AQSQID: 060371103

Site Name: Los Angeles - N. Main Street

Location: LA (Chavez Ravine Place), CA

Reporting: True, Located: True

Current AQI: 91.0

LA (Chavez Ravine Place) CA, US: 34.0669, -118.2417

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 19, 2019, 5 a.m. 92.6 ppb (91) 44.1 ppb (41) 84.4 ppb (82) 49.0 ppb (45) 40.9 ppb (38) 1.0 ppb (1) 2.0 ppb (2) N/A 56.0 μg/m3 (50) 16.0 μg/m3 (59) 91.0
 
Nov. 19, 2019, 4 a.m. 90.2 ppb (89) 42.3 ppb (39) 83.5 ppb (81) 48.0 ppb (44) 40.9 ppb (38) 1.0 ppb (1) 2.0 ppb (2) N/A 48.0 μg/m3 (44) 12.0 μg/m3 (50) 89.0
 
Nov. 19, 2019, 3 a.m. 57.5 ppb (54) 11.0 ppb (10) 49.7 ppb (46) 46.0 ppb (43) 41.3 ppb (38) 1.0 ppb (1) 3.0 ppb (2) N/A 38.0 μg/m3 (35) 11.0 μg/m3 (46) 54.0
 
Nov. 19, 2019, 2 a.m. 41.0 ppb (38) 2.6 ppb (2) 33.7 ppb (31) 38.0 ppb (35) 32.2 ppb (30) 0.0 ppb (0) 16.0 ppb (12) N/A 36.0 μg/m3 (33) 8.0 μg/m3 (33) 38.0
 
Nov. 19, 2019, 1 a.m. 26.1 ppb (24) 0.5 ppb (0) 21.2 ppb (20) 26.0 ppb (24) 21.1 ppb (20) 0.0 ppb (0) 32.0 ppb (25) N/A 26.0 μg/m3 (24) 8.0 μg/m3 (33) 33.0
 
Nov. 19, 2019, midnight 22.6 ppb (21) 0.7 ppb (1) 17.7 ppb (16) 22.0 ppb (20) 17.1 ppb (16) 0.0 ppb (0) 39.0 ppb (30) N/A 25.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Nov. 18, 2019, 11 p.m. 22.7 ppb (21) 1.6 ppb (1) 18.6 ppb (17) 21.0 ppb (19) 16.8 ppb (16) 0.0 ppb (0) 46.0 ppb (35) N/A 31.0 μg/m3 (28) 7.0 μg/m3 (29) 35.0
 
Nov. 18, 2019, 10 p.m. 16.3 ppb (15) 1.3 ppb (1) 13.0 ppb (12) 15.0 ppb (14) 11.2 ppb (10) 0.0 ppb (0) 49.0 ppb (38) N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 38.0
 
Nov. 18, 2019, 9 p.m. 11.6 ppb (11) 1.3 ppb (1) 8.3 ppb (8) 10.0 ppb (9) 6.6 ppb (6) 0.0 ppb (0) 50.0 ppb (38) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 38.0
 
Nov. 18, 2019, 8 p.m. 21.3 ppb (20) 5.1 ppb (5) 17.4 ppb (16) 16.0 ppb (15) 12.7 ppb (12) 0.0 ppb (0) 44.0 ppb (34) N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 34.0
 
Nov. 18, 2019, 7 p.m. 27.8 ppb (26) 6.2 ppb (6) 23.7 ppb (22) 22.0 ppb (20) 16.7 ppb (15) 0.0 ppb (0) 36.0 ppb (28) N/A 28.0 μg/m3 (25) 5.0 μg/m3 (21) 28.0
 
Nov. 18, 2019, 6 p.m. 39.6 ppb (37) 15.1 ppb (14) 30.7 ppb (28) 25.0 ppb (23) 15.8 ppb (15) 0.0 ppb (0) 29.0 ppb (22) N/A 28.0 μg/m3 (25) 7.0 μg/m3 (29) 37.0
 
Nov. 18, 2019, 5 p.m. 61.3 ppb (58) 25.2 ppb (23) 54.2 ppb (50) 36.0 ppb (33) 28.0 ppb (26) 1.0 ppb (1) 17.0 ppb (13) N/A 34.0 μg/m3 (31) 10.0 μg/m3 (42) 58.0
 
Nov. 18, 2019, 4 p.m. 92.2 ppb (91) 50.1 ppb (46) 80.2 ppb (78) 42.0 ppb (39) 29.5 ppb (27) 1.0 ppb (1) 9.0 ppb (7) N/A 52.0 μg/m3 (47) 8.0 μg/m3 (33) 91.0
 
Nov. 18, 2019, 3 p.m. 93.6 ppb (92) 50.8 ppb (47) 83.2 ppb (81) 43.0 ppb (40) 32.0 ppb (30) 1.0 ppb (1) 5.0 ppb (4) N/A 46.0 μg/m3 (42) 9.0 μg/m3 (38) 92.0
 
Nov. 18, 2019, 2 p.m. 81.4 ppb (79) 38.6 ppb (36) 70.1 ppb (67) 43.0 ppb (40) 32.8 ppb (30) 1.0 ppb (1) 3.0 ppb (2) N/A 36.0 μg/m3 (33) 6.0 μg/m3 (25) 79.0
 
Nov. 18, 2019, 1 p.m. 55.9 ppb (52) 15.2 ppb (14) 43.1 ppb (40) 41.0 ppb (38) 30.5 ppb (28) 0.0 ppb (0) 5.0 ppb (4) N/A 24.0 μg/m3 (22) 4.0 μg/m3 (17) 52.0
 
Nov. 18, 2019, noon 42.7 ppb (40) 5.8 ppb (5) 33.7 ppb (31) 37.0 ppb (34) 29.4 ppb (27) 0.0 ppb (0) 7.0 ppb (5) N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 40.0
 
Nov. 18, 2019, 11 a.m. 34.9 ppb (32) 2.6 ppb (2) 28.8 ppb (27) 32.0 ppb (30) 26.4 ppb (24) 0.0 ppb (0) 10.0 ppb (8) N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 32.0
 
Nov. 18, 2019, 10 a.m. 28.7 ppb (27) 1.8 ppb (2) 22.6 ppb (21) 27.0 ppb (25) 21.5 ppb (20) 0.0 ppb (0) 13.0 ppb (10) N/A 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Nov. 18, 2019, 9 a.m. 51.2 ppb (47) 12.9 ppb (12) 40.9 ppb (38) 38.0 ppb (35) 30.0 ppb (28) 1.0 ppb (1) 5.0 ppb (4) N/A 26.0 μg/m3 (24) 10.0 μg/m3 (42) 47.0
 
