ID: 1511

AQSQID: 380150003

Site Name: Bismarck Residential

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

Updated: July 30, 2021, 5:54 a.m.

Location: Bismarck (Bismarck Cathedral Area Historic Dist), ND

Reporting: True, Located: True

Current AQI: 85.0

Bismarck (Bismarck Cathedral Area Historic Dist) ND, US: 46.8253, -100.7681

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 30, 2021, 3 a.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 39.0 μg/m3 (37) 27.9 μg/m3 (85) 85.0
 
July 30, 2021, 2 a.m. 2.4 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 51.0 μg/m3 (48) 32.8 μg/m3 (95) 95.0
 
July 30, 2021, 1 a.m. 3.1 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.27 ppb (4) 57.0 μg/m3 (52) 37.7 μg/m3 (107) 107.0
 
July 30, 2021, midnight 2.2 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.26 ppb (4) 59.0 μg/m3 (53) 36.5 μg/m3 (104) 104.0
 
July 29, 2021, 11 p.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.26 ppb (4) 55.0 μg/m3 (51) 34.0 μg/m3 (98) 98.0
 
July 29, 2021, 10 p.m. 2.0 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.24 ppb (3) 52.0 μg/m3 (49) 30.7 μg/m3 (91) 91.0
 
July 29, 2021, 9 p.m. 2.0 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.23 ppb (3) 46.0 μg/m3 (43) 25.7 μg/m3 (80) 80.0
 
July 29, 2021, 8 p.m. 1.9 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) 0.23 ppb (3) 45.0 μg/m3 (42) 27.6 μg/m3 (84) 84.0
 
July 29, 2021, 7 p.m. 1.2 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) 0.21 ppb (3) 47.0 μg/m3 (44) 27.2 μg/m3 (83) 83.0
 
July 29, 2021, 6 p.m. 1.1 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) 0.21 ppb (3) 50.0 μg/m3 (47) 29.5 μg/m3 (88) 88.0
 
July 29, 2021, 5 p.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) 0.22 ppb (3) 50.0 μg/m3 (47) 31.2 μg/m3 (92) 92.0
 
July 29, 2021, 4 p.m. 1.9 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) 0.18 ppb (3) 40.0 μg/m3 (38) 16.5 μg/m3 (61) 61.0
 
July 29, 2021, 3 p.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) 0.17 ppb (3) 49.0 μg/m3 (46) 12.4 μg/m3 (52) 52.0
 
July 29, 2021, 2 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) 35.0 μg/m3 (33) 9.8 μg/m3 (41) 41.0
 
July 29, 2021, 1 p.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.16 ppb (3) 34.0 μg/m3 (32) 9.3 μg/m3 (39) 39.0
 
July 29, 2021, noon 8.2 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) 37.0 μg/m3 (35) 10.3 μg/m3 (43) 43.0
 
July 29, 2021, 11 a.m. 3.1 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) 0.15 ppb (2) 22.0 μg/m3 (21) 8.2 μg/m3 (35) 35.0
 
July 29, 2021, 10 a.m. 1.6 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) 0.14 ppb (2) 23.0 μg/m3 (22) 7.9 μg/m3 (33) 33.0
 
July 29, 2021, 9 a.m. 1.6 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) 0.15 ppb (2) 25.0 μg/m3 (24) 8.1 μg/m3 (34) 34.0
 
July 29, 2021, 8 a.m. 1.7 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) 0.15 ppb (2) 25.0 μg/m3 (24) 9.1 μg/m3 (38) 38.0
 
July 29, 2021, 7 a.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) 0.16 ppb (3) 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
July 29, 2021, 6 a.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) 0.17 ppb (3) 30.0 μg/m3 (28) 11.7 μg/m3 (49) 49.0
 
July 29, 2021, 5 a.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) 0.18 ppb (3) 38.0 μg/m3 (36) 14.8 μg/m3 (57) 57.0
 
July 29, 2021, 4 a.m. 2.1 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) 0.19 ppb (3) 46.0 μg/m3 (43) 18.6 μg/m3 (65) 65.0
 
July 29, 2021, 3 a.m. 3.1 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 70.0 μg/m3 (59) 28.8 μg/m3 (87) 87.0
 
