ID: 130

AQSQID: 060250005

Site Name: Calexico - Ethel Street

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

Updated: Dec. 5, 2020, 10:41 a.m.

Location: Calexico (Andrade Ave), CA

Reporting: True, Located: True

Current AQI: 62.0

Calexico (Andrade Ave) CA, US: 32.67618, -115.48307

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 5, 2020, 9 a.m. 31.7 ppb (30) 7.5 ppb (8) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 4.0 ppb (4) 0.45 ppb (6) 47.0 μg/m3 (44) 17.0 μg/m3 (62) 62.0
 
Dec. 5, 2020, 8 a.m. 73.8 ppb (73) 44.0 ppb (42) N/A 30.0 ppb (29) N/A 1.0 ppb (2) 2.0 ppb (2) 1.06 ppb (13) 76.6 μg/m3 (62) 28.0 μg/m3 (85) 85.0
 
Dec. 5, 2020, 7 a.m. N/A N/A N/A 36.0 ppb (34) N/A 1.0 ppb (2) 1.0 ppb (1) 2.1 ppb (24) 134.8 μg/m3 (91) 60.0 μg/m3 (154) 154.0
 
Dec. 5, 2020, 6 a.m. N/A N/A N/A 40.0 ppb (38) N/A 2.0 ppb (3) 2.0 ppb (2) 2.27 ppb (27) 161.7 μg/m3 (105) 72.0 μg/m3 (160) 160.0
 
Dec. 5, 2020, 5 a.m. 345.2 ppb (148) 301.1 ppb (139) N/A 44.0 ppb (42) N/A 3.0 ppb (5) 3.0 ppb (3) 4.13 ppb (47) 227.2 μg/m3 (137) 82.0 μg/m3 (165) 165.0
 
Dec. 5, 2020, 4 a.m. N/A N/A N/A 47.0 ppb (45) N/A 3.0 ppb (5) 4.0 ppb (4) 3.8 ppb (44) 239.1 μg/m3 (143) 74.0 μg/m3 (161) 161.0
 
Dec. 5, 2020, 3 a.m. N/A N/A N/A 44.0 ppb (42) N/A 2.0 ppb (3) 3.0 ppb (3) 3.06 ppb (36) 232.9 μg/m3 (140) 50.0 μg/m3 (137) 140.0
 
Dec. 5, 2020, 2 a.m. 112.1 ppb (104) 69.6 ppb (68) N/A 43.0 ppb (41) N/A 1.0 ppb (2) 1.0 ppb (1) 1.25 ppb (14) 123.5 μg/m3 (85) 15.0 μg/m3 (58) 104.0
 
Dec. 5, 2020, 1 a.m. 45.9 ppb (44) 14.1 ppb (14) N/A 32.0 ppb (31) N/A 0.0 ppb (0) 12.0 ppb (12) 0.55 ppb (7) 60.5 μg/m3 (54) 8.0 μg/m3 (34) 54.0
 
Dec. 5, 2020, midnight 18.8 ppb (18) 4.3 ppb (5) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 30.0 ppb (28) 0.25 ppb (3) 39.8 μg/m3 (37) 4.0 μg/m3 (17) 37.0
 
Dec. 4, 2020, 11 p.m. 18.4 ppb (18) 6.5 ppb (7) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 37.0 ppb (35) 0.23 ppb (3) 23.6 μg/m3 (22) 4.0 μg/m3 (17) 35.0
 
Dec. 4, 2020, 10 p.m. 14.0 ppb (14) 6.8 ppb (7) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 41.0 ppb (38) 0.16 ppb (3) 19.4 μg/m3 (18) 3.0 μg/m3 (13) 38.0
 
Dec. 4, 2020, 9 p.m. 9.7 ppb (10) 4.7 ppb (5) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (39) 0.15 ppb (2) 18.1 μg/m3 (17) 3.0 μg/m3 (13) 39.0
 
Dec. 4, 2020, 8 p.m. 18.9 ppb (18) 9.3 ppb (9) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 39.0 ppb (37) 0.2 ppb (3) 16.6 μg/m3 (16) 1.0 μg/m3 (5) 37.0
 
Dec. 4, 2020, 7 p.m. 11.4 ppb (11) 5.5 ppb (6) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (37) 0.16 ppb (3) 14.0 μg/m3 (13) 1.0 μg/m3 (5) 37.0
 
Dec. 4, 2020, 6 p.m. 13.9 ppb (14) 6.2 ppb (6) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 33.0 ppb (31) 0.18 ppb (3) 18.9 μg/m3 (18) 2.0 μg/m3 (9) 31.0
 
Dec. 4, 2020, 5 p.m. 30.2 ppb (29) 14.4 ppb (14) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 22.0 ppb (21) 0.29 ppb (4) 40.0 μg/m3 (38) 3.0 μg/m3 (13) 38.0
 
