 ppb (30) 2.0 ppb (2) N/A 29.0 ppb (28) N/A 12.0 ppb (18) 54.0 ppb (50) 0.6 ppb (7) N/A N/A 50.0
 
April 21, 2021, 5 p.m. 50.0 ppb (48) 8.0 ppb (8) N/A 42.0 ppb (40) N/A 15.0 ppb (22) 37.0 ppb (35) 0.8 ppb (10) N/A N/A 48.0
 
April 21, 2021, 4 p.m. 71.0 ppb (70) 23.0 ppb (22) N/A 48.0 ppb (46) N/A 16.0 ppb (23) 18.0 ppb (17) 1.0 ppb (12) N/A N/A 70.0
 
April 21, 2021, 3 p.m. 95.0 ppb (95) 48.0 ppb (46) N/A 46.0 ppb (44) N/A 16.0 ppb (23) 7.0 ppb (7) 1.2 ppb (14) N/A N/A 95.0
 
April 21, 2021, 2 p.m. 71.0 ppb (70) 35.0 ppb (34) N/A 36.0 ppb (34) N/A 10.0 ppb (15) 4.0 ppb (4) 1.2 ppb (14) N/A N/A 70.0
 
April 21, 2021, 1 p.m. 65.0 ppb (63) 30.0 ppb (29) N/A 35.0 ppb (34) N/A N/A 3.0 ppb (3) 0.9 ppb (11) N/A N/A 63.0
 
April 21, 2021, noon 46.0 ppb (44) 8.0 ppb (8) N/A 37.0 ppb (35) N/A 17.0 ppb (25) 4.0 ppb (4) 0.5 ppb (6) N/A N/A 44.0
 
April 21, 2021, 11 a.m. 54.0 ppb (51) 17.0 ppb (17) N/A 37.0 ppb (35) N/A 14.0 ppb (20) 3.0 ppb (3) 0.6 ppb (7) N/A N/A 51.0
 
April 21, 2021, 10 a.m. 32.0 ppb (31) 2.0 ppb (2) N/A 30.0 ppb (29) N/A 6.0 ppb (9) 7.0 ppb (7) N/A N/A N/A 31.0
 
April 21, 2021, 9 a.m. 24.0 ppb (23) 0.0 ppb (0) N/A 24.0 ppb (23) N/A 6.0 ppb (9) 11.0 ppb (11) 0.3 ppb (4) N/A N/A 23.0
 
April 21, 2021, 8 a.m. 28.0 ppb (27) 1.0 ppb (1) N/A 27.0 ppb (26) N/A N/A 11.0 ppb (11) 0.4 ppb (5) N/A N/A 27.0
 
April 21, 2021, 7 a.m. 43.0 ppb (41) 3.0 ppb (3) N/A 39.0 ppb (37) N/A 4.0 ppb (6) 8.0 ppb (8) 0.5 ppb (6) N/A N/A 41.0
 
April 21, 2021, 6 a.m. 45.0 ppb (43) 6.0 ppb (6) N/A 39.0 ppb (37) N/A 2.0 ppb (3) 7.0 ppb (7) 0.7 ppb (8) N/A N/A 43.0
 
April 21, 2021, 5 a.m. 39.0 ppb (37) 5.0 ppb (5) N/A 34.0 ppb (33) N/A N/A 11.0 ppb (11) 0.7 ppb (8) N/A N/A 37.0
 
April 21, 2021, 4 a.m. 18.0 ppb (17) 0.0 ppb (0) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 23.0 ppb (22) 0.5 ppb (6) N/A N/A 22.0
 
April 21, 2021, 3 a.m. 13.0 ppb (13) N/A N/A 13.0 ppb (13) N/A 2.0 ppb (3) 30.0 ppb (28) 0.4 ppb (5) N/A N/A 28.0
 
April 21, 2021, 2 a.m. 16.0 ppb (16) 0.0 ppb (0) N/A 16.0 ppb (16) N/A 2.0 ppb (3) 37.0 ppb (35) 0.5 ppb (6) N/A N/A 35.0
 
April 21, 2021, 1 a.m. 14.0 ppb (14) 0.0 ppb (0) N/A 14.0 ppb (14) N/A 2.0 ppb (3) 43.0 ppb (40) 0.5 ppb (6) N/A N/A 40.0
 
