AQSQID: 060370016

Site Name: Glendora - Laurel

Location: Glendora, CA

Reporting: True, Located: True

Current AQI: 50.0

Glendora CA, US: 34.1439, -117.8508

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 16, 2019, 11 p.m. 6.6 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 65.0 ppb (50) 0.33 ppb (4) 12.0 μg/m3 (11) 9.5 μg/m3 (40) 50.0
 
Sept. 16, 2019, 10 p.m. 7.0 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 62.0 ppb (48) 0.33 ppb (4) 31.0 μg/m3 (28) 12.2 μg/m3 (50) 50.0
 
Sept. 16, 2019, 9 p.m. 7.0 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 68.0 ppb (52) 0.36 ppb (4) 29.0 μg/m3 (26) 11.7 μg/m3 (49) 52.0
 
Sept. 16, 2019, 8 p.m. 12.8 ppb (12) 2.3 ppb (2) N/A 10.0 ppb (9) N/A N/A 62.0 ppb (48) 0.4 ppb (4) 36.0 μg/m3 (33) 15.2 μg/m3 (57) 57.0
 
Sept. 16, 2019, 7 p.m. 30.4 ppb (28) 6.9 ppb (6) N/A 24.0 ppb (22) N/A N/A 47.0 ppb (36) 0.53 ppb (6) 56.0 μg/m3 (50) 21.3 μg/m3 (70) 70.0
 
Sept. 16, 2019, 6 p.m. 36.5 ppb (34) 10.2 ppb (9) N/A 26.0 ppb (24) N/A N/A 33.0 ppb (25) 0.55 ppb (6) 67.0 μg/m3 (56) 23.5 μg/m3 (74) 74.0
 
Sept. 16, 2019, 5 p.m. 41.8 ppb (39) 12.1 ppb (11) N/A 30.0 ppb (28) N/A N/A 24.0 ppb (18) 0.65 ppb (7) 61.0 μg/m3 (53) 23.3 μg/m3 (74) 74.0
 
Sept. 16, 2019, 4 p.m. 22.9 ppb (21) 5.5 ppb (5) N/A 17.0 ppb (16) N/A N/A 26.0 ppb (20) 0.49 ppb (5) 31.0 μg/m3 (28) 12.7 μg/m3 (51) 51.0
 
Sept. 16, 2019, 3 p.m. 26.0 ppb (24) 7.5 ppb (7) N/A 19.0 ppb (18) N/A N/A 16.0 ppb (12) 0.51 ppb (6) 31.0 μg/m3 (28) 17.4 μg/m3 (61) 61.0
 
Sept. 16, 2019, 2 p.m. 9.0 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.38 ppb (4) 24.0 μg/m3 (22) 14.4 μg/m3 (55) 55.0
 
Sept. 16, 2019, 1 p.m. 10.6 ppb (10) 1.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.35 ppb (4) 24.0 μg/m3 (22) 16.4 μg/m3 (59) 59.0
 
Sept. 16, 2019, noon 13.6 ppb (13) 2.0 ppb (2) N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) 0.39 ppb (4) 25.0 μg/m3 (23) 14.2 μg/m3 (55) 55.0
 
Sept. 16, 2019, 11 a.m. 11.6 ppb (11) 1.5 ppb (1) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) 0.4 ppb (4) 26.0 μg/m3 (24) 16.4 μg/m3 (59) 59.0
 
Sept. 16, 2019, 10 a.m. 12.2 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) 0.4 ppb (4) 24.0 μg/m3 (22) 17.2 μg/m3 (61) 61.0
 
Sept. 16, 2019, 9 a.m. 15.7 ppb (15) 2.4 ppb (2) N/A 13.0 ppb (12) N/A N/A 14.0 ppb (11) 0.44 ppb (5) 34.0 μg/m3 (31) 15.1 μg/m3 (57) 57.0
 
Sept. 16, 2019, 8 a.m. 17.4 ppb (16) 2.5 ppb (2) N/A 15.0 ppb (14) N/A N/A 15.0 ppb (12) 0.45 ppb (5) 32.0 μg/m3 (29) 20.6 μg/m3 (68) 68.0
 
