ID: 318

AQSQID: 130890002

Site Name: South Dekalb

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

Updated: Oct. 16, 2021, 3:04 p.m.

Location: Decatur (Clifton Spgs Rd), GA

Reporting: True, Located: True

Current AQI: 15.0

Decatur (Clifton Spgs Rd) GA, US: 33.6906, -84.2731

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 16, 2021, 2 p.m. 5.4 ppb (6) 0.8 ppb (1) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (17) 0.12 ppb (2) N/A N/A 17.0
 
Oct. 16, 2021, 1 p.m. 5.4 ppb (6) 0.7 ppb (1) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (15) 0.14 ppb (2) N/A N/A 15.0
 
Oct. 16, 2021, noon 7.7 ppb (8) 0.9 ppb (1) 5.0 ppb (5) 7.0 ppb (7) N/A 0.0 ppb (0) 6.0 ppb (6) 0.18 ppb (3) 16.0 μg/m3 (15) 10.7 μg/m3 (45) 45.0
 
Oct. 16, 2021, 11 a.m. 21.3 ppb (21) 8.3 ppb (8) 17.0 ppb (17) 13.0 ppb (13) N/A 0.0 ppb (0) 0.0 ppb (0) 0.28 ppb (4) 23.0 μg/m3 (22) 13.3 μg/m3 (54) 54.0
 
Oct. 16, 2021, 10 a.m. 32.6 ppb (31) 26.4 ppb (25) 29.0 ppb (28) 6.0 ppb (6) N/A 0.0 ppb (0) 2.0 ppb (2) 0.43 ppb (5) 26.0 μg/m3 (25) 14.7 μg/m3 (57) 57.0
 
Oct. 16, 2021, 9 a.m. 32.5 ppb (31) 27.3 ppb (26) 28.0 ppb (27) 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.48 ppb (6) 26.0 μg/m3 (25) 15.0 μg/m3 (58) 58.0
 
Oct. 16, 2021, 8 a.m. 40.6 ppb (39) 34.6 ppb (33) 38.0 ppb (36) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.53 ppb (6) 26.0 μg/m3 (25) 15.2 μg/m3 (58) 58.0
 
Oct. 16, 2021, 7 a.m. 46.8 ppb (45) 39.7 ppb (38) 45.0 ppb (43) 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) 0.58 ppb (7) 26.0 μg/m3 (25) 15.4 μg/m3 (58) 58.0
 
Oct. 16, 2021, 6 a.m. 43.6 ppb (42) 36.1 ppb (35) 42.0 ppb (40) 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) 0.64 ppb (7) 28.0 μg/m3 (26) 16.2 μg/m3 (60) 60.0
 
Oct. 16, 2021, 5 a.m. 47.2 ppb (45) 38.6 ppb (37) 47.0 ppb (45) 8.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) 0.68 ppb (8) 27.0 μg/m3 (25) 15.6 μg/m3 (59) 59.0
 
Oct. 16, 2021, 4 a.m. 62.5 ppb (61) 49.7 ppb (47) 59.0 ppb (57) 13.0 ppb (13) N/A 0.0 ppb (0) 0.0 ppb (0) 0.78 ppb (10) N/A N/A 61.0
 
Oct. 16, 2021, 3 a.m. 49.5 ppb (47) 33.8 ppb (32) 64.0 ppb (62) 15.0 ppb (15) N/A 0.0 ppb (0) 0.0 ppb (0) 0.63 ppb (7) 28.0 μg/m3 (26) 15.8 μg/m3 (59) 62.0
 
Oct. 16, 2021, 2 a.m. 20.9 ppb (20) 5.8 ppb (6) 29.0 ppb (28) 15.0 ppb (15) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (5) 25.0 μg/m3 (24) 14.3 μg/m3 (56) 56.0
 
Oct. 16, 2021, 1 a.m. 10.8 ppb (11) 0.3 ppb (1) 11.0 ppb (11) 10.0 ppb (10) N/A 0.0 ppb (0) 5.0 ppb (5) 0.32 ppb (4) 26.0 μg/m3 (25) 13.8 μg/m3 (55) 55.0
 
Oct. 16, 2021, midnight 7.9 ppb (8) 0.1 ppb (1) 8.0 ppb (8) 8.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (13) 0.27 ppb (4) 24.0 μg/m3 (23) 12.6 μg/m3 (53) 53.0
 
Oct. 15, 2021, 11 p.m. 5.5 ppb (6) 0.1 ppb (1) 5.0 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (21) 0.23 ppb (3) 22.0 μg/m3 (21) 11.1 μg/m3 (47) 47.0
 
Oct. 15, 2021, 10 p.m. 5.1 ppb (5) 0.0 ppb (0) 5.0 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) 19.0 μg/m3 (18) 9.7 μg/m3 (41) 41.0
 
Oct. 15, 2021, 9 p.m. 3.5 ppb (4) 0.0 ppb (0) 4.0 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (43) 0.17 ppb (3) 17.0 μg/m3 (16) 9.4 μg/m3 (40) 43.0
 
