AQSQID: 060771002

Site Name: Stockton - Hazelton Street

Location: Stockton, CA

Reporting: True, Located: True

Current AQI: 104.0

Stockton CA, US: 37.9508, -121.2675

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 19, 2019, 5 a.m. 120.5 ppb (104) 69.9 ppb (67) N/A 51.0 ppb (47) N/A N/A 0.0 ppb (0) 1.07 ppb (12) N/A 34.0 μg/m3 (97) 104.0
 
Nov. 19, 2019, 4 a.m. 105.5 ppb (101) 51.3 ppb (48) N/A 54.0 ppb (50) N/A N/A 1.0 ppb (1) 1.21 ppb (13) N/A 46.0 μg/m3 (126) 126.0
 
Nov. 19, 2019, 3 a.m. 85.4 ppb (83) 27.5 ppb (25) N/A 58.0 ppb (54) N/A N/A 1.0 ppb (1) 1.07 ppb (12) N/A 31.0 μg/m3 (90) 90.0
 
Nov. 19, 2019, 2 a.m. 86.6 ppb (85) 28.3 ppb (26) N/A 58.0 ppb (54) N/A N/A 2.0 ppb (2) 1.09 ppb (12) N/A 40.0 μg/m3 (111) 111.0
 
Nov. 19, 2019, 1 a.m. 58.9 ppb (55) 7.0 ppb (6) N/A N/A N/A N/A 9.0 ppb (7) 0.85 ppb (9) N/A 28.0 μg/m3 (84) 84.0
 
Nov. 19, 2019, midnight 23.3 ppb (22) 1.6 ppb (1) N/A 22.0 ppb (20) N/A N/A 42.0 ppb (32) 0.37 ppb (4) N/A 21.0 μg/m3 (69) 69.0
 
Nov. 18, 2019, 11 p.m. 12.7 ppb (12) 0.7 ppb (1) N/A 12.0 ppb (11) N/A N/A 54.0 ppb (42) 0.28 ppb (3) N/A N/A 42.0
 
Nov. 18, 2019, 10 p.m. 11.7 ppb (11) 1.2 ppb (1) N/A 11.0 ppb (10) N/A N/A 56.0 ppb (43) 0.26 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
Nov. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (73) 73.0
 
Nov. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (109) 109.0
 
Nov. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (106) 106.0
 
Nov. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (93) 93.0
 
Nov. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (101) 101.0
 
Nov. 18, 2019, 4 p.m. 148.1 ppb (109) 102.9 ppb (100) N/A 45.0 ppb (42) N/A N/A 2.0 ppb (2) 1.27 ppb (14) N/A 47.0 μg/m3 (129) 129.0
 
Nov. 18, 2019, 3 p.m. 112.4 ppb (102) 81.6 ppb (79) N/A 31.0 ppb (29) N/A N/A 1.0 ppb (1) 1.07 ppb (12) N/A 43.0 μg/m3 (119) 119.0
 
Nov. 18, 2019, 2 p.m. 87.9 ppb (86) 59.8 ppb (56) N/A 28.0 ppb (26) N/A N/A 2.0 ppb (2) 0.9 ppb (10) N/A 35.0 μg/m3 (99) 99.0
 
Nov. 18, 2019, 1 p.m. 43.2 ppb (40) 15.9 ppb (15) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) 0.45 ppb (5) N/A 27.0 μg/m3 (82) 82.0
 
Nov. 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (82) 82.0
 
Nov. 18, 2019, 11 a.m. 35.8 ppb (33) 8.4 ppb (8) N/A 27.0 ppb (25) N/A N/A 1.0 ppb (1) 0.34 ppb (4) N/A 32.0 μg/m3 (93) 93.0
 
Nov. 18, 2019, 10 a.m. 33.4 ppb (31) 6.0 ppb (6) N/A 27.0 ppb (25) N/A N/A 4.0 ppb (3) 0.26 ppb (3) N/A 45.0 μg/m3 (124) 124.0
 
Nov. 18, 2019, 9 a.m. 53.9 ppb (50) 20.9 ppb (19) N/A 33.0 ppb (31) N/A N/A 3.0 ppb (2) 0.2 ppb (2) N/A 25.0 μg/m3 (78) 78.0
 