April 21, 2021, midnight 14.0 ppb (14) 0.0 ppb (0) N/A 13.0 ppb (13) N/A 2.0 ppb (3) 46.0 ppb (43) 0.5 ppb (6) N/A N/A 43.0
 
April 20, 2021, 11 p.m. 14.0 ppb (14) 1.0 ppb (1) N/A 13.0 ppb (13) N/A 2.0 ppb (3) 52.0 ppb (49) 0.5 ppb (6) N/A N/A 49.0
 
April 20, 2021, 10 p.m. 12.0 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 52.0 ppb (49) 0.4 ppb (5) N/A N/A 49.0
 
April 20, 2021, 9 p.m. 9.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 50.0 ppb (47) 0.3 ppb (4) N/A N/A 47.0
 
April 20, 2021, 8 p.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 43.0 ppb (40) 0.2 ppb (3) N/A N/A 40.0
 
April 20, 2021, 7 p.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 42.0 ppb (39) 0.2 ppb (3) N/A N/A 39.0
 
April 20, 2021, 6 p.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 43.0 ppb (40) 0.2 ppb (3) N/A N/A 40.0
 
April 20, 2021, 5 p.m. 13.0 ppb (13) 1.0 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 43.0 ppb (40) 0.3 ppb (4) N/A N/A 40.0
 
April 20, 2021, 4 p.m. 95.0 ppb (95) 33.0 ppb (32) N/A 61.0 ppb (59) N/A 3.0 ppb (5) 22.0 ppb (21) 1.3 ppb (15) N/A N/A 95.0
 
April 20, 2021, 3 p.m. 166.0 ppb (114) 100.0 ppb (100) N/A 66.0 ppb (64) N/A 3.0 ppb (5) 6.0 ppb (6) 1.9 ppb (22) N/A N/A 114.0
 
April 20, 2021, 2 p.m. 219.0 ppb (124) 167.0 ppb (114) N/A 53.0 ppb (50) N/A 4.0 ppb (6) 2.0 ppb (2) 2.6 ppb (30) N/A N/A 124.0
 
April 20, 2021, 1 p.m. 141.0 ppb (109) 101.0 ppb (101) N/A 40.0 ppb (38) N/A 3.0 ppb (5) 1.0 ppb (1) 1.9 ppb (22) N/A N/A 109.0
 
April 20, 2021, noon 117.0 ppb (105) 77.0 ppb (76) N/A 40.0 ppb (38) N/A 3.0 ppb (5) 1.0 ppb (1) 1.5 ppb (18) N/A N/A 105.0
 
April 20, 2021, 11 a.m. 39.0 ppb (37) 16.0 ppb (16) N/A 22.0 ppb (21) N/A 2.0 ppb (3) 20.0 ppb (19) 0.5 ppb (6) N/A N/A 37.0
 
April 20, 2021, 10 a.m. 35.0 ppb (34) 9.0 ppb (9) N/A 26.0 ppb (25) N/A N/A 14.0 ppb (13) N/A N/A N/A 34.0
 
April 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 20, 2021, 5 a.m. 11.0 ppb (11) N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A N/A 25.0
 
April 20, 2021, 4 a.m. 14.0 ppb (14) N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 29.0 ppb (27) 0.4 ppb (5) N/A N/A 27.0
 
April 20, 2021, 3 a.m. 17.0 ppb (17) 0.0 ppb (0) N/A 17.0 ppb (17) N/A 2.0 ppb (3) 32.0 ppb (30) N/A N/A N/A 30.0
 
April 20, 2021, 2 a.m. 22.0 ppb (21) 1.0 ppb (1) N/A 20.0 ppb (19) N/A 2.0 ppb (3) 34.0 ppb (32) 0.5 ppb (6) N/A N/A 32.0
 
April 20, 2021, 1 a.m. 14.0 ppb (14) 1.0 ppb (1) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 38.0 ppb (36) 0.4 ppb (5) N/A N/A 36.0
 
April 20, 2021, midnight 15.0 ppb (15) 1.0 ppb (1) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 41.0 ppb (38) 0.4 ppb (5) N/A N/A 38.0
 
April 19, 2021, 11 p.m. 13.0 ppb (13) 1.0 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 44.0 ppb (41) 0.4 ppb (5) N/A N/A 41.0
 
April 19, 2021, 10 p.m. 12.0 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 47.0 ppb (44) 0.4 ppb (5) N/A N/A 44.0
 