Oct. 15, 2021, 8 p.m. 2.7 ppb (3) 0.2 ppb (1) 3.0 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (46) 0.16 ppb (3) 17.0 μg/m3 (16) 9.6 μg/m3 (40) 46.0
 
Oct. 15, 2021, 7 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 50.0 ppb (47) 0.16 ppb (3) 18.0 μg/m3 (17) 9.8 μg/m3 (41) 47.0
 
Oct. 15, 2021, 6 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.16 ppb (3) 18.0 μg/m3 (17) 9.8 μg/m3 (41) 43.0
 
Oct. 15, 2021, 5 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.16 ppb (3) 18.0 μg/m3 (17) 10.7 μg/m3 (45) 45.0
 
Oct. 15, 2021, 4 p.m. N/A N/A 5.0 ppb (5) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.2 ppb (3) 22.0 μg/m3 (21) 11.8 μg/m3 (50) 50.0
 
Oct. 15, 2021, 3 p.m. N/A N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.28 ppb (4) 28.0 μg/m3 (26) 11.7 μg/m3 (49) 49.0
 
Oct. 15, 2021, 2 p.m. N/A N/A 73.0 ppb (72) N/A N/A 0.0 ppb (0) 6.0 ppb (6) 0.61 ppb (7) 34.0 μg/m3 (32) 14.1 μg/m3 (56) 72.0
 
Oct. 15, 2021, 1 p.m. 111.2 ppb (103) 98.1 ppb (98) 101.0 ppb (101) 13.0 ppb (13) N/A 0.0 ppb (0) 0.0 ppb (0) 0.83 ppb (10) 29.0 μg/m3 (27) 16.7 μg/m3 (61) 103.0
 
Oct. 15, 2021, noon 107.7 ppb (103) 102.5 ppb (102) 113.0 ppb (104) 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.77 ppb (10) 33.0 μg/m3 (31) 18.5 μg/m3 (65) 104.0
 
Oct. 15, 2021, 11 a.m. 115.9 ppb (104) 109.1 ppb (103) 110.0 ppb (103) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.76 ppb (10) 33.0 μg/m3 (31) 19.4 μg/m3 (67) 104.0
 
Oct. 15, 2021, 10 a.m. 113.4 ppb (104) 106.7 ppb (103) 110.0 ppb (103) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.7 ppb (8) 32.0 μg/m3 (30) 18.6 μg/m3 (65) 104.0
 
Oct. 15, 2021, 9 a.m. 99.6 ppb (100) 93.2 ppb (93) 99.0 ppb (99) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.67 ppb (8) 30.0 μg/m3 (28) 17.8 μg/m3 (63) 100.0
 
Oct. 15, 2021, 8 a.m. 80.6 ppb (80) 74.0 ppb (73) 79.0 ppb (78) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.65 ppb (8) 31.0 μg/m3 (29) 18.0 μg/m3 (64) 80.0
 
Oct. 15, 2021, 7 a.m. 68.3 ppb (67) 61.2 ppb (59) 69.0 ppb (67) 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) 0.63 ppb (7) 30.0 μg/m3 (28) 17.1 μg/m3 (62) 67.0
 
Oct. 15, 2021, 6 a.m. 63.2 ppb (61) 54.9 ppb (52) 60.0 ppb (58) 8.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) 0.61 ppb (7) 31.0 μg/m3 (29) 18.1 μg/m3 (64) 64.0
 
Oct. 15, 2021, 5 a.m. 64.0 ppb (62) 55.0 ppb (53) 64.0 ppb (62) 9.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) 0.63 ppb (7) 30.0 μg/m3 (28) 17.3 μg/m3 (62) 62.0
 
Oct. 15, 2021, 4 a.m. 65.3 ppb (64) 52.9 ppb (50) 63.0 ppb (61) 12.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) 0.64 ppb (7) 30.0 μg/m3 (28) 17.5 μg/m3 (63) 64.0
 
Oct. 15, 2021, 3 a.m. 49.8 ppb (47) 36.0 ppb (34) 50.0 ppb (48) 13.0 ppb (13) N/A 0.0 ppb (0) 0.0 ppb (0) 0.54 ppb (6) 27.0 μg/m3 (25) 16.4 μg/m3 (61) 61.0
 
Oct. 15, 2021, 2 a.m. 22.1 ppb (21) 9.1 ppb (9) 24.0 ppb (23) 13.0 ppb (13) N/A 0.0 ppb (0) 3.0 ppb (3) 0.35 ppb (4) 24.0 μg/m3 (23) 15.2 μg/m3 (58) 58.0
 
Oct. 15, 2021, 1 a.m. 4.9 ppb (5) 0.0 ppb (0) 5.0 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (16) 0.25 ppb (3) 27.0 μg/m3 (25) 16.6 μg/m3 (61) 61.0
 
Oct. 15, 2021, midnight 4.7 ppb (5) 0.1 ppb (1) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (24) 0.26 ppb (4) 29.0 μg/m3 (27) 18.1 μg/m3 (64) 64.0
 
