AQSQID: 401431127

Site Name: Tulsa

Location: Tulsa (E 36th St N), OK

Reporting: True, Located: True

Current AQI: 24.0

Tulsa (E 36th St N) OK, US: 36.206699, -95.976402

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 21, 2019, 2 a.m. 1.9 ppb (2) 0.1 ppb (0) 1.2 ppb (1) 2.0 ppb (2) 0.8 ppb (1) 0.0 ppb (0) 31.0 ppb (24) 0.18 ppb (2) 4.0 μg/m3 (4) 1.6 μg/m3 (7) 24.0
 
May 21, 2019, 1 a.m. 2.3 ppb (2) 0.1 ppb (0) 1.5 ppb (1) 2.0 ppb (2) 1.3 ppb (1) 0.0 ppb (0) 28.0 ppb (22) 0.2 ppb (2) 12.0 μg/m3 (11) 5.8 μg/m3 (24) 24.0
 
May 21, 2019, midnight 2.7 ppb (3) 0.2 ppb (0) 2.0 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 20.0 ppb (15) 0.22 ppb (2) 17.0 μg/m3 (15) 9.9 μg/m3 (41) 41.0
 
May 20, 2019, 11 p.m. 2.9 ppb (3) 0.2 ppb (0) 2.1 ppb (2) 3.0 ppb (3) 1.8 ppb (2) 0.0 ppb (0) 21.0 ppb (16) 0.22 ppb (2) 14.0 μg/m3 (13) 8.5 μg/m3 (35) 35.0
 
May 20, 2019, 10 p.m. 3.4 ppb (3) 0.3 ppb (0) 2.4 ppb (2) 3.0 ppb (3) 2.0 ppb (2) 0.0 ppb (0) 23.0 ppb (18) 0.23 ppb (3) 15.0 μg/m3 (14) 8.6 μg/m3 (36) 36.0
 
May 20, 2019, 9 p.m. 4.7 ppb (4) 0.3 ppb (0) 3.6 ppb (3) 4.0 ppb (4) 3.0 ppb (3) 0.0 ppb (0) 25.0 ppb (19) 0.23 ppb (3) 15.0 μg/m3 (14) 8.2 μg/m3 (34) 34.0
 
May 20, 2019, 8 p.m. 5.8 ppb (5) 0.4 ppb (0) 4.6 ppb (4) 5.0 ppb (5) 3.7 ppb (3) 0.0 ppb (0) 30.0 ppb (23) 0.24 ppb (3) 16.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
May 20, 2019, 7 p.m. 7.0 ppb (6) 0.6 ppb (1) 6.2 ppb (6) 6.0 ppb (6) 5.1 ppb (5) 0.0 ppb (0) 23.0 ppb (18) 0.23 ppb (3) 13.0 μg/m3 (12) 5.2 μg/m3 (22) 22.0
 
May 20, 2019, 6 p.m. 8.1 ppb (8) 1.4 ppb (1) 6.7 ppb (6) 7.0 ppb (6) 4.6 ppb (4) 0.0 ppb (0) 20.0 ppb (15) 0.24 ppb (3) 10.0 μg/m3 (9) 3.8 μg/m3 (16) 16.0
 
May 20, 2019, 5 p.m. 6.6 ppb (6) 1.4 ppb (1) 5.3 ppb (5) 5.0 ppb (5) 3.3 ppb (3) 0.0 ppb (0) 22.0 ppb (17) 0.21 ppb (2) 9.0 μg/m3 (8) 3.6 μg/m3 (15) 17.0
 
May 20, 2019, 4 p.m. 7.5 ppb (7) 1.3 ppb (1) 5.5 ppb (5) 6.0 ppb (6) 3.8 ppb (4) 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 10.0 μg/m3 (9) 3.9 μg/m3 (16) 16.0
 
May 20, 2019, 3 p.m. 18.1 ppb (17) 6.0 ppb (6) 14.1 ppb (13) 12.0 ppb (11) 7.9 ppb (7) 0.0 ppb (0) 17.0 ppb (13) 0.27 ppb (3) 30.0 μg/m3 (27) 5.7 μg/m3 (24) 27.0
 
May 20, 2019, 2 p.m. 23.4 ppb (22) 10.2 ppb (9) 20.3 ppb (19) 13.0 ppb (12) 5.3 ppb (5) 0.0 ppb (0) 19.0 ppb (15) 0.19 ppb (2) 25.0 μg/m3 (23) 4.0 μg/m3 (17) 23.0
 
May 20, 2019, 1 p.m. 9.2 ppb (9) 2.6 ppb (2) 9.6 ppb (9) 7.0 ppb (6) 5.7 ppb (5) 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) 11.0 μg/m3 (10) 2.3 μg/m3 (10) 17.0
 
May 20, 2019, noon 5.3 ppb (5) 1.0 ppb (1) 4.3 ppb (4) 4.0 ppb (4) 2.7 ppb (3) 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 15.0
 
May 20, 2019, 11 a.m. 6.0 ppb (6) 1.0 ppb (1) 5.3 ppb (5) 5.0 ppb (5) 3.6 ppb (3) 0.0 ppb (0) 17.0 ppb (13) 0.19 ppb (2) 9.0 μg/m3 (8) 2.4 μg/m3 (10) 13.0
 
May 20, 2019, 10 a.m. 3.8 ppb (4) 0.3 ppb (0) 3.2 ppb (3) 3.0 ppb (3) 2.5 ppb (2) 0.0 ppb (0) 12.0 ppb (9) 0.19 ppb (2) 9.0 μg/m3 (8) 3.4 μg/m3 (14) 14.0
 
May 20, 2019, 9 a.m. 2.9 ppb (3) 0.2 ppb (0) 2.5 ppb (2) 3.0 ppb (3) 1.9 ppb (2) 0.0 ppb (0) 10.0 ppb (8) 0.2 ppb (2) 10.0 μg/m3 (9) 3.8 μg/m3 (16) 16.0
 
May 20, 2019, 8 a.m. 4.9 ppb (5) 0.9 ppb (1) 4.6 ppb (4) 4.0 ppb (4) 3.2 ppb (3) 0.0 ppb (0) 7.0 ppb (5) 0.23 ppb (3) 16.0 μg/m3 (15) 5.4 μg/m3 (23) 23.0
 
May 20, 2019, 7 a.m. 5.3 ppb (5) 0.5 ppb (0) 4.8 ppb (4) 5.0 ppb (5) 3.7 ppb (3) 0.0 ppb (0) 4.0 ppb (3) 0.27 ppb (3) 13.0 μg/m3 (12) 6.3 μg/m3 (26) 26.0
 
