AQSQID: 270031002

Site Name: Blaine

Location: Blaine (Airport Rd Neast), MN

Reporting: True, Located: True

Current AQI: 50.0

Blaine (Airport Rd Neast) MN, US: 45.1425, -93.2139

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 12, 2019, 7 a.m. 7.2 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) 0.23 ppb (3) 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Dec. 12, 2019, 6 a.m. 8.3 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) 0.23 ppb (3) 21.0 μg/m3 (19) 17.0 μg/m3 (61) 61.0
 
Dec. 12, 2019, 5 a.m. 6.6 ppb (6) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 25.0 ppb (19) 0.21 ppb (2) 17.0 μg/m3 (15) 14.0 μg/m3 (54) 54.0
 
Dec. 12, 2019, 4 a.m. 10.4 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 22.0 ppb (17) 0.23 ppb (3) 19.0 μg/m3 (17) 13.0 μg/m3 (52) 52.0
 
Dec. 12, 2019, 3 a.m. 18.2 ppb (17) 0.7 ppb (1) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 15.0 ppb (12) 0.26 ppb (3) 25.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
Dec. 12, 2019, 2 a.m. 24.6 ppb (23) 1.0 ppb (1) N/A 24.0 ppb (22) N/A 1.0 ppb (1) 10.0 ppb (8) 0.32 ppb (4) 31.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
Dec. 12, 2019, 1 a.m. 30.4 ppb (28) 1.6 ppb (1) N/A 29.0 ppb (27) N/A 1.0 ppb (1) 5.0 ppb (4) 0.36 ppb (4) 34.0 μg/m3 (31) 13.0 μg/m3 (52) 52.0
 
Dec. 12, 2019, midnight 28.6 ppb (26) 1.7 ppb (2) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 8.0 ppb (6) 0.4 ppb (4) 39.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
Dec. 11, 2019, 11 p.m. 28.2 ppb (26) 2.0 ppb (2) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 9.0 ppb (7) 0.35 ppb (4) 40.0 μg/m3 (36) 15.0 μg/m3 (56) 56.0
 
Dec. 11, 2019, 10 p.m. 25.1 ppb (23) 2.6 ppb (2) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 13.0 ppb (10) 0.32 ppb (4) 43.0 μg/m3 (39) 13.0 μg/m3 (52) 52.0
 
Dec. 11, 2019, 9 p.m. 17.5 ppb (16) 3.9 ppb (4) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 22.0 ppb (17) 0.27 ppb (3) 28.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
Dec. 11, 2019, 8 p.m. 16.1 ppb (15) 5.6 ppb (5) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (19) 0.26 ppb (3) 37.0 μg/m3 (34) 11.0 μg/m3 (46) 46.0
 
Dec. 11, 2019, 7 p.m. 17.5 ppb (16) 7.3 ppb (7) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 24.0 ppb (18) 0.27 ppb (3) 32.0 μg/m3 (29) 13.0 μg/m3 (52) 52.0
 
Dec. 11, 2019, 6 p.m. 16.2 ppb (15) 7.2 ppb (7) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (18) 0.25 ppb (3) 27.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
Dec. 11, 2019, 5 p.m. 16.1 ppb (15) 7.5 ppb (7) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (18) 0.25 ppb (3) 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Dec. 11, 2019, 4 p.m. 16.9 ppb (16) 7.7 ppb (7) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (18) 0.24 ppb (3) 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Dec. 11, 2019, 3 p.m. 17.8 ppb (16) 7.4 ppb (7) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 20.0 ppb (15) 0.25 ppb (3) 13.0 μg/m3 (12) 16.0 μg/m3 (59) 59.0
 
Dec. 11, 2019, 2 p.m. 23.6 ppb (22) 7.3 ppb (7) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 13.0 ppb (10) 0.29 ppb (3) 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Dec. 11, 2019, 1 p.m. 23.2 ppb (21) 3.6 ppb (3) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 9.0 ppb (7) 0.29 ppb (3) 17.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
Dec. 11, 2019, noon 15.5 ppb (14) 1.6 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 14.0 ppb (11) 0.25 ppb (3) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Dec. 11, 2019, 11 a.m. 12.8 ppb (12) 1.8 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 18.0 ppb (14) 0.21 ppb (2) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Dec. 11, 2019, 10 a.m. 10.2 ppb (9) 1.2 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 20.0 ppb (15) 0.19 ppb (2) 13.0 μg/m3 (12) 15.0 μg/m3 (56) 56.0
 
Dec. 11, 2019, 9 a.m. 8.5 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) 12.0 μg/m3 (11) 11.0 μg/m3 (46) 46.0
 
