AQSQID: 060590007

Site Name: Anaheim

Location: Anaheim, CA

Reporting: True, Located: True

Current AQI: 22.0

Anaheim CA, US: 33.82, -117.913101

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, 4 a.m. 20.6 ppb (19) 1.2 ppb (1) N/A 19.0 ppb (18) N/A N/A 19.0 ppb (15) 0.34 ppb (4) 3.0 μg/m3 (3) 4.0 μg/m3 (17) 19.0
 
Jan. 16, 2019, 3 a.m. 13.7 ppb (13) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A 28.0 ppb (22) 0.3 ppb (3) 7.0 μg/m3 (6) 2.3 μg/m3 (10) 22.0
 
Jan. 16, 2019, 2 a.m. 14.8 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 28.0 ppb (22) 0.45 ppb (5) 8.0 μg/m3 (7) 2.8 μg/m3 (12) 22.0
 
Jan. 16, 2019, 1 a.m. 17.4 ppb (16) 1.1 ppb (1) N/A 16.0 ppb (15) N/A N/A 25.0 ppb (19) 0.4 ppb (4) 1.0 μg/m3 (1) 3.7 μg/m3 (15) 19.0
 
Jan. 16, 2019, midnight 17.0 ppb (16) 1.2 ppb (1) N/A 16.0 ppb (15) N/A N/A 29.0 ppb (22) 0.38 ppb (4) -1.0 μg/m3 (0) 0.8 μg/m3 (3) 22.0
 
Jan. 15, 2019, 11 p.m. 15.3 ppb (14) 1.1 ppb (1) N/A 14.0 ppb (13) N/A N/A 31.0 ppb (24) 0.33 ppb (4) 6.0 μg/m3 (5) 0.9 μg/m3 (4) 24.0
 
Jan. 15, 2019, 10 p.m. 9.5 ppb (9) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 38.0 ppb (29) 0.27 ppb (3) 10.0 μg/m3 (9) 1.5 μg/m3 (6) 29.0
 
Jan. 15, 2019, 9 p.m. 6.3 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 41.0 ppb (32) 0.22 ppb (2) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 32.0
 
Jan. 15, 2019, 8 p.m. 8.2 ppb (8) 1.4 ppb (1) N/A 7.0 ppb (6) N/A N/A 38.0 ppb (29) 0.24 ppb (3) 9.0 μg/m3 (8) 3.9 μg/m3 (16) 29.0
 
Jan. 15, 2019, 7 p.m. 13.0 ppb (12) 4.0 ppb (4) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.28 ppb (3) 14.0 μg/m3 (13) 6.6 μg/m3 (28) 28.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 10.7 μg/m3 (45) 45.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 10.7 μg/m3 (45) 45.0
 
Jan. 15, 2019, 4 p.m. 48.4 ppb (45) 20.5 ppb (19) N/A 28.0 ppb (26) N/A N/A 3.0 ppb (2) 0.73 ppb (8) 18.0 μg/m3 (16) 7.1 μg/m3 (30) 45.0
 
Jan. 15, 2019, 3 p.m. 58.7 ppb (55) 26.9 ppb (25) N/A 32.0 ppb (30) N/A N/A 0.0 ppb (0) 0.79 ppb (9) 19.0 μg/m3 (17) 2.7 μg/m3 (11) 55.0
 
Jan. 15, 2019, 2 p.m. 41.0 ppb (38) 13.6 ppb (13) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) 0.59 ppb (7) 15.0 μg/m3 (14) 1.7 μg/m3 (7) 38.0
 
Jan. 15, 2019, 1 p.m. 22.7 ppb (21) 2.8 ppb (3) N/A 20.0 ppb (19) N/A N/A 10.0 ppb (8) 0.4 ppb (4) 5.0 μg/m3 (5) 4.7 μg/m3 (20) 21.0
 
Jan. 15, 2019, noon 14.9 ppb (14) 1.5 ppb (1) N/A 13.0 ppb (12) N/A N/A 17.0 ppb (13) 0.28 ppb (3) 6.0 μg/m3 (5) 6.8 μg/m3 (28) 28.0
 
Jan. 15, 2019, 11 a.m. 11.1 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) 0.25 ppb (3) 8.0 μg/m3 (7) 5.9 μg/m3 (25) 25.0
 
Jan. 15, 2019, 10 a.m. 10.0 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) 0.25 ppb (3) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2019, 9 a.m. 11.5 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) 0.27 ppb (3) 11.0 μg/m3 (10) 5.5 μg/m3 (23) 23.0
 
Jan. 15, 2019, 8 a.m. 15.8 ppb (15) 0.9 ppb (1) N/A 15.0 ppb (14) N/A N/A 15.0 ppb (12) 0.3 ppb (3) 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 7 a.m. 13.1 ppb (12) 0.7 ppb (1) N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) 0.29 ppb (3) -1.0 μg/m3 (0) 1.3 μg/m3 (5) 15.0
 
Jan. 15, 2019, 6 a.m. 13.1 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) 0.31 ppb (3) 4.0 μg/m3 (4) 3.0 μg/m3 (12) 16.0
 