Dec. 4, 2020, 4 p.m. 40.8 ppb (39) 20.2 ppb (20) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 13.0 ppb (13) 0.34 ppb (4) 53.8 μg/m3 (50) 7.0 μg/m3 (30) 50.0
 
Dec. 4, 2020, 3 p.m. 68.6 ppb (67) 44.0 ppb (42) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 4.0 ppb (4) 0.62 ppb (7) 78.1 μg/m3 (63) 12.0 μg/m3 (50) 67.0
 
Dec. 4, 2020, 2 p.m. 59.6 ppb (57) 35.4 ppb (34) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 1.0 ppb (1) 0.58 ppb (7) 52.7 μg/m3 (49) 5.0 μg/m3 (21) 57.0
 
Dec. 4, 2020, 1 p.m. 55.2 ppb (53) 31.1 ppb (30) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 1.0 ppb (1) 0.52 ppb (6) 38.2 μg/m3 (36) 4.0 μg/m3 (17) 53.0
 
Dec. 4, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 26.6 μg/m3 (25) 3.0 μg/m3 (13) 25.0
 
Dec. 4, 2020, 11 a.m. 24.1 ppb (23) 8.7 ppb (9) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 9.0 ppb (9) 0.26 ppb (4) 21.5 μg/m3 (20) 4.0 μg/m3 (17) 23.0
 
Dec. 4, 2020, 10 a.m. 16.2 ppb (16) 4.2 ppb (4) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 12.0 ppb (12) 0.24 ppb (3) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Dec. 4, 2020, 9 a.m. 12.2 ppb (12) 3.5 ppb (4) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (20) 0.21 ppb (3) 12.6 μg/m3 (12) 4.0 μg/m3 (17) 20.0
 
Dec. 4, 2020, 8 a.m. 7.7 ppb (8) 2.6 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (24) 0.14 ppb (2) 15.4 μg/m3 (15) 3.0 μg/m3 (13) 24.0
 
Dec. 4, 2020, 7 a.m. 8.3 ppb (8) 2.5 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (24) 0.17 ppb (3) 19.9 μg/m3 (19) 4.0 μg/m3 (17) 24.0
 
Dec. 4, 2020, 6 a.m. 9.6 ppb (10) 3.1 ppb (3) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (24) 0.16 ppb (3) 22.7 μg/m3 (22) 5.0 μg/m3 (21) 24.0
 
Dec. 4, 2020, 5 a.m. 14.2 ppb (14) 4.7 ppb (5) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 23.0 ppb (22) 0.2 ppb (3) 32.4 μg/m3 (30) 2.0 μg/m3 (9) 30.0
 
Dec. 4, 2020, 4 a.m. 19.7 ppb (19) 4.3 ppb (5) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 20.0 ppb (19) 0.23 ppb (3) 26.0 μg/m3 (25) 1.0 μg/m3 (5) 25.0
 
Dec. 4, 2020, 3 a.m. 25.4 ppb (24) 8.5 ppb (9) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 21.0 ppb (20) 0.19 ppb (3) 36.3 μg/m3 (34) 1.0 μg/m3 (5) 34.0
 
Dec. 4, 2020, 2 a.m. 29.3 ppb (28) 8.6 ppb (9) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 17.0 ppb (16) 0.22 ppb (3) 42.6 μg/m3 (40) 5.0 μg/m3 (21) 40.0
 
Dec. 4, 2020, 1 a.m. 43.3 ppb (41) 14.7 ppb (14) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 9.0 ppb (9) 0.31 ppb (4) 109.0 μg/m3 (78) 8.0 μg/m3 (34) 78.0
 
Dec. 4, 2020, midnight 22.5 ppb (22) 7.4 ppb (7) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 23.0 ppb (22) 0.22 ppb (3) 51.8 μg/m3 (48) 4.0 μg/m3 (17) 48.0
 
Dec. 3, 2020, 11 p.m. 15.4 ppb (15) 7.4 ppb (7) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 35.0 ppb (33) 0.16 ppb (3) 19.4 μg/m3 (18) 4.0 μg/m3 (17) 33.0
 
Dec. 3, 2020, 10 p.m. 14.8 ppb (14) 8.8 ppb (9) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) 14.1 μg/m3 (14) 1.0 μg/m3 (5) 35.0
 
Dec. 3, 2020, 9 p.m. 15.2 ppb (15) 8.4 ppb (8) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) 14.0 μg/m3 (13) -2.0 μg/m3 (0) 35.0
 
Dec. 3, 2020, 8 p.m. 13.0 ppb (13) 6.8 ppb (7) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (35) 0.2 ppb (3) 19.2 μg/m3 (18) 0.0 μg/m3 (0) 35.0
 
Dec. 3, 2020, 7 p.m. 10.8 ppb (11) 5.4 ppb (6) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (34) 0.14 ppb (2) 20.5 μg/m3 (19) 2.0 μg/m3 (9) 34.0
 