Nov. 18, 2019, 8 a.m. 43.2 ppb (40) 12.5 ppb (12) N/A 31.0 ppb (29) N/A N/A 7.0 ppb (5) 0.21 ppb (2) N/A 23.0 μg/m3 (73) 73.0
 
Nov. 18, 2019, 7 a.m. 61.9 ppb (58) 24.9 ppb (23) N/A 37.0 ppb (34) N/A N/A 3.0 ppb (2) 0.28 ppb (3) N/A 33.0 μg/m3 (95) 95.0
 
Nov. 18, 2019, 6 a.m. 79.3 ppb (77) 39.4 ppb (36) N/A 40.0 ppb (37) N/A N/A 0.0 ppb (0) 0.41 ppb (5) N/A 36.0 μg/m3 (101) 101.0
 
Nov. 18, 2019, 5 a.m. 93.2 ppb (92) 49.9 ppb (46) N/A 43.0 ppb (40) N/A N/A 0.0 ppb (0) 0.73 ppb (8) N/A 35.0 μg/m3 (99) 99.0
 
Nov. 18, 2019, 4 a.m. 96.6 ppb (95) 50.5 ppb (47) N/A 46.0 ppb (43) N/A N/A 1.0 ppb (1) 0.99 ppb (11) N/A 41.0 μg/m3 (114) 114.0
 
Nov. 18, 2019, 3 a.m. 85.0 ppb (83) 34.2 ppb (32) N/A 51.0 ppb (47) N/A N/A 1.0 ppb (1) 1.21 ppb (13) N/A 52.0 μg/m3 (141) 141.0
 
Nov. 18, 2019, 2 a.m. 76.6 ppb (74) 25.8 ppb (24) N/A 51.0 ppb (47) N/A N/A 1.0 ppb (1) 1.19 ppb (13) N/A 45.0 μg/m3 (124) 124.0
 
Nov. 18, 2019, 1 a.m. 45.2 ppb (42) 2.4 ppb (2) N/A 43.0 ppb (40) N/A N/A 12.0 ppb (9) 0.77 ppb (9) N/A 25.0 μg/m3 (78) 78.0
 
Nov. 18, 2019, midnight 14.2 ppb (13) 0.4 ppb (0) N/A 14.0 ppb (13) N/A N/A 48.0 ppb (37) 0.29 ppb (3) N/A 18.0 μg/m3 (63) 63.0
 
Nov. 17, 2019, 11 p.m. 9.4 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 56.0 ppb (43) 0.22 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
Nov. 17, 2019, 10 p.m. 9.7 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 57.0 ppb (44) 0.23 ppb (3) N/A 25.0 μg/m3 (78) 78.0
 
Nov. 17, 2019, 9 p.m. 11.4 ppb (11) 1.3 ppb (1) N/A 10.0 ppb (9) N/A N/A 53.0 ppb (41) 0.24 ppb (3) N/A 28.0 μg/m3 (84) 84.0
 
Nov. 17, 2019, 8 p.m. 12.5 ppb (12) 2.1 ppb (2) N/A 11.0 ppb (10) N/A N/A 48.0 ppb (37) 0.23 ppb (3) N/A 24.0 μg/m3 (76) 76.0
 
Nov. 17, 2019, 7 p.m. 20.1 ppb (19) 4.4 ppb (4) N/A 16.0 ppb (15) N/A N/A 35.0 ppb (27) 0.21 ppb (2) N/A 24.0 μg/m3 (76) 76.0
 
Nov. 17, 2019, 6 p.m. 23.3 ppb (22) 6.4 ppb (6) N/A 17.0 ppb (16) N/A N/A 27.0 ppb (21) 0.17 ppb (2) N/A 27.0 μg/m3 (82) 82.0
 
Nov. 17, 2019, 5 p.m. 20.6 ppb (19) 5.8 ppb (5) N/A 15.0 ppb (14) N/A N/A 21.0 ppb (16) 0.21 ppb (2) N/A 27.0 μg/m3 (82) 82.0
 
Nov. 17, 2019, 4 p.m. 30.7 ppb (28) 10.2 ppb (9) N/A 21.0 ppb (19) N/A N/A 12.0 ppb (9) 0.29 ppb (3) N/A 33.0 μg/m3 (95) 95.0
 
