AQSQID: 270031002

Site Name: Blaine

Location: Blaine (Airport Rd Neast), MN

Reporting: False, Located: True

Current AQI: None

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
Jan. 17, 2020, 4 p.m. 8.3 ppb (8) 1.9 ppb (2) 8.5 ppb (8) 7.0 ppb (6) N/A 1.0 ppb (1) 25.0 ppb (19) 0.25 ppb (3) N/A N/A 19.0
 
Jan. 17, 2020, 3 p.m. 7.7 ppb (7) 1.3 ppb (1) 8.2 ppb (8) 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.24 ppb (3) 11.0 μg/m3 (10) 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2020, 2 p.m. 7.6 ppb (7) 0.9 ppb (1) 8.1 ppb (8) 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.24 ppb (3) 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2020, 1 p.m. 7.5 ppb (7) 0.6 ppb (1) 8.0 ppb (7) 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.24 ppb (3) 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, noon 8.7 ppb (8) 0.4 ppb (0) 9.3 ppb (9) 9.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (16) 0.24 ppb (3) 4.0 μg/m3 (4) 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2020, 11 a.m. 6.1 ppb (6) 0.5 ppb (0) 6.9 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.22 ppb (2) 3.0 μg/m3 (3) 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2020, 10 a.m. 6.5 ppb (6) 0.5 ppb (0) 7.4 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.21 ppb (2) 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2020, 9 a.m. 9.2 ppb (9) 0.6 ppb (1) 10.0 ppb (9) 9.0 ppb (8) N/A 0.0 ppb (0) 20.0 ppb (15) 0.21 ppb (2) 9.0 μg/m3 (8) 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2020, 8 a.m. 19.3 ppb (18) 0.9 ppb (1) 19.3 ppb (18) 19.0 ppb (18) N/A 0.0 ppb (0) 10.0 ppb (8) N/A 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2020, 7 a.m. 29.0 ppb (27) 3.0 ppb (3) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 3.0 ppb (2) 0.33 ppb (4) 19.0 μg/m3 (17) 16.0 μg/m3 (59) 59.0
 
Jan. 17, 2020, 6 a.m. 32.8 ppb (30) 4.2 ppb (4) 32.7 ppb (30) 29.0 ppb (27) N/A N/A 1.0 ppb (1) 0.36 ppb (4) 19.0 μg/m3 (17) 17.0 μg/m3 (61) 61.0
 
Jan. 17, 2020, 5 a.m. 26.7 ppb (25) 1.8 ppb (2) 27.2 ppb (25) 25.0 ppb (23) N/A 0.0 ppb (0) 5.0 ppb (4) 0.34 ppb (4) 16.0 μg/m3 (15) 15.0 μg/m3 (56) 56.0
 
Jan. 17, 2020, 4 a.m. 17.6 ppb (16) 0.8 ppb (1) 18.3 ppb (17) 17.0 ppb (16) N/A 0.0 ppb (0) 13.0 ppb (10) 0.31 ppb (3) 14.0 μg/m3 (13) 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2020, 3 a.m. 33.3 ppb (31) 5.9 ppb (5) 29.1 ppb (27) 28.0 ppb (26) N/A 0.0 ppb (0) 5.0 ppb (4) 0.41 ppb (5) 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2020, 2 a.m. 41.1 ppb (38) 10.3 ppb (10) 42.5 ppb (39) 31.0 ppb (29) N/A 0.0 ppb (0) 1.0 ppb (1) 0.44 ppb (5) 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2020, 1 a.m. 36.2 ppb (34) 7.4 ppb (7) 34.3 ppb (32) 29.0 ppb (27) N/A 0.0 ppb (0) 2.0 ppb (2) 0.48 ppb (5) 34.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2020, midnight 29.3 ppb (27) 3.2 ppb (3) 29.7 ppb (28) 27.0 ppb (25) N/A 0.0 ppb (0) 5.0 ppb (4) 0.38 ppb (4) 30.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2020, 11 p.m. 18.7 ppb (17) 1.5 ppb (1) 19.5 ppb (18) 18.0 ppb (17) N/A 0.0 ppb (0) 13.0 ppb (10) 0.34 ppb (4) 41.0 μg/m3 (37) 12.0 μg/m3 (50) 50.0
 
