AQSQID: 060658001

Site Name: Riverside - Rubidoux

Location: Rivside (Rivview Dr), CA

Reporting: True, Located: True

Current AQI: 82.0

Rivside (Rivview Dr) CA, US: 33.999449, -117.415831

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 26, 2020, 1 a.m. 22.1 ppb (20) 0.3 ppb (0) 21.9 ppb (20) 22.0 ppb (20) 21.8 ppb (20) 0.0 ppb (0) 28.0 ppb (22) 0.54 ppb (6) 55.0 μg/m3 (50) 27.0 μg/m3 (82) 82.0
 
Jan. 26, 2020, midnight 21.2 ppb (20) 1.0 ppb (1) 19.8 ppb (18) 20.0 ppb (19) 18.8 ppb (17) 0.0 ppb (0) 29.0 ppb (22) 0.46 ppb (5) 51.0 μg/m3 (46) 22.0 μg/m3 (71) 71.0
 
Jan. 25, 2020, 11 p.m. 12.4 ppb (11) 1.3 ppb (1) 12.6 ppb (12) 11.0 ppb (10) 11.1 ppb (10) 0.0 ppb (0) 38.0 ppb (29) 0.51 ppb (6) 38.0 μg/m3 (35) 7.0 μg/m3 (29) 35.0
 
Jan. 25, 2020, 10 p.m. 17.7 ppb (16) 3.3 ppb (3) 16.5 ppb (15) 14.0 ppb (13) 13.0 ppb (12) 0.0 ppb (0) 36.0 ppb (28) 0.26 ppb (3) 34.0 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
Jan. 25, 2020, 9 p.m. 17.1 ppb (16) 3.8 ppb (4) 15.5 ppb (14) 13.0 ppb (12) 11.4 ppb (11) 0.0 ppb (0) 34.0 ppb (26) 0.27 ppb (3) 33.0 μg/m3 (30) 3.0 μg/m3 (12) 30.0
 
Jan. 25, 2020, 8 p.m. 12.6 ppb (12) 3.0 ppb (3) 11.0 ppb (10) 10.0 ppb (9) 7.7 ppb (7) 0.0 ppb (0) 34.0 ppb (26) 0.21 ppb (2) 25.0 μg/m3 (23) 5.0 μg/m3 (21) 26.0
 
Jan. 25, 2020, 7 p.m. 18.1 ppb (17) 5.3 ppb (5) 16.4 ppb (15) 13.0 ppb (12) 10.9 ppb (10) 0.0 ppb (0) 29.0 ppb (22) 0.27 ppb (3) 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Jan. 25, 2020, 6 p.m. 25.4 ppb (24) 9.0 ppb (8) 23.6 ppb (22) 16.0 ppb (15) 14.4 ppb (13) 0.0 ppb (0) 22.0 ppb (17) 0.3 ppb (3) 35.0 μg/m3 (32) 18.0 μg/m3 (63) 63.0
 
Jan. 25, 2020, 5 p.m. 40.1 ppb (37) 18.1 ppb (17) 38.2 ppb (35) 22.0 ppb (20) 20.1 ppb (19) 0.0 ppb (0) 14.0 ppb (11) 0.39 ppb (4) 42.0 μg/m3 (38) 12.0 μg/m3 (50) 50.0
 
Jan. 25, 2020, 4 p.m. 76.3 ppb (74) 49.3 ppb (46) 72.8 ppb (70) 27.0 ppb (25) 26.5 ppb (25) 1.0 ppb (1) 5.0 ppb (4) 0.6 ppb (7) 51.0 μg/m3 (46) 10.0 μg/m3 (42) 74.0
 
Jan. 25, 2020, 3 p.m. 93.1 ppb (92) 64.9 ppb (62) 88.2 ppb (86) 28.0 ppb (26) 28.5 ppb (26) 1.0 ppb (1) 1.0 ppb (1) 0.61 ppb (7) 50.0 μg/m3 (45) 10.0 μg/m3 (42) 92.0
 
Jan. 25, 2020, 2 p.m. 99.1 ppb (98) 73.2 ppb (70) 93.1 ppb (92) 26.0 ppb (24) 27.6 ppb (26) 1.0 ppb (1) 0.0 ppb (0) 0.73 ppb (8) 41.0 μg/m3 (37) 16.0 μg/m3 (59) 98.0
 
Jan. 25, 2020, 1 p.m. 85.8 ppb (84) 59.7 ppb (56) 85.2 ppb (83) 26.0 ppb (24) 24.2 ppb (22) 1.0 ppb (1) 0.0 ppb (0) 0.64 ppb (7) 32.0 μg/m3 (29) 6.0 μg/m3 (25) 84.0
 
Jan. 25, 2020, noon 83.5 ppb (81) 56.2 ppb (52) 79.8 ppb (77) 27.0 ppb (25) 28.2 ppb (26) 1.0 ppb (1) 0.0 ppb (0) 0.61 ppb (7) 31.0 μg/m3 (28) 9.0 μg/m3 (38) 81.0
 
