AQSQID: 340410007

Site Name: Columbia

Location: Warren Co, NJ

Reporting: True, Located: True

Current AQI: 18.0

Warren Co NJ, US: 40.924606, -75.067825

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 4.1 μg/m3 (17) 18.0
 
Jan. 16, 2019, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 4.4 μg/m3 (18) 18.0
 
Jan. 16, 2019, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 16, 2019, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 1.8 μg/m3 (8) 19.0
 
Jan. 16, 2019, 7 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Jan. 16, 2019, 6 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 4.8 μg/m3 (20) 20.0
 
Jan. 16, 2019, 5 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 4.6 μg/m3 (19) 19.0
 
Jan. 16, 2019, 4 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 8.3 μg/m3 (35) 35.0
 
Jan. 16, 2019, 3 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 10.7 μg/m3 (45) 45.0
 
Jan. 16, 2019, 2 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 16, 2019, 1 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 16, 2019, noon 15.0 ppb (14) 0.0 ppb (0) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 24.9 μg/m3 (77) 77.0
 
Jan. 16, 2019, 11 a.m. 19.0 ppb (18) 1.0 ppb (1) N/A 17.0 ppb (16) N/A 0.0 ppb (0) N/A N/A N/A 24.4 μg/m3 (76) 76.0
 
Jan. 16, 2019, 10 a.m. 38.0 ppb (35) 12.0 ppb (11) N/A 25.0 ppb (23) N/A 1.0 ppb (1) N/A N/A N/A 23.4 μg/m3 (74) 74.0
 
Jan. 16, 2019, 9 a.m. 51.0 ppb (47) 27.0 ppb (25) N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) N/A N/A 22.1 μg/m3 (71) 71.0
 
Jan. 16, 2019, 8 a.m. 55.0 ppb (51) 36.0 ppb (33) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 22.1 μg/m3 (71) 71.0
 
Jan. 16, 2019, 7 a.m. 104.0 ppb (101) 83.0 ppb (81) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 23.2 μg/m3 (74) 101.0
 
Jan. 16, 2019, 6 a.m. 77.0 ppb (74) 58.0 ppb (54) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 24.2 μg/m3 (76) 76.0
 
Jan. 16, 2019, 5 a.m. 88.0 ppb (86) 68.0 ppb (65) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A N/A 86.0
 
Jan. 16, 2019, 4 a.m. 130.0 ppb (106) 106.0 ppb (101) N/A 24.0 ppb (22) N/A 2.0 ppb (3) 0.0 ppb (0) N/A N/A 19.1 μg/m3 (65) 106.0
 
Jan. 16, 2019, 3 a.m. 82.0 ppb (80) 60.0 ppb (56) N/A 21.0 ppb (19) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 18.6 μg/m3 (64) 80.0
 
Jan. 16, 2019, 2 a.m. 71.0 ppb (68) 50.0 ppb (46) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 17.6 μg/m3 (62) 68.0
 
Jan. 16, 2019, 1 a.m. 88.0 ppb (86) 63.0 ppb (60) N/A 24.0 ppb (22) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 15.0 μg/m3 (56) 86.0
 
Jan. 16, 2019, midnight 38.0 ppb (35) 16.0 ppb (15) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 14.9 μg/m3 (56) 56.0
 
Jan. 15, 2019, 11 p.m. 42.0 ppb (39) 19.0 ppb (18) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 14.3 μg/m3 (55) 55.0
 
Jan. 15, 2019, 10 p.m. 33.0 ppb (31) 16.0 ppb (15) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 13.6 μg/m3 (53) 53.0
 
Jan. 15, 2019, 9 p.m. 21.0 ppb (19) 7.0 ppb (6) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A N/A 19.0
 
Jan. 15, 2019, 8 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 11.4 μg/m3 (48) 48.0
 
Jan. 15, 2019, 7 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 12.4 μg/m3 (51) 51.0
 
Jan. 15, 2019, 6 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 15, 2019, 5 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 15, 2019, 4 p.m. 26.0 ppb (24) 15.0 ppb (14) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 16.5 μg/m3 (60) 60.0
 
Jan. 15, 2019, 3 p.m. 26.0 ppb (24) 14.0 ppb (13) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 18.8 μg/m3 (64) 64.0
 