April 19, 2021, 9 p.m. 11.0 ppb (11) 0.0 ppb (0) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 48.0 ppb (45) 0.4 ppb (5) N/A N/A 45.0
 
April 19, 2021, 8 p.m. 11.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 50.0 ppb (47) 0.3 ppb (4) N/A N/A 47.0
 
April 19, 2021, 7 p.m. 10.0 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 40.0 ppb (38) 0.2 ppb (3) N/A N/A 38.0
 
April 19, 2021, 6 p.m. 8.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 38.0 ppb (36) 0.2 ppb (3) N/A N/A 36.0
 
April 19, 2021, 5 p.m. 8.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 39.0 ppb (37) 0.2 ppb (3) N/A N/A 37.0
 
April 16, 2021, 3 a.m. 26.0 ppb (25) 1.0 ppb (1) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 35.0 ppb (33) 0.5 ppb (6) N/A N/A 33.0
 
April 16, 2021, 2 a.m. 37.0 ppb (35) 3.0 ppb (3) N/A 34.0 ppb (33) N/A N/A 31.0 ppb (29) 0.7 ppb (8) N/A N/A 35.0
 
April 16, 2021, 1 a.m. 30.0 ppb (29) 1.0 ppb (1) N/A 29.0 ppb (28) N/A 1.0 ppb (2) 41.0 ppb (38) 0.6 ppb (7) N/A N/A 38.0
 
April 16, 2021, midnight 20.0 ppb (19) 1.0 ppb (1) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 50.0 ppb (47) 0.5 ppb (6) N/A N/A 47.0
 
April 15, 2021, 11 p.m. 14.0 ppb (14) 0.0 ppb (0) N/A 14.0 ppb (14) N/A 2.0 ppb (3) 70.0 ppb (100) 0.4 ppb (5) N/A N/A 100.0
 
April 15, 2021, 10 p.m. 13.0 ppb (13) N/A N/A 13.0 ppb (13) N/A 2.0 ppb (3) 81.0 ppb (107) 0.3 ppb (4) N/A N/A 107.0
 
April 15, 2021, 9 p.m. 14.0 ppb (14) N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 79.0 ppb (106) 0.3 ppb (4) N/A N/A 106.0
 
April 15, 2021, 8 p.m. 15.0 ppb (15) 0.0 ppb (0) N/A 15.0 ppb (15) N/A 2.0 ppb (3) 73.0 ppb (103) 0.3 ppb (4) N/A N/A 103.0
 
April 15, 2021, 7 p.m. 13.0 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (13) N/A 2.0 ppb (3) 60.0 ppb (68) 0.3 ppb (4) N/A N/A 68.0
 
April 15, 2021, 6 p.m. 23.0 ppb (22) 2.0 ppb (2) N/A 21.0 ppb (20) N/A 2.0 ppb (3) 51.0 ppb (48) 0.4 ppb (5) N/A N/A 48.0
 
April 15, 2021, 5 p.m. 78.0 ppb (77) 16.0 ppb (16) N/A 61.0 ppb (59) N/A 2.0 ppb (3) 34.0 ppb (32) 1.0 ppb (12) N/A N/A 77.0
 
April 15, 2021, 4 p.m. 83.0 ppb (82) 23.0 ppb (22) N/A 60.0 ppb (58) N/A 2.0 ppb (3) 21.0 ppb (20) 1.2 ppb (14) N/A N/A 82.0
 
April 15, 2021, 3 p.m. 75.0 ppb (74) 28.0 ppb (27) N/A 47.0 ppb (45) N/A 2.0 ppb (3) 13.0 ppb (13) 1.0 ppb (12) N/A N/A 74.0
 
April 15, 2021, 2 p.m. 126.0 ppb (106) 75.0 ppb (74) N/A 51.0 ppb (49) N/A 2.0 ppb (3) 2.0 ppb (2) 1.6 ppb (19) N/A N/A 106.0
 
April 15, 2021, 1 p.m. 127.0 ppb (106) 79.0 ppb (78) N/A 48.0 ppb (46) N/A 2.0 ppb (3) 0.0 ppb (0) 1.5 ppb (18) N/A N/A 106.0
 
April 15, 2021, noon 46.0 ppb (44) 6.0 ppb (6) N/A 40.0 ppb (38) N/A N/A 5.0 ppb (5) 0.5 ppb (6) N/A N/A 44.0
 
