ID: 2021

AQSQID: 320030540

Site Name: Jerome Mack

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

Updated: April 11, 2021, 3:43 a.m.

Location: Las Vegas (Sunrise Manor), NV

Reporting: True, Located: True

Current AQI: 43.0

Las Vegas (Sunrise Manor) NV, US: 36.141875, -115.078742

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 11, 2021, 2 a.m. N/A -0.3 ppb (0) 8.9 ppb (9) 13.0 ppb (13) N/A 1.0 ppb (2) 43.0 ppb (40) 0.23 ppb (3) 46.1 μg/m3 (43) 9.0 μg/m3 (38) 43.0
 
April 11, 2021, 1 a.m. N/A -0.3 ppb (0) 3.9 ppb (4) 7.0 ppb (7) N/A 1.0 ppb (2) 53.0 ppb (50) 0.14 ppb (2) 24.3 μg/m3 (23) 6.1 μg/m3 (26) 50.0
 
April 11, 2021, midnight N/A -0.3 ppb (0) 2.5 ppb (3) 5.0 ppb (5) N/A 1.0 ppb (2) 55.0 ppb (51) 0.13 ppb (2) 22.8 μg/m3 (22) 6.2 μg/m3 (26) 51.0
 
April 10, 2021, 11 p.m. N/A -0.2 ppb (0) 3.4 ppb (4) 5.0 ppb (5) N/A 1.0 ppb (2) 58.0 ppb (61) 0.13 ppb (2) 23.4 μg/m3 (22) 6.4 μg/m3 (27) 61.0
 
April 10, 2021, 10 p.m. N/A -0.3 ppb (0) 3.0 ppb (3) 5.0 ppb (5) N/A 1.0 ppb (2) 61.0 ppb (71) 0.13 ppb (2) 24.9 μg/m3 (24) 6.9 μg/m3 (29) 71.0
 
April 10, 2021, 9 p.m. N/A -0.3 ppb (0) 2.6 ppb (3) 5.0 ppb (5) N/A 1.0 ppb (2) 59.0 ppb (65) 0.13 ppb (2) 24.2 μg/m3 (23) 6.5 μg/m3 (28) 65.0
 
April 10, 2021, 8 p.m. N/A -0.1 ppb (0) 3.2 ppb (4) 5.0 ppb (5) N/A 1.0 ppb (2) 55.0 ppb (51) 0.14 ppb (2) 29.1 μg/m3 (27) 6.8 μg/m3 (29) 51.0
 
April 10, 2021, 7 p.m. N/A -0.1 ppb (0) 2.8 ppb (3) 5.0 ppb (5) N/A 1.0 ppb (2) 51.0 ppb (48) 0.13 ppb (2) 34.0 μg/m3 (32) 7.1 μg/m3 (30) 48.0
 
April 10, 2021, 6 p.m. N/A 0.3 ppb (1) 4.2 ppb (4) 6.0 ppb (6) N/A 1.0 ppb (2) 47.0 ppb (44) 0.14 ppb (2) 33.5 μg/m3 (32) 7.6 μg/m3 (32) 44.0
 
April 10, 2021, 5 p.m. N/A 1.5 ppb (2) 8.2 ppb (8) 10.0 ppb (10) N/A 1.0 ppb (2) 40.0 ppb (38) 0.19 ppb (3) 43.8 μg/m3 (41) 8.6 μg/m3 (36) 41.0
 
April 10, 2021, 4 p.m. N/A 11.3 ppb (11) 32.7 ppb (31) 25.0 ppb (24) N/A 1.0 ppb (2) 25.0 ppb (24) 0.41 ppb (5) 69.7 μg/m3 (59) 14.9 μg/m3 (57) 59.0
 
April 10, 2021, 3 p.m. N/A 17.5 ppb (17) 40.2 ppb (38) 27.0 ppb (26) N/A 1.0 ppb (2) 15.0 ppb (14) 0.46 ppb (6) 70.9 μg/m3 (59) 15.4 μg/m3 (58) 59.0
 
April 10, 2021, 2 p.m. N/A 15.8 ppb (15) 38.3 ppb (37) 26.0 ppb (25) N/A 1.0 ppb (2) 9.0 ppb (9) 0.46 ppb (6) 62.8 μg/m3 (55) 15.9 μg/m3 (59) 59.0
 
April 10, 2021, 1 p.m. N/A 21.5 ppb (21) 50.1 ppb (48) 31.0 ppb (30) N/A 1.0 ppb (2) 2.0 ppb (2) 0.76 ppb (10) 69.3 μg/m3 (59) 19.8 μg/m3 (68) 68.0
 
April 10, 2021, noon N/A 15.2 ppb (15) 47.7 ppb (45) 34.0 ppb (33) N/A 1.0 ppb (2) 1.0 ppb (1) 0.72 ppb (8) 53.2 μg/m3 (50) 17.9 μg/m3 (64) 64.0
 
April 10, 2021, 11 a.m. N/A 13.9 ppb (14) 45.4 ppb (43) 34.0 ppb (33) N/A 1.0 ppb (2) 2.0 ppb (2) 0.71 ppb (8) 60.8 μg/m3 (54) 19.5 μg/m3 (67) 67.0
 
April 10, 2021, 10 a.m. N/A 17.0 ppb (17) 46.9 ppb (45) 33.0 ppb (32) N/A 1.0 ppb (2) 1.0 ppb (1) 0.74 ppb (8) 73.0 μg/m3 (60) 20.9 μg/m3 (70) 70.0
 
April 10, 2021, 9 a.m. N/A 29.8 ppb (29) 64.3 ppb (62) 39.0 ppb (37) N/A 1.0 ppb (2) 2.0 ppb (2) 0.91 ppb (11) 79.6 μg/m3 (64) 26.4 μg/m3 (82) 82.0
 
April 10, 2021, 8 a.m. N/A 34.9 ppb (33) 72.5 ppb (71) 41.0 ppb (39) N/A 2.0 ppb (3) 1.0 ppb (1) 1.05 ppb (13) 76.6 μg/m3 (62) 24.7 μg/m3 (78) 78.0
 
