AQSQID: 060371201

Site Name: Reseda

Location: LA, CA

Reporting: True, Located: True

Current AQI: 40.0

LA CA, US: 34.1992, -118.5331

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2019, 6 a.m. 18.0 ppb (17) 1.0 ppb (1) N/A 17.0 ppb (16) N/A N/A 19.0 ppb (15) 0.46 ppb (5) N/A 7.9 μg/m3 (33) 33.0
 
Sept. 21, 2019, 5 a.m. 12.0 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (10) N/A N/A 31.0 ppb (24) 0.31 ppb (3) N/A 9.5 μg/m3 (40) 40.0
 
Sept. 21, 2019, 4 a.m. 7.6 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 38.0 ppb (29) 0.25 ppb (3) N/A 11.1 μg/m3 (46) 46.0
 
Sept. 21, 2019, 3 a.m. 5.6 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) 0.21 ppb (2) N/A 11.1 μg/m3 (46) 46.0
 
Sept. 21, 2019, 2 a.m. 5.2 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (35) 0.2 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 21, 2019, 1 a.m. 5.6 ppb (5) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 50.0 ppb (38) 0.23 ppb (3) N/A 8.4 μg/m3 (35) 38.0
 
Sept. 21, 2019, midnight 5.4 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 55.0 ppb (42) 0.21 ppb (2) N/A 10.7 μg/m3 (45) 45.0
 
Sept. 20, 2019, 11 p.m. 4.6 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (46) 0.18 ppb (2) N/A 12.4 μg/m3 (51) 51.0
 
Sept. 20, 2019, 10 p.m. 4.9 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 66.0 ppb (51) 0.21 ppb (2) N/A 17.4 μg/m3 (61) 61.0
 
Sept. 20, 2019, 9 p.m. 6.2 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 65.0 ppb (50) 0.25 ppb (3) N/A 12.4 μg/m3 (51) 51.0
 
Sept. 20, 2019, 8 p.m. 6.7 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 60.0 ppb (46) 0.24 ppb (3) N/A 14.4 μg/m3 (55) 55.0
 
Sept. 20, 2019, 7 p.m. 7.6 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 52.0 ppb (40) 0.24 ppb (3) N/A 12.9 μg/m3 (52) 52.0
 
Sept. 20, 2019, 6 p.m. 9.3 ppb (9) 2.8 ppb (3) N/A 7.0 ppb (6) N/A N/A 43.0 ppb (33) 0.24 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 20, 2019, 5 p.m. 10.5 ppb (10) 3.4 ppb (3) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) 0.24 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 20, 2019, 4 p.m. 11.6 ppb (11) 3.9 ppb (4) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) 0.25 ppb (3) N/A 9.5 μg/m3 (40) 40.0
 
Sept. 19, 2019, 4 p.m. 13.7 ppb (13) 3.6 ppb (3) N/A 10.0 ppb (9) N/A N/A 26.0 ppb (20) 0.25 ppb (3) N/A 10.1 μg/m3 (42) 42.0
 
Sept. 19, 2019, 3 p.m. 12.9 ppb (12) 2.7 ppb (3) N/A 10.0 ppb (9) N/A N/A 23.0 ppb (18) 0.27 ppb (3) N/A 8.9 μg/m3 (37) 37.0
 
Sept. 19, 2019, 2 p.m. 14.3 ppb (13) 2.5 ppb (2) N/A 12.0 ppb (11) N/A N/A 19.0 ppb (15) 0.27 ppb (3) N/A 7.9 μg/m3 (33) 33.0
 
Sept. 19, 2019, 1 p.m. 12.4 ppb (11) 1.5 ppb (1) N/A 11.0 ppb (10) N/A N/A 18.0 ppb (14) 0.24 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
Sept. 19, 2019, noon 11.7 ppb (11) 1.1 ppb (1) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) 0.24 ppb (3) N/A 13.3 μg/m3 (53) 53.0
 
Sept. 19, 2019, 11 a.m. 10.5 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) 0.22 ppb (2) N/A 13.2 μg/m3 (53) 53.0
 
Sept. 19, 2019, 10 a.m. 7.1 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.18 ppb (2) N/A 10.3 μg/m3 (43) 43.0
 
