AQSQID: 340390004

Site Name: Elizabeth Trailer

Location: Elizabeth, NJ

Reporting: True, Located: True

Current AQI: 23.0

Elizabeth NJ, US: 40.641441, -74.208366

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 17, 2019, 11 a.m. 35.0 ppb (32) 13.0 ppb (12) N/A 22.0 ppb (20) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 2.7 μg/m3 (11) 32.0
 
Jan. 17, 2019, 10 a.m. 25.0 ppb (23) 6.0 ppb (6) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 2.4 μg/m3 (10) 23.0
 
Jan. 17, 2019, 9 a.m. 15.0 ppb (14) 2.0 ppb (2) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 2.8 μg/m3 (12) 14.0
 
Jan. 17, 2019, 8 a.m. 14.0 ppb (13) 2.0 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 6.7 μg/m3 (28) 28.0
 
Jan. 17, 2019, 7 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 12.3 μg/m3 (51) 51.0
 
Jan. 17, 2019, 6 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 15.9 μg/m3 (58) 58.0
 
Jan. 17, 2019, 5 a.m. 13.0 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A N/A 12.0
 
Jan. 17, 2019, 4 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 6.8 μg/m3 (28) 28.0
 
Jan. 17, 2019, 3 a.m. 24.0 ppb (22) 5.0 ppb (5) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 6.5 μg/m3 (27) 27.0
 
Jan. 17, 2019, 2 a.m. 21.0 ppb (19) 4.0 ppb (4) N/A 16.0 ppb (15) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 17, 2019, 1 a.m. 19.0 ppb (18) 5.0 ppb (5) N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2019, midnight 25.0 ppb (23) 10.0 ppb (9) N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 7.4 μg/m3 (31) 31.0
 
Jan. 16, 2019, 11 p.m. 36.0 ppb (33) 17.0 ppb (16) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 7.2 μg/m3 (30) 33.0
 
Jan. 16, 2019, 10 p.m. 40.0 ppb (37) 19.0 ppb (18) N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 6.3 μg/m3 (26) 37.0
 
Jan. 16, 2019, 9 p.m. 23.0 ppb (21) 7.0 ppb (6) N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A N/A 21.0
 
Jan. 16, 2019, 8 p.m. 27.0 ppb (25) 11.0 ppb (10) N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 7.1 μg/m3 (30) 30.0
 
Jan. 16, 2019, 7 p.m. 46.0 ppb (43) 23.0 ppb (21) N/A 22.0 ppb (20) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 9.3 μg/m3 (39) 43.0
 
Jan. 16, 2019, 6 p.m. 37.0 ppb (34) 19.0 ppb (18) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 13.9 μg/m3 (54) 54.0
 
Jan. 16, 2019, 5 p.m. 43.0 ppb (40) 22.0 ppb (20) N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 21.2 μg/m3 (70) 70.0
 
Jan. 16, 2019, 4 p.m. 39.0 ppb (36) 19.0 ppb (18) N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A N/A N/A 28.0 μg/m3 (84) 84.0
 
Jan. 16, 2019, 3 p.m. 48.0 ppb (44) 24.0 ppb (22) N/A 23.0 ppb (21) N/A 0.0 ppb (0) N/A N/A N/A 32.2 μg/m3 (93) 93.0
 
Jan. 16, 2019, 2 p.m. 65.0 ppb (62) 36.0 ppb (33) N/A 29.0 ppb (27) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 29.7 μg/m3 (88) 88.0
 
Jan. 16, 2019, 1 p.m. 75.0 ppb (72) 41.0 ppb (38) N/A 33.0 ppb (31) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A N/A 72.0
 
Jan. 16, 2019, noon 114.0 ppb (102) 72.0 ppb (69) N/A 41.0 ppb (38) N/A 1.0 ppb (1) N/A 0.4 ppb (4) N/A 33.1 μg/m3 (95) 102.0
 
Jan. 16, 2019, 11 a.m. 114.0 ppb (102) 72.0 ppb (69) N/A 41.0 ppb (38) N/A 1.0 ppb (1) N/A 0.4 ppb (4) N/A 29.7 μg/m3 (88) 102.0
 
