ID: 632

AQSQID: 371190041

Site Name: Garinger

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

Updated: July 31, 2021, 4:56 a.m.

Location: Charlotte (Plaza-Shamrock), NC

Reporting: True, Located: True

Current AQI: 74.0

Charlotte (Plaza-Shamrock) NC, US: 35.2411, -80.7831

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 24, 2021, 3 a.m. 9.8 ppb (10) 0.0 ppb (0) 8.4 ppb (8) 9.0 ppb (9) 8.3 ppb (8) 0.0 ppb (0) 26.0 ppb (25) N/A 28.0 μg/m3 (26) 27.0 μg/m3 (83) 83.0
 
July 24, 2021, 2 a.m. 13.0 ppb (13) 0.0 ppb (0) 12.0 ppb (12) 12.0 ppb (12) 12.0 ppb (12) 0.0 ppb (0) 23.0 ppb (22) 0.49 ppb (6) 30.0 μg/m3 (28) 23.0 μg/m3 (74) 74.0
 
July 24, 2021, 1 a.m. 10.4 ppb (10) N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 30.0 ppb (28) 0.47 ppb (6) 29.0 μg/m3 (27) 25.0 μg/m3 (79) 79.0
 
July 24, 2021, midnight 6.4 ppb (7) 0.0 ppb (0) 6.4 ppb (7) 6.0 ppb (6) 6.4 ppb (7) 0.0 ppb (0) 41.0 ppb (38) 0.4 ppb (5) 23.0 μg/m3 (22) 16.0 μg/m3 (60) 60.0
 
July 23, 2021, 11 p.m. 3.5 ppb (4) 0.1 ppb (1) 3.7 ppb (4) 3.0 ppb (3) 3.6 ppb (4) 0.0 ppb (0) 53.0 ppb (50) 0.47 ppb (6) 26.0 μg/m3 (25) 17.0 μg/m3 (62) 62.0
 
July 23, 2021, 10 p.m. 2.1 ppb (2) 0.0 ppb (0) 2.4 ppb (3) 2.0 ppb (2) 2.3 ppb (3) 0.0 ppb (0) 60.0 ppb (68) 0.3 ppb (4) 30.0 μg/m3 (28) 19.0 μg/m3 (66) 68.0
 
July 23, 2021, 9 p.m. 2.4 ppb (3) 0.1 ppb (1) 2.5 ppb (3) 2.0 ppb (2) 2.4 ppb (3) 0.0 ppb (0) 60.0 ppb (68) 0.3 ppb (4) 39.0 μg/m3 (37) 21.0 μg/m3 (70) 70.0
 
July 23, 2021, 8 p.m. 2.2 ppb (3) 0.1 ppb (1) 2.7 ppb (3) 2.0 ppb (2) 2.6 ppb (3) 0.0 ppb (0) 59.0 ppb (65) 0.3 ppb (4) 29.0 μg/m3 (27) 22.0 μg/m3 (72) 72.0
 
July 23, 2021, 7 p.m. 2.1 ppb (2) 0.0 ppb (0) 2.4 ppb (3) 2.0 ppb (2) 2.3 ppb (3) 0.0 ppb (0) 58.0 ppb (61) 0.3 ppb (4) 29.0 μg/m3 (27) 18.0 μg/m3 (64) 64.0
 
July 23, 2021, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) 2.3 ppb (3) 2.0 ppb (2) 2.2 ppb (3) 0.0 ppb (0) 56.0 ppb (55) 0.3 ppb (4) 30.0 μg/m3 (28) 16.0 μg/m3 (60) 60.0
 
July 23, 2021, 5 p.m. 2.0 ppb (2) 0.1 ppb (1) 2.4 ppb (3) 2.0 ppb (2) 2.3 ppb (3) 0.0 ppb (0) 53.0 ppb (50) 0.3 ppb (4) 28.0 μg/m3 (26) 21.0 μg/m3 (70) 70.0
 
July 23, 2021, 4 p.m. 2.0 ppb (2) 0.1 ppb (1) 2.4 ppb (3) 2.0 ppb (2) 2.3 ppb (3) 0.0 ppb (0) 50.0 ppb (47) 0.3 ppb (4) 26.0 μg/m3 (25) 16.0 μg/m3 (60) 60.0
 
July 23, 2021, 3 p.m. 2.8 ppb (3) 0.2 ppb (1) 3.2 ppb (4) 2.0 ppb (2) 3.0 ppb (3) 0.0 ppb (0) 48.0 ppb (45) 0.32 ppb (4) 27.0 μg/m3 (25) 18.0 μg/m3 (64) 64.0
 
July 23, 2021, 2 p.m. 5.6 ppb (6) 0.7 ppb (1) 6.0 ppb (6) 5.0 ppb (5) 5.2 ppb (5) 0.0 ppb (0) 40.0 ppb (38) 0.36 ppb (5) 33.0 μg/m3 (31) 19.0 μg/m3 (66) 66.0
 
July 23, 2021, 1 p.m. 8.1 ppb (8) 1.4 ppb (2) 8.1 ppb (8) 6.0 ppb (6) 6.6 ppb (7) 0.0 ppb (0) 29.0 ppb (27) 0.38 ppb (5) 35.0 μg/m3 (33) 22.0 μg/m3 (72) 72.0
 
July 23, 2021, noon 9.0 ppb (9) 1.0 ppb (1) 8.8 ppb (9) 8.0 ppb (8) 7.8 ppb (8) 0.0 ppb (0) 23.0 ppb (22) 0.39 ppb (5) 32.0 μg/m3 (30) 26.0 μg/m3 (81) 81.0
 
July 23, 2021, 11 a.m. 10.9 ppb (11) 1.0 ppb (1) 10.4 ppb (10) 9.0 ppb (9) 9.3 ppb (9) 0.0 ppb (0) 19.0 ppb (18) 0.39 ppb (5) 34.0 μg/m3 (32) 24.0 μg/m3 (77) 77.0
 
July 23, 2021, 10 a.m. 7.9 ppb (8) 0.1 ppb (1) 7.7 ppb (8) 7.0 ppb (7) 7.6 ppb (8) 0.0 ppb (0) N/A 0.38 ppb (5) 32.0 μg/m3 (30) 21.0 μg/m3 (70) 70.0
 
July 23, 2021, 9 a.m. 6.8 ppb (7) 0.0 ppb (0) 6.4 ppb (7) 6.0 ppb (6) 6.4 ppb (7) 0.0 ppb (0) 16.0 ppb (15) 0.34 ppb (4) 26.0 μg/m3 (25) 19.0 μg/m3 (66) 66.0
 