Oct. 14, 2021, 11 p.m. 3.8 ppb (4) 0.1 ppb (1) 4.0 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) 0.28 ppb (4) 31.0 μg/m3 (29) 22.0 μg/m3 (72) 72.0
 
Oct. 14, 2021, 10 p.m. 3.3 ppb (4) -0.1 ppb (0) 4.0 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.19 ppb (3) 22.0 μg/m3 (21) 11.2 μg/m3 (47) 47.0
 
Oct. 14, 2021, 9 p.m. 3.5 ppb (4) 0.0 ppb (0) 4.0 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 61.0 ppb (71) 0.19 ppb (3) 21.0 μg/m3 (20) 11.3 μg/m3 (48) 71.0
 
Oct. 14, 2021, 8 p.m. 3.9 ppb (4) 0.0 ppb (0) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 65.0 ppb (84) 0.19 ppb (3) 23.0 μg/m3 (22) 11.1 μg/m3 (47) 84.0
 
Oct. 14, 2021, 7 p.m. 6.4 ppb (7) 1.2 ppb (2) 6.0 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 61.0 ppb (71) 0.22 ppb (3) 22.0 μg/m3 (21) 10.8 μg/m3 (46) 71.0
 
Oct. 14, 2021, 6 p.m. 5.3 ppb (5) 0.4 ppb (1) 6.0 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 53.0 ppb (50) 0.19 ppb (3) 22.0 μg/m3 (21) 10.0 μg/m3 (42) 50.0
 
Oct. 14, 2021, 5 p.m. 9.9 ppb (10) 1.6 ppb (2) 9.0 ppb (9) 8.0 ppb (8) N/A 0.0 ppb (0) 42.0 ppb (39) 0.19 ppb (3) 21.0 μg/m3 (20) 9.7 μg/m3 (41) 41.0
 
Oct. 14, 2021, 4 p.m. 27.2 ppb (26) 7.0 ppb (7) 25.0 ppb (24) 20.0 ppb (19) N/A 0.0 ppb (0) 27.0 ppb (25) 0.3 ppb (4) 24.0 μg/m3 (23) 11.1 μg/m3 (47) 47.0
 
Oct. 14, 2021, 3 p.m. 26.2 ppb (25) 7.0 ppb (7) 24.0 ppb (23) 19.0 ppb (18) N/A 0.0 ppb (0) 25.0 ppb (24) 0.3 ppb (4) 25.0 μg/m3 (24) 10.7 μg/m3 (45) 45.0
 
Oct. 14, 2021, 2 p.m. 72.9 ppb (72) 47.7 ppb (45) 66.0 ppb (64) 25.0 ppb (24) N/A 0.0 ppb (0) 6.0 ppb (6) 0.64 ppb (7) 26.0 μg/m3 (25) 11.4 μg/m3 (48) 72.0
 
Oct. 14, 2021, 1 p.m. 98.3 ppb (99) 90.4 ppb (90) 90.0 ppb (90) 8.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) 1.11 ppb (13) 29.0 μg/m3 (27) 13.7 μg/m3 (55) 99.0
 
Oct. 14, 2021, noon 95.2 ppb (95) 90.4 ppb (90) 86.0 ppb (86) 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.8 ppb (10) 27.0 μg/m3 (25) 14.7 μg/m3 (57) 95.0
 
Oct. 14, 2021, 11 a.m. 113.0 ppb (104) 107.6 ppb (103) 106.0 ppb (102) 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.76 ppb (10) 25.0 μg/m3 (24) 14.3 μg/m3 (56) 104.0
 
Oct. 14, 2021, 10 a.m. 96.8 ppb (97) 91.2 ppb (91) 93.0 ppb (93) 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.69 ppb (8) 25.0 μg/m3 (24) 13.8 μg/m3 (55) 97.0
 
Oct. 14, 2021, 9 a.m. 69.9 ppb (68) 65.1 ppb (63) 70.0 ppb (69) 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.6 ppb (7) 26.0 μg/m3 (25) 14.0 μg/m3 (55) 69.0
 
Oct. 14, 2021, 8 a.m. 59.4 ppb (57) 54.3 ppb (52) 59.0 ppb (57) 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.56 ppb (7) 27.0 μg/m3 (25) 14.2 μg/m3 (56) 57.0
 
Oct. 14, 2021, 7 a.m. 53.0 ppb (50) 47.6 ppb (45) 51.0 ppb (49) 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.56 ppb (7) 27.0 μg/m3 (25) 14.7 μg/m3 (57) 57.0
 
Oct. 14, 2021, 6 a.m. 46.2 ppb (44) 39.8 ppb (38) 45.0 ppb (43) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.55 ppb (7) 26.0 μg/m3 (25) 14.6 μg/m3 (57) 57.0
 
Oct. 14, 2021, 5 a.m. 70.1 ppb (69) 60.5 ppb (58) 69.0 ppb (67) 9.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) 0.69 ppb (8) 27.0 μg/m3 (25) 14.6 μg/m3 (57) 69.0
 
