AQSQID: 060658001

Site Name: Riverside - Rubidoux

Location: Riverside Co, CA

Reporting: True, Located: True

Current AQI: 46.0

Riverside Co CA, US: 34.0103, -117.4258

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 22, 2019, 11 a.m. 10.9 ppb (10) 0.7 ppb (1) 8.8 ppb (8) 10.0 ppb (9) 8.5 ppb (8) 0.0 ppb (0) 9.0 ppb (7) 0.22 ppb (2) 32.0 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
July 22, 2019, 10 a.m. 9.4 ppb (9) 0.3 ppb (0) 8.0 ppb (7) 9.0 ppb (8) 7.9 ppb (7) 0.0 ppb (0) 15.0 ppb (12) 0.19 ppb (2) 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
July 22, 2019, 9 a.m. 11.1 ppb (10) 0.3 ppb (0) 8.2 ppb (8) 11.0 ppb (10) 8.1 ppb (8) 0.0 ppb (0) 16.0 ppb (12) 0.23 ppb (3) 34.0 μg/m3 (31) 8.0 μg/m3 (33) 33.0
 
July 22, 2019, 8 a.m. 10.0 ppb (9) 0.3 ppb (0) 8.7 ppb (8) 10.0 ppb (9) 8.6 ppb (8) 0.0 ppb (0) 18.0 ppb (14) 0.21 ppb (2) 33.0 μg/m3 (30) 7.0 μg/m3 (29) 30.0
 
July 22, 2019, 7 a.m. 9.2 ppb (9) 0.2 ppb (0) 8.2 ppb (8) 9.0 ppb (8) 8.1 ppb (8) 0.0 ppb (0) 24.0 ppb (18) 0.22 ppb (2) 34.0 μg/m3 (31) 6.0 μg/m3 (25) 31.0
 
July 22, 2019, 6 a.m. 8.7 ppb (8) 0.1 ppb (0) 7.7 ppb (7) 9.0 ppb (8) 7.7 ppb (7) 1.0 ppb (1) 27.0 ppb (21) 0.2 ppb (2) 35.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
July 22, 2019, 5 a.m. 9.3 ppb (9) 0.1 ppb (0) 8.2 ppb (8) 9.0 ppb (8) 8.1 ppb (8) 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) 49.0 μg/m3 (45) 10.0 μg/m3 (42) 45.0
 
July 22, 2019, 4 a.m. 9.0 ppb (8) 0.0 ppb (0) 8.0 ppb (7) 9.0 ppb (8) 8.0 ppb (7) 1.0 ppb (1) 30.0 ppb (23) 0.21 ppb (2) 43.0 μg/m3 (39) 9.0 μg/m3 (38) 39.0
 
July 22, 2019, 3 a.m. 6.6 ppb (6) -0.1 ppb (0) 5.8 ppb (5) 7.0 ppb (6) 5.7 ppb (5) 1.0 ppb (1) 38.0 ppb (29) 0.18 ppb (2) 41.0 μg/m3 (37) 7.0 μg/m3 (29) 37.0
 
July 22, 2019, 2 a.m. 5.5 ppb (5) -0.1 ppb (0) 5.0 ppb (5) 6.0 ppb (6) 4.9 ppb (5) 1.0 ppb (1) 49.0 ppb (38) 0.17 ppb (2) 40.0 μg/m3 (36) 8.0 μg/m3 (33) 38.0
 
July 22, 2019, 1 a.m. 4.1 ppb (4) -0.1 ppb (0) 4.2 ppb (4) 4.0 ppb (4) 3.9 ppb (4) 1.0 ppb (1) 66.0 ppb (51) 0.16 ppb (2) 44.0 μg/m3 (40) 10.0 μg/m3 (42) 51.0
 
July 22, 2019, midnight 4.1 ppb (4) 0.0 ppb (0) 4.2 ppb (4) 4.0 ppb (4) 3.9 ppb (4) 1.0 ppb (1) 77.0 ppb (60) 0.18 ppb (2) 49.0 μg/m3 (45) 8.0 μg/m3 (33) 60.0
 
July 21, 2019, 11 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 80.0 ppb (62) 0.18 ppb (2) 44.0 μg/m3 (40) 7.0 μg/m3 (29) 62.0
 
July 21, 2019, 10 p.m. 3.9 ppb (4) 0.0 ppb (0) 4.3 ppb (4) 4.0 ppb (4) 4.1 ppb (4) 1.0 ppb (1) 76.0 ppb (59) 0.17 ppb (2) 38.0 μg/m3 (35) 8.0 μg/m3 (33) 59.0
 
July 21, 2019, 9 p.m. 4.2 ppb (4) 0.0 ppb (0) 4.6 ppb (4) 4.0 ppb (4) 4.3 ppb (4) 1.0 ppb (1) 71.0 ppb (55) 0.16 ppb (2) 32.0 μg/m3 (29) 6.0 μg/m3 (25) 55.0
 
July 21, 2019, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) 3.3 ppb (3) 3.0 ppb (3) 3.0 ppb (3) 0.0 ppb (0) 55.0 ppb (42) 0.12 ppb (1) 31.0 μg/m3 (28) 5.0 μg/m3 (21) 42.0
 
July 21, 2019, 7 p.m. 4.2 ppb (4) 0.2 ppb (0) 4.5 ppb (4) 4.0 ppb (4) 4.2 ppb (4) 0.0 ppb (0) 62.0 ppb (48) 0.15 ppb (2) 38.0 μg/m3 (35) 8.0 μg/m3 (33) 48.0
 
July 21, 2019, 6 p.m. 8.0 ppb (7) 0.7 ppb (1) 8.2 ppb (8) 7.0 ppb (6) 7.4 ppb (7) 1.0 ppb (1) 64.0 ppb (49) 0.21 ppb (2) 38.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
July 21, 2019, 5 p.m. 12.1 ppb (11) 2.2 ppb (2) 11.8 ppb (11) 10.0 ppb (9) 9.6 ppb (9) 1.0 ppb (1) 44.0 ppb (34) 0.26 ppb (3) 52.0 μg/m3 (47) 14.0 μg/m3 (54) 54.0
 
July 21, 2019, 4 p.m. 13.8 ppb (13) 3.5 ppb (3) 12.9 ppb (12) 10.0 ppb (9) 9.5 ppb (9) 1.0 ppb (1) 29.0 ppb (22) 0.26 ppb (3) 48.0 μg/m3 (44) 16.0 μg/m3 (59) 59.0
 
July 21, 2019, 3 p.m. 15.8 ppb (15) 4.9 ppb (5) 14.6 ppb (14) 11.0 ppb (10) 9.8 ppb (9) 1.0 ppb (1) 20.0 ppb (15) 0.27 ppb (3) 43.0 μg/m3 (39) 18.0 μg/m3 (63) 63.0
 