July 23, 2021, 8 a.m. 5.1 ppb (5) 0.0 ppb (0) 5.0 ppb (5) 5.0 ppb (5) 4.9 ppb (5) 0.0 ppb (0) 22.0 ppb (21) 0.33 ppb (4) 26.0 μg/m3 (25) 19.0 μg/m3 (66) 66.0
 
July 23, 2021, 7 a.m. 4.3 ppb (5) 0.0 ppb (0) 4.0 ppb (4) 4.0 ppb (4) 4.0 ppb (4) 0.0 ppb (0) 30.0 ppb (28) 0.34 ppb (4) 28.0 μg/m3 (26) 27.0 μg/m3 (83) 83.0
 
July 23, 2021, 6 a.m. 4.7 ppb (5) 0.0 ppb (0) 4.3 ppb (5) 4.0 ppb (4) 4.3 ppb (5) 0.0 ppb (0) 29.0 ppb (27) 0.35 ppb (4) 31.0 μg/m3 (29) 19.0 μg/m3 (66) 66.0
 
July 23, 2021, 5 a.m. 4.0 ppb (4) 0.0 ppb (0) 3.7 ppb (4) 4.0 ppb (4) 3.7 ppb (4) 0.0 ppb (0) 35.0 ppb (33) 0.36 ppb (5) 27.0 μg/m3 (25) 27.0 μg/m3 (83) 83.0
 
July 23, 2021, 4 a.m. 4.4 ppb (5) 0.0 ppb (0) 3.7 ppb (4) 4.0 ppb (4) 3.7 ppb (4) 0.0 ppb (0) 40.0 ppb (38) 0.35 ppb (4) 35.0 μg/m3 (33) 22.0 μg/m3 (72) 72.0
 
July 23, 2021, 3 a.m. N/A 0.0 ppb (0) 4.1 ppb (4) N/A 4.1 ppb (4) 0.0 ppb (0) 43.0 ppb (40) 0.36 ppb (5) 36.0 μg/m3 (34) 26.0 μg/m3 (81) 81.0
 
July 23, 2021, 2 a.m. N/A 0.0 ppb (0) 4.6 ppb (5) N/A 4.6 ppb (5) 0.0 ppb (0) 45.0 ppb (42) 0.38 ppb (5) 33.0 μg/m3 (31) 26.0 μg/m3 (81) 81.0
 
July 23, 2021, 1 a.m. 5.1 ppb (5) 0.0 ppb (0) 5.0 ppb (5) 5.0 ppb (5) 5.0 ppb (5) 0.0 ppb (0) 52.0 ppb (49) 0.41 ppb (5) 34.0 μg/m3 (32) 24.0 μg/m3 (77) 77.0
 
July 23, 2021, midnight 4.6 ppb (5) 0.0 ppb (0) 4.7 ppb (5) 4.0 ppb (4) 4.7 ppb (5) 0.0 ppb (0) 62.0 ppb (74) 0.38 ppb (5) 31.0 μg/m3 (29) 27.0 μg/m3 (83) 83.0
 
July 22, 2021, 11 p.m. 3.8 ppb (4) 0.0 ppb (0) 4.1 ppb (4) 4.0 ppb (4) 4.1 ppb (4) 0.0 ppb (0) 68.0 ppb (94) 0.36 ppb (5) 37.0 μg/m3 (35) 26.0 μg/m3 (81) 94.0
 
July 22, 2021, 10 p.m. 2.9 ppb (3) 0.0 ppb (0) 3.2 ppb (4) 3.0 ppb (3) 3.2 ppb (4) 0.0 ppb (0) 66.0 ppb (87) 0.34 ppb (4) 40.0 μg/m3 (38) 27.0 μg/m3 (83) 87.0
 
July 22, 2021, 9 p.m. 3.1 ppb (3) 0.1 ppb (1) 3.5 ppb (4) 3.0 ppb (3) 3.4 ppb (4) 0.0 ppb (0) 66.0 ppb (87) 0.34 ppb (4) 38.0 μg/m3 (36) 28.0 μg/m3 (85) 87.0
 
July 22, 2021, 8 p.m. 3.1 ppb (3) 0.1 ppb (1) 3.7 ppb (4) 3.0 ppb (3) 3.5 ppb (4) 0.0 ppb (0) 67.0 ppb (91) 0.34 ppb (4) 38.0 μg/m3 (36) 21.0 μg/m3 (70) 91.0
 
July 22, 2021, 7 p.m. 3.5 ppb (4) 0.1 ppb (1) 3.9 ppb (4) 3.0 ppb (3) 3.7 ppb (4) 0.0 ppb (0) 73.0 ppb (103) 0.34 ppb (4) 37.0 μg/m3 (35) 27.0 μg/m3 (83) 103.0
 
July 22, 2021, 6 p.m. 3.6 ppb (4) 0.1 ppb (1) 4.1 ppb (4) 3.0 ppb (3) 3.9 ppb (4) 0.0 ppb (0) 73.0 ppb (103) 0.34 ppb (4) 37.0 μg/m3 (35) 22.0 μg/m3 (72) 103.0
 
July 22, 2021, 5 p.m. 3.1 ppb (3) 0.1 ppb (1) 3.5 ppb (4) 3.0 ppb (3) 3.4 ppb (4) 0.0 ppb (0) 66.0 ppb (87) 0.32 ppb (4) 31.0 μg/m3 (29) 23.0 μg/m3 (74) 87.0
 
July 22, 2021, 4 p.m. 3.4 ppb (4) 0.1 ppb (1) 3.7 ppb (4) 3.0 ppb (3) 3.5 ppb (4) 0.0 ppb (0) 63.0 ppb (78) 0.32 ppb (4) 36.0 μg/m3 (34) 25.0 μg/m3 (79) 79.0
 
July 22, 2021, 3 p.m. 4.0 ppb (4) 0.2 ppb (1) 4.3 ppb (5) 3.0 ppb (3) 4.0 ppb (4) 0.0 ppb (0) 58.0 ppb (61) 0.33 ppb (4) 35.0 μg/m3 (33) 26.0 μg/m3 (81) 81.0
 
July 22, 2021, 2 p.m. 6.0 ppb (6) 0.6 ppb (1) 5.7 ppb (6) 5.0 ppb (5) 5.1 ppb (5) 0.0 ppb (0) 50.0 ppb (47) 0.34 ppb (4) 36.0 μg/m3 (34) 26.0 μg/m3 (81) 81.0
 
