AQSQID: 060131004

Site Name: San Pablo - Rumrill

Location: San Pablo, CA

Reporting: True, Located: True

Current AQI: 25.0

San Pablo CA, US: 37.9604, -122.3571

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, 9 p.m. 8.8 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 25.0
 
Jan. 16, 2019, 8 p.m. 10.4 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (23) 0.34 ppb (4) N/A 4.0 μg/m3 (17) 23.0
 
Jan. 16, 2019, 7 p.m. 15.9 ppb (15) 3.2 ppb (3) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 26.0 ppb (20) 0.37 ppb (4) N/A 4.0 μg/m3 (17) 20.0
 
Jan. 16, 2019, 6 p.m. 11.8 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 28.0 ppb (22) 0.36 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2019, 5 p.m. 9.4 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 31.0 ppb (24) 0.34 ppb (4) N/A 3.0 μg/m3 (12) 24.0
 
Jan. 16, 2019, 4 p.m. 12.6 ppb (12) 2.1 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) N/A 2.0 μg/m3 (8) 22.0
 
Jan. 16, 2019, 3 p.m. 12.5 ppb (12) 1.5 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 28.0 ppb (22) 0.38 ppb (4) N/A 4.0 μg/m3 (17) 22.0
 
Jan. 16, 2019, 2 p.m. 9.4 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (23) 0.35 ppb (4) N/A 4.0 μg/m3 (17) 23.0
 
Jan. 16, 2019, 1 p.m. 7.4 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.33 ppb (4) N/A 4.0 μg/m3 (17) 25.0
 
Jan. 16, 2019, noon 4.9 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 26.0
 
Jan. 16, 2019, 11 a.m. 3.8 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 35.0 ppb (27) 0.29 ppb (3) N/A 2.0 μg/m3 (8) 27.0
 
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 (12) 12.0
 
Jan. 16, 2019, 9 a.m. 4.4 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (28) 0.29 ppb (3) N/A 4.0 μg/m3 (17) 28.0
 
Jan. 16, 2019, 8 a.m. 5.3 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) 0.28 ppb (3) N/A 6.0 μg/m3 (25) 28.0
 
Jan. 16, 2019, 7 a.m. 6.0 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.3 ppb (3) N/A 6.0 μg/m3 (25) 28.0
 
Jan. 16, 2019, 6 a.m. 6.2 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (29) 0.29 ppb (3) N/A 2.0 μg/m3 (8) 29.0
 
Jan. 16, 2019, 5 a.m. 7.9 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 28.0
 
Jan. 16, 2019, 4 a.m. 5.2 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 31.0
 
Jan. 16, 2019, 3 a.m. 12.3 ppb (11) 1.2 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 29.0 ppb (22) 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2019, 2 a.m. 15.5 ppb (14) 1.5 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 14.0 ppb (11) 0.43 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2019, 1 a.m. 14.9 ppb (14) 3.8 ppb (4) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 18.0 ppb (14) 0.42 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2019, midnight 10.3 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (17) 0.34 ppb (4) N/A 1.0 μg/m3 (4) 17.0
 
Jan. 15, 2019, 11 p.m. 9.5 ppb (9) 2.2 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 15, 2019, 10 p.m. 7.8 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.31 ppb (3) N/A 3.0 μg/m3 (12) 19.0
 
Jan. 15, 2019, 9 p.m. 7.8 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 19.0
 
Jan. 15, 2019, 8 p.m. 10.1 ppb (9) 2.5 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (18) 0.34 ppb (4) N/A 2.0 μg/m3 (8) 18.0
 
Jan. 15, 2019, 7 p.m. 10.1 ppb (9) 2.6 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (18) 0.34 ppb (4) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 15, 2019, 6 p.m. 14.8 ppb (14) 3.8 ppb (4) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 20.0 ppb (15) 0.37 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2019, 5 p.m. 13.6 ppb (13) 3.2 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (18) 0.37 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 4 p.m. 17.9 ppb (17) 4.6 ppb (4) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 17.0 ppb (13) 0.43 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 3 p.m. 22.7 ppb (21) 6.9 ppb (6) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 12.0 ppb (9) 0.52 ppb (6) N/A 4.0 μg/m3 (17) 21.0
 
Jan. 15, 2019, 2 p.m. 14.9 ppb (14) 2.8 ppb (3) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 15.0 ppb (12) 0.36 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 1 p.m. 13.5 ppb (12) 2.5 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 19.0 ppb (15) 0.45 ppb (5) N/A 3.0 μg/m3 (12) 15.0
 
Jan. 15, 2019, noon 6.6 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.29 ppb (3) N/A 3.0 μg/m3 (12) 19.0
 