Sept. 16, 2019, 7 a.m. 9.5 ppb (9) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) 0.42 ppb (5) 31.0 μg/m3 (28) 15.9 μg/m3 (58) 58.0
 
Sept. 16, 2019, 6 a.m. 9.6 ppb (9) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 33.0 ppb (25) 0.41 ppb (5) 23.0 μg/m3 (21) 14.6 μg/m3 (56) 56.0
 
Sept. 16, 2019, 5 a.m. 10.2 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 33.0 ppb (25) 0.41 ppb (5) 28.0 μg/m3 (25) 17.7 μg/m3 (62) 62.0
 
Sept. 16, 2019, 4 a.m. 11.3 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A N/A 35.0 ppb (27) 0.39 ppb (4) 33.0 μg/m3 (30) 21.8 μg/m3 (71) 71.0
 
Sept. 16, 2019, 3 a.m. 12.5 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 39.0 ppb (30) 0.39 ppb (4) 38.0 μg/m3 (35) 15.1 μg/m3 (57) 57.0
 
Sept. 16, 2019, 2 a.m. 15.0 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (13) N/A N/A 44.0 ppb (34) 0.38 ppb (4) 40.0 μg/m3 (36) 16.4 μg/m3 (59) 59.0
 
Sept. 16, 2019, 1 a.m. 12.5 ppb (12) 0.7 ppb (1) N/A 12.0 ppb (11) N/A N/A 61.0 ppb (47) 0.38 ppb (4) 40.0 μg/m3 (36) 23.5 μg/m3 (74) 74.0
 
Sept. 16, 2019, midnight 8.2 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 73.0 ppb (57) 0.38 ppb (4) 30.0 μg/m3 (27) 10.7 μg/m3 (45) 57.0
 
Sept. 15, 2019, 11 p.m. 6.4 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 80.0 ppb (62) 0.35 ppb (4) 29.0 μg/m3 (26) 9.5 μg/m3 (40) 62.0
 
Sept. 15, 2019, 10 p.m. 5.6 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 85.0 ppb (67) 0.37 ppb (4) 29.0 μg/m3 (26) 16.6 μg/m3 (60) 67.0
 
Sept. 15, 2019, 9 p.m. 7.1 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 97.0 ppb (77) 0.43 ppb (5) 35.0 μg/m3 (32) 18.2 μg/m3 (63) 77.0
 
Sept. 15, 2019, 8 p.m. 7.1 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 92.0 ppb (72) 0.42 ppb (5) 29.0 μg/m3 (26) 14.2 μg/m3 (55) 72.0
 
Sept. 15, 2019, 7 p.m. 12.9 ppb (12) 1.5 ppb (1) N/A 11.0 ppb (10) N/A N/A 87.0 ppb (68) 0.5 ppb (6) 38.0 μg/m3 (35) 14.9 μg/m3 (56) 68.0
 
Sept. 15, 2019, 6 p.m. 18.2 ppb (17) 2.7 ppb (3) N/A 15.0 ppb (14) N/A N/A 68.0 ppb (52) 0.55 ppb (6) 43.0 μg/m3 (39) 17.4 μg/m3 (61) 61.0
 
Sept. 15, 2019, 5 p.m. 12.4 ppb (11) 2.1 ppb (2) N/A 10.0 ppb (9) N/A N/A 52.0 ppb (40) 0.44 ppb (5) 29.0 μg/m3 (26) 9.3 μg/m3 (39) 40.0
 
Sept. 15, 2019, 4 p.m. 10.9 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A N/A 41.0 ppb (32) 0.38 ppb (4) 24.0 μg/m3 (22) 10.4 μg/m3 (43) 43.0
 
Sept. 15, 2019, 3 p.m. 8.5 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) 0.34 ppb (4) 23.0 μg/m3 (21) 12.9 μg/m3 (52) 52.0
 
Sept. 15, 2019, 2 p.m. 6.2 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) 0.3 ppb (3) 27.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
Sept. 15, 2019, 1 p.m. 3.7 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.29 ppb (3) 17.0 μg/m3 (15) 12.2 μg/m3 (50) 50.0
 