July 22, 2021, 1 p.m. 11.8 ppb (12) 1.9 ppb (2) 11.4 ppb (11) 10.0 ppb (10) 9.4 ppb (9) 0.0 ppb (0) 36.0 ppb (34) 0.38 ppb (5) 41.0 μg/m3 (38) 30.0 μg/m3 (89) 89.0
 
July 22, 2021, noon 12.9 ppb (13) 1.9 ppb (2) 12.4 ppb (12) 11.0 ppb (11) 10.4 ppb (10) 0.0 ppb (0) 26.0 ppb (25) 0.42 ppb (5) 45.0 μg/m3 (42) 30.0 μg/m3 (89) 89.0
 
July 22, 2021, 11 a.m. 16.9 ppb (16) 1.9 ppb (2) 15.2 ppb (15) 14.0 ppb (14) 13.3 ppb (13) 0.0 ppb (0) 18.0 ppb (17) 0.43 ppb (5) 39.0 μg/m3 (37) 32.0 μg/m3 (93) 93.0
 
July 22, 2021, 10 a.m. 10.5 ppb (10) 0.1 ppb (1) 10.0 ppb (10) 10.0 ppb (10) 9.8 ppb (10) 0.0 ppb (0) N/A 0.4 ppb (5) 41.0 μg/m3 (38) 30.0 μg/m3 (89) 89.0
 
July 22, 2021, 9 a.m. 13.1 ppb (13) 0.0 ppb (0) 12.8 ppb (13) 12.0 ppb (12) 12.7 ppb (12) 0.0 ppb (0) 8.0 ppb (8) 0.41 ppb (5) 36.0 μg/m3 (34) 22.0 μg/m3 (72) 72.0
 
July 22, 2021, 8 a.m. 9.7 ppb (10) 0.0 ppb (0) 9.7 ppb (10) 9.0 ppb (9) 9.7 ppb (10) 0.0 ppb (0) 11.0 ppb (11) 0.42 ppb (5) 37.0 μg/m3 (35) 22.0 μg/m3 (72) 72.0
 
July 22, 2021, 7 a.m. 8.1 ppb (8) 0.0 ppb (0) 8.4 ppb (8) 8.0 ppb (8) 8.4 ppb (8) 0.0 ppb (0) 17.0 ppb (16) 0.37 ppb (5) 31.0 μg/m3 (29) 21.0 μg/m3 (70) 70.0
 
July 22, 2021, 6 a.m. 5.2 ppb (5) 0.0 ppb (0) 5.3 ppb (5) 5.0 ppb (5) 5.2 ppb (5) N/A 21.0 ppb (20) 0.35 ppb (4) 32.0 μg/m3 (30) 24.0 μg/m3 (77) 77.0
 
July 22, 2021, 5 a.m. 5.5 ppb (6) 0.0 ppb (0) 5.1 ppb (5) 5.0 ppb (5) 5.1 ppb (5) 0.0 ppb (0) 23.0 ppb (22) 0.38 ppb (5) 28.0 μg/m3 (26) 26.0 μg/m3 (81) 81.0
 
July 22, 2021, 4 a.m. 5.4 ppb (6) 0.0 ppb (0) 5.1 ppb (5) 5.0 ppb (5) 5.1 ppb (5) 0.0 ppb (0) 32.0 ppb (30) 0.36 ppb (5) 28.0 μg/m3 (26) 25.0 μg/m3 (79) 79.0
 
July 22, 2021, 3 a.m. 5.4 ppb (6) 0.0 ppb (0) 4.9 ppb (5) 5.0 ppb (5) 4.8 ppb (5) 0.0 ppb (0) 37.0 ppb (35) N/A 36.0 μg/m3 (34) 20.0 μg/m3 (68) 68.0
 
July 22, 2021, 2 a.m. 6.0 ppb (6) 0.0 ppb (0) 5.3 ppb (5) 6.0 ppb (6) 5.3 ppb (5) 0.0 ppb (0) 41.0 ppb (38) 0.39 ppb (5) 35.0 μg/m3 (33) 24.0 μg/m3 (77) 77.0
 
July 22, 2021, 1 a.m. 4.4 ppb (5) N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 47.0 ppb (44) 0.38 ppb (5) 41.0 μg/m3 (38) 31.0 μg/m3 (91) 91.0
 
July 22, 2021, midnight 4.6 ppb (5) 0.0 ppb (0) 4.7 ppb (5) 4.0 ppb (4) 4.7 ppb (5) 0.0 ppb (0) 43.0 ppb (40) 0.38 ppb (5) 38.0 μg/m3 (36) 31.0 μg/m3 (91) 91.0
 
July 21, 2021, 11 p.m. 3.2 ppb (4) 0.0 ppb (0) 3.7 ppb (4) 3.0 ppb (3) 3.6 ppb (4) 0.0 ppb (0) 44.0 ppb (41) 0.34 ppb (4) 37.0 μg/m3 (35) 24.0 μg/m3 (77) 77.0
 
July 21, 2021, 10 p.m. 2.6 ppb (3) 0.0 ppb (0) 3.2 ppb (4) 2.0 ppb (2) 3.1 ppb (3) 0.0 ppb (0) 52.0 ppb (49) 0.34 ppb (4) 36.0 μg/m3 (34) 26.0 μg/m3 (81) 81.0
 
July 21, 2021, 9 p.m. 2.6 ppb (3) 0.1 ppb (1) 3.1 ppb (3) 2.0 ppb (2) 3.0 ppb (3) 0.0 ppb (0) 56.0 ppb (55) 0.34 ppb (4) 39.0 μg/m3 (37) 31.0 μg/m3 (91) 91.0
 
July 21, 2021, 8 p.m. 2.6 ppb (3) 0.1 ppb (1) 3.2 ppb (4) 2.0 ppb (2) 3.0 ppb (3) 0.0 ppb (0) 56.0 ppb (55) 0.34 ppb (4) 38.0 μg/m3 (36) 27.0 μg/m3 (83) 83.0
 
July 21, 2021, 7 p.m. 3.0 ppb (3) 0.1 ppb (1) 3.5 ppb (4) 3.0 ppb (3) 3.4 ppb (4) 0.0 ppb (0) 58.0 ppb (61) 0.34 ppb (4) 37.0 μg/m3 (35) 27.0 μg/m3 (83) 83.0
 
