AQSQID: 340410007

Site Name: Columbia

Location: Warren Co, NJ

Reporting: True, Located: True

Current AQI: 55.0

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
July 20, 2019, 2 a.m. 15.0 ppb (14) 3.0 ppb (3) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 14.5 μg/m3 (55) 55.0
 
July 20, 2019, 1 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 15.1 μg/m3 (57) 57.0
 
July 20, 2019, midnight 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 15.4 μg/m3 (57) 57.0
 
July 19, 2019, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 14.8 μg/m3 (56) 56.0
 
July 19, 2019, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 11.6 μg/m3 (48) 48.0
 
July 19, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A N/A 34.0
 
July 19, 2019, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 11.2 μg/m3 (47) 47.0
 
July 19, 2019, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 11.7 μg/m3 (49) 49.0
 
July 19, 2019, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 11.8 μg/m3 (49) 49.0
 
July 19, 2019, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 7.1 μg/m3 (30) 33.0
 
July 19, 2019, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 6.2 μg/m3 (26) 32.0
 
July 19, 2019, 3 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 6.2 μg/m3 (26) 28.0
 
July 19, 2019, 2 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 8.8 μg/m3 (37) 37.0
 
July 19, 2019, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A N/A 18.0
 
July 19, 2019, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 19, 2019, 11 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 3.2 μg/m3 (13) 13.0
 
July 19, 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 3.8 μg/m3 (16) 16.0
 
July 19, 2019, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 4.0 ppb (3) N/A N/A 4.3 μg/m3 (18) 18.0
 
July 19, 2019, 8 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 3.0 ppb (2) N/A N/A 5.2 μg/m3 (22) 22.0
 
July 19, 2019, 7 a.m. 28.0 ppb (26) 19.0 ppb (18) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 4.6 μg/m3 (19) 26.0
 
July 19, 2019, 6 a.m. 18.0 ppb (17) 9.0 ppb (8) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 6.8 μg/m3 (28) 28.0
 
July 19, 2019, 5 a.m. 20.0 ppb (19) 11.0 ppb (10) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A N/A 19.0
 
July 19, 2019, 4 a.m. 16.0 ppb (15) 6.0 ppb (6) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 19, 2019, 3 a.m. 25.0 ppb (23) 12.0 ppb (11) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 4.2 μg/m3 (18) 23.0
 
July 19, 2019, 2 a.m. 31.0 ppb (29) 15.0 ppb (14) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 5.2 μg/m3 (22) 29.0
 
July 19, 2019, 1 a.m. 20.0 ppb (19) 7.0 ppb (6) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 5.5 μg/m3 (23) 23.0
 
July 19, 2019, midnight 27.0 ppb (25) 11.0 ppb (10) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 4.2 μg/m3 (18) 25.0
 
July 18, 2019, 11 p.m. 25.0 ppb (23) 11.0 ppb (10) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 2.6 μg/m3 (11) 23.0
 
July 18, 2019, 10 p.m. 29.0 ppb (27) 15.0 ppb (14) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 1.8 μg/m3 (8) 27.0
 
July 18, 2019, 9 p.m. 15.0 ppb (14) 5.0 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A N/A 16.0
 
July 18, 2019, 8 p.m. 13.0 ppb (12) 6.0 ppb (6) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 18, 2019, 7 p.m. 18.0 ppb (17) 9.0 ppb (8) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 5.9 μg/m3 (25) 25.0
 
July 18, 2019, 6 p.m. 22.0 ppb (20) 12.0 ppb (11) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 3.9 μg/m3 (16) 20.0
 
July 18, 2019, 5 p.m. 29.0 ppb (27) 16.0 ppb (15) N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A N/A N/A 4.4 μg/m3 (18) 27.0
 
July 18, 2019, 4 p.m. 30.0 ppb (28) 17.0 ppb (16) N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A N/A N/A 3.1 μg/m3 (13) 28.0
 
July 18, 2019, 3 p.m. 25.0 ppb (23) 13.0 ppb (12) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (12) 23.0
 
July 18, 2019, 2 p.m. 29.0 ppb (27) 17.0 ppb (16) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 1.7 μg/m3 (7) 27.0
 
July 18, 2019, 1 p.m. 35.0 ppb (32) 22.0 ppb (20) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A N/A 32.0
 
July 18, 2019, noon 36.0 ppb (33) 23.0 ppb (21) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 3.1 μg/m3 (13) 33.0
 
July 18, 2019, 11 a.m. 27.0 ppb (25) 15.0 ppb (14) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A N/A N/A 3.9 μg/m3 (16) 25.0
 
July 18, 2019, 10 a.m. 18.0 ppb (17) 8.0 ppb (7) N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A N/A 3.7 μg/m3 (15) 17.0
 