Sept. 19, 2019, 9 a.m. 4.4 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A 8.4 μg/m3 (35) 35.0
 
Sept. 19, 2019, 8 a.m. 8.5 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) 0.28 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
Sept. 19, 2019, 7 a.m. 16.0 ppb (15) 1.5 ppb (1) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 0.38 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
Sept. 19, 2019, 6 a.m. 13.7 ppb (13) 0.9 ppb (1) N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) 0.34 ppb (4) N/A 6.4 μg/m3 (27) 27.0
 
Sept. 19, 2019, 5 a.m. 7.7 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 37.0 ppb (28) 0.25 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
Sept. 19, 2019, 4 a.m. 8.0 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 39.0 ppb (30) 0.26 ppb (3) N/A 5.6 μg/m3 (23) 30.0
 
Sept. 19, 2019, 3 a.m. 5.1 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) 0.21 ppb (2) N/A 7.1 μg/m3 (30) 35.0
 
Sept. 19, 2019, 2 a.m. 5.2 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) 0.21 ppb (2) N/A 8.8 μg/m3 (37) 37.0
 
Sept. 19, 2019, 1 a.m. 4.6 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) 0.2 ppb (2) N/A 8.1 μg/m3 (34) 37.0
 
Sept. 19, 2019, midnight 3.9 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (39) 0.18 ppb (2) N/A 7.1 μg/m3 (30) 39.0
 
Sept. 18, 2019, 11 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) 0.15 ppb (2) N/A 6.6 μg/m3 (28) 41.0
 
Sept. 18, 2019, 10 p.m. 3.3 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) 0.15 ppb (2) N/A 7.6 μg/m3 (32) 42.0
 
Sept. 18, 2019, 9 p.m. 4.9 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 63.0 ppb (48) 0.21 ppb (2) N/A 6.9 μg/m3 (29) 48.0
 
Sept. 18, 2019, 8 p.m. 8.4 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A N/A 59.0 ppb (45) 0.26 ppb (3) N/A 8.8 μg/m3 (37) 45.0
 
Sept. 18, 2019, 7 p.m. 10.4 ppb (10) 2.3 ppb (2) N/A 8.0 ppb (7) N/A N/A 53.0 ppb (41) 0.28 ppb (3) N/A 11.9 μg/m3 (50) 50.0
 
Sept. 18, 2019, 6 p.m. 13.7 ppb (13) 3.5 ppb (3) N/A 10.0 ppb (9) N/A N/A 46.0 ppb (35) 0.32 ppb (4) N/A 9.8 μg/m3 (41) 41.0
 
Sept. 18, 2019, 5 p.m. 12.9 ppb (12) 3.5 ppb (3) N/A 9.0 ppb (8) N/A N/A 41.0 ppb (32) 0.29 ppb (3) N/A 7.4 μg/m3 (31) 32.0
 
Sept. 18, 2019, 4 p.m. 22.4 ppb (21) 7.3 ppb (7) N/A 15.0 ppb (14) N/A N/A 28.0 ppb (22) 0.39 ppb (4) N/A 17.4 μg/m3 (61) 61.0
 
Sept. 18, 2019, 3 p.m. 35.7 ppb (33) 14.6 ppb (14) N/A 21.0 ppb (19) N/A N/A 17.0 ppb (13) 0.56 ppb (6) N/A 13.5 μg/m3 (53) 53.0
 
Sept. 18, 2019, 2 p.m. 48.2 ppb (45) 25.5 ppb (24) N/A 23.0 ppb (21) N/A N/A 7.0 ppb (5) 0.73 ppb (8) N/A 11.7 μg/m3 (49) 49.0
 
Sept. 18, 2019, 1 p.m. 44.5 ppb (41) 21.6 ppb (20) N/A 23.0 ppb (21) N/A N/A 4.0 ppb (3) 0.63 ppb (7) N/A 6.9 μg/m3 (29) 41.0
 