July 21, 2021, 6 p.m. 3.1 ppb (3) 0.1 ppb (1) 3.6 ppb (4) 3.0 ppb (3) 3.5 ppb (4) 0.0 ppb (0) 58.0 ppb (61) 0.34 ppb (4) 45.0 μg/m3 (42) 29.0 μg/m3 (87) 87.0
 
July 21, 2021, 5 p.m. 3.0 ppb (3) 0.1 ppb (1) 3.8 ppb (4) 3.0 ppb (3) 3.6 ppb (4) 0.0 ppb (0) 56.0 ppb (55) 0.34 ppb (4) 39.0 μg/m3 (37) 28.0 μg/m3 (85) 85.0
 
July 21, 2021, 4 p.m. 4.0 ppb (4) 0.2 ppb (1) 4.8 ppb (5) 4.0 ppb (4) 4.6 ppb (5) 0.0 ppb (0) 62.0 ppb (74) 0.34 ppb (4) 42.0 μg/m3 (39) 31.0 μg/m3 (91) 91.0
 
July 21, 2021, 3 p.m. 5.8 ppb (6) 0.5 ppb (1) 6.4 ppb (7) 5.0 ppb (5) 5.9 ppb (6) 0.0 ppb (0) 56.0 ppb (55) 0.33 ppb (4) 37.0 μg/m3 (35) 26.0 μg/m3 (81) 81.0
 
July 21, 2021, 2 p.m. 9.2 ppb (9) 1.4 ppb (2) 9.4 ppb (9) 8.0 ppb (8) 7.9 ppb (8) 0.0 ppb (0) 41.0 ppb (38) 0.33 ppb (4) 33.0 μg/m3 (31) 21.0 μg/m3 (70) 70.0
 
July 21, 2021, 1 p.m. 8.5 ppb (9) 2.5 ppb (3) 10.5 ppb (10) 7.0 ppb (7) 7.9 ppb (8) 0.0 ppb (0) 29.0 ppb (27) 0.33 ppb (4) 29.0 μg/m3 (27) 22.0 μg/m3 (72) 72.0
 
July 21, 2021, noon 15.1 ppb (15) 2.7 ppb (3) 13.8 ppb (14) 12.0 ppb (12) 11.0 ppb (11) 0.0 ppb (0) 17.0 ppb (16) 0.38 ppb (5) 34.0 μg/m3 (32) 20.0 μg/m3 (68) 68.0
 
July 21, 2021, 11 a.m. 18.5 ppb (18) 3.9 ppb (4) 18.8 ppb (18) 14.0 ppb (14) 14.9 ppb (15) 0.0 ppb (0) 5.0 ppb (5) 0.38 ppb (5) 37.0 μg/m3 (35) 21.0 μg/m3 (70) 70.0
 
July 21, 2021, 10 a.m. 10.5 ppb (10) 0.5 ppb (1) 11.1 ppb (11) 10.0 ppb (10) 10.6 ppb (10) 0.0 ppb (0) N/A 0.32 ppb (4) 27.0 μg/m3 (25) 17.0 μg/m3 (62) 62.0
 
July 21, 2021, 9 a.m. 7.9 ppb (8) 0.0 ppb (0) 7.7 ppb (8) 7.0 ppb (7) 7.7 ppb (8) 0.0 ppb (0) 10.0 ppb (10) 0.3 ppb (4) 29.0 μg/m3 (27) 15.0 μg/m3 (58) 58.0
 
July 21, 2021, 8 a.m. 9.3 ppb (9) 0.0 ppb (0) 9.2 ppb (9) 9.0 ppb (9) 9.1 ppb (9) 0.0 ppb (0) 10.0 ppb (10) 0.33 ppb (4) 32.0 μg/m3 (30) 18.0 μg/m3 (64) 64.0
 
July 21, 2021, 7 a.m. 11.9 ppb (12) 0.1 ppb (1) 11.6 ppb (11) 11.0 ppb (11) 11.5 ppb (11) 0.0 ppb (0) 5.0 ppb (5) 0.38 ppb (5) 30.0 μg/m3 (28) 15.0 μg/m3 (58) 58.0
 
July 21, 2021, 6 a.m. 10.9 ppb (11) 0.0 ppb (0) 11.3 ppb (11) 10.0 ppb (10) 11.3 ppb (11) 0.0 ppb (0) 7.0 ppb (7) 0.39 ppb (5) 28.0 μg/m3 (26) 14.0 μg/m3 (55) 55.0
 
July 21, 2021, 5 a.m. 8.5 ppb (9) 0.0 ppb (0) 8.6 ppb (9) 8.0 ppb (8) 8.6 ppb (9) 0.0 ppb (0) 11.0 ppb (11) 0.33 ppb (4) 28.0 μg/m3 (26) 17.0 μg/m3 (62) 62.0
 
July 21, 2021, 4 a.m. 8.2 ppb (8) 0.0 ppb (0) 7.6 ppb (8) 8.0 ppb (8) 7.6 ppb (8) 0.0 ppb (0) 16.0 ppb (15) 0.32 ppb (4) 23.0 μg/m3 (22) 16.0 μg/m3 (60) 60.0
 
July 21, 2021, 3 a.m. N/A 0.0 ppb (0) 4.2 ppb (4) N/A 4.2 ppb (4) 0.0 ppb (0) 19.0 ppb (18) 0.3 ppb (4) 26.0 μg/m3 (25) 14.0 μg/m3 (55) 55.0
 
July 21, 2021, 2 a.m. N/A 0.0 ppb (0) 3.9 ppb (4) N/A 3.9 ppb (4) 0.0 ppb (0) 22.0 ppb (21) 0.29 ppb (4) 23.0 μg/m3 (22) 20.0 μg/m3 (68) 68.0
 
July 21, 2021, 1 a.m. 4.8 ppb (5) 0.0 ppb (0) 4.2 ppb (4) 4.0 ppb (4) 4.2 ppb (4) 0.0 ppb (0) 24.0 ppb (23) 0.31 ppb (4) 23.0 μg/m3 (22) 18.0 μg/m3 (64) 64.0
 
July 21, 2021, midnight 5.9 ppb (6) 0.0 ppb (0) 5.9 ppb (6) 6.0 ppb (6) 5.8 ppb (6) 0.0 ppb (0) 31.0 ppb (29) 0.35 ppb (4) 27.0 μg/m3 (25) 23.0 μg/m3 (74) 74.0
 