Nov. 17, 2019, 3 p.m. 34.7 ppb (32) 14.7 ppb (14) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (2) 0.36 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Nov. 17, 2019, 2 p.m. 16.7 ppb (15) 1.6 ppb (1) N/A 15.0 ppb (14) N/A N/A 4.0 ppb (3) 0.45 ppb (5) N/A 25.0 μg/m3 (78) 78.0
 
Nov. 17, 2019, 1 p.m. 12.3 ppb (11) 0.8 ppb (1) N/A 12.0 ppb (11) N/A N/A 7.0 ppb (5) 0.31 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
Nov. 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (67) 67.0
 
Nov. 17, 2019, 11 a.m. 26.2 ppb (24) 6.4 ppb (6) N/A 20.0 ppb (19) N/A N/A 2.0 ppb (2) 0.32 ppb (4) N/A 21.0 μg/m3 (69) 69.0
 
Nov. 17, 2019, 10 a.m. 33.6 ppb (31) 10.2 ppb (9) N/A 23.0 ppb (21) N/A N/A 1.0 ppb (1) 0.33 ppb (4) N/A 26.0 μg/m3 (80) 80.0
 
Nov. 17, 2019, 9 a.m. 37.6 ppb (35) 12.6 ppb (12) N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) 0.38 ppb (4) N/A 26.0 μg/m3 (80) 80.0
 
Nov. 17, 2019, 8 a.m. 38.1 ppb (35) 11.8 ppb (11) N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) 0.35 ppb (4) N/A 29.0 μg/m3 (86) 86.0
 
Nov. 17, 2019, 7 a.m. 53.2 ppb (49) 23.4 ppb (22) N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) 0.38 ppb (4) N/A 30.0 μg/m3 (88) 88.0
 
Nov. 17, 2019, 6 a.m. 81.6 ppb (79) 51.5 ppb (48) N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) 0.65 ppb (7) N/A 25.0 μg/m3 (78) 79.0
 
Nov. 17, 2019, 5 a.m. 102.7 ppb (100) 67.5 ppb (64) N/A 35.0 ppb (32) N/A N/A 1.0 ppb (1) 0.93 ppb (10) N/A 28.0 μg/m3 (84) 100.0
 
Nov. 17, 2019, 4 a.m. N/A 89.5 ppb (88) N/A 41.0 ppb (38) N/A N/A 1.0 ppb (1) 1.15 ppb (13) N/A 33.0 μg/m3 (95) 95.0
 
Nov. 17, 2019, 3 a.m. 68.8 ppb (66) 30.5 ppb (28) N/A 38.0 ppb (35) N/A N/A 1.0 ppb (1) 1.03 ppb (11) N/A 29.0 μg/m3 (86) 86.0
 
Nov. 17, 2019, 2 a.m. 49.9 ppb (46) 11.6 ppb (11) N/A 38.0 ppb (35) N/A N/A 1.0 ppb (1) 0.88 ppb (10) N/A 23.0 μg/m3 (73) 73.0
 
Nov. 17, 2019, 1 a.m. 29.4 ppb (27) 1.7 ppb (2) N/A 28.0 ppb (26) N/A N/A 14.0 ppb (11) 0.55 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
Nov. 17, 2019, midnight 15.9 ppb (15) 1.2 ppb (1) N/A 15.0 ppb (14) N/A N/A 30.0 ppb (23) 0.27 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 16, 2019, 11 p.m. 9.9 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 39.0 ppb (30) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 30.0
 
Nov. 16, 2019, 10 p.m. 10.3 ppb (10) 1.4 ppb (1) N/A 9.0 ppb (8) N/A N/A 40.0 ppb (31) 0.19 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 16, 2019, 9 p.m. 10.6 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (8) N/A N/A 38.0 ppb (29) 0.18 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 16, 2019, 8 p.m. 12.9 ppb (12) 2.8 ppb (3) N/A 10.0 ppb (9) N/A N/A 36.0 ppb (28) 0.2 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 16, 2019, 7 p.m. 13.3 ppb (12) 3.2 ppb (3) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) 0.21 ppb (2) N/A 17.0 μg/m3 (61) 61.0
 