Sept. 18, 2019, noon 26.1 ppb (24) 7.7 ppb (7) N/A 18.0 ppb (17) N/A N/A 6.0 ppb (5) 0.43 ppb (5) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 18, 2019, 11 a.m. 15.5 ppb (14) 1.3 ppb (1) N/A 14.0 ppb (13) N/A N/A 11.0 ppb (8) 0.34 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
Sept. 18, 2019, 10 a.m. 17.5 ppb (16) 1.5 ppb (1) N/A 16.0 ppb (15) N/A N/A 10.0 ppb (8) 0.41 ppb (5) N/A 5.6 μg/m3 (23) 23.0
 
Sept. 18, 2019, 9 a.m. 14.4 ppb (13) 1.3 ppb (1) N/A 13.0 ppb (12) N/A N/A 16.0 ppb (12) 0.37 ppb (4) N/A 8.4 μg/m3 (35) 35.0
 
Sept. 18, 2019, 8 a.m. 13.6 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (12) N/A N/A 20.0 ppb (15) 0.34 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2019, 7 a.m. 10.4 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) 0.31 ppb (3) N/A 9.3 μg/m3 (39) 39.0
 
Sept. 18, 2019, 6 a.m. 7.3 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) 0.25 ppb (3) N/A 7.8 μg/m3 (32) 32.0
 
Sept. 18, 2019, 5 a.m. 8.1 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) 0.26 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
Sept. 18, 2019, 4 a.m. 5.3 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) 0.21 ppb (2) N/A 7.1 μg/m3 (30) 32.0
 
Sept. 18, 2019, 3 a.m. 4.3 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) 0.19 ppb (2) N/A 6.6 μg/m3 (28) 33.0
 
Sept. 18, 2019, 2 a.m. 6.1 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (33) 0.21 ppb (2) N/A 4.9 μg/m3 (20) 33.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (28) 28.0
 
Sept. 18, 2019, midnight 4.1 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 57.0 ppb (44) 0.18 ppb (2) N/A 11.7 μg/m3 (49) 49.0
 
Sept. 17, 2019, 11 p.m. 3.6 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (47) 0.19 ppb (2) N/A 12.2 μg/m3 (50) 50.0
 
Sept. 17, 2019, 10 p.m. 5.9 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 69.0 ppb (53) 0.24 ppb (3) N/A 11.7 μg/m3 (49) 53.0
 
Sept. 17, 2019, 9 p.m. 6.3 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 66.0 ppb (51) 0.24 ppb (3) N/A 7.9 μg/m3 (33) 51.0
 
Sept. 17, 2019, 8 p.m. 4.3 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 53.0 ppb (41) 0.19 ppb (2) N/A N/A 41.0
 
Sept. 17, 2019, 7 p.m. 7.0 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 55.0 ppb (42) 0.24 ppb (3) N/A N/A 42.0
 
Sept. 17, 2019, 6 p.m. 5.3 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (39) 0.21 ppb (2) N/A N/A 39.0
 
Sept. 17, 2019, 5 p.m. 11.2 ppb (10) 3.1 ppb (3) N/A 8.0 ppb (7) N/A N/A 43.0 ppb (33) 0.26 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
Sept. 17, 2019, 4 p.m. 20.8 ppb (19) 6.7 ppb (6) N/A 14.0 ppb (13) N/A N/A 32.0 ppb (25) 0.37 ppb (4) N/A 13.9 μg/m3 (54) 54.0
 
Sept. 17, 2019, 3 p.m. 41.3 ppb (38) 18.5 ppb (17) N/A 23.0 ppb (21) N/A N/A 15.0 ppb (12) 0.63 ppb (7) N/A 12.7 μg/m3 (51) 51.0
 
Sept. 17, 2019, 2 p.m. 47.4 ppb (44) 26.4 ppb (24) N/A 21.0 ppb (19) N/A N/A 7.0 ppb (5) 0.74 ppb (8) N/A 11.5 μg/m3 (48) 48.0
 
Sept. 17, 2019, 1 p.m. 35.0 ppb (32) 16.0 ppb (15) N/A 19.0 ppb (18) N/A N/A 4.0 ppb (3) 0.67 ppb (7) N/A 12.2 μg/m3 (50) 50.0
 
Sept. 17, 2019, noon 20.6 ppb (19) 3.5 ppb (3) N/A 17.0 ppb (16) N/A N/A 8.0 ppb (6) 0.42 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 17, 2019, 11 a.m. 19.0 ppb (18) 1.8 ppb (2) N/A 17.0 ppb (16) N/A N/A 10.0 ppb (8) 0.35 ppb (4) N/A 17.7 μg/m3 (62) 62.0
 