Dec. 3, 2020, 6 p.m. 12.3 ppb (12) 6.7 ppb (7) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (31) 0.22 ppb (3) 29.3 μg/m3 (28) 2.0 μg/m3 (9) 31.0
 
Dec. 3, 2020, 5 p.m. 12.3 ppb (12) 6.5 ppb (7) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) 35.7 μg/m3 (34) 2.0 μg/m3 (9) 34.0
 
Dec. 3, 2020, 4 p.m. 13.7 ppb (13) 6.6 ppb (7) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) 32.6 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
Dec. 3, 2020, 3 p.m. 15.0 ppb (15) 7.5 ppb (8) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 28.0 ppb (26) 0.17 ppb (3) 27.3 μg/m3 (26) 4.0 μg/m3 (17) 26.0
 
Dec. 3, 2020, 2 p.m. 11.0 ppb (11) 4.3 ppb (5) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (25) 0.16 ppb (3) 18.0 μg/m3 (17) 3.0 μg/m3 (13) 25.0
 
Dec. 3, 2020, 1 p.m. 22.8 ppb (22) 9.2 ppb (9) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 15.0 ppb (14) 0.25 ppb (3) 35.2 μg/m3 (33) 4.0 μg/m3 (17) 33.0
 
Dec. 3, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 32.1 μg/m3 (30) 4.0 μg/m3 (17) 30.0
 
Dec. 3, 2020, 11 a.m. 11.0 ppb (11) 3.9 ppb (4) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (22) 0.25 ppb (3) 24.7 μg/m3 (23) 3.0 μg/m3 (13) 23.0
 
Dec. 3, 2020, 10 a.m. 6.7 ppb (7) 2.5 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.12 ppb (2) 16.9 μg/m3 (16) 2.0 μg/m3 (9) 28.0
 
Dec. 3, 2020, 9 a.m. 5.5 ppb (6) 2.6 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) 0.11 ppb (2) 14.1 μg/m3 (14) 1.0 μg/m3 (5) 33.0
 
Dec. 3, 2020, 8 a.m. 6.5 ppb (7) 2.8 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (29) 0.17 ppb (3) 19.1 μg/m3 (18) 4.0 μg/m3 (17) 29.0
 
Dec. 3, 2020, 7 a.m. 8.3 ppb (8) 3.1 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (25) 0.15 ppb (2) 28.0 μg/m3 (26) 7.0 μg/m3 (30) 30.0
 
Dec. 3, 2020, 6 a.m. 8.9 ppb (9) 2.5 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (25) 0.14 ppb (2) 29.4 μg/m3 (28) 5.0 μg/m3 (21) 28.0
 
Dec. 3, 2020, 5 a.m. 8.6 ppb (9) 3.1 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) 0.15 ppb (2) 19.9 μg/m3 (19) 3.0 μg/m3 (13) 30.0
 
Dec. 3, 2020, 4 a.m. 10.5 ppb (10) 3.8 ppb (4) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (28) 0.17 ppb (3) 24.3 μg/m3 (23) 4.0 μg/m3 (17) 28.0
 
Dec. 3, 2020, 3 a.m. 21.4 ppb (21) 7.0 ppb (7) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 23.0 ppb (22) 0.23 ppb (3) 57.8 μg/m3 (53) 6.0 μg/m3 (25) 53.0
 
Dec. 3, 2020, 2 a.m. 29.3 ppb (28) 10.0 ppb (10) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 18.0 ppb (17) 0.25 ppb (3) 45.8 μg/m3 (43) 5.0 μg/m3 (21) 43.0
 
Dec. 3, 2020, 1 a.m. 35.0 ppb (34) 16.8 ppb (16) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 19.0 ppb (18) 0.33 ppb (4) 40.9 μg/m3 (38) 4.0 μg/m3 (17) 38.0
 
Dec. 3, 2020, midnight 21.8 ppb (21) 8.7 ppb (9) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 29.0 ppb (27) 0.25 ppb (3) 52.0 μg/m3 (49) 5.0 μg/m3 (21) 49.0
 
Dec. 2, 2020, 11 p.m. 16.8 ppb (16) 6.8 ppb (7) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 36.0 ppb (34) 0.23 ppb (3) N/A N/A 34.0
 
Dec. 2, 2020, 10 p.m. 12.0 ppb (12) 5.9 ppb (6) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (39) 0.15 ppb (2) 22.1 μg/m3 (21) 0.0 μg/m3 (0) 39.0
 
Dec. 2, 2020, 9 p.m. 14.6 ppb (14) 8.4 ppb (8) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (40) 0.17 ppb (3) 23.6 μg/m3 (22) 1.0 μg/m3 (5) 40.0
 
Dec. 2, 2020, 8 p.m. 10.9 ppb (11) 6.5 ppb (7) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (40) 0.2 ppb (3) 29.7 μg/m3 (28) 2.0 μg/m3 (9) 40.0
 