July 18, 2019, 9 a.m. 11.0 ppb (10) 4.0 ppb (4) N/A 7.0 ppb (6) N/A N/A 8.0 ppb (6) N/A N/A 2.2 μg/m3 (9) 10.0
 
July 18, 2019, 8 a.m. 31.0 ppb (29) 15.0 ppb (14) N/A 15.0 ppb (14) N/A N/A 3.0 ppb (2) N/A N/A 2.5 μg/m3 (10) 29.0
 
July 18, 2019, 7 a.m. 20.0 ppb (19) 8.0 ppb (7) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 4.0 μg/m3 (17) 19.0
 
July 18, 2019, 6 a.m. 26.0 ppb (24) 13.0 ppb (12) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 2.0 μg/m3 (8) 24.0
 
July 18, 2019, 5 a.m. 19.0 ppb (18) 7.0 ppb (6) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A N/A 18.0
 
July 18, 2019, 4 a.m. 13.0 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 2.4 μg/m3 (10) 12.0
 
July 18, 2019, 3 a.m. 28.0 ppb (26) 14.0 ppb (13) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 2.8 μg/m3 (12) 26.0
 
July 18, 2019, 2 a.m. 7.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 4.3 μg/m3 (18) 18.0
 
July 18, 2019, 1 a.m. 27.0 ppb (25) 10.0 ppb (9) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 7.8 μg/m3 (32) 32.0
 
July 18, 2019, midnight 27.0 ppb (25) 14.0 ppb (13) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 17, 2019, 11 p.m. 45.0 ppb (42) 24.0 ppb (22) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 12.3 μg/m3 (51) 51.0
 
July 17, 2019, 10 p.m. 20.0 ppb (19) 5.0 ppb (5) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 7.5 μg/m3 (31) 31.0
 
July 17, 2019, 9 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A N/A 20.0
 
July 17, 2019, 8 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 9.7 μg/m3 (40) 40.0
 
July 17, 2019, 7 p.m. 17.0 ppb (16) 5.0 ppb (5) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 12.2 μg/m3 (50) 50.0
 
July 17, 2019, 6 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 10.6 μg/m3 (44) 44.0
 
July 17, 2019, 5 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (38) N/A N/A 8.7 μg/m3 (36) 38.0
 
July 17, 2019, 4 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 51.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
July 17, 2019, 3 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 3.9 μg/m3 (16) 34.0
 
July 17, 2019, 2 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 4.7 μg/m3 (20) 28.0
 
July 17, 2019, 1 p.m. 13.0 ppb (12) 4.0 ppb (4) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A N/A 21.0
 
July 17, 2019, noon 14.0 ppb (13) 5.0 ppb (5) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 17, 2019, 11 a.m. 17.0 ppb (16) 7.0 ppb (6) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 7.4 μg/m3 (31) 31.0
 
July 17, 2019, 10 a.m. 35.0 ppb (32) 22.0 ppb (20) N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A N/A N/A 6.7 μg/m3 (28) 32.0
 
July 17, 2019, 9 a.m. 44.0 ppb (41) 28.0 ppb (26) N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) N/A N/A 5.9 μg/m3 (25) 41.0
 
July 17, 2019, 8 a.m. 34.0 ppb (31) 20.0 ppb (19) N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (25) 31.0
 
July 17, 2019, 7 a.m. 15.0 ppb (14) 4.0 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 5.6 μg/m3 (23) 23.0
 
July 17, 2019, 6 a.m. 13.0 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 17, 2019, 5 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A N/A 8.0
 
July 17, 2019, 4 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 10.2 μg/m3 (42) 42.0
 
July 17, 2019, 3 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 13.4 μg/m3 (53) 53.0
 
July 17, 2019, 2 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 14.2 μg/m3 (55) 55.0
 
July 17, 2019, 1 a.m. 23.0 ppb (21) 3.0 ppb (3) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 13.5 μg/m3 (53) 53.0
 
July 17, 2019, midnight 11.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 15.0 μg/m3 (56) 56.0
 
July 16, 2019, 11 p.m. 9.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 54.0 ppb (42) N/A N/A 15.0 μg/m3 (56) 56.0
 
July 16, 2019, 10 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 69.0 ppb (53) N/A N/A 11.2 μg/m3 (47) 53.0
 
July 16, 2019, 9 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 69.0 ppb (53) N/A N/A N/A 53.0
 
July 16, 2019, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 64.0 ppb (49) N/A N/A 7.7 μg/m3 (32) 49.0
 
July 16, 2019, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 61.0 ppb (47) N/A N/A 7.6 μg/m3 (32) 47.0
 
July 16, 2019, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 59.0 ppb (45) N/A N/A 10.1 μg/m3 (42) 45.0
 