Sept. 15, 2019, noon 3.7 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.28 ppb (3) 18.0 μg/m3 (16) 11.2 μg/m3 (47) 47.0
 
Sept. 15, 2019, 11 a.m. 7.2 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 38.0 ppb (29) 0.35 ppb (4) 20.0 μg/m3 (18) 10.2 μg/m3 (42) 42.0
 
Sept. 15, 2019, 10 a.m. 4.3 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) 0.32 ppb (4) 13.0 μg/m3 (12) 13.9 μg/m3 (54) 54.0
 
Sept. 15, 2019, 9 a.m. 2.9 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (42) 0.32 ppb (4) 17.0 μg/m3 (15) 12.6 μg/m3 (51) 51.0
 
Sept. 15, 2019, 8 a.m. 4.4 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (38) 0.34 ppb (4) 16.0 μg/m3 (15) 8.8 μg/m3 (37) 38.0
 
Sept. 15, 2019, 7 a.m. 7.0 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 47.0 ppb (36) 0.37 ppb (4) 22.0 μg/m3 (20) 12.9 μg/m3 (52) 52.0
 
Sept. 15, 2019, 6 a.m. 9.6 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 42.0 ppb (32) 0.39 ppb (4) 22.0 μg/m3 (20) 15.9 μg/m3 (58) 58.0
 
Sept. 15, 2019, 5 a.m. 11.7 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 39.0 ppb (30) 0.42 ppb (5) 24.0 μg/m3 (22) 11.5 μg/m3 (48) 48.0
 
Sept. 15, 2019, 4 a.m. 10.5 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 45.0 ppb (35) 0.42 ppb (5) 32.0 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2019, 3 a.m. 9.1 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 57.0 ppb (44) 0.42 ppb (5) 21.0 μg/m3 (19) 11.7 μg/m3 (49) 49.0
 
Sept. 15, 2019, 2 a.m. 10.2 ppb (9) 0.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 60.0 ppb (46) 0.4 ppb (4) 34.0 μg/m3 (31) 15.9 μg/m3 (58) 58.0
 
Sept. 15, 2019, 1 a.m. 11.8 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (10) N/A N/A 75.0 ppb (58) 0.4 ppb (4) 30.0 μg/m3 (27) 10.2 μg/m3 (42) 58.0
 
Sept. 15, 2019, midnight 9.6 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 94.0 ppb (74) 0.37 ppb (4) 36.0 μg/m3 (33) 15.4 μg/m3 (57) 74.0
 
Sept. 14, 2019, 11 p.m. 10.4 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 122.0 ppb (98) 0.41 ppb (5) 46.0 μg/m3 (42) 18.4 μg/m3 (64) 98.0
 
Sept. 14, 2019, 10 p.m. 9.1 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 131.0 ppb (108) 0.44 ppb (5) 42.0 μg/m3 (38) 19.3 μg/m3 (66) 108.0
 
Sept. 14, 2019, 9 p.m. 7.8 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 111.0 ppb (88) 0.42 ppb (5) 34.0 μg/m3 (31) 15.6 μg/m3 (58) 88.0
 
Sept. 14, 2019, 8 p.m. 10.8 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A N/A 102.0 ppb (81) 0.44 ppb (5) 38.0 μg/m3 (35) 12.6 μg/m3 (51) 81.0
 
Sept. 14, 2019, 7 p.m. 12.1 ppb (11) 1.4 ppb (1) N/A 11.0 ppb (10) N/A N/A 90.0 ppb (71) 0.44 ppb (5) 29.0 μg/m3 (26) 9.7 μg/m3 (40) 71.0
 
Sept. 14, 2019, 6 p.m. 16.7 ppb (15) 2.3 ppb (2) N/A 14.0 ppb (13) N/A N/A 74.0 ppb (57) 0.47 ppb (5) 29.0 μg/m3 (26) 11.4 μg/m3 (48) 57.0
 
Sept. 14, 2019, 5 p.m. 15.1 ppb (14) 2.2 ppb (2) N/A 13.0 ppb (12) N/A N/A 66.0 ppb (51) 0.44 ppb (5) 31.0 μg/m3 (28) 9.0 μg/m3 (38) 51.0
 
