AQSQID: 060190011

Site Name: Fresno - Garland

Location: Fresno, CA

Reporting: True, Located: True

Current AQI: 46.0

Fresno CA, US: 36.785378, -119.773206

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 20, 2019, 10 p.m. 0.5 ppb (0) 0.0 ppb (0) 1.4 ppb (1) 1.0 ppb (1) 1.3 ppb (1) 1.0 ppb (1) 52.0 ppb (40) 0.13 ppb (1) 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
July 20, 2019, 9 p.m. 1.0 ppb (1) 0.1 ppb (0) 2.1 ppb (2) 1.0 ppb (1) 2.0 ppb (2) 1.0 ppb (1) 51.0 ppb (39) 0.13 ppb (1) 31.0 μg/m3 (28) 11.4 μg/m3 (48) 48.0
 
July 20, 2019, 8 p.m. 1.6 ppb (1) 0.0 ppb (0) 2.8 ppb (3) 2.0 ppb (2) 2.7 ppb (3) 2.0 ppb (3) 52.0 ppb (40) 0.14 ppb (2) 38.0 μg/m3 (35) 16.0 μg/m3 (59) 59.0
 
July 20, 2019, 7 p.m. 2.8 ppb (3) 0.2 ppb (0) 4.2 ppb (4) 3.0 ppb (3) 4.0 ppb (4) 2.0 ppb (3) 52.0 ppb (40) 0.15 ppb (2) 43.0 μg/m3 (39) 12.7 μg/m3 (51) 51.0
 
July 20, 2019, 6 p.m. 4.6 ppb (4) 0.6 ppb (1) 5.8 ppb (5) 4.0 ppb (4) 5.2 ppb (5) 1.0 ppb (1) 47.0 ppb (36) 0.16 ppb (2) 41.0 μg/m3 (37) 12.6 μg/m3 (51) 51.0
 
July 20, 2019, 5 p.m. 5.4 ppb (5) 0.9 ppb (1) 6.3 ppb (6) 4.0 ppb (4) 5.3 ppb (5) 1.0 ppb (1) 39.0 ppb (30) 0.17 ppb (2) 34.0 μg/m3 (31) 11.5 μg/m3 (48) 48.0
 
July 20, 2019, 4 p.m. 5.3 ppb (5) 1.3 ppb (1) 5.7 ppb (5) 4.0 ppb (4) 4.2 ppb (4) 1.0 ppb (1) 30.0 ppb (23) 0.16 ppb (2) 31.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
July 20, 2019, 3 p.m. 5.1 ppb (5) 1.5 ppb (1) 4.8 ppb (4) 4.0 ppb (4) 3.5 ppb (3) 1.0 ppb (1) 23.0 ppb (18) 0.15 ppb (2) 28.0 μg/m3 (25) 6.5 μg/m3 (27) 27.0
 
July 20, 2019, 2 p.m. 5.2 ppb (5) 1.2 ppb (1) 4.7 ppb (4) 4.0 ppb (4) 3.6 ppb (3) 1.0 ppb (1) 19.0 ppb (15) 0.13 ppb (1) 20.0 μg/m3 (18) 4.8 μg/m3 (20) 20.0
 
July 20, 2019, 1 p.m. 4.7 ppb (4) 0.5 ppb (0) 3.8 ppb (4) 4.0 ppb (4) 3.5 ppb (3) 0.0 ppb (0) 18.0 ppb (14) 0.13 ppb (1) 24.0 μg/m3 (22) 9.2 μg/m3 (38) 38.0
 
July 20, 2019, noon N/A N/A 2.4 ppb (2) N/A 2.5 ppb (2) 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 8.3 μg/m3 (35) 35.0
 
July 20, 2019, 11 a.m. 2.6 ppb (2) -0.1 ppb (0) 2.4 ppb (2) 3.0 ppb (3) 2.4 ppb (2) 0.0 ppb (0) 21.0 ppb (16) 0.12 ppb (1) 17.0 μg/m3 (15) 5.3 μg/m3 (22) 22.0
 
July 20, 2019, 10 a.m. 2.6 ppb (2) -0.1 ppb (0) 2.4 ppb (2) 3.0 ppb (3) 2.5 ppb (2) 0.0 ppb (0) 22.0 ppb (17) 0.13 ppb (1) 23.0 μg/m3 (21) 5.7 μg/m3 (24) 24.0
 
July 20, 2019, 9 a.m. 2.8 ppb (3) -0.1 ppb (0) 2.7 ppb (3) 3.0 ppb (3) 2.7 ppb (3) 0.0 ppb (0) 24.0 ppb (18) 0.14 ppb (2) 25.0 μg/m3 (23) 7.7 μg/m3 (32) 32.0
 
July 20, 2019, 8 a.m. 3.2 ppb (3) -0.1 ppb (0) 3.0 ppb (3) 3.0 ppb (3) 3.1 ppb (3) 0.0 ppb (0) 22.0 ppb (17) 0.14 ppb (2) 25.0 μg/m3 (23) 5.2 μg/m3 (22) 23.0
 
July 20, 2019, 7 a.m. 3.1 ppb (3) 0.0 ppb (0) 2.9 ppb (3) 3.0 ppb (3) 3.0 ppb (3) 0.0 ppb (0) 22.0 ppb (17) 0.14 ppb (2) 30.0 μg/m3 (27) 5.0 μg/m3 (21) 27.0
 
July 20, 2019, 6 a.m. 3.9 ppb (4) -0.1 ppb (0) 3.8 ppb (4) 4.0 ppb (4) 3.8 ppb (4) 1.0 ppb (1) 23.0 ppb (18) 0.15 ppb (2) 33.0 μg/m3 (30) 7.5 μg/m3 (31) 31.0
 
July 20, 2019, 5 a.m. 3.7 ppb (3) -0.1 ppb (0) 3.8 ppb (4) 4.0 ppb (4) 3.8 ppb (4) 1.0 ppb (1) 28.0 ppb (22) 0.14 ppb (2) 35.0 μg/m3 (32) 6.0 μg/m3 (25) 32.0
 
July 20, 2019, 4 a.m. 4.0 ppb (4) -0.1 ppb (0) 3.9 ppb (4) 4.0 ppb (4) 4.0 ppb (4) 1.0 ppb (1) 33.0 ppb (25) 0.15 ppb (2) 33.0 μg/m3 (30) 7.2 μg/m3 (30) 30.0
 
July 20, 2019, 3 a.m. 2.6 ppb (2) -0.2 ppb (0) 2.8 ppb (3) 3.0 ppb (3) 2.9 ppb (3) 1.0 ppb (1) 47.0 ppb (36) 0.17 ppb (2) 37.0 μg/m3 (34) 8.2 μg/m3 (34) 36.0
 