Sept. 17, 2019, 10 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) 0.29 ppb (3) N/A 8.9 μg/m3 (37) 37.0
 
Sept. 17, 2019, 9 a.m. 9.0 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) 0.26 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
Sept. 17, 2019, 8 a.m. 7.6 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.26 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2019, 7 a.m. 8.7 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A 26.0 ppb (20) 0.28 ppb (3) N/A 10.7 μg/m3 (45) 45.0
 
Sept. 17, 2019, 6 a.m. 12.7 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A 25.0 ppb (19) 0.34 ppb (4) N/A 9.3 μg/m3 (39) 39.0
 
Sept. 17, 2019, 5 a.m. 11.0 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 33.0 ppb (25) 0.3 ppb (3) N/A 9.7 μg/m3 (40) 40.0
 
Sept. 17, 2019, 4 a.m. 10.7 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 36.0 ppb (28) 0.28 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
Sept. 17, 2019, 3 a.m. 6.8 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (32) 0.23 ppb (3) N/A 10.7 μg/m3 (45) 45.0
 
Sept. 17, 2019, 2 a.m. 5.4 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) 0.19 ppb (2) N/A 6.8 μg/m3 (28) 32.0
 
Sept. 17, 2019, 1 a.m. 5.5 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (35) 0.19 ppb (2) N/A 2.4 μg/m3 (10) 35.0
 
Sept. 17, 2019, midnight 3.0 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) 0.16 ppb (2) N/A 4.9 μg/m3 (20) 38.0
 
Sept. 16, 2019, 11 p.m. 2.5 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) 0.15 ppb (2) N/A 9.5 μg/m3 (40) 40.0
 
Sept. 16, 2019, 10 p.m. 3.3 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) 0.15 ppb (2) N/A 11.2 μg/m3 (47) 47.0
 
Sept. 16, 2019, 9 p.m. 4.0 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 57.0 ppb (44) 0.16 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2019, 8 p.m. 6.4 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 56.0 ppb (43) 0.21 ppb (2) N/A 12.9 μg/m3 (52) 52.0
 
Sept. 16, 2019, 7 p.m. 11.5 ppb (11) 2.8 ppb (3) N/A 9.0 ppb (8) N/A N/A 52.0 ppb (40) 0.28 ppb (3) N/A 13.7 μg/m3 (54) 54.0
 
Sept. 16, 2019, 6 p.m. 9.0 ppb (8) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A 47.0 ppb (36) 0.26 ppb (3) N/A 13.6 μg/m3 (53) 53.0
 
Sept. 16, 2019, 5 p.m. 11.3 ppb (10) 3.2 ppb (3) N/A 8.0 ppb (7) N/A N/A 42.0 ppb (32) 0.29 ppb (3) N/A 15.4 μg/m3 (57) 57.0
 
Sept. 16, 2019, 4 p.m. 18.6 ppb (17) 5.7 ppb (5) N/A 13.0 ppb (12) N/A N/A 33.0 ppb (25) 0.42 ppb (5) N/A 15.9 μg/m3 (58) 58.0
 
Sept. 16, 2019, 3 p.m. 30.7 ppb (28) 10.8 ppb (10) N/A 20.0 ppb (19) N/A N/A 18.0 ppb (14) 0.6 ppb (7) N/A 26.7 μg/m3 (81) 81.0
 
Sept. 16, 2019, 2 p.m. 39.9 ppb (37) 17.3 ppb (16) N/A 23.0 ppb (21) N/A N/A 8.0 ppb (6) 0.7 ppb (8) N/A 21.8 μg/m3 (71) 71.0
 
Sept. 16, 2019, 1 p.m. 31.8 ppb (29) 9.6 ppb (9) N/A 22.0 ppb (20) N/A N/A 5.0 ppb (4) 0.71 ppb (8) N/A 15.2 μg/m3 (57) 57.0
 
Sept. 16, 2019, noon 22.6 ppb (21) 2.6 ppb (2) N/A 20.0 ppb (19) N/A N/A 8.0 ppb (6) 0.52 ppb (6) N/A 19.4 μg/m3 (66) 66.0
 