Jan. 16, 2020, 10 p.m. 10.6 ppb (10) 1.8 ppb (2) 11.2 ppb (10) 9.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (17) 0.24 ppb (3) 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2020, 9 p.m. 9.4 ppb (9) 3.1 ppb (3) 10.0 ppb (9) 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2020, 8 p.m. 8.9 ppb (8) 3.6 ppb (3) 9.5 ppb (9) 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.21 ppb (2) 21.0 μg/m3 (19) 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2020, 7 p.m. 7.5 ppb (7) 3.3 ppb (3) 7.9 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2020, 6 p.m. 6.8 ppb (6) 3.2 ppb (3) 7.0 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.19 ppb (2) 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2020, 5 p.m. 6.5 ppb (6) 3.1 ppb (3) 6.8 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.17 ppb (2) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2020, 4 p.m. 8.1 ppb (8) 3.9 ppb (4) 8.3 ppb (8) 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (19) 0.17 ppb (2) 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2020, 3 p.m. 10.9 ppb (10) 4.6 ppb (4) 11.1 ppb (10) 7.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.22 ppb (2) 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2020, 2 p.m. 15.5 ppb (14) 4.1 ppb (4) 15.4 ppb (14) 12.0 ppb (11) N/A 0.0 ppb (0) 18.0 ppb (14) 0.22 ppb (2) 11.0 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2020, 1 p.m. 13.9 ppb (13) 1.8 ppb (2) 14.2 ppb (13) 12.0 ppb (11) N/A 0.0 ppb (0) 17.0 ppb (13) 0.22 ppb (2) 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2020, noon 11.4 ppb (11) 1.4 ppb (1) 11.9 ppb (11) 10.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2020, 11 a.m. 8.0 ppb (7) 1.1 ppb (1) 8.3 ppb (8) 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2020, 10 a.m. 6.0 ppb (6) 1.0 ppb (1) 6.4 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.15 ppb (2) 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2020, 9 a.m. 5.7 ppb (5) 1.1 ppb (1) 6.0 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2020, 8 a.m. 5.2 ppb (5) 0.7 ppb (1) 5.8 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2020, 7 a.m. 4.8 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) 0.14 ppb (2) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2020, 6 a.m. 4.0 ppb (4) 0.6 ppb (1) 4.6 ppb (4) 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.14 ppb (2) 5.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2020, 5 a.m. 4.4 ppb (4) 1.0 ppb (1) 4.6 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.14 ppb (2) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2020, 4 a.m. 4.8 ppb (4) 1.1 ppb (1) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2020, 3 a.m. 5.6 ppb (5) 0.9 ppb (1) 5.8 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (19) 0.17 ppb (2) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 19.0
 
Jan. 16, 2020, 2 a.m. 7.5 ppb (7) 0.9 ppb (1) 7.8 ppb (7) 7.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.19 ppb (2) 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2020, 1 a.m. 8.5 ppb (8) 0.8 ppb (1) 9.2 ppb (9) 8.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (17) 0.19 ppb (2) 7.0 μg/m3 (6) 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2020, midnight 8.3 ppb (8) 1.0 ppb (1) 9.0 ppb (8) 8.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2020, 11 p.m. 7.7 ppb (7) 0.9 ppb (1) 8.5 ppb (8) 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.21 ppb (2) 14.0 μg/m3 (13) 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2020, 10 p.m. 8.1 ppb (8) 1.4 ppb (1) 9.1 ppb (8) 7.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) 0.24 ppb (3) 17.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2020, 9 p.m. 8.8 ppb (8) 2.4 ppb (2) 9.8 ppb (9) 7.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) 0.25 ppb (3) 17.0 μg/m3 (15) 18.0 μg/m3 (63) 63.0
 
Jan. 15, 2020, 8 p.m. 9.3 ppb (9) 3.1 ppb (3) 10.1 ppb (9) 7.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) 0.26 ppb (3) 21.0 μg/m3 (19) 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2020, 7 p.m. 8.9 ppb (8) 3.2 ppb (3) 9.7 ppb (9) 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.25 ppb (3) N/A N/A 17.0
 