Jan. 15, 2019, 11 a.m. 6.6 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 21.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
Jan. 15, 2019, 9 a.m. 5.7 ppb (5) 0.2 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) 0.3 ppb (3) N/A 2.0 μg/m3 (8) 15.0
 
Jan. 15, 2019, 8 a.m. 7.2 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 7 a.m. 11.6 ppb (11) 1.2 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 11.0 ppb (8) 0.38 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 6 a.m. 13.0 ppb (12) 1.5 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 10.0 ppb (8) 0.4 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2019, 5 a.m. 17.2 ppb (16) 2.7 ppb (3) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 10.0 ppb (8) 0.44 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 4 a.m. 16.3 ppb (15) 2.7 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 13.0 ppb (10) 0.42 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 3 a.m. 16.2 ppb (15) 2.9 ppb (3) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 13.0 ppb (10) 0.42 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 2 a.m. 18.8 ppb (17) 3.7 ppb (3) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 18.0 ppb (14) 0.47 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2019, 1 a.m. 14.7 ppb (14) 3.0 ppb (3) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 27.0 ppb (21) 0.38 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, midnight 14.7 ppb (14) 4.1 ppb (4) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 29.0 ppb (22) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 22.0
 
Jan. 14, 2019, 11 p.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 p.m. 10.1 ppb (9) 3.5 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.54 ppb (6) N/A N/A 21.0
 
Jan. 14, 2019, 9 p.m. 9.9 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.54 ppb (6) N/A 3.0 μg/m3 (12) 19.0
 
Jan. 14, 2019, 8 p.m. 8.5 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.52 ppb (6) N/A 4.0 μg/m3 (17) 19.0
 
Jan. 14, 2019, 7 p.m. 8.5 ppb (8) 2.3 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.57 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2019, 6 p.m. 8.7 ppb (8) 2.3 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.53 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2019, 5 p.m. 7.6 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.51 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 4 p.m. 8.1 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) 0.54 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 3 p.m. 8.6 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) 0.54 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 2 p.m. 7.8 ppb (7) 1.2 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 20.0 ppb (15) 0.54 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 14, 2019, 1 p.m. 8.1 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 20.0 ppb (15) 0.55 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2019, noon 8.9 ppb (8) 0.3 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 20.0 ppb (15) 0.55 ppb (6) N/A 18.0 μg/m3 (63) 63.0
 
Jan. 14, 2019, 11 a.m. 5.3 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 27.0 ppb (21) 0.5 ppb (6) 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 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2019, 9 a.m. 4.6 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.51 ppb (6) N/A 5.0 μg/m3 (21) 22.0
 
Jan. 14, 2019, 8 a.m. 5.2 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.52 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 7 a.m. 6.0 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) 0.54 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 6 a.m. 5.6 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.53 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 5 a.m. 7.2 ppb (7) 1.1 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.54 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 4 a.m. 9.2 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (21) 0.58 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 3 a.m. 7.9 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.56 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2019, 2 a.m. 8.6 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (20) 0.57 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 1 a.m. 9.9 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (19) 0.57 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, midnight 9.9 ppb (9) 1.9 ppb (2) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 27.0 ppb (21) 0.57 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2019, 11 p.m. 8.7 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) 0.56 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2019, 10 p.m. 7.1 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) 0.55 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2019, 9 p.m. 6.6 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 28.0 ppb (22) 0.54 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 13, 2019, 8 p.m. 6.0 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 27.0 ppb (21) 0.53 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 13, 2019, 7 p.m. 6.5 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 25.0 ppb (19) 0.54 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 13, 2019, 6 p.m. 7.7 ppb (7) 3.1 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 22.0 ppb (17) 0.56 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 13, 2019, 5 p.m. 7.7 ppb (7) 2.1 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 20.0 ppb (15) 0.57 ppb (6) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 13, 2019, 4 p.m. 8.4 ppb (8) 2.2 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.59 ppb (7) N/A 21.0 μg/m3 (69) 69.0
 
Jan. 13, 2019, 3 p.m. 8.8 ppb (8) 1.2 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 14.0 ppb (11) 0.61 ppb (7) N/A 23.0 μg/m3 (73) 73.0
 
Jan. 13, 2019, 2 p.m. 8.4 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (10) 0.56 ppb (6) N/A 33.0 μg/m3 (95) 95.0
 