May 20, 2019, 6 a.m. 8.4 ppb (8) 2.2 ppb (2) 8.7 ppb (8) 6.0 ppb (6) 5.3 ppb (5) 0.0 ppb (0) 1.0 ppb (1) 0.36 ppb (4) 20.0 μg/m3 (18) 8.3 μg/m3 (35) 35.0
 
May 20, 2019, 5 a.m. 11.4 ppb (11) 3.6 ppb (3) 11.9 ppb (11) 8.0 ppb (7) 6.9 ppb (6) 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) 16.0 μg/m3 (15) 6.4 μg/m3 (27) 27.0
 
May 20, 2019, 4 a.m. 13.7 ppb (13) 4.2 ppb (4) 14.3 ppb (13) 9.0 ppb (8) 8.1 ppb (8) 0.0 ppb (0) 1.0 ppb (1) 0.43 ppb (5) 16.0 μg/m3 (15) 6.8 μg/m3 (28) 28.0
 
May 20, 2019, 3 a.m. 19.1 ppb (18) 5.8 ppb (5) 19.8 ppb (18) 13.0 ppb (12) 11.6 ppb (11) 0.0 ppb (0) 1.0 ppb (1) 0.44 ppb (5) 18.0 μg/m3 (16) 6.6 μg/m3 (28) 28.0
 
May 20, 2019, 2 a.m. 17.9 ppb (17) 3.2 ppb (3) 21.2 ppb (20) 15.0 ppb (14) 14.1 ppb (13) 0.0 ppb (0) 4.0 ppb (3) 0.36 ppb (4) 12.0 μg/m3 (11) 4.6 μg/m3 (19) 20.0
 
May 20, 2019, 1 a.m. 11.4 ppb (11) 0.6 ppb (1) 13.4 ppb (12) 11.0 ppb (10) 10.5 ppb (10) 0.0 ppb (0) 14.0 ppb (11) 0.29 ppb (3) 10.0 μg/m3 (9) 3.5 μg/m3 (15) 15.0
 
May 20, 2019, midnight 2.4 ppb (2) 0.1 ppb (0) 2.4 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 33.0 ppb (25) 0.17 ppb (2) 9.0 μg/m3 (8) 3.5 μg/m3 (15) 25.0
 
May 19, 2019, 11 p.m. 1.5 ppb (1) 0.0 ppb (0) 1.2 ppb (1) 1.0 ppb (1) 0.6 ppb (1) 0.0 ppb (0) 35.0 ppb (27) 0.15 ppb (2) 4.0 μg/m3 (4) 1.2 μg/m3 (5) 27.0
 
May 19, 2019, 10 p.m. 1.2 ppb (1) 0.0 ppb (0) 0.8 ppb (1) 1.0 ppb (1) 0.4 ppb (0) 0.0 ppb (0) 34.0 ppb (26) 0.16 ppb (2) 5.0 μg/m3 (5) 1.5 μg/m3 (6) 26.0
 
May 19, 2019, 9 p.m. 1.3 ppb (1) 0.0 ppb (0) 0.9 ppb (1) 1.0 ppb (1) 0.5 ppb (0) 0.0 ppb (0) 36.0 ppb (28) 0.16 ppb (2) 5.0 μg/m3 (5) 1.7 μg/m3 (7) 28.0
 
May 19, 2019, 8 p.m. 1.2 ppb (1) 0.0 ppb (0) 0.8 ppb (1) 1.0 ppb (1) 0.4 ppb (0) 0.0 ppb (0) 39.0 ppb (30) 0.16 ppb (2) 7.0 μg/m3 (6) 2.4 μg/m3 (10) 30.0
 
May 19, 2019, 7 p.m. 1.1 ppb (1) 0.0 ppb (0) 0.7 ppb (1) 1.0 ppb (1) 0.4 ppb (0) 0.0 ppb (0) 40.0 ppb (31) 0.16 ppb (2) 7.0 μg/m3 (6) 2.4 μg/m3 (10) 31.0
 
May 19, 2019, 6 p.m. 1.3 ppb (1) 0.0 ppb (0) 0.9 ppb (1) 1.0 ppb (1) 0.6 ppb (1) 0.0 ppb (0) 41.0 ppb (32) 0.16 ppb (2) 7.0 μg/m3 (6) 2.5 μg/m3 (10) 32.0
 
May 19, 2019, 5 p.m. 2.1 ppb (2) 0.2 ppb (0) 1.4 ppb (1) 2.0 ppb (2) 0.4 ppb (0) 0.0 ppb (0) 41.0 ppb (32) 0.16 ppb (2) 10.0 μg/m3 (9) 2.9 μg/m3 (12) 32.0
 
May 19, 2019, 4 p.m. 1.6 ppb (1) 0.1 ppb (0) 1.1 ppb (1) 2.0 ppb (2) 0.7 ppb (1) 0.0 ppb (0) 39.0 ppb (30) 0.16 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 30.0
 
May 19, 2019, 3 p.m. 1.7 ppb (2) 0.1 ppb (0) 1.2 ppb (1) 2.0 ppb (2) 0.8 ppb (1) 0.0 ppb (0) 39.0 ppb (30) 0.16 ppb (2) 10.0 μg/m3 (9) 3.3 μg/m3 (14) 30.0
 
May 19, 2019, 2 p.m. 1.8 ppb (2) 0.1 ppb (0) 1.2 ppb (1) 2.0 ppb (2) 0.8 ppb (1) 0.0 ppb (0) 40.0 ppb (31) 0.16 ppb (2) 9.0 μg/m3 (8) 3.7 μg/m3 (15) 31.0
 
May 19, 2019, 1 p.m. 1.9 ppb (2) 0.1 ppb (0) 1.2 ppb (1) 2.0 ppb (2) 0.8 ppb (1) 0.0 ppb (0) 39.0 ppb (30) 0.16 ppb (2) 11.0 μg/m3 (10) 4.1 μg/m3 (17) 30.0
 
May 19, 2019, noon 1.8 ppb (2) 0.0 ppb (0) 1.3 ppb (1) 2.0 ppb (2) 1.0 ppb (1) 0.0 ppb (0) 39.0 ppb (30) 0.16 ppb (2) 11.0 μg/m3 (10) 4.4 μg/m3 (18) 30.0
 
May 19, 2019, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) 1.6 ppb (1) 2.0 ppb (2) 1.4 ppb (1) 0.0 ppb (0) 39.0 ppb (30) 0.16 ppb (2) 14.0 μg/m3 (13) 4.5 μg/m3 (19) 30.0
 
May 19, 2019, 10 a.m. 2.0 ppb (2) 0.0 ppb (0) 1.5 ppb (1) 2.0 ppb (2) 1.3 ppb (1) 0.0 ppb (0) 42.0 ppb (32) 0.16 ppb (2) 14.0 μg/m3 (13) 4.6 μg/m3 (19) 32.0
 