Oct. 14, 2021, 4 a.m. 65.3 ppb (64) 56.8 ppb (54) 63.0 ppb (61) 8.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) 0.66 ppb (8) N/A N/A 64.0
 
Oct. 14, 2021, 3 a.m. 60.2 ppb (58) 49.0 ppb (47) 61.0 ppb (59) 11.0 ppb (11) N/A 0.0 ppb (0) 0.0 ppb (0) 0.61 ppb (7) 26.0 μg/m3 (25) 13.0 μg/m3 (53) 59.0
 
Oct. 14, 2021, 2 a.m. 19.6 ppb (19) 6.0 ppb (6) 19.0 ppb (18) 13.0 ppb (13) N/A 0.0 ppb (0) 0.0 ppb (0) 0.41 ppb (5) 29.0 μg/m3 (27) 12.6 μg/m3 (53) 53.0
 
Oct. 14, 2021, 1 a.m. 13.8 ppb (14) 1.0 ppb (1) 14.0 ppb (14) 12.0 ppb (12) N/A 0.0 ppb (0) 2.0 ppb (2) 0.38 ppb (5) 27.0 μg/m3 (25) 12.5 μg/m3 (52) 52.0
 
Oct. 14, 2021, midnight 6.1 ppb (6) 0.1 ppb (1) 7.0 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (14) 0.3 ppb (4) 21.0 μg/m3 (20) 10.8 μg/m3 (46) 46.0
 
Oct. 13, 2021, 11 p.m. 3.0 ppb (3) 0.0 ppb (0) 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) 0.23 ppb (3) 19.0 μg/m3 (18) 9.8 μg/m3 (41) 41.0
 
Oct. 13, 2021, 10 p.m. 2.1 ppb (2) -0.1 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.16 ppb (3) 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Oct. 13, 2021, 9 p.m. 1.9 ppb (2) 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (44) 0.16 ppb (3) 16.0 μg/m3 (15) 8.5 μg/m3 (36) 44.0
 
Oct. 13, 2021, 8 p.m. 2.6 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (45) 0.16 ppb (3) 15.0 μg/m3 (14) 8.9 μg/m3 (38) 45.0
 
Oct. 13, 2021, 7 p.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (46) 0.16 ppb (3) 16.0 μg/m3 (15) 9.0 μg/m3 (38) 46.0
 
Oct. 13, 2021, 6 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (44) 0.18 ppb (3) 17.0 μg/m3 (16) 9.4 μg/m3 (40) 44.0
 
Oct. 13, 2021, 5 p.m. 4.5 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) 0.22 ppb (3) 19.0 μg/m3 (18) 10.2 μg/m3 (43) 43.0
 
Oct. 13, 2021, 4 p.m. 6.5 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (33) 0.23 ppb (3) 17.0 μg/m3 (16) 10.3 μg/m3 (43) 43.0
 
Oct. 13, 2021, 3 p.m. 13.8 ppb (14) 3.4 ppb (4) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (24) 0.29 ppb (4) 18.0 μg/m3 (17) 10.5 μg/m3 (44) 44.0
 
Oct. 13, 2021, 2 p.m. 44.3 ppb (42) 25.8 ppb (25) 39.0 ppb (37) 18.0 ppb (17) N/A 0.0 ppb (0) 10.0 ppb (10) 0.5 ppb (6) 21.0 μg/m3 (20) 11.3 μg/m3 (48) 48.0
 
Oct. 13, 2021, 1 p.m. 108.1 ppb (103) 97.1 ppb (97) 99.0 ppb (99) 11.0 ppb (11) N/A 0.0 ppb (0) 0.0 ppb (0) 0.96 ppb (12) 27.0 μg/m3 (25) 13.5 μg/m3 (54) 103.0
 
Oct. 13, 2021, noon 105.5 ppb (102) 99.9 ppb (100) 98.0 ppb (98) 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.89 ppb (11) 28.0 μg/m3 (26) 13.9 μg/m3 (55) 102.0
 
Oct. 13, 2021, 11 a.m. 86.1 ppb (86) 81.0 ppb (80) 81.0 ppb (80) 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.78 ppb (10) 28.0 μg/m3 (26) 14.3 μg/m3 (56) 86.0
 
Oct. 13, 2021, 10 a.m. 73.6 ppb (72) 68.9 ppb (67) 68.0 ppb (66) 4.0 ppb (4) N/A 0.0 ppb (0) 0.0 ppb (0) 0.76 ppb (10) 27.0 μg/m3 (25) 13.8 μg/m3 (55) 72.0
 
Oct. 13, 2021, 9 a.m. 68.1 ppb (67) 63.6 ppb (62) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 0.0 ppb (0) 0.75 ppb (10) 26.0 μg/m3 (25) 13.5 μg/m3 (54) 67.0
 
Oct. 13, 2021, 8 a.m. 58.1 ppb (56) 53.2 ppb (51) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.73 ppb (8) 27.0 μg/m3 (25) 13.7 μg/m3 (55) 56.0
 