Jan. 25, 2020, 11 a.m. 88.6 ppb (87) 60.0 ppb (56) 77.1 ppb (75) 29.0 ppb (27) 27.6 ppb (26) 1.0 ppb (1) 0.0 ppb (0) 0.7 ppb (8) 38.0 μg/m3 (35) 16.0 μg/m3 (59) 87.0
 
Jan. 25, 2020, 10 a.m. 92.5 ppb (91) 63.5 ppb (60) 91.1 ppb (89) 29.0 ppb (27) 30.3 ppb (28) 1.0 ppb (1) 1.0 ppb (1) 0.74 ppb (8) 43.0 μg/m3 (39) 19.0 μg/m3 (65) 91.0
 
Jan. 25, 2020, 9 a.m. 88.3 ppb (86) 58.6 ppb (55) 89.1 ppb (87) 30.0 ppb (28) 28.4 ppb (26) 1.0 ppb (1) 1.0 ppb (1) 1.07 ppb (12) 51.0 μg/m3 (46) 16.0 μg/m3 (59) 87.0
 
Jan. 25, 2020, 8 a.m. 83.9 ppb (82) 54.0 ppb (50) 85.8 ppb (84) 30.0 ppb (28) 33.6 ppb (31) 1.0 ppb (1) 1.0 ppb (1) 1.05 ppb (12) 62.0 μg/m3 (54) 20.0 μg/m3 (67) 84.0
 
Jan. 25, 2020, 7 a.m. 67.4 ppb (64) 36.2 ppb (34) 69.6 ppb (67) 31.0 ppb (29) 33.8 ppb (31) 0.0 ppb (0) 1.0 ppb (1) 0.97 ppb (11) 59.0 μg/m3 (52) 22.0 μg/m3 (71) 71.0
 
Jan. 25, 2020, 6 a.m. 66.2 ppb (63) 34.8 ppb (32) 64.6 ppb (61) 31.0 ppb (29) 35.1 ppb (32) 1.0 ppb (1) 1.0 ppb (1) 0.96 ppb (11) 54.0 μg/m3 (49) 26.0 μg/m3 (80) 80.0
 
Jan. 25, 2020, 5 a.m. 55.6 ppb (52) 19.6 ppb (18) 52.8 ppb (49) 36.0 ppb (33) 36.7 ppb (34) 0.0 ppb (0) 1.0 ppb (1) 0.94 ppb (10) 60.0 μg/m3 (52) 26.0 μg/m3 (80) 80.0
 
Jan. 25, 2020, 4 a.m. 49.6 ppb (46) 12.6 ppb (12) 47.1 ppb (44) 37.0 ppb (34) 37.4 ppb (35) 0.0 ppb (0) 3.0 ppb (2) 0.93 ppb (10) 53.0 μg/m3 (48) 22.0 μg/m3 (71) 71.0
 
Jan. 25, 2020, 3 a.m. 26.4 ppb (24) 0.9 ppb (1) 24.0 ppb (22) 26.0 ppb (24) 23.8 ppb (22) 0.0 ppb (0) 17.0 ppb (13) 0.44 ppb (5) 42.0 μg/m3 (38) 14.0 μg/m3 (54) 54.0
 
Jan. 25, 2020, 2 a.m. 22.9 ppb (21) 0.4 ppb (0) 21.3 ppb (20) 23.0 ppb (21) 21.3 ppb (20) 0.0 ppb (0) 22.0 ppb (17) 0.37 ppb (4) 42.0 μg/m3 (38) 13.0 μg/m3 (52) 52.0
 
Jan. 25, 2020, 1 a.m. 19.9 ppb (18) 0.2 ppb (0) 18.1 ppb (17) 20.0 ppb (19) 18.0 ppb (17) 0.0 ppb (0) 29.0 ppb (22) 0.36 ppb (4) 42.0 μg/m3 (38) 11.0 μg/m3 (46) 46.0
 
Jan. 25, 2020, midnight 14.0 ppb (13) 0.4 ppb (0) 12.4 ppb (11) 14.0 ppb (13) 12.0 ppb (11) 0.0 ppb (0) 38.0 ppb (29) 0.27 ppb (3) 68.0 μg/m3 (56) 8.0 μg/m3 (33) 56.0
 
Jan. 24, 2020, 11 p.m. 8.1 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) 31.0 μg/m3 (28) 6.0 μg/m3 (25) 35.0
 
Jan. 24, 2020, 10 p.m. 16.8 ppb (16) 3.2 ppb (3) 15.7 ppb (15) 14.0 ppb (13) 12.2 ppb (11) 0.0 ppb (0) 35.0 ppb (27) N/A 36.0 μg/m3 (33) 4.0 μg/m3 (17) 33.0
 
Jan. 24, 2020, 9 p.m. 13.1 ppb (12) 2.7 ppb (3) 11.6 ppb (11) 10.0 ppb (9) 8.6 ppb (8) 0.0 ppb (0) 38.0 ppb (29) 0.18 ppb (2) 17.0 μg/m3 (15) 4.0 μg/m3 (17) 29.0
 