July 16, 2019, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 60.0 ppb (46) N/A N/A 11.6 μg/m3 (48) 48.0
 
July 16, 2019, 4 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 60.0 ppb (46) N/A N/A 9.9 μg/m3 (41) 46.0
 
July 16, 2019, 3 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 51.0 ppb (39) N/A N/A 6.9 μg/m3 (29) 39.0
 
July 16, 2019, 2 p.m. 9.0 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 2.4 μg/m3 (10) 29.0
 
July 16, 2019, 1 p.m. 12.0 ppb (11) 4.0 ppb (4) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A N/A 15.0
 
July 16, 2019, noon 20.0 ppb (19) 11.0 ppb (10) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 2.8 μg/m3 (12) 19.0
 
July 16, 2019, 11 a.m. 18.0 ppb (17) 10.0 ppb (9) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 8.1 μg/m3 (34) 34.0
 
July 16, 2019, 10 a.m. 26.0 ppb (24) 19.0 ppb (18) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 9.2 μg/m3 (38) 38.0
 
July 16, 2019, 9 a.m. 39.0 ppb (36) 32.0 ppb (30) N/A 6.0 ppb (6) N/A N/A 0.0 ppb (0) N/A N/A 8.5 μg/m3 (35) 36.0
 
July 16, 2019, 8 a.m. 75.0 ppb (72) 65.0 ppb (62) N/A 10.0 ppb (9) N/A N/A 0.0 ppb (0) N/A N/A 8.7 μg/m3 (36) 72.0
 
July 16, 2019, 7 a.m. 65.0 ppb (62) 53.0 ppb (49) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 7.1 μg/m3 (30) 62.0
 
July 16, 2019, 6 a.m. 55.0 ppb (51) 44.0 ppb (41) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 6.0 μg/m3 (25) 51.0
 
July 16, 2019, 5 a.m. 64.0 ppb (61) 50.0 ppb (46) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A 61.0
 
July 16, 2019, 4 a.m. 46.0 ppb (43) 31.0 ppb (29) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 6.6 μg/m3 (28) 43.0
 
July 16, 2019, 3 a.m. 42.0 ppb (39) 25.0 ppb (23) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 4.3 μg/m3 (18) 39.0
 
July 16, 2019, 2 a.m. 38.0 ppb (35) 20.0 ppb (19) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 2.9 μg/m3 (12) 35.0
 
July 16, 2019, 1 a.m. 23.0 ppb (21) 6.0 ppb (6) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 4.3 μg/m3 (18) 21.0
 
July 16, 2019, midnight 22.0 ppb (20) 4.0 ppb (4) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 11 p.m. 15.0 ppb (14) 3.0 ppb (3) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 11.5 μg/m3 (48) 48.0
 
July 15, 2019, 10 p.m. 11.0 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 15, 2019, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A N/A 33.0
 
July 15, 2019, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 4.5 μg/m3 (19) 32.0
 
July 15, 2019, 7 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 2.0 μg/m3 (8) 28.0
 
July 15, 2019, 6 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 1.1 μg/m3 (5) 28.0
 
July 15, 2019, 5 p.m. 7.0 ppb (6) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 2.5 μg/m3 (10) 26.0
 
July 15, 2019, 4 p.m. 9.0 ppb (8) 4.0 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 4.9 μg/m3 (20) 25.0
 
July 15, 2019, 3 p.m. 6.0 ppb (6) 3.0 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 7.2 μg/m3 (30) 30.0
 
July 15, 2019, 2 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 7.2 μg/m3 (30) 30.0
 
July 15, 2019, 1 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A N/A 16.0
 
July 15, 2019, noon 6.0 ppb (6) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 5.8 μg/m3 (24) 24.0
 
July 15, 2019, 11 a.m. 31.0 ppb (29) 19.0 ppb (18) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 10 a.m. 109.0 ppb (102) 91.0 ppb (89) N/A 17.0 ppb (16) N/A 1.0 ppb (1) N/A N/A N/A 9.0 μg/m3 (38) 102.0
 
July 15, 2019, 9 a.m. 57.0 ppb (53) 43.0 ppb (40) N/A 13.0 ppb (12) N/A N/A 0.0 ppb (0) N/A N/A 10.1 μg/m3 (42) 53.0
 
July 15, 2019, 8 a.m. 76.0 ppb (73) 61.0 ppb (57) N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) N/A N/A 8.3 μg/m3 (35) 73.0
 
July 15, 2019, 7 a.m. 36.0 ppb (33) 23.0 ppb (21) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 8.5 μg/m3 (35) 35.0
 
July 15, 2019, 6 a.m. 40.0 ppb (37) 23.0 ppb (21) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 8.7 μg/m3 (36) 37.0
 
July 15, 2019, 5 a.m. 19.0 ppb (18) 9.0 ppb (8) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A N/A 18.0
 