April 10, 2021, 7 a.m. N/A 40.2 ppb (38) 78.3 ppb (77) 41.0 ppb (39) N/A 2.0 ppb (3) 1.0 ppb (1) 1.1 ppb (13) 93.3 μg/m3 (70) 25.1 μg/m3 (79) 79.0
 
April 10, 2021, 6 a.m. N/A 40.2 ppb (38) 81.6 ppb (81) 44.0 ppb (42) N/A 2.0 ppb (3) 2.0 ppb (2) 1.23 ppb (14) 173.0 μg/m3 (110) 30.9 μg/m3 (91) 110.0
 
April 10, 2021, 5 a.m. N/A 17.7 ppb (17) 59.4 ppb (57) 44.0 ppb (42) N/A 1.0 ppb (2) 2.0 ppb (2) 0.9 ppb (11) 78.4 μg/m3 (63) 20.7 μg/m3 (70) 70.0
 
April 10, 2021, 4 a.m. N/A 15.9 ppb (15) 58.4 ppb (56) 46.0 ppb (44) N/A 1.0 ppb (2) 3.0 ppb (3) 0.89 ppb (11) 74.0 μg/m3 (61) 21.2 μg/m3 (71) 71.0
 
April 10, 2021, 3 a.m. N/A 5.0 ppb (5) 37.7 ppb (36) 33.0 ppb (32) N/A 1.0 ppb (2) 16.0 ppb (15) 0.61 ppb (7) 64.3 μg/m3 (56) 15.7 μg/m3 (59) 59.0
 
April 10, 2021, 2 a.m. N/A 0.0 ppb (0) 18.3 ppb (18) 19.0 ppb (18) N/A 1.0 ppb (2) 38.0 ppb (36) 0.24 ppb (3) 34.9 μg/m3 (33) 9.4 μg/m3 (40) 40.0
 
April 10, 2021, 1 a.m. N/A -0.4 ppb (0) 2.9 ppb (3) 6.0 ppb (6) N/A 1.0 ppb (2) 54.0 ppb (50) 0.12 ppb (2) 28.6 μg/m3 (27) 7.0 μg/m3 (30) 50.0
 
April 10, 2021, midnight N/A -0.3 ppb (0) 2.3 ppb (3) 5.0 ppb (5) N/A 0.0 ppb (0) 52.0 ppb (49) 0.12 ppb (2) 27.9 μg/m3 (26) 7.1 μg/m3 (30) 49.0
 
April 9, 2021, 11 p.m. N/A -0.3 ppb (0) 1.8 ppb (2) 5.0 ppb (5) N/A 1.0 ppb (2) 51.0 ppb (48) 0.12 ppb (2) 29.9 μg/m3 (28) 7.0 μg/m3 (30) 48.0
 
April 9, 2021, 10 p.m. N/A -0.3 ppb (0) 1.6 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 51.0 ppb (48) 0.1 ppb (2) 31.4 μg/m3 (30) 7.3 μg/m3 (31) 48.0
 
April 9, 2021, 9 p.m. N/A -0.3 ppb (0) 1.5 ppb (2) 4.0 ppb (4) N/A 1.0 ppb (2) 51.0 ppb (48) 0.11 ppb (2) 34.8 μg/m3 (33) 8.0 μg/m3 (34) 48.0
 
April 9, 2021, 8 p.m. N/A -0.2 ppb (0) 1.6 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (47) 0.14 ppb (2) 42.7 μg/m3 (40) 9.0 μg/m3 (38) 47.0
 
April 9, 2021, 7 p.m. N/A -0.2 ppb (0) 1.6 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (47) 0.14 ppb (2) 52.0 μg/m3 (49) 9.7 μg/m3 (41) 49.0
 
April 9, 2021, 6 p.m. N/A -0.2 ppb (0) 1.7 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 49.0 ppb (46) 0.13 ppb (2) 51.2 μg/m3 (48) 9.5 μg/m3 (40) 48.0
 
April 9, 2021, 5 p.m. N/A -0.1 ppb (0) 1.8 ppb (2) 4.0 ppb (4) N/A 1.0 ppb (2) 48.0 ppb (45) 0.14 ppb (2) 52.2 μg/m3 (49) 8.7 μg/m3 (37) 49.0
 
April 9, 2021, 4 p.m. N/A 0.0 ppb (0) 2.9 ppb (3) 6.0 ppb (6) N/A 1.0 ppb (2) 45.0 ppb (42) 0.13 ppb (2) 54.1 μg/m3 (51) 8.6 μg/m3 (36) 51.0
 
April 9, 2021, 3 p.m. N/A 2.2 ppb (3) 11.2 ppb (11) 13.0 ppb (13) N/A 1.0 ppb (2) 35.0 ppb (33) 0.2 ppb (3) 49.5 μg/m3 (46) 8.5 μg/m3 (36) 46.0
 
April 9, 2021, 2 p.m. N/A 6.8 ppb (7) 27.6 ppb (27) 25.0 ppb (24) N/A 1.0 ppb (2) 20.0 ppb (19) 0.34 ppb (4) 45.1 μg/m3 (42) 9.9 μg/m3 (42) 42.0
 
April 9, 2021, 1 p.m. N/A 2.3 ppb (3) 24.6 ppb (24) 27.0 ppb (26) N/A 1.0 ppb (2) 14.0 ppb (13) 0.36 ppb (5) 37.4 μg/m3 (35) 8.6 μg/m3 (36) 36.0
 
April 9, 2021, noon N/A -0.4 ppb (0) 11.3 ppb (11) 16.0 ppb (16) N/A 0.0 ppb (0) 27.0 ppb (25) 0.21 ppb (3) 23.8 μg/m3 (23) 6.2 μg/m3 (26) 26.0
 
April 9, 2021, 11 a.m. N/A -0.5 ppb (0) 1.9 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 41.0 ppb (38) 0.12 ppb (2) 20.2 μg/m3 (19) 5.0 μg/m3 (21) 38.0
 
April 9, 2021, 10 a.m. N/A -0.4 ppb (0) 1.4 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 41.0 ppb (38) 0.12 ppb (2) 29.8 μg/m3 (28) 5.5 μg/m3 (23) 38.0
 