July 20, 2019, 2 a.m. 1.2 ppb (1) -0.1 ppb (0) 1.7 ppb (2) 1.0 ppb (1) 1.7 ppb (2) 1.0 ppb (1) 51.0 ppb (39) 0.14 ppb (2) 33.0 μg/m3 (30) 8.5 μg/m3 (35) 39.0
 
July 20, 2019, 1 a.m. 0.9 ppb (1) 0.0 ppb (0) 1.3 ppb (1) 1.0 ppb (1) 1.3 ppb (1) 1.0 ppb (1) 52.0 ppb (40) 0.13 ppb (1) 24.0 μg/m3 (22) 8.5 μg/m3 (35) 40.0
 
July 20, 2019, midnight 0.5 ppb (0) -0.1 ppb (0) 1.2 ppb (1) 1.0 ppb (1) 1.1 ppb (1) 1.0 ppb (1) 52.0 ppb (40) 0.13 ppb (1) 31.0 μg/m3 (28) 6.8 μg/m3 (28) 40.0
 
July 19, 2019, 11 p.m. 0.6 ppb (1) 0.0 ppb (0) 1.4 ppb (1) 1.0 ppb (1) 1.4 ppb (1) 1.0 ppb (1) 52.0 ppb (40) 0.13 ppb (1) 37.0 μg/m3 (34) 7.0 μg/m3 (29) 40.0
 
July 19, 2019, 10 p.m. 0.6 ppb (1) -0.1 ppb (0) 1.5 ppb (1) 1.0 ppb (1) 1.4 ppb (1) 1.0 ppb (1) 53.0 ppb (41) 0.13 ppb (1) 28.0 μg/m3 (25) 7.0 μg/m3 (29) 41.0
 
July 19, 2019, 9 p.m. 1.1 ppb (1) 0.1 ppb (0) 1.8 ppb (2) 1.0 ppb (1) 1.6 ppb (1) 1.0 ppb (1) 50.0 ppb (38) 0.12 ppb (1) 25.0 μg/m3 (23) 9.1 μg/m3 (38) 38.0
 
July 19, 2019, 8 p.m. 1.3 ppb (1) 0.1 ppb (0) 1.8 ppb (2) 1.0 ppb (1) 1.6 ppb (1) 1.0 ppb (1) 47.0 ppb (36) 0.12 ppb (1) 31.0 μg/m3 (28) 6.9 μg/m3 (29) 36.0
 
July 19, 2019, 7 p.m. 1.4 ppb (1) 0.1 ppb (0) 1.7 ppb (2) 1.0 ppb (1) 1.5 ppb (1) 1.0 ppb (1) 41.0 ppb (32) 0.12 ppb (1) 26.0 μg/m3 (24) 3.9 μg/m3 (16) 32.0
 
July 19, 2019, 6 p.m. 2.4 ppb (2) 0.5 ppb (0) 2.6 ppb (2) 2.0 ppb (2) 2.2 ppb (2) 1.0 ppb (1) 35.0 ppb (27) 0.12 ppb (1) 24.0 μg/m3 (22) 4.8 μg/m3 (20) 27.0
 
July 19, 2019, 5 p.m. 6.3 ppb (6) 1.6 ppb (1) 6.1 ppb (6) 5.0 ppb (5) 4.6 ppb (4) 1.0 ppb (1) 30.0 ppb (23) 0.16 ppb (2) 28.0 μg/m3 (25) 6.6 μg/m3 (28) 28.0
 
July 19, 2019, 4 p.m. 10.9 ppb (10) 3.3 ppb (3) 10.2 ppb (9) 8.0 ppb (7) 7.2 ppb (7) 1.0 ppb (1) 24.0 ppb (18) 0.21 ppb (2) 33.0 μg/m3 (30) 6.5 μg/m3 (27) 30.0
 
July 19, 2019, 3 p.m. 16.8 ppb (16) 7.2 ppb (7) 15.1 ppb (14) 10.0 ppb (9) 8.9 ppb (8) 1.0 ppb (1) 14.0 ppb (11) 0.24 ppb (3) 36.0 μg/m3 (33) 5.4 μg/m3 (23) 33.0
 
July 19, 2019, 2 p.m. 12.4 ppb (11) 5.2 ppb (5) 11.0 ppb (10) 7.0 ppb (6) 6.4 ppb (6) 1.0 ppb (1) 9.0 ppb (7) 0.2 ppb (2) 27.0 μg/m3 (25) 4.5 μg/m3 (19) 25.0
 
July 19, 2019, 1 p.m. 7.9 ppb (7) 1.7 ppb (2) 6.6 ppb (6) 6.0 ppb (6) 5.3 ppb (5) 0.0 ppb (0) 7.0 ppb (5) 0.15 ppb (2) 17.0 μg/m3 (15) 2.8 μg/m3 (12) 15.0
 
July 19, 2019, noon N/A N/A 5.1 ppb (5) N/A 4.8 ppb (4) 0.0 ppb (0) N/A 0.15 ppb (2) 19.0 μg/m3 (17) 3.0 μg/m3 (12) 17.0
 
July 19, 2019, 11 a.m. 4.3 ppb (4) 0.1 ppb (0) 3.5 ppb (3) 4.0 ppb (4) 3.5 ppb (3) 0.0 ppb (0) 9.0 ppb (7) 0.14 ppb (2) 13.0 μg/m3 (12) 3.4 μg/m3 (14) 14.0
 
July 19, 2019, 10 a.m. 3.7 ppb (3) 0.0 ppb (0) 2.9 ppb (3) 4.0 ppb (4) 3.0 ppb (3) 0.0 ppb (0) 11.0 ppb (8) 0.12 ppb (1) 13.0 μg/m3 (12) 1.8 μg/m3 (8) 12.0
 
July 19, 2019, 9 a.m. 3.0 ppb (3) 0.0 ppb (0) 2.5 ppb (2) 3.0 ppb (3) 2.6 ppb (2) 0.0 ppb (0) 13.0 ppb (10) 0.11 ppb (1) 13.0 μg/m3 (12) 0.0 μg/m3 (0) 12.0
 
July 19, 2019, 8 a.m. 2.5 ppb (2) -0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) 2.1 ppb (2) 0.0 ppb (0) 16.0 ppb (12) 0.11 ppb (1) 16.0 μg/m3 (15) 0.9 μg/m3 (4) 15.0
 
July 19, 2019, 7 a.m. 2.7 ppb (3) -0.1 ppb (0) 2.3 ppb (2) 3.0 ppb (3) 2.3 ppb (2) 0.0 ppb (0) 20.0 ppb (15) 0.13 ppb (1) 26.0 μg/m3 (24) 2.7 μg/m3 (11) 24.0
 
July 19, 2019, 6 a.m. 2.6 ppb (2) -0.1 ppb (0) 2.4 ppb (2) 3.0 ppb (3) 2.4 ppb (2) 0.0 ppb (0) 21.0 ppb (16) 0.13 ppb (1) 32.0 μg/m3 (29) 5.0 μg/m3 (21) 29.0
 