July 20, 2021, 11 p.m. 4.3 ppb (5) 0.0 ppb (0) 4.1 ppb (4) 4.0 ppb (4) 4.0 ppb (4) 0.0 ppb (0) 40.0 ppb (38) 0.3 ppb (4) 31.0 μg/m3 (29) 19.0 μg/m3 (66) 66.0
 
July 20, 2021, 10 p.m. 3.1 ppb (3) 0.1 ppb (1) 3.1 ppb (3) 3.0 ppb (3) 3.0 ppb (3) 0.0 ppb (0) 47.0 ppb (44) 0.27 ppb (4) 25.0 μg/m3 (24) 16.0 μg/m3 (60) 60.0
 
July 20, 2021, 9 p.m. 2.2 ppb (3) 0.1 ppb (1) 2.3 ppb (3) 2.0 ppb (2) 2.2 ppb (3) 0.0 ppb (0) 49.0 ppb (46) 0.24 ppb (3) 19.0 μg/m3 (18) 17.0 μg/m3 (62) 62.0
 
July 20, 2021, 8 p.m. 2.4 ppb (3) 0.1 ppb (1) 2.5 ppb (3) 2.0 ppb (2) 2.4 ppb (3) 0.0 ppb (0) 52.0 ppb (49) 0.23 ppb (3) 22.0 μg/m3 (21) 16.0 μg/m3 (60) 60.0
 
July 20, 2021, 7 p.m. 2.6 ppb (3) 0.2 ppb (1) 2.9 ppb (3) 2.0 ppb (2) 2.7 ppb (3) 0.0 ppb (0) 48.0 ppb (45) 0.23 ppb (3) 21.0 μg/m3 (20) 20.0 μg/m3 (68) 68.0
 
July 20, 2021, 6 p.m. 3.6 ppb (4) 0.3 ppb (1) 3.8 ppb (4) 3.0 ppb (3) 3.4 ppb (4) 0.0 ppb (0) 43.0 ppb (40) 0.24 ppb (3) 22.0 μg/m3 (21) 15.0 μg/m3 (58) 58.0
 
July 20, 2021, 5 p.m. 3.7 ppb (4) 0.2 ppb (1) 3.9 ppb (4) 3.0 ppb (3) 3.6 ppb (4) 0.0 ppb (0) 45.0 ppb (42) 0.25 ppb (3) 24.0 μg/m3 (23) 15.0 μg/m3 (58) 58.0
 
July 20, 2021, 4 p.m. 5.6 ppb (6) 0.5 ppb (1) 5.8 ppb (6) 5.0 ppb (5) 5.2 ppb (5) 0.0 ppb (0) 42.0 ppb (39) 0.24 ppb (3) 26.0 μg/m3 (25) 15.0 μg/m3 (58) 58.0
 
July 20, 2021, 3 p.m. 5.8 ppb (6) 0.8 ppb (1) 6.1 ppb (6) 5.0 ppb (5) 5.2 ppb (5) 0.0 ppb (0) 36.0 ppb (34) 0.24 ppb (3) 19.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
July 20, 2021, 2 p.m. 6.3 ppb (6) 0.9 ppb (1) 6.0 ppb (6) 5.0 ppb (5) 5.1 ppb (5) 0.0 ppb (0) 29.0 ppb (27) 0.24 ppb (3) 24.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
July 20, 2021, 1 p.m. 7.9 ppb (8) 1.6 ppb (2) 7.3 ppb (7) 6.0 ppb (6) 5.7 ppb (6) 0.0 ppb (0) 19.0 ppb (18) 0.26 ppb (4) 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
July 20, 2021, noon 15.4 ppb (15) 5.7 ppb (6) 14.6 ppb (14) 9.0 ppb (9) 8.9 ppb (9) 0.0 ppb (0) 6.0 ppb (6) 0.31 ppb (4) 22.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
July 20, 2021, 11 a.m. 7.7 ppb (8) 0.9 ppb (1) 8.3 ppb (8) 6.0 ppb (6) 7.4 ppb (7) 0.0 ppb (0) 4.0 ppb (4) 0.23 ppb (3) 21.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
July 20, 2021, 10 a.m. 7.2 ppb (7) 0.2 ppb (1) 7.3 ppb (7) 7.0 ppb (7) 7.0 ppb (7) 0.0 ppb (0) N/A 0.22 ppb (3) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
July 20, 2021, 9 a.m. 6.1 ppb (6) 0.1 ppb (1) 6.1 ppb (6) 6.0 ppb (6) 6.0 ppb (6) 0.0 ppb (0) 4.0 ppb (4) 0.21 ppb (3) 18.0 μg/m3 (17) 2.0 μg/m3 (9) 17.0
 
July 20, 2021, 8 a.m. 6.1 ppb (6) 0.1 ppb (1) 5.8 ppb (6) 6.0 ppb (6) 5.7 ppb (6) 0.0 ppb (0) 4.0 ppb (4) 0.22 ppb (3) 20.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
July 20, 2021, 7 a.m. 7.0 ppb (7) 0.1 ppb (1) 6.9 ppb (7) 6.0 ppb (6) 6.8 ppb (7) 0.0 ppb (0) 5.0 ppb (5) 0.23 ppb (3) 21.0 μg/m3 (20) 5.0 μg/m3 (21) 21.0
 
July 20, 2021, 6 a.m. 9.1 ppb (9) 0.1 ppb (1) 8.2 ppb (8) 8.0 ppb (8) 8.1 ppb (8) N/A 4.0 ppb (4) 0.24 ppb (3) 14.0 μg/m3 (13) 1.0 μg/m3 (5) 13.0
 
July 20, 2021, 5 a.m. 8.3 ppb (8) 0.3 ppb (1) 8.2 ppb (8) 8.0 ppb (8) 7.9 ppb (8) 0.0 ppb (0) 3.0 ppb (3) 0.28 ppb (4) 22.0 μg/m3 (21) 2.0 μg/m3 (9) 21.0
 
July 20, 2021, 4 a.m. 7.5 ppb (8) 0.5 ppb (1) 7.3 ppb (7) 6.0 ppb (6) 6.8 ppb (7) 0.0 ppb (0) 1.0 ppb (1) 0.29 ppb (4) 17.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
July 20, 2021, 3 a.m. 5.2 ppb (5) 0.2 ppb (1) 4.8 ppb (5) 5.0 ppb (5) 4.6 ppb (5) 0.0 ppb (0) 2.0 ppb (2) N/A 13.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
July 20, 2021, 2 a.m. 4.7 ppb (5) 0.0 ppb (0) 3.8 ppb (4) 4.0 ppb (4) 3.7 ppb (4) 0.0 ppb (0) 6.0 ppb (6) 0.26 ppb (4) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 13.0
 