July 29, 2021, 2 a.m. 2.8 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) N/A 87.0 μg/m3 (67) 40.4 μg/m3 (114) 114.0
 
July 29, 2021, 1 a.m. 2.9 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) 0.29 ppb (4) 80.0 μg/m3 (64) 40.8 μg/m3 (115) 115.0
 
July 29, 2021, midnight 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.25 ppb (3) 74.0 μg/m3 (61) 29.7 μg/m3 (89) 89.0
 
July 28, 2021, 11 p.m. 2.2 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.23 ppb (3) 69.0 μg/m3 (58) 27.2 μg/m3 (83) 83.0
 
July 28, 2021, 10 p.m. 2.6 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (45) 0.22 ppb (3) 60.0 μg/m3 (54) 26.0 μg/m3 (81) 81.0
 
July 28, 2021, 9 p.m. 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.24 ppb (3) 57.0 μg/m3 (52) 24.7 μg/m3 (78) 78.0
 
July 28, 2021, 8 p.m. 2.5 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.23 ppb (3) 57.0 μg/m3 (52) 23.3 μg/m3 (75) 75.0
 
July 28, 2021, 7 p.m. 2.5 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 42.0 ppb (39) 0.22 ppb (3) 54.0 μg/m3 (50) 22.7 μg/m3 (74) 74.0
 
July 28, 2021, 6 p.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 39.0 ppb (37) 0.22 ppb (3) 60.0 μg/m3 (54) 24.0 μg/m3 (77) 77.0
 
July 28, 2021, 5 p.m. 3.5 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 36.0 ppb (34) 0.22 ppb (3) 64.0 μg/m3 (56) 26.9 μg/m3 (83) 83.0
 
July 28, 2021, 4 p.m. 4.2 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 37.0 ppb (35) 0.23 ppb (3) 85.0 μg/m3 (66) 29.9 μg/m3 (89) 89.0
 
July 28, 2021, 3 p.m. 5.1 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 33.0 ppb (31) 0.23 ppb (3) 67.0 μg/m3 (57) 27.4 μg/m3 (84) 84.0
 
July 28, 2021, 2 p.m. 6.3 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (26) 0.23 ppb (3) 59.0 μg/m3 (53) 22.6 μg/m3 (74) 74.0
 
July 28, 2021, 1 p.m. 6.4 ppb (7) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (19) 0.22 ppb (3) 45.0 μg/m3 (42) 19.1 μg/m3 (66) 66.0
 
July 28, 2021, noon 6.5 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (17) 0.23 ppb (3) 33.0 μg/m3 (31) 18.1 μg/m3 (64) 64.0
 
July 28, 2021, 11 a.m. 9.1 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 20.0 ppb (19) 0.23 ppb (3) 37.0 μg/m3 (35) 18.6 μg/m3 (65) 65.0
 
July 28, 2021, 10 a.m. 7.0 ppb (7) 0.3 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (22) 0.2 ppb (3) 37.0 μg/m3 (35) 18.0 μg/m3 (64) 64.0
 
July 28, 2021, 9 a.m. 5.7 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (24) 0.19 ppb (3) 37.0 μg/m3 (35) 17.9 μg/m3 (64) 64.0
 
July 28, 2021, 8 a.m. 6.3 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (25) 0.19 ppb (3) 37.0 μg/m3 (35) 18.1 μg/m3 (64) 64.0
 
July 28, 2021, 7 a.m. 3.5 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.18 ppb (3) 40.0 μg/m3 (38) 18.0 μg/m3 (64) 64.0
 
July 28, 2021, 6 a.m. 4.3 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.19 ppb (3) 38.0 μg/m3 (36) 18.2 μg/m3 (64) 64.0
 
July 28, 2021, 5 a.m. 4.5 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (29) 0.19 ppb (3) 44.0 μg/m3 (41) 18.5 μg/m3 (65) 65.0
 
July 28, 2021, 4 a.m. 3.9 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) 47.0 μg/m3 (44) 18.9 μg/m3 (66) 66.0
 
July 28, 2021, 3 a.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 45.0 μg/m3 (42) 18.7 μg/m3 (65) 65.0
 
July 28, 2021, 2 a.m. 3.0 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 44.0 μg/m3 (41) 18.5 μg/m3 (65) 65.0
 