Jan. 15, 2019, 5 a.m. 14.3 ppb (13) 1.5 ppb (1) N/A 13.0 ppb (12) N/A N/A 20.0 ppb (15) 0.34 ppb (4) 8.0 μg/m3 (7) 6.8 μg/m3 (28) 28.0
 
Jan. 15, 2019, 4 a.m. 17.3 ppb (16) 1.6 ppb (1) N/A 16.0 ppb (15) N/A N/A 17.0 ppb (13) 0.35 ppb (4) 10.0 μg/m3 (9) 6.8 μg/m3 (28) 28.0
 
Jan. 15, 2019, 3 a.m. 20.4 ppb (19) 1.8 ppb (2) N/A 19.0 ppb (18) N/A N/A 15.0 ppb (12) 0.4 ppb (4) 3.0 μg/m3 (3) 5.9 μg/m3 (25) 25.0
 
Jan. 15, 2019, 2 a.m. 20.3 ppb (19) 1.3 ppb (1) N/A 19.0 ppb (18) N/A N/A 16.0 ppb (12) 0.49 ppb (5) 1.0 μg/m3 (1) 5.5 μg/m3 (23) 23.0
 
Jan. 15, 2019, 1 a.m. 25.6 ppb (24) 2.3 ppb (2) N/A 23.0 ppb (21) N/A N/A 13.0 ppb (10) 0.82 ppb (9) 3.0 μg/m3 (3) 2.0 μg/m3 (8) 24.0
 
Jan. 15, 2019, midnight 18.9 ppb (18) 2.2 ppb (2) N/A 17.0 ppb (16) N/A N/A 20.0 ppb (15) 0.6 ppb (7) 3.0 μg/m3 (3) 2.8 μg/m3 (12) 18.0
 
Jan. 14, 2019, 11 p.m. 27.2 ppb (25) 4.7 ppb (4) N/A 23.0 ppb (21) N/A N/A 16.0 ppb (12) 0.57 ppb (6) 6.0 μg/m3 (5) 5.6 μg/m3 (23) 25.0
 
Jan. 14, 2019, 10 p.m. 26.6 ppb (25) 4.9 ppb (5) N/A 22.0 ppb (20) N/A N/A 19.0 ppb (15) 0.63 ppb (7) 15.0 μg/m3 (14) 6.8 μg/m3 (28) 28.0
 
Jan. 14, 2019, 9 p.m. 33.2 ppb (31) 7.1 ppb (7) N/A 26.0 ppb (24) N/A N/A 15.0 ppb (12) 0.52 ppb (6) 11.0 μg/m3 (10) 7.6 μg/m3 (32) 32.0
 
Jan. 14, 2019, 8 p.m. 35.9 ppb (33) 8.4 ppb (8) N/A 27.0 ppb (25) N/A N/A 14.0 ppb (11) 0.48 ppb (5) 6.0 μg/m3 (5) 6.1 μg/m3 (25) 33.0
 
Jan. 14, 2019, 7 p.m. 23.7 ppb (22) 3.3 ppb (3) N/A 20.0 ppb (19) N/A N/A 18.0 ppb (14) 0.46 ppb (5) 3.0 μg/m3 (3) 5.0 μg/m3 (21) 22.0
 
Jan. 14, 2019, 6 p.m. 15.5 ppb (14) 1.2 ppb (1) N/A 14.0 ppb (13) N/A N/A 26.0 ppb (20) 0.31 ppb (3) 7.0 μg/m3 (6) 5.7 μg/m3 (24) 24.0
 
Jan. 14, 2019, 5 p.m. 31.5 ppb (29) 7.2 ppb (7) N/A 24.0 ppb (22) N/A N/A 14.0 ppb (11) 0.41 ppb (5) 11.0 μg/m3 (10) 6.2 μg/m3 (26) 29.0
 
Jan. 14, 2019, 4 p.m. 46.7 ppb (43) 12.4 ppb (11) N/A 34.0 ppb (31) N/A N/A 5.0 ppb (4) 0.62 ppb (7) 19.0 μg/m3 (17) 3.0 μg/m3 (12) 43.0
 
Jan. 14, 2019, 3 p.m. 28.6 ppb (26) 4.0 ppb (4) N/A 25.0 ppb (23) N/A N/A 15.0 ppb (12) 0.5 ppb (6) 9.0 μg/m3 (8) 1.7 μg/m3 (7) 26.0
 
Jan. 14, 2019, 2 p.m. 14.4 ppb (13) 1.1 ppb (1) N/A 13.0 ppb (12) N/A N/A 27.0 ppb (21) 0.32 ppb (4) 6.0 μg/m3 (5) 2.8 μg/m3 (12) 21.0
 
Jan. 14, 2019, 1 p.m. 11.9 ppb (11) 1.1 ppb (1) N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) 0.28 ppb (3) 2.0 μg/m3 (2) 2.4 μg/m3 (10) 22.0
 
Jan. 14, 2019, noon 9.9 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.24 ppb (3) 6.0 μg/m3 (5) 2.8 μg/m3 (12) 23.0
 
Jan. 14, 2019, 11 a.m. 7.8 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) 0.23 ppb (3) 11.0 μg/m3 (10) 5.9 μg/m3 (25) 25.0
 