July 19, 2019, 5 a.m. 1.8 ppb (2) -0.1 ppb (0) 1.7 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 23.0 ppb (18) 0.11 ppb (1) 36.0 μg/m3 (33) 2.2 μg/m3 (9) 33.0
 
July 19, 2019, 4 a.m. 1.7 ppb (2) -0.1 ppb (0) 1.6 ppb (1) 2.0 ppb (2) 1.5 ppb (1) 0.0 ppb (0) 26.0 ppb (20) 0.12 ppb (1) 35.0 μg/m3 (32) 2.6 μg/m3 (11) 32.0
 
July 19, 2019, 3 a.m. 2.0 ppb (2) -0.1 ppb (0) 2.2 ppb (2) 2.0 ppb (2) 2.3 ppb (2) 1.0 ppb (1) 36.0 ppb (28) 0.16 ppb (2) 38.0 μg/m3 (35) 8.9 μg/m3 (37) 37.0
 
July 19, 2019, 2 a.m. 1.0 ppb (1) -0.2 ppb (0) 1.7 ppb (2) 1.0 ppb (1) 1.7 ppb (2) 1.0 ppb (1) 53.0 ppb (41) 0.16 ppb (2) 32.0 μg/m3 (29) 8.5 μg/m3 (35) 41.0
 
July 19, 2019, 1 a.m. 0.4 ppb (0) -0.1 ppb (0) 1.1 ppb (1) 0.0 ppb (0) 1.1 ppb (1) 1.0 ppb (1) 55.0 ppb (42) 0.14 ppb (2) 24.0 μg/m3 (22) 4.4 μg/m3 (18) 42.0
 
July 19, 2019, midnight 0.4 ppb (0) 0.0 ppb (0) 1.1 ppb (1) 0.0 ppb (0) 1.1 ppb (1) 1.0 ppb (1) 54.0 ppb (42) 0.14 ppb (2) 19.0 μg/m3 (17) 6.4 μg/m3 (27) 42.0
 
July 18, 2019, 11 p.m. 0.6 ppb (1) 0.0 ppb (0) 1.6 ppb (1) 1.0 ppb (1) 1.6 ppb (1) 1.0 ppb (1) 55.0 ppb (42) 0.14 ppb (2) N/A N/A 42.0
 
July 18, 2019, 10 p.m. 1.0 ppb (1) 0.1 ppb (0) 2.6 ppb (2) 1.0 ppb (1) 2.3 ppb (2) 1.0 ppb (1) 59.0 ppb (45) 0.15 ppb (2) 25.0 μg/m3 (23) 11.5 μg/m3 (48) 48.0
 
July 18, 2019, 9 p.m. 1.1 ppb (1) 0.0 ppb (0) 2.5 ppb (2) 1.0 ppb (1) 2.4 ppb (2) 1.0 ppb (1) 62.0 ppb (48) 0.17 ppb (2) 32.0 μg/m3 (29) 8.2 μg/m3 (34) 48.0
 
July 18, 2019, 8 p.m. 1.1 ppb (1) 0.1 ppb (0) 2.3 ppb (2) 1.0 ppb (1) 2.2 ppb (2) 1.0 ppb (1) 59.0 ppb (45) 0.18 ppb (2) 23.0 μg/m3 (21) 6.2 μg/m3 (26) 45.0
 
July 18, 2019, 7 p.m. 3.4 ppb (3) 0.3 ppb (0) 4.9 ppb (5) 3.0 ppb (3) 4.7 ppb (4) 1.0 ppb (1) 60.0 ppb (46) 0.19 ppb (2) 46.0 μg/m3 (42) 8.1 μg/m3 (34) 46.0
 
July 18, 2019, 6 p.m. 9.6 ppb (9) 1.0 ppb (1) 12.0 ppb (11) 9.0 ppb (8) 11.0 ppb (10) 2.0 ppb (3) 63.0 ppb (48) 0.22 ppb (2) 63.0 μg/m3 (54) 17.5 μg/m3 (62) 62.0
 
July 18, 2019, 5 p.m. 9.4 ppb (9) 1.3 ppb (1) 11.2 ppb (10) 8.0 ppb (7) 10.0 ppb (9) 3.0 ppb (4) 52.0 ppb (40) 0.22 ppb (2) 63.0 μg/m3 (54) 18.3 μg/m3 (63) 63.0
 
July 18, 2019, 4 p.m. 13.0 ppb (12) 2.7 ppb (3) 15.4 ppb (14) 10.0 ppb (9) 12.4 ppb (11) 2.0 ppb (3) 37.0 ppb (28) 0.24 ppb (3) 56.0 μg/m3 (50) 17.9 μg/m3 (63) 63.0
 
July 18, 2019, 3 p.m. 13.7 ppb (13) 3.0 ppb (3) 14.7 ppb (14) 11.0 ppb (10) 11.9 ppb (11) 2.0 ppb (3) 28.0 ppb (22) 0.24 ppb (3) 45.0 μg/m3 (41) 11.6 μg/m3 (48) 48.0
 
July 18, 2019, 2 p.m. 16.1 ppb (15) 3.9 ppb (4) 16.6 ppb (15) 12.0 ppb (11) 12.6 ppb (12) 2.0 ppb (3) 20.0 ppb (15) 0.29 ppb (3) 40.0 μg/m3 (36) 9.9 μg/m3 (41) 41.0
 
July 18, 2019, 1 p.m. 18.4 ppb (17) 3.8 ppb (4) 16.9 ppb (16) 15.0 ppb (14) 14.2 ppb (13) 0.0 ppb (0) 13.0 ppb (10) 0.29 ppb (3) 30.0 μg/m3 (27) 8.9 μg/m3 (37) 37.0
 
July 18, 2019, noon N/A N/A 8.6 ppb (8) N/A 8.5 ppb (8) 0.0 ppb (0) N/A 0.22 ppb (2) 31.0 μg/m3 (28) 8.6 μg/m3 (36) 36.0
 
July 18, 2019, 11 a.m. 6.1 ppb (6) 0.0 ppb (0) 6.7 ppb (6) 6.0 ppb (6) 6.8 ppb (6) 0.0 ppb (0) 22.0 ppb (17) 0.16 ppb (2) 30.0 μg/m3 (27) 6.8 μg/m3 (28) 28.0
 
July 18, 2019, 10 a.m. 5.7 ppb (5) 0.0 ppb (0) 5.7 ppb (5) 6.0 ppb (6) 5.7 ppb (5) 0.0 ppb (0) 25.0 ppb (19) 0.15 ppb (2) 28.0 μg/m3 (25) 3.3 μg/m3 (14) 25.0
 
