AQSQID: 391351001

Site Name: Preble County

Location: Preble Co, OH

Reporting: True, Located: True

Current AQI: 54.0

Preble Co OH, US: 39.83562, -84.72049

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.13 ppb (1) N/A 13.7 μg/m3 (54) 54.0
 
July 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.14 ppb (2) N/A 16.6 μg/m3 (60) 60.0
 
July 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.1 ppb (1) N/A 19.3 μg/m3 (66) 66.0
 
July 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.14 ppb (2) N/A 16.6 μg/m3 (60) 60.0
 
July 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.15 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
July 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.14 ppb (2) N/A 14.3 μg/m3 (55) 55.0
 
July 20, 2019, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.1 ppb (1) N/A 14.1 μg/m3 (54) 54.0
 
July 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.13 ppb (1) N/A 14.5 μg/m3 (55) 55.0
 
July 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.13 ppb (1) N/A 15.1 μg/m3 (57) 57.0
 
July 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.12 ppb (1) N/A 15.8 μg/m3 (58) 58.0
 
July 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.11 ppb (1) N/A 15.0 μg/m3 (56) 56.0
 
July 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.14 ppb (2) N/A 13.7 μg/m3 (54) 54.0
 
July 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.14 ppb (2) N/A 13.2 μg/m3 (53) 53.0
 
July 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.14 ppb (2) N/A 12.2 μg/m3 (50) 50.0
 
July 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.11 ppb (1) N/A 11.1 μg/m3 (46) 46.0
 
July 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.14 ppb (2) N/A 11.5 μg/m3 (48) 48.0
 
July 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.14 ppb (2) N/A 11.9 μg/m3 (50) 50.0
 
July 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.14 ppb (2) N/A 12.5 μg/m3 (51) 51.0
 
July 19, 2019, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.11 ppb (1) N/A 13.0 μg/m3 (52) 52.0
 
July 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.14 ppb (2) N/A 14.3 μg/m3 (55) 55.0
 
July 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 13.3 μg/m3 (53) 53.0
 
July 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.13 ppb (1) N/A 12.4 μg/m3 (51) 51.0
 
July 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.11 ppb (1) N/A 11.7 μg/m3 (49) 49.0
 
July 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.15 ppb (2) N/A 10.5 μg/m3 (44) 44.0
 
July 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.15 ppb (2) N/A 10.1 μg/m3 (42) 42.0
 
July 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.15 ppb (2) N/A 10.6 μg/m3 (44) 44.0
 
July 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.12 ppb (1) N/A 11.2 μg/m3 (47) 47.0
 
July 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.16 ppb (2) N/A 11.7 μg/m3 (49) 49.0
 
July 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.18 ppb (2) N/A 11.9 μg/m3 (50) 50.0
 
July 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.15 ppb (2) N/A 9.8 μg/m3 (41) 41.0
 
July 19, 2019, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.1 ppb (1) N/A 7.5 μg/m3 (31) 31.0
 
July 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.12 ppb (1) N/A 6.5 μg/m3 (27) 30.0
 
July 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.11 ppb (1) N/A 3.9 μg/m3 (16) 31.0
 
July 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.12 ppb (1) N/A 4.2 μg/m3 (18) 27.0
 
July 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.09 ppb (1) N/A 5.1 μg/m3 (21) 29.0
 
July 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.12 ppb (1) N/A 7.9 μg/m3 (33) 33.0
 
July 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.12 ppb (1) N/A 8.6 μg/m3 (36) 36.0
 
July 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.12 ppb (1) N/A 6.2 μg/m3 (26) 36.0
 
July 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.09 ppb (1) N/A 4.3 μg/m3 (18) 32.0
 
July 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 28.0
 
July 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.12 ppb (1) N/A 3.6 μg/m3 (15) 25.0
 
July 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.12 ppb (1) N/A 5.7 μg/m3 (24) 24.0
 
July 18, 2019, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A 5.9 μg/m3 (25) 25.0
 
July 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.15 ppb (2) N/A 7.2 μg/m3 (30) 30.0
 
July 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.16 ppb (2) N/A 7.4 μg/m3 (31) 31.0
 
July 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.1 ppb (1) N/A 7.2 μg/m3 (30) 30.0
 
July 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.13 ppb (1) N/A 6.7 μg/m3 (28) 28.0
 
July 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.13 ppb (1) N/A 6.5 μg/m3 (27) 27.0
 