Dec. 2, 2020, 7 p.m. 11.6 ppb (11) 6.1 ppb (6) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (40) 0.18 ppb (3) 30.9 μg/m3 (29) 1.0 μg/m3 (5) 40.0
 
Dec. 2, 2020, 6 p.m. 12.3 ppb (12) 6.8 ppb (7) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (38) 0.15 ppb (2) 58.3 μg/m3 (53) 4.0 μg/m3 (17) 53.0
 
Dec. 2, 2020, 5 p.m. 17.5 ppb (17) 8.0 ppb (8) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 30.0 ppb (28) 0.21 ppb (3) 53.2 μg/m3 (50) 9.0 μg/m3 (38) 50.0
 
Dec. 2, 2020, 4 p.m. 61.7 ppb (60) 35.3 ppb (34) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 12.0 ppb (12) 0.68 ppb (8) 116.0 μg/m3 (82) 24.0 μg/m3 (77) 82.0
 
Dec. 2, 2020, 3 p.m. 120.3 ppb (105) 88.6 ppb (88) N/A 31.0 ppb (30) N/A 1.0 ppb (2) 2.0 ppb (2) 1.02 ppb (12) 166.4 μg/m3 (107) 29.0 μg/m3 (87) 107.0
 
Dec. 2, 2020, 2 p.m. 78.3 ppb (77) 50.1 ppb (48) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 1.0 ppb (1) 1.11 ppb (13) 66.4 μg/m3 (57) 12.0 μg/m3 (50) 77.0
 
Dec. 2, 2020, 1 p.m. 48.2 ppb (46) 24.3 ppb (23) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 3.0 ppb (3) 0.52 ppb (6) 41.8 μg/m3 (39) 5.0 μg/m3 (21) 46.0
 
Dec. 2, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 32.2 μg/m3 (30) 9.0 μg/m3 (38) 38.0
 
Dec. 2, 2020, 11 a.m. 32.9 ppb (32) 13.5 ppb (13) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 4.0 ppb (4) 0.34 ppb (4) 36.2 μg/m3 (34) 11.0 μg/m3 (46) 46.0
 
Dec. 2, 2020, 10 a.m. 21.1 ppb (20) 4.8 ppb (5) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 7.0 ppb (7) 0.28 ppb (4) 21.3 μg/m3 (20) 8.0 μg/m3 (34) 34.0
 
Dec. 2, 2020, 9 a.m. 18.9 ppb (18) 4.5 ppb (5) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 8.0 ppb (8) 0.27 ppb (4) 27.2 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
Dec. 2, 2020, 8 a.m. 12.6 ppb (12) 2.6 ppb (3) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 15.0 ppb (14) 0.24 ppb (3) 27.5 μg/m3 (26) 7.0 μg/m3 (30) 30.0
 
Dec. 2, 2020, 7 a.m. 50.9 ppb (49) 24.5 ppb (24) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 2.0 ppb (2) 0.7 ppb (8) 113.1 μg/m3 (80) 38.0 μg/m3 (108) 108.0
 
Dec. 2, 2020, 6 a.m. 72.4 ppb (71) 42.3 ppb (40) N/A 30.0 ppb (29) N/A 1.0 ppb (2) 1.0 ppb (1) 0.83 ppb (10) 122.4 μg/m3 (85) 16.0 μg/m3 (60) 85.0
 
Dec. 2, 2020, 5 a.m. 59.0 ppb (57) 27.3 ppb (26) N/A 32.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) 0.58 ppb (7) 89.2 μg/m3 (68) 12.0 μg/m3 (50) 68.0
 
Dec. 2, 2020, 4 a.m. 46.2 ppb (44) 14.4 ppb (14) N/A 32.0 ppb (31) N/A 0.0 ppb (0) 3.0 ppb (3) 0.44 ppb (5) 67.0 μg/m3 (57) 9.0 μg/m3 (38) 57.0
 
Dec. 2, 2020, 3 a.m. 115.4 ppb (104) 75.7 ppb (75) N/A 40.0 ppb (38) N/A 1.0 ppb (2) 1.0 ppb (1) 1.24 ppb (14) 132.4 μg/m3 (90) 17.0 μg/m3 (62) 104.0
 
Dec. 2, 2020, 2 a.m. 88.7 ppb (88) 47.2 ppb (45) N/A 42.0 ppb (40) N/A 1.0 ppb (2) 1.0 ppb (1) 1.08 ppb (13) 178.0 μg/m3 (113) 12.0 μg/m3 (50) 113.0
 
Dec. 2, 2020, 1 a.m. 58.1 ppb (56) 21.5 ppb (21) N/A 37.0 ppb (35) N/A 0.0 ppb (0) 4.0 ppb (4) 0.55 ppb (7) 121.6 μg/m3 (84) 9.0 μg/m3 (38) 84.0
 