April 9, 2021, 9 a.m. N/A -0.5 ppb (0) 2.4 ppb (3) 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (37) 0.14 ppb (2) 20.3 μg/m3 (19) 4.8 μg/m3 (20) 37.0
 
April 9, 2021, 8 a.m. N/A -0.5 ppb (0) 3.3 ppb (4) 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (36) 0.14 ppb (2) 16.9 μg/m3 (16) 4.9 μg/m3 (21) 36.0
 
April 9, 2021, 7 a.m. N/A -0.5 ppb (0) 3.9 ppb (4) 7.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (36) 0.15 ppb (2) 18.5 μg/m3 (18) 4.6 μg/m3 (20) 36.0
 
April 9, 2021, 6 a.m. N/A -0.1 ppb (0) 6.2 ppb (6) 9.0 ppb (9) N/A 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) 32.0 μg/m3 (30) 7.1 μg/m3 (30) 35.0
 
April 9, 2021, 5 a.m. N/A -0.4 ppb (0) 6.3 ppb (6) 9.0 ppb (9) N/A 1.0 ppb (2) 40.0 ppb (38) 0.18 ppb (3) 17.9 μg/m3 (17) 4.5 μg/m3 (19) 38.0
 
April 9, 2021, 4 a.m. N/A -0.3 ppb (0) 6.8 ppb (7) 10.0 ppb (10) N/A 0.0 ppb (0) 41.0 ppb (38) 0.17 ppb (3) 21.1 μg/m3 (20) 5.3 μg/m3 (23) 38.0
 
April 9, 2021, 3 a.m. N/A -0.2 ppb (0) 11.5 ppb (11) 15.0 ppb (15) N/A 1.0 ppb (2) 37.0 ppb (35) 0.22 ppb (3) 22.4 μg/m3 (21) 5.6 μg/m3 (24) 35.0
 
April 9, 2021, 2 a.m. N/A -0.3 ppb (0) 6.2 ppb (6) 9.0 ppb (9) N/A 1.0 ppb (2) 48.0 ppb (45) 0.17 ppb (3) 24.7 μg/m3 (23) 5.9 μg/m3 (25) 45.0
 
April 9, 2021, 1 a.m. N/A -0.2 ppb (0) 3.6 ppb (4) 7.0 ppb (7) N/A 0.0 ppb (0) 54.0 ppb (50) 0.14 ppb (2) 100.7 μg/m3 (74) 10.0 μg/m3 (42) 74.0
 
April 9, 2021, midnight N/A 0.3 ppb (1) 4.4 ppb (5) 7.0 ppb (7) N/A 0.0 ppb (0) 54.0 ppb (50) 0.13 ppb (2) 52.7 μg/m3 (49) 7.2 μg/m3 (31) 50.0
 
April 8, 2021, 11 p.m. N/A 0.1 ppb (1) 3.2 ppb (4) 6.0 ppb (6) N/A 1.0 ppb (2) 52.0 ppb (49) 0.11 ppb (2) 40.9 μg/m3 (38) 6.1 μg/m3 (26) 49.0
 
April 8, 2021, 10 p.m. N/A 0.0 ppb (0) 2.7 ppb (3) 5.0 ppb (5) N/A 1.0 ppb (2) 49.0 ppb (46) 0.12 ppb (2) 38.1 μg/m3 (36) 6.0 μg/m3 (25) 46.0
 
April 8, 2021, 9 p.m. N/A 0.3 ppb (1) 3.2 ppb (4) 6.0 ppb (6) N/A 1.0 ppb (2) 49.0 ppb (46) 0.12 ppb (2) 36.1 μg/m3 (34) 5.8 μg/m3 (25) 46.0
 
April 8, 2021, 8 p.m. N/A 0.3 ppb (1) 3.4 ppb (4) 6.0 ppb (6) N/A 1.0 ppb (2) 47.0 ppb (44) 0.12 ppb (2) 48.5 μg/m3 (45) 6.3 μg/m3 (27) 45.0
 
April 8, 2021, 7 p.m. N/A 0.0 ppb (0) 3.1 ppb (3) 5.0 ppb (5) N/A 1.0 ppb (2) 49.0 ppb (46) 0.12 ppb (2) 24.2 μg/m3 (23) 5.9 μg/m3 (25) 46.0
 
April 8, 2021, 6 p.m. N/A 0.5 ppb (1) 4.9 ppb (5) 7.0 ppb (7) N/A 1.0 ppb (2) 46.0 ppb (43) 0.13 ppb (2) 38.5 μg/m3 (36) 6.9 μg/m3 (29) 43.0
 
April 8, 2021, 5 p.m. N/A 1.0 ppb (1) 6.5 ppb (7) 9.0 ppb (9) N/A 1.0 ppb (2) 44.0 ppb (41) 0.13 ppb (2) 39.0 μg/m3 (37) 6.9 μg/m3 (29) 41.0
 
April 8, 2021, 4 p.m. N/A 3.2 ppb (4) 14.2 ppb (14) 14.0 ppb (14) N/A 1.0 ppb (2) 33.0 ppb (31) 0.18 ppb (3) 53.6 μg/m3 (50) 8.4 μg/m3 (36) 50.0
 
April 8, 2021, 3 p.m. N/A 5.5 ppb (6) 20.2 ppb (20) 18.0 ppb (17) N/A 1.0 ppb (2) 28.0 ppb (26) 0.23 ppb (3) 41.6 μg/m3 (39) 7.8 μg/m3 (33) 39.0
 
April 8, 2021, 2 p.m. N/A 2.4 ppb (3) 15.8 ppb (15) 17.0 ppb (17) N/A 1.0 ppb (2) 26.0 ppb (25) 0.22 ppb (3) 31.4 μg/m3 (30) 6.7 μg/m3 (28) 30.0
 
April 8, 2021, 1 p.m. N/A 22.9 ppb (22) 50.1 ppb (48) 31.0 ppb (30) N/A 1.0 ppb (2) 4.0 ppb (4) 0.46 ppb (6) 64.9 μg/m3 (56) 13.8 μg/m3 (55) 56.0
 