Jan. 15, 2020, 6 p.m. 6.8 ppb (6) 2.3 ppb (2) 7.6 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (18) 0.24 ppb (3) 15.0 μg/m3 (14) 16.0 μg/m3 (59) 59.0
 
Jan. 15, 2020, 5 p.m. 7.8 ppb (7) 3.1 ppb (3) 8.6 ppb (8) 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (16) 0.24 ppb (3) 17.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2020, 4 p.m. 9.6 ppb (9) 2.9 ppb (3) 10.5 ppb (10) 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.26 ppb (3) 14.0 μg/m3 (13) 19.0 μg/m3 (65) 65.0
 
Jan. 15, 2020, 3 p.m. 8.8 ppb (8) 1.7 ppb (2) 9.8 ppb (9) 7.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.25 ppb (3) 14.0 μg/m3 (13) 19.0 μg/m3 (65) 65.0
 
Jan. 15, 2020, 2 p.m. 19.4 ppb (18) 8.3 ppb (8) 13.8 ppb (13) 11.0 ppb (10) N/A 1.0 ppb (1) 15.0 ppb (12) 0.26 ppb (3) 11.0 μg/m3 (10) 15.0 μg/m3 (56) 56.0
 
Jan. 15, 2020, 1 p.m. 16.5 ppb (15) 7.0 ppb (6) 14.1 ppb (13) 10.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (12) 0.24 ppb (3) 15.0 μg/m3 (14) 16.0 μg/m3 (59) 59.0
 
Jan. 15, 2020, noon 9.6 ppb (9) 1.2 ppb (1) 10.1 ppb (9) 9.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (12) 0.23 ppb (3) 10.0 μg/m3 (9) 17.0 μg/m3 (61) 61.0
 
Jan. 15, 2020, 11 a.m. 7.6 ppb (7) 0.7 ppb (1) 8.3 ppb (8) 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.23 ppb (3) 9.0 μg/m3 (8) 17.0 μg/m3 (61) 61.0
 
Jan. 15, 2020, 10 a.m. 5.8 ppb (5) 0.9 ppb (1) 6.8 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.21 ppb (2) 15.0 μg/m3 (14) 13.0 μg/m3 (52) 52.0
 
Jan. 15, 2020, 9 a.m. 9.6 ppb (9) 1.5 ppb (1) 10.4 ppb (10) 8.0 ppb (7) N/A 0.0 ppb (0) 16.0 ppb (12) 0.2 ppb (2) 15.0 μg/m3 (14) 17.0 μg/m3 (61) 61.0
 
Jan. 15, 2020, 8 a.m. 10.0 ppb (9) 1.3 ppb (1) 11.0 ppb (10) 9.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 15.0 μg/m3 (14) 17.0 μg/m3 (61) 61.0
 
Jan. 15, 2020, 7 a.m. 7.4 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 18.0 ppb (14) 0.22 ppb (2) 13.0 μg/m3 (12) 16.0 μg/m3 (59) 59.0
 
Jan. 15, 2020, 6 a.m. 7.5 ppb (7) 0.8 ppb (1) 9.0 ppb (8) 7.0 ppb (6) N/A N/A 19.0 ppb (15) 0.21 ppb (2) 16.0 μg/m3 (15) 15.0 μg/m3 (56) 56.0
 
Jan. 15, 2020, 5 a.m. 7.9 ppb (7) 0.9 ppb (1) 8.8 ppb (8) 7.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.21 ppb (2) 14.0 μg/m3 (13) 13.0 μg/m3 (52) 52.0
 
Jan. 15, 2020, 4 a.m. 8.5 ppb (8) 0.8 ppb (1) 9.1 ppb (8) 8.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (15) 0.22 ppb (2) 13.0 μg/m3 (12) 16.0 μg/m3 (59) 59.0
 
Jan. 15, 2020, 3 a.m. N/A N/A 14.3 ppb (13) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.25 ppb (3) 15.0 μg/m3 (14) 13.0 μg/m3 (52) 52.0
 