July 18, 2019, 9 a.m. 5.1 ppb (5) -0.1 ppb (0) 5.3 ppb (5) 5.0 ppb (5) 5.3 ppb (5) 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) 31.0 μg/m3 (28) 3.8 μg/m3 (16) 28.0
 
July 18, 2019, 8 a.m. 5.2 ppb (5) -0.1 ppb (0) 5.3 ppb (5) 5.0 ppb (5) 5.4 ppb (5) 0.0 ppb (0) 31.0 ppb (24) 0.16 ppb (2) 34.0 μg/m3 (31) 6.2 μg/m3 (26) 31.0
 
July 18, 2019, 7 a.m. 6.3 ppb (6) -0.1 ppb (0) 6.6 ppb (6) 6.0 ppb (6) 6.7 ppb (6) 1.0 ppb (1) 33.0 ppb (25) 0.17 ppb (2) 48.0 μg/m3 (44) 4.5 μg/m3 (19) 44.0
 
July 18, 2019, 6 a.m. 6.0 ppb (6) -0.1 ppb (0) 5.9 ppb (5) 6.0 ppb (6) 5.9 ppb (5) 1.0 ppb (1) 39.0 ppb (30) 0.18 ppb (2) 36.0 μg/m3 (33) 4.1 μg/m3 (17) 33.0
 
July 18, 2019, 5 a.m. 6.2 ppb (6) -0.1 ppb (0) 6.3 ppb (6) 6.0 ppb (6) 6.3 ppb (6) 1.0 ppb (1) 41.0 ppb (32) 0.18 ppb (2) 33.0 μg/m3 (30) 7.0 μg/m3 (29) 32.0
 
July 18, 2019, 4 a.m. 4.7 ppb (4) -0.2 ppb (0) 4.6 ppb (4) 5.0 ppb (5) 4.6 ppb (4) 2.0 ppb (3) 44.0 ppb (34) 0.18 ppb (2) 34.0 μg/m3 (31) 4.3 μg/m3 (18) 34.0
 
July 18, 2019, 3 a.m. 3.7 ppb (3) -0.1 ppb (0) 3.7 ppb (3) 4.0 ppb (4) 3.7 ppb (3) 2.0 ppb (3) 45.0 ppb (35) 0.15 ppb (2) 31.0 μg/m3 (28) 2.5 μg/m3 (10) 35.0
 
July 18, 2019, 2 a.m. 1.4 ppb (1) -0.1 ppb (0) 1.6 ppb (1) 2.0 ppb (2) 1.6 ppb (1) 2.0 ppb (3) 41.0 ppb (32) 0.13 ppb (1) 18.0 μg/m3 (16) 2.3 μg/m3 (10) 32.0
 
July 18, 2019, 1 a.m. 0.7 ppb (1) 0.0 ppb (0) 0.8 ppb (1) 1.0 ppb (1) 0.7 ppb (1) 1.0 ppb (1) 38.0 ppb (29) 0.12 ppb (1) 7.0 μg/m3 (6) 2.4 μg/m3 (10) 29.0
 
July 18, 2019, midnight 1.1 ppb (1) 0.1 ppb (0) 1.2 ppb (1) 1.0 ppb (1) 0.9 ppb (1) 0.0 ppb (0) 41.0 ppb (32) 0.13 ppb (1) 10.0 μg/m3 (9) 2.8 μg/m3 (12) 32.0
 
July 17, 2019, 11 p.m. 1.1 ppb (1) 0.1 ppb (0) 1.2 ppb (1) 1.0 ppb (1) 1.0 ppb (1) 1.0 ppb (1) 45.0 ppb (35) 0.13 ppb (1) 15.0 μg/m3 (14) 1.7 μg/m3 (7) 35.0
 
July 17, 2019, 10 p.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 44.0 ppb (34) 0.13 ppb (1) 22.0 μg/m3 (20) 5.8 μg/m3 (24) 34.0
 
July 17, 2019, 9 p.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 46.0 ppb (35) 0.13 ppb (1) 28.0 μg/m3 (25) 7.3 μg/m3 (30) 35.0
 
July 17, 2019, 8 p.m. 3.4 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 49.0 ppb (38) 0.15 ppb (2) 26.0 μg/m3 (24) 3.6 μg/m3 (15) 38.0
 
July 17, 2019, 7 p.m. 5.5 ppb (5) 1.0 ppb (1) 6.1 ppb (6) 5.0 ppb (5) 5.1 ppb (5) N/A 45.0 ppb (35) N/A 26.0 μg/m3 (24) 5.6 μg/m3 (23) 35.0
 
July 17, 2019, 6 p.m. 3.5 ppb (3) 0.7 ppb (1) 3.6 ppb (3) 3.0 ppb (3) 2.8 ppb (3) 0.0 ppb (0) 44.0 ppb (34) 0.15 ppb (2) 18.0 μg/m3 (16) 7.4 μg/m3 (31) 34.0
 
July 17, 2019, 5 p.m. 2.4 ppb (2) 0.4 ppb (0) 2.1 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 41.0 ppb (32) 0.14 ppb (2) 13.0 μg/m3 (12) 6.4 μg/m3 (27) 32.0
 
July 17, 2019, 4 p.m. 2.9 ppb (3) 0.7 ppb (1) 2.4 ppb (2) 2.0 ppb (2) 1.6 ppb (1) 0.0 ppb (0) 34.0 ppb (26) 0.14 ppb (2) 17.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
July 17, 2019, 3 p.m. 3.7 ppb (3) 1.0 ppb (1) 2.9 ppb (3) 3.0 ppb (3) 2.0 ppb (2) 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) 20.0 μg/m3 (18) 6.4 μg/m3 (27) 27.0
 
July 17, 2019, 2 p.m. 3.4 ppb (3) 0.7 ppb (1) 2.6 ppb (2) 3.0 ppb (3) 1.8 ppb (2) 0.0 ppb (0) 25.0 ppb (19) 0.14 ppb (2) 20.0 μg/m3 (18) 6.2 μg/m3 (26) 26.0
 
July 17, 2019, 1 p.m. 4.6 ppb (4) 0.4 ppb (0) 3.6 ppb (3) 4.0 ppb (4) 3.3 ppb (3) 0.0 ppb (0) 20.0 ppb (15) 0.13 ppb (1) 18.0 μg/m3 (16) 8.4 μg/m3 (35) 35.0
 
July 17, 2019, noon N/A N/A 2.5 ppb (2) N/A 2.5 ppb (2) 0.0 ppb (0) N/A 0.12 ppb (1) 16.0 μg/m3 (15) 6.8 μg/m3 (28) 28.0
 
July 17, 2019, 11 a.m. 1.8 ppb (2) -0.1 ppb (0) 1.3 ppb (1) 2.0 ppb (2) 1.3 ppb (1) 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) 13.0 μg/m3 (12) 5.5 μg/m3 (23) 23.0
 