July 21, 2019, 2 p.m. 15.6 ppb (14) 4.7 ppb (4) 13.5 ppb (12) 11.0 ppb (10) 9.1 ppb (8) 1.0 ppb (1) 13.0 ppb (10) 0.27 ppb (3) 32.0 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
July 21, 2019, 1 p.m. 14.2 ppb (13) 2.3 ppb (2) 11.3 ppb (10) 12.0 ppb (11) 9.0 ppb (8) 0.0 ppb (0) 9.0 ppb (7) 0.27 ppb (3) 28.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
July 21, 2019, noon 11.7 ppb (11) 0.7 ppb (1) 9.2 ppb (9) 11.0 ppb (10) 9.1 ppb (8) 0.0 ppb (0) 9.0 ppb (7) 0.25 ppb (3) 40.0 μg/m3 (36) 12.0 μg/m3 (50) 50.0
 
July 21, 2019, 11 a.m. 12.3 ppb (11) 0.6 ppb (1) 8.6 ppb (8) 12.0 ppb (11) 8.4 ppb (8) 0.0 ppb (0) 9.0 ppb (7) 0.28 ppb (3) 38.0 μg/m3 (35) N/A 35.0
 
July 21, 2019, 10 a.m. 13.7 ppb (13) 0.6 ppb (1) 10.8 ppb (10) 13.0 ppb (12) 10.7 ppb (10) 0.0 ppb (0) 9.0 ppb (7) 0.26 ppb (3) 38.0 μg/m3 (35) N/A 35.0
 
July 21, 2019, 9 a.m. 10.8 ppb (10) 0.4 ppb (0) 8.6 ppb (8) 10.0 ppb (9) 8.4 ppb (8) 0.0 ppb (0) 14.0 ppb (11) 0.26 ppb (3) 39.0 μg/m3 (35) N/A 35.0
 
July 21, 2019, 8 a.m. 8.8 ppb (8) 0.2 ppb (0) 7.9 ppb (7) 9.0 ppb (8) 7.9 ppb (7) 0.0 ppb (0) 20.0 ppb (15) 0.23 ppb (3) 35.0 μg/m3 (32) N/A 32.0
 
July 21, 2019, 7 a.m. 9.1 ppb (8) 0.2 ppb (0) 8.0 ppb (7) 9.0 ppb (8) 7.9 ppb (7) 0.0 ppb (0) 23.0 ppb (18) 0.24 ppb (3) 34.0 μg/m3 (31) 12.0 μg/m3 (50) 50.0
 
July 21, 2019, 6 a.m. 7.3 ppb (7) 0.0 ppb (0) 6.4 ppb (6) 7.0 ppb (6) 6.3 ppb (6) 1.0 ppb (1) 28.0 ppb (22) 0.18 ppb (2) 39.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
July 21, 2019, 5 a.m. 6.3 ppb (6) -0.1 ppb (0) 5.5 ppb (5) 6.0 ppb (6) 5.4 ppb (5) 0.0 ppb (0) 33.0 ppb (25) 0.16 ppb (2) 41.0 μg/m3 (37) 11.0 μg/m3 (46) 46.0
 
July 21, 2019, 4 a.m. 6.2 ppb (6) -0.1 ppb (0) 5.3 ppb (5) 6.0 ppb (6) 5.2 ppb (5) 0.0 ppb (0) 36.0 ppb (28) 0.16 ppb (2) 42.0 μg/m3 (38) 10.0 μg/m3 (42) 42.0
 
July 21, 2019, 3 a.m. 6.4 ppb (6) -0.1 ppb (0) 5.6 ppb (5) 7.0 ppb (6) 5.6 ppb (5) 1.0 ppb (1) 41.0 ppb (32) 0.17 ppb (2) 49.0 μg/m3 (45) 10.0 μg/m3 (42) 45.0
 
July 21, 2019, 2 a.m. 5.1 ppb (5) -0.1 ppb (0) 4.9 ppb (5) 5.0 ppb (5) 4.8 ppb (4) 1.0 ppb (1) 51.0 ppb (39) 0.16 ppb (2) 51.0 μg/m3 (46) 8.0 μg/m3 (33) 46.0
 
July 21, 2019, 1 a.m. 4.3 ppb (4) -0.1 ppb (0) 4.4 ppb (4) 4.0 ppb (4) 4.1 ppb (4) 1.0 ppb (1) 63.0 ppb (48) 0.15 ppb (2) 45.0 μg/m3 (41) 9.0 μg/m3 (38) 48.0
 
July 21, 2019, midnight 3.8 ppb (4) -0.1 ppb (0) 4.2 ppb (4) 4.0 ppb (4) 3.9 ppb (4) 1.0 ppb (1) 67.0 ppb (52) 0.15 ppb (2) 50.0 μg/m3 (45) 9.0 μg/m3 (38) 52.0
 
July 20, 2019, 11 p.m. 4.1 ppb (4) 0.0 ppb (0) 4.6 ppb (4) 4.0 ppb (4) 4.3 ppb (4) 1.0 ppb (1) 74.0 ppb (57) 0.16 ppb (2) 58.0 μg/m3 (52) 9.0 μg/m3 (38) 57.0
 
July 20, 2019, 10 p.m. 4.1 ppb (4) 0.0 ppb (0) 4.6 ppb (4) 4.0 ppb (4) 4.4 ppb (4) 0.0 ppb (0) 75.0 ppb (58) 0.17 ppb (2) 44.0 μg/m3 (40) 8.0 μg/m3 (33) 58.0
 
July 20, 2019, 9 p.m. 3.7 ppb (3) 0.0 ppb (0) 4.2 ppb (4) 4.0 ppb (4) 4.0 ppb (4) 0.0 ppb (0) 69.0 ppb (53) 0.15 ppb (2) 37.0 μg/m3 (34) 6.0 μg/m3 (25) 53.0
 
July 20, 2019, 8 p.m. 3.2 ppb (3) 0.0 ppb (0) 4.0 ppb (4) 3.0 ppb (3) 3.7 ppb (3) 0.0 ppb (0) 67.0 ppb (52) 0.14 ppb (2) 32.0 μg/m3 (29) 8.0 μg/m3 (33) 52.0
 
July 20, 2019, 7 p.m. 4.4 ppb (4) 0.2 ppb (0) 5.2 ppb (5) 4.0 ppb (4) 4.8 ppb (4) 0.0 ppb (0) 58.0 ppb (45) 0.15 ppb (2) 36.0 μg/m3 (33) 12.0 μg/m3 (50) 50.0
 
July 20, 2019, 6 p.m. 7.8 ppb (7) 1.3 ppb (1) 9.0 ppb (8) 7.0 ppb (6) 7.7 ppb (7) 0.0 ppb (0) 45.0 ppb (35) 0.19 ppb (2) 39.0 μg/m3 (35) 17.0 μg/m3 (61) 61.0
 