Dec. 11, 2019, 8 a.m. 8.4 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
Dec. 11, 2019, 7 a.m. 23.3 ppb (22) 1.9 ppb (2) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 10.0 ppb (8) 0.24 ppb (3) 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Dec. 11, 2019, 6 a.m. 25.7 ppb (24) 2.0 ppb (2) N/A 24.0 ppb (22) N/A N/A 7.0 ppb (5) 0.26 ppb (3) 18.0 μg/m3 (16) 15.0 μg/m3 (56) 56.0
 
Dec. 11, 2019, 5 a.m. 25.8 ppb (24) 2.1 ppb (2) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 7.0 ppb (5) 0.29 ppb (3) 19.0 μg/m3 (17) 13.0 μg/m3 (52) 52.0
 
Dec. 11, 2019, 4 a.m. 20.0 ppb (19) 0.9 ppb (1) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 11.0 ppb (8) 0.27 ppb (3) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Dec. 11, 2019, 3 a.m. 13.4 ppb (12) 0.6 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 18.0 ppb (14) 0.24 ppb (3) 18.0 μg/m3 (16) 17.0 μg/m3 (61) 61.0
 
Dec. 11, 2019, 2 a.m. 11.5 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 20.0 ppb (15) 0.22 ppb (2) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Dec. 11, 2019, 1 a.m. 7.7 ppb (7) 0.5 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (18) 0.18 ppb (2) 12.0 μg/m3 (11) 14.0 μg/m3 (54) 54.0
 
Dec. 11, 2019, midnight 9.7 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 12.0 μg/m3 (11) 13.0 μg/m3 (52) 52.0
 
Dec. 10, 2019, 11 p.m. 8.6 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (18) 0.21 ppb (2) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Dec. 10, 2019, 10 p.m. 7.3 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) 23.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
Dec. 10, 2019, 9 p.m. 6.0 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.19 ppb (2) 14.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Dec. 10, 2019, 8 p.m. 7.1 ppb (7) 2.5 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) 0.18 ppb (2) 17.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Dec. 10, 2019, 7 p.m. 7.7 ppb (7) 3.1 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.19 ppb (2) 8.0 μg/m3 (7) 11.0 μg/m3 (46) 46.0
 
Dec. 10, 2019, 6 p.m. 5.9 ppb (5) 2.5 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) 0.19 ppb (2) 18.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Dec. 10, 2019, 5 p.m. 5.2 ppb (5) 2.2 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.17 ppb (2) 18.0 μg/m3 (16) 14.0 μg/m3 (54) 54.0
 
Dec. 10, 2019, 4 p.m. 6.8 ppb (6) 2.9 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.18 ppb (2) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Dec. 10, 2019, 3 p.m. 14.6 ppb (14) 5.4 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (17) 0.24 ppb (3) 13.0 μg/m3 (12) 14.0 μg/m3 (54) 54.0
 
Dec. 10, 2019, 2 p.m. 18.8 ppb (17) 4.4 ppb (4) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 17.0 ppb (13) 0.25 ppb (3) 19.0 μg/m3 (17) 18.0 μg/m3 (63) 63.0
 
Dec. 10, 2019, 1 p.m. 20.8 ppb (19) 2.5 ppb (2) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 13.0 ppb (10) 0.26 ppb (3) 20.0 μg/m3 (18) 14.0 μg/m3 (54) 54.0
 
Dec. 10, 2019, noon 21.9 ppb (20) 2.0 ppb (2) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 12.0 ppb (9) 0.25 ppb (3) 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Dec. 10, 2019, 11 a.m. 18.2 ppb (17) 1.5 ppb (1) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 15.0 ppb (12) 0.21 ppb (2) 19.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
Dec. 10, 2019, 10 a.m. 13.7 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 18.0 ppb (14) 0.17 ppb (2) 15.0 μg/m3 (14) 12.0 μg/m3 (50) 50.0
 
Dec. 10, 2019, 9 a.m. 12.9 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (15) 0.15 ppb (2) 13.0 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
Dec. 10, 2019, 8 a.m. 12.0 ppb (11) 0.6 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (16) N/A 14.0 μg/m3 (13) 12.0 μg/m3 (50) 50.0
 
Dec. 10, 2019, 7 a.m. 12.3 ppb (11) 0.8 ppb (1) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 21.0 ppb (16) 0.17 ppb (2) 10.0 μg/m3 (9) 11.0 μg/m3 (46) 46.0
 