Oct. 13, 2021, 7 a.m. 57.8 ppb (56) 52.8 ppb (50) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.76 ppb (10) 26.0 μg/m3 (25) 13.3 μg/m3 (54) 56.0
 
Oct. 13, 2021, 6 a.m. 79.2 ppb (78) 73.5 ppb (72) 73.0 ppb (72) 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.84 ppb (10) 27.0 μg/m3 (25) 13.6 μg/m3 (55) 78.0
 
Oct. 13, 2021, 5 a.m. 62.4 ppb (60) 56.7 ppb (54) 57.0 ppb (55) 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.75 ppb (10) 26.0 μg/m3 (25) 13.1 μg/m3 (54) 60.0
 
Oct. 13, 2021, 4 a.m. 70.0 ppb (69) 62.3 ppb (60) 65.0 ppb (63) 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) 0.78 ppb (10) N/A N/A 69.0
 
Oct. 13, 2021, 3 a.m. 75.3 ppb (74) 66.0 ppb (64) 75.0 ppb (74) 9.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) 0.77 ppb (10) 24.0 μg/m3 (23) 12.8 μg/m3 (53) 74.0
 
Oct. 13, 2021, 2 a.m. 76.7 ppb (76) 65.6 ppb (64) 72.0 ppb (71) 11.0 ppb (11) N/A 0.0 ppb (0) 0.0 ppb (0) 0.75 ppb (10) 24.0 μg/m3 (23) 12.1 μg/m3 (51) 76.0
 
Oct. 13, 2021, 1 a.m. 51.0 ppb (49) 35.1 ppb (34) 48.0 ppb (46) 16.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) 0.64 ppb (7) 23.0 μg/m3 (22) 12.0 μg/m3 (50) 50.0
 
Oct. 13, 2021, midnight 35.7 ppb (34) 13.7 ppb (13) 34.0 ppb (33) 22.0 ppb (21) N/A 0.0 ppb (0) 0.0 ppb (0) 0.51 ppb (6) 21.0 μg/m3 (20) 11.1 μg/m3 (47) 47.0
 
Oct. 12, 2021, 11 p.m. 32.9 ppb (32) 9.5 ppb (9) 28.0 ppb (27) 23.0 ppb (22) N/A 0.0 ppb (0) 3.0 ppb (3) 0.49 ppb (6) 19.0 μg/m3 (18) 10.6 μg/m3 (45) 45.0
 
Oct. 12, 2021, 10 p.m. 12.7 ppb (12) 0.3 ppb (1) 12.0 ppb (12) 12.0 ppb (12) N/A 0.0 ppb (0) 20.0 ppb (19) 0.3 ppb (4) 18.0 μg/m3 (17) 9.5 μg/m3 (40) 40.0
 
Oct. 12, 2021, 9 p.m. 6.5 ppb (7) 0.3 ppb (1) 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (28) 0.24 ppb (3) 18.0 μg/m3 (17) 9.1 μg/m3 (38) 38.0
 
Oct. 12, 2021, 8 p.m. 2.8 ppb (3) 0.1 ppb (1) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) 22.0 μg/m3 (21) 9.1 μg/m3 (38) 38.0
 
Oct. 12, 2021, 7 p.m. 2.5 ppb (3) 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) 0.18 ppb (3) 18.0 μg/m3 (17) 8.7 μg/m3 (37) 37.0
 
Oct. 12, 2021, 6 p.m. 2.7 ppb (3) 0.1 ppb (1) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) 15.0 μg/m3 (14) 8.3 μg/m3 (35) 35.0
 
Oct. 12, 2021, 5 p.m. 2.1 ppb (2) 0.1 ppb (1) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 16.0 μg/m3 (15) 8.3 μg/m3 (35) 35.0
 
Oct. 12, 2021, 4 p.m. 2.3 ppb (3) 0.2 ppb (1) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 16.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
Oct. 12, 2021, 3 p.m. 3.0 ppb (3) 0.4 ppb (1) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (19) N/A 17.0 μg/m3 (16) 9.9 μg/m3 (42) 42.0
 
Oct. 12, 2021, 2 p.m. 3.2 ppb (4) 0.3 ppb (1) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 17.0 μg/m3 (16) 10.2 μg/m3 (43) 43.0
 
Oct. 12, 2021, 1 p.m. 3.9 ppb (4) 0.2 ppb (1) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 12.0 ppb (12) N/A 16.0 μg/m3 (15) 9.8 μg/m3 (41) 41.0
 
Oct. 12, 2021, noon 3.3 ppb (4) 0.1 ppb (1) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (11) N/A 16.0 μg/m3 (15) 10.1 μg/m3 (43) 43.0
 
Oct. 12, 2021, 11 a.m. 2.6 ppb (3) 0.0 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (12) N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Oct. 12, 2021, 10 a.m. 3.5 ppb (4) 0.0 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A N/A 8.0 ppb (8) N/A 17.0 μg/m3 (16) 9.9 μg/m3 (42) 42.0
 