Jan. 16, 2019, 10 a.m. 85.0 ppb (83) 47.0 ppb (44) N/A 37.0 ppb (34) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 25.8 μg/m3 (79) 83.0
 
Jan. 16, 2019, 9 a.m. 80.0 ppb (78) 39.0 ppb (36) N/A 39.0 ppb (36) N/A N/A N/A N/A N/A 24.3 μg/m3 (76) 78.0
 
Jan. 16, 2019, 8 a.m. 55.0 ppb (51) 20.0 ppb (19) N/A 33.0 ppb (31) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 24.8 μg/m3 (77) 77.0
 
Jan. 16, 2019, 7 a.m. 47.0 ppb (44) 18.0 ppb (17) N/A 28.0 ppb (26) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 25.9 μg/m3 (80) 80.0
 
Jan. 16, 2019, 6 a.m. 107.0 ppb (101) 69.0 ppb (66) N/A 37.0 ppb (34) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 23.6 μg/m3 (75) 101.0
 
Jan. 16, 2019, 5 a.m. 92.0 ppb (90) 55.0 ppb (51) N/A 36.0 ppb (33) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A N/A 90.0
 
Jan. 16, 2019, 4 a.m. 79.0 ppb (77) 41.0 ppb (38) N/A 37.0 ppb (34) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 22.6 μg/m3 (73) 77.0
 
Jan. 16, 2019, 3 a.m. 81.0 ppb (79) 44.0 ppb (41) N/A 36.0 ppb (33) N/A 0.0 ppb (0) N/A 0.5 ppb (6) N/A 22.6 μg/m3 (73) 79.0
 
Jan. 16, 2019, 2 a.m. 71.0 ppb (68) 33.0 ppb (31) N/A 37.0 ppb (34) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 21.1 μg/m3 (69) 69.0
 
Jan. 16, 2019, 1 a.m. 58.0 ppb (54) 24.0 ppb (22) N/A 33.0 ppb (31) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 22.6 μg/m3 (73) 73.0
 
Jan. 16, 2019, midnight 90.0 ppb (88) 53.0 ppb (49) N/A 37.0 ppb (34) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 22.4 μg/m3 (72) 88.0
 
Jan. 15, 2019, 11 p.m. 125.0 ppb (105) 81.0 ppb (79) N/A 42.0 ppb (39) N/A 1.0 ppb (1) N/A 0.4 ppb (4) N/A 21.1 μg/m3 (69) 105.0
 
Jan. 15, 2019, 10 p.m. 63.0 ppb (60) 28.0 ppb (26) N/A 34.0 ppb (31) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 15.5 μg/m3 (57) 60.0
 
Jan. 15, 2019, 9 p.m. 35.0 ppb (32) 12.0 ppb (11) N/A 22.0 ppb (20) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A N/A 32.0
 
Jan. 15, 2019, 8 p.m. 30.0 ppb (28) 10.0 ppb (9) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 8.4 μg/m3 (35) 35.0
 
Jan. 15, 2019, 7 p.m. 24.0 ppb (22) 9.0 ppb (8) N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 4.1 μg/m3 (17) 22.0
 
Jan. 15, 2019, 6 p.m. 23.0 ppb (21) 10.0 ppb (9) N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 1.3 μg/m3 (5) 21.0
 
Jan. 15, 2019, 5 p.m. 21.0 ppb (19) 9.0 ppb (8) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 1.5 μg/m3 (6) 19.0
 
Jan. 15, 2019, 4 p.m. 25.0 ppb (23) 11.0 ppb (10) N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 5.4 μg/m3 (23) 23.0
 
Jan. 15, 2019, 3 p.m. 32.0 ppb (30) 15.0 ppb (14) N/A 16.0 ppb (15) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 11.4 μg/m3 (48) 48.0
 
Jan. 15, 2019, 2 p.m. 61.0 ppb (57) 34.0 ppb (31) N/A 26.0 ppb (24) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 16.2 μg/m3 (59) 59.0
 
Jan. 15, 2019, 1 p.m. 182.0 ppb (116) 134.0 ppb (106) N/A 47.0 ppb (44) N/A 1.0 ppb (1) N/A 0.8 ppb (9) N/A N/A 116.0
 
