AQSQID: 060970004

Site Name: Sebastopol

Location: Sonoma Co, CA

Reporting: True, Located: True

Current AQI: 27.0

Sonoma Co CA, US: 38.403765, -122.818294

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, 4 p.m. 3.5 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.23 ppb (3) N/A 1.0 μg/m3 (4) 27.0
 
Jan. 16, 2019, 3 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) 0.22 ppb (2) N/A -1.0 μg/m3 (0) 30.0
 
Jan. 16, 2019, 2 p.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) 0.22 ppb (2) N/A -1.0 μg/m3 (0) 28.0
 
Jan. 16, 2019, 1 p.m. 2.6 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.22 ppb (2) N/A 2.0 μg/m3 (8) 24.0
 
Jan. 16, 2019, noon 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) 0.21 ppb (2) N/A 2.0 μg/m3 (8) 25.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
Jan. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.0 μg/m3 (0) N/A
Jan. 16, 2019, 9 a.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) 0.21 ppb (2) N/A N/A 29.0
 
Jan. 16, 2019, 8 a.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) 0.21 ppb (2) N/A 18.0 μg/m3 (63) 63.0
 
Jan. 16, 2019, 7 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.22 ppb (2) N/A 4.0 μg/m3 (17) 28.0
 
Jan. 16, 2019, 6 a.m. 2.6 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.23 ppb (3) N/A 3.0 μg/m3 (12) 22.0
 
Jan. 16, 2019, 5 a.m. 3.9 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.24 ppb (3) N/A 3.0 μg/m3 (12) 16.0
 
Jan. 16, 2019, 4 a.m. 4.4 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.25 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 16, 2019, 3 a.m. 6.8 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 16, 2019, 2 a.m. 12.2 ppb (11) 1.4 ppb (1) N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) 0.41 ppb (5) N/A 3.0 μg/m3 (12) 15.0
 
Jan. 16, 2019, 1 a.m. 4.3 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) 0.27 ppb (3) N/A -3.0 μg/m3 (0) 22.0
 
Jan. 16, 2019, midnight 3.6 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) 0.23 ppb (3) N/A -2.0 μg/m3 (0) 24.0
 
Jan. 15, 2019, 11 p.m. 4.1 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) 0.23 ppb (3) N/A 1.0 μg/m3 (4) 24.0
 
Jan. 15, 2019, 10 p.m. 4.3 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) 0.22 ppb (2) N/A -1.0 μg/m3 (0) 24.0
 
Jan. 15, 2019, 9 p.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.21 ppb (2) N/A 1.0 μg/m3 (4) 23.0
 
Jan. 15, 2019, 8 p.m. 3.2 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) 0.2 ppb (2) N/A -1.0 μg/m3 (0) 25.0
 
Jan. 15, 2019, 7 p.m. 3.3 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.21 ppb (2) N/A 0.0 μg/m3 (0) 25.0
 
Jan. 15, 2019, 6 p.m. 3.4 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.21 ppb (2) N/A 3.0 μg/m3 (12) 23.0
 
Jan. 15, 2019, 5 p.m. 17.1 ppb (16) 4.3 ppb (4) N/A 13.0 ppb (12) N/A N/A 15.0 ppb (12) 0.38 ppb (4) N/A 1.0 μg/m3 (4) 16.0
 
Jan. 15, 2019, 4 p.m. 8.1 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.27 ppb (3) N/A N/A 16.0
 
Jan. 15, 2019, 3 p.m. 5.2 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 2 p.m. 3.3 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.21 ppb (2) N/A 3.0 μg/m3 (12) 23.0
 
Jan. 15, 2019, 1 p.m. 2.2 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.21 ppb (2) N/A 2.0 μg/m3 (8) 24.0
 