Oct. 12, 2021, 9 a.m. 4.1 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 6.0 ppb (6) N/A N/A N/A 6.0
 
Oct. 12, 2021, 8 a.m. 3.6 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 8.0 ppb (8) N/A N/A N/A 8.0
 
Oct. 12, 2021, 7 a.m. 3.3 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (11) N/A 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Oct. 12, 2021, 6 a.m. 2.4 ppb (3) 0.0 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 10.0 ppb (10) N/A 19.0 μg/m3 (18) 9.1 μg/m3 (38) 38.0
 
Oct. 12, 2021, 5 a.m. 1.5 ppb (2) -0.1 ppb (0) 0.0 ppb (0) 1.0 ppb (1) N/A 0.0 ppb (0) 12.0 ppb (12) N/A 16.0 μg/m3 (15) 8.5 μg/m3 (36) 36.0
 
Oct. 12, 2021, 4 a.m. 3.8 ppb (4) 0.4 ppb (1) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 4.0 ppb (4) N/A 16.0 μg/m3 (15) 7.8 μg/m3 (33) 33.0
 
Oct. 12, 2021, 3 a.m. 4.3 ppb (5) 0.6 ppb (1) 4.0 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 0.0 ppb (0) 0.01 ppb (0) 21.0 μg/m3 (20) 9.5 μg/m3 (40) 40.0
 
Oct. 12, 2021, 2 a.m. 4.8 ppb (5) 0.1 ppb (1) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 3.0 ppb (3) 0.02 ppb (0) 22.0 μg/m3 (21) 10.8 μg/m3 (46) 46.0
 
Oct. 12, 2021, 1 a.m. 5.9 ppb (6) 0.1 ppb (1) 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (4) 0.01 ppb (0) 17.0 μg/m3 (16) 7.7 μg/m3 (33) 33.0
 
Oct. 12, 2021, midnight 3.0 ppb (3) 0.0 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 10.0 ppb (10) N/A 15.0 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
Oct. 11, 2021, 11 p.m. 2.1 ppb (2) -0.1 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (16) N/A 15.0 μg/m3 (14) 6.2 μg/m3 (26) 26.0
 
Oct. 11, 2021, 10 p.m. 1.6 ppb (2) 0.0 ppb (0) 0.0 ppb (0) 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A 12.0 μg/m3 (12) 5.4 μg/m3 (23) 23.0
 
Oct. 11, 2021, 9 p.m. 1.3 ppb (2) -0.1 ppb (0) 0.0 ppb (0) 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 11.0 μg/m3 (11) 5.4 μg/m3 (23) 24.0
 
Oct. 11, 2021, 8 p.m. 1.2 ppb (2) 0.0 ppb (0) 0.0 ppb (0) 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 12.0 μg/m3 (12) 5.3 μg/m3 (23) 27.0
 
Oct. 11, 2021, 7 p.m. 1.2 ppb (2) 0.0 ppb (0) 0.0 ppb (0) 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 10.0 μg/m3 (10) 5.3 μg/m3 (23) 28.0
 
Oct. 11, 2021, 6 p.m. 1.4 ppb (2) 0.0 ppb (0) 0.0 ppb (0) 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 11.0 μg/m3 (11) 5.4 μg/m3 (23) 28.0
 
Oct. 11, 2021, 5 p.m. 1.8 ppb (2) 0.0 ppb (0) 0.0 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 12.0 μg/m3 (12) 5.6 μg/m3 (24) 29.0
 
Oct. 11, 2021, 4 p.m. 2.3 ppb (3) 0.1 ppb (1) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 14.0 μg/m3 (13) 6.6 μg/m3 (28) 28.0
 
Oct. 11, 2021, 3 p.m. 2.9 ppb (3) 0.3 ppb (1) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Oct. 11, 2021, 2 p.m. 6.7 ppb (7) 1.7 ppb (2) 5.0 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.04 ppb (0) 16.0 μg/m3 (15) 6.6 μg/m3 (28) 28.0
 
Oct. 11, 2021, 1 p.m. 18.9 ppb (18) 10.6 ppb (10) 14.0 ppb (14) 8.0 ppb (8) N/A 0.0 ppb (0) N/A 0.18 ppb (3) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
Oct. 11, 2021, noon 57.1 ppb (55) 51.2 ppb (49) 62.0 ppb (60) 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.51 ppb (6) 21.0 μg/m3 (20) 10.3 μg/m3 (43) 60.0
 
Oct. 11, 2021, 11 a.m. 45.5 ppb (43) 41.1 ppb (39) 45.0 ppb (43) 4.0 ppb (4) N/A 0.0 ppb (0) 0.0 ppb (0) 0.47 ppb (6) 21.0 μg/m3 (20) 10.4 μg/m3 (44) 44.0
 
Oct. 11, 2021, 10 a.m. 49.6 ppb (47) 45.4 ppb (43) 47.0 ppb (45) 4.0 ppb (4) N/A 0.0 ppb (0) 0.0 ppb (0) 0.54 ppb (6) 21.0 μg/m3 (20) 11.1 μg/m3 (47) 47.0
 