Jan. 15, 2019, noon 319.0 ppb (142) 257.0 ppb (130) N/A 61.0 ppb (57) N/A 2.0 ppb (3) N/A 1.3 ppb (14) N/A 14.9 μg/m3 (56) 142.0
 
Jan. 15, 2019, 11 a.m. 178.0 ppb (115) 128.0 ppb (105) N/A 48.0 ppb (44) N/A 1.0 ppb (1) N/A 1.2 ppb (13) N/A 16.8 μg/m3 (60) 115.0
 
Jan. 15, 2019, 10 a.m. 146.0 ppb (109) 103.0 ppb (100) N/A 42.0 ppb (39) N/A 1.0 ppb (1) N/A 0.9 ppb (10) N/A 18.6 μg/m3 (64) 109.0
 
Jan. 15, 2019, 9 a.m. 154.0 ppb (110) 111.0 ppb (102) N/A 42.0 ppb (39) N/A N/A N/A N/A N/A 20.5 μg/m3 (68) 110.0
 
Jan. 15, 2019, 8 a.m. 196.0 ppb (118) 149.0 ppb (109) N/A 46.0 ppb (43) N/A 1.0 ppb (1) N/A 0.9 ppb (10) N/A 19.8 μg/m3 (67) 118.0
 
Jan. 15, 2019, 7 a.m. 206.0 ppb (120) 158.0 ppb (111) N/A 48.0 ppb (44) N/A 1.0 ppb (1) N/A 0.9 ppb (10) N/A 18.8 μg/m3 (64) 120.0
 
Jan. 15, 2019, 6 a.m. 260.0 ppb (131) 206.0 ppb (120) N/A 53.0 ppb (49) N/A 1.0 ppb (1) N/A 1.3 ppb (14) N/A 14.7 μg/m3 (56) 131.0
 
Jan. 15, 2019, 5 a.m. 210.0 ppb (121) 158.0 ppb (111) N/A 51.0 ppb (47) N/A 1.0 ppb (1) N/A 1.2 ppb (13) N/A N/A 121.0
 
Jan. 15, 2019, 4 a.m. 174.0 ppb (114) 122.0 ppb (104) N/A 51.0 ppb (47) N/A 1.0 ppb (1) N/A 0.7 ppb (8) N/A 10.1 μg/m3 (42) 114.0
 
Jan. 15, 2019, 3 a.m. 156.0 ppb (111) 104.0 ppb (101) N/A 50.0 ppb (46) N/A 2.0 ppb (3) N/A 0.7 ppb (8) N/A 9.5 μg/m3 (40) 111.0
 
Jan. 15, 2019, 2 a.m. 173.0 ppb (114) 117.0 ppb (103) N/A 55.0 ppb (51) N/A 2.0 ppb (3) N/A 0.7 ppb (8) N/A 11.7 μg/m3 (49) 114.0
 
Jan. 15, 2019, 1 a.m. 129.0 ppb (105) 83.0 ppb (81) N/A 45.0 ppb (42) N/A 0.0 ppb (0) N/A 0.8 ppb (9) N/A 13.8 μg/m3 (54) 105.0
 
Jan. 15, 2019, midnight 118.0 ppb (103) 71.0 ppb (68) N/A 46.0 ppb (43) N/A 0.0 ppb (0) N/A 0.7 ppb (8) N/A 18.1 μg/m3 (63) 103.0
 
Jan. 14, 2019, 11 p.m. 121.0 ppb (104) 74.0 ppb (71) N/A 47.0 ppb (44) N/A 0.0 ppb (0) N/A 0.6 ppb (7) N/A 17.0 μg/m3 (61) 104.0
 
Jan. 14, 2019, 10 p.m. 59.0 ppb (55) 24.0 ppb (22) N/A 35.0 ppb (32) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 6.5 μg/m3 (27) 55.0
 
Jan. 14, 2019, 9 p.m. 30.0 ppb (28) 7.0 ppb (6) N/A 22.0 ppb (20) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A N/A 28.0
 
Jan. 14, 2019, 8 p.m. 31.0 ppb (29) 10.0 ppb (9) N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A N/A 29.0
 
Jan. 14, 2019, 7 p.m. 32.0 ppb (30) 13.0 ppb (12) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 30.0
 
Jan. 14, 2019, 6 p.m. 27.0 ppb (25) 12.0 ppb (11) N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 25.0
 