Dec. 2, 2020, midnight 39.3 ppb (38) 11.8 ppb (12) N/A 28.0 ppb (27) N/A 0.0 ppb (0) 15.0 ppb (14) 0.32 ppb (4) 49.0 μg/m3 (46) 2.0 μg/m3 (9) 46.0
 
Dec. 1, 2020, 11 p.m. 10.9 ppb (11) 3.2 ppb (4) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 38.0 ppb (36) 0.14 ppb (2) N/A N/A 36.0
 
Dec. 1, 2020, 10 p.m. 10.3 ppb (10) 4.2 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (38) 0.12 ppb (2) 27.8 μg/m3 (26) 1.0 μg/m3 (5) 38.0
 
Dec. 1, 2020, 9 p.m. 9.7 ppb (10) 4.1 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (38) 0.15 ppb (2) 23.7 μg/m3 (22) 3.0 μg/m3 (13) 38.0
 
Dec. 1, 2020, 8 p.m. 11.2 ppb (11) 4.5 ppb (5) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 37.0 ppb (35) 0.19 ppb (3) 16.7 μg/m3 (16) 2.0 μg/m3 (9) 35.0
 
Dec. 1, 2020, 7 p.m. 10.2 ppb (10) 4.7 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (34) 0.14 ppb (2) 27.8 μg/m3 (26) 1.0 μg/m3 (5) 34.0
 
Dec. 1, 2020, 6 p.m. 14.9 ppb (15) 6.9 ppb (7) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (28) 0.17 ppb (3) 36.6 μg/m3 (34) 3.0 μg/m3 (13) 34.0
 
Dec. 1, 2020, 5 p.m. 19.8 ppb (19) 9.1 ppb (9) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 24.0 ppb (23) 0.2 ppb (3) 42.8 μg/m3 (40) 5.0 μg/m3 (21) 40.0
 
Dec. 1, 2020, 4 p.m. 32.4 ppb (31) 14.9 ppb (15) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 17.0 ppb (16) 0.32 ppb (4) 41.5 μg/m3 (39) 6.0 μg/m3 (25) 39.0
 
Dec. 1, 2020, 3 p.m. 57.2 ppb (55) 35.7 ppb (34) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 4.0 ppb (4) 0.65 ppb (8) 66.5 μg/m3 (57) 5.0 μg/m3 (21) 57.0
 
Dec. 1, 2020, 2 p.m. 59.7 ppb (58) 36.0 ppb (34) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 1.0 ppb (1) 0.61 ppb (7) 62.2 μg/m3 (55) 4.0 μg/m3 (17) 58.0
 
Dec. 1, 2020, 1 p.m. 51.1 ppb (49) 26.1 ppb (25) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 1.0 ppb (1) 0.51 ppb (6) 47.7 μg/m3 (45) 4.0 μg/m3 (17) 49.0
 
Dec. 1, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 27.6 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
Dec. 1, 2020, 11 a.m. 15.4 ppb (15) 2.5 ppb (3) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 11.0 ppb (11) 0.21 ppb (3) 19.5 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2020, 10 a.m. 17.5 ppb (17) 4.2 ppb (4) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 8.0 ppb (8) 0.2 ppb (3) 35.0 μg/m3 (33) 8.0 μg/m3 (34) 34.0
 
Dec. 1, 2020, 9 a.m. 23.8 ppb (23) 6.9 ppb (7) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 6.0 ppb (6) 0.28 ppb (4) 40.1 μg/m3 (38) 13.0 μg/m3 (53) 53.0
 
Dec. 1, 2020, 8 a.m. 44.0 ppb (42) 18.5 ppb (18) N/A 26.0 ppb (25) N/A 0.0 ppb (0) 1.0 ppb (1) 0.53 ppb (6) 91.4 μg/m3 (70) 16.0 μg/m3 (60) 70.0
 
Dec. 1, 2020, 7 a.m. 17.9 ppb (17) 2.7 ppb (3) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 11.0 ppb (11) 0.26 ppb (4) 53.1 μg/m3 (50) 11.0 μg/m3 (46) 50.0
 
Dec. 1, 2020, 6 a.m. 39.0 ppb (37) 10.8 ppb (11) N/A 28.0 ppb (27) N/A 0.0 ppb (0) 4.0 ppb (4) 0.34 ppb (4) 59.2 μg/m3 (54) 14.0 μg/m3 (55) 55.0
 
Dec. 1, 2020, 5 a.m. 60.8 ppb (59) 28.2 ppb (27) N/A 33.0 ppb (32) N/A 0.0 ppb (0) 1.0 ppb (1) 0.68 ppb (8) 109.9 μg/m3 (79) 17.0 μg/m3 (62) 79.0
 
Dec. 1, 2020, 4 a.m. 51.9 ppb (49) 19.3 ppb (19) N/A 33.0 ppb (32) N/A 0.0 ppb (0) 2.0 ppb (2) 0.53 ppb (6) 81.6 μg/m3 (65) 11.0 μg/m3 (46) 65.0
 