July 20, 2021, 1 a.m. 4.2 ppb (4) N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 8.0 ppb (8) 0.22 ppb (3) 11.0 μg/m3 (11) 3.0 μg/m3 (13) 13.0
 
July 20, 2021, midnight 3.8 ppb (4) 0.0 ppb (0) 3.5 ppb (4) 4.0 ppb (4) 3.5 ppb (4) 0.0 ppb (0) 15.0 ppb (14) 0.21 ppb (3) 15.0 μg/m3 (14) 3.0 μg/m3 (13) 14.0
 
July 19, 2021, 11 p.m. 2.6 ppb (3) 0.0 ppb (0) 2.5 ppb (3) 2.0 ppb (2) 2.4 ppb (3) 0.0 ppb (0) 23.0 ppb (22) 0.17 ppb (3) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 22.0
 
July 19, 2021, 10 p.m. 1.9 ppb (2) 0.1 ppb (1) 1.7 ppb (2) 2.0 ppb (2) 1.6 ppb (2) 0.0 ppb (0) 35.0 ppb (33) 0.14 ppb (2) 2.0 μg/m3 (2) 2.0 μg/m3 (9) 33.0
 
July 19, 2021, 9 p.m. 2.0 ppb (2) 0.2 ppb (1) 1.7 ppb (2) 2.0 ppb (2) 1.5 ppb (2) 0.0 ppb (0) 35.0 ppb (33) 0.13 ppb (2) 4.0 μg/m3 (4) 2.0 μg/m3 (9) 33.0
 
July 19, 2021, 8 p.m. 2.3 ppb (3) 0.2 ppb (1) 1.8 ppb (2) 2.0 ppb (2) 1.5 ppb (2) 0.0 ppb (0) 34.0 ppb (32) 0.13 ppb (2) 3.0 μg/m3 (3) 3.0 μg/m3 (13) 32.0
 
July 19, 2021, 7 p.m. 3.0 ppb (3) 0.4 ppb (1) 2.5 ppb (3) 2.0 ppb (2) 2.1 ppb (2) 0.0 ppb (0) 29.0 ppb (27) 0.14 ppb (2) 3.0 μg/m3 (3) 1.0 μg/m3 (5) 27.0
 
July 19, 2021, 6 p.m. 4.4 ppb (5) 0.5 ppb (1) 3.8 ppb (4) 4.0 ppb (4) 3.3 ppb (4) 0.0 ppb (0) 30.0 ppb (28) 0.16 ppb (3) 3.0 μg/m3 (3) 0.0 μg/m3 (0) 28.0
 
July 19, 2021, 5 p.m. 3.9 ppb (4) 0.6 ppb (1) 3.5 ppb (4) 3.0 ppb (3) 2.8 ppb (3) 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) 2.0 μg/m3 (2) 0.0 μg/m3 (0) 28.0
 
July 19, 2021, 4 p.m. 3.4 ppb (4) 0.5 ppb (1) 3.0 ppb (3) 3.0 ppb (3) 2.5 ppb (3) 0.0 ppb (0) 22.0 ppb (21) 0.15 ppb (2) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 21.0
 
July 19, 2021, 3 p.m. 3.3 ppb (4) 0.3 ppb (1) 2.8 ppb (3) 3.0 ppb (3) 2.4 ppb (3) 0.0 ppb (0) 19.0 ppb (18) 0.15 ppb (2) 7.0 μg/m3 (7) 1.0 μg/m3 (5) 18.0
 
July 19, 2021, 2 p.m. 3.6 ppb (4) 0.4 ppb (1) 3.0 ppb (3) 3.0 ppb (3) 2.6 ppb (3) 0.0 ppb (0) 18.0 ppb (17) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 17.0
 
July 19, 2021, 1 p.m. 4.9 ppb (5) 0.8 ppb (1) 4.1 ppb (4) 4.0 ppb (4) 3.3 ppb (4) 0.0 ppb (0) 16.0 ppb (15) 0.16 ppb (3) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 15.0
 
July 19, 2021, noon 3.5 ppb (4) 0.4 ppb (1) 3.8 ppb (4) 3.0 ppb (3) 3.4 ppb (4) 0.0 ppb (0) 14.0 ppb (13) 0.15 ppb (2) 8.0 μg/m3 (8) 1.0 μg/m3 (5) 13.0
 
July 19, 2021, 11 a.m. 2.9 ppb (3) 0.1 ppb (1) 2.3 ppb (3) 3.0 ppb (3) 2.1 ppb (2) 0.0 ppb (0) 14.0 ppb (13) 0.14 ppb (2) 8.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
July 19, 2021, 10 a.m. 2.3 ppb (3) 0.0 ppb (0) 1.7 ppb (2) 2.0 ppb (2) 1.6 ppb (2) 0.0 ppb (0) N/A 0.13 ppb (2) 9.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
July 19, 2021, 9 a.m. 1.9 ppb (2) 0.0 ppb (0) 1.2 ppb (2) 2.0 ppb (2) 1.2 ppb (2) 0.0 ppb (0) 16.0 ppb (15) 0.12 ppb (2) 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
July 19, 2021, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) 1.3 ppb (2) 2.0 ppb (2) 1.3 ppb (2) 0.0 ppb (0) 15.0 ppb (14) 0.13 ppb (2) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 14.0
 
July 19, 2021, 7 a.m. 2.2 ppb (3) 0.0 ppb (0) 1.5 ppb (2) 2.0 ppb (2) 1.5 ppb (2) 0.0 ppb (0) 16.0 ppb (15) 0.13 ppb (2) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 15.0
 
July 19, 2021, 6 a.m. 2.0 ppb (2) 0.0 ppb (0) 1.3 ppb (2) 2.0 ppb (2) 1.3 ppb (2) 0.0 ppb (0) 20.0 ppb (19) 0.12 ppb (2) 5.0 μg/m3 (5) 1.0 μg/m3 (5) 19.0
 
July 19, 2021, 5 a.m. 2.0 ppb (2) 0.0 ppb (0) 1.4 ppb (2) 2.0 ppb (2) 1.4 ppb (2) 0.0 ppb (0) 24.0 ppb (23) 0.12 ppb (2) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 23.0
 