Jan. 15, 2019, noon 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 25.0
 
Jan. 15, 2019, 11 a.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.22 ppb (2) N/A 3.0 μg/m3 (12) 22.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 9 a.m. 8.9 ppb (8) 1.3 ppb (1) N/A 8.0 ppb (7) N/A N/A 5.0 ppb (4) 0.42 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 8 a.m. 9.2 ppb (9) 1.8 ppb (2) N/A 7.0 ppb (6) N/A N/A 4.0 ppb (3) 0.45 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 15, 2019, 7 a.m. 12.4 ppb (11) 3.2 ppb (3) N/A 9.0 ppb (8) N/A N/A 3.0 ppb (2) 0.48 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 15, 2019, 6 a.m. 19.4 ppb (18) 6.5 ppb (6) N/A 13.0 ppb (12) N/A N/A 2.0 ppb (2) 0.61 ppb (7) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 15, 2019, 5 a.m. 15.5 ppb (14) 4.8 ppb (4) N/A 11.0 ppb (10) N/A N/A 5.0 ppb (4) 0.47 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2019, 4 a.m. 23.0 ppb (21) 6.0 ppb (6) N/A 17.0 ppb (16) N/A N/A 5.0 ppb (4) 0.52 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 15, 2019, 3 a.m. 17.7 ppb (16) 4.2 ppb (4) N/A 14.0 ppb (13) N/A N/A 12.0 ppb (9) 0.42 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 2 a.m. 6.0 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.24 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 15, 2019, 1 a.m. 5.1 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
Jan. 15, 2019, midnight 4.1 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 11 p.m. 3.6 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.19 ppb (2) N/A 4.0 μg/m3 (17) 26.0
 
Jan. 14, 2019, 10 p.m. 3.2 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A -2.0 μg/m3 (0) 26.0
 
Jan. 14, 2019, 9 p.m. 3.3 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 25.0
 
Jan. 14, 2019, 8 p.m. 9.5 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) 0.33 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 7 p.m. 11.6 ppb (11) 4.4 ppb (4) N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) 0.36 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 6 p.m. 27.6 ppb (26) 17.4 ppb (16) N/A 10.0 ppb (9) N/A N/A 3.0 ppb (2) 0.58 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 5 p.m. 24.8 ppb (23) 16.6 ppb (15) N/A 8.0 ppb (7) N/A N/A 2.0 ppb (2) 0.54 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 4 p.m. 27.5 ppb (25) 20.4 ppb (19) N/A 7.0 ppb (6) N/A N/A 1.0 ppb (1) 0.53 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 3 p.m. 26.5 ppb (25) 19.1 ppb (18) N/A 8.0 ppb (7) N/A N/A 1.0 ppb (1) 0.49 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 2 p.m. 18.9 ppb (18) 12.1 ppb (11) N/A 7.0 ppb (6) N/A N/A 1.0 ppb (1) 0.43 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 1 p.m. 18.7 ppb (17) 9.2 ppb (9) N/A 10.0 ppb (9) N/A N/A 1.0 ppb (1) 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, noon 15.1 ppb (14) 10.1 ppb (9) N/A 5.0 ppb (5) N/A N/A 1.0 ppb (1) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 9 a.m. 13.3 ppb (12) 6.0 ppb (6) N/A 7.0 ppb (6) N/A N/A 1.0 ppb (1) 0.46 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2019, 8 a.m. 13.5 ppb (12) 5.0 ppb (5) N/A 9.0 ppb (8) N/A N/A 2.0 ppb (2) 0.46 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 7 a.m. 20.0 ppb (19) 9.2 ppb (9) N/A 11.0 ppb (10) N/A N/A 2.0 ppb (2) 0.53 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2019, 6 a.m. 14.5 ppb (13) 4.4 ppb (4) N/A 10.0 ppb (9) N/A N/A 4.0 ppb (3) 0.47 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 14, 2019, 5 a.m. 16.9 ppb (16) 4.6 ppb (4) N/A 12.0 ppb (11) N/A N/A 3.0 ppb (2) 0.57 ppb (6) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 14, 2019, 4 a.m. 18.2 ppb (17) 3.9 ppb (4) N/A 14.0 ppb (13) N/A N/A 6.0 ppb (5) 0.52 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2019, 3 a.m. 20.8 ppb (19) 3.4 ppb (3) N/A 17.0 ppb (16) N/A N/A 8.0 ppb (6) 0.47 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 2 a.m. 22.9 ppb (21) 5.8 ppb (5) N/A 17.0 ppb (16) N/A N/A 13.0 ppb (10) 0.51 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2019, 1 a.m. 6.0 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.24 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, midnight 3.9 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.22 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
Jan. 13, 2019, 11 p.m. 3.4 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.21 ppb (2) N/A 2.0 μg/m3 (8) 28.0
 