Sept. 16, 2019, 11 a.m. 17.3 ppb (16) 1.5 ppb (1) N/A 16.0 ppb (15) N/A N/A 14.0 ppb (11) 0.43 ppb (5) N/A 20.4 μg/m3 (68) 68.0
 
Sept. 16, 2019, 10 a.m. 15.4 ppb (14) 1.6 ppb (1) N/A 14.0 ppb (13) N/A N/A 18.0 ppb (14) 0.41 ppb (5) N/A 16.7 μg/m3 (60) 60.0
 
Sept. 16, 2019, 9 a.m. 13.8 ppb (13) 1.1 ppb (1) N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) 0.39 ppb (4) N/A 12.7 μg/m3 (51) 51.0
 
Sept. 16, 2019, 8 a.m. 14.3 ppb (13) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A 24.0 ppb (18) 0.39 ppb (4) N/A 18.7 μg/m3 (64) 64.0
 
Sept. 16, 2019, 7 a.m. 22.2 ppb (21) 1.1 ppb (1) N/A 21.0 ppb (19) N/A N/A 21.0 ppb (16) 0.53 ppb (6) N/A 11.5 μg/m3 (48) 48.0
 
Sept. 16, 2019, 6 a.m. 21.8 ppb (20) 1.2 ppb (1) N/A 21.0 ppb (19) N/A N/A 22.0 ppb (17) 0.5 ppb (6) N/A 19.4 μg/m3 (66) 66.0
 
Sept. 16, 2019, 5 a.m. 16.7 ppb (15) 0.9 ppb (1) N/A 16.0 ppb (15) N/A N/A 34.0 ppb (26) 0.44 ppb (5) N/A 16.7 μg/m3 (60) 60.0
 
Sept. 16, 2019, 4 a.m. 15.8 ppb (15) 1.1 ppb (1) N/A 15.0 ppb (14) N/A N/A 36.0 ppb (28) 0.4 ppb (4) N/A 19.2 μg/m3 (65) 65.0
 
Sept. 16, 2019, 3 a.m. 11.8 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 46.0 ppb (35) 0.34 ppb (4) N/A 19.6 μg/m3 (66) 66.0
 
Sept. 16, 2019, 2 a.m. 7.0 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 58.0 ppb (45) 0.24 ppb (3) N/A 9.5 μg/m3 (40) 45.0
 
Sept. 16, 2019, 1 a.m. 6.1 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 57.0 ppb (44) 0.22 ppb (2) N/A 11.9 μg/m3 (50) 50.0
 
Sept. 16, 2019, midnight 4.6 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 63.0 ppb (48) 0.22 ppb (2) N/A 15.1 μg/m3 (57) 57.0
 
Sept. 15, 2019, 11 p.m. 5.2 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 73.0 ppb (57) 0.24 ppb (3) N/A 16.4 μg/m3 (59) 59.0
 
Sept. 15, 2019, 10 p.m. 5.8 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 85.0 ppb (67) 0.27 ppb (3) N/A 19.1 μg/m3 (65) 67.0
 
Sept. 15, 2019, 9 p.m. 3.5 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 79.0 ppb (62) 0.25 ppb (3) N/A 12.2 μg/m3 (50) 62.0
 
Sept. 15, 2019, 8 p.m. 4.4 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 79.0 ppb (62) 0.28 ppb (3) N/A 11.7 μg/m3 (49) 62.0
 
Sept. 15, 2019, 7 p.m. 6.6 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 76.0 ppb (59) 0.32 ppb (4) N/A 14.4 μg/m3 (55) 59.0
 
Sept. 15, 2019, 6 p.m. 9.2 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 68.0 ppb (52) 0.4 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 15, 2019, 5 p.m. 13.5 ppb (12) 2.7 ppb (3) N/A 11.0 ppb (10) N/A N/A 53.0 ppb (41) 0.45 ppb (5) N/A 13.2 μg/m3 (53) 53.0
 
Sept. 15, 2019, 4 p.m. 22.0 ppb (20) 4.9 ppb (5) N/A 17.0 ppb (16) N/A N/A 34.0 ppb (26) 0.62 ppb (7) N/A 14.2 μg/m3 (55) 55.0
 