Dec. 10, 2019, 6 a.m. 12.6 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) 0.17 ppb (2) 11.0 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
Dec. 10, 2019, 5 a.m. 10.6 ppb (10) 1.3 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (18) 0.16 ppb (2) 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Dec. 10, 2019, 4 a.m. 8.0 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.16 ppb (2) 8.0 μg/m3 (7) 10.0 μg/m3 (42) 42.0
 
Dec. 10, 2019, 3 a.m. 8.9 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 25.0 ppb (19) 0.18 ppb (2) 11.0 μg/m3 (10) 12.0 μg/m3 (50) 50.0
 
Dec. 10, 2019, 2 a.m. 6.4 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 28.0 ppb (22) 0.17 ppb (2) 8.0 μg/m3 (7) 8.0 μg/m3 (33) 33.0
 
Dec. 10, 2019, 1 a.m. 5.6 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 29.0 ppb (22) 0.16 ppb (2) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 22.0
 
Dec. 10, 2019, midnight 4.5 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 32.0 ppb (25) 0.17 ppb (2) 2.0 μg/m3 (2) 4.0 μg/m3 (17) 25.0
 
Dec. 9, 2019, 11 p.m. 4.4 ppb (4) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 33.0 ppb (25) 0.17 ppb (2) 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Dec. 9, 2019, 10 p.m. 3.5 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 33.0 ppb (25) 0.17 ppb (2) 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Dec. 9, 2019, 9 p.m. 3.7 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 33.0 ppb (25) 0.16 ppb (2) 2.0 μg/m3 (2) 7.0 μg/m3 (29) 29.0
 
Dec. 9, 2019, 8 p.m. 3.4 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.16 ppb (2) -1.0 μg/m3 (0) 7.0 μg/m3 (29) 29.0
 
Dec. 9, 2019, 7 p.m. 3.1 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.15 ppb (2) 1.0 μg/m3 (1) 4.0 μg/m3 (17) 23.0
 
Dec. 9, 2019, 6 p.m. 2.9 ppb (3) 1.2 ppb (1) 2.3 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) 0.14 ppb (2) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Dec. 9, 2019, 5 p.m. 3.5 ppb (3) 1.3 ppb (1) 2.9 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) 0.14 ppb (2) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 22.0
 
Dec. 9, 2019, 4 p.m. 3.4 ppb (3) 1.1 ppb (1) 2.9 ppb (3) 3.0 ppb (3) N/A 1.0 ppb (1) 29.0 ppb (22) 0.15 ppb (2) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 22.0
 
Dec. 9, 2019, 3 p.m. 3.7 ppb (3) 1.3 ppb (1) 3.1 ppb (3) 3.0 ppb (3) N/A 1.0 ppb (1) 29.0 ppb (22) 0.15 ppb (2) 4.0 μg/m3 (4) 3.0 μg/m3 (12) 22.0
 
Dec. 9, 2019, 2 p.m. 3.5 ppb (3) 0.7 ppb (1) 3.0 ppb (3) 3.0 ppb (3) N/A 1.0 ppb (1) 29.0 ppb (22) 0.16 ppb (2) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 22.0
 
Dec. 9, 2019, 1 p.m. 3.1 ppb (3) 0.6 ppb (1) 2.6 ppb (2) 3.0 ppb (3) N/A 1.0 ppb (1) 27.0 ppb (21) 0.17 ppb (2) 3.0 μg/m3 (3) 0.0 μg/m3 (0) 21.0
 
Dec. 9, 2019, noon 3.0 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 25.0 ppb (19) 0.17 ppb (2) 0.0 μg/m3 (0) 1.0 μg/m3 (4) 19.0
 
Dec. 9, 2019, 11 a.m. 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 20.0 ppb (15) 0.18 ppb (2) 3.0 μg/m3 (3) 1.0 μg/m3 (4) 15.0
 
Dec. 9, 2019, 10 a.m. 2.4 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 16.0 ppb (12) 0.18 ppb (2) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Dec. 9, 2019, 9 a.m. 3.5 ppb (3) 0.8 ppb (1) 4.3 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 15.0 ppb (12) 0.17 ppb (2) 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Dec. 9, 2019, 8 a.m. 2.7 ppb (3) 0.4 ppb (0) 3.6 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) 17.0 ppb (13) N/A 7.0 μg/m3 (6) 8.0 μg/m3 (33) 33.0
 