Dec. 1, 2020, 3 a.m. 87.1 ppb (87) 47.2 ppb (45) N/A 40.0 ppb (38) N/A 1.0 ppb (2) 1.0 ppb (1) 0.87 ppb (11) 92.7 μg/m3 (70) 12.0 μg/m3 (50) 87.0
 
Dec. 1, 2020, 2 a.m. 61.9 ppb (60) 19.8 ppb (19) N/A 42.0 ppb (40) N/A 0.0 ppb (0) 1.0 ppb (1) 0.55 ppb (7) 60.9 μg/m3 (54) 9.0 μg/m3 (38) 60.0
 
Dec. 1, 2020, 1 a.m. 43.7 ppb (42) 7.9 ppb (8) N/A 36.0 ppb (34) N/A 0.0 ppb (0) 7.0 ppb (7) 0.39 ppb (5) 61.4 μg/m3 (55) 4.0 μg/m3 (17) 55.0
 
Dec. 1, 2020, midnight 31.2 ppb (30) 8.1 ppb (8) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 21.0 ppb (20) 0.26 ppb (4) 53.9 μg/m3 (50) 2.0 μg/m3 (9) 50.0
 
Nov. 30, 2020, 11 p.m. 15.7 ppb (15) 6.3 ppb (6) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 35.0 ppb (33) 0.21 ppb (3) 23.7 μg/m3 (22) 2.0 μg/m3 (9) 33.0
 
Nov. 30, 2020, 10 p.m. 11.0 ppb (11) 5.0 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (38) 0.15 ppb (2) 18.7 μg/m3 (18) 0.0 μg/m3 (0) 38.0
 
Nov. 30, 2020, 9 p.m. 16.9 ppb (16) 9.1 ppb (9) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) 19.9 μg/m3 (19) 0.0 μg/m3 (0) 35.0
 
Nov. 30, 2020, 8 p.m. 14.2 ppb (14) 5.8 ppb (6) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 36.0 ppb (34) 0.2 ppb (3) 21.5 μg/m3 (20) -2.0 μg/m3 (0) 34.0
 
Nov. 30, 2020, 7 p.m. 13.0 ppb (13) 6.8 ppb (7) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (31) 0.19 ppb (3) 12.6 μg/m3 (12) 3.0 μg/m3 (13) 31.0
 
Nov. 30, 2020, 6 p.m. 15.6 ppb (15) 7.9 ppb (8) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 28.0 ppb (26) 0.17 ppb (3) 25.9 μg/m3 (24) 8.0 μg/m3 (34) 34.0
 
Nov. 30, 2020, 5 p.m. 15.1 ppb (15) 7.6 ppb (8) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (24) 0.18 ppb (3) 48.4 μg/m3 (45) 8.0 μg/m3 (34) 45.0
 
Nov. 30, 2020, 4 p.m. 33.4 ppb (32) 16.3 ppb (16) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 14.0 ppb (13) 0.35 ppb (4) 52.4 μg/m3 (49) N/A 49.0
 
Nov. 30, 2020, 3 p.m. 37.5 ppb (36) 19.6 ppb (19) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 6.0 ppb (6) 0.51 ppb (6) N/A N/A 36.0
 
Nov. 30, 2020, 2 p.m. 58.5 ppb (56) 35.9 ppb (34) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 1.0 ppb (1) 0.56 ppb (7) 57.5 μg/m3 (53) 7.0 μg/m3 (30) 56.0
 
Nov. 30, 2020, 1 p.m. 39.5 ppb (38) 18.0 ppb (17) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 3.0 ppb (3) 0.36 ppb (5) 37.7 μg/m3 (35) 3.0 μg/m3 (13) 38.0
 
Nov. 30, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 25.1 μg/m3 (24) 3.0 μg/m3 (13) 24.0
 
Nov. 30, 2020, 11 a.m. 21.9 ppb (21) 7.9 ppb (8) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 13.0 ppb (13) 0.27 ppb (4) 18.7 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
Nov. 30, 2020, 10 a.m. 11.3 ppb (11) 2.5 ppb (3) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 16.0 ppb (15) 0.17 ppb (3) 11.5 μg/m3 (11) 1.0 μg/m3 (5) 15.0
 
Nov. 30, 2020, 9 a.m. 9.1 ppb (9) 3.7 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (23) 0.14 ppb (2) 21.3 μg/m3 (20) -1.0 μg/m3 (0) 23.0
 
Nov. 30, 2020, 8 a.m. 7.5 ppb (8) 2.6 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) 0.14 ppb (2) 13.0 μg/m3 (13) 0.0 μg/m3 (0) 25.0
 
Nov. 30, 2020, 7 a.m. 11.1 ppb (11) 3.8 ppb (4) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (22) 0.18 ppb (3) 22.1 μg/m3 (21) 4.0 μg/m3 (17) 22.0
 