Sept. 15, 2019, 3 p.m. 24.3 ppb (23) 6.7 ppb (6) N/A 18.0 ppb (17) N/A N/A 23.0 ppb (18) 0.6 ppb (7) N/A 16.7 μg/m3 (60) 60.0
 
Sept. 15, 2019, 2 p.m. 27.6 ppb (26) 8.3 ppb (8) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (8) 0.69 ppb (8) N/A 18.8 μg/m3 (64) 64.0
 
Sept. 15, 2019, 1 p.m. 23.6 ppb (22) 3.4 ppb (3) N/A 20.0 ppb (19) N/A N/A 7.0 ppb (5) 0.63 ppb (7) N/A 12.3 μg/m3 (51) 51.0
 
Sept. 15, 2019, noon 21.2 ppb (20) 2.0 ppb (2) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (7) 0.54 ppb (6) N/A 10.7 μg/m3 (45) 45.0
 
Sept. 15, 2019, 11 a.m. 25.8 ppb (24) 2.6 ppb (2) N/A 23.0 ppb (21) N/A N/A 8.0 ppb (6) 0.69 ppb (8) N/A 17.2 μg/m3 (61) 61.0
 
Sept. 15, 2019, 10 a.m. 22.2 ppb (21) 1.1 ppb (1) N/A 21.0 ppb (19) N/A N/A 12.0 ppb (9) 0.62 ppb (7) N/A 13.9 μg/m3 (54) 54.0
 
Sept. 15, 2019, 9 a.m. 33.2 ppb (31) 4.4 ppb (4) N/A 29.0 ppb (27) N/A N/A 6.0 ppb (5) 0.82 ppb (9) N/A 14.7 μg/m3 (56) 56.0
 
Sept. 15, 2019, 8 a.m. 31.6 ppb (29) 3.2 ppb (3) N/A 28.0 ppb (26) N/A N/A 9.0 ppb (7) 0.82 ppb (9) N/A 23.4 μg/m3 (74) 74.0
 
Sept. 15, 2019, 7 a.m. 27.6 ppb (26) 1.5 ppb (1) N/A 26.0 ppb (24) N/A N/A 17.0 ppb (13) 0.73 ppb (8) N/A 19.1 μg/m3 (65) 65.0
 
Sept. 15, 2019, 6 a.m. 22.7 ppb (21) 1.5 ppb (1) N/A 21.0 ppb (19) N/A N/A 26.0 ppb (20) 0.61 ppb (7) N/A 12.7 μg/m3 (51) 51.0
 
Sept. 15, 2019, 5 a.m. 35.0 ppb (32) 2.3 ppb (2) N/A 33.0 ppb (31) N/A N/A 15.0 ppb (12) 0.77 ppb (9) N/A 12.4 μg/m3 (51) 51.0
 
Sept. 15, 2019, 4 a.m. 20.6 ppb (19) 1.0 ppb (1) N/A 20.0 ppb (19) N/A N/A 34.0 ppb (26) 0.53 ppb (6) N/A 10.3 μg/m3 (43) 43.0
 
Sept. 15, 2019, 3 a.m. 13.7 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (12) N/A N/A 46.0 ppb (35) 0.41 ppb (5) N/A 8.1 μg/m3 (34) 35.0
 
Sept. 15, 2019, 2 a.m. 4.5 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 64.0 ppb (49) 0.24 ppb (3) N/A 9.5 μg/m3 (40) 49.0
 
Sept. 15, 2019, 1 a.m. 3.6 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 69.0 ppb (53) 0.21 ppb (2) N/A 7.3 μg/m3 (30) 53.0
 
Sept. 15, 2019, midnight 3.5 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 75.0 ppb (58) 0.21 ppb (2) N/A 7.6 μg/m3 (32) 58.0
 
Sept. 14, 2019, 11 p.m. 5.2 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 88.0 ppb (69) 0.26 ppb (3) N/A 10.7 μg/m3 (45) 69.0
 
Sept. 14, 2019, 10 p.m. 6.8 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 108.0 ppb (86) 0.32 ppb (4) N/A 11.7 μg/m3 (49) 86.0
 