Jan. 15, 2019, 2 p.m. 37.0 ppb (34) 21.0 ppb (19) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 18.7 μg/m3 (64) 64.0
 
Jan. 15, 2019, 1 p.m. 106.0 ppb (101) 77.0 ppb (74) N/A 28.0 ppb (26) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A N/A 101.0
 
Jan. 15, 2019, noon 123.0 ppb (104) 96.0 ppb (95) N/A 26.0 ppb (24) N/A 2.0 ppb (3) 0.0 ppb (0) N/A N/A 13.3 μg/m3 (53) 104.0
 
Jan. 15, 2019, 11 a.m. 150.0 ppb (109) 121.0 ppb (104) N/A 27.0 ppb (25) N/A 2.0 ppb (3) 0.0 ppb (0) N/A N/A 11.8 μg/m3 (49) 109.0
 
Jan. 15, 2019, 10 a.m. 132.0 ppb (106) 103.0 ppb (100) N/A 28.0 ppb (26) N/A 2.0 ppb (3) N/A N/A N/A 11.7 μg/m3 (49) 106.0
 
Jan. 15, 2019, 9 a.m. 124.0 ppb (104) 97.0 ppb (96) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) N/A N/A 12.2 μg/m3 (50) 104.0
 
Jan. 15, 2019, 8 a.m. 106.0 ppb (101) 76.0 ppb (73) N/A 29.0 ppb (27) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 12.8 μg/m3 (52) 101.0
 
Jan. 15, 2019, 7 a.m. 77.0 ppb (74) 50.0 ppb (46) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 14.2 μg/m3 (55) 74.0
 
Jan. 15, 2019, 6 a.m. 62.0 ppb (59) 36.0 ppb (33) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 16.8 μg/m3 (60) 60.0
 
Jan. 15, 2019, 5 a.m. 65.0 ppb (62) 41.0 ppb (38) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A 62.0
 
Jan. 15, 2019, 4 a.m. 98.0 ppb (97) 74.0 ppb (71) N/A 23.0 ppb (21) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 21.3 μg/m3 (70) 97.0
 
Jan. 15, 2019, 3 a.m. 105.0 ppb (101) 79.0 ppb (77) N/A 25.0 ppb (23) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 21.1 μg/m3 (69) 101.0
 
Jan. 15, 2019, 2 a.m. 108.0 ppb (101) 82.0 ppb (80) N/A 25.0 ppb (23) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 16.9 μg/m3 (60) 101.0
 
Jan. 15, 2019, 1 a.m. 112.0 ppb (102) 85.0 ppb (83) N/A 25.0 ppb (23) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 10.6 μg/m3 (44) 102.0
 
Jan. 15, 2019, midnight 60.0 ppb (56) 37.0 ppb (34) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 9.0 μg/m3 (38) 56.0
 
Jan. 14, 2019, 11 p.m. 13.0 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 14, 2019, 10 p.m. 10.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 5.4 μg/m3 (23) 23.0
 
Jan. 14, 2019, 9 p.m. 9.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 14, 2019, 8 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 3.3 μg/m3 (14) 23.0
 
Jan. 14, 2019, 7 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 3.7 μg/m3 (15) 23.0
 
Jan. 14, 2019, 6 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 4.4 μg/m3 (18) 24.0
 
Jan. 14, 2019, 5 p.m. 7.0 ppb (6) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 4.7 μg/m3 (20) 22.0
 
Jan. 14, 2019, 4 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 6.7 μg/m3 (28) 28.0
 
Jan. 14, 2019, 3 p.m. 28.0 ppb (26) 16.0 ppb (15) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 7.7 μg/m3 (32) 32.0
 
Jan. 14, 2019, 2 p.m. 26.0 ppb (24) 14.0 ppb (13) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 9.7 μg/m3 (40) 40.0
 
Jan. 14, 2019, 1 p.m. 59.0 ppb (55) 38.0 ppb (35) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A N/A 55.0
 
Jan. 14, 2019, noon 58.0 ppb (54) 32.0 ppb (30) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 8.1 μg/m3 (34) 54.0
 
Jan. 14, 2019, 11 a.m. 68.0 ppb (65) 39.0 ppb (36) N/A 28.0 ppb (26) N/A 0.0 ppb (0) N/A N/A N/A 5.4 μg/m3 (23) 65.0
 