July 28, 2021, 1 a.m. 2.4 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.2 ppb (3) 52.0 μg/m3 (49) 19.8 μg/m3 (68) 68.0
 
July 28, 2021, midnight 3.3 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (42) 0.19 ppb (3) 62.0 μg/m3 (55) 20.6 μg/m3 (69) 69.0
 
July 27, 2021, 11 p.m. 2.2 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.2 ppb (3) 60.0 μg/m3 (54) 20.8 μg/m3 (70) 70.0
 
July 27, 2021, 10 p.m. 2.9 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) 0.22 ppb (3) 66.0 μg/m3 (57) 22.9 μg/m3 (74) 74.0
 
July 27, 2021, 9 p.m. 3.3 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.22 ppb (3) 57.0 μg/m3 (52) 21.9 μg/m3 (72) 72.0
 
July 27, 2021, 8 p.m. 3.4 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.22 ppb (3) 61.0 μg/m3 (54) 21.1 μg/m3 (70) 70.0
 
July 27, 2021, 7 p.m. 2.7 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) 0.21 ppb (3) 56.0 μg/m3 (52) 20.6 μg/m3 (69) 69.0
 
July 27, 2021, 6 p.m. 2.4 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.21 ppb (3) 58.0 μg/m3 (53) 20.3 μg/m3 (69) 69.0
 
July 27, 2021, 5 p.m. 2.1 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.21 ppb (3) 54.0 μg/m3 (50) 20.1 μg/m3 (68) 68.0
 
July 27, 2021, 4 p.m. 2.3 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.21 ppb (3) 55.0 μg/m3 (51) 19.9 μg/m3 (68) 68.0
 
July 27, 2021, 3 p.m. 18.8 ppb (18) 10.3 ppb (10) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (25) 0.22 ppb (3) 53.0 μg/m3 (50) 20.0 μg/m3 (68) 68.0
 
July 27, 2021, 2 p.m. 11.2 ppb (11) 4.9 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (25) 0.22 ppb (3) 45.0 μg/m3 (42) 19.8 μg/m3 (68) 68.0
 
July 27, 2021, 1 p.m. 5.7 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (22) 0.22 ppb (3) 44.0 μg/m3 (41) 20.0 μg/m3 (68) 68.0
 
July 27, 2021, noon 7.5 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (20) 0.22 ppb (3) 40.0 μg/m3 (38) 20.1 μg/m3 (68) 68.0
 
July 27, 2021, 11 a.m. 6.2 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (22) 0.21 ppb (3) 34.0 μg/m3 (32) 19.8 μg/m3 (68) 68.0
 
July 27, 2021, 10 a.m. 3.4 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) 36.0 μg/m3 (34) 19.9 μg/m3 (68) 68.0
 
July 27, 2021, 9 a.m. 1.6 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) 36.0 μg/m3 (34) 19.8 μg/m3 (68) 68.0
 
July 27, 2021, 8 a.m. 1.7 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) 43.0 μg/m3 (40) 19.8 μg/m3 (68) 68.0
 
July 27, 2021, 7 a.m. 1.6 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) 0.2 ppb (3) 41.0 μg/m3 (38) 19.4 μg/m3 (67) 67.0
 
July 27, 2021, 6 a.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.2 ppb (3) 40.0 μg/m3 (38) 18.5 μg/m3 (65) 65.0
 
July 27, 2021, 5 a.m. 1.9 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.2 ppb (3) 42.0 μg/m3 (39) 18.3 μg/m3 (65) 65.0
 
July 27, 2021, 4 a.m. 2.7 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.21 ppb (3) 49.0 μg/m3 (46) 19.8 μg/m3 (68) 68.0
 
July 27, 2021, 3 a.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (43) N/A 49.0 μg/m3 (46) 23.0 μg/m3 (74) 74.0
 
July 27, 2021, 2 a.m. 3.4 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (48) N/A 54.0 μg/m3 (50) 24.7 μg/m3 (78) 78.0
 
July 27, 2021, 1 a.m. 4.4 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 57.0 ppb (58) 0.21 ppb (3) 52.0 μg/m3 (49) 25.6 μg/m3 (80) 80.0
 
July 27, 2021, midnight 4.5 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 66.0 ppb (87) 0.21 ppb (3) 55.0 μg/m3 (51) 28.3 μg/m3 (86) 87.0
 