April 8, 2021, noon N/A 0.4 ppb (1) 18.2 ppb (18) 21.0 ppb (20) N/A 1.0 ppb (2) 16.0 ppb (15) 0.23 ppb (3) 46.0 μg/m3 (43) 9.5 μg/m3 (40) 43.0
 
April 8, 2021, 11 a.m. N/A -0.3 ppb (0) 10.0 ppb (10) 13.0 ppb (13) N/A 1.0 ppb (2) 36.0 ppb (34) 0.19 ppb (3) 27.6 μg/m3 (26) 7.3 μg/m3 (31) 34.0
 
April 8, 2021, 10 a.m. N/A -0.1 ppb (0) 18.1 ppb (18) 23.0 ppb (22) N/A 1.0 ppb (2) 15.0 ppb (14) 0.27 ppb (4) 37.6 μg/m3 (35) 8.6 μg/m3 (36) 36.0
 
April 8, 2021, 9 a.m. N/A -0.4 ppb (0) 6.4 ppb (7) 9.0 ppb (9) N/A 1.0 ppb (2) 30.0 ppb (28) 0.15 ppb (2) 21.6 μg/m3 (20) 5.2 μg/m3 (22) 28.0
 
April 8, 2021, 8 a.m. N/A -0.5 ppb (0) 3.7 ppb (4) 7.0 ppb (7) N/A 1.0 ppb (2) 36.0 ppb (34) 0.11 ppb (2) 21.0 μg/m3 (20) 4.4 μg/m3 (19) 34.0
 
April 8, 2021, 7 a.m. N/A -0.5 ppb (0) 4.2 ppb (4) 7.0 ppb (7) N/A 1.0 ppb (2) 37.0 ppb (35) 0.11 ppb (2) 23.4 μg/m3 (22) 4.7 μg/m3 (20) 35.0
 
April 8, 2021, 6 a.m. N/A -0.4 ppb (0) 3.4 ppb (4) 6.0 ppb (6) N/A 1.0 ppb (2) 38.0 ppb (36) 0.11 ppb (2) 30.1 μg/m3 (28) 5.5 μg/m3 (23) 36.0
 
April 8, 2021, 5 a.m. N/A -0.4 ppb (0) 4.4 ppb (5) 7.0 ppb (7) N/A 1.0 ppb (2) 37.0 ppb (35) 0.12 ppb (2) 37.1 μg/m3 (35) 6.2 μg/m3 (26) 35.0
 
April 8, 2021, 4 a.m. N/A -0.4 ppb (0) 6.3 ppb (6) 9.0 ppb (9) N/A 1.0 ppb (2) 38.0 ppb (36) 0.15 ppb (2) 39.1 μg/m3 (37) 7.6 μg/m3 (32) 37.0
 
April 8, 2021, 3 a.m. N/A -0.2 ppb (0) 16.0 ppb (16) 17.0 ppb (17) N/A 1.0 ppb (2) 33.0 ppb (31) 0.29 ppb (4) 40.6 μg/m3 (38) 9.7 μg/m3 (41) 41.0
 
April 8, 2021, 2 a.m. N/A -0.2 ppb (0) 12.4 ppb (12) 15.0 ppb (15) N/A 1.0 ppb (2) 38.0 ppb (36) 0.26 ppb (4) 28.7 μg/m3 (27) 7.6 μg/m3 (32) 36.0
 
April 8, 2021, 1 a.m. N/A -0.3 ppb (0) 4.6 ppb (5) 7.0 ppb (7) N/A 1.0 ppb (2) 52.0 ppb (49) 0.15 ppb (2) 23.1 μg/m3 (22) 6.2 μg/m3 (26) 49.0
 
April 8, 2021, midnight N/A 0.0 ppb (0) 3.1 ppb (3) 6.0 ppb (6) N/A 1.0 ppb (2) 52.0 ppb (49) 0.15 ppb (2) 32.2 μg/m3 (30) 7.1 μg/m3 (30) 49.0
 
April 7, 2021, 11 p.m. N/A 0.2 ppb (1) 3.8 ppb (4) 6.0 ppb (6) N/A 1.0 ppb (2) 53.0 ppb (50) 0.13 ppb (2) 30.8 μg/m3 (29) 6.7 μg/m3 (28) 50.0
 
April 7, 2021, 10 p.m. N/A -0.2 ppb (0) 2.5 ppb (3) 5.0 ppb (5) N/A 0.0 ppb (0) 55.0 ppb (51) 0.17 ppb (3) 29.7 μg/m3 (28) 6.4 μg/m3 (27) 51.0
 
April 7, 2021, 9 p.m. N/A -0.2 ppb (0) 2.7 ppb (3) 5.0 ppb (5) N/A 0.0 ppb (0) 54.0 ppb (50) 0.13 ppb (2) 30.0 μg/m3 (28) 6.5 μg/m3 (28) 50.0
 
April 7, 2021, 8 p.m. N/A -0.2 ppb (0) 2.0 ppb (2) 4.0 ppb (4) N/A 1.0 ppb (2) 51.0 ppb (48) 0.12 ppb (2) 21.8 μg/m3 (21) 5.6 μg/m3 (24) 48.0
 
April 7, 2021, 7 p.m. N/A 0.1 ppb (1) 2.7 ppb (3) 5.0 ppb (5) N/A 1.0 ppb (2) 48.0 ppb (45) 0.12 ppb (2) 17.4 μg/m3 (17) 4.3 μg/m3 (18) 45.0
 
April 7, 2021, 6 p.m. N/A 0.5 ppb (1) 4.5 ppb (5) 7.0 ppb (7) N/A 1.0 ppb (2) 46.0 ppb (43) 0.14 ppb (2) 20.6 μg/m3 (20) 4.6 μg/m3 (20) 43.0
 
April 7, 2021, 5 p.m. N/A 2.0 ppb (2) 9.5 ppb (9) 10.0 ppb (10) N/A 1.0 ppb (2) 38.0 ppb (36) 0.17 ppb (3) 27.9 μg/m3 (26) 5.7 μg/m3 (24) 36.0
 
April 7, 2021, 4 p.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 24.0 ppb (23) 0.31 ppb (4) 48.5 μg/m3 (45) 8.6 μg/m3 (36) 45.0
 