Nov. 30, 2020, 6 a.m. 31.0 ppb (30) 10.2 ppb (10) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 8.0 ppb (8) 0.31 ppb (4) 48.9 μg/m3 (46) 8.0 μg/m3 (34) 46.0
 
Nov. 30, 2020, 5 a.m. 42.6 ppb (41) 14.7 ppb (14) N/A 28.0 ppb (27) N/A 0.0 ppb (0) 2.0 ppb (2) 0.57 ppb (7) 68.2 μg/m3 (58) 11.0 μg/m3 (46) 58.0
 
Nov. 30, 2020, 4 a.m. 71.3 ppb (70) 39.5 ppb (38) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 1.0 ppb (1) 0.92 ppb (11) 89.9 μg/m3 (69) 19.0 μg/m3 (66) 70.0
 
Nov. 30, 2020, 3 a.m. 56.6 ppb (54) 25.4 ppb (24) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 1.0 ppb (1) 0.77 ppb (10) 73.7 μg/m3 (61) 18.0 μg/m3 (64) 64.0
 
Nov. 30, 2020, 2 a.m. 65.4 ppb (64) 33.3 ppb (32) N/A 32.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) 1.0 ppb (12) 104.5 μg/m3 (76) 11.0 μg/m3 (46) 76.0
 
Nov. 30, 2020, 1 a.m. 32.1 ppb (31) 10.0 ppb (10) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 12.0 ppb (12) 0.39 ppb (5) 41.4 μg/m3 (39) 8.0 μg/m3 (34) 39.0
 
Nov. 30, 2020, midnight 16.0 ppb (16) 3.3 ppb (4) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 27.0 ppb (25) 0.25 ppb (3) 21.3 μg/m3 (20) 1.0 μg/m3 (5) 25.0
 
Nov. 29, 2020, 11 p.m. 6.5 ppb (7) 3.1 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.16 ppb (3) 12.8 μg/m3 (12) 0.0 μg/m3 (0) 38.0
 
Nov. 29, 2020, 10 p.m. 5.8 ppb (6) 2.9 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) 0.15 ppb (2) 12.3 μg/m3 (12) 1.0 μg/m3 (5) 40.0
 
Nov. 29, 2020, 9 p.m. 6.9 ppb (7) 3.5 ppb (4) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.14 ppb (2) 13.8 μg/m3 (13) 2.0 μg/m3 (9) 39.0
 
Nov. 29, 2020, 8 p.m. 6.1 ppb (6) 3.1 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.14 ppb (2) 17.4 μg/m3 (17) 1.0 μg/m3 (5) 38.0
 
Nov. 29, 2020, 7 p.m. 7.6 ppb (8) 4.1 ppb (4) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (37) 0.14 ppb (2) 22.8 μg/m3 (22) 0.0 μg/m3 (0) 37.0
 
Nov. 29, 2020, 6 p.m. 7.5 ppb (8) 3.8 ppb (4) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 16.1 μg/m3 (15) 1.0 μg/m3 (5) 35.0
 
Nov. 29, 2020, 5 p.m. 6.8 ppb (7) 3.7 ppb (4) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) 0.14 ppb (2) 13.3 μg/m3 (13) -2.0 μg/m3 (0) 33.0
 
Nov. 29, 2020, 4 p.m. 9.1 ppb (9) 4.4 ppb (5) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) 0.16 ppb (3) 20.0 μg/m3 (19) 1.0 μg/m3 (5) 27.0
 
Nov. 29, 2020, 3 p.m. 12.2 ppb (12) 4.6 ppb (5) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) 21.3 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
Nov. 29, 2020, 2 p.m. 14.8 ppb (14) 3.7 ppb (4) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 12.0 ppb (12) 0.38 ppb (5) 32.1 μg/m3 (30) 5.0 μg/m3 (21) 30.0
 
Nov. 29, 2020, 1 p.m. 15.3 ppb (15) 4.1 ppb (4) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 12.0 ppb (12) 0.22 ppb (3) 24.1 μg/m3 (23) 4.0 μg/m3 (17) 23.0
 
Nov. 29, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.7 μg/m3 (22) 4.0 μg/m3 (17) 22.0
 
Nov. 29, 2020, 11 a.m. 7.3 ppb (7) 2.6 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (21) 0.18 ppb (3) 25.2 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
Nov. 29, 2020, 10 a.m. 4.9 ppb (5) 2.2 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) 0.14 ppb (2) 25.7 μg/m3 (24) 1.0 μg/m3 (5) 25.0
 
Nov. 29, 2020, 9 a.m. 8.5 ppb (9) 2.9 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (25) 0.14 ppb (2) 24.7 μg/m3 (23) 3.0 μg/m3 (13) 25.0
 
Nov. 29, 2020, 8 a.m. 7.4 ppb (7) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 29.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
Nov. 29, 2020, 7 a.m. 7.9 ppb (8) 2.6 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) 0.19 ppb (3) 43.4 μg/m3 (41) 7.0 μg/m3 (30) 41.0
 