Jan. 14, 2019, 5 p.m. 29.0 ppb (27) 13.0 ppb (12) N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 27.0
 
Jan. 14, 2019, 4 p.m. 32.0 ppb (30) 15.0 ppb (14) N/A 16.0 ppb (15) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 30.0
 
Jan. 14, 2019, 3 p.m. 42.0 ppb (39) 20.0 ppb (19) N/A 21.0 ppb (19) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 39.0
 
Jan. 14, 2019, 2 p.m. 41.0 ppb (38) 18.0 ppb (17) N/A 22.0 ppb (20) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A N/A 38.0
 
Jan. 14, 2019, 1 p.m. 38.0 ppb (35) 14.0 ppb (13) N/A 23.0 ppb (21) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A N/A 35.0
 
Jan. 14, 2019, noon 37.0 ppb (34) 12.0 ppb (11) N/A 25.0 ppb (23) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 34.0
 
Jan. 14, 2019, 11 a.m. 32.0 ppb (30) 8.0 ppb (7) N/A 23.0 ppb (21) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 30.0
 
Jan. 14, 2019, 10 a.m. 29.0 ppb (27) 8.0 ppb (7) N/A 21.0 ppb (19) N/A 0.0 ppb (0) N/A N/A N/A N/A 27.0
 
Jan. 14, 2019, 9 a.m. 20.0 ppb (19) 3.0 ppb (3) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A N/A 19.0
 
Jan. 14, 2019, 8 a.m. 16.0 ppb (15) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A N/A 0.3 ppb (3) N/A N/A 15.0
 
Jan. 14, 2019, 7 a.m. 14.0 ppb (13) 1.0 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 13.0
 
Jan. 14, 2019, 6 a.m. 15.0 ppb (14) 1.0 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 14.0
 
Jan. 14, 2019, 5 a.m. 17.0 ppb (16) 1.0 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 16.0
 
Jan. 14, 2019, 4 a.m. 21.0 ppb (19) 2.0 ppb (2) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 19.0
 
Jan. 14, 2019, 3 a.m. 27.0 ppb (25) 2.0 ppb (2) N/A 23.0 ppb (21) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 25.0
 
Jan. 14, 2019, 2 a.m. 24.0 ppb (22) 1.0 ppb (1) N/A 22.0 ppb (20) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 22.0
 
Jan. 14, 2019, 1 a.m. 21.0 ppb (19) 1.0 ppb (1) N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 19.0
 
Jan. 14, 2019, midnight 20.0 ppb (19) 1.0 ppb (1) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 19.0
 
Jan. 13, 2019, 11 p.m. 18.0 ppb (17) 0.0 ppb (0) N/A 17.0 ppb (16) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 17.0
 
Jan. 13, 2019, 10 p.m. 16.0 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 15.0
 
Jan. 13, 2019, 9 p.m. 16.0 ppb (15) 1.0 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 15.0
 
Jan. 13, 2019, 8 p.m. 14.0 ppb (13) 2.0 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 13.0
 
Jan. 13, 2019, 7 p.m. 13.0 ppb (12) 3.0 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A N/A 12.0
 
Jan. 13, 2019, 6 p.m. 13.0 ppb (12) 3.0 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 12.0
 
Jan. 13, 2019, 5 p.m. 16.0 ppb (15) 4.0 ppb (4) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 15.0
 
Jan. 13, 2019, 4 p.m. 19.0 ppb (18) 5.0 ppb (5) N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 18.0
 
Jan. 13, 2019, 3 p.m. 20.0 ppb (19) 6.0 ppb (6) N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 19.0
 
Jan. 13, 2019, 2 p.m. 21.0 ppb (19) 4.0 ppb (4) N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 19.0
 
Jan. 13, 2019, 1 p.m. 25.0 ppb (23) 4.0 ppb (4) N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 23.0
 
Jan. 13, 2019, noon 18.0 ppb (17) 1.0 ppb (1) N/A 17.0 ppb (16) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A N/A 17.0
 
Jan. 13, 2019, 11 a.m. 14.0 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A N/A 13.0
 
Jan. 13, 2019, 10 a.m. 14.0 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A N/A 13.0
 