May 19, 2019, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) 1.6 ppb (1) 2.0 ppb (2) 1.4 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.17 ppb (2) 15.0 μg/m3 (14) 4.6 μg/m3 (19) 28.0
 
May 19, 2019, 8 a.m. 5.4 ppb (5) 0.0 ppb (0) 4.8 ppb (4) 5.0 ppb (5) 4.7 ppb (4) 0.0 ppb (0) 38.0 ppb (29) 0.18 ppb (2) 15.0 μg/m3 (14) 4.6 μg/m3 (19) 29.0
 
May 19, 2019, 7 a.m. 2.5 ppb (2) 0.0 ppb (0) 2.2 ppb (2) 3.0 ppb (3) 2.1 ppb (2) 0.0 ppb (0) 47.0 ppb (36) 0.17 ppb (2) 16.0 μg/m3 (15) 4.3 μg/m3 (18) 36.0
 
May 19, 2019, 6 a.m. 2.2 ppb (2) 0.0 ppb (0) 1.7 ppb (2) 2.0 ppb (2) 1.5 ppb (1) 0.0 ppb (0) 55.0 ppb (42) 0.16 ppb (2) 18.0 μg/m3 (16) 4.1 μg/m3 (17) 42.0
 
May 19, 2019, 5 a.m. 3.6 ppb (3) 0.1 ppb (0) 2.7 ppb (3) 4.0 ppb (4) 2.2 ppb (2) 0.0 ppb (0) 51.0 ppb (39) 0.17 ppb (2) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 39.0
 
May 19, 2019, 4 a.m. 5.0 ppb (5) 0.0 ppb (0) 4.3 ppb (4) 5.0 ppb (5) 4.1 ppb (4) 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) 13.0 μg/m3 (12) 5.7 μg/m3 (24) 28.0
 
May 19, 2019, 3 a.m. 2.8 ppb (3) 0.0 ppb (0) 2.2 ppb (2) 3.0 ppb (3) 2.1 ppb (2) 0.0 ppb (0) 46.0 ppb (35) 0.18 ppb (2) 11.0 μg/m3 (10) 4.8 μg/m3 (20) 35.0
 
May 19, 2019, 2 a.m. 3.7 ppb (3) 0.0 ppb (0) 3.0 ppb (3) 4.0 ppb (4) 2.9 ppb (3) 0.0 ppb (0) 49.0 ppb (38) 0.18 ppb (2) 9.0 μg/m3 (8) 3.9 μg/m3 (16) 38.0
 
May 19, 2019, 1 a.m. 4.3 ppb (4) 0.0 ppb (0) 3.4 ppb (3) 4.0 ppb (4) 3.3 ppb (3) 0.0 ppb (0) 54.0 ppb (42) 0.17 ppb (2) 9.0 μg/m3 (8) 3.7 μg/m3 (15) 42.0
 
May 19, 2019, midnight 4.3 ppb (4) 0.0 ppb (0) 3.5 ppb (3) 4.0 ppb (4) 3.4 ppb (3) 0.0 ppb (0) 55.0 ppb (42) 0.18 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 42.0
 
May 18, 2019, 11 p.m. 4.1 ppb (4) 0.0 ppb (0) 3.3 ppb (3) 4.0 ppb (4) 3.0 ppb (3) 0.0 ppb (0) 57.0 ppb (44) 0.18 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 44.0
 
May 18, 2019, 10 p.m. 5.5 ppb (5) 0.1 ppb (0) 4.4 ppb (4) 5.0 ppb (5) 4.0 ppb (4) 0.0 ppb (0) 56.0 ppb (43) 0.2 ppb (2) 9.0 μg/m3 (8) 4.1 μg/m3 (17) 43.0
 
May 18, 2019, 9 p.m. 5.4 ppb (5) 0.1 ppb (0) 4.6 ppb (4) 5.0 ppb (5) 4.2 ppb (4) 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) 9.0 μg/m3 (8) 4.1 μg/m3 (17) 40.0
 
May 18, 2019, 8 p.m. 5.5 ppb (5) 0.1 ppb (0) 4.2 ppb (4) 5.0 ppb (5) 3.8 ppb (4) 0.0 ppb (0) 53.0 ppb (41) 0.2 ppb (2) 10.0 μg/m3 (9) 4.6 μg/m3 (19) 41.0
 
May 18, 2019, 7 p.m. 11.5 ppb (11) 1.2 ppb (1) 8.3 ppb (8) 10.0 ppb (9) 6.9 ppb (6) 0.0 ppb (0) 46.0 ppb (35) 0.23 ppb (3) 11.0 μg/m3 (10) 5.1 μg/m3 (21) 35.0
 
May 18, 2019, 6 p.m. 5.4 ppb (5) 0.1 ppb (0) 4.6 ppb (4) 5.0 ppb (5) 4.4 ppb (4) 0.0 ppb (0) 48.0 ppb (37) 0.19 ppb (2) 11.0 μg/m3 (10) 4.6 μg/m3 (19) 37.0
 
May 18, 2019, 5 p.m. 5.1 ppb (5) 0.8 ppb (1) 5.0 ppb (5) 4.0 ppb (4) 4.2 ppb (4) 0.0 ppb (0) 46.0 ppb (35) 0.17 ppb (2) 11.0 μg/m3 (10) 4.1 μg/m3 (17) 35.0
 
May 18, 2019, 4 p.m. 2.5 ppb (2) 0.0 ppb (0) 1.7 ppb (2) 3.0 ppb (3) 1.6 ppb (1) 0.0 ppb (0) 48.0 ppb (37) 0.17 ppb (2) 17.0 μg/m3 (15) 5.4 μg/m3 (23) 37.0
 
May 18, 2019, 3 p.m. 3.6 ppb (3) 0.3 ppb (0) 2.5 ppb (2) 3.0 ppb (3) 2.2 ppb (2) 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 18.0 μg/m3 (16) 10.5 μg/m3 (44) 44.0
 
May 18, 2019, 2 p.m. 3.3 ppb (3) 0.1 ppb (0) 2.6 ppb (2) 3.0 ppb (3) 2.3 ppb (2) 0.0 ppb (0) 22.0 ppb (17) 0.21 ppb (2) 20.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
May 18, 2019, 1 p.m. 2.9 ppb (3) 0.1 ppb (0) 2.3 ppb (2) 3.0 ppb (3) 2.0 ppb (2) 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 18.0 μg/m3 (16) 10.7 μg/m3 (45) 45.0
 
May 18, 2019, noon 2.8 ppb (3) 0.1 ppb (0) 2.2 ppb (2) 3.0 ppb (3) 2.0 ppb (2) 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) 20.0 μg/m3 (18) 10.7 μg/m3 (45) 45.0
 