Sept. 14, 2019, 4 p.m. 11.2 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (8) N/A N/A 56.0 ppb (43) 0.38 ppb (4) 33.0 μg/m3 (30) 8.1 μg/m3 (34) 43.0
 
Sept. 14, 2019, 3 p.m. 12.8 ppb (12) 2.2 ppb (2) N/A 11.0 ppb (10) N/A N/A 41.0 ppb (32) 0.37 ppb (4) 25.0 μg/m3 (23) 9.5 μg/m3 (40) 40.0
 
Sept. 14, 2019, 2 p.m. 5.2 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.28 ppb (3) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
Sept. 14, 2019, 1 p.m. 4.3 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 0.28 ppb (3) 16.0 μg/m3 (15) 7.3 μg/m3 (30) 30.0
 
Sept. 14, 2019, noon 4.7 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.29 ppb (3) 19.0 μg/m3 (17) 8.8 μg/m3 (37) 37.0
 
Sept. 14, 2019, 11 a.m. 5.2 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.3 ppb (3) 14.0 μg/m3 (13) 9.8 μg/m3 (41) 41.0
 
Sept. 14, 2019, 10 a.m. 5.4 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) 0.31 ppb (3) 16.0 μg/m3 (15) 8.5 μg/m3 (35) 35.0
 
Sept. 14, 2019, 9 a.m. 4.6 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) 0.32 ppb (4) 11.0 μg/m3 (10) 8.1 μg/m3 (34) 34.0
 
Sept. 14, 2019, 8 a.m. 6.7 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) 0.35 ppb (4) 12.0 μg/m3 (11) 10.7 μg/m3 (45) 45.0
 
Sept. 14, 2019, 7 a.m. 10.8 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 33.0 ppb (25) 0.4 ppb (4) 18.0 μg/m3 (16) 13.4 μg/m3 (53) 53.0
 
Sept. 14, 2019, 6 a.m. 16.0 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A N/A 29.0 ppb (22) 0.46 ppb (5) 26.0 μg/m3 (24) 15.1 μg/m3 (57) 57.0
 
Sept. 14, 2019, 5 a.m. 24.1 ppb (22) 1.5 ppb (1) N/A 23.0 ppb (21) N/A N/A 18.0 ppb (14) 0.49 ppb (5) 34.0 μg/m3 (31) 18.7 μg/m3 (64) 64.0
 
Sept. 14, 2019, 4 a.m. 19.8 ppb (18) 1.2 ppb (1) N/A 19.0 ppb (18) N/A N/A 28.0 ppb (22) 0.47 ppb (5) 30.0 μg/m3 (27) 12.9 μg/m3 (52) 52.0
 
Sept. 14, 2019, 3 a.m. 12.0 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 43.0 ppb (33) 0.4 ppb (4) 23.0 μg/m3 (21) 10.1 μg/m3 (42) 42.0
 
Sept. 14, 2019, 2 a.m. 12.8 ppb (12) 0.7 ppb (1) N/A 12.0 ppb (11) N/A N/A 51.0 ppb (39) 0.46 ppb (5) 44.0 μg/m3 (40) 20.1 μg/m3 (67) 67.0
 
Sept. 14, 2019, 1 a.m. 10.2 ppb (9) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 67.0 ppb (52) 0.36 ppb (4) 25.0 μg/m3 (23) 9.5 μg/m3 (40) 52.0
 
Sept. 14, 2019, midnight 11.6 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 75.0 ppb (58) 0.36 ppb (4) 37.0 μg/m3 (34) 10.2 μg/m3 (42) 58.0
 
Sept. 13, 2019, 11 p.m. 9.9 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 83.0 ppb (65) 0.36 ppb (4) 32.0 μg/m3 (29) 9.7 μg/m3 (40) 65.0
 
Sept. 13, 2019, 10 p.m. 6.3 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 83.0 ppb (65) 0.32 ppb (4) 36.0 μg/m3 (33) 7.3 μg/m3 (30) 65.0
 
Sept. 13, 2019, 9 p.m. 15.4 ppb (14) 1.7 ppb (2) N/A 14.0 ppb (13) N/A N/A 90.0 ppb (71) 0.45 ppb (5) 48.0 μg/m3 (44) 11.9 μg/m3 (50) 71.0
 