Jan. 24, 2020, 8 p.m. 21.5 ppb (20) 6.5 ppb (6) 19.9 ppb (18) 15.0 ppb (14) 13.0 ppb (12) 0.0 ppb (0) 29.0 ppb (22) 0.25 ppb (3) 28.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
Jan. 24, 2020, 7 p.m. 22.1 ppb (20) 7.2 ppb (7) 20.3 ppb (19) 15.0 ppb (14) 12.9 ppb (12) 0.0 ppb (0) 26.0 ppb (20) 0.24 ppb (3) 22.0 μg/m3 (20) 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2020, 6 p.m. 40.6 ppb (38) 18.3 ppb (17) 39.2 ppb (36) 22.0 ppb (20) 20.7 ppb (19) 0.0 ppb (0) 17.0 ppb (13) 0.34 ppb (4) 38.0 μg/m3 (35) 8.0 μg/m3 (33) 38.0
 
Jan. 24, 2020, 5 p.m. 105.3 ppb (101) 71.9 ppb (69) 102.7 ppb (100) 33.0 ppb (31) 33.0 ppb (31) 1.0 ppb (1) 5.0 ppb (4) 0.75 ppb (8) 74.0 μg/m3 (60) 22.0 μg/m3 (71) 101.0
 
Jan. 24, 2020, 4 p.m. 163.5 ppb (112) 130.2 ppb (106) 160.5 ppb (111) 33.0 ppb (31) 35.0 ppb (32) 1.0 ppb (1) 1.0 ppb (1) 1.02 ppb (11) 106.0 μg/m3 (76) 17.0 μg/m3 (61) 112.0
 
Jan. 24, 2020, 3 p.m. 166.8 ppb (113) 133.4 ppb (106) 160.7 ppb (111) 33.0 ppb (31) 35.5 ppb (33) 1.0 ppb (1) 1.0 ppb (1) 1.05 ppb (12) 62.0 μg/m3 (54) 6.0 μg/m3 (25) 113.0
 
Jan. 24, 2020, 2 p.m. 141.5 ppb (108) 111.5 ppb (102) 139.2 ppb (107) 30.0 ppb (28) 31.1 ppb (29) 1.0 ppb (1) 0.0 ppb (0) 0.79 ppb (9) 55.0 μg/m3 (50) 0.0 μg/m3 (0) 108.0
 
Jan. 24, 2020, 1 p.m. 125.4 ppb (105) 96.2 ppb (95) 125.6 ppb (105) 29.0 ppb (27) 27.4 ppb (25) 1.0 ppb (1) 0.0 ppb (0) 0.7 ppb (8) 33.0 μg/m3 (30) 2.0 μg/m3 (8) 105.0
 
Jan. 24, 2020, noon 104.0 ppb (101) 76.5 ppb (74) 100.9 ppb (100) 27.0 ppb (25) 29.0 ppb (27) 1.0 ppb (1) 1.0 ppb (1) 0.6 ppb (7) 33.0 μg/m3 (30) 5.0 μg/m3 (21) 101.0
 
Jan. 24, 2020, 11 a.m. 83.3 ppb (81) 54.2 ppb (50) 85.7 ppb (84) 29.0 ppb (27) 27.7 ppb (26) 1.0 ppb (1) 0.0 ppb (0) 0.51 ppb (6) 29.0 μg/m3 (26) 7.0 μg/m3 (29) 84.0
 
Jan. 24, 2020, 10 a.m. 85.6 ppb (84) 56.6 ppb (53) 84.1 ppb (82) 29.0 ppb (27) 30.4 ppb (28) 1.0 ppb (1) 1.0 ppb (1) 0.56 ppb (6) 35.0 μg/m3 (32) 10.0 μg/m3 (42) 84.0
 
Jan. 24, 2020, 9 a.m. 96.9 ppb (96) 64.9 ppb (62) 89.1 ppb (87) 32.0 ppb (30) 29.1 ppb (27) 1.0 ppb (1) 0.0 ppb (0) 0.74 ppb (8) 43.0 μg/m3 (39) 11.0 μg/m3 (46) 96.0
 
Jan. 24, 2020, 8 a.m. 91.9 ppb (90) 59.1 ppb (55) 88.6 ppb (87) 33.0 ppb (31) 34.8 ppb (32) 1.0 ppb (1) 1.0 ppb (1) 0.83 ppb (9) 45.0 μg/m3 (41) 11.0 μg/m3 (46) 90.0
 
Jan. 24, 2020, 7 a.m. 75.5 ppb (73) 41.5 ppb (38) 77.8 ppb (75) 34.0 ppb (31) 35.2 ppb (33) 1.0 ppb (1) 1.0 ppb (1) 0.83 ppb (9) 41.0 μg/m3 (37) 12.0 μg/m3 (50) 75.0
 