May 18, 2019, 11 a.m. 2.3 ppb (2) 0.0 ppb (0) 1.8 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) 19.0 μg/m3 (17) 10.5 μg/m3 (44) 44.0
 
May 18, 2019, 10 a.m. 3.7 ppb (3) 0.0 ppb (0) 2.9 ppb (3) 4.0 ppb (4) 2.9 ppb (3) 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) 20.0 μg/m3 (18) 10.6 μg/m3 (44) 44.0
 
May 18, 2019, 9 a.m. 2.3 ppb (2) 0.0 ppb (0) 1.8 ppb (2) 2.0 ppb (2) 1.8 ppb (2) 0.0 ppb (0) 33.0 ppb (25) 0.19 ppb (2) 17.0 μg/m3 (15) 10.2 μg/m3 (42) 42.0
 
May 18, 2019, 8 a.m. 2.1 ppb (2) 0.0 ppb (0) 1.6 ppb (1) 2.0 ppb (2) 1.6 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.19 ppb (2) 17.0 μg/m3 (15) 10.9 μg/m3 (45) 45.0
 
May 18, 2019, 7 a.m. 2.1 ppb (2) 0.0 ppb (0) 1.7 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) 19.0 μg/m3 (17) 11.4 μg/m3 (48) 48.0
 
May 18, 2019, 6 a.m. 2.1 ppb (2) 0.0 ppb (0) 1.6 ppb (1) 2.0 ppb (2) 1.6 ppb (1) 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) 19.0 μg/m3 (17) 11.5 μg/m3 (48) 48.0
 
May 18, 2019, 5 a.m. 1.9 ppb (2) 0.0 ppb (0) 1.5 ppb (1) 2.0 ppb (2) 1.5 ppb (1) 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) 20.0 μg/m3 (18) 11.2 μg/m3 (47) 47.0
 
May 18, 2019, 4 a.m. 2.2 ppb (2) 0.0 ppb (0) 1.7 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) 19.0 μg/m3 (17) 10.7 μg/m3 (45) 45.0
 
May 18, 2019, 3 a.m. 2.3 ppb (2) 0.0 ppb (0) 1.8 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 37.0 ppb (28) 0.21 ppb (2) 18.0 μg/m3 (16) 9.3 μg/m3 (39) 39.0
 
May 18, 2019, 2 a.m. 2.8 ppb (3) 0.0 ppb (0) 2.2 ppb (2) 3.0 ppb (3) 2.1 ppb (2) 0.0 ppb (0) 38.0 ppb (29) 0.21 ppb (2) 17.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
May 18, 2019, 1 a.m. 3.0 ppb (3) 0.0 ppb (0) 2.4 ppb (2) 3.0 ppb (3) 2.2 ppb (2) 0.0 ppb (0) 41.0 ppb (32) 0.21 ppb (2) 17.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
May 18, 2019, midnight 2.6 ppb (2) 0.0 ppb (0) 2.2 ppb (2) 3.0 ppb (3) 2.0 ppb (2) 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) 19.0 μg/m3 (17) 9.2 μg/m3 (38) 38.0
 
May 17, 2019, 11 p.m. 2.8 ppb (3) 0.0 ppb (0) 2.4 ppb (2) 3.0 ppb (3) 2.0 ppb (2) 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) 20.0 μg/m3 (18) 9.5 μg/m3 (40) 40.0
 
May 17, 2019, 10 p.m. 3.7 ppb (3) 0.1 ppb (0) 3.3 ppb (3) 4.0 ppb (4) 2.8 ppb (3) 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) 26.0 μg/m3 (24) 9.7 μg/m3 (40) 40.0
 
May 17, 2019, 9 p.m. 3.4 ppb (3) 0.1 ppb (0) 2.9 ppb (3) 3.0 ppb (3) 2.5 ppb (2) 0.0 ppb (0) 51.0 ppb (39) 0.2 ppb (2) 31.0 μg/m3 (28) 10.3 μg/m3 (43) 43.0
 
May 17, 2019, 8 p.m. 5.9 ppb (5) 0.2 ppb (0) 5.2 ppb (5) 6.0 ppb (6) 4.3 ppb (4) 0.0 ppb (0) 53.0 ppb (41) 0.2 ppb (2) 36.0 μg/m3 (33) 11.2 μg/m3 (47) 47.0
 
May 17, 2019, 7 p.m. 3.4 ppb (3) 0.0 ppb (0) 3.1 ppb (3) 3.0 ppb (3) 2.6 ppb (2) 0.0 ppb (0) 57.0 ppb (44) 0.2 ppb (2) 38.0 μg/m3 (35) 11.4 μg/m3 (48) 48.0
 
May 17, 2019, 6 p.m. 3.5 ppb (3) 0.1 ppb (0) 3.1 ppb (3) 3.0 ppb (3) 2.6 ppb (2) 0.0 ppb (0) 55.0 ppb (42) 0.2 ppb (2) 38.0 μg/m3 (35) 11.6 μg/m3 (48) 48.0
 
May 17, 2019, 5 p.m. 3.7 ppb (3) 0.1 ppb (0) 3.2 ppb (3) 4.0 ppb (4) 2.7 ppb (3) 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) 33.0 μg/m3 (30) 11.1 μg/m3 (46) 46.0
 
May 17, 2019, 4 p.m. 3.5 ppb (3) 0.1 ppb (0) 2.7 ppb (3) 3.0 ppb (3) 2.3 ppb (2) 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) 46.0 μg/m3 (42) 11.9 μg/m3 (50) 50.0
 
May 17, 2019, 3 p.m. 5.2 ppb (5) 0.2 ppb (0) 4.4 ppb (4) 5.0 ppb (5) 3.7 ppb (3) 0.0 ppb (0) 51.0 ppb (39) 0.21 ppb (2) 35.0 μg/m3 (32) 11.7 μg/m3 (49) 49.0
 
May 17, 2019, 2 p.m. 8.1 ppb (8) 0.5 ppb (0) 6.6 ppb (6) 8.0 ppb (7) 5.3 ppb (5) 0.0 ppb (0) 44.0 ppb (34) 0.22 ppb (2) 34.0 μg/m3 (31) 11.2 μg/m3 (47) 47.0
 
May 17, 2019, 1 p.m. 8.8 ppb (8) 0.6 ppb (1) 7.8 ppb (7) 8.0 ppb (7) 6.3 ppb (6) 0.0 ppb (0) 39.0 ppb (30) 0.23 ppb (3) 28.0 μg/m3 (25) 10.5 μg/m3 (44) 44.0
 