Jan. 15, 2020, 2 a.m. N/A N/A 19.6 ppb (18) N/A N/A 0.0 ppb (0) 9.0 ppb (7) 0.3 ppb (3) 16.0 μg/m3 (15) 16.0 μg/m3 (59) 59.0
 
Jan. 15, 2020, 1 a.m. N/A N/A 19.4 ppb (18) N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.31 ppb (3) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2020, midnight 24.0 ppb (22) 2.8 ppb (3) 22.0 ppb (20) 22.0 ppb (20) N/A 0.0 ppb (0) 7.0 ppb (5) 0.34 ppb (4) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2020, 11 p.m. 18.8 ppb (17) 2.0 ppb (2) 17.4 ppb (16) 17.0 ppb (16) N/A 0.0 ppb (0) 12.0 ppb (9) 0.32 ppb (4) 14.0 μg/m3 (13) 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2020, 10 p.m. 10.2 ppb (9) 1.5 ppb (1) 11.0 ppb (10) 9.0 ppb (8) N/A 0.0 ppb (0) 20.0 ppb (15) 0.24 ppb (3) 17.0 μg/m3 (15) 14.0 μg/m3 (54) 54.0
 
Jan. 14, 2020, 9 p.m. 6.1 ppb (6) 1.8 ppb (2) 7.1 ppb (7) 5.0 ppb (5) N/A 1.0 ppb (1) 26.0 ppb (20) 0.2 ppb (2) 9.0 μg/m3 (8) 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2020, 8 p.m. 6.4 ppb (6) 2.3 ppb (2) 7.1 ppb (7) 4.0 ppb (4) N/A 1.0 ppb (1) 26.0 ppb (20) 0.2 ppb (2) 8.0 μg/m3 (7) 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2020, 7 p.m. 6.5 ppb (6) 2.4 ppb (2) 6.8 ppb (6) 4.0 ppb (4) N/A 1.0 ppb (1) 25.0 ppb (19) 0.19 ppb (2) 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2020, 6 p.m. 5.9 ppb (5) 1.9 ppb (2) 6.4 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 8.0 μg/m3 (7) 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2020, 5 p.m. 5.6 ppb (5) 1.6 ppb (1) 6.0 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 7.0 μg/m3 (6) 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2020, 4 p.m. 6.3 ppb (6) 1.8 ppb (2) 6.9 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (1) 21.0 ppb (16) 0.2 ppb (2) 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2020, 3 p.m. 5.8 ppb (5) 1.4 ppb (1) 5.6 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.21 ppb (2) 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2020, 2 p.m. 7.1 ppb (7) 1.1 ppb (1) 6.9 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.24 ppb (3) 5.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2020, 1 p.m. 17.5 ppb (16) 2.8 ppb (3) 15.2 ppb (14) 15.0 ppb (14) N/A 1.0 ppb (1) 8.0 ppb (6) 0.29 ppb (3) 8.0 μg/m3 (7) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2020, noon 36.3 ppb (34) 13.9 ppb (13) 31.0 ppb (29) 23.0 ppb (21) N/A 1.0 ppb (1) 1.0 ppb (1) 0.33 ppb (4) 13.0 μg/m3 (12) 13.0 μg/m3 (52) 52.0
 
Jan. 14, 2020, 11 a.m. 23.3 ppb (22) 4.6 ppb (4) 20.2 ppb (19) 19.0 ppb (18) N/A 1.0 ppb (1) 3.0 ppb (2) 0.28 ppb (3) 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2020, 10 a.m. 14.0 ppb (13) 0.9 ppb (1) 12.2 ppb (11) 13.0 ppb (12) N/A 0.0 ppb (0) 8.0 ppb (6) 0.25 ppb (3) 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2020, 9 a.m. 10.6 ppb (10) 1.0 ppb (1) 9.1 ppb (8) 10.0 ppb (9) N/A 0.0 ppb (0) 12.0 ppb (9) 0.21 ppb (2) 7.0 μg/m3 (6) 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2020, 8 a.m. 7.5 ppb (7) 0.3 ppb (0) 6.9 ppb (6) 7.0 ppb (6) N/A 1.0 ppb (1) 15.0 ppb (12) N/A 8.0 μg/m3 (7) 13.0 μg/m3 (52) 52.0
 