July 17, 2019, 10 a.m. 1.7 ppb (2) -0.1 ppb (0) 1.0 ppb (1) 2.0 ppb (2) 1.1 ppb (1) 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) 14.0 μg/m3 (13) 2.0 μg/m3 (8) 17.0
 
July 17, 2019, 9 a.m. 0.7 ppb (1) -0.2 ppb (0) 0.1 ppb (0) 1.0 ppb (1) 0.2 ppb (0) 0.0 ppb (0) 26.0 ppb (20) 0.09 ppb (1) 13.0 μg/m3 (12) 0.7 μg/m3 (3) 20.0
 
July 17, 2019, 8 a.m. 0.3 ppb (0) -0.2 ppb (0) -0.3 ppb (0) 0.0 ppb (0) -0.2 ppb (0) 0.0 ppb (0) 26.0 ppb (20) 0.09 ppb (1) 13.0 μg/m3 (12) N/A 20.0
 
July 17, 2019, 7 a.m. 0.9 ppb (1) -0.2 ppb (0) 0.4 ppb (0) 1.0 ppb (1) 0.4 ppb (0) 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) 15.0 μg/m3 (14) -1.0 μg/m3 (0) 17.0
 
July 17, 2019, 6 a.m. 0.3 ppb (0) -0.2 ppb (0) -0.1 ppb (0) 0.0 ppb (0) -0.1 ppb (0) 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) 13.0 μg/m3 (12) 2.8 μg/m3 (12) 18.0
 
July 17, 2019, 5 a.m. 0.1 ppb (0) -0.2 ppb (0) -0.3 ppb (0) 0.0 ppb (0) -0.2 ppb (0) 0.0 ppb (0) 24.0 ppb (18) 0.09 ppb (1) 54.0 μg/m3 (49) 2.1 μg/m3 (9) 49.0
 
July 17, 2019, 4 a.m. 1.9 ppb (2) -0.1 ppb (0) 1.9 ppb (2) 2.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) 33.0 ppb (25) 0.13 ppb (1) 46.0 μg/m3 (42) 4.7 μg/m3 (20) 42.0
 
July 17, 2019, 3 a.m. 2.3 ppb (2) -0.1 ppb (0) 2.5 ppb (2) 2.0 ppb (2) 2.5 ppb (2) 1.0 ppb (1) 43.0 ppb (33) 0.14 ppb (2) 24.0 μg/m3 (22) 5.4 μg/m3 (23) 33.0
 
July 17, 2019, 2 a.m. 0.9 ppb (1) -0.1 ppb (0) 1.3 ppb (1) 1.0 ppb (1) 1.3 ppb (1) 1.0 ppb (1) 44.0 ppb (34) 0.13 ppb (1) 31.0 μg/m3 (28) 4.7 μg/m3 (20) 34.0
 
July 17, 2019, 1 a.m. 0.8 ppb (1) 0.0 ppb (0) 1.3 ppb (1) 1.0 ppb (1) 1.2 ppb (1) 1.0 ppb (1) 46.0 ppb (35) 0.13 ppb (1) 39.0 μg/m3 (35) 5.9 μg/m3 (25) 35.0
 
July 17, 2019, midnight 0.8 ppb (1) 0.0 ppb (0) 1.5 ppb (1) 1.0 ppb (1) 1.4 ppb (1) 1.0 ppb (1) 48.0 ppb (37) 0.13 ppb (1) 30.0 μg/m3 (27) 5.3 μg/m3 (22) 37.0
 
July 16, 2019, 11 p.m. 0.3 ppb (0) 0.0 ppb (0) 0.8 ppb (1) 0.0 ppb (0) 0.7 ppb (1) 1.0 ppb (1) 39.0 ppb (30) 0.1 ppb (1) 22.0 μg/m3 (20) 5.8 μg/m3 (24) 30.0
 
July 16, 2019, 10 p.m. 0.3 ppb (0) 0.0 ppb (0) 1.1 ppb (1) 0.0 ppb (0) 0.9 ppb (1) 1.0 ppb (1) 37.0 ppb (28) 0.12 ppb (1) 35.0 μg/m3 (32) 6.7 μg/m3 (28) 32.0
 
July 16, 2019, 9 p.m. 0.5 ppb (0) 0.1 ppb (0) 1.0 ppb (1) 0.0 ppb (0) 0.8 ppb (1) 1.0 ppb (1) 34.0 ppb (26) 0.1 ppb (1) 22.0 μg/m3 (20) 3.9 μg/m3 (16) 26.0
 
July 16, 2019, 8 p.m. 0.6 ppb (1) 0.1 ppb (0) 1.2 ppb (1) 0.0 ppb (0) 0.9 ppb (1) 1.0 ppb (1) 32.0 ppb (25) 0.1 ppb (1) 15.0 μg/m3 (14) 2.8 μg/m3 (12) 25.0
 
July 16, 2019, 7 p.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) 0.11 ppb (1) 17.0 μg/m3 (15) 2.3 μg/m3 (10) 28.0
 
July 16, 2019, 6 p.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) 0.11 ppb (1) 14.0 μg/m3 (13) 3.6 μg/m3 (15) 25.0
 
July 16, 2019, 5 p.m. 2.0 ppb (2) 0.5 ppb (0) 1.8 ppb (2) 2.0 ppb (2) 1.3 ppb (1) 0.0 ppb (0) 28.0 ppb (22) 0.11 ppb (1) 17.0 μg/m3 (15) 2.9 μg/m3 (12) 22.0
 
July 16, 2019, 4 p.m. 4.6 ppb (4) 1.3 ppb (1) 4.2 ppb (4) 3.0 ppb (3) 2.9 ppb (3) 1.0 ppb (1) 25.0 ppb (19) 0.14 ppb (2) 24.0 μg/m3 (22) 1.5 μg/m3 (6) 22.0
 
July 16, 2019, 3 p.m. 6.1 ppb (6) 2.2 ppb (2) 5.4 ppb (5) 4.0 ppb (4) 3.4 ppb (3) 1.0 ppb (1) 18.0 ppb (14) 0.16 ppb (2) 22.0 μg/m3 (20) 5.5 μg/m3 (23) 23.0
 
July 16, 2019, 2 p.m. 7.5 ppb (7) 2.8 ppb (3) 6.6 ppb (6) 5.0 ppb (5) 4.0 ppb (4) 0.0 ppb (0) 12.0 ppb (9) 0.15 ppb (2) 18.0 μg/m3 (16) 3.7 μg/m3 (15) 16.0
 
July 16, 2019, 1 p.m. 9.0 ppb (8) 2.0 ppb (2) 7.8 ppb (7) 7.0 ppb (6) 6.1 ppb (6) 0.0 ppb (0) 8.0 ppb (6) 0.15 ppb (2) 17.0 μg/m3 (15) 0.5 μg/m3 (2) 15.0
 