May 17, 2019, noon 7.4 ppb (7) 0.3 ppb (0) 6.6 ppb (6) 7.0 ppb (6) 5.8 ppb (5) 0.0 ppb (0) 37.0 ppb (28) 0.23 ppb (3) 25.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
May 17, 2019, 11 a.m. 5.8 ppb (5) 0.0 ppb (0) 5.2 ppb (5) 6.0 ppb (6) 5.0 ppb (5) 0.0 ppb (0) 39.0 ppb (30) 0.21 ppb (2) 19.0 μg/m3 (17) 9.5 μg/m3 (40) 40.0
 
May 17, 2019, 10 a.m. 4.8 ppb (4) 0.0 ppb (0) 4.1 ppb (4) 5.0 ppb (5) 4.0 ppb (4) 0.0 ppb (0) 40.0 ppb (31) 0.21 ppb (2) 17.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
May 17, 2019, 9 a.m. 4.4 ppb (4) 0.0 ppb (0) 4.0 ppb (4) 4.0 ppb (4) 3.8 ppb (4) 0.0 ppb (0) 44.0 ppb (34) 0.19 ppb (2) 18.0 μg/m3 (16) 8.4 μg/m3 (35) 35.0
 
May 17, 2019, 8 a.m. 7.4 ppb (7) 0.0 ppb (0) 6.3 ppb (6) 7.0 ppb (6) 6.2 ppb (6) 0.0 ppb (0) 43.0 ppb (33) 0.19 ppb (2) 18.0 μg/m3 (16) 8.3 μg/m3 (35) 35.0
 
May 17, 2019, 7 a.m. 4.7 ppb (4) 0.0 ppb (0) 4.4 ppb (4) 5.0 ppb (5) 4.3 ppb (4) 0.0 ppb (0) 48.0 ppb (37) 0.19 ppb (2) 18.0 μg/m3 (16) 8.3 μg/m3 (35) 37.0
 
May 17, 2019, 6 a.m. 4.1 ppb (4) 0.0 ppb (0) 3.5 ppb (3) 4.0 ppb (4) 3.4 ppb (3) 0.0 ppb (0) 51.0 ppb (39) 0.19 ppb (2) 19.0 μg/m3 (17) 8.5 μg/m3 (35) 39.0
 
May 17, 2019, 5 a.m. 6.6 ppb (6) 0.0 ppb (0) 5.7 ppb (5) 7.0 ppb (6) 5.6 ppb (5) 0.0 ppb (0) 51.0 ppb (39) 0.19 ppb (2) 19.0 μg/m3 (17) 8.8 μg/m3 (37) 39.0
 
May 17, 2019, 4 a.m. 11.9 ppb (11) 0.0 ppb (0) 10.7 ppb (10) 12.0 ppb (11) 10.6 ppb (10) 0.0 ppb (0) 49.0 ppb (38) 0.2 ppb (2) 20.0 μg/m3 (18) 9.4 μg/m3 (39) 39.0
 
May 17, 2019, 3 a.m. 12.5 ppb (12) 0.0 ppb (0) 11.3 ppb (10) 13.0 ppb (12) 11.2 ppb (10) 0.0 ppb (0) 53.0 ppb (41) 0.22 ppb (2) 22.0 μg/m3 (20) 9.6 μg/m3 (40) 41.0
 
May 17, 2019, 2 a.m. 4.1 ppb (4) 0.0 ppb (0) 3.5 ppb (3) 4.0 ppb (4) 3.4 ppb (3) 0.0 ppb (0) 61.0 ppb (47) 0.23 ppb (3) 21.0 μg/m3 (19) 9.2 μg/m3 (38) 47.0
 
May 17, 2019, 1 a.m. 8.2 ppb (8) 0.0 ppb (0) 7.4 ppb (7) 8.0 ppb (7) 7.3 ppb (7) 0.0 ppb (0) 55.0 ppb (42) 0.21 ppb (2) 21.0 μg/m3 (19) 8.9 μg/m3 (37) 42.0
 
May 17, 2019, midnight 8.3 ppb (8) 0.0 ppb (0) 7.0 ppb (6) 8.0 ppb (7) 6.6 ppb (6) 0.0 ppb (0) 54.0 ppb (42) 0.21 ppb (2) 21.0 μg/m3 (19) 9.1 μg/m3 (38) 42.0
 
May 16, 2019, 11 p.m. 4.8 ppb (4) 0.0 ppb (0) 4.5 ppb (4) 5.0 ppb (5) 4.0 ppb (4) 0.0 ppb (0) 61.0 ppb (47) 0.21 ppb (2) 27.0 μg/m3 (25) 9.2 μg/m3 (38) 47.0
 
May 16, 2019, 10 p.m. 3.0 ppb (3) 0.0 ppb (0) 2.8 ppb (3) 3.0 ppb (3) 2.5 ppb (2) 0.0 ppb (0) 63.0 ppb (48) 0.2 ppb (2) 28.0 μg/m3 (25) 9.8 μg/m3 (41) 48.0
 
May 16, 2019, 9 p.m. 4.6 ppb (4) 0.1 ppb (0) 4.0 ppb (4) 4.0 ppb (4) 3.4 ppb (3) 0.0 ppb (0) 57.0 ppb (44) 0.2 ppb (2) 34.0 μg/m3 (31) 9.4 μg/m3 (39) 44.0
 
May 16, 2019, 8 p.m. 3.6 ppb (3) 0.0 ppb (0) 3.2 ppb (3) 4.0 ppb (4) 2.7 ppb (3) 0.0 ppb (0) 57.0 ppb (44) 0.2 ppb (2) 34.0 μg/m3 (31) 9.5 μg/m3 (40) 44.0
 
May 16, 2019, 7 p.m. 3.4 ppb (3) 0.0 ppb (0) 3.0 ppb (3) 3.0 ppb (3) 2.6 ppb (2) 0.0 ppb (0) 57.0 ppb (44) 0.2 ppb (2) 26.0 μg/m3 (24) 9.2 μg/m3 (38) 44.0
 
May 16, 2019, 6 p.m. 3.6 ppb (3) 0.0 ppb (0) 3.2 ppb (3) 4.0 ppb (4) 2.7 ppb (3) 0.0 ppb (0) 57.0 ppb (44) 0.2 ppb (2) 23.0 μg/m3 (21) 9.1 μg/m3 (38) 44.0
 
May 16, 2019, 5 p.m. 3.4 ppb (3) 0.0 ppb (0) 2.9 ppb (3) 3.0 ppb (3) 2.4 ppb (2) 0.0 ppb (0) 57.0 ppb (44) 0.2 ppb (2) 23.0 μg/m3 (21) 9.2 μg/m3 (38) 44.0
 
May 16, 2019, 4 p.m. 3.4 ppb (3) 0.1 ppb (0) 2.8 ppb (3) 3.0 ppb (3) 2.4 ppb (2) 0.0 ppb (0) 55.0 ppb (42) 0.2 ppb (2) 26.0 μg/m3 (24) 10.0 μg/m3 (42) 42.0
 