July 20, 2019, 5 p.m. 9.9 ppb (9) 2.4 ppb (2) 10.9 ppb (10) 7.0 ppb (6) 8.4 ppb (8) 0.0 ppb (0) 32.0 ppb (25) 0.21 ppb (2) 41.0 μg/m3 (37) 15.0 μg/m3 (56) 56.0
 
July 20, 2019, 4 p.m. 10.7 ppb (10) 3.3 ppb (3) 11.2 ppb (10) 7.0 ppb (6) 8.0 ppb (7) 0.0 ppb (0) 23.0 ppb (18) 0.21 ppb (2) 40.0 μg/m3 (36) 19.0 μg/m3 (65) 65.0
 
July 20, 2019, 3 p.m. 12.9 ppb (12) 3.1 ppb (3) 12.8 ppb (12) 10.0 ppb (9) 9.8 ppb (9) 0.0 ppb (0) 17.0 ppb (13) 0.22 ppb (2) 37.0 μg/m3 (34) 14.0 μg/m3 (54) 54.0
 
July 20, 2019, 2 p.m. 11.0 ppb (10) 1.7 ppb (2) 10.1 ppb (9) 9.0 ppb (8) 8.7 ppb (8) 0.0 ppb (0) 14.0 ppb (11) 0.19 ppb (2) 29.0 μg/m3 (26) 17.0 μg/m3 (61) 61.0
 
July 20, 2019, 1 p.m. 9.7 ppb (9) 0.7 ppb (1) 7.7 ppb (7) 9.0 ppb (8) 7.1 ppb (7) 0.0 ppb (0) 12.0 ppb (9) 0.19 ppb (2) 30.0 μg/m3 (27) 16.0 μg/m3 (59) 59.0
 
July 20, 2019, noon 8.4 ppb (8) 0.4 ppb (0) 7.4 ppb (7) 8.0 ppb (7) 7.2 ppb (7) 0.0 ppb (0) 13.0 ppb (10) 0.17 ppb (2) 24.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
July 20, 2019, 11 a.m. 8.3 ppb (8) 0.2 ppb (0) 6.0 ppb (6) 8.0 ppb (7) 5.9 ppb (5) 0.0 ppb (0) 14.0 ppb (11) 0.18 ppb (2) 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 10 a.m. 9.7 ppb (9) 0.3 ppb (0) 8.6 ppb (8) 9.0 ppb (8) 8.5 ppb (8) 0.0 ppb (0) 12.0 ppb (9) 0.17 ppb (2) 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 9 a.m. 10.0 ppb (9) 0.2 ppb (0) 7.5 ppb (7) 10.0 ppb (9) 7.4 ppb (7) 0.0 ppb (0) 13.0 ppb (10) 0.19 ppb (2) 24.0 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 8 a.m. 10.7 ppb (10) 0.2 ppb (0) 9.2 ppb (9) 11.0 ppb (10) 9.2 ppb (9) 0.0 ppb (0) 13.0 ppb (10) 0.19 ppb (2) 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 7 a.m. 9.3 ppb (9) 0.1 ppb (0) 8.1 ppb (8) 9.0 ppb (8) 8.0 ppb (7) 0.0 ppb (0) 16.0 ppb (12) 0.18 ppb (2) 36.0 μg/m3 (33) 4.0 μg/m3 (17) 33.0
 
July 20, 2019, 6 a.m. 7.9 ppb (7) 0.1 ppb (0) 6.6 ppb (6) 8.0 ppb (7) 6.5 ppb (6) 0.0 ppb (0) 19.0 ppb (15) 0.15 ppb (2) 27.0 μg/m3 (25) 3.0 μg/m3 (12) 25.0
 
July 20, 2019, 5 a.m. 7.6 ppb (7) 0.0 ppb (0) 6.3 ppb (6) 8.0 ppb (7) 6.3 ppb (6) 0.0 ppb (0) 22.0 ppb (17) 0.16 ppb (2) 27.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
July 20, 2019, 4 a.m. 7.1 ppb (7) -0.1 ppb (0) 5.9 ppb (5) 7.0 ppb (6) 5.9 ppb (5) 0.0 ppb (0) 25.0 ppb (19) 0.15 ppb (2) 21.0 μg/m3 (19) 3.0 μg/m3 (12) 19.0
 
July 20, 2019, 3 a.m. 6.1 ppb (6) -0.2 ppb (0) 5.2 ppb (5) 6.0 ppb (6) 5.1 ppb (5) 0.0 ppb (0) 31.0 ppb (24) 0.15 ppb (2) 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
July 20, 2019, 2 a.m. 5.0 ppb (5) -0.1 ppb (0) 4.3 ppb (4) 5.0 ppb (5) 4.1 ppb (4) 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) 37.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
July 20, 2019, 1 a.m. 4.2 ppb (4) 0.1 ppb (0) 4.0 ppb (4) 4.0 ppb (4) 3.6 ppb (3) 0.0 ppb (0) 48.0 ppb (37) 0.14 ppb (2) 57.0 μg/m3 (51) 5.0 μg/m3 (21) 51.0
 
July 20, 2019, midnight 4.1 ppb (4) 0.1 ppb (0) 4.2 ppb (4) 4.0 ppb (4) 3.8 ppb (4) 0.0 ppb (0) 55.0 ppb (42) 0.15 ppb (2) 59.0 μg/m3 (52) 6.0 μg/m3 (25) 52.0
 
July 19, 2019, 11 p.m. 4.2 ppb (4) 0.1 ppb (0) 4.6 ppb (4) 4.0 ppb (4) 4.2 ppb (4) 0.0 ppb (0) 61.0 ppb (47) 0.14 ppb (2) 67.0 μg/m3 (56) 6.0 μg/m3 (25) 56.0
 
July 19, 2019, 10 p.m. 4.6 ppb (4) 0.1 ppb (0) 5.3 ppb (5) 4.0 ppb (4) 4.9 ppb (5) 0.0 ppb (0) 67.0 ppb (52) 0.15 ppb (2) 55.0 μg/m3 (50) 7.0 μg/m3 (29) 52.0
 
July 19, 2019, 9 p.m. 5.1 ppb (5) 0.3 ppb (0) 5.7 ppb (5) 5.0 ppb (5) 5.2 ppb (5) 0.0 ppb (0) 65.0 ppb (50) 0.15 ppb (2) 45.0 μg/m3 (41) 10.0 μg/m3 (42) 50.0
 
July 19, 2019, 8 p.m. 5.5 ppb (5) 0.4 ppb (0) 6.5 ppb (6) 5.0 ppb (5) 5.9 ppb (5) 0.0 ppb (0) 58.0 ppb (45) 0.15 ppb (2) 58.0 μg/m3 (52) 12.0 μg/m3 (50) 52.0
 