Oct. 11, 2021, 9 a.m. 52.4 ppb (50) 48.0 ppb (46) 48.0 ppb (46) 4.0 ppb (4) N/A 0.0 ppb (0) 0.0 ppb (0) 0.59 ppb (7) 24.0 μg/m3 (23) 11.5 μg/m3 (48) 50.0
 
Oct. 11, 2021, 8 a.m. 52.3 ppb (50) 47.8 ppb (46) 48.0 ppb (46) 4.0 ppb (4) N/A 0.0 ppb (0) 0.0 ppb (0) 0.65 ppb (8) 24.0 μg/m3 (23) 11.4 μg/m3 (48) 50.0
 
Oct. 11, 2021, 7 a.m. 56.4 ppb (54) 51.2 ppb (49) 51.0 ppb (49) 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.68 ppb (8) 22.0 μg/m3 (21) 11.6 μg/m3 (49) 54.0
 
Oct. 11, 2021, 6 a.m. 64.2 ppb (62) 58.2 ppb (56) 61.0 ppb (59) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.8 ppb (10) 23.0 μg/m3 (22) 11.9 μg/m3 (50) 62.0
 
Oct. 11, 2021, 5 a.m. 66.0 ppb (64) 59.0 ppb (57) 61.0 ppb (59) 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) 0.82 ppb (10) 24.0 μg/m3 (23) 11.7 μg/m3 (49) 64.0
 
Oct. 11, 2021, 4 a.m. 65.7 ppb (64) 58.1 ppb (56) 61.0 ppb (59) 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) 0.76 ppb (10) N/A N/A 64.0
 
Oct. 11, 2021, 3 a.m. 53.0 ppb (50) 44.2 ppb (42) 49.0 ppb (47) 8.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) 0.62 ppb (7) 22.0 μg/m3 (21) 10.5 μg/m3 (44) 50.0
 
Oct. 11, 2021, 2 a.m. 33.9 ppb (32) 21.3 ppb (21) 33.0 ppb (32) 12.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) 0.47 ppb (6) 21.0 μg/m3 (20) 9.9 μg/m3 (42) 42.0
 
Oct. 11, 2021, 1 a.m. 14.3 ppb (14) 2.4 ppb (3) 15.0 ppb (15) 12.0 ppb (12) N/A 0.0 ppb (0) 2.0 ppb (2) 0.22 ppb (3) 17.0 μg/m3 (16) 8.9 μg/m3 (38) 38.0
 
Oct. 11, 2021, midnight 7.9 ppb (8) 0.2 ppb (1) 7.0 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (11) 0.12 ppb (2) 16.0 μg/m3 (15) 8.5 μg/m3 (36) 36.0
 
Oct. 10, 2021, 11 p.m. 4.0 ppb (4) 0.0 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.05 ppb (2) 14.0 μg/m3 (13) 7.2 μg/m3 (31) 31.0
 
Oct. 10, 2021, 10 p.m. 2.7 ppb (3) -0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.01 ppb (0) 12.0 μg/m3 (12) 6.6 μg/m3 (28) 36.0
 
Oct. 10, 2021, 9 p.m. 2.4 ppb (3) 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) N/A 12.0 μg/m3 (12) 6.8 μg/m3 (29) 42.0
 
Oct. 10, 2021, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) N/A 12.0 μg/m3 (12) 6.5 μg/m3 (28) 42.0
 
Oct. 10, 2021, 7 p.m. 1.8 ppb (2) 0.0 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 12.0 μg/m3 (12) 6.2 μg/m3 (26) 40.0
 
Oct. 10, 2021, 6 p.m. 2.0 ppb (2) 0.1 ppb (1) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 10.0 μg/m3 (10) 5.6 μg/m3 (24) 36.0
 
Oct. 10, 2021, 5 p.m. 2.4 ppb (3) 0.1 ppb (1) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 10.0 μg/m3 (10) 5.0 μg/m3 (21) 32.0
 
Oct. 10, 2021, 4 p.m. 2.7 ppb (3) 0.2 ppb (1) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) 0.0 ppb (0) 9.0 μg/m3 (9) 4.6 μg/m3 (20) 29.0
 
Oct. 10, 2021, 3 p.m. 2.5 ppb (3) 0.1 ppb (1) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 9.0 μg/m3 (9) 4.4 μg/m3 (19) 25.0
 
Oct. 10, 2021, 2 p.m. 2.3 ppb (3) 0.2 ppb (1) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 8.0 μg/m3 (8) 4.2 μg/m3 (18) 22.0
 
Oct. 10, 2021, 1 p.m. 3.8 ppb (4) 0.6 ppb (1) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (13) N/A 10.0 μg/m3 (10) 5.7 μg/m3 (24) 24.0
 
Oct. 10, 2021, noon 4.0 ppb (4) 0.8 ppb (1) 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 4.0 ppb (4) 0.03 ppb (0) 15.0 μg/m3 (14) 7.2 μg/m3 (31) 31.0
 