May 16, 2019, 3 p.m. 3.0 ppb (3) 0.1 ppb (0) 2.3 ppb (2) 3.0 ppb (3) 2.0 ppb (2) 1.0 ppb (1) 52.0 ppb (40) 0.2 ppb (2) 20.0 μg/m3 (18) 9.4 μg/m3 (39) 40.0
 
May 16, 2019, 2 p.m. 4.0 ppb (4) 0.1 ppb (0) 3.1 ppb (3) 4.0 ppb (4) 2.6 ppb (2) 1.0 ppb (1) 48.0 ppb (37) 0.21 ppb (2) 18.0 μg/m3 (16) 8.5 μg/m3 (35) 37.0
 
May 16, 2019, 1 p.m. 11.6 ppb (11) 0.8 ppb (1) 9.2 ppb (9) 11.0 ppb (10) 7.5 ppb (7) 1.0 ppb (1) 41.0 ppb (32) 0.26 ppb (3) 23.0 μg/m3 (21) 9.4 μg/m3 (39) 39.0
 
May 16, 2019, noon 16.4 ppb (15) 0.8 ppb (1) 14.8 ppb (14) 16.0 ppb (15) 12.9 ppb (12) 1.0 ppb (1) 34.0 ppb (26) 0.3 ppb (3) 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
May 16, 2019, 11 a.m. 15.7 ppb (15) 0.2 ppb (0) 14.0 ppb (13) 16.0 ppb (15) 13.6 ppb (13) 0.0 ppb (0) 33.0 ppb (25) 0.28 ppb (3) 19.0 μg/m3 (17) 10.6 μg/m3 (44) 44.0
 
May 16, 2019, 10 a.m. 10.7 ppb (10) 0.0 ppb (0) 9.7 ppb (9) 11.0 ppb (10) 9.5 ppb (9) 0.0 ppb (0) 40.0 ppb (31) 0.24 ppb (3) 19.0 μg/m3 (17) 10.7 μg/m3 (45) 45.0
 
May 16, 2019, 9 a.m. 9.2 ppb (9) 0.1 ppb (0) 8.1 ppb (8) 9.0 ppb (8) 7.9 ppb (7) 0.0 ppb (0) 43.0 ppb (33) 0.24 ppb (3) 19.0 μg/m3 (17) 10.5 μg/m3 (44) 44.0
 
May 16, 2019, 8 a.m. 9.3 ppb (9) 0.1 ppb (0) 8.1 ppb (8) 9.0 ppb (8) 7.9 ppb (7) 0.0 ppb (0) 42.0 ppb (32) 0.25 ppb (3) 20.0 μg/m3 (18) 10.7 μg/m3 (45) 45.0
 
May 16, 2019, 7 a.m. 18.0 ppb (17) 0.1 ppb (0) 14.9 ppb (14) 18.0 ppb (17) 14.7 ppb (14) 0.0 ppb (0) 37.0 ppb (28) 0.24 ppb (3) 20.0 μg/m3 (18) 10.5 μg/m3 (44) 44.0
 
May 16, 2019, 6 a.m. 19.0 ppb (18) 0.1 ppb (0) 17.4 ppb (16) 19.0 ppb (18) 17.2 ppb (16) 1.0 ppb (1) 36.0 ppb (28) 0.24 ppb (3) 18.0 μg/m3 (16) 9.4 μg/m3 (39) 39.0
 
May 16, 2019, 5 a.m. 7.7 ppb (7) 0.0 ppb (0) 7.2 ppb (7) 8.0 ppb (7) 7.0 ppb (6) 0.0 ppb (0) 45.0 ppb (35) 0.23 ppb (3) 18.0 μg/m3 (16) 8.1 μg/m3 (34) 35.0
 
May 16, 2019, 4 a.m. 12.1 ppb (11) 0.0 ppb (0) 9.5 ppb (9) 12.0 ppb (11) 9.2 ppb (9) 0.0 ppb (0) 40.0 ppb (31) 0.22 ppb (2) 19.0 μg/m3 (17) 7.5 μg/m3 (31) 31.0
 
May 16, 2019, 3 a.m. 13.0 ppb (12) 0.0 ppb (0) 11.9 ppb (11) 13.0 ppb (12) 11.7 ppb (11) 0.0 ppb (0) 38.0 ppb (29) 0.23 ppb (3) 19.0 μg/m3 (17) 7.3 μg/m3 (30) 30.0
 
May 16, 2019, 2 a.m. 10.6 ppb (10) 0.0 ppb (0) 9.8 ppb (9) 11.0 ppb (10) 9.6 ppb (9) 0.0 ppb (0) 39.0 ppb (30) 0.24 ppb (3) 21.0 μg/m3 (19) 7.0 μg/m3 (29) 30.0
 
May 16, 2019, 1 a.m. 5.1 ppb (5) 0.0 ppb (0) 4.6 ppb (4) 5.0 ppb (5) 4.4 ppb (4) 0.0 ppb (0) 50.0 ppb (38) 0.2 ppb (2) 17.0 μg/m3 (15) 6.5 μg/m3 (27) 38.0
 
May 16, 2019, midnight 3.5 ppb (3) 0.0 ppb (0) 3.0 ppb (3) 4.0 ppb (4) 2.7 ppb (3) 1.0 ppb (1) 56.0 ppb (43) 0.19 ppb (2) 16.0 μg/m3 (15) 6.2 μg/m3 (26) 43.0
 
May 15, 2019, 11 p.m. 3.6 ppb (3) 0.0 ppb (0) 3.1 ppb (3) 4.0 ppb (4) 2.7 ppb (3) 1.0 ppb (1) 59.0 ppb (45) 0.19 ppb (2) 16.0 μg/m3 (15) 6.1 μg/m3 (25) 45.0
 
May 15, 2019, 10 p.m. 3.4 ppb (3) 0.0 ppb (0) 3.1 ppb (3) 3.0 ppb (3) 2.6 ppb (2) 0.0 ppb (0) 61.0 ppb (47) 0.18 ppb (2) 17.0 μg/m3 (15) 6.2 μg/m3 (26) 47.0
 
May 15, 2019, 9 p.m. 3.3 ppb (3) 0.0 ppb (0) 2.9 ppb (3) 3.0 ppb (3) 2.5 ppb (2) 0.0 ppb (0) 63.0 ppb (48) 0.19 ppb (2) 17.0 μg/m3 (15) 6.3 μg/m3 (26) 48.0
 