July 15, 2019, 4 a.m. 19.0 ppb (18) 7.0 ppb (6) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 15, 2019, 3 a.m. 28.0 ppb (26) 13.0 ppb (12) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 15, 2019, 2 a.m. 48.0 ppb (44) 28.0 ppb (26) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 6.4 μg/m3 (27) 44.0
 
July 15, 2019, 1 a.m. 30.0 ppb (28) 12.0 ppb (11) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 5.2 μg/m3 (22) 28.0
 
July 15, 2019, midnight 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 14, 2019, 11 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 10.2 μg/m3 (42) 42.0
 
July 14, 2019, 10 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 9.8 μg/m3 (41) 41.0
 
July 14, 2019, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A N/A 25.0
 
July 14, 2019, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 8.8 μg/m3 (37) 37.0
 
July 14, 2019, 7 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 14, 2019, 6 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 14, 2019, 5 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 11.5 μg/m3 (48) 48.0
 
July 14, 2019, 4 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 14, 2019, 3 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 10.9 μg/m3 (45) 45.0
 
July 14, 2019, 2 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 11.5 μg/m3 (48) 48.0
 
July 14, 2019, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A N/A 31.0
 
July 14, 2019, noon 10.0 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 10.8 μg/m3 (45) 45.0
 
July 14, 2019, 11 a.m. 11.0 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 11.6 μg/m3 (48) 48.0
 
July 14, 2019, 10 a.m. 24.0 ppb (22) 18.0 ppb (17) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 12.3 μg/m3 (51) 51.0
 
July 14, 2019, 9 a.m. 22.0 ppb (20) 15.0 ppb (14) N/A 7.0 ppb (6) N/A N/A 0.0 ppb (0) N/A N/A 12.9 μg/m3 (52) 52.0
 
July 14, 2019, 8 a.m. 34.0 ppb (31) 26.0 ppb (24) N/A 7.0 ppb (6) N/A N/A 0.0 ppb (0) N/A N/A 13.7 μg/m3 (54) 54.0
 
July 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 15.5 μg/m3 (57) 57.0
 
July 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 16.8 μg/m3 (60) 60.0
 
July 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A N/A 1.0
 
July 14, 2019, 4 a.m. 17.0 ppb (16) 3.0 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 10.9 μg/m3 (45) 45.0
 
July 14, 2019, 3 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 9.3 μg/m3 (39) 39.0
 
July 14, 2019, 2 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 14, 2019, 1 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 7.8 μg/m3 (32) 32.0
 
July 14, 2019, midnight 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 8.7 μg/m3 (36) 36.0
 
July 13, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 6.8 μg/m3 (28) 28.0
 
July 13, 2019, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 4.8 μg/m3 (20) 32.0
 
July 13, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A N/A 32.0
 
July 13, 2019, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
July 13, 2019, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 3.5 μg/m3 (15) 31.0
 
July 13, 2019, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 3.8 μg/m3 (16) 28.0
 
July 13, 2019, 5 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 5.7 μg/m3 (24) 28.0
 
July 13, 2019, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 7.2 μg/m3 (30) 30.0
 
July 13, 2019, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 8.1 μg/m3 (34) 34.0
 
July 13, 2019, 2 p.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 8.7 μg/m3 (36) 36.0
 
July 13, 2019, 1 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A N/A 22.0
 
July 13, 2019, noon 7.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 7.3 μg/m3 (30) 30.0
 
July 13, 2019, 11 a.m. 9.0 ppb (8) 4.0 ppb (4) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 7.2 μg/m3 (30) 30.0
 
July 13, 2019, 10 a.m. 13.0 ppb (12) 8.0 ppb (7) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 7.5 μg/m3 (31) 31.0
 
July 13, 2019, 9 a.m. 24.0 ppb (22) 16.0 ppb (15) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 13, 2019, 8 a.m. 19.0 ppb (18) 12.0 ppb (11) N/A 6.0 ppb (6) N/A N/A 0.0 ppb (0) N/A N/A 8.4 μg/m3 (35) 35.0
 
July 13, 2019, 7 a.m. 34.0 ppb (31) 25.0 ppb (23) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 8.6 μg/m3 (36) 36.0
 
July 13, 2019, 6 a.m. 26.0 ppb (24) 16.0 ppb (15) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 8.6 μg/m3 (36) 36.0
 
July 13, 2019, 5 a.m. 16.0 ppb (15) 7.0 ppb (6) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A 15.0
 
July 13, 2019, 4 a.m. 27.0 ppb (25) 13.0 ppb (12) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 9.4 μg/m3 (39) 39.0
 
July 13, 2019, 3 a.m. 32.0 ppb (30) 16.0 ppb (15) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 8.4 μg/m3 (35) 35.0