Nov. 18, 2019, 8 a.m. 34.9 ppb (32) 2.3 ppb (2) 31.5 ppb (29) 33.0 ppb (31) 29.4 ppb (27) 0.0 ppb (0) 9.0 ppb (7) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 32.0
 
Nov. 18, 2019, 7 a.m. 48.9 ppb (45) 9.5 ppb (9) 40.6 ppb (38) 39.0 ppb (36) 33.5 ppb (31) 0.0 ppb (0) 4.0 ppb (3) N/A 28.0 μg/m3 (25) 7.0 μg/m3 (29) 45.0
 
Nov. 18, 2019, 6 a.m. 65.1 ppb (62) 23.6 ppb (22) 58.2 ppb (54) 42.0 ppb (39) 36.1 ppb (33) 1.0 ppb (1) 2.0 ppb (2) N/A 38.0 μg/m3 (35) 9.0 μg/m3 (38) 62.0
 
Nov. 18, 2019, 5 a.m. 60.0 ppb (56) 18.6 ppb (17) 59.8 ppb (56) 41.0 ppb (38) 36.5 ppb (34) 1.0 ppb (1) 4.0 ppb (3) N/A 34.0 μg/m3 (31) 11.0 μg/m3 (46) 56.0
 
Nov. 18, 2019, 4 a.m. 64.8 ppb (61) 19.5 ppb (18) 58.1 ppb (54) 45.0 ppb (42) 39.7 ppb (37) 1.0 ppb (1) 3.0 ppb (2) N/A 41.0 μg/m3 (37) 13.0 μg/m3 (52) 61.0
 
Nov. 18, 2019, 3 a.m. 62.8 ppb (59) 14.8 ppb (14) 55.0 ppb (51) 48.0 ppb (44) 42.0 ppb (39) 1.0 ppb (1) 2.0 ppb (2) N/A 35.0 μg/m3 (32) 16.0 μg/m3 (59) 59.0
 
Nov. 18, 2019, 2 a.m. 67.2 ppb (64) 17.7 ppb (16) 58.2 ppb (54) 50.0 ppb (46) 42.3 ppb (39) 1.0 ppb (1) 2.0 ppb (2) N/A 45.0 μg/m3 (41) 15.0 μg/m3 (56) 64.0
 
Nov. 18, 2019, 1 a.m. 27.4 ppb (25) 1.9 ppb (2) 21.0 ppb (19) 26.0 ppb (24) 20.0 ppb (19) 0.0 ppb (0) 27.0 ppb (21) N/A 28.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Nov. 18, 2019, midnight 10.8 ppb (10) 0.2 ppb (0) 6.6 ppb (6) 11.0 ppb (10) 6.5 ppb (6) 0.0 ppb (0) 43.0 ppb (33) N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 33.0
 
Nov. 17, 2019, 11 p.m. 10.7 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 45.0 ppb (35) N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 35.0
 
Nov. 17, 2019, 10 p.m. 10.5 ppb (10) 1.0 ppb (1) 7.0 ppb (6) 9.0 ppb (8) 5.7 ppb (5) 0.0 ppb (0) 47.0 ppb (36) N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 36.0
 
Nov. 17, 2019, 9 p.m. 9.9 ppb (9) 1.2 ppb (1) 7.1 ppb (7) 9.0 ppb (8) 5.5 ppb (5) 0.0 ppb (0) 46.0 ppb (35) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 35.0
 
Nov. 17, 2019, 8 p.m. 9.4 ppb (9) 1.2 ppb (1) 6.7 ppb (6) 8.0 ppb (7) 5.2 ppb (5) 0.0 ppb (0) 47.0 ppb (36) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 36.0
 
Nov. 17, 2019, 7 p.m. 14.4 ppb (13) 2.4 ppb (2) 11.5 ppb (11) 12.0 ppb (11) 8.6 ppb (8) 0.0 ppb (0) 42.0 ppb (32) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 32.0
 
Nov. 17, 2019, 6 p.m. 30.2 ppb (28) 8.7 ppb (8) 26.0 ppb (24) 21.0 ppb (19) 16.9 ppb (16) 0.0 ppb (0) 28.0 ppb (22) N/A 21.0 μg/m3 (19) 4.0 μg/m3 (17) 28.0
 
Nov. 17, 2019, 5 p.m. 27.7 ppb (26) 8.7 ppb (8) 24.1 ppb (22) 19.0 ppb (18) 14.7 ppb (14) 0.0 ppb (0) 23.0 ppb (18) N/A 27.0 μg/m3 (25) 4.0 μg/m3 (17) 26.0
 
Nov. 17, 2019, 4 p.m. 60.1 ppb (56) 29.1 ppb (27) 54.0 ppb (50) 31.0 ppb (29) 24.0 ppb (22) 1.0 ppb (1) 9.0 ppb (7) N/A 31.0 μg/m3 (28) 5.0 μg/m3 (21) 56.0
 
Nov. 17, 2019, 3 p.m. 68.7 ppb (66) 37.8 ppb (35) 62.0 ppb (59) 31.0 ppb (29) 23.4 ppb (22) 1.0 ppb (1) 4.0 ppb (3) N/A 36.0 μg/m3 (33) 8.0 μg/m3 (33) 66.0
 
Nov. 17, 2019, 2 p.m. 64.3 ppb (61) 33.0 ppb (31) 56.9 ppb (53) 31.0 ppb (29) 24.1 ppb (22) 0.0 ppb (0) 2.0 ppb (2) N/A 28.0 μg/m3 (25) 10.0 μg/m3 (42) 61.0
 
Nov. 17, 2019, 1 p.m. 69.7 ppb (67) 38.5 ppb (36) 56.1 ppb (52) 31.0 ppb (29) 20.7 ppb (19) 0.0 ppb (0) 2.0 ppb (2) N/A 31.0 μg/m3 (28) 13.0 μg/m3 (52) 67.0
 
Nov. 17, 2019, noon 55.3 ppb (51) 25.1 ppb (23) 46.8 ppb (43) 30.0 ppb (28) 25.0 ppb (23) 0.0 ppb (0) 3.0 ppb (2) N/A 24.0 μg/m3 (22) 10.0 μg/m3 (42) 51.0
 