April 7, 2021, 3 p.m. N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 10.0 ppb (10) 0.48 ppb (6) 69.4 μg/m3 (59) 13.2 μg/m3 (54) 59.0
 
April 7, 2021, 2 p.m. N/A 24.4 ppb (24) 50.7 ppb (48) 30.0 ppb (29) N/A 1.0 ppb (2) 7.0 ppb (7) 0.48 ppb (6) 66.6 μg/m3 (57) 11.2 μg/m3 (47) 57.0
 
April 7, 2021, 1 p.m. N/A 23.4 ppb (23) 50.4 ppb (48) N/A N/A 1.0 ppb (2) 2.0 ppb (2) 0.56 ppb (7) 47.9 μg/m3 (45) 12.6 μg/m3 (53) 53.0
 
April 7, 2021, noon N/A 23.7 ppb (23) 53.5 ppb (51) 33.0 ppb (32) N/A 1.0 ppb (2) 1.0 ppb (1) 0.67 ppb (8) 49.1 μg/m3 (46) 14.7 μg/m3 (57) 57.0
 
April 7, 2021, 11 a.m. N/A 23.5 ppb (23) 54.5 ppb (52) 34.0 ppb (33) N/A 1.0 ppb (2) 2.0 ppb (2) 0.69 ppb (8) 51.7 μg/m3 (48) 16.0 μg/m3 (60) 60.0
 
April 7, 2021, 10 a.m. N/A 16.7 ppb (16) 44.9 ppb (43) 31.0 ppb (30) N/A 1.0 ppb (2) 1.0 ppb (1) 0.65 ppb (8) 67.3 μg/m3 (58) 15.4 μg/m3 (58) 58.0
 
April 7, 2021, 9 a.m. N/A 25.2 ppb (24) 56.8 ppb (54) 35.0 ppb (34) N/A 1.0 ppb (2) 1.0 ppb (1) 0.81 ppb (10) 57.1 μg/m3 (53) 16.6 μg/m3 (61) 61.0
 
April 7, 2021, 8 a.m. N/A 27.8 ppb (27) 61.8 ppb (60) 37.0 ppb (35) N/A 1.0 ppb (2) 1.0 ppb (1) 0.8 ppb (10) 58.4 μg/m3 (53) 15.7 μg/m3 (59) 60.0
 
April 7, 2021, 7 a.m. N/A 19.3 ppb (19) 54.6 ppb (52) 38.0 ppb (36) N/A 1.0 ppb (2) 1.0 ppb (1) 0.75 ppb (10) 53.3 μg/m3 (50) 15.4 μg/m3 (58) 58.0
 
April 7, 2021, 6 a.m. N/A 19.7 ppb (19) 57.0 ppb (55) 40.0 ppb (38) N/A 1.0 ppb (2) 2.0 ppb (2) 0.8 ppb (10) 55.6 μg/m3 (52) 16.0 μg/m3 (60) 60.0
 
April 7, 2021, 5 a.m. N/A 3.0 ppb (3) 30.5 ppb (29) 30.0 ppb (29) N/A 1.0 ppb (2) 11.0 ppb (11) 0.44 ppb (5) 50.0 μg/m3 (47) 12.7 μg/m3 (53) 53.0
 
April 7, 2021, 4 a.m. N/A 0.8 ppb (1) 21.3 ppb (21) 24.0 ppb (23) N/A 1.0 ppb (2) 20.0 ppb (19) 0.45 ppb (6) 49.8 μg/m3 (47) 11.4 μg/m3 (48) 48.0
 
April 7, 2021, 3 a.m. N/A -0.2 ppb (0) 14.2 ppb (14) 19.0 ppb (18) N/A 1.0 ppb (2) 29.0 ppb (27) 0.28 ppb (4) 45.9 μg/m3 (43) 9.2 μg/m3 (39) 43.0
 
April 7, 2021, 2 a.m. N/A -0.2 ppb (0) 9.3 ppb (9) 13.0 ppb (13) N/A 1.0 ppb (2) 40.0 ppb (38) 0.24 ppb (3) 32.0 μg/m3 (30) 6.9 μg/m3 (29) 38.0
 
April 7, 2021, 1 a.m. N/A -0.4 ppb (0) 2.1 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 52.0 ppb (49) N/A 33.4 μg/m3 (31) 6.3 μg/m3 (27) 49.0
 
April 7, 2021, midnight N/A -0.2 ppb (0) 2.5 ppb (3) 5.0 ppb (5) N/A 0.0 ppb (0) 52.0 ppb (49) 0.13 ppb (2) 35.3 μg/m3 (33) 6.6 μg/m3 (28) 49.0
 
April 6, 2021, 11 p.m. N/A -0.2 ppb (0) 2.1 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 52.0 ppb (49) 0.12 ppb (2) 36.4 μg/m3 (34) 7.0 μg/m3 (30) 49.0
 
April 6, 2021, 10 p.m. N/A -0.2 ppb (0) 1.9 ppb (2) 4.0 ppb (4) N/A 1.0 ppb (2) 51.0 ppb (48) 0.11 ppb (2) 42.7 μg/m3 (40) 7.4 μg/m3 (31) 48.0
 
April 6, 2021, 9 p.m. N/A -0.3 ppb (0) 1.4 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (47) 0.11 ppb (2) 46.4 μg/m3 (43) 8.0 μg/m3 (34) 47.0
 
April 6, 2021, 8 p.m. N/A -0.3 ppb (0) 1.4 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 51.0 ppb (48) 0.12 ppb (2) 49.6 μg/m3 (46) 8.9 μg/m3 (38) 48.0
 
April 6, 2021, 7 p.m. N/A -0.2 ppb (0) 1.5 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 54.0 ppb (50) 0.11 ppb (2) 55.7 μg/m3 (52) 9.2 μg/m3 (39) 52.0
 
April 6, 2021, 6 p.m. N/A -0.3 ppb (0) 1.4 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 56.0 ppb (55) 0.11 ppb (2) 58.0 μg/m3 (53) 9.3 μg/m3 (39) 55.0
 