July 16, 2019, noon N/A N/A 5.3 ppb (5) N/A 5.1 ppb (5) 0.0 ppb (0) N/A 0.13 ppb (1) 15.0 μg/m3 (14) 1.4 μg/m3 (6) 14.0
 
July 16, 2019, 11 a.m. 3.7 ppb (3) -0.1 ppb (0) 3.1 ppb (3) 4.0 ppb (4) 3.1 ppb (3) 0.0 ppb (0) 12.0 ppb (9) 0.11 ppb (1) 10.0 μg/m3 (9) -0.6 μg/m3 (0) 9.0
 
July 16, 2019, 10 a.m. 2.7 ppb (3) -0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) 2.0 ppb (2) 0.0 ppb (0) 14.0 ppb (11) 0.1 ppb (1) 13.0 μg/m3 (12) N/A 12.0
 
July 16, 2019, 9 a.m. 1.6 ppb (1) -0.1 ppb (0) 1.1 ppb (1) 2.0 ppb (2) 1.2 ppb (1) 0.0 ppb (0) 17.0 ppb (13) 0.1 ppb (1) 11.0 μg/m3 (10) -1.3 μg/m3 (0) 13.0
 
July 16, 2019, 8 a.m. 1.7 ppb (2) -0.1 ppb (0) 1.2 ppb (1) 2.0 ppb (2) 1.3 ppb (1) 0.0 ppb (0) 19.0 ppb (15) 0.1 ppb (1) 16.0 μg/m3 (15) 0.6 μg/m3 (2) 15.0
 
July 16, 2019, 7 a.m. 2.1 ppb (2) -0.1 ppb (0) 1.8 ppb (2) 2.0 ppb (2) 1.9 ppb (2) 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) 16.0 μg/m3 (15) -0.5 μg/m3 (0) 15.0
 
July 16, 2019, 6 a.m. 3.1 ppb (3) -0.1 ppb (0) 3.0 ppb (3) 3.0 ppb (3) 3.0 ppb (3) 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) 37.0 μg/m3 (34) 2.9 μg/m3 (12) 34.0
 
July 16, 2019, 5 a.m. 2.6 ppb (2) -0.1 ppb (0) 2.8 ppb (3) 3.0 ppb (3) 2.9 ppb (3) 1.0 ppb (1) 35.0 ppb (27) 0.14 ppb (2) 36.0 μg/m3 (33) 4.2 μg/m3 (18) 33.0
 
July 16, 2019, 4 a.m. 1.9 ppb (2) -0.2 ppb (0) 2.2 ppb (2) 2.0 ppb (2) 2.3 ppb (2) 1.0 ppb (1) 44.0 ppb (34) 0.14 ppb (2) 32.0 μg/m3 (29) 3.7 μg/m3 (15) 34.0
 
July 16, 2019, 3 a.m. 1.7 ppb (2) -0.2 ppb (0) 2.0 ppb (2) 2.0 ppb (2) 2.0 ppb (2) 1.0 ppb (1) 42.0 ppb (32) 0.14 ppb (2) 30.0 μg/m3 (27) 4.6 μg/m3 (19) 32.0
 
July 16, 2019, 2 a.m. 1.0 ppb (1) -0.1 ppb (0) 1.5 ppb (1) 1.0 ppb (1) 1.5 ppb (1) 1.0 ppb (1) 43.0 ppb (33) 0.13 ppb (1) 30.0 μg/m3 (27) 6.2 μg/m3 (26) 33.0
 
July 16, 2019, 1 a.m. 1.1 ppb (1) 0.0 ppb (0) 1.6 ppb (1) 1.0 ppb (1) 1.5 ppb (1) 1.0 ppb (1) 48.0 ppb (37) 0.12 ppb (1) 33.0 μg/m3 (30) 6.8 μg/m3 (28) 37.0
 
July 16, 2019, midnight 1.1 ppb (1) 0.0 ppb (0) 1.6 ppb (1) 1.0 ppb (1) 1.5 ppb (1) 1.0 ppb (1) 48.0 ppb (37) 0.13 ppb (1) 38.0 μg/m3 (35) 4.6 μg/m3 (19) 37.0
 
July 15, 2019, 11 p.m. 0.6 ppb (1) 0.0 ppb (0) 1.0 ppb (1) 1.0 ppb (1) 0.8 ppb (1) 1.0 ppb (1) 47.0 ppb (36) 0.11 ppb (1) 29.0 μg/m3 (26) 4.5 μg/m3 (19) 36.0
 
July 15, 2019, 10 p.m. 0.7 ppb (1) 0.0 ppb (0) 1.0 ppb (1) 1.0 ppb (1) 0.9 ppb (1) 1.0 ppb (1) 47.0 ppb (36) 0.12 ppb (1) 27.0 μg/m3 (25) 8.0 μg/m3 (33) 36.0
 
July 15, 2019, 9 p.m. 0.9 ppb (1) 0.0 ppb (0) 1.4 ppb (1) 1.0 ppb (1) 1.3 ppb (1) 1.0 ppb (1) 48.0 ppb (37) 0.14 ppb (2) 36.0 μg/m3 (33) 9.6 μg/m3 (40) 40.0
 
July 15, 2019, 8 p.m. 1.8 ppb (2) 0.1 ppb (0) 2.2 ppb (2) 2.0 ppb (2) 2.1 ppb (2) 1.0 ppb (1) 53.0 ppb (41) 0.14 ppb (2) 37.0 μg/m3 (34) 9.4 μg/m3 (39) 41.0
 
July 15, 2019, 7 p.m. 1.7 ppb (2) 0.1 ppb (0) 2.2 ppb (2) 2.0 ppb (2) 2.0 ppb (2) 1.0 ppb (1) 50.0 ppb (38) 0.13 ppb (1) 38.0 μg/m3 (35) 6.8 μg/m3 (28) 38.0
 
July 15, 2019, 6 p.m. 1.0 ppb (1) 0.1 ppb (0) 0.9 ppb (1) 1.0 ppb (1) 0.8 ppb (1) 1.0 ppb (1) 41.0 ppb (32) 0.12 ppb (1) 22.0 μg/m3 (20) 4.7 μg/m3 (20) 32.0
 
July 15, 2019, 5 p.m. 1.0 ppb (1) 0.1 ppb (0) 0.8 ppb (1) 1.0 ppb (1) 0.6 ppb (1) 1.0 ppb (1) 37.0 ppb (28) 0.12 ppb (1) 23.0 μg/m3 (21) 4.9 μg/m3 (20) 28.0
 
July 15, 2019, 4 p.m. 2.4 ppb (2) 0.4 ppb (0) 2.1 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 1.0 ppb (1) 33.0 ppb (25) 0.13 ppb (1) 16.0 μg/m3 (15) 8.2 μg/m3 (34) 34.0
 