Nov. 17, 2019, 11 a.m. 71.4 ppb (69) 38.1 ppb (35) 57.8 ppb (54) 33.0 ppb (31) 23.7 ppb (22) 1.0 ppb (1) 2.0 ppb (2) N/A 36.0 μg/m3 (33) 17.0 μg/m3 (61) 69.0
 
Nov. 17, 2019, 10 a.m. 74.0 ppb (71) 39.5 ppb (37) 60.7 ppb (57) 35.0 ppb (32) 28.4 ppb (26) 1.0 ppb (1) 2.0 ppb (2) N/A 32.0 μg/m3 (29) 14.0 μg/m3 (54) 71.0
 
Nov. 17, 2019, 9 a.m. 68.2 ppb (65) 34.2 ppb (32) 58.1 ppb (54) 34.0 ppb (31) 25.7 ppb (24) 0.0 ppb (0) 2.0 ppb (2) N/A 39.0 μg/m3 (35) 17.0 μg/m3 (61) 65.0
 
Nov. 17, 2019, 8 a.m. 71.0 ppb (68) 36.5 ppb (34) 64.6 ppb (61) 34.0 ppb (31) 30.5 ppb (28) 1.0 ppb (1) 2.0 ppb (2) N/A 40.0 μg/m3 (36) 19.0 μg/m3 (65) 68.0
 
Nov. 17, 2019, 7 a.m. 76.0 ppb (73) 38.9 ppb (36) 69.3 ppb (66) 37.0 ppb (34) 32.9 ppb (30) 1.0 ppb (1) 2.0 ppb (2) N/A 46.0 μg/m3 (42) 22.0 μg/m3 (71) 73.0
 
Nov. 17, 2019, 6 a.m. 80.2 ppb (78) 42.1 ppb (39) 75.2 ppb (73) 38.0 ppb (35) 34.2 ppb (32) 1.0 ppb (1) 2.0 ppb (2) N/A 50.0 μg/m3 (45) 20.0 μg/m3 (67) 78.0
 
Nov. 17, 2019, 5 a.m. 79.5 ppb (77) 38.0 ppb (35) 72.8 ppb (70) 41.0 ppb (38) 38.0 ppb (35) 1.0 ppb (1) 2.0 ppb (2) N/A 56.0 μg/m3 (50) 28.0 μg/m3 (84) 84.0
 
Nov. 17, 2019, 4 a.m. 78.6 ppb (76) 35.3 ppb (33) 74.2 ppb (71) 43.0 ppb (40) 39.5 ppb (37) 1.0 ppb (1) 2.0 ppb (2) N/A 53.0 μg/m3 (48) 24.0 μg/m3 (76) 76.0
 
Nov. 17, 2019, 3 a.m. 58.4 ppb (55) 16.2 ppb (15) 54.9 ppb (51) 42.0 ppb (39) 40.9 ppb (38) 0.0 ppb (0) 2.0 ppb (2) N/A 49.0 μg/m3 (45) 16.0 μg/m3 (59) 59.0
 
Nov. 17, 2019, 2 a.m. 37.6 ppb (35) 2.7 ppb (3) 32.7 ppb (30) 35.0 ppb (32) 32.3 ppb (30) 0.0 ppb (0) 9.0 ppb (7) N/A 40.0 μg/m3 (36) 17.0 μg/m3 (61) 61.0
 
Nov. 17, 2019, 1 a.m. 24.3 ppb (23) 1.3 ppb (1) 23.6 ppb (22) 23.0 ppb (21) 22.7 ppb (21) 0.0 ppb (0) 25.0 ppb (19) N/A 34.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Nov. 17, 2019, midnight 17.4 ppb (16) 0.7 ppb (1) 13.9 ppb (13) 17.0 ppb (16) 13.5 ppb (12) 0.0 ppb (0) 40.0 ppb (31) N/A 35.0 μg/m3 (32) 14.0 μg/m3 (54) 54.0
 
Nov. 16, 2019, 11 p.m. 17.1 ppb (16) 1.4 ppb (1) 14.1 ppb (13) 16.0 ppb (15) 12.8 ppb (12) 0.0 ppb (0) 42.0 ppb (32) N/A 34.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
Nov. 16, 2019, 10 p.m. 17.2 ppb (16) 1.9 ppb (2) 14.9 ppb (14) 15.0 ppb (14) 12.8 ppb (12) 0.0 ppb (0) 46.0 ppb (35) N/A 33.0 μg/m3 (30) 12.0 μg/m3 (50) 50.0
 
Nov. 16, 2019, 9 p.m. 27.5 ppb (25) 4.1 ppb (4) 25.7 ppb (24) 23.0 ppb (21) 20.8 ppb (19) 0.0 ppb (0) 44.0 ppb (34) N/A 49.0 μg/m3 (45) 19.0 μg/m3 (65) 65.0
 
Nov. 16, 2019, 8 p.m. 36.7 ppb (34) 6.9 ppb (6) 35.0 ppb (32) 30.0 ppb (28) 27.5 ppb (25) 0.0 ppb (0) 38.0 ppb (29) N/A 42.0 μg/m3 (38) 19.0 μg/m3 (65) 65.0
 
Nov. 16, 2019, 7 p.m. 26.8 ppb (25) 4.9 ppb (5) 26.4 ppb (24) 22.0 ppb (20) 21.0 ppb (19) 0.0 ppb (0) 40.0 ppb (31) N/A 32.0 μg/m3 (29) 19.0 μg/m3 (65) 65.0
 
Nov. 16, 2019, 6 p.m. 43.0 ppb (40) 12.1 ppb (11) 42.4 ppb (39) 31.0 ppb (29) 29.7 ppb (28) 1.0 ppb (1) 25.0 ppb (19) N/A 49.0 μg/m3 (45) 25.0 μg/m3 (78) 78.0
 
Nov. 16, 2019, 5 p.m. 69.5 ppb (66) 30.7 ppb (28) 67.4 ppb (64) 39.0 ppb (36) 35.7 ppb (33) 1.0 ppb (1) 12.0 ppb (9) N/A 49.0 μg/m3 (45) 25.0 μg/m3 (78) 78.0
 
Nov. 16, 2019, 4 p.m. 92.4 ppb (91) 54.9 ppb (51) 88.2 ppb (86) 38.0 ppb (35) 31.9 ppb (30) 1.0 ppb (1) 6.0 ppb (5) N/A 52.0 μg/m3 (47) 31.0 μg/m3 (90) 91.0
 