July 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.14 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
July 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.11 ppb (1) N/A N/A 1.0
 
July 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A N/A 2.0
 
July 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A N/A 1.0
 
July 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.11 ppb (1) N/A N/A 1.0
 
July 18, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.08 ppb (1) N/A N/A 1.0
 
July 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.12 ppb (1) N/A N/A 1.0
 
July 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.11 ppb (1) N/A N/A 1.0
 
July 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.1 ppb (1) N/A 6.8 μg/m3 (28) 28.0
 
July 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.08 ppb (1) N/A 5.8 μg/m3 (24) 28.0
 
July 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.11 ppb (1) N/A 4.3 μg/m3 (18) 26.0
 
July 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.1 ppb (1) N/A 3.4 μg/m3 (14) 25.0
 
July 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 25.0
 
July 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.08 ppb (1) N/A 2.8 μg/m3 (12) 23.0
 
July 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.11 ppb (1) N/A 2.2 μg/m3 (9) 22.0
 
July 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.12 ppb (1) N/A 2.4 μg/m3 (10) 18.0
 
July 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.11 ppb (1) N/A 2.2 μg/m3 (9) 15.0
 
July 17, 2019, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.09 ppb (1) N/A 1.1 μg/m3 (5) 12.0
 
July 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.11 ppb (1) N/A 1.2 μg/m3 (5) 12.0
 
July 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 2.3 μg/m3 (10) 14.0
 
July 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 14.0
 
July 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.08 ppb (1) N/A 4.3 μg/m3 (18) 18.0
 
July 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.1 ppb (1) N/A 4.3 μg/m3 (18) 18.0
 
July 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A 3.4 μg/m3 (14) 15.0
 
July 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A 3.9 μg/m3 (16) 17.0
 
July 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.08 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A 5.7 μg/m3 (24) 24.0
 
July 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.11 ppb (1) N/A 6.2 μg/m3 (26) 26.0
 
July 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A 5.6 μg/m3 (23) 23.0
 
July 17, 2019, midnight N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.09 ppb (1) N/A 5.3 μg/m3 (22) 22.0
 
July 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.11 ppb (1) N/A 5.5 μg/m3 (23) 23.0
 
July 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A 5.3 μg/m3 (22) 22.0
 
July 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.1 ppb (1) N/A 4.7 μg/m3 (20) 22.0
 
July 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.08 ppb (1) N/A 4.7 μg/m3 (20) 22.0
 
July 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.1 ppb (1) N/A 5.7 μg/m3 (24) 24.0
 
July 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.1 ppb (1) N/A 5.5 μg/m3 (23) 23.0
 
July 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.1 ppb (1) N/A 5.2 μg/m3 (22) 22.0
 
July 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.09 ppb (1) N/A 5.5 μg/m3 (23) 23.0
 
July 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.12 ppb (1) N/A 5.6 μg/m3 (23) 23.0
 
July 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.13 ppb (1) N/A 5.9 μg/m3 (25) 25.0
 
July 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.13 ppb (1) N/A 6.8 μg/m3 (28) 28.0
 
July 16, 2019, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.12 ppb (1) N/A 7.5 μg/m3 (31) 31.0
 
July 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.15 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
July 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 8.5 μg/m3 (35) 35.0
 
July 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.15 ppb (2) N/A 7.5 μg/m3 (31) 31.0
 
July 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.16 ppb (2) N/A 7.7 μg/m3 (32) 32.0
 
July 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.16 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
July 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.12 ppb (1) N/A 6.5 μg/m3 (27) 27.0
 
July 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.11 ppb (1) N/A N/A 1.0
 
July 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.08 ppb (1) N/A N/A 1.0
 
July 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.11 ppb (1) N/A N/A 1.0
 
July 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.11 ppb (1) N/A N/A 1.0
 
July 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.11 ppb (1) N/A N/A 1.0
 
July 16, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.09 ppb (1) N/A N/A 1.0
 
July 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.11 ppb (1) N/A N/A 1.0
 
July 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.12 ppb (1) N/A 6.9 μg/m3 (29) 29.0
 
July 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.13 ppb (1) N/A 8.4 μg/m3 (35) 35.0
 
July 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) N/A 8.6 μg/m3 (36) 36.0
 
July 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.11 ppb (1) N/A 6.1 μg/m3 (25) 31.0
 
July 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.13 ppb (1) N/A 9.3 μg/m3 (39) 40.0
 