April 15, 2021, 11 a.m. 62.0 ppb (60) 26.0 ppb (25) N/A 36.0 ppb (34) N/A N/A 6.0 ppb (6) 0.6 ppb (7) N/A N/A 60.0
 
April 15, 2021, 10 a.m. 12.0 ppb (12) 0.0 ppb (0) N/A 12.0 ppb (12) N/A N/A 26.0 ppb (25) 0.1 ppb (2) N/A N/A 25.0
 
April 15, 2021, 9 a.m. 10.0 ppb (10) N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 29.0 ppb (27) 0.1 ppb (2) N/A N/A 27.0
 
April 15, 2021, 8 a.m. 15.0 ppb (15) 0.0 ppb (0) N/A 16.0 ppb (16) N/A N/A 25.0 ppb (24) 0.1 ppb (2) N/A N/A 24.0
 
April 15, 2021, 7 a.m. 16.0 ppb (16) 0.0 ppb (0) N/A 17.0 ppb (17) N/A N/A 25.0 ppb (24) 0.1 ppb (2) N/A N/A 24.0
 
April 15, 2021, 6 a.m. 14.0 ppb (14) 0.0 ppb (0) N/A 15.0 ppb (15) N/A N/A 29.0 ppb (27) 0.2 ppb (3) N/A N/A 27.0
 
April 15, 2021, 5 a.m. 10.0 ppb (10) N/A N/A 10.0 ppb (10) N/A N/A 33.0 ppb (31) 0.1 ppb (2) N/A N/A 31.0
 
April 15, 2021, 4 a.m. 13.0 ppb (13) N/A N/A 13.0 ppb (13) N/A N/A 31.0 ppb (29) 0.2 ppb (3) N/A N/A 29.0
 
April 15, 2021, 3 a.m. 27.0 ppb (26) 0.0 ppb (0) N/A 27.0 ppb (26) N/A 3.0 ppb (5) 27.0 ppb (25) 0.4 ppb (5) N/A N/A 26.0
 
April 15, 2021, 2 a.m. 27.0 ppb (26) 1.0 ppb (1) N/A 26.0 ppb (25) N/A 2.0 ppb (3) 32.0 ppb (30) 0.4 ppb (5) N/A N/A 30.0
 
April 15, 2021, 1 a.m. 23.0 ppb (22) 1.0 ppb (1) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 37.0 ppb (35) 0.4 ppb (5) N/A N/A 35.0
 
April 15, 2021, midnight 24.0 ppb (23) 0.0 ppb (0) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 39.0 ppb (37) 0.4 ppb (5) N/A N/A 37.0
 
April 14, 2021, 11 p.m. 19.0 ppb (18) 0.0 ppb (0) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 49.0 ppb (46) 0.4 ppb (5) N/A N/A 46.0
 
April 14, 2021, 10 p.m. 11.0 ppb (11) N/A N/A 12.0 ppb (12) N/A 2.0 ppb (3) 67.0 ppb (91) 0.2 ppb (3) N/A N/A 91.0
 
April 14, 2021, 9 p.m. 10.0 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (11) N/A 2.0 ppb (3) 64.0 ppb (81) 0.2 ppb (3) N/A N/A 81.0
 
April 14, 2021, 8 p.m. 9.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 57.0 ppb (58) 0.2 ppb (3) N/A N/A 58.0
 
April 14, 2021, 7 p.m. 12.0 ppb (12) 0.0 ppb (0) N/A 12.0 ppb (12) N/A 2.0 ppb (3) 62.0 ppb (74) 0.3 ppb (4) N/A N/A 74.0
 
April 14, 2021, 6 p.m. 31.0 ppb (30) 2.0 ppb (2) N/A 29.0 ppb (28) N/A 3.0 ppb (5) 61.0 ppb (71) 0.6 ppb (7) N/A N/A 71.0
 
April 14, 2021, 5 p.m. 31.0 ppb (30) 4.0 ppb (4) N/A 28.0 ppb (27) N/A 2.0 ppb (3) 47.0 ppb (44) 0.6 ppb (7) N/A N/A 44.0
 
April 14, 2021, 4 p.m. 22.0 ppb (21) 3.0 ppb (3) N/A 20.0 ppb (19) N/A 2.0 ppb (3) 37.0 ppb (35) 0.5 ppb (6) N/A N/A 35.0
 