Jan. 14, 2019, 10 a.m. 47.0 ppb (44) 21.0 ppb (19) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A 4.5 μg/m3 (19) 44.0
 
Jan. 14, 2019, 9 a.m. 62.0 ppb (59) 37.0 ppb (34) N/A 24.0 ppb (22) N/A N/A 8.0 ppb (6) N/A N/A 3.1 μg/m3 (13) 59.0
 
Jan. 14, 2019, 8 a.m. 30.0 ppb (28) 11.0 ppb (10) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 2.3 μg/m3 (10) 28.0
 
Jan. 14, 2019, 7 a.m. 35.0 ppb (32) 14.0 ppb (13) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 2.5 μg/m3 (10) 32.0
 
Jan. 14, 2019, 6 a.m. 20.0 ppb (19) 9.0 ppb (8) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 3.3 μg/m3 (14) 19.0
 
Jan. 14, 2019, 5 a.m. 50.0 ppb (46) 28.0 ppb (26) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A N/A 46.0
 
Jan. 14, 2019, 4 a.m. 41.0 ppb (38) 20.0 ppb (19) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2019, 3 a.m. 26.0 ppb (24) 12.0 ppb (11) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 4.5 μg/m3 (19) 24.0
 
Jan. 14, 2019, 2 a.m. 31.0 ppb (29) 15.0 ppb (14) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 0.9 μg/m3 (4) 29.0
 
Jan. 14, 2019, 1 a.m. 28.0 ppb (26) 12.0 ppb (11) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 1.9 μg/m3 (8) 26.0
 
Jan. 14, 2019, midnight 17.0 ppb (16) 6.0 ppb (6) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 6.3 μg/m3 (26) 26.0
 
Jan. 13, 2019, 11 p.m. 20.0 ppb (19) 8.0 ppb (7) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 13.2 μg/m3 (53) 53.0
 
Jan. 13, 2019, 10 p.m. 16.0 ppb (15) 5.0 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 14.6 μg/m3 (56) 56.0
 
Jan. 13, 2019, 9 p.m. 17.0 ppb (16) 6.0 ppb (6) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A N/A 19.0
 
Jan. 13, 2019, 8 p.m. 16.0 ppb (15) 6.0 ppb (6) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 3.4 μg/m3 (14) 21.0
 
Jan. 13, 2019, 7 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 3.1 μg/m3 (13) 22.0
 
Jan. 13, 2019, 6 p.m. 10.0 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.4 μg/m3 (10) 22.0
 
Jan. 13, 2019, 5 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 2.1 μg/m3 (9) 24.0
 
Jan. 13, 2019, 4 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 1.0 μg/m3 (4) 24.0
 
Jan. 13, 2019, 3 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 2.1 μg/m3 (9) 23.0
 
Jan. 13, 2019, 2 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2019, 1 p.m. 14.0 ppb (13) 5.0 ppb (5) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A N/A 16.0
 
Jan. 13, 2019, noon 9.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 14.6 μg/m3 (56) 56.0
 
Jan. 13, 2019, 11 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 9.3 μg/m3 (39) 39.0
 
Jan. 13, 2019, 10 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
Jan. 13, 2019, 9 a.m. 5.0 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 4.6 μg/m3 (19) 23.0
 
Jan. 13, 2019, 8 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 5.1 μg/m3 (21) 22.0
 
Jan. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 8.3 μg/m3 (35) 35.0
 
Jan. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 13, 2019, 4 a.m. 12.0 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 13, 2019, 3 a.m. 11.0 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 13, 2019, 2 a.m. 23.0 ppb (21) 7.0 ppb (6) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 5.3 μg/m3 (22) 22.0
 
Jan. 13, 2019, 1 a.m. 25.0 ppb (23) 7.0 ppb (6) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 2.7 μg/m3 (11) 23.0
 
Jan. 13, 2019, midnight 11.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 2.2 μg/m3 (9) 15.0
 
Jan. 12, 2019, 11 p.m. 31.0 ppb (29) 10.0 ppb (9) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 4.3 μg/m3 (18) 29.0
 