Sept. 14, 2019, 9 p.m. 7.6 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 122.0 ppb (98) 0.38 ppb (4) N/A 17.4 μg/m3 (61) 98.0
 
Sept. 14, 2019, 8 p.m. 6.0 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 118.0 ppb (94) 0.35 ppb (4) N/A 11.7 μg/m3 (49) 94.0
 
Sept. 14, 2019, 7 p.m. 4.2 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 94.0 ppb (74) 0.27 ppb (3) N/A 10.8 μg/m3 (45) 74.0
 
Sept. 14, 2019, 6 p.m. 6.8 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 84.0 ppb (66) 0.3 ppb (3) N/A 12.4 μg/m3 (51) 66.0
 
Sept. 14, 2019, 5 p.m. 11.3 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (8) N/A N/A 68.0 ppb (52) 0.36 ppb (4) N/A 14.4 μg/m3 (55) 55.0
 
Sept. 14, 2019, 4 p.m. 23.6 ppb (22) 6.1 ppb (6) N/A 18.0 ppb (17) N/A N/A 42.0 ppb (32) 0.53 ppb (6) N/A 15.4 μg/m3 (57) 57.0
 
Sept. 14, 2019, 3 p.m. 31.1 ppb (29) 9.5 ppb (9) N/A 22.0 ppb (20) N/A N/A 24.0 ppb (18) 0.59 ppb (7) N/A 16.9 μg/m3 (60) 60.0
 
Sept. 14, 2019, 2 p.m. 36.5 ppb (34) 14.0 ppb (13) N/A 23.0 ppb (21) N/A N/A 11.0 ppb (8) 0.71 ppb (8) N/A 12.2 μg/m3 (50) 50.0
 
Sept. 14, 2019, 1 p.m. 29.4 ppb (27) 5.4 ppb (5) N/A 24.0 ppb (22) N/A N/A 5.0 ppb (4) 0.61 ppb (7) N/A 12.5 μg/m3 (51) 51.0
 
Sept. 14, 2019, noon 24.1 ppb (22) 2.2 ppb (2) N/A 22.0 ppb (20) N/A N/A 8.0 ppb (6) 0.55 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 14, 2019, 11 a.m. 24.6 ppb (23) 1.8 ppb (2) N/A 23.0 ppb (21) N/A N/A 10.0 ppb (8) 0.55 ppb (6) N/A 17.4 μg/m3 (61) 61.0
 
Sept. 14, 2019, 10 a.m. 26.0 ppb (24) 1.0 ppb (1) N/A 25.0 ppb (23) N/A N/A 11.0 ppb (8) 0.56 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2019, 9 a.m. 24.0 ppb (22) 1.3 ppb (1) N/A 23.0 ppb (21) N/A N/A 15.0 ppb (12) 0.56 ppb (6) N/A 10.7 μg/m3 (45) 45.0
 
Sept. 14, 2019, 8 a.m. 25.1 ppb (23) 1.0 ppb (1) N/A 24.0 ppb (22) N/A N/A 17.0 ppb (13) 0.55 ppb (6) N/A 11.7 μg/m3 (49) 49.0
 
Sept. 14, 2019, 7 a.m. 17.2 ppb (16) 0.9 ppb (1) N/A 16.0 ppb (15) N/A N/A 30.0 ppb (23) 0.43 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2019, 6 a.m. 13.8 ppb (13) 0.7 ppb (1) N/A 13.0 ppb (12) N/A N/A 39.0 ppb (30) 0.34 ppb (4) N/A 12.5 μg/m3 (51) 51.0
 
Sept. 14, 2019, 5 a.m. 15.5 ppb (14) 1.1 ppb (1) N/A 14.0 ppb (13) N/A N/A 42.0 ppb (32) 0.38 ppb (4) N/A 12.4 μg/m3 (51) 51.0
 
Sept. 14, 2019, 4 a.m. 8.1 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 52.0 ppb (40) 0.27 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
Sept. 14, 2019, 3 a.m. 7.5 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 54.0 ppb (42) 0.26 ppb (3) N/A 9.5 μg/m3 (40) 42.0
 
Sept. 14, 2019, 2 a.m. 6.5 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 58.0 ppb (45) 0.23 ppb (3) N/A 9.5 μg/m3 (40) 45.0
 