Sept. 13, 2019, 8 p.m. 10.0 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 90.0 ppb (71) 0.38 ppb (4) 43.0 μg/m3 (39) 12.4 μg/m3 (51) 71.0
 
Sept. 13, 2019, 7 p.m. 14.4 ppb (13) 2.0 ppb (2) N/A 12.0 ppb (11) N/A N/A 75.0 ppb (58) 0.38 ppb (4) 45.0 μg/m3 (41) 8.5 μg/m3 (35) 58.0
 
Sept. 13, 2019, 6 p.m. 25.1 ppb (23) 4.3 ppb (4) N/A 21.0 ppb (19) N/A N/A 62.0 ppb (48) 0.48 ppb (5) 32.0 μg/m3 (29) 11.0 μg/m3 (46) 48.0
 
Sept. 13, 2019, 5 p.m. 22.7 ppb (21) 4.1 ppb (4) N/A 19.0 ppb (18) N/A N/A 54.0 ppb (42) 0.45 ppb (5) 32.0 μg/m3 (29) 10.2 μg/m3 (42) 42.0
 
Sept. 13, 2019, 4 p.m. 12.0 ppb (11) 2.1 ppb (2) N/A 10.0 ppb (9) N/A N/A 52.0 ppb (40) 0.37 ppb (4) 21.0 μg/m3 (19) 10.4 μg/m3 (43) 43.0
 
Sept. 13, 2019, 3 p.m. 8.9 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 42.0 ppb (32) 0.33 ppb (4) 37.0 μg/m3 (34) 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2019, 2 p.m. 6.9 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) 0.31 ppb (3) 15.0 μg/m3 (14) 7.6 μg/m3 (32) 32.0
 
Sept. 13, 2019, 1 p.m. 8.4 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) 0.32 ppb (4) 23.0 μg/m3 (21) 12.1 μg/m3 (50) 50.0
 
Sept. 13, 2019, noon 6.0 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) 0.32 ppb (4) 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2019, 11 a.m. 3.4 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.31 ppb (3) 11.0 μg/m3 (10) 7.4 μg/m3 (31) 31.0
 
Sept. 13, 2019, 10 a.m. 3.6 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.33 ppb (4) 13.0 μg/m3 (12) 10.4 μg/m3 (43) 43.0
 
Sept. 13, 2019, 9 a.m. 6.0 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) 0.36 ppb (4) 17.0 μg/m3 (15) 12.5 μg/m3 (51) 51.0
 
Sept. 13, 2019, 8 a.m. 9.0 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A 31.0 ppb (24) 0.38 ppb (4) 25.0 μg/m3 (23) 13.9 μg/m3 (54) 54.0
 
Sept. 13, 2019, 7 a.m. 9.5 ppb (9) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) 0.38 ppb (4) 22.0 μg/m3 (20) 14.9 μg/m3 (56) 56.0
 
Sept. 13, 2019, 6 a.m. 14.2 ppb (13) 1.5 ppb (1) N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) 0.38 ppb (4) 28.0 μg/m3 (25) 9.5 μg/m3 (40) 40.0
 
Sept. 13, 2019, 5 a.m. 17.4 ppb (16) 1.7 ppb (2) N/A 16.0 ppb (15) N/A N/A 13.0 ppb (10) 0.39 ppb (4) 32.0 μg/m3 (29) 12.9 μg/m3 (52) 52.0
 
Sept. 13, 2019, 4 a.m. 18.3 ppb (17) 1.5 ppb (1) N/A 17.0 ppb (16) N/A N/A 15.0 ppb (12) 0.36 ppb (4) 34.0 μg/m3 (31) 14.4 μg/m3 (55) 55.0
 
Sept. 13, 2019, 3 a.m. 18.5 ppb (17) 1.1 ppb (1) N/A 17.0 ppb (16) N/A N/A 22.0 ppb (17) 0.32 ppb (4) 39.0 μg/m3 (35) 13.2 μg/m3 (53) 53.0
 
Sept. 13, 2019, 2 a.m. 19.3 ppb (18) 0.9 ppb (1) N/A 18.0 ppb (17) N/A N/A 28.0 ppb (22) 0.29 ppb (3) 39.0 μg/m3 (35) 14.6 μg/m3 (56) 56.0
 