May 15, 2019, 8 p.m. 3.2 ppb (3) 0.0 ppb (0) 2.9 ppb (3) 3.0 ppb (3) 2.5 ppb (2) 0.0 ppb (0) 64.0 ppb (49) 0.19 ppb (2) 18.0 μg/m3 (16) 6.4 μg/m3 (27) 49.0
 
May 15, 2019, 7 p.m. 3.1 ppb (3) 0.0 ppb (0) 2.8 ppb (3) 3.0 ppb (3) 2.4 ppb (2) 0.0 ppb (0) 63.0 ppb (48) 0.19 ppb (2) 15.0 μg/m3 (14) 6.1 μg/m3 (25) 48.0
 
May 15, 2019, 6 p.m. 2.3 ppb (2) 0.0 ppb (0) 1.9 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 59.0 ppb (45) 0.18 ppb (2) 14.0 μg/m3 (13) 5.7 μg/m3 (24) 45.0
 
May 15, 2019, 5 p.m. 2.5 ppb (2) 0.0 ppb (0) 2.1 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 56.0 ppb (43) 0.19 ppb (2) 14.0 μg/m3 (13) 5.7 μg/m3 (24) 43.0
 
May 15, 2019, 4 p.m. 2.5 ppb (2) 0.0 ppb (0) 1.9 ppb (2) 2.0 ppb (2) 1.6 ppb (1) 0.0 ppb (0) 54.0 ppb (42) 0.18 ppb (2) 14.0 μg/m3 (13) 5.7 μg/m3 (24) 42.0
 
May 15, 2019, 3 p.m. 3.1 ppb (3) 0.1 ppb (0) 2.4 ppb (2) 3.0 ppb (3) 2.0 ppb (2) 0.0 ppb (0) 50.0 ppb (38) 0.19 ppb (2) 15.0 μg/m3 (14) 6.2 μg/m3 (26) 38.0
 
May 15, 2019, 2 p.m. 4.0 ppb (4) 0.2 ppb (0) 3.2 ppb (3) 4.0 ppb (4) 2.6 ppb (2) 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) 18.0 μg/m3 (16) 6.8 μg/m3 (28) 35.0
 
May 15, 2019, 1 p.m. 5.5 ppb (5) 0.2 ppb (0) 4.5 ppb (4) 5.0 ppb (5) 3.7 ppb (3) 0.0 ppb (0) 43.0 ppb (33) 0.22 ppb (2) 17.0 μg/m3 (15) 7.6 μg/m3 (32) 33.0
 
May 15, 2019, noon 5.8 ppb (5) 0.1 ppb (0) 5.0 ppb (5) 6.0 ppb (6) 4.4 ppb (4) 0.0 ppb (0) 41.0 ppb (32) 0.24 ppb (3) 16.0 μg/m3 (15) 8.5 μg/m3 (35) 35.0
 
May 15, 2019, 11 a.m. 6.1 ppb (6) 0.0 ppb (0) 5.3 ppb (5) 6.0 ppb (6) 5.0 ppb (5) 0.0 ppb (0) 44.0 ppb (34) 0.24 ppb (3) 17.0 μg/m3 (15) 9.1 μg/m3 (38) 38.0
 
May 15, 2019, 10 a.m. 4.4 ppb (4) 0.0 ppb (0) 3.9 ppb (4) 4.0 ppb (4) 3.6 ppb (3) 0.0 ppb (0) 50.0 ppb (38) 0.23 ppb (3) 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
May 15, 2019, 9 a.m. 3.1 ppb (3) 0.0 ppb (0) 2.9 ppb (3) 3.0 ppb (3) 2.7 ppb (3) 0.0 ppb (0) 58.0 ppb (45) 0.23 ppb (3) 16.0 μg/m3 (15) 9.2 μg/m3 (38) 45.0
 
May 15, 2019, 8 a.m. 2.8 ppb (3) 0.0 ppb (0) 2.5 ppb (2) 3.0 ppb (3) 2.3 ppb (2) 0.0 ppb (0) 64.0 ppb (49) 0.23 ppb (3) 17.0 μg/m3 (15) 9.0 μg/m3 (38) 49.0
 
May 15, 2019, 7 a.m. 4.7 ppb (4) 0.0 ppb (0) 3.8 ppb (4) 5.0 ppb (5) 3.6 ppb (3) 0.0 ppb (0) 63.0 ppb (48) 0.23 ppb (3) 18.0 μg/m3 (16) 9.0 μg/m3 (38) 48.0
 
May 15, 2019, 6 a.m. 16.6 ppb (15) 0.0 ppb (0) 14.7 ppb (14) 17.0 ppb (16) 14.4 ppb (13) 1.0 ppb (1) 47.0 ppb (36) 0.24 ppb (3) 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
May 15, 2019, 5 a.m. 14.8 ppb (14) 0.0 ppb (0) 13.5 ppb (12) 15.0 ppb (14) 13.3 ppb (12) 1.0 ppb (1) 49.0 ppb (38) 0.23 ppb (3) 18.0 μg/m3 (16) 8.3 μg/m3 (35) 38.0
 
May 15, 2019, 4 a.m. 10.2 ppb (9) 0.0 ppb (0) 9.6 ppb (9) 10.0 ppb (9) 9.3 ppb (9) 0.0 ppb (0) 49.0 ppb (38) 0.22 ppb (2) 16.0 μg/m3 (15) 7.4 μg/m3 (31) 38.0
 
May 15, 2019, 3 a.m. 10.0 ppb (9) 0.1 ppb (0) 7.7 ppb (7) 10.0 ppb (9) 7.4 ppb (7) 0.0 ppb (0) 44.0 ppb (34) 0.25 ppb (3) 19.0 μg/m3 (17) 7.8 μg/m3 (32) 34.0
 
May 15, 2019, 2 a.m. 15.5 ppb (14) 0.1 ppb (0) 12.5 ppb (12) 15.0 ppb (14) 12.3 ppb (11) 0.0 ppb (0) 32.0 ppb (25) 0.31 ppb (3) 17.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
May 15, 2019, 1 a.m. 11.6 ppb (11) 0.0 ppb (0) 12.0 ppb (11) 12.0 ppb (11) 11.8 ppb (11) 1.0 ppb (1) 43.0 ppb (33) 0.22 ppb (2) 15.0 μg/m3 (14) 6.4 μg/m3 (27) 33.0
 
May 15, 2019, midnight 2.6 ppb (2) 0.0 ppb (0) 2.4 ppb (2) 3.0 ppb (3) 2.2 ppb (2) 0.0 ppb (0) 58.0 ppb (45) 0.19 ppb (2) 14.0 μg/m3 (13) 5.9 μg/m3 (25) 45.0
 
May 14, 2019, 11 p.m. 2.1 ppb (2) 0.0 ppb (0) 1.9 ppb (2) 2.0 ppb (2) 1.6 ppb (1) 0.0 ppb (0) 60.0 ppb (46) 0.19 ppb (2) 14.0 μg/m3 (13) 5.7 μg/m3 (24) 46.0
 