April 6, 2021, 5 p.m. N/A -0.2 ppb (0) 1.6 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 57.0 ppb (58) 0.12 ppb (2) 55.3 μg/m3 (52) 8.5 μg/m3 (36) 58.0
 
April 6, 2021, 4 p.m. N/A -0.2 ppb (0) 1.9 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 58.0 ppb (61) 0.12 ppb (2) 89.4 μg/m3 (69) 11.4 μg/m3 (48) 69.0
 
April 6, 2021, 3 p.m. N/A 0.3 ppb (1) 3.1 ppb (3) 6.0 ppb (6) N/A 0.0 ppb (0) 56.0 ppb (55) 0.12 ppb (2) 123.2 μg/m3 (85) 14.9 μg/m3 (57) 85.0
 
April 6, 2021, 2 p.m. N/A -0.1 ppb (0) 3.5 ppb (4) 6.0 ppb (6) N/A 0.0 ppb (0) 52.0 ppb (49) 0.13 ppb (2) 133.0 μg/m3 (90) 18.3 μg/m3 (65) 90.0
 
April 6, 2021, 1 p.m. N/A -0.4 ppb (0) 2.4 ppb (3) 5.0 ppb (5) N/A 0.0 ppb (0) 52.0 ppb (49) 0.12 ppb (2) 149.1 μg/m3 (98) 19.9 μg/m3 (68) 98.0
 
April 6, 2021, noon N/A -0.4 ppb (0) 2.0 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 49.0 ppb (46) 0.11 ppb (2) 188.6 μg/m3 (118) 26.0 μg/m3 (81) 118.0
 
April 6, 2021, 11 a.m. N/A -0.4 ppb (0) 2.0 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (41) 0.11 ppb (2) 99.7 μg/m3 (74) 15.2 μg/m3 (58) 74.0
 
April 6, 2021, 10 a.m. N/A -0.4 ppb (0) 1.5 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (41) 0.1 ppb (2) 33.2 μg/m3 (31) 5.7 μg/m3 (24) 41.0
 
April 6, 2021, 9 a.m. N/A -0.4 ppb (0) 1.9 ppb (2) 5.0 ppb (5) N/A 1.0 ppb (2) 43.0 ppb (40) 0.1 ppb (2) 24.9 μg/m3 (24) 4.9 μg/m3 (21) 40.0
 
April 6, 2021, 8 a.m. N/A -0.4 ppb (0) 1.8 ppb (2) 5.0 ppb (5) N/A 1.0 ppb (2) N/A 0.11 ppb (2) 23.9 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
April 6, 2021, 7 a.m. N/A -0.4 ppb (0) 1.6 ppb (2) 5.0 ppb (5) N/A 1.0 ppb (2) 46.0 ppb (43) 0.1 ppb (2) 38.4 μg/m3 (36) 5.5 μg/m3 (23) 43.0
 
April 6, 2021, 6 a.m. N/A -0.4 ppb (0) 1.8 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 46.0 ppb (43) 0.11 ppb (2) 62.9 μg/m3 (55) 6.9 μg/m3 (29) 55.0
 
April 6, 2021, 5 a.m. N/A -0.4 ppb (0) 2.7 ppb (3) 6.0 ppb (6) N/A 0.0 ppb (0) 47.0 ppb (44) 0.12 ppb (2) 38.3 μg/m3 (36) 6.0 μg/m3 (25) 44.0
 
April 6, 2021, 4 a.m. N/A -0.3 ppb (0) 3.7 ppb (4) 7.0 ppb (7) N/A 1.0 ppb (2) 45.0 ppb (42) 0.12 ppb (2) 55.3 μg/m3 (52) 7.3 μg/m3 (31) 52.0
 
April 6, 2021, 3 a.m. N/A -0.4 ppb (0) 3.3 ppb (4) 6.0 ppb (6) N/A 1.0 ppb (2) 48.0 ppb (45) 0.11 ppb (2) 83.6 μg/m3 (66) 9.5 μg/m3 (40) 66.0
 
April 6, 2021, 2 a.m. N/A -0.3 ppb (0) 4.0 ppb (4) 7.0 ppb (7) N/A 1.0 ppb (2) 46.0 ppb (43) 0.12 ppb (2) 60.0 μg/m3 (54) 9.0 μg/m3 (38) 54.0
 
April 6, 2021, 1 a.m. N/A -0.2 ppb (0) 3.4 ppb (4) 6.0 ppb (6) N/A 1.0 ppb (2) 49.0 ppb (46) 0.12 ppb (2) 56.6 μg/m3 (52) 9.1 μg/m3 (38) 52.0
 
April 6, 2021, midnight N/A -0.1 ppb (0) 2.6 ppb (3) 5.0 ppb (5) N/A 1.0 ppb (2) 50.0 ppb (47) 0.11 ppb (2) 44.3 μg/m3 (42) 7.0 μg/m3 (30) 47.0
 
April 5, 2021, 11 p.m. N/A -0.1 ppb (0) 2.3 ppb (3) 5.0 ppb (5) N/A 1.0 ppb (2) 51.0 ppb (48) 0.12 ppb (2) 45.1 μg/m3 (42) 7.1 μg/m3 (30) 48.0
 
April 5, 2021, 10 p.m. N/A 0.0 ppb (0) 2.7 ppb (3) 5.0 ppb (5) N/A 1.0 ppb (2) 50.0 ppb (47) 0.11 ppb (2) 46.6 μg/m3 (44) 6.4 μg/m3 (27) 47.0
 
April 5, 2021, 9 p.m. N/A 0.1 ppb (1) 2.6 ppb (3) 5.0 ppb (5) N/A 1.0 ppb (2) 50.0 ppb (47) 0.1 ppb (2) 39.4 μg/m3 (37) 5.9 μg/m3 (25) 47.0
 
April 5, 2021, 8 p.m. N/A 0.3 ppb (1) 3.5 ppb (4) 6.0 ppb (6) N/A 1.0 ppb (2) 51.0 ppb (48) 0.11 ppb (2) 104.5 μg/m3 (76) 7.7 μg/m3 (33) 76.0
 