Jan. 24, 2020, 6 a.m. 71.6 ppb (69) 36.1 ppb (33) 68.6 ppb (66) 36.0 ppb (33) 38.4 ppb (36) 1.0 ppb (1) 1.0 ppb (1) 0.83 ppb (9) 40.0 μg/m3 (36) 12.0 μg/m3 (50) 69.0
 
Jan. 24, 2020, 5 a.m. 64.3 ppb (61) 25.9 ppb (24) 60.4 ppb (57) 38.0 ppb (35) 39.2 ppb (36) 1.0 ppb (1) 0.0 ppb (0) 0.64 ppb (7) 46.0 μg/m3 (42) 11.0 μg/m3 (46) 61.0
 
Jan. 24, 2020, 4 a.m. 46.2 ppb (43) 7.3 ppb (7) 43.4 ppb (40) 39.0 ppb (36) 38.1 ppb (35) 0.0 ppb (0) 3.0 ppb (2) 0.66 ppb (7) 46.0 μg/m3 (42) 12.0 μg/m3 (50) 50.0
 
Jan. 24, 2020, 3 a.m. 46.1 ppb (43) 5.3 ppb (5) 42.8 ppb (40) 41.0 ppb (38) 38.7 ppb (36) 0.0 ppb (0) 4.0 ppb (3) 0.58 ppb (6) 52.0 μg/m3 (47) 9.0 μg/m3 (38) 47.0
 
Jan. 24, 2020, 2 a.m. 42.2 ppb (39) 3.5 ppb (3) 38.4 ppb (36) 39.0 ppb (36) 35.8 ppb (33) 1.0 ppb (1) 9.0 ppb (7) 0.54 ppb (6) 55.0 μg/m3 (50) 8.0 μg/m3 (33) 50.0
 
Jan. 24, 2020, 1 a.m. 20.6 ppb (19) 0.3 ppb (0) 17.8 ppb (16) 20.0 ppb (19) 17.5 ppb (16) 0.0 ppb (0) 28.0 ppb (22) 0.33 ppb (4) 36.0 μg/m3 (33) 4.0 μg/m3 (17) 33.0
 
Jan. 24, 2020, midnight 14.6 ppb (14) 0.5 ppb (0) 12.4 ppb (11) 14.0 ppb (13) 11.7 ppb (11) 0.0 ppb (0) 35.0 ppb (27) 0.23 ppb (3) 20.0 μg/m3 (18) -1.0 μg/m3 (0) 27.0
 
Jan. 23, 2020, 11 p.m. 10.6 ppb (10) 1.2 ppb (1) 8.5 ppb (8) 9.0 ppb (8) 7.2 ppb (7) 0.0 ppb (0) 38.0 ppb (29) 0.17 ppb (2) 20.0 μg/m3 (18) 2.0 μg/m3 (8) 29.0
 
Jan. 23, 2020, 10 p.m. 14.5 ppb (13) 2.5 ppb (2) 12.7 ppb (12) 12.0 ppb (11) 9.9 ppb (9) 0.0 ppb (0) 36.0 ppb (28) 0.19 ppb (2) 33.0 μg/m3 (30) -1.0 μg/m3 (0) 30.0
 
Jan. 23, 2020, 9 p.m. 8.3 ppb (8) 1.4 ppb (1) 7.8 ppb (7) 7.0 ppb (6) 5.7 ppb (5) 0.0 ppb (0) 38.0 ppb (29) 0.15 ppb (2) 8.0 μg/m3 (7) -2.0 μg/m3 (0) 29.0
 
Jan. 23, 2020, 8 p.m. 6.8 ppb (6) 1.2 ppb (1) 5.1 ppb (5) 6.0 ppb (6) 3.7 ppb (3) 0.0 ppb (0) 39.0 ppb (30) 0.13 ppb (1) 15.0 μg/m3 (14) 3.0 μg/m3 (12) 30.0
 
Jan. 23, 2020, 7 p.m. 23.9 ppb (22) 7.7 ppb (7) 22.1 ppb (20) 16.0 ppb (15) 14.1 ppb (13) 0.0 ppb (0) 27.0 ppb (21) 0.24 ppb (3) 35.0 μg/m3 (32) 4.0 μg/m3 (17) 32.0
 
Jan. 23, 2020, 6 p.m. 43.7 ppb (40) 19.1 ppb (18) 42.0 ppb (39) 25.0 ppb (23) 22.8 ppb (21) 0.0 ppb (0) 16.0 ppb (12) 0.37 ppb (4) 39.0 μg/m3 (35) 19.0 μg/m3 (65) 65.0
 
Jan. 23, 2020, 5 p.m. 64.9 ppb (62) 35.4 ppb (33) 63.1 ppb (60) 30.0 ppb (28) 28.4 ppb (26) 1.0 ppb (1) 8.0 ppb (6) 0.55 ppb (6) 44.0 μg/m3 (40) 14.0 μg/m3 (54) 62.0
 
Jan. 23, 2020, 4 p.m. 81.9 ppb (80) 50.7 ppb (47) 79.9 ppb (78) 31.0 ppb (29) 31.1 ppb (29) 1.0 ppb (1) 4.0 ppb (3) 0.59 ppb (7) 88.0 μg/m3 (66) 16.0 μg/m3 (59) 80.0
 