April 14, 2021, 3 p.m. 78.0 ppb (77) 30.0 ppb (29) N/A 48.0 ppb (46) N/A 3.0 ppb (5) 15.0 ppb (14) 1.3 ppb (15) N/A N/A 77.0
 
April 14, 2021, 2 p.m. 94.0 ppb (94) 47.0 ppb (45) N/A 47.0 ppb (45) N/A 2.0 ppb (3) 6.0 ppb (6) 1.6 ppb (19) N/A N/A 94.0
 
April 14, 2021, 1 p.m. 84.0 ppb (83) 41.0 ppb (39) N/A 43.0 ppb (41) N/A 2.0 ppb (3) 1.0 ppb (1) 1.4 ppb (16) N/A N/A 83.0
 
April 14, 2021, noon 63.0 ppb (61) 21.0 ppb (20) N/A 42.0 ppb (40) N/A 1.0 ppb (2) 3.0 ppb (3) 1.0 ppb (12) N/A N/A 61.0
 
April 14, 2021, 11 a.m. 62.0 ppb (60) 18.0 ppb (17) N/A 44.0 ppb (42) N/A 2.0 ppb (3) 4.0 ppb (4) 0.8 ppb (10) N/A N/A 60.0
 
April 14, 2021, 10 a.m. 21.0 ppb (20) 1.0 ppb (1) N/A 20.0 ppb (19) N/A N/A 23.0 ppb (22) 0.3 ppb (4) N/A N/A 22.0
 
April 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 14, 2021, 5 a.m. 26.0 ppb (25) 1.0 ppb (1) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 26.0 ppb (25) 0.4 ppb (5) N/A N/A 25.0
 
April 14, 2021, 4 a.m. 22.0 ppb (21) 0.0 ppb (0) N/A 22.0 ppb (21) N/A N/A 29.0 ppb (27) 0.4 ppb (5) N/A N/A 27.0
 
April 14, 2021, 3 a.m. 22.0 ppb (21) 0.0 ppb (0) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 29.0 ppb (27) 0.4 ppb (5) N/A N/A 27.0
 
April 14, 2021, 2 a.m. 24.0 ppb (23) 0.0 ppb (0) N/A 23.0 ppb (22) N/A 1.0 ppb (2) 26.0 ppb (25) 0.4 ppb (5) N/A N/A 25.0
 
April 14, 2021, 1 a.m. 19.0 ppb (18) 0.0 ppb (0) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 30.0 ppb (28) 0.4 ppb (5) N/A N/A 28.0
 
April 14, 2021, midnight 24.0 ppb (23) 0.0 ppb (0) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 40.0 ppb (38) 0.4 ppb (5) N/A N/A 38.0
 
April 13, 2021, 11 p.m. 17.0 ppb (17) 0.0 ppb (0) N/A 17.0 ppb (17) N/A 2.0 ppb (3) 49.0 ppb (46) 0.6 ppb (7) N/A N/A 46.0
 
April 13, 2021, 10 p.m. 13.0 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (13) N/A 2.0 ppb (3) 49.0 ppb (46) 0.4 ppb (5) N/A N/A 46.0
 
April 13, 2021, 9 p.m. 14.0 ppb (14) N/A N/A 15.0 ppb (15) N/A N/A 70.0 ppb (100) 0.4 ppb (5) N/A N/A 100.0
 
April 13, 2021, 8 p.m. 11.0 ppb (11) N/A N/A 11.0 ppb (11) N/A 2.0 ppb (3) 66.0 ppb (87) 0.3 ppb (4) N/A N/A 87.0
 
April 13, 2021, 7 p.m. 11.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (12) N/A 3.0 ppb (5) 61.0 ppb (71) 0.3 ppb (4) N/A N/A 71.0
 
April 13, 2021, 6 p.m. 21.0 ppb (20) 1.0 ppb (1) N/A 20.0 ppb (19) N/A 3.0 ppb (5) 58.0 ppb (61) 0.4 ppb (5) N/A N/A 61.0
 
April 13, 2021, 5 p.m. 58.0 ppb (56) 8.0 ppb (8) N/A 50.0 ppb (48) N/A 3.0 ppb (5) 44.0 ppb (41) 0.9 ppb (11) N/A N/A 56.0
 
April 13, 2021, 4 p.m. 90.0 ppb (90) 21.0 ppb (20) N/A 68.0 ppb (66) N/A 3.0 ppb (5) 23.0 ppb (22) 1.4 ppb (16) N/A N/A 90.0
 