July 19, 2021, 4 a.m. 3.5 ppb (4) 0.0 ppb (0) 2.6 ppb (3) 3.0 ppb (3) 2.5 ppb (3) 0.0 ppb (0) 21.0 ppb (20) 0.13 ppb (2) 7.0 μg/m3 (7) 3.0 μg/m3 (13) 20.0
 
July 19, 2021, 3 a.m. N/A 0.0 ppb (0) 2.6 ppb (3) N/A 2.5 ppb (3) 0.0 ppb (0) 23.0 ppb (22) 0.13 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
July 19, 2021, 2 a.m. N/A 0.0 ppb (0) 2.8 ppb (3) N/A 2.8 ppb (3) 0.0 ppb (0) 21.0 ppb (20) 0.14 ppb (2) 10.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
July 19, 2021, 1 a.m. 2.8 ppb (3) 0.0 ppb (0) 2.3 ppb (3) 3.0 ppb (3) 2.3 ppb (3) 0.0 ppb (0) 20.0 ppb (19) 0.13 ppb (2) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
July 19, 2021, midnight 2.5 ppb (3) 0.0 ppb (0) 2.3 ppb (3) 2.0 ppb (2) 2.3 ppb (3) 0.0 ppb (0) 23.0 ppb (22) 0.13 ppb (2) 8.0 μg/m3 (8) 5.0 μg/m3 (21) 22.0
 
July 18, 2021, 11 p.m. 1.7 ppb (2) 0.0 ppb (0) 1.4 ppb (2) 1.0 ppb (1) 1.4 ppb (2) 0.0 ppb (0) 25.0 ppb (24) 0.13 ppb (2) 3.0 μg/m3 (3) 3.0 μg/m3 (13) 24.0
 
July 18, 2021, 10 p.m. 1.7 ppb (2) 0.0 ppb (0) 1.5 ppb (2) 1.0 ppb (1) 1.4 ppb (2) 0.0 ppb (0) 24.0 ppb (23) 0.14 ppb (2) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 23.0
 
July 18, 2021, 9 p.m. 1.7 ppb (2) 0.1 ppb (1) 1.7 ppb (2) 1.0 ppb (1) 1.5 ppb (2) 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 7.0 μg/m3 (7) 5.0 μg/m3 (21) 25.0
 
July 18, 2021, 8 p.m. 1.9 ppb (2) 0.1 ppb (1) 1.9 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 31.0
 
July 18, 2021, 7 p.m. 2.2 ppb (3) 0.1 ppb (1) 2.4 ppb (3) 2.0 ppb (2) 2.3 ppb (3) 0.0 ppb (0) 38.0 ppb (36) 0.14 ppb (2) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 36.0
 
July 18, 2021, 6 p.m. 2.4 ppb (3) 0.1 ppb (1) 2.5 ppb (3) 2.0 ppb (2) 2.3 ppb (3) 0.0 ppb (0) 36.0 ppb (34) 0.15 ppb (2) 7.0 μg/m3 (7) 1.0 μg/m3 (5) 34.0
 
July 18, 2021, 5 p.m. 4.6 ppb (5) 0.5 ppb (1) 4.3 ppb (5) 4.0 ppb (4) 3.8 ppb (4) 0.0 ppb (0) 32.0 ppb (30) 0.17 ppb (3) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 30.0
 
July 18, 2021, 4 p.m. 8.8 ppb (9) 1.8 ppb (2) 8.5 ppb (9) 6.0 ppb (6) 6.7 ppb (7) 0.0 ppb (0) 24.0 ppb (23) 0.26 ppb (4) 9.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
July 18, 2021, 3 p.m. 7.1 ppb (7) 1.4 ppb (2) 6.5 ppb (7) 5.0 ppb (5) 5.1 ppb (5) 0.0 ppb (0) 19.0 ppb (18) 0.18 ppb (3) 12.0 μg/m3 (12) 3.0 μg/m3 (13) 18.0
 
July 18, 2021, 2 p.m. 6.6 ppb (7) 1.2 ppb (2) 6.2 ppb (6) 5.0 ppb (5) 4.9 ppb (5) 0.0 ppb (0) 14.0 ppb (13) 0.17 ppb (3) 8.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
July 18, 2021, 1 p.m. 4.1 ppb (4) 0.3 ppb (1) 3.6 ppb (4) 3.0 ppb (3) 3.3 ppb (4) 0.0 ppb (0) 17.0 ppb (16) 0.17 ppb (3) 12.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
July 18, 2021, noon 2.3 ppb (3) 0.1 ppb (1) 2.0 ppb (2) 2.0 ppb (2) 1.8 ppb (2) 0.0 ppb (0) 20.0 ppb (19) 0.14 ppb (2) 10.0 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
July 18, 2021, 11 a.m. 2.4 ppb (3) 0.0 ppb (0) 1.8 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 20.0 ppb (19) 0.14 ppb (2) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
July 18, 2021, 10 a.m. 2.7 ppb (3) 0.0 ppb (0) 2.2 ppb (3) 2.0 ppb (2) 2.2 ppb (3) 0.0 ppb (0) N/A 0.14 ppb (2) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
July 18, 2021, 9 a.m. 2.5 ppb (3) 0.0 ppb (0) 2.1 ppb (2) 2.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) 18.0 ppb (17) 0.15 ppb (2) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
July 18, 2021, 8 a.m. 2.5 ppb (3) 0.0 ppb (0) 2.1 ppb (2) 2.0 ppb (2) 2.1 ppb (2) 0.0 ppb (0) 17.0 ppb (16) 0.17 ppb (3) 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
July 18, 2021, 7 a.m. 3.2 ppb (4) 0.0 ppb (0) 2.7 ppb (3) 3.0 ppb (3) 2.7 ppb (3) 0.0 ppb (0) 13.0 ppb (13) 0.19 ppb (3) 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
July 18, 2021, 6 a.m. 3.7 ppb (4) 0.0 ppb (0) 3.2 ppb (4) 3.0 ppb (3) 3.2 ppb (4) N/A 11.0 ppb (11) 0.19 ppb (3) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
July 18, 2021, 5 a.m. 3.6 ppb (4) 0.0 ppb (0) 3.2 ppb (4) 3.0 ppb (3) 3.1 ppb (3) 0.0 ppb (0) 14.0 ppb (13) 0.19 ppb (3) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
July 18, 2021, 4 a.m. 3.5 ppb (4) 0.0 ppb (0) 3.1 ppb (3) 3.0 ppb (3) 3.1 ppb (3) 0.0 ppb (0) 18.0 ppb (17) 0.18 ppb (3) 15.0 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
July 18, 2021, 3 a.m. 4.0 ppb (4) 0.0 ppb (0) 3.3 ppb (4) 4.0 ppb (4) 3.3 ppb (4) 0.0 ppb (0) 18.0 ppb (17) N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
July 18, 2021, 2 a.m. 3.7 ppb (4) 0.0 ppb (0) 3.0 ppb (3) 3.0 ppb (3) 2.9 ppb (3) 0.0 ppb (0) 19.0 ppb (18) 0.19 ppb (3) 13.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
July 18, 2021, 1 a.m. 2.7 ppb (3) N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) 0.18 ppb (3) 13.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
July 18, 2021, midnight 2.5 ppb (3) 0.0 ppb (0) 2.3 ppb (3) 2.0 ppb (2) 2.3 ppb (3) 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 18.0 μg/m3 (17) 5.0 μg/m3 (21) 25.0
 