July 26, 2021, 11 p.m. 4.1 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 68.0 ppb (94) 0.21 ppb (3) 55.0 μg/m3 (51) 26.4 μg/m3 (82) 94.0
 
July 26, 2021, 10 p.m. 3.5 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 62.0 ppb (74) 0.2 ppb (3) 51.0 μg/m3 (48) 23.6 μg/m3 (76) 76.0
 
July 26, 2021, 9 p.m. 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 58.0 ppb (61) 0.19 ppb (3) 50.0 μg/m3 (47) 21.7 μg/m3 (72) 72.0
 
July 26, 2021, 8 p.m. 2.5 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 55.0 ppb (51) 0.19 ppb (3) 50.0 μg/m3 (47) 20.3 μg/m3 (69) 69.0
 
July 26, 2021, 7 p.m. 2.5 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (49) 0.19 ppb (3) 45.0 μg/m3 (42) 19.6 μg/m3 (67) 67.0
 
July 26, 2021, 6 p.m. 2.9 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (45) 0.19 ppb (3) 46.0 μg/m3 (43) 18.9 μg/m3 (66) 66.0
 
July 26, 2021, 5 p.m. 4.0 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.2 ppb (3) 38.0 μg/m3 (36) 19.5 μg/m3 (67) 67.0
 
July 26, 2021, 4 p.m. 7.2 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) 0.32 ppb (4) 112.0 μg/m3 (80) 23.6 μg/m3 (76) 80.0
 
July 26, 2021, 3 p.m. 7.5 ppb (8) 1.8 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (25) 0.23 ppb (3) 58.0 μg/m3 (53) 21.5 μg/m3 (71) 71.0
 
July 26, 2021, 2 p.m. 6.8 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) 40.0 μg/m3 (38) 20.7 μg/m3 (70) 70.0
 
July 26, 2021, 1 p.m. 9.1 ppb (9) 1.4 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (17) 0.21 ppb (3) 43.0 μg/m3 (40) 21.5 μg/m3 (71) 71.0
 
July 26, 2021, noon 6.9 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (18) 0.2 ppb (3) 38.0 μg/m3 (36) 22.6 μg/m3 (74) 74.0
 
July 26, 2021, 11 a.m. 5.7 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (18) 0.2 ppb (3) 42.0 μg/m3 (39) 26.4 μg/m3 (82) 82.0
 
July 26, 2021, 10 a.m. 4.3 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.21 ppb (3) 44.0 μg/m3 (41) 27.5 μg/m3 (84) 84.0
 
July 26, 2021, 9 a.m. 4.5 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (29) 0.22 ppb (3) 45.0 μg/m3 (42) 29.0 μg/m3 (87) 87.0
 
July 26, 2021, 8 a.m. 5.0 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) 0.23 ppb (3) 42.0 μg/m3 (39) 28.8 μg/m3 (87) 87.0
 
July 26, 2021, 7 a.m. 3.1 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.23 ppb (3) 44.0 μg/m3 (41) 28.8 μg/m3 (87) 87.0
 
July 26, 2021, 6 a.m. 2.7 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.23 ppb (3) 43.0 μg/m3 (40) 28.3 μg/m3 (86) 86.0
 
July 26, 2021, 5 a.m. 2.2 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) 0.23 ppb (3) 48.0 μg/m3 (45) 28.8 μg/m3 (87) 87.0
 
July 26, 2021, 4 a.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (46) 0.25 ppb (3) 62.0 μg/m3 (55) 32.3 μg/m3 (94) 94.0
 
July 26, 2021, 3 a.m. 3.9 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 53.0 ppb (50) N/A 90.0 μg/m3 (69) 46.1 μg/m3 (128) 128.0
 
July 26, 2021, 2 a.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 63.0 ppb (78) N/A 97.0 μg/m3 (72) 50.4 μg/m3 (138) 138.0
 
July 26, 2021, 1 a.m. 3.1 ppb (3) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 66.0 ppb (87) 0.26 ppb (4) 74.0 μg/m3 (61) 43.1 μg/m3 (120) 120.0
 
July 26, 2021, midnight 1.9 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 69.0 ppb (97) 0.23 ppb (3) 60.0 μg/m3 (54) 38.6 μg/m3 (109) 109.0
 