Nov. 16, 2019, 6 p.m. 12.9 ppb (12) 3.5 ppb (3) N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) 0.19 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 16, 2019, 5 p.m. 21.1 ppb (20) 7.5 ppb (7) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 0.27 ppb (3) N/A 23.0 μg/m3 (73) 73.0
 
Nov. 16, 2019, 4 p.m. 44.0 ppb (41) 23.2 ppb (21) N/A 21.0 ppb (19) N/A N/A 8.0 ppb (6) 0.35 ppb (4) N/A 27.0 μg/m3 (82) 82.0
 
Nov. 16, 2019, 3 p.m. 26.3 ppb (24) 9.6 ppb (9) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) 0.38 ppb (4) N/A 21.0 μg/m3 (69) 69.0
 
Nov. 16, 2019, 2 p.m. 25.8 ppb (24) 7.7 ppb (7) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.38 ppb (4) N/A 19.0 μg/m3 (65) 65.0
 
Nov. 16, 2019, 1 p.m. 52.8 ppb (49) 33.0 ppb (31) N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) 0.42 ppb (5) N/A 15.0 μg/m3 (56) 56.0
 
Nov. 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Nov. 16, 2019, 11 a.m. 24.4 ppb (23) 7.6 ppb (7) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) 0.47 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 16, 2019, 10 a.m. 75.4 ppb (73) 53.9 ppb (50) N/A 21.0 ppb (19) N/A N/A 1.0 ppb (1) 0.52 ppb (6) N/A 19.0 μg/m3 (65) 73.0
 
Nov. 16, 2019, 9 a.m. 22.1 ppb (20) 7.3 ppb (7) N/A 15.0 ppb (14) N/A N/A 1.0 ppb (1) 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 16, 2019, 8 a.m. 19.3 ppb (18) 2.9 ppb (3) N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) 0.26 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 16, 2019, 7 a.m. 20.2 ppb (19) 5.0 ppb (5) N/A 15.0 ppb (14) N/A N/A 4.0 ppb (3) 0.24 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 16, 2019, 6 a.m. 14.1 ppb (13) 1.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 9.0 ppb (7) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 16, 2019, 5 a.m. 15.8 ppb (15) 1.9 ppb (2) N/A 14.0 ppb (13) N/A N/A 12.0 ppb (9) 0.21 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 16, 2019, 4 a.m. 18.0 ppb (17) 1.5 ppb (1) N/A 17.0 ppb (16) N/A N/A 16.0 ppb (12) 0.28 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 16, 2019, 3 a.m. 22.3 ppb (21) 1.7 ppb (2) N/A 21.0 ppb (19) N/A N/A 16.0 ppb (12) 0.34 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 16, 2019, 2 a.m. 30.4 ppb (28) 3.6 ppb (3) N/A 27.0 ppb (25) N/A N/A 10.0 ppb (8) 0.43 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 16, 2019, 1 a.m. 25.0 ppb (23) 2.4 ppb (2) N/A 23.0 ppb (21) N/A N/A 18.0 ppb (14) 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 16, 2019, midnight 15.2 ppb (14) 1.2 ppb (1) N/A 14.0 ppb (13) N/A N/A 29.0 ppb (22) 0.27 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 15, 2019, 11 p.m. 10.7 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A N/A 34.0 ppb (26) 0.19 ppb (2) N/A 6.0 μg/m3 (25) 26.0
 
Nov. 15, 2019, 10 p.m. 13.7 ppb (13) 3.3 ppb (3) N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 15, 2019, 9 p.m. 10.3 ppb (10) 2.4 ppb (2) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) 0.18 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Nov. 15, 2019, 8 p.m. 9.2 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 21.0
 
Nov. 15, 2019, 7 p.m. 9.8 ppb (9) 3.4 ppb (3) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 19.0
 
Nov. 15, 2019, 6 p.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
 
Nov. 15, 2019, 5 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
 
Nov. 15, 2019, 4 p.m. 49.5 ppb (46) 27.8 ppb (26) N/A 22.0 ppb (20) N/A N/A 12.0 ppb (9) 0.33 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 15, 2019, 3 p.m. 56.1 ppb (52) 31.1 ppb (29) N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) 0.43 ppb (5) N/A 9.0 μg/m3 (38) 52.0
 