Dec. 9, 2019, 7 a.m. 3.5 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 18.0 ppb (14) 0.2 ppb (2) 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
Dec. 9, 2019, 6 a.m. 4.1 ppb (4) 0.5 ppb (0) 5.8 ppb (5) 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.2 ppb (2) 18.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Dec. 9, 2019, 5 a.m. 4.1 ppb (4) 0.6 ppb (1) 5.1 ppb (5) 4.0 ppb (4) N/A 1.0 ppb (1) 20.0 ppb (15) 0.2 ppb (2) 8.0 μg/m3 (7) 11.0 μg/m3 (46) 46.0
 
Dec. 9, 2019, 4 a.m. 6.0 ppb (6) 0.5 ppb (0) 7.5 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (1) 19.0 ppb (15) 0.22 ppb (2) 15.0 μg/m3 (14) 16.0 μg/m3 (59) 59.0
 
Dec. 9, 2019, 3 a.m. 7.4 ppb (7) 0.6 ppb (1) 9.2 ppb (9) 7.0 ppb (6) N/A 1.0 ppb (1) 18.0 ppb (14) 0.25 ppb (3) 13.0 μg/m3 (12) 13.0 μg/m3 (52) 52.0
 
Dec. 9, 2019, 2 a.m. 8.5 ppb (8) 0.7 ppb (1) 10.3 ppb (10) 8.0 ppb (7) N/A 1.0 ppb (1) 17.0 ppb (13) 0.23 ppb (3) 13.0 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
Dec. 9, 2019, 1 a.m. 6.8 ppb (6) 0.3 ppb (0) 8.6 ppb (8) 7.0 ppb (6) N/A 1.0 ppb (1) 19.0 ppb (15) 0.23 ppb (3) 11.0 μg/m3 (10) 13.0 μg/m3 (52) 52.0
 
Dec. 9, 2019, midnight 7.8 ppb (7) 0.3 ppb (0) 9.3 ppb (9) 8.0 ppb (7) N/A 1.0 ppb (1) 18.0 ppb (14) 0.23 ppb (3) 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Dec. 8, 2019, 11 p.m. 4.7 ppb (4) 0.4 ppb (0) 6.4 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (1) 21.0 ppb (16) 0.21 ppb (2) 10.0 μg/m3 (9) 10.0 μg/m3 (42) 42.0
 
Dec. 8, 2019, 10 p.m. 4.1 ppb (4) 0.6 ppb (1) 5.3 ppb (5) 4.0 ppb (4) N/A 1.0 ppb (1) 23.0 ppb (18) 0.24 ppb (3) 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Dec. 8, 2019, 9 p.m. 2.5 ppb (2) 0.6 ppb (1) 3.5 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) 0.22 ppb (2) 8.0 μg/m3 (7) 12.0 μg/m3 (50) 50.0
 
Dec. 8, 2019, 8 p.m. 3.0 ppb (3) 0.8 ppb (1) 4.4 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 25.0 ppb (19) 0.17 ppb (2) 9.0 μg/m3 (8) 12.0 μg/m3 (50) 50.0
 
Dec. 8, 2019, 7 p.m. 3.0 ppb (3) 0.9 ppb (1) 4.4 ppb (4) 2.0 ppb (2) N/A 1.0 ppb (1) 24.0 ppb (18) 0.18 ppb (2) 13.0 μg/m3 (12) 13.0 μg/m3 (52) 52.0
 
Dec. 8, 2019, 6 p.m. 3.0 ppb (3) 0.8 ppb (1) 4.6 ppb (4) 2.0 ppb (2) N/A 1.0 ppb (1) 23.0 ppb (18) 0.3 ppb (3) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Dec. 8, 2019, 5 p.m. 3.7 ppb (3) 0.9 ppb (1) 5.6 ppb (5) 3.0 ppb (3) N/A 1.0 ppb (1) 21.0 ppb (16) 0.18 ppb (2) 18.0 μg/m3 (16) 13.0 μg/m3 (52) 52.0
 
Dec. 8, 2019, 4 p.m. 3.9 ppb (4) 1.2 ppb (1) 5.3 ppb (5) 3.0 ppb (3) N/A 1.0 ppb (1) 20.0 ppb (15) 0.18 ppb (2) 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Dec. 8, 2019, 3 p.m. 3.5 ppb (3) 1.0 ppb (1) 4.7 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 20.0 ppb (15) 0.17 ppb (2) 6.0 μg/m3 (5) 14.0 μg/m3 (54) 54.0
 