Jan. 13, 2019, 9 a.m. 16.0 ppb (15) 0.0 ppb (0) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 15.0
 
Jan. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A N/A 2.0
 
Jan. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A N/A 2.0
 
Jan. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A N/A 2.0
 
Jan. 13, 2019, 5 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A N/A 10.0
 
Jan. 13, 2019, 4 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 16.1 μg/m3 (59) 59.0
 
Jan. 13, 2019, 3 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 13, 2019, 2 a.m. 17.0 ppb (16) 0.0 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
Jan. 13, 2019, 1 a.m. 21.0 ppb (19) 1.0 ppb (1) N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
Jan. 13, 2019, midnight 25.0 ppb (23) 1.0 ppb (1) N/A 23.0 ppb (21) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 12, 2019, 11 p.m. 20.0 ppb (19) 0.0 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 6.3 μg/m3 (26) 26.0
 
Jan. 12, 2019, 10 p.m. 17.0 ppb (16) 0.0 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
Jan. 12, 2019, 9 p.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A N/A 11.0
 
Jan. 12, 2019, 8 p.m. 9.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A -1.0 μg/m3 (0) 8.0
 
Jan. 12, 2019, 7 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A -2.2 μg/m3 (0) 9.0
 
Jan. 12, 2019, 6 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A -0.3 μg/m3 (0) 9.0
 
Jan. 12, 2019, 5 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 6.6 μg/m3 (28) 28.0
 
Jan. 12, 2019, 4 p.m. 14.0 ppb (13) 3.0 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 4.6 μg/m3 (19) 19.0
 
Jan. 12, 2019, 3 p.m. 20.0 ppb (19) 6.0 ppb (6) N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 1.1 μg/m3 (5) 19.0
 
Jan. 12, 2019, 2 p.m. 22.0 ppb (20) 6.0 ppb (6) N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 2.7 μg/m3 (11) 20.0
 
Jan. 12, 2019, 1 p.m. 27.0 ppb (25) 5.0 ppb (5) N/A 21.0 ppb (19) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 25.0
 
Jan. 12, 2019, noon 30.0 ppb (28) 4.0 ppb (4) N/A 25.0 ppb (23) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 0.6 μg/m3 (2) 28.0
 
Jan. 12, 2019, 11 a.m. 30.0 ppb (28) 3.0 ppb (3) N/A 26.0 ppb (24) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 0.9 μg/m3 (4) 28.0
 
Jan. 12, 2019, 10 a.m. 21.0 ppb (19) 1.0 ppb (1) N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 0.0 μg/m3 (0) 19.0
 
Jan. 12, 2019, 9 a.m. 19.0 ppb (18) 1.0 ppb (1) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A 1.7 μg/m3 (7) 18.0
 
Jan. 12, 2019, 8 a.m. 19.0 ppb (18) 2.0 ppb (2) N/A 16.0 ppb (15) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 12, 2019, 7 a.m. 14.0 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 12, 2019, 6 a.m. 16.0 ppb (15) 0.0 ppb (0) N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 12.7 μg/m3 (51) 51.0
 
Jan. 12, 2019, 5 a.m. 14.0 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A N/A 13.0
 
Jan. 12, 2019, 4 a.m. 19.0 ppb (18) 1.0 ppb (1) N/A 17.0 ppb (16) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 8.4 μg/m3 (35) 35.0
 
Jan. 12, 2019, 3 a.m. 14.0 ppb (13) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 10.4 μg/m3 (43) 43.0
 
Jan. 12, 2019, 2 a.m. 14.0 ppb (13) 1.0 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 17.7 μg/m3 (62) 62.0
 
Jan. 12, 2019, 1 a.m. 16.0 ppb (15) 2.0 ppb (2) N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 13.7 μg/m3 (54) 54.0
 
Jan. 12, 2019, midnight 20.0 ppb (19) 3.0 ppb (3) N/A 16.0 ppb (15) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 9.7 μg/m3 (40) 40.0
 
Jan. 11, 2019, 11 p.m. 16.0 ppb (15) 3.0 ppb (3) N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 9.1 μg/m3 (38) 38.0
 
Jan. 11, 2019, 10 p.m. 26.0 ppb (24) 7.0 ppb (6) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 6.5 μg/m3 (27) 27.0
 