Jan. 14, 2020, 7 a.m. 6.3 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 18.0 ppb (14) 0.22 ppb (2) 7.0 μg/m3 (6) 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2020, 6 a.m. 8.6 ppb (8) 0.3 ppb (0) 8.5 ppb (8) 8.0 ppb (7) N/A N/A 16.0 ppb (12) 0.23 ppb (3) 10.0 μg/m3 (9) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2020, 5 a.m. 8.2 ppb (8) 0.5 ppb (0) 8.0 ppb (7) 8.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (13) 0.24 ppb (3) 9.0 μg/m3 (8) 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2020, 4 a.m. 7.9 ppb (7) 0.4 ppb (0) 7.8 ppb (7) 8.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (13) 0.24 ppb (3) 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2020, 3 a.m. 5.8 ppb (5) 0.4 ppb (0) 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.23 ppb (3) 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2020, 2 a.m. 3.6 ppb (3) 0.5 ppb (0) 4.1 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) 0.22 ppb (2) 6.0 μg/m3 (5) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2020, 1 a.m. 3.9 ppb (4) 0.5 ppb (0) 4.3 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) 0.22 ppb (2) 8.0 μg/m3 (7) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2020, midnight 4.6 ppb (4) 0.4 ppb (0) 5.1 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) 0.22 ppb (2) 8.0 μg/m3 (7) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2020, 11 p.m. 4.5 ppb (4) 0.2 ppb (0) 5.0 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (18) 0.23 ppb (3) 6.0 μg/m3 (5) 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2020, 10 p.m. 5.1 ppb (5) 0.7 ppb (1) 5.4 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (18) 0.23 ppb (3) 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2020, 9 p.m. 6.2 ppb (6) 1.2 ppb (1) 6.4 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (18) 0.23 ppb (3) 7.0 μg/m3 (6) 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2020, 8 p.m. 8.4 ppb (8) 2.2 ppb (2) 8.5 ppb (8) 7.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.23 ppb (3) 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2020, 7 p.m. 7.8 ppb (7) 2.5 ppb (2) 8.1 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.22 ppb (2) 8.0 μg/m3 (7) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2020, 6 p.m. 8.0 ppb (7) 3.1 ppb (3) 8.1 ppb (8) 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.23 ppb (3) 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2020, 5 p.m. 19.7 ppb (18) 8.2 ppb (8) 18.6 ppb (17) 12.0 ppb (11) N/A 1.0 ppb (1) 18.0 ppb (14) 0.29 ppb (3) 11.0 μg/m3 (10) 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2020, 4 p.m. 33.3 ppb (31) 15.9 ppb (15) 30.8 ppb (29) 18.0 ppb (17) N/A 1.0 ppb (1) 14.0 ppb (11) 0.34 ppb (4) 13.0 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2020, 3 p.m. 36.5 ppb (34) 15.5 ppb (14) 33.5 ppb (31) 21.0 ppb (19) N/A 1.0 ppb (1) 10.0 ppb (8) 0.36 ppb (4) 16.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
Jan. 13, 2020, 2 p.m. 30.9 ppb (29) 7.9 ppb (7) 28.3 ppb (26) 23.0 ppb (21) N/A 0.0 ppb (0) 8.0 ppb (6) 0.33 ppb (4) 11.0 μg/m3 (10) 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2020, 1 p.m. 52.0 ppb (48) 21.2 ppb (20) 37.4 ppb (35) 31.0 ppb (29) N/A 1.0 ppb (1) 2.0 ppb (2) 0.38 ppb (4) 10.0 μg/m3 (9) 15.0 μg/m3 (56) 56.0
 
Jan. 13, 2020, noon 64.2 ppb (61) 33.8 ppb (31) 51.1 ppb (47) 31.0 ppb (29) N/A 1.0 ppb (1) 1.0 ppb (1) 0.37 ppb (4) 13.0 μg/m3 (12) 12.0 μg/m3 (50) 61.0
 