Dec. 8, 2019, 2 p.m. 6.9 ppb (6) 1.5 ppb (1) 8.0 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (1) 18.0 ppb (14) 0.18 ppb (2) 6.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
Dec. 8, 2019, 1 p.m. 7.4 ppb (7) 0.5 ppb (0) 8.8 ppb (8) 7.0 ppb (6) N/A 1.0 ppb (1) 15.0 ppb (12) 0.2 ppb (2) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Dec. 8, 2019, noon 7.1 ppb (7) 0.5 ppb (0) 8.0 ppb (7) 7.0 ppb (6) N/A 1.0 ppb (1) 16.0 ppb (12) 0.19 ppb (2) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Dec. 8, 2019, 11 a.m. 6.0 ppb (6) 0.3 ppb (0) 7.2 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (1) 17.0 ppb (13) 0.2 ppb (2) 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Dec. 8, 2019, 10 a.m. 4.7 ppb (4) 0.2 ppb (0) 6.1 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (1) N/A 0.19 ppb (2) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Dec. 8, 2019, 9 a.m. 3.6 ppb (3) 0.3 ppb (0) 4.9 ppb (5) 4.0 ppb (4) N/A 1.0 ppb (1) 22.0 ppb (17) 0.17 ppb (2) 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Dec. 8, 2019, 8 a.m. 4.1 ppb (4) 0.3 ppb (0) 5.3 ppb (5) 4.0 ppb (4) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Dec. 8, 2019, 7 a.m. 4.3 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 22.0 ppb (17) 0.2 ppb (2) 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Dec. 8, 2019, 6 a.m. 4.6 ppb (4) 0.3 ppb (0) 6.0 ppb (6) 4.0 ppb (4) N/A N/A 23.0 ppb (18) 0.2 ppb (2) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 18.0
 
Dec. 8, 2019, 5 a.m. 5.8 ppb (5) 0.4 ppb (0) 7.2 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) 0.2 ppb (2) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Dec. 8, 2019, 4 a.m. 5.5 ppb (5) 0.5 ppb (0) 6.9 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (1) 24.0 ppb (18) 0.21 ppb (2) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Dec. 8, 2019, 3 a.m. 6.3 ppb (6) 0.4 ppb (0) 7.7 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) 0.22 ppb (2) 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Dec. 8, 2019, 2 a.m. 6.6 ppb (6) 0.5 ppb (0) 8.1 ppb (8) 6.0 ppb (6) N/A 1.0 ppb (1) 21.0 ppb (16) 0.22 ppb (2) 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
Dec. 8, 2019, 1 a.m. 6.9 ppb (6) 0.3 ppb (0) 8.5 ppb (8) 7.0 ppb (6) N/A 1.0 ppb (1) 18.0 ppb (14) 0.23 ppb (3) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Dec. 8, 2019, midnight 6.7 ppb (6) 0.3 ppb (0) 8.1 ppb (8) 7.0 ppb (6) N/A 1.0 ppb (1) 18.0 ppb (14) 0.23 ppb (3) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Dec. 7, 2019, 11 p.m. 6.6 ppb (6) 0.4 ppb (0) 8.0 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (1) 18.0 ppb (14) 0.23 ppb (3) 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
Dec. 7, 2019, 10 p.m. 6.5 ppb (6) 0.6 ppb (1) 7.9 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (1) 19.0 ppb (15) 0.22 ppb (2) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Dec. 7, 2019, 9 p.m. 6.0 ppb (6) 1.1 ppb (1) 7.4 ppb (7) 5.0 ppb (5) N/A 1.0 ppb (1) 20.0 ppb (15) 0.22 ppb (2) 14.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Dec. 7, 2019, 8 p.m. 6.7 ppb (6) 1.9 ppb (2) 8.3 ppb (8) 5.0 ppb (5) N/A 1.0 ppb (1) 20.0 ppb (15) 0.22 ppb (2) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Dec. 7, 2019, 7 p.m. 7.5 ppb (7) 2.9 ppb (3) 9.0 ppb (8) 5.0 ppb (5) N/A 1.0 ppb (1) 20.0 ppb (15) 0.22 ppb (2) 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
Dec. 7, 2019, 6 p.m. 9.5 ppb (9) 4.2 ppb (4) 11.1 ppb (10) 6.0 ppb (6) N/A 1.0 ppb (1) 18.0 ppb (14) 0.23 ppb (3) 21.0 μg/m3 (19) 8.0 μg/m3 (33) 33.0
 