Sept. 13, 2019, 1 a.m. 17.9 ppb (17) 1.1 ppb (1) N/A 17.0 ppb (16) N/A N/A 42.0 ppb (32) 0.27 ppb (3) 39.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2019, midnight 12.9 ppb (12) 1.2 ppb (1) N/A 12.0 ppb (11) N/A N/A 65.0 ppb (50) 0.25 ppb (3) 43.0 μg/m3 (39) 9.8 μg/m3 (41) 50.0
 
Sept. 12, 2019, 11 p.m. 10.1 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 88.0 ppb (69) 0.24 ppb (3) 51.0 μg/m3 (46) 18.2 μg/m3 (63) 69.0
 
Sept. 12, 2019, 10 p.m. 14.1 ppb (13) 1.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 97.0 ppb (77) 0.3 ppb (3) 61.0 μg/m3 (53) 16.9 μg/m3 (60) 77.0
 
Sept. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (56) 20.5 μg/m3 (68) 68.0
 
Sept. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (54) 18.9 μg/m3 (65) 65.0
 
Sept. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (52) 15.6 μg/m3 (58) 58.0
 
Sept. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (53) 21.3 μg/m3 (70) 70.0
 
Sept. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) N/A 43.0
 
Sept. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 12, 2019, 2 p.m. 13.3 ppb (12) 2.4 ppb (2) N/A 11.0 ppb (10) N/A N/A 27.0 ppb (21) 0.38 ppb (4) N/A 15.2 μg/m3 (57) 57.0
 
Sept. 12, 2019, 1 p.m. 7.4 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) 0.35 ppb (4) 23.0 μg/m3 (21) 11.9 μg/m3 (50) 50.0
 
Sept. 12, 2019, noon 6.1 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.35 ppb (4) 21.0 μg/m3 (19) 11.2 μg/m3 (47) 47.0
 
Sept. 12, 2019, 11 a.m. 6.7 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) 0.36 ppb (4) 23.0 μg/m3 (21) 13.5 μg/m3 (53) 53.0
 
Sept. 12, 2019, 10 a.m. 6.2 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) 0.35 ppb (4) 20.0 μg/m3 (18) 14.3 μg/m3 (55) 55.0
 
Sept. 12, 2019, 9 a.m. 6.6 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) 0.37 ppb (4) 23.0 μg/m3 (21) 11.9 μg/m3 (50) 50.0
 
Sept. 12, 2019, 8 a.m. 7.5 ppb (7) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) 0.37 ppb (4) 19.0 μg/m3 (17) 16.7 μg/m3 (60) 60.0
 
Sept. 12, 2019, 7 a.m. 9.5 ppb (9) 1.3 ppb (1) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) 0.39 ppb (4) 24.0 μg/m3 (22) 13.2 μg/m3 (53) 53.0
 
Sept. 12, 2019, 6 a.m. 10.8 ppb (10) 1.4 ppb (1) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 0.38 ppb (4) 30.0 μg/m3 (27) 16.9 μg/m3 (60) 60.0
 
Sept. 12, 2019, 5 a.m. 10.8 ppb (10) 1.4 ppb (1) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) 0.39 ppb (4) 31.0 μg/m3 (28) 17.2 μg/m3 (61) 61.0
 
Sept. 12, 2019, 4 a.m. 11.0 ppb (10) 1.2 ppb (1) N/A 10.0 ppb (9) N/A N/A 34.0 ppb (26) 0.37 ppb (4) 38.0 μg/m3 (35) 16.2 μg/m3 (59) 59.0
 
Sept. 12, 2019, 3 a.m. 10.2 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 46.0 ppb (35) 0.33 ppb (4) 40.0 μg/m3 (36) 18.2 μg/m3 (63) 63.0
 
Sept. 12, 2019, 2 a.m. 9.9 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 52.0 ppb (40) 0.3 ppb (3) 41.0 μg/m3 (37) 17.7 μg/m3 (62) 62.0
 