Jan. 13, 2020, 11 a.m. 66.7 ppb (64) 34.9 ppb (32) 69.4 ppb (66) 32.0 ppb (30) N/A 1.0 ppb (1) 1.0 ppb (1) 0.36 ppb (4) 12.0 μg/m3 (11) 12.0 μg/m3 (50) 66.0
 
Jan. 13, 2020, 10 a.m. 65.9 ppb (63) 33.1 ppb (31) 47.2 ppb (44) 33.0 ppb (31) N/A 1.0 ppb (1) 1.0 ppb (1) 0.33 ppb (4) 12.0 μg/m3 (11) 10.0 μg/m3 (42) 63.0
 
Jan. 13, 2020, 9 a.m. 37.1 ppb (34) 13.0 ppb (12) 23.5 ppb (22) 25.0 ppb (23) N/A 0.0 ppb (0) 8.0 ppb (6) 0.25 ppb (3) 6.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2020, 8 a.m. 27.6 ppb (26) 5.6 ppb (5) 21.0 ppb (19) 22.0 ppb (20) N/A 0.0 ppb (0) 11.0 ppb (8) N/A 6.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Jan. 13, 2020, 7 a.m. 11.5 ppb (11) 1.6 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 22.0 ppb (17) 0.24 ppb (3) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2020, 6 a.m. 3.9 ppb (4) 0.3 ppb (0) 4.0 ppb (4) 4.0 ppb (4) N/A N/A 28.0 ppb (22) 0.23 ppb (3) 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2020, 5 a.m. 4.0 ppb (4) 0.3 ppb (0) 4.1 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.24 ppb (3) 3.0 μg/m3 (3) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2020, 4 a.m. 4.4 ppb (4) 0.4 ppb (0) 4.4 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.24 ppb (3) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2020, 3 a.m. 5.2 ppb (5) 0.5 ppb (0) 5.1 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.24 ppb (3) 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2020, 2 a.m. 6.2 ppb (6) 0.6 ppb (1) 5.9 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.24 ppb (3) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 21.0
 
Jan. 13, 2020, 1 a.m. 4.7 ppb (4) 0.5 ppb (0) 4.6 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.24 ppb (3) 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2020, midnight 3.2 ppb (3) 0.4 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.24 ppb (3) 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2020, 11 p.m. 2.4 ppb (2) 0.4 ppb (0) 2.8 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.22 ppb (2) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2020, 10 p.m. 2.7 ppb (3) 0.5 ppb (0) 2.9 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.24 ppb (3) 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
Jan. 12, 2020, 9 p.m. 3.8 ppb (4) 0.9 ppb (1) 3.8 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 32.0 ppb (25) 0.23 ppb (3) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 25.0
 
Jan. 12, 2020, 8 p.m. 5.5 ppb (5) 1.3 ppb (1) 5.4 ppb (5) 4.0 ppb (4) N/A 1.0 ppb (1) 31.0 ppb (24) 0.23 ppb (3) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 24.0
 
Jan. 12, 2020, 7 p.m. 6.0 ppb (6) 1.6 ppb (1) 5.7 ppb (5) 5.0 ppb (5) N/A 1.0 ppb (1) 31.0 ppb (24) 0.23 ppb (3) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 24.0
 
Jan. 12, 2020, 6 p.m. 6.3 ppb (6) 1.7 ppb (2) 6.0 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (24) 0.23 ppb (3) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 24.0
 
Jan. 12, 2020, 5 p.m. 5.5 ppb (5) 1.5 ppb (1) 5.3 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) 0.23 ppb (3) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 24.0
 
Jan. 12, 2020, 4 p.m. 6.4 ppb (6) 1.8 ppb (2) 6.0 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.23 ppb (3) 3.0 μg/m3 (3) 3.0 μg/m3 (12) 23.0
 
Jan. 12, 2020, 3 p.m. 7.0 ppb (6) 1.4 ppb (1) 6.6 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.24 ppb (3) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 22.0
 
Jan. 12, 2020, 2 p.m. 10.2 ppb (9) 1.3 ppb (1) 9.2 ppb (9) 9.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (18) 0.25 ppb (3) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 18.0
 