Jan. 13, 2019, 1 p.m. 4.7 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (12) 0.5 ppb (6) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2019, noon 6.5 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (8) 0.53 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2019, 11 a.m. 5.0 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 13.0 ppb (10) 0.53 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2019, 9 a.m. 7.9 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (8) 0.6 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, 8 a.m. 9.7 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 11.0 ppb (8) 0.61 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2019, 7 a.m. 14.3 ppb (13) 2.4 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 6.0 ppb (5) 0.7 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2019, 6 a.m. 13.8 ppb (13) 2.4 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 8.0 ppb (6) 0.67 ppb (7) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 13, 2019, 5 a.m. 12.3 ppb (11) 1.8 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 11.0 ppb (8) 0.66 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2019, 4 a.m. 22.0 ppb (20) 4.3 ppb (4) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 7.0 ppb (5) 0.85 ppb (9) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 13, 2019, 3 a.m. 29.9 ppb (28) 5.4 ppb (5) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 6.0 ppb (5) 0.99 ppb (11) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 13, 2019, 2 a.m. 29.4 ppb (27) 5.8 ppb (5) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 15.0 ppb (12) 0.88 ppb (10) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2019, 1 a.m. 10.1 ppb (9) 1.4 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 33.0 ppb (25) 0.54 ppb (6) N/A 4.0 μg/m3 (17) 25.0
 
Jan. 13, 2019, midnight 6.4 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (29) 0.46 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 12, 2019, 11 p.m. 10.5 ppb (10) 2.4 ppb (2) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 25.0 ppb (19) 0.6 ppb (7) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 12, 2019, 10 p.m. 6.1 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 27.0 ppb (21) 0.54 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 12, 2019, 9 p.m. 6.8 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 25.0 ppb (19) 0.51 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 12, 2019, 8 p.m. 5.9 ppb (5) 2.1 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 27.0 ppb (21) 0.49 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2019, 7 p.m. 7.2 ppb (7) 2.4 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 29.0 ppb (22) 0.51 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 12, 2019, 6 p.m. 10.2 ppb (9) 3.6 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) 0.55 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2019, 5 p.m. 11.6 ppb (11) 2.9 ppb (3) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 20.0 ppb (15) 0.56 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2019, 4 p.m. 11.3 ppb (10) 3.6 ppb (3) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 18.0 ppb (14) 0.56 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 12, 2019, 3 p.m. 9.0 ppb (8) 2.1 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 21.0 ppb (16) 0.52 ppb (6) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 12, 2019, 2 p.m. 5.8 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 24.0 ppb (18) 0.5 ppb (6) N/A 4.0 μg/m3 (17) 18.0
 
Jan. 12, 2019, 1 p.m. 4.6 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 26.0 ppb (20) 0.46 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2019, noon 3.7 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 25.0 ppb (19) 0.46 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 12, 2019, 11 a.m. 3.9 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 23.0 ppb (18) 0.46 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2019, 9 a.m. 4.8 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) 0.48 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 12, 2019, 8 a.m. 4.2 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) 0.48 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2019, 7 a.m. 5.5 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (16) 0.5 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2019, 6 a.m. 6.8 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.53 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2019, 5 a.m. 8.0 ppb (7) 1.3 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.55 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2019, 4 a.m. 7.8 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.54 ppb (6) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 12, 2019, 3 a.m. 8.5 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.54 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2019, 2 a.m. 9.0 ppb (8) 1.6 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (13) 0.54 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 12, 2019, 1 a.m. 11.6 ppb (11) 2.4 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (12) 0.57 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2019, midnight 12.4 ppb (11) 3.8 ppb (4) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 17.0 ppb (13) 0.59 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 11 p.m. 10.7 ppb (10) 3.4 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.55 ppb (6) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 11, 2019, 10 p.m. 8.6 ppb (8) 2.5 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.49 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 11, 2019, 9 p.m. 9.4 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.5 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 11, 2019, 8 p.m. 8.5 ppb (8) 3.1 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.51 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2019, 7 p.m. 6.6 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 21.0 ppb (16) 0.51 ppb (6) N/A N/A 16.0
 
Jan. 11, 2019, 6 p.m. 6.9 ppb (6) 2.4 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.52 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 11, 2019, 5 p.m. 5.7 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 21.0 ppb (16) 0.49 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2019, 4 p.m. 7.6 ppb (7) 2.3 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.53 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2019, 3 p.m. 8.7 ppb (8) 2.6 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.54 ppb (6) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 11, 2019, 2 p.m. 6.7 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (14) 0.5 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 1 p.m. 5.0 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) 0.49 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 11, 2019, noon 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) 0.48 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2019, 11 a.m. 4.4 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 20.0 ppb (15) 0.47 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2019, 9 a.m. 5.1 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (13) 0.5 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 11, 2019, 8 a.m. 5.7 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (13) 0.51 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 11, 2019, 7 a.m. 6.1 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.51 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 6 a.m. 7.6 ppb (7) 1.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.51 ppb (6) N/A 3.0 μg/m3 (12) 16.0
 