Jan. 13, 2019, 10 p.m. 3.5 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 27.0
 
Jan. 13, 2019, 9 p.m. 3.2 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.24 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2019, 8 p.m. 3.7 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.26 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2019, 7 p.m. 4.8 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.28 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2019, 6 p.m. 10.9 ppb (10) 5.3 ppb (5) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) 0.41 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2019, 5 p.m. 11.9 ppb (11) 6.3 ppb (6) N/A 6.0 ppb (6) N/A N/A 7.0 ppb (5) 0.43 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2019, 4 p.m. 12.0 ppb (11) 8.4 ppb (8) N/A 4.0 ppb (4) N/A N/A 2.0 ppb (2) 0.4 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, 3 p.m. 15.5 ppb (14) 10.2 ppb (9) N/A 5.0 ppb (5) N/A N/A 1.0 ppb (1) 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 13, 2019, 2 p.m. 14.1 ppb (13) 8.7 ppb (8) N/A 5.0 ppb (5) N/A N/A 1.0 ppb (1) 0.38 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, 1 p.m. 11.3 ppb (10) 6.6 ppb (6) N/A 5.0 ppb (5) N/A N/A 1.0 ppb (1) 0.38 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2019, noon 8.0 ppb (7) 3.5 ppb (3) N/A 5.0 ppb (5) N/A N/A 1.0 ppb (1) 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, 11 a.m. 9.8 ppb (9) 3.9 ppb (4) N/A 6.0 ppb (6) N/A N/A 3.0 ppb (2) 0.36 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 13, 2019, 9 a.m. 11.9 ppb (11) 4.6 ppb (4) N/A 7.0 ppb (6) N/A N/A 1.0 ppb (1) 0.43 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 13, 2019, 8 a.m. 19.7 ppb (18) 10.6 ppb (10) N/A 9.0 ppb (8) N/A N/A 2.0 ppb (2) 0.52 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 13, 2019, 7 a.m. 20.5 ppb (19) 7.4 ppb (7) N/A 13.0 ppb (12) N/A N/A 2.0 ppb (2) 0.5 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2019, 6 a.m. 20.5 ppb (19) 6.8 ppb (6) N/A 14.0 ppb (13) N/A N/A 3.0 ppb (2) 0.51 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 13, 2019, 5 a.m. 25.5 ppb (24) 9.6 ppb (9) N/A 16.0 ppb (15) N/A N/A 3.0 ppb (2) 0.62 ppb (7) N/A 18.0 μg/m3 (63) 63.0
 
Jan. 13, 2019, 4 a.m. 10.8 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2019, 3 a.m. 17.0 ppb (16) 4.7 ppb (4) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2019, 2 a.m. 8.7 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) 0.24 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2019, 1 a.m. 6.5 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, midnight 4.6 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 25.0
 
Jan. 12, 2019, 11 p.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 0.17 ppb (2) N/A 2.0 μg/m3 (8) 28.0
 
Jan. 12, 2019, 10 p.m. 3.8 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) 0.21 ppb (2) N/A 4.0 μg/m3 (17) 22.0
 
Jan. 12, 2019, 9 p.m. 4.6 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 19.0
 