Jan. 12, 2020, 1 p.m. 9.9 ppb (9) 0.5 ppb (0) 9.1 ppb (8) 10.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (18) 0.23 ppb (3) 3.0 μg/m3 (3) 1.0 μg/m3 (4) 18.0
 
Jan. 12, 2020, noon 11.3 ppb (10) 1.0 ppb (1) 9.7 ppb (9) 11.0 ppb (10) N/A 0.0 ppb (0) 23.0 ppb (18) 0.23 ppb (3) 2.0 μg/m3 (2) 3.0 μg/m3 (12) 18.0
 
Jan. 12, 2020, 11 a.m. 7.4 ppb (7) 0.5 ppb (0) 6.9 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.22 ppb (2) 4.0 μg/m3 (4) 3.0 μg/m3 (12) 20.0
 
Jan. 12, 2020, 10 a.m. 11.2 ppb (10) 0.8 ppb (1) 9.6 ppb (9) 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.23 ppb (3) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 12, 2020, 9 a.m. 8.8 ppb (8) 0.6 ppb (1) 8.6 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) 4.0 μg/m3 (4) 3.0 μg/m3 (12) 19.0
 
Jan. 12, 2020, 8 a.m. 4.1 ppb (4) 0.2 ppb (0) 4.8 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 0.0 μg/m3 (0) 2.0 μg/m3 (8) 23.0
 
Jan. 12, 2020, 7 a.m. 6.2 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 30.0 ppb (23) 0.23 ppb (3) 2.0 μg/m3 (2) 4.0 μg/m3 (17) 23.0
 
Jan. 12, 2020, 6 a.m. 4.5 ppb (4) 0.6 ppb (1) 4.4 ppb (4) 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.23 ppb (3) 4.0 μg/m3 (4) 5.0 μg/m3 (21) 24.0
 
Jan. 12, 2020, 5 a.m. 6.5 ppb (6) 1.3 ppb (1) 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.24 ppb (3) 3.0 μg/m3 (3) 4.0 μg/m3 (17) 23.0
 
Jan. 12, 2020, 4 a.m. 6.8 ppb (6) 1.3 ppb (1) 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.24 ppb (3) 1.0 μg/m3 (1) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2020, 3 a.m. 4.8 ppb (4) 1.0 ppb (1) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) 0.23 ppb (3) 2.0 μg/m3 (2) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2020, 2 a.m. 5.7 ppb (5) 1.7 ppb (2) 4.2 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) 0.23 ppb (3) 3.0 μg/m3 (3) 4.0 μg/m3 (17) 25.0
 
Jan. 12, 2020, 1 a.m. 6.9 ppb (6) 1.8 ppb (2) 5.1 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) 0.24 ppb (3) 4.0 μg/m3 (4) 5.0 μg/m3 (21) 25.0
 
Jan. 12, 2020, midnight 17.8 ppb (16) 2.3 ppb (2) 15.7 ppb (15) 16.0 ppb (15) N/A 0.0 ppb (0) 22.0 ppb (17) 0.31 ppb (3) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2020, 11 p.m. 11.1 ppb (10) 0.8 ppb (1) 10.1 ppb (9) 11.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (20) 0.28 ppb (3) 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2020, 10 p.m. 4.2 ppb (4) 0.7 ppb (1) 4.6 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) 0.23 ppb (3) 3.0 μg/m3 (3) 3.0 μg/m3 (12) 25.0
 
Jan. 11, 2020, 9 p.m. 2.4 ppb (2) 0.9 ppb (1) 2.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.21 ppb (2) 1.0 μg/m3 (1) 2.0 μg/m3 (8) 27.0
 
Jan. 11, 2020, 8 p.m. 2.7 ppb (3) 1.1 ppb (1) 2.5 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.21 ppb (2) 3.0 μg/m3 (3) 3.0 μg/m3 (12) 27.0
 
Jan. 11, 2020, 7 p.m. 2.9 ppb (3) 1.3 ppb (1) 2.8 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 26.0
 
Jan. 11, 2020, 6 p.m. 2.9 ppb (3) 1.2 ppb (1) 2.9 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 25.0
 