Dec. 7, 2019, 5 p.m. 12.1 ppb (11) 6.0 ppb (6) 13.7 ppb (13) 7.0 ppb (6) N/A 1.0 ppb (1) 17.0 ppb (13) 0.24 ppb (3) 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
Dec. 7, 2019, 4 p.m. 13.7 ppb (13) 6.8 ppb (6) 15.0 ppb (14) 7.0 ppb (6) N/A 1.0 ppb (1) 15.0 ppb (12) 0.25 ppb (3) 24.0 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
Dec. 7, 2019, 3 p.m. 18.9 ppb (18) 8.2 ppb (8) 19.8 ppb (18) 11.0 ppb (10) N/A 1.0 ppb (1) 12.0 ppb (9) 0.26 ppb (3) 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
Dec. 7, 2019, 2 p.m. 27.2 ppb (25) 10.1 ppb (9) 27.8 ppb (26) 17.0 ppb (16) N/A 1.0 ppb (1) 7.0 ppb (5) 0.28 ppb (3) 14.0 μg/m3 (13) 8.0 μg/m3 (33) 33.0
 
Dec. 7, 2019, 1 p.m. 36.7 ppb (34) 12.2 ppb (11) 38.1 ppb (35) 25.0 ppb (23) N/A 1.0 ppb (1) 2.0 ppb (2) 0.29 ppb (3) 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Dec. 7, 2019, noon 27.9 ppb (26) 4.2 ppb (4) 31.3 ppb (29) 24.0 ppb (22) N/A 1.0 ppb (1) 2.0 ppb (2) 0.26 ppb (3) 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Dec. 7, 2019, 11 a.m. 20.9 ppb (19) 0.8 ppb (1) 23.3 ppb (22) 20.0 ppb (19) N/A 1.0 ppb (1) 6.0 ppb (5) 0.24 ppb (3) 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Dec. 7, 2019, 10 a.m. 16.3 ppb (15) 0.7 ppb (1) 18.5 ppb (17) 16.0 ppb (15) N/A 1.0 ppb (1) 10.0 ppb (8) 0.26 ppb (3) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Dec. 7, 2019, 9 a.m. 15.4 ppb (14) 0.5 ppb (0) 16.7 ppb (15) 15.0 ppb (14) N/A 1.0 ppb (1) 12.0 ppb (9) 0.24 ppb (3) 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Dec. 7, 2019, 8 a.m. 15.9 ppb (15) 0.5 ppb (0) 17.2 ppb (16) 16.0 ppb (15) N/A 1.0 ppb (1) 12.0 ppb (9) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Dec. 7, 2019, 7 a.m. 14.6 ppb (14) 0.7 ppb (1) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 15.0 ppb (12) 0.24 ppb (3) 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
Dec. 7, 2019, 6 a.m. 13.4 ppb (12) 0.6 ppb (1) 14.7 ppb (14) 13.0 ppb (12) N/A N/A 18.0 ppb (14) 0.23 ppb (3) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Dec. 7, 2019, 5 a.m. 16.3 ppb (15) 0.6 ppb (1) 17.6 ppb (16) 16.0 ppb (15) N/A 1.0 ppb (1) 16.0 ppb (12) 0.26 ppb (3) 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Dec. 7, 2019, 4 a.m. 15.7 ppb (15) 0.6 ppb (1) 17.0 ppb (16) 15.0 ppb (14) N/A 1.0 ppb (1) 16.0 ppb (12) 0.26 ppb (3) 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Dec. 7, 2019, 3 a.m. 14.4 ppb (13) 0.6 ppb (1) 15.6 ppb (14) 14.0 ppb (13) N/A 1.0 ppb (1) 18.0 ppb (14) 0.25 ppb (3) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Dec. 7, 2019, 2 a.m. 17.0 ppb (16) 0.6 ppb (1) 18.3 ppb (17) 17.0 ppb (16) N/A 1.0 ppb (1) 16.0 ppb (12) 0.26 ppb (3) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Dec. 7, 2019, 1 a.m. 26.1 ppb (24) 1.2 ppb (1) 27.6 ppb (26) 25.0 ppb (23) N/A 1.0 ppb (1) 8.0 ppb (6) 0.32 ppb (4) 24.0 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
Dec. 7, 2019, midnight 25.2 ppb (23) 1.7 ppb (2) 26.3 ppb (24) 24.0 ppb (22) N/A 1.0 ppb (1) 9.0 ppb (7) 0.32 ppb (4) 25.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
Dec. 6, 2019, 11 p.m. 20.4 ppb (19) 1.1 ppb (1) 21.6 ppb (20) 20.0 ppb (19) N/A 0.0 ppb (0) 14.0 ppb (11) 0.3 ppb (3) 24.0 μg/m3 (22) 8.0 μg/m3 (33) 33.0
 