July 25, 2021, 11 p.m. 1.6 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 72.0 ppb (102) 0.25 ppb (3) 62.0 μg/m3 (55) 41.4 μg/m3 (116) 116.0
 
July 25, 2021, 10 p.m. 1.5 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 71.0 ppb (101) 0.24 ppb (3) 65.0 μg/m3 (56) 42.3 μg/m3 (118) 118.0
 
July 25, 2021, 9 p.m. 1.5 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 71.0 ppb (101) 0.25 ppb (3) 75.0 μg/m3 (61) 45.3 μg/m3 (126) 126.0
 
July 25, 2021, 8 p.m. 1.5 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 70.0 ppb (100) 0.25 ppb (3) 72.0 μg/m3 (60) 43.9 μg/m3 (122) 122.0
 
July 25, 2021, 7 p.m. 1.5 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 67.0 ppb (91) 0.24 ppb (3) 68.0 μg/m3 (58) 42.3 μg/m3 (118) 118.0
 
July 25, 2021, 6 p.m. 1.8 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 63.0 ppb (78) 0.24 ppb (3) 68.0 μg/m3 (58) 41.2 μg/m3 (116) 116.0
 
July 25, 2021, 5 p.m. 2.2 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 59.0 ppb (65) 0.24 ppb (3) 65.0 μg/m3 (56) 41.0 μg/m3 (115) 115.0
 
July 25, 2021, 4 p.m. 2.5 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (48) 0.23 ppb (3) 61.0 μg/m3 (54) 39.5 μg/m3 (111) 111.0
 
July 25, 2021, 3 p.m. 4.1 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.23 ppb (3) 58.0 μg/m3 (53) 39.2 μg/m3 (111) 111.0
 
July 25, 2021, 2 p.m. 4.9 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (27) 0.22 ppb (3) 58.0 μg/m3 (53) 38.2 μg/m3 (108) 108.0
 
July 25, 2021, 1 p.m. 6.7 ppb (7) 1.4 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (22) 0.21 ppb (3) 50.0 μg/m3 (47) 36.4 μg/m3 (104) 104.0
 
July 25, 2021, noon 5.6 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (21) 0.19 ppb (3) 50.0 μg/m3 (47) 36.1 μg/m3 (103) 103.0
 
July 25, 2021, 11 a.m. 4.0 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) 0.19 ppb (3) 48.0 μg/m3 (45) 35.0 μg/m3 (100) 100.0
 
July 25, 2021, 10 a.m. 3.9 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) 51.0 μg/m3 (48) 36.2 μg/m3 (103) 103.0
 
July 25, 2021, 9 a.m. 4.0 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (27) 0.21 ppb (3) 60.0 μg/m3 (54) 36.9 μg/m3 (105) 105.0
 
July 25, 2021, 8 a.m. 4.2 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) 0.22 ppb (3) 66.0 μg/m3 (57) 40.9 μg/m3 (115) 115.0
 
July 25, 2021, 7 a.m. 5.3 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (31) 0.25 ppb (3) 74.0 μg/m3 (61) 44.9 μg/m3 (125) 125.0
 
July 25, 2021, 6 a.m. 5.3 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (37) 0.25 ppb (3) 79.0 μg/m3 (63) 47.7 μg/m3 (132) 132.0
 
July 25, 2021, 5 a.m. 6.7 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (36) 0.26 ppb (4) 82.0 μg/m3 (65) 48.1 μg/m3 (133) 133.0
 
July 25, 2021, 4 a.m. 6.5 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (40) 0.26 ppb (4) 73.0 μg/m3 (60) 44.0 μg/m3 (122) 122.0
 
July 25, 2021, 3 a.m. 3.6 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 50.0 ppb (47) N/A 77.0 μg/m3 (62) 48.2 μg/m3 (133) 133.0
 
July 25, 2021, 2 a.m. 4.4 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 52.0 ppb (49) N/A 80.0 μg/m3 (64) 52.7 μg/m3 (144) 144.0
 
July 25, 2021, 1 a.m. 5.1 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 55.0 ppb (51) 0.29 ppb (4) 88.0 μg/m3 (68) 57.6 μg/m3 (153) 153.0
 
July 25, 2021, midnight 3.3 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 58.0 ppb (61) 0.28 ppb (4) 87.0 μg/m3 (67) 60.7 μg/m3 (154) 154.0
 