Nov. 15, 2019, 2 p.m. 39.7 ppb (37) 13.9 ppb (13) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 0.34 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Nov. 15, 2019, 1 p.m. 34.7 ppb (32) 10.0 ppb (9) N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) 0.25 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 15, 2019, noon 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
 
Nov. 15, 2019, 11 a.m. 22.3 ppb (21) 4.3 ppb (4) N/A 18.0 ppb (17) N/A N/A 4.0 ppb (3) 0.2 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 15, 2019, 10 a.m. 14.4 ppb (13) 0.9 ppb (1) N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) 0.21 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 15, 2019, 9 a.m. 16.3 ppb (15) 1.4 ppb (1) N/A 15.0 ppb (14) N/A N/A 6.0 ppb (5) 0.19 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 15, 2019, 8 a.m. 15.3 ppb (14) 0.7 ppb (1) N/A 15.0 ppb (14) N/A N/A 7.0 ppb (5) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 15, 2019, 7 a.m. 16.8 ppb (16) 1.0 ppb (1) N/A 16.0 ppb (15) N/A N/A 8.0 ppb (6) 0.21 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 15, 2019, 6 a.m. 18.9 ppb (18) 1.1 ppb (1) N/A 18.0 ppb (17) N/A N/A 10.0 ppb (8) 0.22 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 15, 2019, 5 a.m. 20.4 ppb (19) 1.7 ppb (2) N/A 19.0 ppb (18) N/A N/A 12.0 ppb (9) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 15, 2019, 4 a.m. 20.7 ppb (19) 2.2 ppb (2) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (10) 0.28 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 15, 2019, 3 a.m. 19.4 ppb (18) 1.5 ppb (1) N/A 18.0 ppb (17) N/A N/A 15.0 ppb (12) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 15, 2019, 2 a.m. 15.1 ppb (14) 1.3 ppb (1) N/A 14.0 ppb (13) N/A N/A 20.0 ppb (15) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 15, 2019, 1 a.m. 16.3 ppb (15) 1.6 ppb (1) N/A 15.0 ppb (14) N/A N/A 21.0 ppb (16) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 15, 2019, midnight 14.1 ppb (13) 1.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) 0.21 ppb (2) N/A 4.0 μg/m3 (17) 19.0
 
Nov. 14, 2019, 11 p.m. 11.0 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A N/A 32.0 ppb (25) 0.16 ppb (2) N/A 5.0 μg/m3 (21) 25.0
 
Nov. 14, 2019, 10 p.m. 10.7 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (8) N/A N/A 36.0 ppb (28) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 14, 2019, 9 p.m. 11.0 ppb (10) 2.5 ppb (2) N/A 8.0 ppb (7) N/A N/A 40.0 ppb (31) 0.14 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 14, 2019, 8 p.m. 8.6 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 39.0 ppb (30) 0.13 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 14, 2019, 7 p.m. 9.5 ppb (9) 2.2 ppb (2) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) 0.14 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 14, 2019, 6 p.m. 10.7 ppb (10) 2.4 ppb (2) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) 0.16 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Nov. 14, 2019, 5 p.m. 15.5 ppb (14) 3.5 ppb (3) N/A 12.0 ppb (11) N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
Nov. 14, 2019, 4 p.m. 22.3 ppb (21) 4.9 ppb (5) N/A 17.0 ppb (16) N/A N/A 18.0 ppb (14) 0.26 ppb (3) N/A 16.0 μg/m3 (59) 59.0
 
Nov. 14, 2019, 3 p.m. 26.4 ppb (24) 4.6 ppb (4) N/A 22.0 ppb (20) N/A N/A 13.0 ppb (10) 0.25 ppb (3) N/A 18.0 μg/m3 (63) 63.0
 
Nov. 14, 2019, 2 p.m. 22.8 ppb (21) 2.7 ppb (3) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (10) 0.2 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
Nov. 14, 2019, 1 p.m. 20.0 ppb (19) 2.5 ppb (2) N/A 18.0 ppb (17) N/A N/A 14.0 ppb (11) 0.2 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Nov. 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 14, 2019, 11 a.m. 10.1 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) 0.13 ppb (1) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 14, 2019, 10 a.m. 10.5 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) 0.12 ppb (1) N/A 14.0 μg/m3 (54) 54.0
 