Jan. 23, 2020, 3 p.m. 97.4 ppb (96) 65.6 ppb (62) 91.8 ppb (90) 32.0 ppb (30) 31.8 ppb (29) 1.0 ppb (1) 1.0 ppb (1) 0.7 ppb (8) 42.0 μg/m3 (38) 8.0 μg/m3 (33) 96.0
 
Jan. 23, 2020, 2 p.m. 76.0 ppb (73) 48.0 ppb (44) 73.0 ppb (70) 28.0 ppb (26) 28.2 ppb (26) 1.0 ppb (1) 0.0 ppb (0) 0.57 ppb (6) 29.0 μg/m3 (26) 9.0 μg/m3 (38) 73.0
 
Jan. 23, 2020, 1 p.m. 74.3 ppb (72) 47.8 ppb (44) 70.2 ppb (67) 27.0 ppb (25) 24.5 ppb (23) 1.0 ppb (1) 0.0 ppb (0) 0.48 ppb (5) 31.0 μg/m3 (28) 12.0 μg/m3 (50) 72.0
 
Jan. 23, 2020, noon 76.2 ppb (74) 50.6 ppb (47) 75.9 ppb (73) 26.0 ppb (24) 26.2 ppb (24) 1.0 ppb (1) 0.0 ppb (0) 0.47 ppb (5) 34.0 μg/m3 (31) 15.0 μg/m3 (56) 74.0
 
Jan. 23, 2020, 11 a.m. 94.8 ppb (93) 70.3 ppb (67) 86.4 ppb (84) 25.0 ppb (23) 23.5 ppb (22) 1.0 ppb (1) 0.0 ppb (0) 0.59 ppb (7) 46.0 μg/m3 (42) 17.0 μg/m3 (61) 93.0
 
Jan. 23, 2020, 10 a.m. 94.0 ppb (93) 69.4 ppb (66) 92.4 ppb (91) 25.0 ppb (23) 26.9 ppb (25) 1.0 ppb (1) 1.0 ppb (1) 0.59 ppb (7) 51.0 μg/m3 (46) 14.0 μg/m3 (54) 93.0
 
Jan. 23, 2020, 9 a.m. 76.7 ppb (74) 52.9 ppb (49) 81.5 ppb (79) 24.0 ppb (22) 22.6 ppb (21) 1.0 ppb (1) 1.0 ppb (1) 0.61 ppb (7) 49.0 μg/m3 (45) 14.0 μg/m3 (54) 79.0
 
Jan. 23, 2020, 8 a.m. 56.6 ppb (53) 31.1 ppb (29) 53.0 ppb (49) 26.0 ppb (24) 27.4 ppb (25) 0.0 ppb (0) 0.0 ppb (0) 0.57 ppb (6) 38.0 μg/m3 (35) 10.0 μg/m3 (42) 53.0
 
Jan. 23, 2020, 7 a.m. 42.3 ppb (39) 16.4 ppb (15) 46.0 ppb (43) 26.0 ppb (24) 27.0 ppb (25) 0.0 ppb (0) 1.0 ppb (1) 0.54 ppb (6) 30.0 μg/m3 (27) 8.0 μg/m3 (33) 43.0
 
Jan. 23, 2020, 6 a.m. 37.7 ppb (35) 11.6 ppb (11) 35.6 ppb (33) 26.0 ppb (24) 26.5 ppb (25) 0.0 ppb (0) 1.0 ppb (1) 0.43 ppb (5) 34.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 5 a.m. 37.8 ppb (35) 8.1 ppb (8) 38.0 ppb (35) 30.0 ppb (28) 29.6 ppb (27) 0.0 ppb (0) 2.0 ppb (2) 0.62 ppb (7) 34.0 μg/m3 (31) 13.0 μg/m3 (52) 52.0
 