July 24, 2021, 11 p.m. 4.0 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 60.0 ppb (68) 0.27 ppb (4) 79.0 μg/m3 (63) 54.1 μg/m3 (147) 147.0
 
July 24, 2021, 10 p.m. 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 60.0 ppb (68) 0.24 ppb (3) 69.0 μg/m3 (58) 46.0 μg/m3 (127) 127.0
 
July 24, 2021, 9 p.m. 2.5 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 61.0 ppb (71) 0.25 ppb (3) 78.0 μg/m3 (63) 50.7 μg/m3 (139) 139.0
 
July 24, 2021, 8 p.m. 2.6 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 56.0 ppb (55) 0.26 ppb (4) 75.0 μg/m3 (61) 50.1 μg/m3 (137) 137.0
 
July 24, 2021, 7 p.m. 2.3 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) 0.25 ppb (3) 68.0 μg/m3 (58) 45.3 μg/m3 (126) 126.0
 
July 24, 2021, 6 p.m. 2.5 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 56.0 ppb (55) 0.25 ppb (3) 70.0 μg/m3 (59) 41.6 μg/m3 (117) 117.0
 
July 24, 2021, 5 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 53.0 ppb (50) 0.23 ppb (3) 62.0 μg/m3 (55) 31.1 μg/m3 (91) 91.0
 
July 24, 2021, 4 p.m. 5.2 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 42.0 ppb (39) 0.2 ppb (3) 52.0 μg/m3 (49) 21.8 μg/m3 (72) 72.0
 
July 24, 2021, 3 p.m. 6.2 ppb (6) 1.3 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 34.0 ppb (32) 0.18 ppb (3) 47.0 μg/m3 (44) 18.1 μg/m3 (64) 64.0
 
July 24, 2021, 2 p.m. 5.4 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 33.0 ppb (31) 0.18 ppb (3) 43.0 μg/m3 (40) 16.1 μg/m3 (60) 60.0
 
July 24, 2021, 1 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 42.0 μg/m3 (39) 15.4 μg/m3 (58) 58.0
 
July 24, 2021, noon 8.3 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (21) 0.19 ppb (3) 39.0 μg/m3 (37) 15.8 μg/m3 (59) 59.0
 
July 24, 2021, 11 a.m. 8.4 ppb (8) 0.5 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (20) 0.19 ppb (3) 37.0 μg/m3 (35) 15.5 μg/m3 (59) 59.0
 
July 24, 2021, 10 a.m. 4.5 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 34.0 ppb (32) 0.17 ppb (3) 40.0 μg/m3 (38) 14.7 μg/m3 (57) 57.0
 
July 24, 2021, 9 a.m. 3.8 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 36.0 ppb (34) 0.16 ppb (3) 43.0 μg/m3 (40) 14.9 μg/m3 (57) 57.0
 
July 24, 2021, 8 a.m. 6.3 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 34.0 ppb (32) 0.18 ppb (3) 44.0 μg/m3 (41) 16.7 μg/m3 (61) 61.0
 
July 24, 2021, 7 a.m. 7.9 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 34.0 ppb (32) 0.2 ppb (3) 45.0 μg/m3 (42) 18.5 μg/m3 (65) 65.0
 
July 24, 2021, 6 a.m. 5.1 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 42.0 ppb (39) 0.21 ppb (3) 41.0 μg/m3 (38) 16.5 μg/m3 (61) 61.0
 
July 24, 2021, 5 a.m. 3.2 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 45.0 ppb (42) 0.18 ppb (3) 44.0 μg/m3 (41) 16.6 μg/m3 (61) 61.0
 
July 24, 2021, 4 a.m. 3.6 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 44.0 ppb (41) 0.19 ppb (3) 45.0 μg/m3 (42) 17.9 μg/m3 (64) 64.0
 
July 24, 2021, 3 a.m. 4.8 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 52.0 ppb (49) N/A 50.0 μg/m3 (47) 22.0 μg/m3 (72) 72.0
 
July 24, 2021, 2 a.m. 6.5 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 56.0 ppb (55) N/A 47.0 μg/m3 (44) 23.0 μg/m3 (74) 74.0
 