Jan. 12, 2019, 10 p.m. 40.0 ppb (37) 15.0 ppb (14) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 9.6 μg/m3 (40) 40.0
 
Jan. 12, 2019, 9 p.m. 21.0 ppb (19) 6.0 ppb (6) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A N/A 19.0
 
Jan. 12, 2019, 8 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 9.2 μg/m3 (38) 38.0
 
Jan. 12, 2019, 7 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 2.3 μg/m3 (10) 24.0
 
Jan. 12, 2019, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 1.0 μg/m3 (4) 26.0
 
Jan. 12, 2019, 5 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A -0.1 μg/m3 (0) 26.0
 
Jan. 12, 2019, 4 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 1.2 μg/m3 (5) 24.0
 
Jan. 12, 2019, 3 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 3.6 μg/m3 (15) 23.0
 
Jan. 12, 2019, 2 p.m. 12.0 ppb (11) 4.0 ppb (4) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Jan. 12, 2019, 1 p.m. 21.0 ppb (19) 6.0 ppb (6) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A N/A 19.0
 
Jan. 12, 2019, noon 29.0 ppb (27) 7.0 ppb (6) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 7.7 μg/m3 (32) 32.0
 
Jan. 12, 2019, 11 a.m. 26.0 ppb (24) 7.0 ppb (6) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 9.7 μg/m3 (40) 40.0
 
Jan. 12, 2019, 10 a.m. 40.0 ppb (37) 14.0 ppb (13) N/A 24.0 ppb (22) N/A 0.0 ppb (0) N/A N/A N/A 1.9 μg/m3 (8) 37.0
 
Jan. 12, 2019, 9 a.m. 77.0 ppb (74) 43.0 ppb (40) N/A 33.0 ppb (31) N/A N/A 3.0 ppb (2) N/A N/A 1.3 μg/m3 (5) 74.0
 
Jan. 12, 2019, 8 a.m. 20.0 ppb (19) 6.0 ppb (6) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 3.5 μg/m3 (15) 19.0
 
Jan. 12, 2019, 7 a.m. 28.0 ppb (26) 9.0 ppb (8) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 12, 2019, 6 a.m. 37.0 ppb (34) 10.0 ppb (9) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 12.3 μg/m3 (51) 51.0
 
Jan. 12, 2019, 5 a.m. 32.0 ppb (30) 8.0 ppb (7) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A N/A 30.0
 
Jan. 12, 2019, 4 a.m. 17.0 ppb (16) 5.0 ppb (5) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
Jan. 12, 2019, 3 a.m. 20.0 ppb (19) 8.0 ppb (7) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 0.5 μg/m3 (2) 19.0
 
Jan. 12, 2019, 2 a.m. 21.0 ppb (19) 9.0 ppb (8) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 2.2 μg/m3 (9) 21.0
 
Jan. 12, 2019, 1 a.m. 19.0 ppb (18) 8.0 ppb (7) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 12, 2019, midnight 20.0 ppb (19) 10.0 ppb (9) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 13.7 μg/m3 (54) 54.0
 
Jan. 11, 2019, 11 p.m. 14.0 ppb (13) 6.0 ppb (6) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 6.1 μg/m3 (25) 25.0
 
Jan. 11, 2019, 10 p.m. 16.0 ppb (15) 6.0 ppb (6) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 1.3 μg/m3 (5) 24.0
 
Jan. 11, 2019, 9 p.m. 21.0 ppb (19) 11.0 ppb (10) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A N/A 24.0
 
Jan. 11, 2019, 8 p.m. 15.0 ppb (14) 7.0 ppb (6) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
Jan. 11, 2019, 7 p.m. 10.0 ppb (9) 4.0 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 2.3 μg/m3 (10) 28.0
 
Jan. 11, 2019, 6 p.m. 11.0 ppb (10) 5.0 ppb (5) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 5.8 μg/m3 (24) 27.0
 
Jan. 11, 2019, 5 p.m. 10.0 ppb (9) 5.0 ppb (5) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 6.5 μg/m3 (27) 28.0
 
Jan. 11, 2019, 4 p.m. 5.0 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A -0.4 μg/m3 (0) 28.0
 
Jan. 11, 2019, 3 p.m. 11.0 ppb (10) 5.0 ppb (5) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A -0.8 μg/m3 (0) 25.0
 