July 19, 2019, 7 p.m. 5.3 ppb (5) 0.5 ppb (0) 6.0 ppb (6) 5.0 ppb (5) 5.4 ppb (5) 0.0 ppb (0) 52.0 ppb (40) 0.16 ppb (2) 41.0 μg/m3 (37) 13.0 μg/m3 (52) 52.0
 
July 19, 2019, 6 p.m. 9.8 ppb (9) 2.1 ppb (2) 10.3 ppb (10) 8.0 ppb (7) 8.2 ppb (8) 0.0 ppb (0) 38.0 ppb (29) 0.19 ppb (2) 50.0 μg/m3 (45) 16.0 μg/m3 (59) 59.0
 
July 19, 2019, 5 p.m. 13.7 ppb (13) 3.9 ppb (4) 13.8 ppb (13) 10.0 ppb (9) 9.9 ppb (9) 0.0 ppb (0) 26.0 ppb (20) 0.21 ppb (2) 55.0 μg/m3 (50) 18.0 μg/m3 (63) 63.0
 
July 19, 2019, 4 p.m. 14.5 ppb (13) 5.5 ppb (5) 14.2 ppb (13) 9.0 ppb (8) 8.8 ppb (8) 0.0 ppb (0) 19.0 ppb (15) 0.21 ppb (2) 43.0 μg/m3 (39) 18.0 μg/m3 (63) 63.0
 
July 19, 2019, 3 p.m. 16.3 ppb (15) 5.4 ppb (5) 15.3 ppb (14) 11.0 ppb (10) 10.2 ppb (9) 0.0 ppb (0) 13.0 ppb (10) 0.2 ppb (2) 41.0 μg/m3 (37) 15.0 μg/m3 (56) 56.0
 
July 19, 2019, 2 p.m. 16.3 ppb (15) 3.8 ppb (4) 14.6 ppb (14) 13.0 ppb (12) 11.2 ppb (10) 0.0 ppb (0) 8.0 ppb (6) 0.2 ppb (2) 37.0 μg/m3 (34) 14.0 μg/m3 (54) 54.0
 
July 19, 2019, 1 p.m. 16.4 ppb (15) 3.0 ppb (3) 13.4 ppb (12) 13.0 ppb (12) 10.6 ppb (10) 0.0 ppb (0) 6.0 ppb (5) 0.19 ppb (2) 38.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
July 19, 2019, noon 10.8 ppb (10) 0.7 ppb (1) 8.6 ppb (8) 10.0 ppb (9) 8.3 ppb (8) 0.0 ppb (0) 7.0 ppb (5) 0.16 ppb (2) 28.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
July 19, 2019, 11 a.m. 9.4 ppb (9) 0.4 ppb (0) 7.1 ppb (7) 9.0 ppb (8) 6.9 ppb (6) 0.0 ppb (0) 10.0 ppb (8) 0.16 ppb (2) 26.0 μg/m3 (24) 8.0 μg/m3 (33) 33.0
 
July 19, 2019, 10 a.m. 9.8 ppb (9) 0.4 ppb (0) 8.7 ppb (8) 9.0 ppb (8) 8.5 ppb (8) 0.0 ppb (0) 10.0 ppb (8) 0.17 ppb (2) 31.0 μg/m3 (28) 7.0 μg/m3 (29) 29.0
 
July 19, 2019, 9 a.m. 10.3 ppb (10) 0.4 ppb (0) 7.9 ppb (7) 10.0 ppb (9) 7.8 ppb (7) 0.0 ppb (0) 11.0 ppb (8) 0.18 ppb (2) 29.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
July 19, 2019, 8 a.m. 10.8 ppb (10) 0.3 ppb (0) 9.3 ppb (9) 11.0 ppb (10) 9.2 ppb (9) 0.0 ppb (0) 13.0 ppb (10) 0.18 ppb (2) 33.0 μg/m3 (30) 7.0 μg/m3 (29) 30.0
 
July 19, 2019, 7 a.m. 9.6 ppb (9) 0.2 ppb (0) 8.6 ppb (8) 9.0 ppb (8) 8.5 ppb (8) 0.0 ppb (0) 16.0 ppb (12) 0.16 ppb (2) 34.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
July 19, 2019, 6 a.m. 8.6 ppb (8) 0.1 ppb (0) 7.6 ppb (7) 8.0 ppb (7) 7.5 ppb (7) 0.0 ppb (0) 18.0 ppb (14) 0.15 ppb (2) 37.0 μg/m3 (34) 15.0 μg/m3 (56) 56.0
 
July 19, 2019, 5 a.m. 8.4 ppb (8) 0.1 ppb (0) 7.4 ppb (7) 8.0 ppb (7) 7.4 ppb (7) 0.0 ppb (0) 21.0 ppb (16) 0.16 ppb (2) 39.0 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
July 19, 2019, 4 a.m. 7.7 ppb (7) 0.0 ppb (0) 6.7 ppb (6) 8.0 ppb (7) 6.6 ppb (6) 0.0 ppb (0) 25.0 ppb (19) 0.15 ppb (2) 43.0 μg/m3 (39) 8.0 μg/m3 (33) 39.0
 
July 19, 2019, 3 a.m. 7.1 ppb (7) -0.1 ppb (0) 6.2 ppb (6) 7.0 ppb (6) 6.2 ppb (6) 0.0 ppb (0) 31.0 ppb (24) 0.15 ppb (2) 44.0 μg/m3 (40) 10.0 μg/m3 (42) 42.0
 
July 19, 2019, 2 a.m. 5.3 ppb (5) 0.0 ppb (0) 4.7 ppb (4) 5.0 ppb (5) 4.5 ppb (4) 0.0 ppb (0) 38.0 ppb (29) 0.14 ppb (2) 45.0 μg/m3 (41) 9.0 μg/m3 (38) 41.0
 
July 19, 2019, 1 a.m. 4.0 ppb (4) 0.1 ppb (0) 4.0 ppb (4) 4.0 ppb (4) 3.7 ppb (3) 0.0 ppb (0) 44.0 ppb (34) 0.12 ppb (1) 61.0 μg/m3 (53) 9.0 μg/m3 (38) 53.0
 
July 19, 2019, midnight 3.7 ppb (3) 0.1 ppb (0) 4.1 ppb (4) 4.0 ppb (4) 3.7 ppb (3) 0.0 ppb (0) 53.0 ppb (41) 0.12 ppb (1) 73.0 μg/m3 (59) 9.0 μg/m3 (38) 59.0
 
July 18, 2019, 11 p.m. 3.6 ppb (3) 0.1 ppb (0) 4.3 ppb (4) 4.0 ppb (4) 4.0 ppb (4) 0.0 ppb (0) 60.0 ppb (46) 0.13 ppb (1) 64.0 μg/m3 (54) 10.0 μg/m3 (42) 54.0
 