July 24, 2021, 1 a.m. 6.3 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 57.0 ppb (58) 0.19 ppb (3) 39.0 μg/m3 (37) 23.3 μg/m3 (75) 75.0
 
July 24, 2021, midnight 5.6 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 60.0 ppb (68) 0.19 ppb (3) 34.0 μg/m3 (32) 18.9 μg/m3 (66) 68.0
 
July 23, 2021, 11 p.m. 3.1 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 67.0 ppb (91) 0.18 ppb (3) 29.0 μg/m3 (27) 17.0 μg/m3 (62) 91.0
 
July 23, 2021, 10 p.m. 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 69.0 ppb (97) 0.2 ppb (3) 29.0 μg/m3 (27) 18.3 μg/m3 (65) 97.0
 
July 23, 2021, 9 p.m. 2.2 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 66.0 ppb (87) 0.19 ppb (3) 29.0 μg/m3 (27) 18.0 μg/m3 (64) 87.0
 
July 23, 2021, 8 p.m. 2.5 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 67.0 ppb (91) 0.19 ppb (3) 26.0 μg/m3 (25) 17.8 μg/m3 (63) 91.0
 
July 23, 2021, 7 p.m. 3.0 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 64.0 ppb (81) 0.19 ppb (3) 29.0 μg/m3 (27) 19.1 μg/m3 (66) 81.0
 
July 23, 2021, 6 p.m. 5.3 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 58.0 ppb (61) 0.21 ppb (3) 34.0 μg/m3 (32) 21.4 μg/m3 (71) 71.0
 
July 23, 2021, 5 p.m. 3.1 ppb (3) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 54.0 ppb (50) 0.21 ppb (3) 38.0 μg/m3 (36) 20.7 μg/m3 (70) 70.0
 
July 23, 2021, 4 p.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (45) 0.22 ppb (3) 36.0 μg/m3 (34) 20.3 μg/m3 (69) 69.0
 
July 23, 2021, 3 p.m. 9.3 ppb (9) 1.6 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 39.0 ppb (37) 0.28 ppb (4) 37.0 μg/m3 (35) 20.9 μg/m3 (70) 70.0
 
July 23, 2021, 2 p.m. 13.1 ppb (13) 2.4 ppb (3) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 31.0 ppb (29) 0.31 ppb (4) 40.0 μg/m3 (38) 22.1 μg/m3 (73) 73.0
 
July 23, 2021, 1 p.m. 21.1 ppb (20) 4.5 ppb (5) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 21.0 ppb (20) 0.33 ppb (4) 36.0 μg/m3 (34) 22.9 μg/m3 (74) 74.0
 
July 23, 2021, noon 13.5 ppb (13) 1.6 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 24.0 ppb (23) 0.31 ppb (4) 34.0 μg/m3 (32) 23.0 μg/m3 (74) 74.0
 
July 23, 2021, 11 a.m. 7.5 ppb (8) 0.4 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (25) 0.22 ppb (3) 36.0 μg/m3 (34) 23.9 μg/m3 (76) 76.0
 
July 23, 2021, 10 a.m. 7.6 ppb (8) 0.3 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (25) 0.23 ppb (3) 37.0 μg/m3 (35) 25.3 μg/m3 (79) 79.0
 
July 23, 2021, 9 a.m. 7.3 ppb (7) 0.3 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) 30.0 μg/m3 (28) 21.0 μg/m3 (70) 70.0
 
July 23, 2021, 8 a.m. 6.0 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) 28.0 μg/m3 (26) 20.4 μg/m3 (69) 69.0
 
July 23, 2021, 7 a.m. 6.7 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (31) 0.2 ppb (3) 28.0 μg/m3 (26) 19.9 μg/m3 (68) 68.0
 
July 23, 2021, 6 a.m. 6.2 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (33) 0.21 ppb (3) 29.0 μg/m3 (27) 19.9 μg/m3 (68) 68.0
 
July 23, 2021, 5 a.m. 4.7 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (37) 0.24 ppb (3) 28.0 μg/m3 (26) 18.8 μg/m3 (66) 66.0
 
July 23, 2021, 4 a.m. 7.6 ppb (8) 0.4 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 40.0 ppb (38) 0.24 ppb (3) 25.0 μg/m3 (24) 16.6 μg/m3 (61) 61.0