July 15, 2019, 3 p.m. 5.6 ppb (5) 1.2 ppb (1) 5.2 ppb (5) 4.0 ppb (4) 4.0 ppb (4) 1.0 ppb (1) 28.0 ppb (22) 0.18 ppb (2) 20.0 μg/m3 (18) 8.3 μg/m3 (35) 35.0
 
July 15, 2019, 2 p.m. 7.0 ppb (6) 1.6 ppb (1) 6.5 ppb (6) 5.0 ppb (5) 4.9 ppb (5) 1.0 ppb (1) 22.0 ppb (17) 0.19 ppb (2) 21.0 μg/m3 (19) 6.7 μg/m3 (28) 28.0
 
July 15, 2019, 1 p.m. 5.6 ppb (5) 0.5 ppb (0) 4.9 ppb (5) 5.0 ppb (5) 4.5 ppb (4) 0.0 ppb (0) 21.0 ppb (16) 0.16 ppb (2) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
July 15, 2019, noon N/A N/A 4.2 ppb (4) N/A 4.2 ppb (4) 0.0 ppb (0) N/A 0.15 ppb (2) 16.0 μg/m3 (15) 5.5 μg/m3 (23) 23.0
 
July 15, 2019, 11 a.m. 5.0 ppb (5) 0.0 ppb (0) 4.5 ppb (4) 5.0 ppb (5) 4.5 ppb (4) 0.0 ppb (0) 21.0 ppb (16) 0.15 ppb (2) 16.0 μg/m3 (15) 4.3 μg/m3 (18) 18.0
 
July 15, 2019, 10 a.m. 4.2 ppb (4) -0.1 ppb (0) 3.8 ppb (4) 4.0 ppb (4) 3.9 ppb (4) 0.0 ppb (0) 23.0 ppb (18) 0.14 ppb (2) 18.0 μg/m3 (16) 3.3 μg/m3 (14) 18.0
 
July 15, 2019, 9 a.m. 2.8 ppb (3) -0.1 ppb (0) 2.5 ppb (2) 3.0 ppb (3) 2.6 ppb (2) 0.0 ppb (0) 28.0 ppb (22) 0.14 ppb (2) 19.0 μg/m3 (17) 3.9 μg/m3 (16) 22.0
 
July 15, 2019, 8 a.m. 2.3 ppb (2) -0.1 ppb (0) 2.1 ppb (2) 2.0 ppb (2) 2.2 ppb (2) 0.0 ppb (0) 31.0 ppb (24) 0.14 ppb (2) 18.0 μg/m3 (16) 4.4 μg/m3 (18) 24.0
 
July 15, 2019, 7 a.m. 2.1 ppb (2) -0.2 ppb (0) 2.1 ppb (2) 2.0 ppb (2) 2.2 ppb (2) 1.0 ppb (1) 35.0 ppb (27) 0.14 ppb (2) 19.0 μg/m3 (17) 6.7 μg/m3 (28) 28.0
 
July 15, 2019, 6 a.m. 1.8 ppb (2) -0.2 ppb (0) 1.9 ppb (2) 2.0 ppb (2) 2.0 ppb (2) 1.0 ppb (1) 42.0 ppb (32) 0.14 ppb (2) 20.0 μg/m3 (18) 6.4 μg/m3 (27) 32.0
 
July 15, 2019, 5 a.m. 1.4 ppb (1) -0.2 ppb (0) 1.6 ppb (1) 2.0 ppb (2) 1.7 ppb (2) 1.0 ppb (1) 47.0 ppb (36) 0.14 ppb (2) 20.0 μg/m3 (18) 7.1 μg/m3 (30) 36.0
 
July 15, 2019, 4 a.m. 1.2 ppb (1) -0.2 ppb (0) 1.3 ppb (1) 1.0 ppb (1) 1.4 ppb (1) 1.0 ppb (1) 46.0 ppb (35) 0.13 ppb (1) 19.0 μg/m3 (17) 4.3 μg/m3 (18) 35.0
 
July 15, 2019, 3 a.m. 1.3 ppb (1) -0.2 ppb (0) 1.5 ppb (1) 1.0 ppb (1) 1.5 ppb (1) 1.0 ppb (1) 49.0 ppb (38) 0.13 ppb (1) 20.0 μg/m3 (18) 2.8 μg/m3 (12) 38.0
 
July 15, 2019, 2 a.m. 0.9 ppb (1) -0.1 ppb (0) 1.3 ppb (1) 1.0 ppb (1) 1.3 ppb (1) 1.0 ppb (1) 55.0 ppb (42) 0.12 ppb (1) 20.0 μg/m3 (18) 4.9 μg/m3 (20) 42.0
 
July 15, 2019, 1 a.m. 0.4 ppb (0) -0.1 ppb (0) 0.8 ppb (1) 1.0 ppb (1) 0.7 ppb (1) 1.0 ppb (1) 45.0 ppb (35) 0.1 ppb (1) 16.0 μg/m3 (15) 2.3 μg/m3 (10) 35.0
 
July 15, 2019, midnight 0.2 ppb (0) 0.0 ppb (0) 0.6 ppb (1) 0.0 ppb (0) 0.5 ppb (0) 1.0 ppb (1) 44.0 ppb (34) 0.1 ppb (1) 19.0 μg/m3 (17) 3.2 μg/m3 (13) 34.0
 
July 14, 2019, 11 p.m. 0.4 ppb (0) 0.0 ppb (0) 1.0 ppb (1) 0.0 ppb (0) 0.9 ppb (1) 1.0 ppb (1) 49.0 ppb (38) 0.12 ppb (1) 18.0 μg/m3 (16) 2.3 μg/m3 (10) 38.0
 
July 14, 2019, 10 p.m. 0.6 ppb (1) 0.0 ppb (0) 1.3 ppb (1) 1.0 ppb (1) 1.2 ppb (1) 1.0 ppb (1) 50.0 ppb (38) 0.12 ppb (1) 15.0 μg/m3 (14) 0.5 μg/m3 (2) 38.0
 
July 14, 2019, 9 p.m. 0.8 ppb (1) 0.0 ppb (0) 1.6 ppb (1) 1.0 ppb (1) 1.5 ppb (1) 1.0 ppb (1) 52.0 ppb (40) 0.12 ppb (1) 16.0 μg/m3 (15) 3.8 μg/m3 (16) 40.0
 
July 14, 2019, 8 p.m. 1.1 ppb (1) 0.0 ppb (0) 1.8 ppb (2) 1.0 ppb (1) 1.7 ppb (2) 1.0 ppb (1) 49.0 ppb (38) 0.12 ppb (1) 17.0 μg/m3 (15) 5.6 μg/m3 (23) 38.0
 
July 14, 2019, 7 p.m. 1.6 ppb (1) 0.0 ppb (0) 2.6 ppb (2) 2.0 ppb (2) 2.5 ppb (2) 2.0 ppb (3) 56.0 ppb (43) 0.14 ppb (2) 25.0 μg/m3 (23) 6.2 μg/m3 (26) 43.0
 