Jan. 14, 2019, 10 a.m. 23.7 ppb (22) 2.0 ppb (2) N/A 22.0 ppb (20) N/A N/A 9.0 ppb (7) 0.43 ppb (5) 9.0 μg/m3 (8) 6.2 μg/m3 (26) 26.0
 
Jan. 14, 2019, 9 a.m. 23.5 ppb (22) 1.9 ppb (2) N/A 22.0 ppb (20) N/A N/A 9.0 ppb (7) 0.44 ppb (5) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 22.0
 
Jan. 14, 2019, 8 a.m. 26.6 ppb (25) 2.4 ppb (2) N/A 24.0 ppb (22) N/A N/A 6.0 ppb (5) 0.51 ppb (6) 17.0 μg/m3 (15) 15.0 μg/m3 (56) 56.0
 
Jan. 14, 2019, 7 a.m. 25.9 ppb (24) 2.3 ppb (2) N/A 24.0 ppb (22) N/A N/A 9.0 ppb (7) 0.6 ppb (7) 14.0 μg/m3 (13) 8.1 μg/m3 (34) 34.0
 
Jan. 14, 2019, 6 a.m. 24.8 ppb (23) 2.2 ppb (2) N/A 23.0 ppb (21) N/A N/A 9.0 ppb (7) 0.62 ppb (7) 25.0 μg/m3 (23) 10.6 μg/m3 (44) 44.0
 
Jan. 14, 2019, 5 a.m. 49.9 ppb (46) 17.2 ppb (16) N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) 1.02 ppb (11) 33.0 μg/m3 (30) 28.9 μg/m3 (86) 86.0
 
Jan. 14, 2019, 4 a.m. 50.8 ppb (47) 17.7 ppb (16) N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) 0.98 ppb (11) 34.0 μg/m3 (31) 27.8 μg/m3 (84) 84.0
 
Jan. 14, 2019, 3 a.m. 38.9 ppb (36) 7.2 ppb (7) N/A 32.0 ppb (30) N/A N/A 6.0 ppb (5) 0.81 ppb (9) 23.0 μg/m3 (21) 18.1 μg/m3 (63) 63.0
 
Jan. 14, 2019, 2 a.m. 23.4 ppb (22) 1.6 ppb (1) N/A 22.0 ppb (20) N/A N/A 18.0 ppb (14) 0.55 ppb (6) 11.0 μg/m3 (10) 5.6 μg/m3 (23) 23.0
 
Jan. 14, 2019, 1 a.m. 15.3 ppb (14) 0.7 ppb (1) N/A 15.0 ppb (14) N/A N/A 28.0 ppb (22) 0.39 ppb (4) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 22.0
 
Jan. 14, 2019, midnight 10.1 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 36.0 ppb (28) 0.3 ppb (3) 11.0 μg/m3 (10) 1.3 μg/m3 (5) 28.0
 
Jan. 13, 2019, 11 p.m. 5.9 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) 0.23 ppb (3) 7.0 μg/m3 (6) 0.8 μg/m3 (3) 32.0
 
Jan. 13, 2019, 10 p.m. 5.9 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) 0.25 ppb (3) 5.0 μg/m3 (5) 2.2 μg/m3 (9) 32.0
 
Jan. 13, 2019, 9 p.m. 6.4 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) 0.25 ppb (3) 7.0 μg/m3 (6) 2.9 μg/m3 (12) 32.0
 
Jan. 13, 2019, 8 p.m. 8.9 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 38.0 ppb (29) 0.3 ppb (3) 7.0 μg/m3 (6) 1.7 μg/m3 (7) 29.0
 
Jan. 13, 2019, 7 p.m. 11.1 ppb (10) 2.8 ppb (3) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) 0.32 ppb (4) 9.0 μg/m3 (8) 2.4 μg/m3 (10) 25.0
 
Jan. 13, 2019, 6 p.m. 16.2 ppb (15) 5.7 ppb (5) N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) 0.35 ppb (4) 8.0 μg/m3 (7) 5.4 μg/m3 (23) 23.0
 
Jan. 13, 2019, 5 p.m. 20.5 ppb (19) 7.6 ppb (7) N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) 0.41 ppb (5) 10.0 μg/m3 (9) 11.5 μg/m3 (48) 48.0
 
Jan. 13, 2019, 4 p.m. 24.4 ppb (23) 8.3 ppb (8) N/A 16.0 ppb (15) N/A N/A 12.0 ppb (9) 0.45 ppb (5) 12.0 μg/m3 (11) 13.8 μg/m3 (54) 54.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 11.5 μg/m3 (48) 48.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 12.3 μg/m3 (51) 51.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 14.5 μg/m3 (55) 55.0
 
Jan. 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 14.7 μg/m3 (56) 56.0
 
Jan. 13, 2019, 5 a.m. 33.1 ppb (31) 7.0 ppb (6) N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) 0.79 ppb (9) 18.0 μg/m3 (16) 16.7 μg/m3 (60) 60.0
 
Jan. 13, 2019, 4 a.m. 36.2 ppb (34) 6.4 ppb (6) N/A 30.0 ppb (28) N/A N/A 3.0 ppb (2) 0.76 ppb (8) 22.0 μg/m3 (20) 15.5 μg/m3 (57) 57.0
 