Jan. 12, 2019, 8 p.m. 5.4 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 18.0
 
Jan. 12, 2019, 7 p.m. 6.5 ppb (6) 2.7 ppb (3) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) 0.29 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 12, 2019, 6 p.m. 6.2 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (10) 0.28 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 12, 2019, 5 p.m. 6.1 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 8.0 ppb (6) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2019, 4 p.m. 6.6 ppb (6) 2.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 6.0 ppb (5) 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2019, 3 p.m. 9.2 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A N/A 4.0 ppb (3) 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2019, 2 p.m. 8.6 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 2.0 ppb (2) 0.39 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2019, 1 p.m. 12.8 ppb (12) 4.5 ppb (4) N/A 8.0 ppb (7) N/A N/A 2.0 ppb (2) 0.42 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, noon 8.9 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 3.0 ppb (2) 0.41 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 12, 2019, 9 a.m. 15.9 ppb (15) 5.5 ppb (5) N/A 10.0 ppb (9) N/A N/A 1.0 ppb (1) 0.52 ppb (6) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 12, 2019, 8 a.m. 13.2 ppb (12) 3.5 ppb (3) N/A 10.0 ppb (9) N/A N/A 3.0 ppb (2) 0.49 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2019, 7 a.m. 14.1 ppb (13) 2.5 ppb (2) N/A 12.0 ppb (11) N/A N/A 5.0 ppb (4) 0.41 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 12, 2019, 6 a.m. 13.9 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A N/A 2.0 ppb (2) 0.47 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 12, 2019, 5 a.m. 16.1 ppb (15) 3.8 ppb (4) N/A 12.0 ppb (11) N/A N/A 3.0 ppb (2) 0.47 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 12, 2019, 4 a.m. 14.2 ppb (13) 2.4 ppb (2) N/A 12.0 ppb (11) N/A N/A 7.0 ppb (5) 0.42 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 12, 2019, 3 a.m. 16.8 ppb (16) 2.9 ppb (3) N/A 14.0 ppb (13) N/A N/A 5.0 ppb (4) 0.48 ppb (5) N/A 18.0 μg/m3 (63) 63.0
 
Jan. 12, 2019, 2 a.m. 15.5 ppb (14) 2.7 ppb (3) N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) 0.4 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2019, 1 a.m. 9.0 ppb (8) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 12.0 ppb (9) 0.29 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 12, 2019, midnight 10.6 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) 0.29 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2019, 11 p.m. 9.2 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) 0.27 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 11, 2019, 10 p.m. 6.2 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) 0.22 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 11, 2019, 9 p.m. 9.8 ppb (9) 2.2 ppb (2) N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) 0.27 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 11, 2019, 8 p.m. 7.9 ppb (7) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 7 p.m. 9.5 ppb (9) 3.1 ppb (3) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) 0.28 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2019, 6 p.m. 12.1 ppb (11) 2.9 ppb (3) N/A 9.0 ppb (8) N/A N/A 11.0 ppb (8) 0.35 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 11, 2019, 5 p.m. 14.4 ppb (13) 6.5 ppb (6) N/A 8.0 ppb (7) N/A N/A 13.0 ppb (10) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2019, 4 p.m. 19.4 ppb (18) 7.1 ppb (7) N/A 12.0 ppb (11) N/A N/A 8.0 ppb (6) 0.44 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 3 p.m. 23.3 ppb (22) 8.4 ppb (8) N/A 15.0 ppb (14) N/A N/A 4.0 ppb (3) 0.51 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 11, 2019, 2 p.m. 25.3 ppb (23) 10.8 ppb (10) N/A 15.0 ppb (14) N/A N/A 2.0 ppb (2) 0.38 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2019, 1 p.m. 25.3 ppb (23) 8.9 ppb (8) N/A 16.0 ppb (15) N/A N/A 4.0 ppb (3) 0.39 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2019, noon 10.6 ppb (10) 3.7 ppb (3) N/A 7.0 ppb (6) N/A N/A 11.0 ppb (8) 0.33 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 9 a.m. 2.7 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2019, 8 a.m. 2.8 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.21 ppb (2) N/A 2.0 μg/m3 (8) 16.0
 