May 14, 2019, 10 p.m. 2.7 ppb (3) 0.0 ppb (0) 2.2 ppb (2) 3.0 ppb (3) 1.9 ppb (2) 0.0 ppb (0) 61.0 ppb (47) 0.19 ppb (2) 15.0 μg/m3 (14) 5.5 μg/m3 (23) 47.0
 
May 14, 2019, 9 p.m. 2.2 ppb (2) 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 61.0 ppb (47) 0.18 ppb (2) 15.0 μg/m3 (14) 5.8 μg/m3 (24) 47.0
 
May 14, 2019, 8 p.m. 3.2 ppb (3) 0.0 ppb (0) 2.7 ppb (3) 3.0 ppb (3) 2.3 ppb (2) 0.0 ppb (0) 60.0 ppb (46) 0.18 ppb (2) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 46.0
 
May 14, 2019, 7 p.m. 2.8 ppb (3) 0.0 ppb (0) 2.4 ppb (2) 3.0 ppb (3) 2.0 ppb (2) 0.0 ppb (0) 56.0 ppb (43) 0.19 ppb (2) 15.0 μg/m3 (14) 5.5 μg/m3 (23) 43.0
 
May 14, 2019, 6 p.m. 4.3 ppb (4) 0.1 ppb (0) 3.6 ppb (3) 4.0 ppb (4) 3.0 ppb (3) 0.0 ppb (0) 54.0 ppb (42) 0.19 ppb (2) 14.0 μg/m3 (13) 5.5 μg/m3 (23) 42.0
 
May 14, 2019, 5 p.m. 6.1 ppb (6) 0.2 ppb (0) 5.1 ppb (5) 6.0 ppb (6) 4.2 ppb (4) 0.0 ppb (0) 53.0 ppb (41) 0.21 ppb (2) 16.0 μg/m3 (15) 5.8 μg/m3 (24) 41.0
 
May 14, 2019, 4 p.m. 7.2 ppb (7) 0.3 ppb (0) 6.2 ppb (6) 7.0 ppb (6) 5.0 ppb (5) 0.0 ppb (0) 51.0 ppb (39) 0.21 ppb (2) 16.0 μg/m3 (15) 6.1 μg/m3 (25) 39.0
 
May 14, 2019, 3 p.m. 10.7 ppb (10) 0.9 ppb (1) 9.1 ppb (8) 10.0 ppb (9) 7.0 ppb (6) 0.0 ppb (0) 40.0 ppb (31) 0.24 ppb (3) 17.0 μg/m3 (15) 6.2 μg/m3 (26) 31.0
 
May 14, 2019, 2 p.m. 19.4 ppb (18) 2.1 ppb (2) 15.9 ppb (15) 17.0 ppb (16) 13.2 ppb (12) 0.0 ppb (0) 27.0 ppb (21) 0.29 ppb (3) 17.0 μg/m3 (15) 6.6 μg/m3 (28) 28.0
 
May 14, 2019, 1 p.m. 22.8 ppb (21) 2.9 ppb (3) 21.9 ppb (20) 20.0 ppb (19) 17.9 ppb (17) 0.0 ppb (0) 14.0 ppb (11) 0.37 ppb (4) 16.0 μg/m3 (15) 6.7 μg/m3 (28) 28.0
 
May 14, 2019, noon 21.4 ppb (20) 1.5 ppb (1) 20.2 ppb (19) 20.0 ppb (19) 18.1 ppb (17) 0.0 ppb (0) 14.0 ppb (11) 0.34 ppb (4) 15.0 μg/m3 (14) 7.3 μg/m3 (30) 30.0
 
May 14, 2019, 11 a.m. 8.9 ppb (8) 0.3 ppb (0) 8.8 ppb (8) 9.0 ppb (8) 8.1 ppb (8) 0.0 ppb (0) 30.0 ppb (23) 0.25 ppb (3) 13.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
May 14, 2019, 10 a.m. 6.2 ppb (6) 0.4 ppb (0) 4.9 ppb (5) 6.0 ppb (6) 4.3 ppb (4) 0.0 ppb (0) 24.0 ppb (18) 0.25 ppb (3) 13.0 μg/m3 (12) 7.2 μg/m3 (30) 30.0
 
May 14, 2019, 9 a.m. 8.9 ppb (8) 1.0 ppb (1) 8.4 ppb (8) 8.0 ppb (7) 7.6 ppb (7) 0.0 ppb (0) 3.0 ppb (2) 0.31 ppb (3) 15.0 μg/m3 (14) 8.2 μg/m3 (34) 34.0
 
May 14, 2019, 8 a.m. 9.6 ppb (9) 0.2 ppb (0) 9.0 ppb (8) 9.0 ppb (8) 8.6 ppb (8) 0.0 ppb (0) 8.0 ppb (6) 0.32 ppb (4) 15.0 μg/m3 (14) 8.1 μg/m3 (34) 34.0
 
May 14, 2019, 7 a.m. 8.7 ppb (8) 0.4 ppb (0) 8.1 ppb (8) 8.0 ppb (7) 7.5 ppb (7) 0.0 ppb (0) 4.0 ppb (3) 0.32 ppb (4) 19.0 μg/m3 (17) 8.7 μg/m3 (36) 36.0
 
May 14, 2019, 6 a.m. 10.9 ppb (10) 1.1 ppb (1) 10.2 ppb (9) 10.0 ppb (9) 9.1 ppb (8) 0.0 ppb (0) 1.0 ppb (1) 0.37 ppb (4) 17.0 μg/m3 (15) 8.2 μg/m3 (34) 34.0
 
May 14, 2019, 5 a.m. 14.9 ppb (14) 2.2 ppb (2) 14.0 ppb (13) 13.0 ppb (12) 11.7 ppb (11) 0.0 ppb (0) 4.0 ppb (3) 0.38 ppb (4) 19.0 μg/m3 (17) 8.4 μg/m3 (35) 35.0
 
May 14, 2019, 4 a.m. 16.1 ppb (15) 2.0 ppb (2) 15.5 ppb (14) 14.0 ppb (13) 12.9 ppb (12) 0.0 ppb (0) 6.0 ppb (5) 0.39 ppb (4) 22.0 μg/m3 (20) 8.5 μg/m3 (35) 35.0
 
May 14, 2019, 3 a.m. 21.1 ppb (20) 1.3 ppb (1) 19.9 ppb (18) 20.0 ppb (19) 17.8 ppb (16) 0.0 ppb (0) 7.0 ppb (5) 0.47 ppb (5) 19.0 μg/m3 (17) 7.9 μg/m3 (33) 33.0