Dec. 6, 2019, 10 p.m. 13.9 ppb (13) 1.2 ppb (1) 14.7 ppb (14) 13.0 ppb (12) N/A 0.0 ppb (0) 20.0 ppb (15) 0.24 ppb (3) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Dec. 6, 2019, 9 p.m. 15.1 ppb (14) 3.2 ppb (3) 16.2 ppb (15) 12.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (15) 0.24 ppb (3) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
Dec. 6, 2019, 8 p.m. 9.5 ppb (9) 3.0 ppb (3) 10.1 ppb (9) 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
Dec. 6, 2019, 7 p.m. 8.6 ppb (8) 3.3 ppb (3) 8.9 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 19.0
 
Dec. 6, 2019, 6 p.m. 7.2 ppb (7) 2.9 ppb (3) 7.3 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (19) 0.19 ppb (2) 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Dec. 6, 2019, 5 p.m. 5.3 ppb (5) 2.2 ppb (2) 5.2 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.17 ppb (2) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 19.0
 
Dec. 6, 2019, 4 p.m. 5.2 ppb (5) 2.1 ppb (2) 5.3 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.17 ppb (2) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Dec. 6, 2019, 3 p.m. 6.1 ppb (6) 2.3 ppb (2) 5.8 ppb (5) 4.0 ppb (4) N/A 1.0 ppb (1) 24.0 ppb (18) 0.17 ppb (2) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 18.0
 
Dec. 6, 2019, 2 p.m. 8.7 ppb (8) 2.2 ppb (2) 8.7 ppb (8) 7.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.21 ppb (2) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Dec. 6, 2019, 1 p.m. 8.7 ppb (8) 1.5 ppb (1) 9.1 ppb (8) 8.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (14) 0.24 ppb (3) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Dec. 6, 2019, noon 5.8 ppb (5) 1.0 ppb (1) 5.9 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.17 ppb (2) 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Dec. 6, 2019, 11 a.m. 4.9 ppb (5) 0.8 ppb (1) 4.8 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Dec. 6, 2019, 10 a.m. 3.0 ppb (3) 0.6 ppb (1) 2.7 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.15 ppb (2) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 19.0
 
Dec. 6, 2019, 9 a.m. 1.8 ppb (2) 0.5 ppb (0) 1.6 ppb (1) 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) 0.13 ppb (1) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 22.0
 
Dec. 6, 2019, 8 a.m. 1.6 ppb (1) 0.5 ppb (0) 1.4 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Dec. 6, 2019, 7 a.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) 0.15 ppb (2) 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Dec. 6, 2019, 6 a.m. 2.2 ppb (2) 0.6 ppb (1) 2.0 ppb (2) 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.16 ppb (2) 6.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
Dec. 6, 2019, 5 a.m. 2.2 ppb (2) 0.6 ppb (1) 2.0 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) 0.15 ppb (2) 3.0 μg/m3 (3) 1.0 μg/m3 (4) 25.0
 
Dec. 6, 2019, 4 a.m. 2.8 ppb (3) 0.4 ppb (0) 2.5 ppb (2) 3.0 ppb (3) N/A 1.0 ppb (1) 31.0 ppb (24) 0.16 ppb (2) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 24.0
 
Dec. 6, 2019, 3 a.m. 2.7 ppb (3) 0.5 ppb (0) 2.3 ppb (2) 3.0 ppb (3) N/A 1.0 ppb (1) 30.0 ppb (23) 0.16 ppb (2) 6.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Dec. 6, 2019, 2 a.m. 2.8 ppb (3) 0.6 ppb (1) 2.7 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) 30.0 ppb (23) 0.17 ppb (2) 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Dec. 6, 2019, 1 a.m. 5.6 ppb (5) 0.6 ppb (1) 6.8 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (1) 28.0 ppb (22) 0.19 ppb (2) 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Dec. 6, 2019, midnight 15.0 ppb (14) 0.7 ppb (1) 18.0 ppb (17) 15.0 ppb (14) N/A 1.0 ppb (1) 19.0 ppb (15) 0.25 ppb (3) 24.0 μg/m3 (22) 19.0 μg/m3 (65) 65.0
 
Dec. 5, 2019, 11 p.m. 18.3 ppb (17) 1.0 ppb (1) 21.1 ppb (20) 18.0 ppb (17) N/A 1.0 ppb (1) 15.0 ppb (12) 0.28 ppb (3) 16.0 μg/m3 (15) 17.0 μg/m3 (61) 61.0
 
Dec. 5, 2019, 10 p.m. 14.7 ppb (14) 1.1 ppb (1) 17.1 ppb (16) 14.0 ppb (13) N/A 1.0 ppb (1) 20.0 ppb (15) 0.26 ppb (3) 16.0 μg/m3 (15) 15.0 μg/m3 (56) 56.0
 