April 13, 2021, 3 p.m. 90.0 ppb (90) 38.0 ppb (36) N/A 52.0 ppb (50) N/A 2.0 ppb (3) 13.0 ppb (13) 1.4 ppb (16) N/A N/A 90.0
 
April 13, 2021, 2 p.m. 169.0 ppb (114) 113.0 ppb (104) N/A 55.0 ppb (53) N/A 3.0 ppb (5) 1.0 ppb (1) 2.3 ppb (27) N/A N/A 114.0
 
April 13, 2021, 1 p.m. 151.0 ppb (111) 104.0 ppb (102) N/A 47.0 ppb (45) N/A 3.0 ppb (5) 1.0 ppb (1) 2.2 ppb (25) N/A N/A 111.0
 
April 13, 2021, noon 103.0 ppb (102) 56.0 ppb (54) N/A 47.0 ppb (45) N/A 2.0 ppb (3) 2.0 ppb (2) 1.4 ppb (16) N/A N/A 102.0
 
April 13, 2021, 11 a.m. 23.0 ppb (22) 0.0 ppb (0) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A N/A 22.0
 
April 13, 2021, 10 a.m. 26.0 ppb (25) 1.0 ppb (1) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A N/A 25.0
 
April 13, 2021, 9 a.m. 22.0 ppb (21) 0.0 ppb (0) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 20.0 ppb (19) 0.4 ppb (5) N/A N/A 21.0
 
April 13, 2021, 8 a.m. 22.0 ppb (21) 0.0 ppb (0) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A N/A 21.0
 
April 13, 2021, 7 a.m. 32.0 ppb (31) 1.0 ppb (1) N/A 31.0 ppb (30) N/A 1.0 ppb (2) 19.0 ppb (18) 0.5 ppb (6) N/A N/A 31.0
 
April 13, 2021, 6 a.m. 29.0 ppb (28) 0.0 ppb (0) N/A 29.0 ppb (28) N/A 1.0 ppb (2) 20.0 ppb (19) 0.4 ppb (5) N/A N/A 28.0
 
April 13, 2021, 5 a.m. 25.0 ppb (24) 0.0 ppb (0) N/A 25.0 ppb (24) N/A N/A 23.0 ppb (22) 0.4 ppb (5) N/A N/A 24.0
 
April 13, 2021, 4 a.m. 28.0 ppb (27) 0.0 ppb (0) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 22.0 ppb (21) 0.5 ppb (6) N/A N/A 27.0
 
April 13, 2021, 3 a.m. 25.0 ppb (24) 0.0 ppb (0) N/A 25.0 ppb (24) N/A N/A 25.0 ppb (24) 0.5 ppb (6) N/A N/A 24.0
 
April 13, 2021, 2 a.m. 36.0 ppb (34) 1.0 ppb (1) N/A 35.0 ppb (34) N/A 1.0 ppb (2) 24.0 ppb (23) 0.8 ppb (10) N/A N/A 34.0
 
April 13, 2021, 1 a.m. 17.0 ppb (17) 0.0 ppb (0) N/A 18.0 ppb (17) N/A 2.0 ppb (3) 35.0 ppb (33) 0.5 ppb (6) N/A N/A 33.0
 
April 13, 2021, midnight 18.0 ppb (17) 1.0 ppb (1) N/A 17.0 ppb (17) N/A 2.0 ppb (3) 37.0 ppb (35) 0.5 ppb (6) N/A N/A 35.0
 
April 12, 2021, 11 p.m. 11.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A 4.0 ppb (6) 42.0 ppb (39) 0.5 ppb (6) N/A N/A 39.0
 
April 12, 2021, 10 p.m. 7.0 ppb (7) N/A N/A 8.0 ppb (8) N/A 3.0 ppb (5) 42.0 ppb (39) 0.3 ppb (4) N/A N/A 39.0
 
April 12, 2021, 9 p.m. 6.0 ppb (6) N/A N/A 7.0 ppb (7) N/A 2.0 ppb (3) 41.0 ppb (38) 0.2 ppb (3) N/A N/A 38.0
 
April 12, 2021, 8 p.m. 7.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (8) N/A 2.0 ppb (3) 41.0 ppb (38) 0.2 ppb (3) N/A N/A 38.0
 