Oct. 10, 2021, 11 a.m. 3.7 ppb (4) 0.3 ppb (1) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 1.0 ppb (1) 0.02 ppb (0) 17.0 μg/m3 (16) 7.9 μg/m3 (33) 33.0
 
Oct. 10, 2021, 10 a.m. 3.0 ppb (3) 0.0 ppb (0) 1.0 ppb (1) 3.0 ppb (3) N/A 0.0 ppb (0) 6.0 ppb (6) 0.02 ppb (0) 15.0 μg/m3 (14) 7.3 μg/m3 (31) 31.0
 
Oct. 10, 2021, 9 a.m. 6.4 ppb (7) 1.2 ppb (2) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 2.0 ppb (2) 0.17 ppb (3) 17.0 μg/m3 (16) 8.8 μg/m3 (37) 37.0
 
Oct. 10, 2021, 8 a.m. 15.0 ppb (15) 7.6 ppb (8) 12.0 ppb (12) 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (5) 23.0 μg/m3 (22) 10.8 μg/m3 (46) 46.0
 
Oct. 10, 2021, 7 a.m. 24.5 ppb (24) 18.3 ppb (18) 21.0 ppb (20) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.59 ppb (7) 29.0 μg/m3 (27) 12.5 μg/m3 (52) 52.0
 
Oct. 10, 2021, 6 a.m. 30.2 ppb (29) 23.9 ppb (23) 27.0 ppb (26) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.68 ppb (8) 25.0 μg/m3 (24) 12.2 μg/m3 (52) 52.0
 
Oct. 10, 2021, 5 a.m. 28.1 ppb (27) 22.3 ppb (22) 25.0 ppb (24) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.59 ppb (7) 26.0 μg/m3 (25) 12.3 μg/m3 (52) 52.0
 
Oct. 10, 2021, 4 a.m. 33.5 ppb (32) 26.2 ppb (25) 31.0 ppb (30) 7.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) 0.67 ppb (8) N/A N/A 32.0
 
Oct. 10, 2021, 3 a.m. 33.1 ppb (32) 24.2 ppb (23) 31.0 ppb (30) 9.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) 0.65 ppb (8) 26.0 μg/m3 (25) 11.8 μg/m3 (50) 50.0
 
Oct. 10, 2021, 2 a.m. 30.4 ppb (29) 18.3 ppb (18) 28.0 ppb (27) 12.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) 0.59 ppb (7) 22.0 μg/m3 (21) 11.5 μg/m3 (48) 48.0
 
Oct. 10, 2021, 1 a.m. 18.0 ppb (17) 5.5 ppb (6) 18.0 ppb (17) 12.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) 0.36 ppb (5) 20.0 μg/m3 (19) 10.3 μg/m3 (43) 43.0
 
Oct. 10, 2021, midnight 11.8 ppb (12) 2.4 ppb (3) 14.0 ppb (14) 9.0 ppb (9) N/A 0.0 ppb (0) 2.0 ppb (2) 0.27 ppb (4) 20.0 μg/m3 (19) 9.3 μg/m3 (39) 39.0
 
Oct. 9, 2021, 11 p.m. 5.5 ppb (6) 0.1 ppb (1) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 12.0 ppb (12) 0.12 ppb (2) 14.0 μg/m3 (13) 7.8 μg/m3 (33) 33.0
 
Oct. 9, 2021, 10 p.m. 7.0 ppb (7) 0.1 ppb (1) 6.0 ppb (6) 7.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (25) 0.11 ppb (2) 13.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
Oct. 9, 2021, 9 p.m. 5.9 ppb (6) 0.1 ppb (1) 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (35) 0.06 ppb (2) 14.0 μg/m3 (13) 7.6 μg/m3 (32) 35.0
 
Oct. 9, 2021, 8 p.m. 2.7 ppb (3) 0.1 ppb (1) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.02 ppb (0) 14.0 μg/m3 (13) 7.5 μg/m3 (32) 42.0
 
Oct. 9, 2021, 7 p.m. 3.1 ppb (3) 0.1 ppb (1) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) 0.03 ppb (0) 13.0 μg/m3 (13) 7.2 μg/m3 (31) 40.0
 
Oct. 9, 2021, 6 p.m. 2.5 ppb (3) 0.1 ppb (1) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) 0.02 ppb (0) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 39.0
 
Oct. 9, 2021, 5 p.m. 2.7 ppb (3) 0.2 ppb (1) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) 0.03 ppb (0) 12.0 μg/m3 (12) 6.3 μg/m3 (27) 39.0
 
Oct. 9, 2021, 4 p.m. 3.7 ppb (4) 0.4 ppb (1) 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.03 ppb (0) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 36.0
 
Oct. 9, 2021, 3 p.m. 6.3 ppb (6) 1.0 ppb (1) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (26) 0.04 ppb (0) 9.0 μg/m3 (9) 5.1 μg/m3 (22) 26.0