Jan. 13, 2019, 3 a.m. 30.1 ppb (28) 3.4 ppb (3) N/A 27.0 ppb (25) N/A N/A 10.0 ppb (8) 0.7 ppb (8) 22.0 μg/m3 (20) 8.1 μg/m3 (34) 34.0
 
Jan. 13, 2019, 2 a.m. 25.7 ppb (24) 2.1 ppb (2) N/A 24.0 ppb (22) N/A N/A 14.0 ppb (11) 0.59 ppb (7) 14.0 μg/m3 (13) 6.1 μg/m3 (25) 25.0
 
Jan. 13, 2019, 1 a.m. 12.2 ppb (11) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 30.0 ppb (23) 0.36 ppb (4) 5.0 μg/m3 (5) 6.4 μg/m3 (27) 27.0
 
Jan. 13, 2019, midnight 13.6 ppb (13) 0.9 ppb (1) N/A 13.0 ppb (12) N/A N/A 29.0 ppb (22) 0.37 ppb (4) 0.0 μg/m3 (0) 2.7 μg/m3 (11) 22.0
 
Jan. 12, 2019, 11 p.m. 11.7 ppb (11) 2.3 ppb (2) N/A 9.0 ppb (8) N/A N/A 37.0 ppb (28) 0.34 ppb (4) -1.0 μg/m3 (0) -1.2 μg/m3 (0) 28.0
 
Jan. 12, 2019, 10 p.m. 9.8 ppb (9) 2.3 ppb (2) N/A 7.0 ppb (6) N/A N/A 37.0 ppb (28) 0.26 ppb (3) 4.0 μg/m3 (4) -0.2 μg/m3 (0) 28.0
 
Jan. 12, 2019, 9 p.m. 12.2 ppb (11) 3.3 ppb (3) N/A 9.0 ppb (8) N/A N/A 35.0 ppb (27) 0.27 ppb (3) 7.0 μg/m3 (6) 3.4 μg/m3 (14) 27.0
 
Jan. 12, 2019, 8 p.m. 13.3 ppb (12) 3.5 ppb (3) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) 0.29 ppb (3) 7.0 μg/m3 (6) 4.9 μg/m3 (20) 24.0
 
Jan. 12, 2019, 7 p.m. 22.5 ppb (21) 3.9 ppb (4) N/A 19.0 ppb (18) N/A N/A 20.0 ppb (15) 0.44 ppb (5) 3.0 μg/m3 (3) 2.7 μg/m3 (11) 21.0
 
Jan. 12, 2019, 6 p.m. 18.5 ppb (17) 4.5 ppb (4) N/A 14.0 ppb (13) N/A N/A 25.0 ppb (19) 0.28 ppb (3) 1.0 μg/m3 (1) 2.5 μg/m3 (10) 19.0
 
Jan. 12, 2019, 5 p.m. 28.7 ppb (27) 11.3 ppb (10) N/A 17.0 ppb (16) N/A N/A 24.0 ppb (18) 0.3 ppb (3) -1.0 μg/m3 (0) 0.8 μg/m3 (3) 27.0
 
Jan. 12, 2019, 4 p.m. 12.0 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) 0.28 ppb (3) -2.0 μg/m3 (0) -1.4 μg/m3 (0) 22.0
 
Jan. 12, 2019, 3 p.m. 12.1 ppb (11) 1.1 ppb (1) N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) 0.26 ppb (3) -1.0 μg/m3 (0) -1.9 μg/m3 (0) 22.0
 
Jan. 12, 2019, 2 p.m. 11.3 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) 0.26 ppb (3) 3.0 μg/m3 (3) -1.6 μg/m3 (0) 22.0
 
Jan. 12, 2019, 1 p.m. 9.6 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) 0.23 ppb (3) 2.0 μg/m3 (2) -0.7 μg/m3 (0) 24.0
 
Jan. 12, 2019, noon 6.9 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) 0.21 ppb (2) 1.0 μg/m3 (1) 0.6 μg/m3 (2) 27.0
 
Jan. 12, 2019, 11 a.m. 7.0 ppb (6) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) 0.24 ppb (3) 4.0 μg/m3 (4) 1.6 μg/m3 (7) 28.0
 
Jan. 12, 2019, 10 a.m. 11.1 ppb (10) 1.4 ppb (1) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.47 ppb (5) 18.0 μg/m3 (16) 16.9 μg/m3 (60) 60.0
 
Jan. 12, 2019, 9 a.m. 28.1 ppb (26) 2.6 ppb (2) N/A 26.0 ppb (24) N/A N/A 6.0 ppb (5) 0.65 ppb (7) 27.0 μg/m3 (25) 17.1 μg/m3 (61) 61.0
 
Jan. 12, 2019, 8 a.m. 32.9 ppb (30) 4.0 ppb (4) N/A 29.0 ppb (27) N/A N/A 2.0 ppb (2) 0.72 ppb (8) 28.0 μg/m3 (25) 17.8 μg/m3 (62) 62.0
 
Jan. 12, 2019, 7 a.m. 41.1 ppb (38) 11.0 ppb (10) N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) 0.82 ppb (9) 29.0 μg/m3 (26) 22.9 μg/m3 (73) 73.0
 