Nov. 14, 2019, 9 a.m. 9.7 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) 0.13 ppb (1) N/A 14.0 μg/m3 (54) 54.0
 
Nov. 14, 2019, 8 a.m. 10.5 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 24.0 ppb (18) 0.16 ppb (2) N/A 19.0 μg/m3 (65) 65.0
 
Nov. 14, 2019, 7 a.m. 16.2 ppb (15) 1.2 ppb (1) N/A 15.0 ppb (14) N/A N/A 19.0 ppb (15) 0.21 ppb (2) N/A 21.0 μg/m3 (69) 69.0
 
Nov. 14, 2019, 6 a.m. 26.8 ppb (25) 1.8 ppb (2) N/A 25.0 ppb (23) N/A N/A 12.0 ppb (9) 0.37 ppb (4) N/A 25.0 μg/m3 (78) 78.0
 
Nov. 14, 2019, 5 a.m. 25.2 ppb (23) 1.1 ppb (1) N/A 24.0 ppb (22) N/A N/A 19.0 ppb (15) 0.36 ppb (4) N/A 18.0 μg/m3 (63) 63.0
 
Nov. 14, 2019, 4 a.m. 57.9 ppb (54) 9.5 ppb (9) N/A 48.0 ppb (44) N/A N/A 7.0 ppb (5) 0.82 ppb (9) N/A 23.0 μg/m3 (73) 73.0
 
Nov. 14, 2019, 3 a.m. 76.0 ppb (73) 18.2 ppb (17) N/A 58.0 ppb (54) N/A N/A 1.0 ppb (1) 1.01 ppb (11) N/A 26.0 μg/m3 (80) 80.0
 
Nov. 14, 2019, 2 a.m. 78.0 ppb (76) 16.9 ppb (16) N/A 61.0 ppb (57) N/A N/A 1.0 ppb (1) 1.03 ppb (11) N/A 24.0 μg/m3 (76) 76.0
 
Nov. 14, 2019, 1 a.m. 67.7 ppb (65) 12.7 ppb (12) N/A 55.0 ppb (51) N/A N/A 10.0 ppb (8) 0.79 ppb (9) N/A 21.0 μg/m3 (69) 69.0
 
Nov. 14, 2019, midnight 29.7 ppb (28) 1.0 ppb (1) N/A 29.0 ppb (27) N/A N/A 38.0 ppb (29) 0.42 ppb (5) N/A 19.0 μg/m3 (65) 65.0
 
Nov. 13, 2019, 11 p.m. 15.3 ppb (14) 0.8 ppb (1) N/A 15.0 ppb (14) N/A N/A 55.0 ppb (42) 0.24 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
Nov. 13, 2019, 10 p.m. 16.5 ppb (15) 1.2 ppb (1) N/A 15.0 ppb (14) N/A N/A 53.0 ppb (41) 0.25 ppb (3) N/A 16.0 μg/m3 (59) 59.0
 
Nov. 13, 2019, 9 p.m. 31.9 ppb (30) 3.9 ppb (4) N/A 28.0 ppb (26) N/A N/A 41.0 ppb (32) 0.38 ppb (4) N/A 24.0 μg/m3 (76) 76.0
 
Nov. 13, 2019, 8 p.m. 36.9 ppb (34) 6.2 ppb (6) N/A 31.0 ppb (29) N/A N/A 36.0 ppb (28) 0.39 ppb (4) N/A 25.0 μg/m3 (78) 78.0
 
Nov. 13, 2019, 7 p.m. 39.5 ppb (37) 9.5 ppb (9) N/A 30.0 ppb (28) N/A N/A 33.0 ppb (25) 0.32 ppb (4) N/A 28.0 μg/m3 (84) 84.0
 
Nov. 13, 2019, 6 p.m. 68.3 ppb (65) 24.5 ppb (23) N/A 44.0 ppb (41) N/A N/A 16.0 ppb (12) 0.51 ppb (6) N/A 61.0 μg/m3 (153) 153.0
 
Nov. 13, 2019, 5 p.m. 95.8 ppb (94) 52.7 ppb (49) N/A 43.0 ppb (40) N/A N/A 6.0 ppb (5) 0.84 ppb (9) N/A 43.0 μg/m3 (119) 119.0
 