July 18, 2019, 10 p.m. 4.8 ppb (4) 0.2 ppb (0) 5.8 ppb (5) 5.0 ppb (5) 5.4 ppb (5) 0.0 ppb (0) 73.0 ppb (57) 0.16 ppb (2) 60.0 μg/m3 (52) 13.0 μg/m3 (52) 57.0
 
July 18, 2019, 9 p.m. 6.3 ppb (6) 0.3 ppb (0) 7.6 ppb (7) 6.0 ppb (6) 7.1 ppb (7) 0.0 ppb (0) 75.0 ppb (58) 0.18 ppb (2) 71.0 μg/m3 (58) 14.0 μg/m3 (54) 58.0
 
July 18, 2019, 8 p.m. 8.4 ppb (8) 0.9 ppb (1) 9.3 ppb (9) 8.0 ppb (7) 8.3 ppb (8) 0.0 ppb (0) 66.0 ppb (51) 0.17 ppb (2) 59.0 μg/m3 (52) 14.0 μg/m3 (54) 54.0
 
July 18, 2019, 7 p.m. 7.9 ppb (7) 0.7 ppb (1) 9.3 ppb (9) 7.0 ppb (6) 8.4 ppb (8) 0.0 ppb (0) 63.0 ppb (48) 0.19 ppb (2) 68.0 μg/m3 (56) 22.0 μg/m3 (71) 71.0
 
July 18, 2019, 6 p.m. 10.3 ppb (10) 1.8 ppb (2) 10.4 ppb (10) 9.0 ppb (8) 9.0 ppb (8) 0.0 ppb (0) 51.0 ppb (39) 0.19 ppb (2) 61.0 μg/m3 (53) 15.0 μg/m3 (56) 56.0
 
July 18, 2019, 5 p.m. 13.4 ppb (12) 3.2 ppb (3) 13.4 ppb (12) 10.0 ppb (9) 10.2 ppb (9) 0.0 ppb (0) 35.0 ppb (27) 0.21 ppb (2) 51.0 μg/m3 (46) 15.0 μg/m3 (56) 56.0
 
July 18, 2019, 4 p.m. 15.1 ppb (14) 4.5 ppb (4) 14.4 ppb (13) 11.0 ppb (10) 10.1 ppb (9) 0.0 ppb (0) 26.0 ppb (20) 0.21 ppb (2) 47.0 μg/m3 (43) 12.0 μg/m3 (50) 50.0
 
July 18, 2019, 3 p.m. 16.3 ppb (15) 5.8 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 17.0 ppb (13) 0.21 ppb (2) 46.0 μg/m3 (42) 18.0 μg/m3 (63) 63.0
 
July 18, 2019, 2 p.m. 14.9 ppb (14) 5.1 ppb (5) 13.7 ppb (13) 10.0 ppb (9) 8.8 ppb (8) 0.0 ppb (0) 12.0 ppb (9) N/A 37.0 μg/m3 (34) 12.0 μg/m3 (50) 50.0
 
July 18, 2019, 1 p.m. 21.7 ppb (20) 7.6 ppb (7) 14.2 ppb (13) 14.0 ppb (13) 9.7 ppb (9) 0.0 ppb (0) 3.0 ppb (2) 0.32 ppb (4) 53.0 μg/m3 (48) 10.0 μg/m3 (42) 48.0
 
July 18, 2019, noon 37.6 ppb (35) 18.8 ppb (17) 29.5 ppb (27) 19.0 ppb (18) 15.2 ppb (14) 0.0 ppb (0) 0.0 ppb (0) 0.31 ppb (3) 44.0 μg/m3 (40) 9.0 μg/m3 (38) 40.0
 
July 18, 2019, 11 a.m. 7.0 ppb (6) 0.2 ppb (0) 5.1 ppb (5) 7.0 ppb (6) 5.0 ppb (5) 0.0 ppb (0) 13.0 ppb (10) 0.14 ppb (2) 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 10 a.m. 7.7 ppb (7) 0.4 ppb (0) 6.8 ppb (6) 7.0 ppb (6) 6.6 ppb (6) 0.0 ppb (0) 11.0 ppb (8) 0.14 ppb (2) 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
July 18, 2019, 9 a.m. 8.2 ppb (8) 0.3 ppb (0) 5.9 ppb (5) 8.0 ppb (7) 5.8 ppb (5) 0.0 ppb (0) 11.0 ppb (8) 0.15 ppb (2) 34.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
July 18, 2019, 8 a.m. 8.3 ppb (8) 0.3 ppb (0) 7.1 ppb (7) 8.0 ppb (7) 7.0 ppb (6) 0.0 ppb (0) 11.0 ppb (8) 0.15 ppb (2) 38.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
July 18, 2019, 7 a.m. 7.8 ppb (7) 0.2 ppb (0) 6.7 ppb (6) 8.0 ppb (7) 6.5 ppb (6) 0.0 ppb (0) 15.0 ppb (12) 0.15 ppb (2) 34.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
July 18, 2019, 6 a.m. 7.5 ppb (7) 0.1 ppb (0) 6.5 ppb (6) 7.0 ppb (6) 6.4 ppb (6) 0.0 ppb (0) 17.0 ppb (13) 0.14 ppb (2) 37.0 μg/m3 (34) 10.0 μg/m3 (42) 42.0
 
July 18, 2019, 5 a.m. 5.9 ppb (5) 0.0 ppb (0) 5.1 ppb (5) 6.0 ppb (6) 5.0 ppb (5) 0.0 ppb (0) 22.0 ppb (17) 0.14 ppb (2) 38.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
July 18, 2019, 4 a.m. 5.2 ppb (5) -0.1 ppb (0) 4.4 ppb (4) 5.0 ppb (5) 4.3 ppb (4) 0.0 ppb (0) 26.0 ppb (20) 0.13 ppb (1) 37.0 μg/m3 (34) 12.0 μg/m3 (50) 50.0
 
July 18, 2019, 3 a.m. 5.2 ppb (5) -0.1 ppb (0) 4.4 ppb (4) 5.0 ppb (5) 4.4 ppb (4) 0.0 ppb (0) 30.0 ppb (23) 0.14 ppb (2) 33.0 μg/m3 (30) 13.0 μg/m3 (52) 52.0
 
July 18, 2019, 2 a.m. 5.1 ppb (5) 0.0 ppb (0) 4.9 ppb (5) 5.0 ppb (5) 4.7 ppb (4) 0.0 ppb (0) 39.0 ppb (30) 0.15 ppb (2) 95.0 μg/m3 (70) 11.0 μg/m3 (46) 70.0
 
July 18, 2019, 1 a.m. 4.9 ppb (5) 0.1 ppb (0) 5.0 ppb (5) 5.0 ppb (5) 4.6 ppb (4) 0.0 ppb (0) 47.0 ppb (36) 0.14 ppb (2) 53.0 μg/m3 (48) 9.0 μg/m3 (38) 48.0
 