Jan. 12, 2019, 6 a.m. 46.9 ppb (43) 14.7 ppb (14) N/A 32.0 ppb (30) N/A N/A 0.0 ppb (0) 0.8 ppb (9) 32.0 μg/m3 (29) 21.6 μg/m3 (70) 70.0
 
Jan. 12, 2019, 5 a.m. 38.1 ppb (35) 5.8 ppb (5) N/A 32.0 ppb (30) N/A N/A 4.0 ppb (3) 0.74 ppb (8) 32.0 μg/m3 (29) 19.1 μg/m3 (65) 65.0
 
Jan. 12, 2019, 4 a.m. 36.5 ppb (34) 4.4 ppb (4) N/A 32.0 ppb (30) N/A N/A 5.0 ppb (4) 0.73 ppb (8) 31.0 μg/m3 (28) 20.8 μg/m3 (69) 69.0
 
Jan. 12, 2019, 3 a.m. 20.7 ppb (19) 2.0 ppb (2) N/A 19.0 ppb (18) N/A N/A 18.0 ppb (14) 0.59 ppb (7) 22.0 μg/m3 (20) 13.8 μg/m3 (54) 54.0
 
Jan. 12, 2019, 2 a.m. 15.4 ppb (14) 0.8 ppb (1) N/A 15.0 ppb (14) N/A N/A 24.0 ppb (18) 0.41 ppb (5) 20.0 μg/m3 (18) 13.0 μg/m3 (52) 52.0
 
Jan. 12, 2019, 1 a.m. 14.4 ppb (13) 0.8 ppb (1) N/A 14.0 ppb (13) N/A N/A 26.0 ppb (20) 0.39 ppb (4) 23.0 μg/m3 (21) 9.4 μg/m3 (39) 39.0
 
Jan. 12, 2019, midnight 12.6 ppb (12) 1.1 ppb (1) N/A 12.0 ppb (11) N/A N/A 30.0 ppb (23) 0.34 ppb (4) 12.0 μg/m3 (11) 9.3 μg/m3 (39) 39.0
 
Jan. 11, 2019, 11 p.m. 11.7 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A N/A 35.0 ppb (27) 0.33 ppb (4) 23.0 μg/m3 (21) 11.5 μg/m3 (48) 48.0
 
Jan. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 20.0 μg/m3 (67) 67.0
 
Jan. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 22.0 μg/m3 (71) 71.0
 
Jan. 11, 2019, 8 p.m. 33.8 ppb (31) 12.5 ppb (12) N/A 21.0 ppb (19) N/A N/A 17.0 ppb (13) 0.57 ppb (6) 54.0 μg/m3 (49) 31.1 μg/m3 (91) 91.0
 
Jan. 11, 2019, 7 p.m. 29.0 ppb (27) 10.9 ppb (10) N/A 18.0 ppb (17) N/A N/A 16.0 ppb (12) 0.55 ppb (6) 40.0 μg/m3 (36) 31.1 μg/m3 (91) 91.0
 
Jan. 11, 2019, 6 p.m. 23.2 ppb (21) 7.8 ppb (7) N/A 15.0 ppb (14) N/A N/A 14.0 ppb (11) 0.51 ppb (6) 39.0 μg/m3 (35) 31.0 μg/m3 (90) 90.0
 
Jan. 11, 2019, 5 p.m. 25.9 ppb (24) 9.0 ppb (8) N/A 17.0 ppb (16) N/A N/A 10.0 ppb (8) 0.5 ppb (6) 41.0 μg/m3 (37) 30.1 μg/m3 (89) 89.0
 
Jan. 11, 2019, 4 p.m. 36.7 ppb (34) 15.4 ppb (14) N/A 21.0 ppb (19) N/A N/A 4.0 ppb (3) 0.58 ppb (6) 34.0 μg/m3 (31) 27.4 μg/m3 (83) 83.0
 
Jan. 11, 2019, 3 p.m. 31.9 ppb (30) 9.1 ppb (8) N/A 23.0 ppb (21) N/A N/A 2.0 ppb (2) 0.61 ppb (7) 37.0 μg/m3 (34) 33.5 μg/m3 (96) 96.0
 
Jan. 11, 2019, 2 p.m. 23.8 ppb (22) 2.5 ppb (2) N/A 21.0 ppb (19) N/A N/A 3.0 ppb (2) 0.45 ppb (5) 45.0 μg/m3 (41) 26.9 μg/m3 (82) 82.0
 
Jan. 11, 2019, 1 p.m. 20.2 ppb (19) 2.7 ppb (3) N/A 17.0 ppb (16) N/A N/A 6.0 ppb (5) 0.41 ppb (5) 27.0 μg/m3 (25) 30.1 μg/m3 (89) 89.0
 
Jan. 11, 2019, noon 18.7 ppb (17) 2.1 ppb (2) N/A 17.0 ppb (16) N/A N/A 7.0 ppb (5) 0.37 ppb (4) 29.0 μg/m3 (26) 25.9 μg/m3 (80) 80.0
 
Jan. 11, 2019, 11 a.m. 16.8 ppb (16) 1.8 ppb (2) N/A 15.0 ppb (14) N/A N/A 9.0 ppb (7) 0.35 ppb (4) 21.0 μg/m3 (19) 20.4 μg/m3 (68) 68.0
 