July 17, 2021, 11 p.m. 1.8 ppb (2) 0.0 ppb (0) 1.9 ppb (2) 2.0 ppb (2) 1.8 ppb (2) 0.0 ppb (0) 29.0 ppb (27) 0.15 ppb (2) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 27.0
 
July 17, 2021, 10 p.m. 1.4 ppb (2) 0.1 ppb (1) 1.6 ppb (2) 1.0 ppb (1) 1.5 ppb (2) 0.0 ppb (0) 28.0 ppb (26) 0.15 ppb (2) 16.0 μg/m3 (15) 3.0 μg/m3 (13) 26.0
 
July 17, 2021, 9 p.m. 1.3 ppb (2) 0.1 ppb (1) 1.4 ppb (2) 1.0 ppb (1) 1.3 ppb (2) 0.0 ppb (0) 27.0 ppb (25) 0.13 ppb (2) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 25.0
 
July 17, 2021, 8 p.m. 1.2 ppb (2) 0.1 ppb (1) 1.4 ppb (2) 1.0 ppb (1) 1.3 ppb (2) 0.0 ppb (0) 28.0 ppb (26) 0.13 ppb (2) 17.0 μg/m3 (16) 4.0 μg/m3 (17) 26.0
 
July 17, 2021, 7 p.m. 1.3 ppb (2) 0.1 ppb (1) 1.5 ppb (2) 1.0 ppb (1) 1.4 ppb (2) 0.0 ppb (0) 28.0 ppb (26) 0.13 ppb (2) 18.0 μg/m3 (17) 4.0 μg/m3 (17) 26.0
 
July 17, 2021, 6 p.m. 1.8 ppb (2) 0.2 ppb (1) 1.7 ppb (2) 1.0 ppb (1) 1.5 ppb (2) 0.0 ppb (0) 26.0 ppb (25) 0.15 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
July 17, 2021, 5 p.m. 1.6 ppb (2) 0.1 ppb (1) 1.7 ppb (2) 1.0 ppb (1) 1.5 ppb (2) 0.0 ppb (0) 29.0 ppb (27) 0.14 ppb (2) 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
July 17, 2021, 4 p.m. 1.7 ppb (2) 0.1 ppb (1) 2.0 ppb (2) 1.0 ppb (1) 1.9 ppb (2) 0.0 ppb (0) 32.0 ppb (30) 0.14 ppb (2) 19.0 μg/m3 (18) 6.0 μg/m3 (25) 30.0
 
July 17, 2021, 3 p.m. 1.9 ppb (2) 0.1 ppb (1) 2.3 ppb (3) 2.0 ppb (2) 2.2 ppb (3) 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 18.0 μg/m3 (17) 5.0 μg/m3 (21) 31.0
 
July 17, 2021, 2 p.m. 2.7 ppb (3) 0.2 ppb (1) 3.1 ppb (3) 2.0 ppb (2) 2.9 ppb (3) 0.0 ppb (0) 33.0 ppb (31) 0.17 ppb (3) 18.0 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
July 17, 2021, 1 p.m. 3.8 ppb (4) 0.6 ppb (1) 4.0 ppb (4) 3.0 ppb (3) 3.4 ppb (4) 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) 18.0 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
July 17, 2021, noon 3.5 ppb (4) 0.6 ppb (1) 3.4 ppb (4) 3.0 ppb (3) 2.7 ppb (3) 0.0 ppb (0) 16.0 ppb (15) 0.16 ppb (3) 17.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
July 17, 2021, 11 a.m. 3.1 ppb (3) 0.3 ppb (1) 2.7 ppb (3) 2.0 ppb (2) 2.3 ppb (3) 0.0 ppb (0) 12.0 ppb (12) 0.16 ppb (3) 13.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
July 17, 2021, 10 a.m. 2.9 ppb (3) 0.0 ppb (0) 2.4 ppb (3) 2.0 ppb (2) 2.3 ppb (3) 0.0 ppb (0) N/A 0.15 ppb (2) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
July 17, 2021, 9 a.m. 2.8 ppb (3) 0.0 ppb (0) 2.3 ppb (3) 3.0 ppb (3) 2.3 ppb (3) 0.0 ppb (0) 14.0 ppb (13) 0.15 ppb (2) 14.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
July 17, 2021, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) 2.5 ppb (3) 3.0 ppb (3) 2.5 ppb (3) 0.0 ppb (0) 14.0 ppb (13) 0.16 ppb (3) 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
July 17, 2021, 7 a.m. 2.8 ppb (3) 0.0 ppb (0) 2.4 ppb (3) 3.0 ppb (3) 2.4 ppb (3) 0.0 ppb (0) 16.0 ppb (15) 0.16 ppb (3) 10.0 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
July 17, 2021, 6 a.m. 2.7 ppb (3) 0.0 ppb (0) 2.4 ppb (3) 2.0 ppb (2) 2.3 ppb (3) 0.0 ppb (0) 19.0 ppb (18) 0.17 ppb (3) 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
July 17, 2021, 5 a.m. 2.5 ppb (3) 0.0 ppb (0) 2.1 ppb (2) 2.0 ppb (2) 2.1 ppb (2) 0.0 ppb (0) 24.0 ppb (23) 0.15 ppb (2) 12.0 μg/m3 (12) 7.0 μg/m3 (30) 30.0
 
July 17, 2021, 4 a.m. 3.3 ppb (4) 0.0 ppb (0) 2.7 ppb (3) 3.0 ppb (3) 2.7 ppb (3) 0.0 ppb (0) 26.0 ppb (25) 0.16 ppb (3) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 25.0