Jan. 11, 2020, 5 p.m. 2.5 ppb (2) 1.1 ppb (1) 2.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.19 ppb (2) 1.0 μg/m3 (1) 4.0 μg/m3 (17) 25.0
 
Jan. 11, 2020, 4 p.m. 3.9 ppb (4) 1.7 ppb (2) 4.2 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) 3.0 μg/m3 (3) 4.0 μg/m3 (17) 24.0
 
Jan. 11, 2020, 3 p.m. 5.0 ppb (5) 1.6 ppb (1) 5.4 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 22.0
 
Jan. 11, 2020, 2 p.m. 6.4 ppb (6) 1.6 ppb (1) 6.2 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.18 ppb (2) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 21.0
 
Jan. 11, 2020, 1 p.m. 6.0 ppb (6) 1.4 ppb (1) 5.8 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.17 ppb (2) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 21.0
 
Jan. 11, 2020, noon 4.8 ppb (4) 1.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) 3.0 μg/m3 (3) 2.0 μg/m3 (8) 22.0
 
Jan. 11, 2020, 11 a.m. 3.8 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.16 ppb (2) 3.0 μg/m3 (3) 2.0 μg/m3 (8) 22.0
 
Jan. 11, 2020, 10 a.m. 3.2 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.14 ppb (2) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 23.0
 
Jan. 11, 2020, 9 a.m. 2.3 ppb (2) 0.6 ppb (1) 2.6 ppb (2) 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 24.0
 
Jan. 11, 2020, 8 a.m. 2.0 ppb (2) 0.7 ppb (1) 2.4 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 24.0
 
Jan. 11, 2020, 7 a.m. 2.3 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) 0.15 ppb (2) 2.0 μg/m3 (2) 3.0 μg/m3 (12) 24.0
 
Jan. 11, 2020, 6 a.m. 1.8 ppb (2) 0.7 ppb (1) 2.1 ppb (2) 1.0 ppb (1) N/A N/A 31.0 ppb (24) 0.15 ppb (2) 3.0 μg/m3 (3) 4.0 μg/m3 (17) 24.0
 
Jan. 11, 2020, 5 a.m. 1.9 ppb (2) 0.7 ppb (1) 2.3 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.15 ppb (2) 3.0 μg/m3 (3) 3.0 μg/m3 (12) 25.0
 
Jan. 11, 2020, 4 a.m. 2.7 ppb (3) 1.0 ppb (1) 2.6 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.16 ppb (2) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 24.0
 
Jan. 11, 2020, 3 a.m. 2.8 ppb (3) 0.8 ppb (1) 2.9 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.17 ppb (2) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 23.0
 
Jan. 11, 2020, 2 a.m. 2.8 ppb (3) 0.8 ppb (1) 3.0 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.16 ppb (2) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 23.0
 
Jan. 11, 2020, 1 a.m. 3.0 ppb (3) 0.8 ppb (1) 3.1 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.16 ppb (2) 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 11, 2020, midnight 3.7 ppb (3) 1.1 ppb (1) 3.8 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.17 ppb (2) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 22.0
 
Jan. 10, 2020, 11 p.m. 3.3 ppb (3) 0.8 ppb (1) 3.7 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.16 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 22.0
 
Jan. 10, 2020, 10 p.m. 3.3 ppb (3) 0.8 ppb (1) 3.7 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.16 ppb (2) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 23.0
 
Jan. 10, 2020, 9 p.m. 3.7 ppb (3) 1.0 ppb (1) 4.2 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.17 ppb (2) 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2020, 8 p.m. 3.3 ppb (3) 1.0 ppb (1) 3.9 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.17 ppb (2) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2020, 7 p.m. 4.0 ppb (4) 1.4 ppb (1) 4.5 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.17 ppb (2) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Jan. 10, 2020, 6 p.m. 3.6 ppb (3) 1.5 ppb (1) 3.9 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.19 ppb (2) 9.0 μg/m3 (8) 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2020, 5 p.m. 3.2 ppb (3) 1.2 ppb (1) 3.8 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.17 ppb (2) 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0