Sept. 14, 2019, 1 a.m. 18.8 ppb (17) 7.2 ppb (7) N/A 12.0 ppb (11) N/A N/A 59.0 ppb (45) 0.21 ppb (2) N/A 8.6 μg/m3 (36) 45.0
 
Sept. 14, 2019, midnight 6.2 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 64.0 ppb (49) 0.21 ppb (2) N/A 5.1 μg/m3 (21) 49.0
 
Sept. 13, 2019, 11 p.m. 5.6 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 70.0 ppb (54) 0.23 ppb (3) N/A 3.6 μg/m3 (15) 54.0
 
Sept. 13, 2019, 10 p.m. 3.4 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 77.0 ppb (60) 0.2 ppb (2) N/A 5.9 μg/m3 (25) 60.0
 
Sept. 13, 2019, 9 p.m. 3.3 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 82.0 ppb (64) 0.2 ppb (2) N/A 8.6 μg/m3 (36) 64.0
 
Sept. 13, 2019, 8 p.m. 5.7 ppb (5) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 91.0 ppb (72) 0.26 ppb (3) N/A 5.4 μg/m3 (23) 72.0
 
Sept. 13, 2019, 7 p.m. 6.0 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 84.0 ppb (66) 0.25 ppb (3) N/A 5.2 μg/m3 (22) 66.0
 
Sept. 13, 2019, 6 p.m. 11.2 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 71.0 ppb (55) 0.32 ppb (4) N/A 12.4 μg/m3 (51) 55.0
 
Sept. 13, 2019, 5 p.m. 24.5 ppb (23) 5.2 ppb (5) N/A 19.0 ppb (18) N/A N/A 52.0 ppb (40) 0.51 ppb (6) N/A 15.7 μg/m3 (58) 58.0
 
Sept. 13, 2019, 4 p.m. 31.9 ppb (30) 9.0 ppb (8) N/A 23.0 ppb (21) N/A N/A 33.0 ppb (25) 0.63 ppb (7) N/A 17.4 μg/m3 (61) 61.0
 
Sept. 13, 2019, 3 p.m. 49.1 ppb (45) 21.4 ppb (20) N/A 28.0 ppb (26) N/A N/A 16.0 ppb (12) 0.86 ppb (10) N/A 12.9 μg/m3 (52) 52.0
 
Sept. 13, 2019, 2 p.m. 52.0 ppb (48) 28.0 ppb (26) N/A 24.0 ppb (22) N/A N/A 7.0 ppb (5) 0.87 ppb (10) N/A 6.5 μg/m3 (27) 48.0
 
Sept. 13, 2019, 1 p.m. 43.1 ppb (40) 21.6 ppb (20) N/A 22.0 ppb (20) N/A N/A 5.0 ppb (4) 0.71 ppb (8) N/A 7.8 μg/m3 (32) 40.0
 
Sept. 13, 2019, noon 24.5 ppb (23) 4.6 ppb (4) N/A 20.0 ppb (19) N/A N/A 7.0 ppb (5) 0.49 ppb (5) N/A 10.8 μg/m3 (45) 45.0
 
Sept. 13, 2019, 11 a.m. 17.6 ppb (16) 1.5 ppb (1) N/A 16.0 ppb (15) N/A N/A 11.0 ppb (8) 0.4 ppb (4) N/A 8.6 μg/m3 (36) 36.0
 
Sept. 13, 2019, 10 a.m. 22.2 ppb (21) 1.6 ppb (1) N/A 21.0 ppb (19) N/A N/A 9.0 ppb (7) 0.44 ppb (5) N/A 12.3 μg/m3 (51) 51.0
 
Sept. 13, 2019, 9 a.m. 21.6 ppb (20) 1.8 ppb (2) N/A 20.0 ppb (19) N/A N/A 7.0 ppb (5) 0.48 ppb (5) N/A 15.2 μg/m3 (57) 57.0
 
Sept. 13, 2019, 8 a.m. 20.7 ppb (19) 1.6 ppb (1) N/A 19.0 ppb (18) N/A N/A 10.0 ppb (8) 0.45 ppb (5) N/A 13.7 μg/m3 (54) 54.0