Jan. 11, 2019, 7 a.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.21 ppb (2) N/A 2.0 μg/m3 (8) 18.0
 
Jan. 11, 2019, 6 a.m. 3.0 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.22 ppb (2) N/A 4.0 μg/m3 (17) 18.0
 
Jan. 11, 2019, 5 a.m. 4.5 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.24 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 11, 2019, 4 a.m. 9.0 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2019, 3 a.m. 11.6 ppb (11) 1.2 ppb (1) N/A 10.0 ppb (9) N/A N/A 15.0 ppb (12) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 11, 2019, 2 a.m. 11.9 ppb (11) 1.5 ppb (1) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) 0.3 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 11, 2019, 1 a.m. 10.3 ppb (10) 1.2 ppb (1) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) 0.27 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 11, 2019, midnight 6.8 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) 0.23 ppb (3) N/A 5.0 μg/m3 (21) 26.0
 
Jan. 10, 2019, 11 p.m. 4.3 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.21 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2019, 10 p.m. 3.8 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.18 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 10, 2019, 9 p.m. 4.7 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) 0.21 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 10, 2019, 8 p.m. 5.5 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.21 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 10, 2019, 7 p.m. 5.9 ppb (5) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.23 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2019, 6 p.m. 6.4 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.26 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2019, 5 p.m. 5.0 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2019, 4 p.m. 6.3 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.24 ppb (3) N/A 2.0 μg/m3 (8) 15.0
 
Jan. 10, 2019, 3 p.m. 13.1 ppb (12) 3.9 ppb (4) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.28 ppb (3) N/A 2.0 μg/m3 (8) 15.0
 
Jan. 10, 2019, 2 p.m. 6.6 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 10.0 ppb (8) 0.3 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 10, 2019, 1 p.m. 5.6 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 4.0 ppb (3) 0.29 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 10, 2019, noon 6.7 ppb (6) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 4.0 ppb (3) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 10, 2019, 9 a.m. 10.9 ppb (10) 5.2 ppb (5) N/A 6.0 ppb (6) N/A N/A 1.0 ppb (1) 0.41 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 10, 2019, 8 a.m. 11.4 ppb (11) 3.6 ppb (3) N/A 8.0 ppb (7) N/A N/A 2.0 ppb (2) 0.42 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 10, 2019, 7 a.m. 21.3 ppb (20) 10.6 ppb (10) N/A 11.0 ppb (10) N/A N/A 1.0 ppb (1) 0.55 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2019, 6 a.m. 21.7 ppb (20) 9.4 ppb (9) N/A 12.0 ppb (11) N/A N/A 2.0 ppb (2) 0.53 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2019, 5 a.m. 9.7 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 10.0 ppb (8) 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 10, 2019, 4 a.m. 9.2 ppb (9) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 10, 2019, 3 a.m. 15.7 ppb (15) 3.2 ppb (3) N/A 13.0 ppb (12) N/A N/A 12.0 ppb (9) 0.36 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 10, 2019, 2 a.m. 5.4 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.19 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2019, 1 a.m. 5.7 ppb (5) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.21 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 10, 2019, midnight 4.5 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.18 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 9, 2019, 11 p.m. 3.3 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 9, 2019, 10 p.m. 2.5 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.17 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 9, 2019, 9 p.m. 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 9, 2019, 8 p.m. 2.9 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 9, 2019, 7 p.m. 3.1 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 29.0
 
Jan. 9, 2019, 6 p.m. 2.5 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 9, 2019, 5 p.m. 3.2 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.17 ppb (2) N/A 7.0 μg/m3 (29) 29.0