Nov. 16, 2019, 3 p.m. 104.5 ppb (101) 74.0 ppb (71) 98.4 ppb (97) 30.0 ppb (28) 23.5 ppb (22) 1.0 ppb (1) 3.0 ppb (2) N/A 47.0 μg/m3 (43) 26.0 μg/m3 (80) 101.0
 
Nov. 16, 2019, 2 p.m. 103.8 ppb (101) 77.6 ppb (75) 93.3 ppb (92) 26.0 ppb (24) 17.6 ppb (16) 1.0 ppb (1) 2.0 ppb (2) N/A 44.0 μg/m3 (40) 25.0 μg/m3 (78) 101.0
 
Nov. 16, 2019, 1 p.m. 82.9 ppb (81) 57.0 ppb (53) 73.3 ppb (71) 26.0 ppb (24) 14.9 ppb (14) 1.0 ppb (1) 2.0 ppb (2) N/A 43.0 μg/m3 (39) 22.0 μg/m3 (71) 81.0
 
Nov. 16, 2019, noon 83.9 ppb (82) 59.6 ppb (56) 71.9 ppb (69) 24.0 ppb (22) 17.6 ppb (16) 1.0 ppb (1) 2.0 ppb (2) N/A 40.0 μg/m3 (36) 21.0 μg/m3 (69) 82.0
 
Nov. 16, 2019, 11 a.m. 66.3 ppb (63) 41.9 ppb (39) 57.2 ppb (53) 24.0 ppb (22) 14.9 ppb (14) 0.0 ppb (0) 2.0 ppb (2) N/A 37.0 μg/m3 (34) 22.0 μg/m3 (71) 71.0
 
Nov. 16, 2019, 10 a.m. 66.8 ppb (64) 41.9 ppb (39) 67.3 ppb (64) 25.0 ppb (23) 19.8 ppb (18) 0.0 ppb (0) 2.0 ppb (2) N/A 41.0 μg/m3 (37) 20.0 μg/m3 (67) 67.0
 
Nov. 16, 2019, 9 a.m. 74.9 ppb (72) 48.8 ppb (45) 70.5 ppb (68) 26.0 ppb (24) 16.6 ppb (15) 0.0 ppb (0) 2.0 ppb (2) N/A 47.0 μg/m3 (43) 27.0 μg/m3 (82) 82.0
 
Nov. 16, 2019, 8 a.m. 69.6 ppb (67) 43.3 ppb (40) 63.7 ppb (60) 26.0 ppb (24) 24.9 ppb (23) 0.0 ppb (0) 2.0 ppb (2) N/A 40.0 μg/m3 (36) 25.0 μg/m3 (78) 78.0
 
Nov. 16, 2019, 7 a.m. 76.0 ppb (73) 47.1 ppb (44) 69.2 ppb (66) 29.0 ppb (27) 25.7 ppb (24) 0.0 ppb (0) 2.0 ppb (2) N/A 48.0 μg/m3 (44) 19.0 μg/m3 (65) 73.0
 
Nov. 16, 2019, 6 a.m. 72.4 ppb (70) 42.4 ppb (39) 67.6 ppb (64) 30.0 ppb (28) 27.3 ppb (25) 0.0 ppb (0) 2.0 ppb (2) N/A 42.0 μg/m3 (38) 23.0 μg/m3 (73) 73.0
 
Nov. 16, 2019, 5 a.m. 57.3 ppb (54) 25.3 ppb (23) 58.7 ppb (55) 32.0 ppb (30) 30.3 ppb (28) 0.0 ppb (0) 2.0 ppb (2) N/A 38.0 μg/m3 (35) 19.0 μg/m3 (65) 65.0
 
Nov. 16, 2019, 4 a.m. 50.4 ppb (47) 16.0 ppb (15) 48.3 ppb (45) 34.0 ppb (31) 32.6 ppb (30) 0.0 ppb (0) 2.0 ppb (2) N/A 35.0 μg/m3 (32) 17.0 μg/m3 (61) 61.0
 
Nov. 16, 2019, 3 a.m. 26.5 ppb (25) 1.8 ppb (2) 23.5 ppb (22) 25.0 ppb (23) 22.8 ppb (21) 0.0 ppb (0) 13.0 ppb (10) N/A 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
Nov. 16, 2019, 2 a.m. 25.3 ppb (23) 1.3 ppb (1) 22.7 ppb (21) 24.0 ppb (22) 22.3 ppb (21) 0.0 ppb (0) 17.0 ppb (13) N/A 29.0 μg/m3 (26) 13.0 μg/m3 (52) 52.0
 
Nov. 16, 2019, 1 a.m. 24.9 ppb (23) 1.3 ppb (1) 21.8 ppb (20) 24.0 ppb (22) 21.3 ppb (20) 0.0 ppb (0) 19.0 ppb (15) N/A 33.0 μg/m3 (30) 14.0 μg/m3 (54) 54.0
 
Nov. 16, 2019, midnight 16.2 ppb (15) 1.0 ppb (1) 13.7 ppb (13) 15.0 ppb (14) 13.1 ppb (12) 0.0 ppb (0) 28.0 ppb (22) N/A 28.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
Nov. 15, 2019, 11 p.m. 17.2 ppb (16) 1.8 ppb (2) 15.8 ppb (15) 15.0 ppb (14) 14.4 ppb (13) 0.0 ppb (0) 29.0 ppb (22) N/A 36.0 μg/m3 (33) 14.0 μg/m3 (54) 54.0
 
Nov. 15, 2019, 10 p.m. N/A N/A 40.2 ppb (37) N/A 34.3 ppb (32) 0.0 ppb (0) N/A N/A 65.0 μg/m3 (55) 31.0 μg/m3 (90) 90.0
 
Nov. 15, 2019, 9 p.m. N/A N/A 36.7 ppb (34) N/A 31.3 ppb (29) 0.0 ppb (0) N/A N/A 55.0 μg/m3 (50) 32.0 μg/m3 (93) 93.0
 
Nov. 15, 2019, 8 p.m. N/A N/A 44.5 ppb (41) N/A 33.0 ppb (31) 0.0 ppb (0) N/A N/A 66.0 μg/m3 (56) 37.0 μg/m3 (104) 104.0
 
Nov. 15, 2019, 7 p.m. N/A N/A 49.8 ppb (46) N/A 32.3 ppb (30) 0.0 ppb (0) N/A N/A 70.0 μg/m3 (58) 31.0 μg/m3 (90) 90.0
 