Jan. 11, 2019, 10 a.m. 14.8 ppb (14) 1.2 ppb (1) N/A 14.0 ppb (13) N/A N/A 13.0 ppb (10) 0.35 ppb (4) 33.0 μg/m3 (30) 25.0 μg/m3 (78) 78.0
 
Jan. 11, 2019, 9 a.m. 10.4 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) 0.32 ppb (4) 29.0 μg/m3 (26) 16.4 μg/m3 (59) 59.0
 
Jan. 11, 2019, 8 a.m. 10.3 ppb (10) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) 0.31 ppb (3) 27.0 μg/m3 (25) 16.9 μg/m3 (60) 60.0
 
Jan. 11, 2019, 7 a.m. 19.9 ppb (18) 1.7 ppb (2) N/A 18.0 ppb (17) N/A N/A 12.0 ppb (9) 0.44 ppb (5) 31.0 μg/m3 (28) 21.1 μg/m3 (69) 69.0
 
Jan. 11, 2019, 6 a.m. 30.6 ppb (28) 3.6 ppb (3) N/A 27.0 ppb (25) N/A N/A 4.0 ppb (3) 0.58 ppb (6) 22.0 μg/m3 (20) 15.0 μg/m3 (56) 56.0
 
Jan. 11, 2019, 5 a.m. 42.0 ppb (39) 10.4 ppb (10) N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) 0.68 ppb (8) 26.0 μg/m3 (24) 9.9 μg/m3 (41) 41.0
 
Jan. 11, 2019, 4 a.m. 29.5 ppb (27) 2.0 ppb (2) N/A 27.0 ppb (25) N/A N/A 6.0 ppb (5) 0.55 ppb (6) 18.0 μg/m3 (16) 6.2 μg/m3 (26) 27.0
 
Jan. 11, 2019, 3 a.m. 23.2 ppb (21) 1.1 ppb (1) N/A 22.0 ppb (20) N/A N/A 12.0 ppb (9) 0.5 ppb (6) 20.0 μg/m3 (18) 4.2 μg/m3 (18) 21.0
 
Jan. 11, 2019, 2 a.m. 16.7 ppb (15) 0.8 ppb (1) N/A 16.0 ppb (15) N/A N/A 21.0 ppb (16) 0.38 ppb (4) 6.0 μg/m3 (5) 2.5 μg/m3 (10) 16.0
 
Jan. 11, 2019, 1 a.m. 10.9 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) 0.28 ppb (3) 8.0 μg/m3 (7) 2.9 μg/m3 (12) 22.0
 
Jan. 11, 2019, midnight 13.2 ppb (12) 1.3 ppb (1) N/A 12.0 ppb (11) N/A N/A 30.0 ppb (23) 0.28 ppb (3) 12.0 μg/m3 (11) 7.3 μg/m3 (30) 30.0
 
Jan. 10, 2019, 11 p.m. 16.1 ppb (15) 3.0 ppb (3) N/A 13.0 ppb (12) N/A N/A 30.0 ppb (23) 0.27 ppb (3) 11.0 μg/m3 (10) 11.2 μg/m3 (47) 47.0
 
Jan. 10, 2019, 10 p.m. 27.5 ppb (25) 8.0 ppb (7) N/A 19.0 ppb (18) N/A N/A 24.0 ppb (18) 0.38 ppb (4) 26.0 μg/m3 (24) 14.9 μg/m3 (56) 56.0
 
Jan. 10, 2019, 9 p.m. 21.9 ppb (20) 8.1 ppb (8) N/A 14.0 ppb (13) N/A N/A 29.0 ppb (22) 0.4 ppb (4) 27.0 μg/m3 (25) 17.4 μg/m3 (61) 61.0
 
Jan. 10, 2019, 8 p.m. 26.9 ppb (25) 10.0 ppb (9) N/A 17.0 ppb (16) N/A N/A 25.0 ppb (19) 0.41 ppb (5) 32.0 μg/m3 (29) 18.8 μg/m3 (64) 64.0
 
Jan. 10, 2019, 7 p.m. 23.2 ppb (21) 7.5 ppb (7) N/A 16.0 ppb (15) N/A N/A 25.0 ppb (19) 0.37 ppb (4) 26.0 μg/m3 (24) 12.5 μg/m3 (51) 51.0
 
Jan. 10, 2019, 6 p.m. 22.5 ppb (21) 7.4 ppb (7) N/A 15.0 ppb (14) N/A N/A 23.0 ppb (18) 0.36 ppb (4) 30.0 μg/m3 (27) 12.9 μg/m3 (52) 52.0
 
Jan. 10, 2019, 5 p.m. 38.9 ppb (36) 17.0 ppb (16) N/A 22.0 ppb (20) N/A N/A 14.0 ppb (11) 0.5 ppb (6) 32.0 μg/m3 (29) 15.6 μg/m3 (58) 58.0
 
Jan. 10, 2019, 4 p.m. 79.8 ppb (77) 51.0 ppb (47) N/A 29.0 ppb (27) N/A N/A 2.0 ppb (2) 0.86 ppb (10) 47.0 μg/m3 (43) 25.8 μg/m3 (79) 79.0
 
Jan. 10, 2019, 3 p.m. 112.1 ppb (102) 82.4 ppb (80) N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 1.08 ppb (12) 48.0 μg/m3 (44) 20.6 μg/m3 (68) 102.0
 