Nov. 13, 2019, 4 p.m. 153.5 ppb (110) 109.6 ppb (102) N/A 44.0 ppb (41) N/A N/A 2.0 ppb (2) 0.86 ppb (10) N/A 52.0 μg/m3 (141) 141.0
 
Nov. 13, 2019, 3 p.m. 142.5 ppb (108) 108.8 ppb (102) N/A 34.0 ppb (31) N/A N/A 1.0 ppb (1) 0.92 ppb (10) N/A 43.0 μg/m3 (119) 119.0
 
Nov. 13, 2019, 2 p.m. 85.1 ppb (83) 58.1 ppb (54) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.62 ppb (7) N/A 33.0 μg/m3 (95) 95.0
 
Nov. 13, 2019, 1 p.m. 87.7 ppb (86) 58.0 ppb (54) N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 0.42 ppb (5) N/A 30.0 μg/m3 (88) 88.0
 
Nov. 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (90) 90.0
 
Nov. 13, 2019, 11 a.m. 85.6 ppb (84) 53.7 ppb (50) N/A 32.0 ppb (30) N/A N/A 0.0 ppb (0) 0.7 ppb (8) N/A 34.0 μg/m3 (97) 97.0
 
Nov. 13, 2019, 10 a.m. 89.3 ppb (88) 53.5 ppb (50) N/A 36.0 ppb (33) N/A N/A 1.0 ppb (1) 0.78 ppb (9) N/A 42.0 μg/m3 (116) 116.0
 
Nov. 13, 2019, 9 a.m. 67.1 ppb (64) 30.0 ppb (28) N/A 37.0 ppb (34) N/A N/A 1.0 ppb (1) 0.71 ppb (8) N/A 65.0 μg/m3 (155) 155.0
 
Nov. 13, 2019, 8 a.m. 56.7 ppb (53) 16.4 ppb (15) N/A 40.0 ppb (37) N/A N/A 1.0 ppb (1) 0.83 ppb (9) N/A 71.0 μg/m3 (158) 158.0
 
Nov. 13, 2019, 7 a.m. 74.3 ppb (72) 29.8 ppb (28) N/A 45.0 ppb (42) N/A N/A 1.0 ppb (1) 0.97 ppb (11) N/A 61.0 μg/m3 (153) 153.0
 
Nov. 13, 2019, 6 a.m. 91.2 ppb (90) 43.2 ppb (40) N/A 48.0 ppb (44) N/A N/A 1.0 ppb (1) 1.27 ppb (14) N/A 55.0 μg/m3 (149) 149.0
 
Nov. 13, 2019, 5 a.m. 93.6 ppb (92) 39.9 ppb (37) N/A 54.0 ppb (50) N/A N/A 1.0 ppb (1) 1.25 ppb (14) N/A 46.0 μg/m3 (126) 126.0
 
Nov. 13, 2019, 4 a.m. 60.6 ppb (57) 11.0 ppb (10) N/A 50.0 ppb (46) N/A N/A 7.0 ppb (5) 0.84 ppb (9) N/A 27.0 μg/m3 (82) 82.0
 
Nov. 13, 2019, 3 a.m. 53.1 ppb (49) 2.6 ppb (2) N/A 51.0 ppb (47) N/A N/A 12.0 ppb (9) 0.71 ppb (8) N/A 27.0 μg/m3 (82) 82.0
 
Nov. 13, 2019, 2 a.m. 64.6 ppb (61) 6.8 ppb (6) N/A 58.0 ppb (54) N/A N/A 8.0 ppb (6) 0.85 ppb (9) N/A 24.0 μg/m3 (76) 76.0
 
Nov. 13, 2019, 1 a.m. 49.6 ppb (46) 1.9 ppb (2) N/A 48.0 ppb (44) N/A N/A 24.0 ppb (18) 0.7 ppb (8) N/A 22.0 μg/m3 (71) 71.0
 
Nov. 13, 2019, midnight 30.4 ppb (28) 1.3 ppb (1) N/A 29.0 ppb (27) N/A N/A 44.0 ppb (34) 0.41 ppb (5) N/A 18.0 μg/m3 (63) 63.0
 