April 12, 2021, 7 p.m. 7.0 ppb (7) N/A N/A 7.0 ppb (7) N/A 2.0 ppb (3) 43.0 ppb (40) 0.2 ppb (3) N/A N/A 40.0
 
April 12, 2021, 6 p.m. 24.0 ppb (23) 1.0 ppb (1) N/A 22.0 ppb (21) N/A 2.0 ppb (3) 51.0 ppb (48) 0.5 ppb (6) N/A N/A 48.0
 
April 12, 2021, 5 p.m. 33.0 ppb (32) 4.0 ppb (4) N/A 29.0 ppb (28) N/A 2.0 ppb (3) 42.0 ppb (39) 0.6 ppb (7) N/A N/A 39.0
 
April 12, 2021, 4 p.m. 45.0 ppb (43) 10.0 ppb (10) N/A 35.0 ppb (34) N/A 2.0 ppb (3) 27.0 ppb (25) 0.6 ppb (7) N/A N/A 43.0
 
April 12, 2021, 3 p.m. 88.0 ppb (88) 38.0 ppb (36) N/A 49.0 ppb (47) N/A 2.0 ppb (3) 12.0 ppb (12) 1.3 ppb (15) N/A N/A 88.0
 
April 12, 2021, 2 p.m. 111.0 ppb (103) 64.0 ppb (62) N/A 47.0 ppb (45) N/A 3.0 ppb (5) 4.0 ppb (4) 1.7 ppb (20) N/A N/A 103.0
 
April 12, 2021, 1 p.m. 75.0 ppb (74) 34.0 ppb (33) N/A 41.0 ppb (39) N/A 2.0 ppb (3) 4.0 ppb (4) 1.0 ppb (12) N/A N/A 74.0
 
April 12, 2021, noon 69.0 ppb (67) 30.0 ppb (29) N/A 39.0 ppb (37) N/A N/A 1.0 ppb (1) 0.9 ppb (11) N/A N/A 67.0
 
April 12, 2021, 11 a.m. 61.0 ppb (59) 21.0 ppb (20) N/A 40.0 ppb (38) N/A 2.0 ppb (3) 1.0 ppb (1) 0.8 ppb (10) N/A N/A 59.0
 
April 12, 2021, 10 a.m. 28.0 ppb (27) 5.0 ppb (5) N/A 23.0 ppb (22) N/A 1.0 ppb (2) 17.0 ppb (16) 0.4 ppb (5) N/A N/A 27.0
 
April 12, 2021, 9 a.m. 35.0 ppb (34) 1.0 ppb (1) N/A 34.0 ppb (33) N/A 2.0 ppb (3) 8.0 ppb (8) 0.6 ppb (7) N/A N/A 34.0
 
April 12, 2021, 8 a.m. 17.0 ppb (17) 0.0 ppb (0) N/A 18.0 ppb (17) N/A 2.0 ppb (3) 21.0 ppb (20) 0.4 ppb (5) N/A N/A 20.0
 
April 12, 2021, 7 a.m. 18.0 ppb (17) 0.0 ppb (0) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 21.0 ppb (20) 0.4 ppb (5) N/A N/A 20.0
 
April 12, 2021, 6 a.m. 20.0 ppb (19) 0.0 ppb (0) N/A 20.0 ppb (19) N/A N/A 22.0 ppb (21) 0.4 ppb (5) N/A N/A 21.0
 
April 12, 2021, 5 a.m. 23.0 ppb (22) 0.0 ppb (0) N/A 23.0 ppb (22) N/A 2.0 ppb (3) 23.0 ppb (22) 0.5 ppb (6) N/A N/A 22.0
 
April 12, 2021, 4 a.m. 33.0 ppb (32) 5.0 ppb (5) N/A 29.0 ppb (28) N/A 2.0 ppb (3) 23.0 ppb (22) 0.4 ppb (5) N/A N/A 32.0
 
April 12, 2021, 3 a.m. 22.0 ppb (21) 1.0 ppb (1) N/A 21.0 ppb (20) N/A 2.0 ppb (3) 27.0 ppb (25) 0.5 ppb (6) N/A N/A 25.0
 
April 12, 2021, 2 a.m. 19.0 ppb (18) 0.0 ppb (0) N/A 18.0 ppb (17) N/A 2.0 ppb (3) 34.0 ppb (32) 0.6 ppb (7) N/A N/A 32.0
 