Jan. 23, 2020, 4 a.m. 24.0 ppb (22) 1.1 ppb (1) 22.0 ppb (20) 23.0 ppb (21) 21.4 ppb (20) 0.0 ppb (0) 13.0 ppb (10) 0.42 ppb (5) 34.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 3 a.m. 20.7 ppb (19) 0.5 ppb (0) 18.3 ppb (17) 20.0 ppb (19) 18.1 ppb (17) 0.0 ppb (0) 18.0 ppb (14) 0.35 ppb (4) 33.0 μg/m3 (30) 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2020, 2 a.m. 20.9 ppb (19) 0.6 ppb (1) 19.1 ppb (18) 20.0 ppb (19) 18.8 ppb (17) 0.0 ppb (0) 19.0 ppb (15) 0.35 ppb (4) 34.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2020, 1 a.m. 13.7 ppb (13) 0.1 ppb (0) 12.7 ppb (12) 14.0 ppb (13) 12.7 ppb (12) 0.0 ppb (0) 27.0 ppb (21) 0.22 ppb (2) 40.0 μg/m3 (36) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, midnight 8.2 ppb (8) 0.1 ppb (0) 7.7 ppb (7) 8.0 ppb (7) 7.4 ppb (7) 0.0 ppb (0) 37.0 ppb (28) 0.16 ppb (2) 35.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
Jan. 22, 2020, 11 p.m. 6.9 ppb (6) 0.5 ppb (0) 6.5 ppb (6) 6.0 ppb (6) 5.8 ppb (5) 0.0 ppb (0) 39.0 ppb (30) 0.16 ppb (2) 29.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
Jan. 22, 2020, 10 p.m. 7.0 ppb (6) 0.8 ppb (1) 6.8 ppb (6) 6.0 ppb (6) 5.8 ppb (5) 0.0 ppb (0) 40.0 ppb (31) 0.16 ppb (2) 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, 9 p.m. 6.5 ppb (6) 0.9 ppb (1) 6.4 ppb (6) 6.0 ppb (6) 5.2 ppb (5) 0.0 ppb (0) 39.0 ppb (30) 0.16 ppb (2) 24.0 μg/m3 (22) 16.0 μg/m3 (59) 59.0
 
Jan. 22, 2020, 8 p.m. 6.2 ppb (6) 1.0 ppb (1) 6.1 ppb (6) 5.0 ppb (5) 5.0 ppb (5) 0.0 ppb (0) 37.0 ppb (28) 0.17 ppb (2) 28.0 μg/m3 (25) 6.0 μg/m3 (25) 28.0
 
Jan. 22, 2020, 7 p.m. 5.6 ppb (5) 1.0 ppb (1) 5.4 ppb (5) 5.0 ppb (5) 4.3 ppb (4) 0.0 ppb (0) 36.0 ppb (28) 0.16 ppb (2) 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, 6 p.m. 6.4 ppb (6) 1.1 ppb (1) 6.1 ppb (6) 5.0 ppb (5) 4.9 ppb (5) 0.0 ppb (0) 33.0 ppb (25) 0.17 ppb (2) 22.0 μg/m3 (20) 14.0 μg/m3 (54) 54.0
 
Jan. 22, 2020, 5 p.m. 10.7 ppb (10) 2.4 ppb (2) 10.7 ppb (10) 8.0 ppb (7) 8.2 ppb (8) 0.0 ppb (0) 27.0 ppb (21) 0.22 ppb (2) 26.0 μg/m3 (24) 17.0 μg/m3 (61) 61.0
 
Jan. 22, 2020, 4 p.m. 28.7 ppb (27) 8.6 ppb (8) 27.8 ppb (26) 20.0 ppb (19) 19.6 ppb (18) 0.0 ppb (0) 11.0 ppb (8) 0.33 ppb (4) 29.0 μg/m3 (26) 19.0 μg/m3 (65) 65.0
 
Jan. 22, 2020, 3 p.m. 70.5 ppb (68) 43.6 ppb (40) 67.2 ppb (64) 27.0 ppb (25) 27.9 ppb (26) 0.0 ppb (0) 1.0 ppb (1) 0.63 ppb (7) 34.0 μg/m3 (31) 17.0 μg/m3 (61) 68.0
 
Jan. 22, 2020, 2 p.m. 77.6 ppb (75) 53.5 ppb (50) 76.6 ppb (74) 24.0 ppb (22) 26.9 ppb (25) 1.0 ppb (1) 0.0 ppb (0) 0.64 ppb (7) 33.0 μg/m3 (30) 15.0 μg/m3 (56) 75.0
 
Jan. 22, 2020, 1 p.m. 71.2 ppb (68) 47.8 ppb (44) 72.9 ppb (70) 23.0 ppb (21) 22.5 ppb (21) 0.0 ppb (0) 0.0 ppb (0) 0.48 ppb (5) 33.0 μg/m3 (30) 15.0 μg/m3 (56) 70.0
 
Jan. 22, 2020, noon 58.1 ppb (54) 33.7 ppb (31) 48.8 ppb (45) 24.0 ppb (22) 24.7 ppb (23) 0.0 ppb (0) 1.0 ppb (1) 0.41 ppb (5) 26.0 μg/m3 (24) 15.0 μg/m3 (56) 56.0
 