April 5, 2021, 7 p.m. N/A 0.3 ppb (1) 4.3 ppb (5) 6.0 ppb (6) N/A 1.0 ppb (2) 50.0 ppb (47) 0.12 ppb (2) 54.0 μg/m3 (50) 5.7 μg/m3 (24) 50.0
 
April 5, 2021, 6 p.m. N/A 0.8 ppb (1) 5.8 ppb (6) 8.0 ppb (8) N/A 1.0 ppb (2) 45.0 ppb (42) 0.12 ppb (2) 23.4 μg/m3 (22) 4.6 μg/m3 (20) 42.0
 
April 5, 2021, 5 p.m. N/A 0.5 ppb (1) 4.1 ppb (4) 6.0 ppb (6) N/A 1.0 ppb (2) 42.0 ppb (39) 0.11 ppb (2) 22.1 μg/m3 (21) 4.3 μg/m3 (18) 39.0
 
April 5, 2021, 4 p.m. N/A 6.0 ppb (6) 19.3 ppb (19) 17.0 ppb (17) N/A 1.0 ppb (2) 29.0 ppb (27) 0.23 ppb (3) 35.9 μg/m3 (34) 6.2 μg/m3 (26) 34.0
 
April 5, 2021, 3 p.m. N/A 30.3 ppb (29) 59.3 ppb (57) 33.0 ppb (32) N/A 1.0 ppb (2) 11.0 ppb (11) 0.63 ppb (7) 61.8 μg/m3 (55) 12.4 μg/m3 (52) 57.0
 
April 5, 2021, 2 p.m. N/A 61.7 ppb (60) 94.5 ppb (95) 38.0 ppb (36) N/A 2.0 ppb (3) 3.0 ppb (3) 0.94 ppb (11) 66.4 μg/m3 (57) 15.2 μg/m3 (58) 95.0
 
April 5, 2021, 1 p.m. N/A 46.7 ppb (45) 76.4 ppb (75) 33.0 ppb (32) N/A 2.0 ppb (3) 1.0 ppb (1) 0.79 ppb (10) 47.4 μg/m3 (44) 12.8 μg/m3 (53) 75.0
 
April 5, 2021, noon N/A 23.5 ppb (23) 52.3 ppb (50) 32.0 ppb (31) N/A 1.0 ppb (2) 1.0 ppb (1) 0.61 ppb (7) 35.1 μg/m3 (33) 11.5 μg/m3 (48) 50.0
 
April 5, 2021, 11 a.m. N/A 6.0 ppb (6) 34.4 ppb (33) 31.0 ppb (30) N/A 1.0 ppb (2) 2.0 ppb (2) 0.49 ppb (6) 35.4 μg/m3 (33) 9.9 μg/m3 (42) 42.0
 
April 5, 2021, 10 a.m. N/A 0.3 ppb (1) 21.8 ppb (21) 27.0 ppb (26) N/A 1.0 ppb (2) 12.0 ppb (12) 0.32 ppb (4) 29.9 μg/m3 (28) 8.2 μg/m3 (35) 35.0
 
April 5, 2021, 9 a.m. N/A -0.2 ppb (0) 15.2 ppb (15) 18.0 ppb (17) N/A 1.0 ppb (2) 19.0 ppb (18) 0.25 ppb (3) 25.8 μg/m3 (24) 7.5 μg/m3 (32) 32.0
 
April 5, 2021, 8 a.m. N/A -0.4 ppb (0) 7.5 ppb (8) 12.0 ppb (12) N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) 20.9 μg/m3 (20) 4.6 μg/m3 (20) 31.0
 
April 5, 2021, 7 a.m. N/A -0.4 ppb (0) 7.7 ppb (8) 10.0 ppb (10) N/A 1.0 ppb (2) 36.0 ppb (34) 0.17 ppb (3) 17.4 μg/m3 (17) 4.9 μg/m3 (21) 34.0
 
April 5, 2021, 6 a.m. N/A -0.2 ppb (0) 17.2 ppb (17) 21.0 ppb (20) N/A 1.0 ppb (2) 23.0 ppb (22) 0.27 ppb (4) 26.9 μg/m3 (25) 7.5 μg/m3 (32) 32.0
 
April 5, 2021, 5 a.m. N/A -0.2 ppb (0) 17.9 ppb (17) 21.0 ppb (20) N/A 1.0 ppb (2) 30.0 ppb (28) 0.25 ppb (3) 20.3 μg/m3 (19) 6.1 μg/m3 (26) 28.0
 
April 5, 2021, 4 a.m. N/A -0.3 ppb (0) 15.9 ppb (15) 19.0 ppb (18) N/A 1.0 ppb (2) 38.0 ppb (36) 0.22 ppb (3) 17.9 μg/m3 (17) 6.2 μg/m3 (26) 36.0
 
April 5, 2021, 3 a.m. N/A -0.3 ppb (0) 12.0 ppb (12) 16.0 ppb (16) N/A N/A 42.0 ppb (39) 0.24 ppb (3) 18.6 μg/m3 (18) 6.3 μg/m3 (27) 39.0
 
April 5, 2021, 2 a.m. N/A -0.4 ppb (0) 6.0 ppb (6) 9.0 ppb (9) N/A N/A 50.0 ppb (47) 0.18 ppb (3) 16.6 μg/m3 (16) 5.0 μg/m3 (21) 47.0
 
April 5, 2021, 1 a.m. N/A -0.3 ppb (0) 4.7 ppb (5) 8.0 ppb (8) N/A 1.0 ppb (2) 53.0 ppb (50) 0.15 ppb (2) 16.7 μg/m3 (16) 4.7 μg/m3 (20) 50.0
 
April 5, 2021, midnight N/A -0.1 ppb (0) 3.0 ppb (3) 5.0 ppb (5) N/A 1.0 ppb (2) 54.0 ppb (50) 0.12 ppb (2) 24.2 μg/m3 (23) 5.0 μg/m3 (21) 50.0
 
April 4, 2021, 11 p.m. N/A -0.2 ppb (0) 2.5 ppb (3) 5.0 ppb (5) N/A 0.0 ppb (0) 52.0 ppb (49) 0.13 ppb (2) 17.6 μg/m3 (17) 4.8 μg/m3 (20) 49.0
 