April 12, 2021, 1 a.m. 17.0 ppb (17) 1.0 ppb (1) N/A 16.0 ppb (16) N/A 2.0 ppb (3) 39.0 ppb (37) 0.6 ppb (7) N/A N/A 37.0
 
April 12, 2021, midnight 13.0 ppb (13) 0.0 ppb (0) N/A 12.0 ppb (12) N/A 2.0 ppb (3) 43.0 ppb (40) 0.5 ppb (6) N/A N/A 40.0
 
April 11, 2021, 11 p.m. 11.0 ppb (11) 0.0 ppb (0) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 44.0 ppb (41) 0.3 ppb (4) N/A N/A 41.0
 
April 11, 2021, 10 p.m. 12.0 ppb (12) 0.0 ppb (0) N/A 12.0 ppb (12) N/A 3.0 ppb (5) 46.0 ppb (43) 0.4 ppb (5) N/A N/A 43.0
 
April 11, 2021, 9 p.m. 8.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (9) N/A 2.0 ppb (3) 47.0 ppb (44) 0.2 ppb (3) N/A N/A 44.0
 
April 11, 2021, 8 p.m. 6.0 ppb (6) N/A N/A 7.0 ppb (7) N/A 3.0 ppb (5) 47.0 ppb (44) 0.2 ppb (3) N/A N/A 44.0
 
April 11, 2021, 7 p.m. 14.0 ppb (14) 0.0 ppb (0) N/A 14.0 ppb (14) N/A 3.0 ppb (5) 59.0 ppb (65) 0.3 ppb (4) N/A N/A 65.0
 
April 11, 2021, 6 p.m. 29.0 ppb (28) 2.0 ppb (2) N/A 27.0 ppb (26) N/A 3.0 ppb (5) 58.0 ppb (61) 0.5 ppb (6) N/A N/A 61.0
 
April 11, 2021, 5 p.m. 36.0 ppb (34) 4.0 ppb (4) N/A 32.0 ppb (31) N/A 2.0 ppb (3) 46.0 ppb (43) 0.6 ppb (7) N/A N/A 43.0
 
April 11, 2021, 4 p.m. 56.0 ppb (54) 12.0 ppb (12) N/A 45.0 ppb (43) N/A 2.0 ppb (3) 29.0 ppb (27) 0.8 ppb (10) N/A N/A 54.0
 
April 11, 2021, 3 p.m. 121.0 ppb (105) 57.0 ppb (55) N/A 64.0 ppb (62) N/A 3.0 ppb (5) 8.0 ppb (8) 1.6 ppb (19) N/A N/A 105.0
 
April 11, 2021, 2 p.m. 110.0 ppb (103) 62.0 ppb (60) N/A 48.0 ppb (46) N/A 2.0 ppb (3) 3.0 ppb (3) 1.6 ppb (19) N/A N/A 103.0
 
April 11, 2021, 1 p.m. 101.0 ppb (101) 57.0 ppb (55) N/A 43.0 ppb (41) N/A 2.0 ppb (3) 1.0 ppb (1) 1.9 ppb (22) N/A N/A 101.0
 
April 11, 2021, noon 71.0 ppb (70) 29.0 ppb (28) N/A 42.0 ppb (40) N/A 2.0 ppb (3) 3.0 ppb (3) 1.1 ppb (13) N/A N/A 70.0
 
April 11, 2021, 11 a.m. 16.0 ppb (16) 2.0 ppb (2) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 22.0 ppb (21) 0.3 ppb (4) N/A N/A 21.0
 
April 11, 2021, 10 a.m. 6.0 ppb (6) N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 28.0 ppb (26) 0.1 ppb (2) N/A N/A 26.0
 
April 11, 2021, 9 a.m. 6.0 ppb (6) N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 29.0 ppb (27) 0.1 ppb (2) N/A N/A 27.0
 
April 11, 2021, 8 a.m. 8.0 ppb (8) N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 28.0 ppb (26) 0.1 ppb (2) N/A N/A 26.0
 
April 11, 2021, 7 a.m. 9.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 30.0 ppb (28) 0.2 ppb (3) N/A N/A 28.0
 
April 11, 2021, 6 a.m. 13.0 ppb (13) 0.0 ppb (0) N/A 14.0 ppb (14) N/A 2.0 ppb (3) 32.0 ppb (30) 0.3 ppb (4) N/A N/A 30.0