July 18, 2019, midnight 4.8 ppb (4) 0.2 ppb (0) 5.5 ppb (5) 5.0 ppb (5) 5.1 ppb (5) 0.0 ppb (0) 54.0 ppb (42) 0.14 ppb (2) 64.0 μg/m3 (54) 10.0 μg/m3 (42) 54.0
 
July 17, 2019, 11 p.m. 5.0 ppb (5) 0.2 ppb (0) 6.3 ppb (6) 5.0 ppb (5) 5.9 ppb (5) 0.0 ppb (0) 62.0 ppb (48) 0.15 ppb (2) 82.0 μg/m3 (64) 12.0 μg/m3 (50) 64.0
 
July 17, 2019, 10 p.m. 5.6 ppb (5) 0.2 ppb (0) 7.5 ppb (7) 5.0 ppb (5) 7.1 ppb (7) 0.0 ppb (0) 69.0 ppb (53) 0.17 ppb (2) 109.0 μg/m3 (77) 17.0 μg/m3 (61) 77.0
 
July 17, 2019, 9 p.m. 7.1 ppb (7) 0.3 ppb (0) 9.0 ppb (8) 7.0 ppb (6) 8.5 ppb (8) 0.0 ppb (0) 81.0 ppb (63) 0.21 ppb (2) 86.0 μg/m3 (66) 16.0 μg/m3 (59) 66.0
 
July 17, 2019, 8 p.m. 6.8 ppb (6) 0.4 ppb (0) 8.3 ppb (8) 6.0 ppb (6) 7.7 ppb (7) 0.0 ppb (0) 75.0 ppb (58) 0.18 ppb (2) 65.0 μg/m3 (55) 14.0 μg/m3 (54) 58.0
 
July 17, 2019, 7 p.m. 6.6 ppb (6) 0.5 ppb (0) 7.5 ppb (7) 6.0 ppb (6) 7.0 ppb (6) 1.0 ppb (1) 70.0 ppb (54) 0.18 ppb (2) 59.0 μg/m3 (52) 17.0 μg/m3 (61) 61.0
 
July 17, 2019, 6 p.m. 10.6 ppb (10) 1.4 ppb (1) 10.9 ppb (10) 9.0 ppb (8) 9.6 ppb (9) 0.0 ppb (0) 58.0 ppb (45) 0.21 ppb (2) 58.0 μg/m3 (52) 15.0 μg/m3 (56) 56.0
 
July 17, 2019, 5 p.m. 13.4 ppb (12) 2.7 ppb (3) 13.7 ppb (13) 11.0 ppb (10) 11.0 ppb (10) 0.0 ppb (0) 42.0 ppb (32) 0.21 ppb (2) 55.0 μg/m3 (50) 22.0 μg/m3 (71) 71.0
 
July 17, 2019, 4 p.m. 15.2 ppb (14) 4.4 ppb (4) 15.2 ppb (14) 11.0 ppb (10) 11.0 ppb (10) 0.0 ppb (0) 26.0 ppb (20) 0.22 ppb (2) 55.0 μg/m3 (50) 22.0 μg/m3 (71) 71.0
 
July 17, 2019, 3 p.m. 16.0 ppb (15) 5.6 ppb (5) 15.5 ppb (14) 10.0 ppb (9) 9.7 ppb (9) 0.0 ppb (0) 17.0 ppb (13) 0.21 ppb (2) 46.0 μg/m3 (42) 20.0 μg/m3 (67) 67.0
 
July 17, 2019, 2 p.m. 15.7 ppb (15) 5.2 ppb (5) 14.0 ppb (13) 11.0 ppb (10) 9.3 ppb (9) 0.0 ppb (0) 13.0 ppb (10) 0.21 ppb (2) 44.0 μg/m3 (40) 19.0 μg/m3 (65) 65.0
 
July 17, 2019, 1 p.m. 17.8 ppb (16) 5.8 ppb (5) 14.6 ppb (14) 12.0 ppb (11) 8.9 ppb (8) 0.0 ppb (0) 6.0 ppb (5) 0.24 ppb (3) 39.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
July 17, 2019, noon 18.9 ppb (18) 4.9 ppb (5) 17.5 ppb (16) 14.0 ppb (13) 12.9 ppb (12) 0.0 ppb (0) 2.0 ppb (2) 0.24 ppb (3) 43.0 μg/m3 (39) 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 11 a.m. 19.0 ppb (18) 3.5 ppb (3) 15.4 ppb (14) 16.0 ppb (15) 12.4 ppb (11) 0.0 ppb (0) 3.0 ppb (2) 0.22 ppb (2) 34.0 μg/m3 (31) 13.0 μg/m3 (52) 52.0
 
July 17, 2019, 10 a.m. 9.0 ppb (8) 0.9 ppb (1) 5.8 ppb (5) 8.0 ppb (7) 5.7 ppb (5) 0.0 ppb (0) 9.0 ppb (7) 0.15 ppb (2) 24.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 9 a.m. 7.1 ppb (7) 0.3 ppb (0) 5.1 ppb (5) 7.0 ppb (6) 5.0 ppb (5) 0.0 ppb (0) 14.0 ppb (11) 0.15 ppb (2) 30.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
July 17, 2019, 8 a.m. 7.5 ppb (7) 0.2 ppb (0) 6.7 ppb (6) 7.0 ppb (6) 6.6 ppb (6) 0.0 ppb (0) 16.0 ppb (12) 0.15 ppb (2) 29.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 7 a.m. 8.1 ppb (8) 0.2 ppb (0) 7.0 ppb (6) 8.0 ppb (7) 6.9 ppb (6) 0.0 ppb (0) 18.0 ppb (14) 0.17 ppb (2) 38.0 μg/m3 (35) 13.0 μg/m3 (52) 52.0
 
July 17, 2019, 6 a.m. 8.4 ppb (8) 0.2 ppb (0) 7.4 ppb (7) 8.0 ppb (7) 7.3 ppb (7) 0.0 ppb (0) 21.0 ppb (16) 0.17 ppb (2) 46.0 μg/m3 (42) 12.0 μg/m3 (50) 50.0
 
July 17, 2019, 5 a.m. 7.4 ppb (7) 0.1 ppb (0) 6.7 ppb (6) 7.0 ppb (6) 6.6 ppb (6) 0.0 ppb (0) 27.0 ppb (21) 0.17 ppb (2) 49.0 μg/m3 (45) 12.0 μg/m3 (50) 50.0
 
July 17, 2019, 4 a.m. 7.1 ppb (7) 0.1 ppb (0) 6.3 ppb (6) 7.0 ppb (6) 6.2 ppb (6) 0.0 ppb (0) 29.0 ppb (22) 0.17 ppb (2) 58.0 μg/m3 (52) 11.0 μg/m3 (46) 52.0
 