Sept. 12, 2019, 1 a.m. 11.6 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 59.0 ppb (45) 0.3 ppb (3) 45.0 μg/m3 (41) 20.3 μg/m3 (68) 68.0
 
Sept. 12, 2019, midnight 11.8 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 71.0 ppb (55) 0.32 ppb (4) 48.0 μg/m3 (44) 23.0 μg/m3 (73) 73.0
 
Sept. 11, 2019, 11 p.m. 10.1 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 86.0 ppb (68) 0.33 ppb (4) 56.0 μg/m3 (50) 17.7 μg/m3 (62) 68.0
 
Sept. 11, 2019, 10 p.m. 7.0 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 84.0 ppb (66) 0.27 ppb (3) 43.0 μg/m3 (39) 15.6 μg/m3 (58) 66.0
 
Sept. 11, 2019, 9 p.m. 7.2 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 77.0 ppb (60) 0.19 ppb (2) 44.0 μg/m3 (40) 16.9 μg/m3 (60) 60.0
 
Sept. 11, 2019, 8 p.m. 8.7 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 64.0 ppb (49) 0.17 ppb (2) 41.0 μg/m3 (37) 18.2 μg/m3 (63) 63.0
 
Sept. 11, 2019, 7 p.m. 8.2 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 57.0 ppb (44) 0.16 ppb (2) 39.0 μg/m3 (35) 15.4 μg/m3 (57) 57.0
 
Sept. 11, 2019, 6 p.m. 7.5 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A N/A 50.0 ppb (38) 0.17 ppb (2) 39.0 μg/m3 (35) 12.4 μg/m3 (51) 51.0
 
Sept. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 13.9 μg/m3 (54) 54.0
 
Sept. 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 15.4 μg/m3 (57) 57.0
 
Sept. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 8.8 μg/m3 (37) 37.0
 
Sept. 11, 2019, 2 p.m. 5.6 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.28 ppb (3) 24.0 μg/m3 (22) 15.1 μg/m3 (57) 57.0
 
Sept. 11, 2019, 1 p.m. 6.4 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) 0.29 ppb (3) 23.0 μg/m3 (21) 8.5 μg/m3 (35) 35.0
 
Sept. 11, 2019, noon 5.6 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.28 ppb (3) 28.0 μg/m3 (25) 11.2 μg/m3 (47) 47.0
 
Sept. 11, 2019, 11 a.m. 5.7 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.3 ppb (3) 23.0 μg/m3 (21) 11.4 μg/m3 (48) 48.0
 
Sept. 11, 2019, 10 a.m. 5.6 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.3 ppb (3) 24.0 μg/m3 (22) 12.6 μg/m3 (51) 51.0
 
Sept. 11, 2019, 9 a.m. 6.3 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) 0.29 ppb (3) 23.0 μg/m3 (21) 11.9 μg/m3 (50) 50.0
 
Sept. 11, 2019, 8 a.m. 11.7 ppb (11) 1.1 ppb (1) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) 0.3 ppb (3) 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Sept. 11, 2019, 7 a.m. 7.1 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.28 ppb (3) 33.0 μg/m3 (30) 13.9 μg/m3 (54) 54.0
 
Sept. 11, 2019, 6 a.m. 6.5 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.25 ppb (3) 31.0 μg/m3 (28) 14.2 μg/m3 (55) 55.0
 
Sept. 11, 2019, 5 a.m. 8.8 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) 0.27 ppb (3) 36.0 μg/m3 (33) 14.7 μg/m3 (56) 56.0
 
Sept. 11, 2019, 4 a.m. 7.9 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) 0.25 ppb (3) 33.0 μg/m3 (30) 14.9 μg/m3 (56) 56.0
 
Sept. 11, 2019, 3 a.m. 8.7 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 31.0 ppb (24) 0.23 ppb (3) 34.0 μg/m3 (31) 12.7 μg/m3 (51) 51.0
 
Sept. 11, 2019, 2 a.m. 10.5 ppb (10) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 33.0 ppb (25) 0.22 ppb (2) 36.0 μg/m3 (33) 15.9 μg/m3 (58) 58.0
 
Sept. 11, 2019, 1 a.m. 9.5 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 40.0 ppb (31) 0.21 ppb (2) 35.0 μg/m3 (32) 12.4 μg/m3 (51) 51.0
 