Nov. 15, 2019, 6 p.m. N/A N/A 48.3 ppb (45) N/A 28.5 ppb (26) 0.0 ppb (0) N/A N/A 60.0 μg/m3 (52) 32.0 μg/m3 (93) 93.0
 
Nov. 15, 2019, 5 p.m. 46.2 ppb (43) 20.5 ppb (19) 45.9 ppb (42) 26.0 ppb (24) 24.2 ppb (22) 0.0 ppb (0) 10.0 ppb (8) N/A 49.0 μg/m3 (45) 27.0 μg/m3 (82) 82.0
 
Nov. 15, 2019, 4 p.m. 45.1 ppb (42) 20.7 ppb (19) 42.1 ppb (39) 24.0 ppb (22) 21.7 ppb (20) 0.0 ppb (0) 6.0 ppb (5) N/A 54.0 μg/m3 (49) 21.0 μg/m3 (69) 69.0
 
Nov. 15, 2019, 3 p.m. 49.6 ppb (46) 24.1 ppb (22) 45.0 ppb (42) 25.0 ppb (23) 21.7 ppb (20) 0.0 ppb (0) 3.0 ppb (2) N/A 45.0 μg/m3 (41) 21.0 μg/m3 (69) 69.0
 
Nov. 15, 2019, 2 p.m. 48.0 ppb (44) 23.2 ppb (21) 40.5 ppb (38) 25.0 ppb (23) 18.2 ppb (17) 0.0 ppb (0) 3.0 ppb (2) N/A 31.0 μg/m3 (28) 17.0 μg/m3 (61) 61.0
 
Nov. 15, 2019, 1 p.m. 26.3 ppb (24) 8.0 ppb (7) 20.8 ppb (19) 18.0 ppb (17) 12.7 ppb (12) 0.0 ppb (0) 10.0 ppb (8) N/A 26.0 μg/m3 (24) 14.0 μg/m3 (54) 54.0
 
Nov. 15, 2019, noon 42.8 ppb (40) 19.5 ppb (18) 37.5 ppb (35) 23.0 ppb (21) 20.0 ppb (19) 0.0 ppb (0) 4.0 ppb (3) N/A 35.0 μg/m3 (32) 14.0 μg/m3 (54) 54.0
 
Nov. 15, 2019, 11 a.m. 49.1 ppb (45) 26.1 ppb (24) 33.5 ppb (31) 23.0 ppb (21) 16.6 ppb (15) 0.0 ppb (0) 2.0 ppb (2) N/A 30.0 μg/m3 (27) 14.0 μg/m3 (54) 54.0
 
Nov. 15, 2019, 10 a.m. 45.0 ppb (42) 22.9 ppb (21) 37.5 ppb (35) 22.0 ppb (20) 18.3 ppb (17) 0.0 ppb (0) 2.0 ppb (2) N/A 27.0 μg/m3 (25) 17.0 μg/m3 (61) 61.0
 
Nov. 15, 2019, 9 a.m. 46.8 ppb (43) 22.4 ppb (21) 34.9 ppb (32) 24.0 ppb (22) 17.5 ppb (16) 0.0 ppb (0) 2.0 ppb (2) N/A 28.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Nov. 15, 2019, 8 a.m. 37.2 ppb (34) 11.9 ppb (11) 32.8 ppb (30) 25.0 ppb (23) 23.4 ppb (22) 0.0 ppb (0) 2.0 ppb (2) N/A 24.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
Nov. 15, 2019, 7 a.m. 41.2 ppb (38) 13.1 ppb (12) 35.6 ppb (33) 28.0 ppb (26) 24.8 ppb (23) 0.0 ppb (0) 2.0 ppb (2) N/A 24.0 μg/m3 (22) 8.0 μg/m3 (33) 38.0
 
Nov. 15, 2019, 6 a.m. 43.1 ppb (40) 12.2 ppb (11) 39.3 ppb (36) 31.0 ppb (29) 27.8 ppb (26) 0.0 ppb (0) 2.0 ppb (2) N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 40.0
 
Nov. 15, 2019, 5 a.m. 35.4 ppb (33) 7.3 ppb (7) 31.7 ppb (29) 28.0 ppb (26) 25.9 ppb (24) 0.0 ppb (0) 4.0 ppb (3) N/A 21.0 μg/m3 (19) 8.0 μg/m3 (33) 33.0
 
Nov. 15, 2019, 4 a.m. 27.9 ppb (26) 3.5 ppb (3) 24.0 ppb (22) 24.0 ppb (22) 21.1 ppb (20) 0.0 ppb (0) 9.0 ppb (7) N/A 25.0 μg/m3 (23) 6.0 μg/m3 (25) 26.0
 
Nov. 15, 2019, 3 a.m. 15.8 ppb (15) 1.0 ppb (1) 12.1 ppb (11) 15.0 ppb (14) 11.8 ppb (11) 0.0 ppb (0) 20.0 ppb (15) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Nov. 15, 2019, 2 a.m. 12.9 ppb (12) 0.8 ppb (1) 9.4 ppb (9) 12.0 ppb (11) 9.0 ppb (8) 0.0 ppb (0) 24.0 ppb (18) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 18.0
 
Nov. 15, 2019, 1 a.m. 11.0 ppb (10) 0.4 ppb (0) 8.5 ppb (8) 11.0 ppb (10) 8.2 ppb (8) 0.0 ppb (0) 29.0 ppb (22) N/A 23.0 μg/m3 (21) 7.0 μg/m3 (29) 29.0
 
Nov. 15, 2019, midnight 14.0 ppb (13) 0.7 ppb (1) 12.4 ppb (11) 13.0 ppb (12) 11.9 ppb (11) 0.0 ppb (0) 34.0 ppb (26) N/A 36.0 μg/m3 (33) 15.0 μg/m3 (56) 56.0
 
Nov. 14, 2019, 11 p.m. 17.0 ppb (16) 1.4 ppb (1) 16.5 ppb (15) 16.0 ppb (15) 15.1 ppb (14) 0.0 ppb (0) 37.0 ppb (28) N/A 40.0 μg/m3 (36) 22.0 μg/m3 (71) 71.0
 
Nov. 14, 2019, 10 p.m. 19.3 ppb (18) 2.8 ppb (3) 20.6 ppb (19) 16.0 ppb (15) 17.7 ppb (16) 0.0 ppb (0) 36.0 ppb (28) N/A 46.0 μg/m3 (42) 16.0 μg/m3 (59) 59.0
 