Jan. 10, 2019, 2 p.m. 102.8 ppb (100) 73.1 ppb (70) N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 0.98 ppb (11) 34.0 μg/m3 (31) 17.0 μg/m3 (61) 100.0
 
Jan. 10, 2019, 1 p.m. 80.8 ppb (79) 52.2 ppb (48) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 0.82 ppb (9) 24.0 μg/m3 (22) 17.9 μg/m3 (63) 79.0
 
Jan. 10, 2019, noon 67.6 ppb (64) 40.1 ppb (37) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 0.71 ppb (8) 24.0 μg/m3 (22) 18.1 μg/m3 (63) 64.0
 
Jan. 10, 2019, 11 a.m. 51.4 ppb (48) 22.3 ppb (21) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 0.64 ppb (7) 24.0 μg/m3 (22) 18.6 μg/m3 (64) 64.0
 
Jan. 10, 2019, 10 a.m. 49.7 ppb (46) 21.2 ppb (20) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 0.86 ppb (10) 33.0 μg/m3 (30) 19.3 μg/m3 (66) 66.0
 
Jan. 10, 2019, 9 a.m. 60.4 ppb (57) 29.6 ppb (27) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.9 ppb (10) 42.0 μg/m3 (38) 22.6 μg/m3 (73) 73.0
 
Jan. 10, 2019, 8 a.m. 54.1 ppb (50) 23.0 ppb (21) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.88 ppb (10) 25.0 μg/m3 (23) 26.0 μg/m3 (80) 80.0
 
Jan. 10, 2019, 7 a.m. 50.1 ppb (46) 15.2 ppb (14) N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) 0.74 ppb (8) 31.0 μg/m3 (28) 24.7 μg/m3 (77) 77.0
 
Jan. 10, 2019, 6 a.m. 57.4 ppb (54) 20.0 ppb (19) N/A 37.0 ppb (34) N/A N/A 0.0 ppb (0) 0.84 ppb (9) 32.0 μg/m3 (29) 20.4 μg/m3 (68) 68.0
 
Jan. 10, 2019, 5 a.m. 44.9 ppb (42) 9.8 ppb (9) N/A 35.0 ppb (32) N/A N/A 1.0 ppb (1) 0.81 ppb (9) 36.0 μg/m3 (33) 20.4 μg/m3 (68) 68.0
 
Jan. 10, 2019, 4 a.m. 42.1 ppb (39) 5.4 ppb (5) N/A 37.0 ppb (34) N/A N/A 3.0 ppb (2) 0.75 ppb (8) 35.0 μg/m3 (32) 21.3 μg/m3 (70) 70.0
 
Jan. 10, 2019, 3 a.m. 33.1 ppb (31) 2.2 ppb (2) N/A 31.0 ppb (29) N/A N/A 12.0 ppb (9) 0.63 ppb (7) 38.0 μg/m3 (35) 19.3 μg/m3 (66) 66.0
 
Jan. 10, 2019, 2 a.m. 30.6 ppb (28) 2.4 ppb (2) N/A 28.0 ppb (26) N/A N/A 13.0 ppb (10) 0.61 ppb (7) 23.0 μg/m3 (21) 17.6 μg/m3 (62) 62.0
 
Jan. 10, 2019, 1 a.m. 20.0 ppb (19) 1.2 ppb (1) N/A 19.0 ppb (18) N/A N/A 28.0 ppb (22) 0.42 ppb (5) 20.0 μg/m3 (18) 18.5 μg/m3 (64) 64.0
 
Jan. 10, 2019, midnight 23.1 ppb (21) 2.2 ppb (2) N/A 21.0 ppb (19) N/A N/A 28.0 ppb (22) 0.43 ppb (5) 23.0 μg/m3 (21) 14.2 μg/m3 (55) 55.0
 
Jan. 9, 2019, 11 p.m. 36.8 ppb (34) 7.4 ppb (7) N/A 29.0 ppb (27) N/A N/A 21.0 ppb (16) 0.53 ppb (6) 38.0 μg/m3 (35) 23.0 μg/m3 (73) 73.0
 
Jan. 9, 2019, 10 p.m. 32.4 ppb (30) 9.2 ppb (9) N/A 23.0 ppb (21) N/A N/A 24.0 ppb (18) 0.42 ppb (5) 31.0 μg/m3 (28) 17.8 μg/m3 (62) 62.0
 
Jan. 9, 2019, 9 p.m. 19.0 ppb (18) 4.7 ppb (4) N/A 14.0 ppb (13) N/A N/A 34.0 ppb (26) 0.39 ppb (4) 23.0 μg/m3 (21) 7.6 μg/m3 (32) 32.0
 
Jan. 9, 2019, 8 p.m. 19.5 ppb (18) 5.3 ppb (5) N/A 14.0 ppb (13) N/A N/A 31.0 ppb (24) 0.36 ppb (4) 24.0 μg/m3 (22) 10.5 μg/m3 (44) 44.0
 
Jan. 9, 2019, 7 p.m. 20.8 ppb (19) 6.2 ppb (6) N/A 15.0 ppb (14) N/A N/A 29.0 ppb (22) 0.36 ppb (4) 26.0 μg/m3 (24) 13.2 μg/m3 (53) 53.0
 