July 17, 2019, 3 a.m. 6.3 ppb (6) -0.1 ppb (0) 5.7 ppb (5) 6.0 ppb (6) 5.6 ppb (5) 0.0 ppb (0) 35.0 ppb (27) 0.16 ppb (2) 55.0 μg/m3 (50) 12.0 μg/m3 (50) 50.0
 
July 17, 2019, 2 a.m. 5.9 ppb (5) 0.0 ppb (0) 5.7 ppb (5) 6.0 ppb (6) 5.5 ppb (5) 0.0 ppb (0) 41.0 ppb (32) 0.15 ppb (2) 60.0 μg/m3 (52) 9.0 μg/m3 (38) 52.0
 
July 17, 2019, 1 a.m. 4.9 ppb (5) 0.1 ppb (0) 5.1 ppb (5) 5.0 ppb (5) 4.8 ppb (4) 0.0 ppb (0) 50.0 ppb (38) 0.13 ppb (1) 61.0 μg/m3 (53) 9.0 μg/m3 (38) 53.0
 
July 17, 2019, midnight 4.2 ppb (4) 0.1 ppb (0) 5.0 ppb (5) 4.0 ppb (4) 4.7 ppb (4) 0.0 ppb (0) 60.0 ppb (46) 0.14 ppb (2) 66.0 μg/m3 (56) 10.0 μg/m3 (42) 56.0
 
July 16, 2019, 11 p.m. 4.1 ppb (4) 0.1 ppb (0) 5.2 ppb (5) 4.0 ppb (4) 4.9 ppb (5) 0.0 ppb (0) 66.0 ppb (51) 0.14 ppb (2) 68.0 μg/m3 (56) 7.0 μg/m3 (29) 56.0
 
July 16, 2019, 10 p.m. 5.1 ppb (5) 0.1 ppb (0) 6.4 ppb (6) 5.0 ppb (5) 6.1 ppb (6) 0.0 ppb (0) 75.0 ppb (58) 0.16 ppb (2) 67.0 μg/m3 (56) 15.0 μg/m3 (56) 58.0
 
July 16, 2019, 9 p.m. 5.7 ppb (5) 0.2 ppb (0) 7.1 ppb (7) 6.0 ppb (6) 6.7 ppb (6) 1.0 ppb (1) 86.0 ppb (68) 0.19 ppb (2) 65.0 μg/m3 (55) 11.0 μg/m3 (46) 68.0
 
July 16, 2019, 8 p.m. 8.9 ppb (8) 0.4 ppb (0) 10.2 ppb (9) 9.0 ppb (8) 9.7 ppb (9) 1.0 ppb (1) 100.0 ppb (79) 0.24 ppb (3) 65.0 μg/m3 (55) 11.0 μg/m3 (46) 79.0
 
July 16, 2019, 7 p.m. 6.0 ppb (6) 0.2 ppb (0) 6.9 ppb (6) 6.0 ppb (6) 6.6 ppb (6) 1.0 ppb (1) 88.0 ppb (69) 0.19 ppb (2) 63.0 μg/m3 (54) 9.0 μg/m3 (38) 69.0
 
July 16, 2019, 6 p.m. 5.3 ppb (5) 0.2 ppb (0) 5.9 ppb (5) 5.0 ppb (5) 5.5 ppb (5) 1.0 ppb (1) 78.0 ppb (61) 0.18 ppb (2) 42.0 μg/m3 (38) 8.0 μg/m3 (33) 61.0
 
July 16, 2019, 5 p.m. 9.1 ppb (8) 0.9 ppb (1) 9.4 ppb (9) 8.0 ppb (7) 8.4 ppb (8) 1.0 ppb (1) 69.0 ppb (53) 0.21 ppb (2) 44.0 μg/m3 (40) 7.0 μg/m3 (29) 53.0
 
July 16, 2019, 4 p.m. 13.8 ppb (13) 1.8 ppb (2) 13.6 ppb (13) 12.0 ppb (11) 11.8 ppb (11) 1.0 ppb (1) 57.0 ppb (44) 0.25 ppb (3) 49.0 μg/m3 (45) 17.0 μg/m3 (61) 61.0
 
July 16, 2019, 3 p.m. 33.2 ppb (31) 8.8 ppb (8) 32.0 ppb (30) 24.0 ppb (22) 23.4 ppb (22) 1.0 ppb (1) 31.0 ppb (24) 0.4 ppb (4) 80.0 μg/m3 (62) 21.0 μg/m3 (69) 69.0
 
July 16, 2019, 2 p.m. 52.5 ppb (49) 18.3 ppb (17) 48.3 ppb (45) 34.0 ppb (31) 31.1 ppb (29) 1.0 ppb (1) 12.0 ppb (9) 0.47 ppb (5) 60.0 μg/m3 (52) 24.0 μg/m3 (76) 76.0
 
July 16, 2019, 1 p.m. 67.8 ppb (65) 33.8 ppb (31) 66.6 ppb (63) 34.0 ppb (31) 29.5 ppb (27) 1.0 ppb (1) 2.0 ppb (2) 0.64 ppb (7) 99.0 μg/m3 (72) 23.0 μg/m3 (73) 73.0
 
July 16, 2019, noon 35.7 ppb (33) 9.8 ppb (9) 38.8 ppb (36) 26.0 ppb (24) 26.4 ppb (24) 0.0 ppb (0) 3.0 ppb (2) 0.45 ppb (5) 52.0 μg/m3 (47) 18.0 μg/m3 (63) 63.0
 
July 16, 2019, 11 a.m. 46.2 ppb (43) 11.3 ppb (10) 44.8 ppb (41) 35.0 ppb (32) 29.7 ppb (28) 0.0 ppb (0) 1.0 ppb (1) 0.43 ppb (5) 65.0 μg/m3 (55) 18.0 μg/m3 (63) 63.0
 
July 16, 2019, 10 a.m. 36.6 ppb (34) 2.2 ppb (2) 29.3 ppb (27) 34.0 ppb (31) 28.2 ppb (26) 0.0 ppb (0) 4.0 ppb (3) 0.36 ppb (4) 52.0 μg/m3 (47) 22.0 μg/m3 (71) 71.0
 
July 16, 2019, 9 a.m. 15.3 ppb (14) 0.6 ppb (1) 12.1 ppb (11) 15.0 ppb (14) 12.0 ppb (11) 0.0 ppb (0) 23.0 ppb (18) 0.29 ppb (3) 51.0 μg/m3 (46) 18.0 μg/m3 (63) 63.0
 
July 16, 2019, 8 a.m. 21.7 ppb (20) 0.6 ppb (1) 21.0 ppb (19) 21.0 ppb (19) 20.8 ppb (19) 1.0 ppb (1) 21.0 ppb (16) 0.33 ppb (4) 55.0 μg/m3 (50) 17.0 μg/m3 (61) 61.0
 