Nov. 14, 2019, 9 p.m. 29.7 ppb (28) 5.1 ppb (5) 34.7 ppb (32) 25.0 ppb (23) 28.6 ppb (26) 0.0 ppb (0) 39.0 ppb (30) N/A 62.0 μg/m3 (54) 34.0 μg/m3 (97) 97.0
 
Nov. 14, 2019, 8 p.m. 50.6 ppb (47) 12.4 ppb (11) 55.6 ppb (52) 38.0 ppb (35) 42.3 ppb (39) 0.0 ppb (0) 27.0 ppb (21) N/A 77.0 μg/m3 (61) 48.0 μg/m3 (131) 131.0
 
Nov. 14, 2019, 7 p.m. 73.5 ppb (71) 28.6 ppb (26) 78.7 ppb (76) 45.0 ppb (42) 47.9 ppb (44) 0.0 ppb (0) 14.0 ppb (11) N/A 97.0 μg/m3 (71) 54.0 μg/m3 (146) 146.0
 
Nov. 14, 2019, 6 p.m. 52.7 ppb (49) 21.1 ppb (20) 56.7 ppb (53) 32.0 ppb (30) 34.1 ppb (32) 0.0 ppb (0) 15.0 ppb (12) N/A 78.0 μg/m3 (62) 42.0 μg/m3 (116) 116.0
 
Nov. 14, 2019, 5 p.m. 39.7 ppb (37) 14.6 ppb (14) 41.4 ppb (38) 25.0 ppb (23) 26.7 ppb (25) 0.0 ppb (0) 12.0 ppb (9) N/A 71.0 μg/m3 (58) 39.0 μg/m3 (109) 109.0
 
Nov. 14, 2019, 4 p.m. 38.9 ppb (36) 14.4 ppb (13) 38.4 ppb (36) 25.0 ppb (23) 25.4 ppb (24) 0.0 ppb (0) 10.0 ppb (8) N/A 54.0 μg/m3 (49) 34.0 μg/m3 (97) 97.0
 
Nov. 14, 2019, 3 p.m. 32.2 ppb (30) 9.1 ppb (8) 30.2 ppb (28) 23.0 ppb (21) 22.7 ppb (21) 0.0 ppb (0) 9.0 ppb (7) N/A 48.0 μg/m3 (44) 29.0 μg/m3 (86) 86.0
 
Nov. 14, 2019, 2 p.m. 26.6 ppb (25) 5.1 ppb (5) 23.0 ppb (21) 22.0 ppb (20) 20.1 ppb (19) 0.0 ppb (0) 9.0 ppb (7) N/A 39.0 μg/m3 (35) 26.0 μg/m3 (80) 80.0
 
Nov. 14, 2019, 1 p.m. 39.7 ppb (37) 17.4 ppb (16) 30.7 ppb (28) 22.0 ppb (20) 15.8 ppb (15) 0.0 ppb (0) 8.0 ppb (6) N/A 34.0 μg/m3 (31) 27.0 μg/m3 (82) 82.0
 
Nov. 14, 2019, noon 59.3 ppb (56) 36.2 ppb (34) 51.1 ppb (47) 23.0 ppb (21) 18.9 ppb (18) 0.0 ppb (0) 2.0 ppb (2) N/A 33.0 μg/m3 (30) 26.0 μg/m3 (80) 80.0
 
Nov. 14, 2019, 11 a.m. 57.5 ppb (54) 36.0 ppb (33) 46.8 ppb (43) 21.0 ppb (19) 13.3 ppb (12) 0.0 ppb (0) 2.0 ppb (2) N/A 31.0 μg/m3 (28) 20.0 μg/m3 (67) 67.0
 
Nov. 14, 2019, 10 a.m. 48.1 ppb (45) 27.5 ppb (25) 40.5 ppb (38) 21.0 ppb (19) 17.7 ppb (16) 0.0 ppb (0) 2.0 ppb (2) N/A 34.0 μg/m3 (31) 24.0 μg/m3 (76) 76.0
 
Nov. 14, 2019, 9 a.m. 43.0 ppb (40) 19.9 ppb (18) 36.8 ppb (34) 23.0 ppb (21) 18.1 ppb (17) 0.0 ppb (0) 2.0 ppb (2) N/A 28.0 μg/m3 (25) 19.0 μg/m3 (65) 65.0
 
Nov. 14, 2019, 8 a.m. 44.3 ppb (41) 20.0 ppb (19) 37.9 ppb (35) 24.0 ppb (22) 22.7 ppb (21) 0.0 ppb (0) 2.0 ppb (2) N/A 37.0 μg/m3 (34) 20.0 μg/m3 (67) 67.0
 
Nov. 14, 2019, 7 a.m. 45.3 ppb (42) 15.5 ppb (14) 39.0 ppb (36) 30.0 ppb (28) 26.6 ppb (25) 0.0 ppb (0) 2.0 ppb (2) N/A 29.0 μg/m3 (26) 13.0 μg/m3 (52) 52.0
 
Nov. 14, 2019, 6 a.m. 44.3 ppb (41) 14.6 ppb (14) 39.0 ppb (36) 30.0 ppb (28) 28.0 ppb (26) 0.0 ppb (0) 2.0 ppb (2) N/A 37.0 μg/m3 (34) 14.0 μg/m3 (54) 54.0
 
Nov. 14, 2019, 5 a.m. 26.9 ppb (25) 3.2 ppb (3) 25.8 ppb (24) 24.0 ppb (22) 22.4 ppb (21) 0.0 ppb (0) 11.0 ppb (8) N/A 25.0 μg/m3 (23) 13.0 μg/m3 (52) 52.0
 
Nov. 14, 2019, 4 a.m. 17.3 ppb (16) 1.1 ppb (1) 14.0 ppb (13) 16.0 ppb (15) 13.5 ppb (12) 0.0 ppb (0) 20.0 ppb (15) N/A 23.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
Nov. 14, 2019, 3 a.m. 11.9 ppb (11) 0.6 ppb (1) 8.6 ppb (8) 11.0 ppb (10) 8.4 ppb (8) 0.0 ppb (0) 29.0 ppb (22) N/A 26.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
Nov. 14, 2019, 2 a.m. 12.0 ppb (11) 0.6 ppb (1) 8.3 ppb (8) 11.0 ppb (10) 8.2 ppb (8) 0.0 ppb (0) 31.0 ppb (24) N/A 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Nov. 14, 2019, 1 a.m. 12.1 ppb (11) 0.7 ppb (1) 8.1 ppb (8) 11.0 ppb (10) 7.8 ppb (7) 0.0 ppb (0) 31.0 ppb (24) N/A 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Nov. 14, 2019, midnight 14.4 ppb (13) 1.0 ppb (1) 10.7 ppb (10) 13.0 ppb (12) 10.2 ppb (9) 0.0 ppb (0) 34.0 ppb (26) N/A 35.0 μg/m3 (32) 17.0 μg/m3 (61) 61.0
 