Jan. 22, 2020, 11 a.m. 23.7 ppb (22) 4.4 ppb (4) 20.4 ppb (19) 19.0 ppb (18) 16.8 ppb (16) 0.0 ppb (0) 1.0 ppb (1) 0.27 ppb (3) 26.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
Jan. 22, 2020, 10 a.m. 29.4 ppb (27) 5.2 ppb (5) 24.1 ppb (22) 24.0 ppb (22) 21.5 ppb (20) 0.0 ppb (0) 2.0 ppb (2) 0.25 ppb (3) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2020, 9 a.m. 27.6 ppb (26) 3.2 ppb (3) 23.7 ppb (22) 24.0 ppb (22) 21.1 ppb (20) 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2020, 8 a.m. 20.7 ppb (19) 0.8 ppb (1) 18.6 ppb (17) 20.0 ppb (19) 18.3 ppb (17) 0.0 ppb (0) 8.0 ppb (6) 0.26 ppb (3) 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 7 a.m. 12.3 ppb (11) 0.3 ppb (0) 10.0 ppb (9) 12.0 ppb (11) 9.9 ppb (9) 0.0 ppb (0) 18.0 ppb (14) 0.25 ppb (3) 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
Jan. 22, 2020, 6 a.m. 10.3 ppb (10) 0.1 ppb (0) 8.6 ppb (8) 10.0 ppb (9) 8.6 ppb (8) 0.0 ppb (0) 23.0 ppb (18) 0.21 ppb (2) 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 5 a.m. 8.5 ppb (8) 0.0 ppb (0) 6.7 ppb (6) 8.0 ppb (7) 6.7 ppb (6) 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 4 a.m. 8.0 ppb (7) 0.0 ppb (0) 5.6 ppb (5) 8.0 ppb (7) 5.6 ppb (5) 0.0 ppb (0) 31.0 ppb (24) 0.18 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 3 a.m. 8.4 ppb (8) 0.0 ppb (0) 6.0 ppb (6) 8.0 ppb (7) 6.0 ppb (6) 0.0 ppb (0) 30.0 ppb (23) 0.18 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 2 a.m. 7.9 ppb (7) 0.0 ppb (0) 5.5 ppb (5) 8.0 ppb (7) 5.5 ppb (5) 0.0 ppb (0) 32.0 ppb (25) 0.17 ppb (2) 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 1 a.m. 10.1 ppb (9) 0.0 ppb (0) 7.7 ppb (7) 10.0 ppb (9) 7.7 ppb (7) 0.0 ppb (0) 30.0 ppb (23) 0.17 ppb (2) 18.0 μg/m3 (16) 5.0 μg/m3 (21) 23.0
 
Jan. 22, 2020, midnight 9.5 ppb (9) 0.0 ppb (0) 7.0 ppb (6) 9.0 ppb (8) 7.0 ppb (6) 0.0 ppb (0) 31.0 ppb (24) 0.16 ppb (2) 21.0 μg/m3 (19) 4.0 μg/m3 (17) 24.0
 
Jan. 21, 2020, 11 p.m. 10.1 ppb (9) 0.3 ppb (0) 7.4 ppb (7) 10.0 ppb (9) 7.2 ppb (7) 0.0 ppb (0) 33.0 ppb (25) 0.18 ppb (2) 20.0 μg/m3 (18) 5.0 μg/m3 (21) 25.0
 
Jan. 21, 2020, 10 p.m. 9.8 ppb (9) 0.3 ppb (0) 7.6 ppb (7) 9.0 ppb (8) 7.2 ppb (7) 0.0 ppb (0) 33.0 ppb (25) 0.18 ppb (2) 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2020, 9 p.m. 8.8 ppb (8) 0.5 ppb (0) 6.8 ppb (6) 8.0 ppb (7) 6.2 ppb (6) 0.0 ppb (0) 30.0 ppb (23) 0.18 ppb (2) 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2020, 8 p.m. 9.2 ppb (9) 1.3 ppb (1) 6.3 ppb (6) 8.0 ppb (7) 5.1 ppb (5) 0.0 ppb (0) 34.0 ppb (26) 0.17 ppb (2) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 26.0
 
Jan. 21, 2020, 7 p.m. 7.2 ppb (7) 1.0 ppb (1) 6.2 ppb (6) 6.0 ppb (6) 4.2 ppb (4) 0.0 ppb (0) 34.0 ppb (26) 0.17 ppb (2) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 26.0
 
Jan. 21, 2020, 6 p.m. 6.7 ppb (6) 0.8 ppb (1) 5.3 ppb (5) 6.0 ppb (6) 4.4 ppb (4) 0.0 ppb (0) 34.0 ppb (26) 0.16 ppb (2) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 26.0
 
Jan. 21, 2020, 5 p.m. 14.6 ppb (14) 2.5 ppb (2) 13.2 ppb (12) 12.0 ppb (11) 10.6 ppb (10) 0.0 ppb (0) 23.0 ppb (18) 0.23 ppb (3) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 4 p.m. 21.7 ppb (20) 3.9 ppb (4) 19.7 ppb (18) 18.0 ppb (17) 16.1 ppb (15) 0.0 ppb (0) 15.0 ppb (12) 0.29 ppb (3) 27.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
Jan. 21, 2020, 3 p.m. 19.4 ppb (18) 2.3 ppb (2) 17.0 ppb (16) 17.0 ppb (16) 15.4 ppb (14) 0.0 ppb (0) 17.0 ppb (13) 0.27 ppb (3) 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 2 p.m. 13.7 ppb (13) 1.0 ppb (1) 12.8 ppb (12) 13.0 ppb (12) 11.5 ppb (11) 0.0 ppb (0) 21.0 ppb (16) 0.19 ppb (2) 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 1 p.m. 10.0 ppb (9) 0.5 ppb (0) 7.0 ppb (6) 10.0 ppb (9) 6.8 ppb (6) 0.0 ppb (0) 20.0 ppb (15) 0.21 ppb (2) 20.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Jan. 21, 2020, noon 17.9 ppb (17) 0.9 ppb (1) 16.5 ppb (15) 17.0 ppb (16) 16.1 ppb (15) 0.0 ppb (0) 10.0 ppb (8) 0.28 ppb (3) 29.0 μg/m3 (26) 14.0 μg/m3 (54) 54.0
 