July 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.12 ppb (1) N/A 7.7 μg/m3 (32) 38.0
 
July 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.08 ppb (1) N/A 7.3 μg/m3 (30) 35.0
 
July 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.12 ppb (1) N/A 6.9 μg/m3 (29) 32.0
 
July 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.12 ppb (1) N/A 7.2 μg/m3 (30) 30.0
 
July 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
July 15, 2019, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.11 ppb (1) N/A 8.1 μg/m3 (34) 34.0
 
July 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 7.5 μg/m3 (31) 31.0
 
July 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 6.7 μg/m3 (28) 28.0
 
July 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.14 ppb (2) N/A 6.1 μg/m3 (25) 25.0
 
July 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.11 ppb (1) N/A 6.7 μg/m3 (28) 28.0
 
July 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.14 ppb (2) N/A 7.2 μg/m3 (30) 30.0
 
July 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.15 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
July 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.14 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
July 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.12 ppb (1) N/A N/A 1.0
 
July 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A N/A 2.0
 
July 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A N/A 2.0
 
July 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.12 ppb (1) N/A N/A 1.0
 
July 15, 2019, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.08 ppb (1) N/A 3.6 μg/m3 (15) 43.0
 
July 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) 0.18 ppb (2) N/A 10.4 μg/m3 (43) 45.0
 
July 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) 0.18 ppb (2) N/A 9.8 μg/m3 (41) 51.0
 
July 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) 0.17 ppb (2) N/A 8.9 μg/m3 (37) 51.0
 
July 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) 0.14 ppb (2) N/A 7.7 μg/m3 (32) 50.0
 
July 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) 0.18 ppb (2) N/A 7.2 μg/m3 (30) 48.0
 
July 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) 0.18 ppb (2) N/A 6.2 μg/m3 (26) 47.0
 
July 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.17 ppb (2) N/A 6.1 μg/m3 (25) 45.0
 
July 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.13 ppb (1) N/A 5.9 μg/m3 (25) 39.0
 
July 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.15 ppb (2) N/A 5.4 μg/m3 (23) 36.0
 
July 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.15 ppb (2) N/A 5.7 μg/m3 (24) 31.0
 
July 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.14 ppb (2) N/A 5.8 μg/m3 (24) 28.0
 
July 14, 2019, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.12 ppb (1) N/A 7.4 μg/m3 (31) 31.0
 
July 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.18 ppb (2) N/A 10.1 μg/m3 (42) 42.0
 
July 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 10.7 μg/m3 (45) 45.0
 
July 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.17 ppb (2) N/A 10.4 μg/m3 (43) 43.0
 
July 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A N/A 1.0
 
July 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (2) N/A N/A 2.0
 
July 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (2) N/A N/A 2.0
 
July 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (2) N/A N/A 2.0
 
July 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A N/A 2.0
 
July 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
July 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.21 ppb (2) N/A N/A 2.0
 
July 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (2) N/A N/A 2.0
 
July 14, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A N/A 2.0
 
July 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (2) N/A N/A 2.0
 
July 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (2) N/A N/A 2.0
 
July 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) 0.15 ppb (2) N/A 4.9 μg/m3 (20) 55.0
 
July 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) 0.12 ppb (1) N/A 4.1 μg/m3 (17) 51.0
 
July 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) 0.15 ppb (2) N/A 4.2 μg/m3 (18) 48.0
 
July 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) 0.15 ppb (2) N/A 4.7 μg/m3 (20) 48.0
 
July 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) 0.15 ppb (2) N/A 5.2 μg/m3 (22) 46.0
 
July 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) 0.11 ppb (1) N/A 6.0 μg/m3 (25) 46.0
 
July 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) 0.15 ppb (2) N/A 6.4 μg/m3 (27) 45.0
 
July 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.15 ppb (2) N/A 7.2 μg/m3 (30) 39.0
 
July 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.18 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
July 13, 2019, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.15 ppb (2) N/A 20.5 μg/m3 (68) 68.0
 
July 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.21 ppb (2) N/A 22.2 μg/m3 (72) 72.0
 
July 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 26.7 μg/m3 (81) 81.0
 
July 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.23 ppb (3) N/A 28.2 μg/m3 (84) 84.0
 
July 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.17 ppb (2) N/A 32.9 μg/m3 (94) 94.0
 
July 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.19 ppb (2) N/A 34.9 μg/m3 (99) 99.0