April 4, 2021, 10 p.m. N/A -0.3 ppb (0) 2.2 ppb (3) 5.0 ppb (5) N/A 0.0 ppb (0) 54.0 ppb (50) 0.11 ppb (2) 16.3 μg/m3 (16) 4.3 μg/m3 (18) 50.0
 
April 4, 2021, 9 p.m. N/A 0.0 ppb (0) 4.3 ppb (5) 6.0 ppb (6) N/A 1.0 ppb (2) 59.0 ppb (65) 0.13 ppb (2) 16.6 μg/m3 (16) 4.6 μg/m3 (20) 65.0
 
April 4, 2021, 8 p.m. N/A 0.2 ppb (1) 4.8 ppb (5) 7.0 ppb (7) N/A 1.0 ppb (2) 57.0 ppb (58) 0.13 ppb (2) 17.5 μg/m3 (17) 4.8 μg/m3 (20) 58.0
 
April 4, 2021, 7 p.m. N/A 0.0 ppb (0) 3.6 ppb (4) 5.0 ppb (5) N/A 1.0 ppb (2) 57.0 ppb (58) 0.13 ppb (2) 17.8 μg/m3 (17) 5.2 μg/m3 (22) 58.0
 
April 4, 2021, 6 p.m. N/A 0.6 ppb (1) 6.4 ppb (7) 8.0 ppb (8) N/A 1.0 ppb (2) 52.0 ppb (49) 0.17 ppb (3) 21.9 μg/m3 (21) 6.3 μg/m3 (27) 49.0
 
April 4, 2021, 5 p.m. N/A 1.9 ppb (2) 10.5 ppb (10) 11.0 ppb (11) N/A 0.0 ppb (0) 44.0 ppb (41) 0.22 ppb (3) 31.4 μg/m3 (30) 7.8 μg/m3 (33) 41.0
 
April 4, 2021, 4 p.m. N/A 3.2 ppb (4) 13.3 ppb (13) 14.0 ppb (14) N/A 1.0 ppb (2) 35.0 ppb (33) 0.25 ppb (3) 35.2 μg/m3 (33) 7.8 μg/m3 (33) 33.0
 
April 4, 2021, 3 p.m. N/A 11.5 ppb (11) 31.5 ppb (30) 24.0 ppb (23) N/A 1.0 ppb (2) 20.0 ppb (19) 0.48 ppb (6) 44.2 μg/m3 (41) 11.6 μg/m3 (49) 49.0
 
April 4, 2021, 2 p.m. N/A 17.7 ppb (17) 42.5 ppb (41) 27.0 ppb (26) N/A 1.0 ppb (2) 8.0 ppb (8) 0.66 ppb (8) 41.3 μg/m3 (39) 14.9 μg/m3 (57) 57.0
 
April 4, 2021, 1 p.m. N/A 11.6 ppb (11) 39.7 ppb (38) 30.0 ppb (29) N/A 1.0 ppb (2) 2.0 ppb (2) 0.65 ppb (8) 37.9 μg/m3 (36) 13.0 μg/m3 (53) 53.0
 
April 4, 2021, noon N/A 4.4 ppb (5) 33.5 ppb (32) 31.0 ppb (30) N/A 1.0 ppb (2) 2.0 ppb (2) 0.61 ppb (7) 33.7 μg/m3 (32) 13.1 μg/m3 (54) 54.0
 
April 4, 2021, 11 a.m. N/A 7.4 ppb (7) 37.8 ppb (36) 33.0 ppb (32) N/A 1.0 ppb (2) 3.0 ppb (3) 0.64 ppb (7) 34.7 μg/m3 (33) 12.2 μg/m3 (52) 52.0
 
April 4, 2021, 10 a.m. N/A 9.9 ppb (10) 41.5 ppb (40) 34.0 ppb (33) N/A 1.0 ppb (2) 2.0 ppb (2) 0.67 ppb (8) 41.6 μg/m3 (39) 13.0 μg/m3 (53) 53.0
 
April 4, 2021, 9 a.m. N/A 5.6 ppb (6) 36.9 ppb (35) 34.0 ppb (33) N/A 1.0 ppb (2) 3.0 ppb (3) 0.63 ppb (7) 41.2 μg/m3 (39) 12.3 μg/m3 (52) 52.0
 
April 4, 2021, 8 a.m. N/A 0.7 ppb (1) 24.6 ppb (24) 27.0 ppb (26) N/A 1.0 ppb (2) 13.0 ppb (13) 0.45 ppb (6) 40.8 μg/m3 (38) 11.7 μg/m3 (49) 49.0
 
April 4, 2021, 7 a.m. N/A 1.9 ppb (2) 33.2 ppb (32) 36.0 ppb (34) N/A 1.0 ppb (2) 10.0 ppb (10) 0.57 ppb (7) 34.7 μg/m3 (33) 10.8 μg/m3 (46) 46.0
 
April 4, 2021, 6 a.m. N/A -0.3 ppb (0) 16.6 ppb (16) 20.0 ppb (19) N/A 1.0 ppb (2) 32.0 ppb (30) 0.3 ppb (4) 31.2 μg/m3 (29) 8.3 μg/m3 (35) 35.0
 
April 4, 2021, 5 a.m. N/A -0.3 ppb (0) 13.5 ppb (13) 17.0 ppb (17) N/A 1.0 ppb (2) 36.0 ppb (34) 0.21 ppb (3) 32.1 μg/m3 (30) 7.9 μg/m3 (33) 34.0
 
April 4, 2021, 4 a.m. N/A -0.3 ppb (0) 16.6 ppb (16) 20.0 ppb (19) N/A 1.0 ppb (2) 36.0 ppb (34) 0.27 ppb (4) 27.5 μg/m3 (26) 8.0 μg/m3 (34) 34.0
 
April 4, 2021, 3 a.m. N/A -0.4 ppb (0) 11.6 ppb (11) 15.0 ppb (15) N/A 1.0 ppb (2) 43.0 ppb (40) 0.24 ppb (3) 23.9 μg/m3 (23) 7.2 μg/m3 (31) 40.0