Sept. 11, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 14.4 μg/m3 (55) 55.0
 
Sept. 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 15.9 μg/m3 (58) 58.0
 
Sept. 10, 2019, 10 p.m. 4.8 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 72.0 ppb (56) 0.29 ppb (3) 41.0 μg/m3 (37) 18.4 μg/m3 (64) 64.0
 
Sept. 10, 2019, 9 p.m. 4.9 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 64.0 ppb (49) 0.27 ppb (3) 39.0 μg/m3 (35) 12.4 μg/m3 (51) 51.0
 
Sept. 10, 2019, 8 p.m. 5.3 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 53.0 ppb (41) 0.21 ppb (2) 34.0 μg/m3 (31) 11.7 μg/m3 (49) 49.0
 
Sept. 10, 2019, 7 p.m. 7.6 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 41.0 ppb (32) 0.32 ppb (4) 35.0 μg/m3 (32) 14.9 μg/m3 (56) 56.0
 
Sept. 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 11.2 μg/m3 (47) 47.0
 
Sept. 10, 2019, 5 p.m. 5.6 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) 0.28 ppb (3) 31.0 μg/m3 (28) 11.9 μg/m3 (50) 50.0
 
Sept. 10, 2019, 4 p.m. 3.2 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.24 ppb (3) 32.0 μg/m3 (29) 10.7 μg/m3 (45) 45.0
 
Sept. 10, 2019, 3 p.m. 3.4 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.25 ppb (3) 43.0 μg/m3 (39) 9.0 μg/m3 (38) 39.0
 
Sept. 10, 2019, 2 p.m. 3.4 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.24 ppb (3) 17.0 μg/m3 (15) 10.7 μg/m3 (45) 45.0
 
Sept. 10, 2019, 1 p.m. 2.2 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.23 ppb (3) 31.0 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
Sept. 10, 2019, noon 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.22 ppb (2) 29.0 μg/m3 (26) 10.5 μg/m3 (44) 44.0
 
Sept. 10, 2019, 11 a.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) 0.24 ppb (3) 25.0 μg/m3 (23) 11.7 μg/m3 (49) 49.0
 
Sept. 10, 2019, 10 a.m. 4.9 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.25 ppb (3) 32.0 μg/m3 (29) 14.4 μg/m3 (55) 55.0
 
Sept. 10, 2019, 9 a.m. 7.0 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) 0.29 ppb (3) 36.0 μg/m3 (33) 14.4 μg/m3 (55) 55.0
 
Sept. 10, 2019, 8 a.m. 7.9 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) 0.3 ppb (3) 34.0 μg/m3 (31) 16.9 μg/m3 (60) 60.0
 
Sept. 10, 2019, 7 a.m. 8.0 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.3 ppb (3) 29.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
Sept. 10, 2019, 6 a.m. 10.7 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.31 ppb (3) 35.0 μg/m3 (32) 13.9 μg/m3 (54) 54.0
 
Sept. 10, 2019, 5 a.m. 12.9 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) 0.35 ppb (4) 36.0 μg/m3 (33) 13.9 μg/m3 (54) 54.0
 
Sept. 10, 2019, 4 a.m. 12.8 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 19.0 ppb (15) 0.34 ppb (4) 32.0 μg/m3 (29) 11.7 μg/m3 (49) 49.0
 
Sept. 10, 2019, 3 a.m. 10.4 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.3 ppb (3) 33.0 μg/m3 (30) 11.6 μg/m3 (48) 48.0
 
Sept. 10, 2019, 2 a.m. 11.0 ppb (10) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 34.0 ppb (26) 0.33 ppb (4) 43.0 μg/m3 (39) 15.4 μg/m3 (57) 57.0
 
Sept. 10, 2019, 1 a.m. 10.2 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 46.0 ppb (35) 0.33 ppb (4) 45.0 μg/m3 (41) 19.1 μg/m3 (65) 65.0
 
Sept. 10, 2019, midnight 7.6 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 63.0 ppb (48) 0.34 ppb (4) 47.0 μg/m3 (43) 19.6 μg/m3 (66) 66.0