Nov. 12, 2019, 11 p.m. 15.4 ppb (14) 1.1 ppb (1) N/A 14.0 ppb (13) N/A N/A 63.0 ppb (48) 0.28 ppb (3) N/A 18.0 μg/m3 (63) 63.0
 
Nov. 12, 2019, 10 p.m. 14.5 ppb (13) 1.1 ppb (1) N/A 13.0 ppb (12) N/A N/A 67.0 ppb (52) 0.28 ppb (3) N/A N/A 52.0
 
Nov. 12, 2019, 9 p.m. 16.9 ppb (16) 1.6 ppb (1) N/A 15.0 ppb (14) N/A N/A 59.0 ppb (45) 0.29 ppb (3) N/A 28.0 μg/m3 (84) 84.0
 
Nov. 12, 2019, 8 p.m. 26.0 ppb (24) 3.7 ppb (3) N/A 22.0 ppb (20) N/A N/A 50.0 ppb (38) 0.32 ppb (4) N/A 29.0 μg/m3 (86) 86.0
 
Nov. 12, 2019, 7 p.m. 37.4 ppb (35) 8.4 ppb (8) N/A 29.0 ppb (27) N/A N/A 35.0 ppb (27) 0.35 ppb (4) N/A 25.0 μg/m3 (78) 78.0
 
Nov. 12, 2019, 6 p.m. 34.8 ppb (32) 8.4 ppb (8) N/A 26.0 ppb (24) N/A N/A 28.0 ppb (22) 0.45 ppb (5) N/A 21.0 μg/m3 (69) 69.0
 
Nov. 12, 2019, 5 p.m. 48.0 ppb (44) 16.5 ppb (15) N/A 32.0 ppb (30) N/A N/A 17.0 ppb (13) 0.32 ppb (4) N/A 21.0 μg/m3 (69) 69.0
 
Nov. 12, 2019, 4 p.m. 59.2 ppb (56) 24.7 ppb (23) N/A 35.0 ppb (32) N/A N/A 10.0 ppb (8) 0.39 ppb (4) N/A 20.0 μg/m3 (67) 67.0
 
Nov. 12, 2019, 3 p.m. 88.4 ppb (87) 51.4 ppb (48) N/A 37.0 ppb (34) N/A N/A 2.0 ppb (2) 0.44 ppb (5) N/A 15.0 μg/m3 (56) 87.0
 
Nov. 12, 2019, 2 p.m. 48.0 ppb (44) 14.7 ppb (14) N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) 0.33 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 12, 2019, 1 p.m. 58.6 ppb (55) 21.2 ppb (20) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) 0.24 ppb (3) N/A 13.0 μg/m3 (52) 55.0
 
Nov. 12, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Nov. 12, 2019, 11 a.m. 35.0 ppb (32) 5.9 ppb (5) N/A 29.0 ppb (27) N/A N/A 9.0 ppb (7) 0.26 ppb (3) N/A 20.0 μg/m3 (67) 67.0
 
Nov. 12, 2019, 10 a.m. 62.8 ppb (59) 23.7 ppb (22) N/A 39.0 ppb (36) N/A N/A 3.0 ppb (2) 0.25 ppb (3) N/A 24.0 μg/m3 (76) 76.0
 
Nov. 12, 2019, 9 a.m. 62.8 ppb (59) 25.7 ppb (24) N/A 37.0 ppb (34) N/A N/A 0.0 ppb (0) 0.3 ppb (3) N/A 26.0 μg/m3 (80) 80.0
 
Nov. 12, 2019, 8 a.m. 51.6 ppb (48) 13.7 ppb (13) N/A 38.0 ppb (35) N/A N/A 2.0 ppb (2) 0.27 ppb (3) N/A 23.0 μg/m3 (73) 73.0
 
Nov. 12, 2019, 7 a.m. 46.2 ppb (43) 6.5 ppb (6) N/A 40.0 ppb (37) N/A N/A 1.0 ppb (1) 0.28 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
Nov. 12, 2019, 6 a.m. 74.4 ppb (72) 27.7 ppb (26) N/A 47.0 ppb (44) N/A N/A 1.0 ppb (1) 0.53 ppb (6) N/A 24.0 μg/m3 (76) 76.0