Jan. 9, 2019, 6 p.m. 26.4 ppb (24) 9.3 ppb (9) N/A 17.0 ppb (16) N/A N/A 22.0 ppb (17) 0.41 ppb (5) 23.0 μg/m3 (21) 16.9 μg/m3 (60) 60.0
 
Jan. 9, 2019, 5 p.m. 54.5 ppb (51) 28.7 ppb (27) N/A 26.0 ppb (24) N/A N/A 11.0 ppb (8) 0.66 ppb (7) 40.0 μg/m3 (36) 20.5 μg/m3 (68) 68.0
 
Jan. 9, 2019, 4 p.m. 126.0 ppb (105) 93.4 ppb (92) N/A 33.0 ppb (31) N/A N/A 2.0 ppb (2) 1.22 ppb (14) 52.0 μg/m3 (47) 23.5 μg/m3 (74) 105.0
 
Jan. 9, 2019, 3 p.m. 143.3 ppb (108) 110.9 ppb (102) N/A 32.0 ppb (30) N/A N/A 0.0 ppb (0) 1.44 ppb (16) 36.0 μg/m3 (33) 10.1 μg/m3 (42) 108.0
 
Jan. 9, 2019, 2 p.m. 117.7 ppb (103) 90.1 ppb (88) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 1.15 ppb (13) 23.0 μg/m3 (21) 7.9 μg/m3 (33) 103.0
 
Jan. 9, 2019, 1 p.m. 79.1 ppb (77) 52.9 ppb (49) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 0.86 ppb (10) 14.0 μg/m3 (13) 5.7 μg/m3 (24) 77.0
 
Jan. 9, 2019, noon 61.3 ppb (58) 34.1 ppb (32) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.61 ppb (7) 15.0 μg/m3 (14) 5.4 μg/m3 (23) 58.0
 
Jan. 9, 2019, 11 a.m. 59.7 ppb (56) 32.4 ppb (30) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.51 ppb (6) 11.0 μg/m3 (10) 4.5 μg/m3 (19) 56.0
 
Jan. 9, 2019, 10 a.m. 57.8 ppb (54) 29.7 ppb (28) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 0.59 ppb (7) 13.0 μg/m3 (12) 5.9 μg/m3 (25) 54.0
 
Jan. 9, 2019, 9 a.m. 66.6 ppb (63) 35.0 ppb (32) N/A 32.0 ppb (30) N/A N/A 0.0 ppb (0) 0.74 ppb (8) 15.0 μg/m3 (14) 8.9 μg/m3 (37) 63.0
 
Jan. 9, 2019, 8 a.m. 71.3 ppb (68) 39.9 ppb (37) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.81 ppb (9) 20.0 μg/m3 (18) 11.3 μg/m3 (47) 68.0
 
Jan. 9, 2019, 7 a.m. 98.6 ppb (97) 62.3 ppb (59) N/A 36.0 ppb (33) N/A N/A 0.0 ppb (0) 1.15 ppb (13) 26.0 μg/m3 (24) 16.5 μg/m3 (60) 97.0
 
Jan. 9, 2019, 6 a.m. 91.0 ppb (89) 53.9 ppb (50) N/A 37.0 ppb (34) N/A N/A 1.0 ppb (1) 1.15 ppb (13) 29.0 μg/m3 (26) 15.5 μg/m3 (57) 89.0
 
Jan. 9, 2019, 5 a.m. 52.2 ppb (48) 13.0 ppb (12) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.79 ppb (9) 21.0 μg/m3 (19) 12.3 μg/m3 (51) 51.0
 
Jan. 9, 2019, 4 a.m. 59.1 ppb (55) 19.4 ppb (18) N/A 40.0 ppb (37) N/A N/A 0.0 ppb (0) 0.81 ppb (9) 31.0 μg/m3 (28) 10.8 μg/m3 (45) 55.0
 
Jan. 9, 2019, 3 a.m. 42.2 ppb (39) 6.5 ppb (6) N/A 36.0 ppb (33) N/A N/A 5.0 ppb (4) 0.71 ppb (8) 15.0 μg/m3 (14) 8.6 μg/m3 (36) 39.0
 
Jan. 9, 2019, 2 a.m. 28.4 ppb (26) 1.7 ppb (2) N/A 27.0 ppb (25) N/A N/A 16.0 ppb (12) 0.53 ppb (6) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 26.0
 
Jan. 9, 2019, 1 a.m. 22.5 ppb (21) 1.0 ppb (1) N/A 22.0 ppb (20) N/A N/A 22.0 ppb (17) 0.44 ppb (5) 15.0 μg/m3 (14) 2.0 μg/m3 (8) 21.0
 
Jan. 9, 2019, midnight 16.6 ppb (15) 1.5 ppb (1) N/A 15.0 ppb (14) N/A N/A 31.0 ppb (24) 0.32 ppb (4) 6.0 μg/m3 (5) -0.9 μg/m3 (0) 24.0
 
Jan. 8, 2019, 11 p.m. 11.6 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A N/A 37.0 ppb (28) 0.28 ppb (3) 5.0 μg/m3 (5) -0.4 μg/m3 (0) 28.0