Dec. 5, 2019, 9 p.m. 15.9 ppb (15) 3.0 ppb (3) 17.9 ppb (17) 13.0 ppb (12) N/A 1.0 ppb (1) 22.0 ppb (17) 0.25 ppb (3) 16.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
Dec. 5, 2019, 8 p.m. 22.1 ppb (20) 7.5 ppb (7) 24.4 ppb (23) 15.0 ppb (14) N/A 1.0 ppb (1) 20.0 ppb (15) 0.28 ppb (3) 20.0 μg/m3 (18) 13.0 μg/m3 (52) 52.0
 
Dec. 5, 2019, 7 p.m. 29.1 ppb (27) 11.6 ppb (11) 31.6 ppb (29) 18.0 ppb (17) N/A 1.0 ppb (1) 17.0 ppb (13) 0.3 ppb (3) 23.0 μg/m3 (21) 16.0 μg/m3 (59) 59.0
 
Dec. 5, 2019, 6 p.m. 24.8 ppb (23) 10.4 ppb (10) 26.8 ppb (25) 15.0 ppb (14) N/A 1.0 ppb (1) 21.0 ppb (16) 0.26 ppb (3) 23.0 μg/m3 (21) 13.0 μg/m3 (52) 52.0
 
Dec. 5, 2019, 5 p.m. 23.5 ppb (22) 9.3 ppb (9) 25.4 ppb (24) 15.0 ppb (14) N/A 1.0 ppb (1) 20.0 ppb (15) 0.24 ppb (3) 19.0 μg/m3 (17) 14.0 μg/m3 (54) 54.0
 
Dec. 5, 2019, 4 p.m. 27.7 ppb (26) 11.1 ppb (10) 29.7 ppb (28) 17.0 ppb (16) N/A 1.0 ppb (1) 17.0 ppb (13) 0.28 ppb (3) 14.0 μg/m3 (13) 12.0 μg/m3 (50) 50.0
 
Dec. 5, 2019, 3 p.m. 32.0 ppb (30) 11.6 ppb (11) 33.7 ppb (31) 21.0 ppb (19) N/A 1.0 ppb (1) 13.0 ppb (10) 0.28 ppb (3) 22.0 μg/m3 (20) 15.0 μg/m3 (56) 56.0
 
Dec. 5, 2019, 2 p.m. 34.4 ppb (32) 9.4 ppb (9) 35.9 ppb (33) 25.0 ppb (23) N/A 1.0 ppb (1) 8.0 ppb (6) 0.3 ppb (3) 17.0 μg/m3 (15) 15.0 μg/m3 (56) 56.0
 
Dec. 5, 2019, 1 p.m. 45.8 ppb (42) 16.2 ppb (15) 49.0 ppb (45) 30.0 ppb (28) N/A 1.0 ppb (1) 2.0 ppb (2) 0.34 ppb (4) 21.0 μg/m3 (19) 18.0 μg/m3 (63) 63.0
 
Dec. 5, 2019, noon 58.8 ppb (55) 28.6 ppb (26) 59.4 ppb (56) 31.0 ppb (29) N/A 1.0 ppb (1) 1.0 ppb (1) 0.37 ppb (4) 17.0 μg/m3 (15) 19.0 μg/m3 (65) 65.0
 
Dec. 5, 2019, 11 a.m. 63.6 ppb (60) 33.6 ppb (31) 63.7 ppb (60) 30.0 ppb (28) N/A 1.0 ppb (1) 1.0 ppb (1) 0.41 ppb (5) 16.0 μg/m3 (15) 14.0 μg/m3 (54) 60.0
 
Dec. 5, 2019, 10 a.m. 64.5 ppb (61) 34.1 ppb (32) 63.7 ppb (60) 31.0 ppb (29) N/A 1.0 ppb (1) 1.0 ppb (1) 0.42 ppb (5) 13.0 μg/m3 (12) 17.0 μg/m3 (61) 61.0
 
Dec. 5, 2019, 9 a.m. 75.0 ppb (72) 45.4 ppb (42) 78.7 ppb (76) 30.0 ppb (28) N/A 1.0 ppb (1) 1.0 ppb (1) 0.44 ppb (5) 19.0 μg/m3 (17) 15.0 μg/m3 (56) 76.0
 
Dec. 5, 2019, 8 a.m. 61.9 ppb (58) 38.2 ppb (35) 68.7 ppb (66) 24.0 ppb (22) N/A 1.0 ppb (1) 1.0 ppb (1) N/A 10.0 μg/m3 (9) 21.0 μg/m3 (69) 69.0