July 16, 2019, 7 a.m. 14.4 ppb (13) 0.3 ppb (0) 13.7 ppb (13) 14.0 ppb (13) 13.6 ppb (13) 1.0 ppb (1) 34.0 ppb (26) 0.36 ppb (4) 54.0 μg/m3 (49) 17.0 μg/m3 (61) 61.0
 
July 16, 2019, 6 a.m. 10.1 ppb (9) 0.2 ppb (0) 10.6 ppb (10) 10.0 ppb (9) 10.5 ppb (10) 1.0 ppb (1) 42.0 ppb (32) 0.24 ppb (3) 60.0 μg/m3 (52) 13.0 μg/m3 (52) 52.0
 
July 16, 2019, 5 a.m. 13.5 ppb (12) 0.1 ppb (0) 12.9 ppb (12) 13.0 ppb (12) 12.9 ppb (12) 1.0 ppb (1) 45.0 ppb (35) 0.25 ppb (3) 74.0 μg/m3 (60) 17.0 μg/m3 (61) 61.0
 
July 16, 2019, 4 a.m. 12.5 ppb (12) 0.0 ppb (0) 11.9 ppb (11) 12.0 ppb (11) 11.8 ppb (11) 1.0 ppb (1) 62.0 ppb (48) 0.23 ppb (3) 43.0 μg/m3 (39) 16.0 μg/m3 (59) 59.0
 
July 16, 2019, 3 a.m. 10.0 ppb (9) -0.1 ppb (0) 9.7 ppb (9) 10.0 ppb (9) 9.6 ppb (9) 1.0 ppb (1) 67.0 ppb (52) 0.21 ppb (2) 48.0 μg/m3 (44) 13.0 μg/m3 (52) 52.0
 
July 16, 2019, 2 a.m. 6.6 ppb (6) -0.1 ppb (0) 6.7 ppb (6) 7.0 ppb (6) 6.6 ppb (6) 1.0 ppb (1) 74.0 ppb (57) 0.2 ppb (2) 45.0 μg/m3 (41) 13.0 μg/m3 (52) 57.0
 
July 16, 2019, 1 a.m. 5.4 ppb (5) -0.1 ppb (0) 6.1 ppb (6) 5.0 ppb (5) 5.8 ppb (5) 1.0 ppb (1) 83.0 ppb (65) 0.17 ppb (2) 46.0 μg/m3 (42) 13.0 μg/m3 (52) 65.0
 
July 16, 2019, midnight 3.9 ppb (4) -0.1 ppb (0) 4.8 ppb (4) 4.0 ppb (4) 4.6 ppb (4) 1.0 ppb (1) 81.0 ppb (63) 0.14 ppb (2) 46.0 μg/m3 (42) 11.0 μg/m3 (46) 63.0
 
July 15, 2019, 11 p.m. 3.6 ppb (3) -0.1 ppb (0) 4.9 ppb (5) 4.0 ppb (4) 4.7 ppb (4) 1.0 ppb (1) 84.0 ppb (66) 0.15 ppb (2) 48.0 μg/m3 (44) 11.0 μg/m3 (46) 66.0
 
July 15, 2019, 10 p.m. 5.2 ppb (5) 0.0 ppb (0) 6.9 ppb (6) 5.0 ppb (5) 6.6 ppb (6) 1.0 ppb (1) 98.0 ppb (78) 0.2 ppb (2) 61.0 μg/m3 (53) 13.0 μg/m3 (52) 78.0
 
July 15, 2019, 9 p.m. 5.9 ppb (5) 0.1 ppb (0) 7.7 ppb (7) 6.0 ppb (6) 7.5 ppb (7) 1.0 ppb (1) 99.0 ppb (78) 0.22 ppb (2) 63.0 μg/m3 (54) 12.0 μg/m3 (50) 78.0
 
July 15, 2019, 8 p.m. 4.5 ppb (4) 0.0 ppb (0) 5.9 ppb (5) 4.0 ppb (4) 5.6 ppb (5) 1.0 ppb (1) 85.0 ppb (67) 0.17 ppb (2) 42.0 μg/m3 (38) 10.0 μg/m3 (42) 67.0
 
July 15, 2019, 7 p.m. 5.0 ppb (5) 0.2 ppb (0) 6.6 ppb (6) 5.0 ppb (5) 6.2 ppb (6) 1.0 ppb (1) 82.0 ppb (64) 0.18 ppb (2) 63.0 μg/m3 (54) 17.0 μg/m3 (61) 64.0
 
July 15, 2019, 6 p.m. 7.8 ppb (7) 0.5 ppb (0) 8.9 ppb (8) 7.0 ppb (6) 8.4 ppb (8) 1.0 ppb (1) 79.0 ppb (62) 0.22 ppb (2) 57.0 μg/m3 (51) 21.0 μg/m3 (69) 69.0
 
July 15, 2019, 5 p.m. 9.6 ppb (9) 0.9 ppb (1) 10.6 ppb (10) 9.0 ppb (8) 9.7 ppb (9) 1.0 ppb (1) 67.0 ppb (52) 0.26 ppb (3) 50.0 μg/m3 (45) 19.0 μg/m3 (65) 65.0
 
July 15, 2019, 4 p.m. 14.6 ppb (14) 2.4 ppb (2) 15.3 ppb (14) 12.0 ppb (11) 12.9 ppb (12) 0.0 ppb (0) 46.0 ppb (35) 0.3 ppb (3) 60.0 μg/m3 (52) 21.0 μg/m3 (69) 69.0
 
July 15, 2019, 3 p.m. 24.9 ppb (23) 7.3 ppb (7) 24.9 ppb (23) 18.0 ppb (17) 17.8 ppb (16) 0.0 ppb (0) 24.0 ppb (18) 0.34 ppb (4) 65.0 μg/m3 (55) 21.0 μg/m3 (69) 69.0
 
July 15, 2019, 2 p.m. 32.0 ppb (30) 12.7 ppb (12) 31.2 ppb (29) 19.0 ppb (18) 18.9 ppb (18) 1.0 ppb (1) 12.0 ppb (9) 0.38 ppb (4) 74.0 μg/m3 (60) 26.0 μg/m3 (80) 80.0
 
July 15, 2019, 1 p.m. 56.7 ppb (53) 31.3 ppb (29) 48.0 ppb (44) 25.0 ppb (23) 20.0 ppb (19) 1.0 ppb (1) 1.0 ppb (1) 0.51 ppb (6) 108.0 μg/m3 (76) 20.0 μg/m3 (67) 76.0
 
July 15, 2019, noon 32.8 ppb (30) 9.4 ppb (9) 26.9 ppb (25) 23.0 ppb (21) 21.2 ppb (20) 0.0 ppb (0) 2.0 ppb (2) 0.41 ppb (5) 74.0 μg/m3 (60) 21.0 μg/m3 (69) 69.0