Jan. 11, 2019, 2 p.m. 21.0 ppb (19) 11.0 ppb (10) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 0.9 μg/m3 (4) 23.0
 
Jan. 11, 2019, 1 p.m. 22.0 ppb (20) 9.0 ppb (8) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A N/A 20.0
 
Jan. 11, 2019, noon 24.0 ppb (22) 9.0 ppb (8) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 12.1 μg/m3 (50) 50.0
 
Jan. 11, 2019, 11 a.m. 16.0 ppb (15) 5.0 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 4.9 μg/m3 (20) 21.0
 
Jan. 11, 2019, 10 a.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 4.6 μg/m3 (19) 19.0
 
Jan. 11, 2019, 9 a.m. 19.0 ppb (18) 8.0 ppb (7) N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) N/A N/A 4.8 μg/m3 (20) 22.0
 
Jan. 11, 2019, 8 a.m. 17.0 ppb (16) 7.0 ppb (6) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 5.3 μg/m3 (22) 22.0
 
Jan. 11, 2019, 7 a.m. 7.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 4.1 μg/m3 (17) 24.0
 
Jan. 11, 2019, 6 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 3.3 μg/m3 (14) 25.0
 
Jan. 11, 2019, 5 a.m. 7.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A N/A 23.0
 
Jan. 11, 2019, 4 a.m. 8.0 ppb (7) 4.0 ppb (4) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.5 μg/m3 (10) 22.0
 
Jan. 11, 2019, 3 a.m. 7.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 2.0 μg/m3 (8) 21.0
 
Jan. 11, 2019, 2 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 1.9 μg/m3 (8) 21.0
 
Jan. 11, 2019, 1 a.m. 8.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 1.6 μg/m3 (7) 19.0
 
Jan. 11, 2019, midnight 16.0 ppb (15) 7.0 ppb (6) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 1.6 μg/m3 (7) 16.0
 
Jan. 10, 2019, 11 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A -1.5 μg/m3 (0) 18.0
 
Jan. 10, 2019, 10 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A -1.2 μg/m3 (0) 19.0
 
Jan. 10, 2019, 9 p.m. 10.0 ppb (9) 4.0 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 10, 2019, 8 p.m. 8.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 10, 2019, 7 p.m. 10.0 ppb (9) 4.0 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 16.5 μg/m3 (60) 60.0
 
Jan. 10, 2019, 6 p.m. 12.0 ppb (11) 5.0 ppb (5) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 2.3 μg/m3 (10) 21.0
 
Jan. 10, 2019, 5 p.m. 8.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A -0.1 μg/m3 (0) 21.0
 
Jan. 10, 2019, 4 p.m. 8.0 ppb (7) 3.0 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A -0.1 μg/m3 (0) 21.0
 
Jan. 10, 2019, 3 p.m. 10.0 ppb (9) 4.0 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 0.9 μg/m3 (4) 20.0
 
Jan. 10, 2019, 2 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 5.3 μg/m3 (22) 22.0
 
Jan. 10, 2019, 1 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A N/A 21.0
 
Jan. 10, 2019, noon 6.0 ppb (6) 3.0 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 4.6 μg/m3 (19) 20.0
 
Jan. 10, 2019, 11 a.m. 6.0 ppb (6) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
Jan. 10, 2019, 10 a.m. 8.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
Jan. 10, 2019, 9 a.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A N/A 3.4 μg/m3 (14) 17.0
 
Jan. 10, 2019, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 3.7 μg/m3 (15) 18.0
 
Jan. 10, 2019, 7 a.m. 5.0 ppb (5) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 4.6 μg/m3 (19) 19.0
 
Jan. 10, 2019, 6 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 4.2 μg/m3 (18) 18.0
 
Jan. 10, 2019, 5 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A N/A 17.0
 
Jan. 10, 2019, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 0.8 μg/m3 (3) 17.0
 
Jan. 10, 2019, 3 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 1.5 μg/m3 (6) 17.0
 
Jan. 10, 2019, 2 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 2.4 μg/m3 (10) 17.0
 
Jan. 10, 2019, 1 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 3.1 μg/m3 (13) 17.0
 
Jan. 10, 2019, midnight 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 3.7 μg/m3 (15) 17.0