Jan. 11, 2019, 5 a.m. 8.7 ppb (8) 1.3 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.53 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2019, 4 a.m. 9.4 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (21) 0.53 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 11, 2019, 3 a.m. 12.1 ppb (11) 2.3 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (19) 0.55 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2019, 2 a.m. 14.4 ppb (13) 3.1 ppb (3) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (16) 0.6 ppb (7) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 11, 2019, 1 a.m. 14.3 ppb (13) 3.4 ppb (3) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (16) 0.61 ppb (7) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 11, 2019, midnight 13.5 ppb (12) 3.5 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (18) 0.58 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 10, 2019, 11 p.m. 11.8 ppb (11) 2.7 ppb (3) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 25.0 ppb (19) 0.49 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 10, 2019, 10 p.m. 12.9 ppb (12) 3.9 ppb (4) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 24.0 ppb (18) 0.53 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 10, 2019, 9 p.m. 20.4 ppb (19) 6.2 ppb (6) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 19.0 ppb (15) 0.56 ppb (6) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 10, 2019, 8 p.m. 22.5 ppb (21) 6.4 ppb (6) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 17.0 ppb (13) 0.59 ppb (7) N/A 21.0 μg/m3 (69) 69.0
 
Jan. 10, 2019, 7 p.m. 26.0 ppb (24) 9.0 ppb (8) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 12.0 ppb (9) 0.67 ppb (7) N/A N/A 24.0
 
Jan. 10, 2019, 6 p.m. 27.5 ppb (25) 12.1 ppb (11) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 11.0 ppb (8) 0.68 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 10, 2019, 5 p.m. 45.8 ppb (42) 27.3 ppb (25) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 5.0 ppb (4) 0.82 ppb (9) N/A 9.0 μg/m3 (38) 42.0
 
Jan. 10, 2019, 4 p.m. 43.4 ppb (40) 27.0 ppb (25) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 3.0 ppb (2) 1.06 ppb (12) N/A 6.0 μg/m3 (25) 40.0
 
Jan. 10, 2019, 3 p.m. 32.0 ppb (30) 16.6 ppb (15) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 2.0 ppb (2) 0.82 ppb (9) N/A 6.0 μg/m3 (25) 30.0
 
Jan. 10, 2019, 2 p.m. 15.2 ppb (14) 5.4 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 5.0 ppb (4) 0.59 ppb (7) N/A 2.0 μg/m3 (8) 14.0
 
Jan. 10, 2019, 1 p.m. 11.4 ppb (11) 2.9 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 6.0 ppb (5) 0.56 ppb (6) N/A N/A 11.0
 
Jan. 10, 2019, noon 9.0 ppb (8) 1.1 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 8.0 ppb (6) 0.57 ppb (6) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 10, 2019, 11 a.m. 7.6 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A 2.0 ppb (3) 10.0 ppb (8) 0.54 ppb (6) N/A N/A 8.0
 
Jan. 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 10, 2019, 9 a.m. 12.6 ppb (12) 1.8 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 8.0 ppb (6) 0.57 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2019, 8 a.m. 32.1 ppb (30) 11.7 ppb (11) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 2.0 ppb (2) 0.83 ppb (9) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 10, 2019, 7 a.m. 42.0 ppb (39) 16.3 ppb (15) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 1.0 ppb (1) 0.92 ppb (10) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 10, 2019, 6 a.m. 37.9 ppb (35) 9.7 ppb (9) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 3.0 ppb (2) 0.8 ppb (9) N/A 8.0 μg/m3 (33) 35.0
 
Jan. 10, 2019, 5 a.m. 27.1 ppb (25) 3.0 ppb (3) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 13.0 ppb (10) 0.54 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 10, 2019, 4 a.m. 28.8 ppb (27) 4.8 ppb (4) N/A 24.0 ppb (22) N/A 1.0 ppb (1) 13.0 ppb (10) 0.67 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 10, 2019, 3 a.m. 26.6 ppb (25) 3.5 ppb (3) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 15.0 ppb (12) 0.67 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2019, 2 a.m. 28.3 ppb (26) 2.7 ppb (3) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 15.0 ppb (12) 0.65 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2019, 1 a.m. 24.2 ppb (22) 3.7 ppb (3) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 21.0 ppb (16) 0.67 ppb (7) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 10, 2019, midnight 10.6 ppb (10) 1.3 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 33.0 ppb (25) 0.5 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 9, 2019, 11 p.m. 7.3 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (29) 0.45 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 9, 2019, 10 p.m. 13.7 ppb (13) 2.9 ppb (3) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 32.0 ppb (25) 0.49 ppb (5) N/A 11.0 μg/m3 (46) 46.0