Jan. 11, 2019, 9 p.m. 22.0 ppb (20) 5.0 ppb (5) N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A N/A 20.0
 
Jan. 11, 2019, 8 p.m. 20.0 ppb (19) 7.0 ppb (6) N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 1.1 μg/m3 (5) 19.0
 
Jan. 11, 2019, 7 p.m. 16.0 ppb (15) 6.0 ppb (6) N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A -0.5 μg/m3 (0) 15.0
 
Jan. 11, 2019, 6 p.m. 18.0 ppb (17) 8.0 ppb (7) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A -2.7 μg/m3 (0) 17.0
 
Jan. 11, 2019, 5 p.m. 18.0 ppb (17) 8.0 ppb (7) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A -4.2 μg/m3 (0) 17.0
 
Jan. 11, 2019, 4 p.m. 23.0 ppb (21) 10.0 ppb (9) N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A -3.2 μg/m3 (0) 21.0
 
Jan. 11, 2019, 3 p.m. 20.0 ppb (19) 8.0 ppb (7) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A -1.5 μg/m3 (0) 19.0
 
Jan. 11, 2019, 2 p.m. 27.0 ppb (25) 12.0 ppb (11) N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A -0.3 μg/m3 (0) 25.0
 
Jan. 11, 2019, 1 p.m. 27.0 ppb (25) 11.0 ppb (10) N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A N/A 25.0
 
Jan. 11, 2019, noon 33.0 ppb (31) 13.0 ppb (12) N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 7.3 μg/m3 (30) 31.0
 
Jan. 11, 2019, 11 a.m. 16.0 ppb (15) 4.0 ppb (4) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 6.8 μg/m3 (28) 28.0
 
Jan. 11, 2019, 10 a.m. 14.0 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 3.8 μg/m3 (16) 16.0
 
Jan. 11, 2019, 9 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 11, 2019, 8 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 10.8 μg/m3 (45) 45.0
 
Jan. 11, 2019, 7 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
Jan. 11, 2019, 6 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 12.6 μg/m3 (51) 51.0
 
Jan. 11, 2019, 5 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A N/A 5.0
 
Jan. 11, 2019, 4 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 6.7 μg/m3 (28) 28.0
 
Jan. 11, 2019, 3 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
Jan. 11, 2019, 2 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 7.3 μg/m3 (30) 30.0
 
Jan. 11, 2019, 1 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 7.2 μg/m3 (30) 30.0
 
Jan. 11, 2019, midnight 13.0 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 7.3 μg/m3 (30) 30.0
 
Jan. 10, 2019, 11 p.m. 18.0 ppb (17) 5.0 ppb (5) N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 5.8 μg/m3 (24) 24.0
 
Jan. 10, 2019, 10 p.m. 15.0 ppb (14) 4.0 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 5.5 μg/m3 (23) 23.0
 
Jan. 10, 2019, 9 p.m. 16.0 ppb (15) 5.0 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A N/A 15.0
 
Jan. 10, 2019, 8 p.m. 15.0 ppb (14) 6.0 ppb (6) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 0.0 μg/m3 (0) 14.0
 
Jan. 10, 2019, 7 p.m. 14.0 ppb (13) 6.0 ppb (6) N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 1.4 μg/m3 (6) 13.0
 
Jan. 10, 2019, 6 p.m. 17.0 ppb (16) 7.0 ppb (6) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 7.4 μg/m3 (31) 31.0
 
Jan. 10, 2019, 5 p.m. 16.0 ppb (15) 6.0 ppb (6) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 13.8 μg/m3 (54) 54.0
 
Jan. 10, 2019, 4 p.m. 16.0 ppb (15) 6.0 ppb (6) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 10, 2019, 3 p.m. 16.0 ppb (15) 7.0 ppb (6) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 2.2 μg/m3 (9) 15.0
 
Jan. 10, 2019, 2 p.m. 17.0 ppb (16) 8.0 ppb (7) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 1.8 μg/m3 (8) 16.0
 
Jan. 10, 2019, 1 p.m. 25.0 ppb (23) 11.0 ppb (10) N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A N/A 23.0
 
Jan. 10, 2019, noon 17.0 ppb (16) 6.0 ppb (6) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 3.3 μg/m3 (14) 16.0