July 14, 2019, 6 p.m. 2.9 ppb (3) 0.1 ppb (0) 4.3 ppb (4) 3.0 ppb (3) 4.2 ppb (4) 1.0 ppb (1) 60.0 ppb (46) 0.18 ppb (2) 23.0 μg/m3 (21) 16.3 μg/m3 (59) 59.0
 
July 14, 2019, 5 p.m. 4.3 ppb (4) 0.7 ppb (1) 5.5 ppb (5) 4.0 ppb (4) 4.6 ppb (4) 2.0 ppb (3) 52.0 ppb (40) 0.18 ppb (2) 30.0 μg/m3 (27) 16.7 μg/m3 (60) 60.0
 
July 14, 2019, 4 p.m. 3.6 ppb (3) 0.4 ppb (0) 4.2 ppb (4) 3.0 ppb (3) 3.7 ppb (3) 1.0 ppb (1) 40.0 ppb (31) 0.17 ppb (2) 22.0 μg/m3 (20) 1.8 μg/m3 (8) 31.0
 
July 14, 2019, 3 p.m. 4.5 ppb (4) 1.0 ppb (1) 4.3 ppb (4) 3.0 ppb (3) 3.3 ppb (3) 1.0 ppb (1) 26.0 ppb (20) 0.15 ppb (2) 21.0 μg/m3 (19) 3.5 μg/m3 (15) 20.0
 
July 14, 2019, 2 p.m. 5.5 ppb (5) 1.2 ppb (1) 5.1 ppb (5) 4.0 ppb (4) 3.9 ppb (4) 1.0 ppb (1) 19.0 ppb (15) 0.14 ppb (2) 21.0 μg/m3 (19) 4.5 μg/m3 (19) 19.0
 
July 14, 2019, 1 p.m. 7.3 ppb (7) 0.8 ppb (1) 6.7 ppb (6) 7.0 ppb (6) 6.1 ppb (6) 0.0 ppb (0) 14.0 ppb (11) 0.15 ppb (2) 20.0 μg/m3 (18) 0.9 μg/m3 (4) 18.0
 
July 14, 2019, noon N/A N/A 5.2 ppb (5) N/A 5.2 ppb (5) 0.0 ppb (0) N/A 0.15 ppb (2) 19.0 μg/m3 (17) 1.8 μg/m3 (8) 17.0
 
July 14, 2019, 11 a.m. 5.3 ppb (5) 0.0 ppb (0) 4.9 ppb (5) 5.0 ppb (5) 5.0 ppb (5) 0.0 ppb (0) 17.0 ppb (13) 0.15 ppb (2) 22.0 μg/m3 (20) 6.1 μg/m3 (25) 25.0
 
July 14, 2019, 10 a.m. 4.9 ppb (5) 0.0 ppb (0) 4.6 ppb (4) 5.0 ppb (5) 4.7 ppb (4) 0.0 ppb (0) 19.0 ppb (15) 0.14 ppb (2) 23.0 μg/m3 (21) 7.5 μg/m3 (31) 31.0
 
July 14, 2019, 9 a.m. 3.9 ppb (4) -0.1 ppb (0) 3.5 ppb (3) 4.0 ppb (4) 3.6 ppb (3) 1.0 ppb (1) 23.0 ppb (18) 0.13 ppb (1) 20.0 μg/m3 (18) 4.7 μg/m3 (20) 20.0
 
July 14, 2019, 8 a.m. 4.9 ppb (5) -0.1 ppb (0) 4.8 ppb (4) 5.0 ppb (5) 4.8 ppb (4) 1.0 ppb (1) 26.0 ppb (20) 0.14 ppb (2) 24.0 μg/m3 (22) 4.6 μg/m3 (19) 22.0
 
July 14, 2019, 7 a.m. 4.1 ppb (4) -0.1 ppb (0) 4.2 ppb (4) 4.0 ppb (4) 4.3 ppb (4) 1.0 ppb (1) 33.0 ppb (25) 0.15 ppb (2) 26.0 μg/m3 (24) 5.4 μg/m3 (23) 25.0
 
July 14, 2019, 6 a.m. 1.8 ppb (2) -0.2 ppb (0) 2.1 ppb (2) 2.0 ppb (2) 2.1 ppb (2) 1.0 ppb (1) 43.0 ppb (33) 0.14 ppb (2) 16.0 μg/m3 (15) 5.3 μg/m3 (22) 33.0
 
July 14, 2019, 5 a.m. 1.9 ppb (2) -0.2 ppb (0) 2.4 ppb (2) 2.0 ppb (2) 2.4 ppb (2) 1.0 ppb (1) 44.0 ppb (34) 0.14 ppb (2) 27.0 μg/m3 (25) 4.5 μg/m3 (19) 34.0
 
July 14, 2019, 4 a.m. 2.0 ppb (2) -0.2 ppb (0) 2.4 ppb (2) 2.0 ppb (2) 2.5 ppb (2) 1.0 ppb (1) 46.0 ppb (35) 0.14 ppb (2) 21.0 μg/m3 (19) 6.8 μg/m3 (28) 35.0
 
July 14, 2019, 3 a.m. 2.4 ppb (2) -0.1 ppb (0) 3.1 ppb (3) 3.0 ppb (3) 3.0 ppb (3) 1.0 ppb (1) 46.0 ppb (35) 0.15 ppb (2) 22.0 μg/m3 (20) 8.3 μg/m3 (35) 35.0
 
July 14, 2019, 2 a.m. 1.4 ppb (1) -0.1 ppb (0) 2.3 ppb (2) 2.0 ppb (2) 2.2 ppb (2) 1.0 ppb (1) 47.0 ppb (36) 0.14 ppb (2) 20.0 μg/m3 (18) 5.9 μg/m3 (25) 36.0
 
July 14, 2019, 1 a.m. 0.5 ppb (0) -0.1 ppb (0) 1.2 ppb (1) 1.0 ppb (1) 1.1 ppb (1) 1.0 ppb (1) 42.0 ppb (32) 0.12 ppb (1) 17.0 μg/m3 (15) 4.8 μg/m3 (20) 32.0
 
July 14, 2019, midnight 0.6 ppb (1) 0.0 ppb (0) 1.5 ppb (1) 1.0 ppb (1) 1.4 ppb (1) 1.0 ppb (1) 47.0 ppb (36) 0.13 ppb (1) 15.0 μg/m3 (14) 8.0 μg/m3 (33) 36.0
 
July 13, 2019, 11 p.m. 0.3 ppb (0) -0.1 ppb (0) 1.3 ppb (1) 0.0 ppb (0) 1.3 ppb (1) 1.0 ppb (1) 53.0 ppb (41) 0.13 ppb (1) 17.0 μg/m3 (15) 10.9 μg/m3 (45) 45.0