Nov. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 19.0 μg/m3 (65) 65.0
 
Nov. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 30.0 μg/m3 (88) 88.0
 
Nov. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (57) 33.0 μg/m3 (95) 95.0
 
Nov. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 77.0 μg/m3 (61) 45.0 μg/m3 (124) 124.0
 
Nov. 13, 2019, 7 p.m. N/A N/A 66.1 ppb (63) N/A 46.5 ppb (43) 1.0 ppb (1) N/A N/A 98.0 μg/m3 (72) 48.0 μg/m3 (131) 131.0
 
Nov. 13, 2019, 6 p.m. N/A N/A 103.0 ppb (100) N/A 52.7 ppb (49) 1.0 ppb (1) N/A N/A 98.0 μg/m3 (72) 50.0 μg/m3 (136) 136.0
 
Nov. 13, 2019, 5 p.m. 99.9 ppb (99) 54.2 ppb (50) 99.4 ppb (98) 46.0 ppb (43) 42.1 ppb (39) 1.0 ppb (1) 7.0 ppb (5) N/A 80.0 μg/m3 (62) 39.0 μg/m3 (109) 109.0
 
Nov. 13, 2019, 4 p.m. 78.6 ppb (76) 45.7 ppb (42) 74.5 ppb (72) 33.0 ppb (31) 28.6 ppb (26) 1.0 ppb (1) 6.0 ppb (5) N/A 71.0 μg/m3 (58) 38.0 μg/m3 (106) 106.0
 
Nov. 13, 2019, 3 p.m. 64.0 ppb (61) 38.0 ppb (35) 59.8 ppb (56) 26.0 ppb (24) 21.5 ppb (20) 0.0 ppb (0) 3.0 ppb (2) N/A 32.0 μg/m3 (29) 25.0 μg/m3 (78) 78.0
 
Nov. 13, 2019, 2 p.m. 55.8 ppb (52) 27.8 ppb (26) 50.4 ppb (47) 28.0 ppb (26) 24.1 ppb (22) 0.0 ppb (0) 2.0 ppb (2) N/A 29.0 μg/m3 (26) 28.0 μg/m3 (84) 84.0
 
Nov. 13, 2019, 1 p.m. 40.4 ppb (37) 13.2 ppb (12) 34.6 ppb (32) 27.0 ppb (25) 22.7 ppb (21) 0.0 ppb (0) 2.0 ppb (2) N/A 34.0 μg/m3 (31) 29.0 μg/m3 (86) 86.0
 
Nov. 13, 2019, noon 29.8 ppb (28) 5.0 ppb (5) 28.1 ppb (26) 25.0 ppb (23) 25.2 ppb (23) 0.0 ppb (0) 3.0 ppb (2) N/A 38.0 μg/m3 (35) 27.0 μg/m3 (82) 82.0
 
Nov. 13, 2019, 11 a.m. 30.3 ppb (28) 3.4 ppb (3) 28.8 ppb (27) 27.0 ppb (25) 25.3 ppb (23) 0.0 ppb (0) 3.0 ppb (2) N/A 29.0 μg/m3 (26) 21.0 μg/m3 (69) 69.0
 
Nov. 13, 2019, 10 a.m. 32.7 ppb (30) 4.8 ppb (4) 29.8 ppb (28) 28.0 ppb (26) 27.0 ppb (25) 0.0 ppb (0) 3.0 ppb (2) N/A 36.0 μg/m3 (33) 22.0 μg/m3 (71) 71.0
 
Nov. 13, 2019, 9 a.m. 27.9 ppb (26) 2.5 ppb (2) 23.7 ppb (22) 25.0 ppb (23) 22.8 ppb (21) 0.0 ppb (0) 7.0 ppb (5) N/A 36.0 μg/m3 (33) 26.0 μg/m3 (80) 80.0
 
Nov. 13, 2019, 8 a.m. 25.3 ppb (23) 1.9 ppb (2) 23.0 ppb (21) 23.0 ppb (21) 22.8 ppb (21) 0.0 ppb (0) 11.0 ppb (8) N/A 42.0 μg/m3 (38) 21.0 μg/m3 (69) 69.0
 
Nov. 13, 2019, 7 a.m. 25.0 ppb (23) 1.6 ppb (1) 21.7 ppb (20) 23.0 ppb (21) 21.5 ppb (20) 0.0 ppb (0) 16.0 ppb (12) N/A 35.0 μg/m3 (32) 24.0 μg/m3 (76) 76.0
 
Nov. 13, 2019, 6 a.m. 20.6 ppb (19) 1.6 ppb (1) 16.0 ppb (15) 19.0 ppb (18) 15.8 ppb (15) 0.0 ppb (0) 17.0 ppb (13) N/A 30.0 μg/m3 (27) 16.0 μg/m3 (59) 59.0
 
Nov. 13, 2019, 5 a.m. 14.7 ppb (14) 0.9 ppb (1) 11.0 ppb (10) 14.0 ppb (13) 10.9 ppb (10) 0.0 ppb (0) 23.0 ppb (18) N/A 27.0 μg/m3 (25) 17.0 μg/m3 (61) 61.0
 
Nov. 13, 2019, 4 a.m. 14.6 ppb (14) 0.8 ppb (1) 10.6 ppb (10) 14.0 ppb (13) 10.4 ppb (10) 0.0 ppb (0) 25.0 ppb (19) N/A 29.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
Nov. 13, 2019, 3 a.m. 16.9 ppb (16) 0.9 ppb (1) 12.7 ppb (12) 16.0 ppb (15) 12.4 ppb (11) 0.0 ppb (0) 25.0 ppb (19) N/A 29.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
Nov. 13, 2019, 2 a.m. 18.4 ppb (17) 0.9 ppb (1) 14.5 ppb (13) 18.0 ppb (17) 14.3 ppb (13) 0.0 ppb (0) 29.0 ppb (22) N/A 30.0 μg/m3 (27) 14.0 μg/m3 (54) 54.0
 