Nov. 29, 2020, 6 a.m. 10.1 ppb (10) 2.5 ppb (3) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (20) 0.23 ppb (3) 63.7 μg/m3 (56) 6.0 μg/m3 (25) 56.0
 
Nov. 29, 2020, 5 a.m. 37.2 ppb (36) 14.1 ppb (14) N/A 23.0 ppb (22) N/A 1.0 ppb (2) 9.0 ppb (9) 0.52 ppb (6) 101.5 μg/m3 (75) 22.0 μg/m3 (72) 75.0
 
Nov. 29, 2020, 4 a.m. 101.9 ppb (102) 67.4 ppb (66) N/A 34.0 ppb (33) N/A 1.0 ppb (2) 2.0 ppb (2) 1.56 ppb (19) 182.1 μg/m3 (115) 63.0 μg/m3 (155) 155.0
 
Nov. 29, 2020, 3 a.m. 92.7 ppb (93) 57.9 ppb (56) N/A 35.0 ppb (34) N/A 1.0 ppb (2) 1.0 ppb (1) 1.26 ppb (15) 124.8 μg/m3 (86) 26.0 μg/m3 (81) 93.0
 
Nov. 29, 2020, 2 a.m. 40.3 ppb (39) 10.7 ppb (11) N/A 30.0 ppb (29) N/A 0.0 ppb (0) 4.0 ppb (4) 0.8 ppb (10) 63.4 μg/m3 (56) 13.0 μg/m3 (53) 56.0
 
Nov. 29, 2020, 1 a.m. 16.7 ppb (16) 2.2 ppb (3) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 21.0 ppb (20) 0.37 ppb (5) 39.9 μg/m3 (37) 9.0 μg/m3 (38) 38.0
 
Nov. 29, 2020, midnight 12.2 ppb (12) 2.4 ppb (3) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) 28.8 μg/m3 (27) 1.0 μg/m3 (5) 30.0
 
Nov. 28, 2020, 11 p.m. 10.4 ppb (10) 4.3 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (37) 0.16 ppb (3) 19.8 μg/m3 (19) 0.0 μg/m3 (0) 37.0
 
Nov. 28, 2020, 10 p.m. 7.8 ppb (8) 3.8 ppb (4) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) 0.15 ppb (2) 13.4 μg/m3 (13) 0.0 μg/m3 (0) 38.0
 
Nov. 28, 2020, 9 p.m. 7.9 ppb (8) 3.7 ppb (4) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (37) 0.16 ppb (3) 12.3 μg/m3 (12) 0.0 μg/m3 (0) 37.0
 
Nov. 28, 2020, 8 p.m. 10.8 ppb (11) 5.4 ppb (6) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) 12.5 μg/m3 (12) -1.0 μg/m3 (0) 35.0
 
Nov. 28, 2020, 7 p.m. 9.9 ppb (10) 5.0 ppb (5) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) 0.14 ppb (2) 13.2 μg/m3 (13) -2.0 μg/m3 (0) 34.0
 
Nov. 28, 2020, 6 p.m. 8.7 ppb (9) 4.5 ppb (5) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.14 ppb (2) 23.7 μg/m3 (22) -3.0 μg/m3 (0) 31.0
 
Nov. 28, 2020, 5 p.m. 9.4 ppb (9) 4.7 ppb (5) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (29) 0.16 ppb (3) 26.0 μg/m3 (25) -2.0 μg/m3 (0) 29.0
 
Nov. 28, 2020, 4 p.m. 14.8 ppb (14) 7.0 ppb (7) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (23) 0.19 ppb (3) 29.8 μg/m3 (28) 2.0 μg/m3 (9) 28.0
 
Nov. 28, 2020, 3 p.m. 20.3 ppb (20) 8.1 ppb (8) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 15.0 ppb (14) 0.28 ppb (4) 28.9 μg/m3 (27) 3.0 μg/m3 (13) 27.0
 
Nov. 28, 2020, 2 p.m. 20.6 ppb (20) 5.7 ppb (6) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 13.0 ppb (13) 0.31 ppb (4) 27.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
Nov. 28, 2020, 1 p.m. 26.7 ppb (26) 9.1 ppb (9) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 9.0 ppb (9) 0.44 ppb (5) 34.1 μg/m3 (32) 6.0 μg/m3 (25) 32.0
 
Nov. 28, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (20) 7.0 μg/m3 (30) 30.0
 
Nov. 28, 2020, 11 a.m. 18.5 ppb (18) 5.7 ppb (6) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 12.0 ppb (12) 0.23 ppb (3) 25.2 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
Nov. 28, 2020, 10 a.m. 12.7 ppb (12) 3.5 ppb (4) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 16.0 ppb (15) 0.15 ppb (2) 30.0 μg/m3 (28) 2.0 μg/m3 (9) 28.0