Nov. 13, 2019, 1 a.m. 19.3 ppb (18) 0.7 ppb (1) 15.8 ppb (15) 19.0 ppb (18) 15.7 ppb (15) 0.0 ppb (0) 38.0 ppb (29) N/A 48.0 μg/m3 (44) 19.0 μg/m3 (65) 65.0
 
Nov. 13, 2019, midnight 21.7 ppb (20) 0.8 ppb (1) 19.1 ppb (18) 21.0 ppb (19) 18.7 ppb (17) 0.0 ppb (0) 45.0 ppb (35) N/A 49.0 μg/m3 (45) 22.0 μg/m3 (71) 71.0
 
Nov. 12, 2019, 11 p.m. 20.3 ppb (19) 1.5 ppb (1) 18.1 ppb (17) 19.0 ppb (18) 16.7 ppb (15) 0.0 ppb (0) 48.0 ppb (37) N/A 51.0 μg/m3 (46) 20.0 μg/m3 (67) 67.0
 
Nov. 12, 2019, 10 p.m. 22.2 ppb (21) 2.3 ppb (2) 21.2 ppb (20) 20.0 ppb (19) 18.9 ppb (18) 0.0 ppb (0) 50.0 ppb (38) N/A 57.0 μg/m3 (51) 22.0 μg/m3 (71) 71.0
 
Nov. 12, 2019, 9 p.m. 38.5 ppb (36) 6.8 ppb (6) 38.0 ppb (35) 32.0 ppb (30) 31.1 ppb (29) 0.0 ppb (0) 43.0 ppb (33) N/A 71.0 μg/m3 (58) 28.0 μg/m3 (84) 84.0
 
Nov. 12, 2019, 8 p.m. 49.7 ppb (46) 11.0 ppb (10) 49.4 ppb (46) 39.0 ppb (36) 37.7 ppb (35) 1.0 ppb (1) 33.0 ppb (25) N/A 62.0 μg/m3 (54) 35.0 μg/m3 (99) 99.0
 
Nov. 12, 2019, 7 p.m. 65.2 ppb (62) 20.4 ppb (19) 66.6 ppb (63) 45.0 ppb (42) 45.3 ppb (42) 1.0 ppb (1) 23.0 ppb (18) N/A 75.0 μg/m3 (60) 42.0 μg/m3 (116) 116.0
 
Nov. 12, 2019, 6 p.m. 77.2 ppb (75) 31.5 ppb (29) 76.2 ppb (74) 46.0 ppb (43) 43.4 ppb (40) 1.0 ppb (1) 15.0 ppb (12) N/A 86.0 μg/m3 (66) 40.0 μg/m3 (111) 111.0
 
Nov. 12, 2019, 5 p.m. 68.1 ppb (65) 33.2 ppb (31) 65.9 ppb (63) 35.0 ppb (32) 32.4 ppb (30) 1.0 ppb (1) 10.0 ppb (8) N/A 49.0 μg/m3 (45) 36.0 μg/m3 (101) 101.0
 
Nov. 12, 2019, 4 p.m. 65.9 ppb (63) 36.9 ppb (34) 61.4 ppb (58) 29.0 ppb (27) 25.8 ppb (24) 0.0 ppb (0) 5.0 ppb (4) N/A 46.0 μg/m3 (42) 31.0 μg/m3 (90) 90.0
 
Nov. 12, 2019, 3 p.m. 93.8 ppb (92) 64.8 ppb (61) 86.4 ppb (84) 29.0 ppb (27) 22.0 ppb (20) 1.0 ppb (1) 2.0 ppb (2) N/A 64.0 μg/m3 (54) 30.0 μg/m3 (88) 92.0
 
Nov. 12, 2019, 2 p.m. 67.6 ppb (64) 40.4 ppb (37) 59.2 ppb (56) 27.0 ppb (25) 21.2 ppb (20) 0.0 ppb (0) 2.0 ppb (2) N/A 43.0 μg/m3 (39) 22.0 μg/m3 (71) 71.0
 
Nov. 12, 2019, 1 p.m. 76.4 ppb (74) 48.7 ppb (45) 61.8 ppb (58) 28.0 ppb (26) 16.3 ppb (15) 0.0 ppb (0) 2.0 ppb (2) N/A 45.0 μg/m3 (41) 20.0 μg/m3 (67) 74.0
 
Nov. 12, 2019, noon 60.2 ppb (57) 34.7 ppb (32) 47.8 ppb (44) 25.0 ppb (23) 20.9 ppb (19) 0.0 ppb (0) 2.0 ppb (2) N/A 38.0 μg/m3 (35) 23.0 μg/m3 (73) 73.0
 
Nov. 12, 2019, 11 a.m. 43.0 ppb (40) 16.3 ppb (15) 34.5 ppb (32) 27.0 ppb (25) 19.4 ppb (18) 0.0 ppb (0) 2.0 ppb (2) N/A 35.0 μg/m3 (32) 22.0 μg/m3 (71) 71.0
 
Nov. 12, 2019, 10 a.m. 33.3 ppb (31) 7.6 ppb (7) 26.4 ppb (24) 26.0 ppb (24) 22.5 ppb (21) 0.0 ppb (0) 3.0 ppb (2) N/A 32.0 μg/m3 (29) 23.0 μg/m3 (73) 73.0
 
Nov. 12, 2019, 9 a.m. 32.8 ppb (30) 9.0 ppb (8) 22.4 ppb (21) 24.0 ppb (22) 16.7 ppb (15) 0.0 ppb (0) 8.0 ppb (6) N/A 30.0 μg/m3 (27) 24.0 μg/m3 (76) 76.0
 
Nov. 12, 2019, 8 a.m. 40.8 ppb (38) 14.8 ppb (14) 39.4 ppb (36) 26.0 ppb (24) 25.5 ppb (24) 0.0 ppb (0) 5.0 ppb (4) N/A 38.0 μg/m3 (35) 24.0 μg/m3 (76) 76.0
 
Nov. 12, 2019, 7 a.m. 38.6 ppb (36) 8.0 ppb (7) 34.5 ppb (32) 31.0 ppb (29) 28.8 ppb (27) 0.0 ppb (0) 3.0 ppb (2) N/A 37.0 μg/m3 (34) 20.0 μg/m3 (67) 67.0
 
Nov. 12, 2019, 6 a.m. 30.3 ppb (28) 4.0 ppb (4) 25.3 ppb (23) 26.0 ppb (24) 23.5 ppb (22) 0.0 ppb (0) 12.0 ppb (9) N/A 38.0 μg/m3 (35) 20.0 μg/m3 (67) 67.0