Jan. 21, 2020, 11 a.m. 16.4 ppb (15) 0.8 ppb (1) 14.5 ppb (13) 16.0 ppb (15) 14.0 ppb (13) 0.0 ppb (0) 12.0 ppb (9) 0.27 ppb (3) 27.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
Jan. 21, 2020, 10 a.m. 15.3 ppb (14) 0.7 ppb (1) 13.2 ppb (12) 15.0 ppb (14) 13.2 ppb (12) 0.0 ppb (0) 13.0 ppb (10) 0.25 ppb (3) 29.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
Jan. 21, 2020, 9 a.m. 13.5 ppb (12) 0.5 ppb (0) 11.8 ppb (11) 13.0 ppb (12) 11.7 ppb (11) 0.0 ppb (0) 20.0 ppb (15) 0.25 ppb (3) 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2020, 8 a.m. 14.0 ppb (13) 0.4 ppb (0) 15.4 ppb (14) 14.0 ppb (13) 15.4 ppb (14) 0.0 ppb (0) 19.0 ppb (15) 0.28 ppb (3) 28.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2020, 7 a.m. 22.4 ppb (21) 0.7 ppb (1) 21.5 ppb (20) 22.0 ppb (20) 21.4 ppb (20) 0.0 ppb (0) 11.0 ppb (8) 0.39 ppb (4) 34.0 μg/m3 (31) 17.0 μg/m3 (61) 61.0
 
Jan. 21, 2020, 6 a.m. 33.9 ppb (31) 4.2 ppb (4) 34.4 ppb (32) 30.0 ppb (28) 31.5 ppb (29) 0.0 ppb (0) 3.0 ppb (2) 0.56 ppb (6) 45.0 μg/m3 (41) 26.0 μg/m3 (80) 80.0
 
Jan. 21, 2020, 5 a.m. 59.6 ppb (56) 26.2 ppb (24) 56.8 ppb (53) 33.0 ppb (31) 36.1 ppb (33) 1.0 ppb (1) 1.0 ppb (1) 0.88 ppb (10) 51.0 μg/m3 (46) 23.0 μg/m3 (73) 73.0
 
Jan. 21, 2020, 4 a.m. 55.8 ppb (52) 23.9 ppb (22) 55.8 ppb (52) 32.0 ppb (30) 34.4 ppb (32) 0.0 ppb (0) 1.0 ppb (1) 0.98 ppb (11) 54.0 μg/m3 (49) 27.0 μg/m3 (82) 82.0
 
Jan. 21, 2020, 3 a.m. 49.7 ppb (46) 15.9 ppb (15) 48.7 ppb (45) 34.0 ppb (31) 34.9 ppb (32) 0.0 ppb (0) 1.0 ppb (1) 0.77 ppb (9) 51.0 μg/m3 (46) 22.0 μg/m3 (71) 71.0
 
Jan. 21, 2020, 2 a.m. 39.8 ppb (37) 5.5 ppb (5) 38.2 ppb (35) 34.0 ppb (31) 34.2 ppb (32) 0.0 ppb (0) 3.0 ppb (2) 0.67 ppb (7) 51.0 μg/m3 (46) 23.0 μg/m3 (73) 73.0
 
Jan. 21, 2020, 1 a.m. 22.8 ppb (21) 0.5 ppb (0) 21.5 ppb (20) 22.0 ppb (20) 21.3 ppb (20) 0.0 ppb (0) 18.0 ppb (14) 0.41 ppb (5) 45.0 μg/m3 (41) 13.0 μg/m3 (52) 52.0
 
Jan. 21, 2020, midnight 17.4 ppb (16) 0.6 ppb (1) 16.5 ppb (15) 17.0 ppb (16) 16.0 ppb (15) 0.0 ppb (0) 25.0 ppb (19) 0.35 ppb (4) 32.0 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 11 p.m. 13.6 ppb (13) 0.9 ppb (1) 12.6 ppb (12) 13.0 ppb (12) 11.7 ppb (11) 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) 30.0 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 10 p.m. 18.9 ppb (18) 2.7 ppb (3) 18.2 ppb (17) 16.0 ppb (15) 15.5 ppb (14) 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) 41.0 μg/m3 (37) 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2020, 9 p.m. 38.8 ppb (36) 14.9 ppb (14) 37.8 ppb (35) 24.0 ppb (22) 23.1 ppb (21) 0.0 ppb (0) 16.0 ppb (12) 0.39 ppb (4) 48.0 μg/m3 (44) 9.0 μg/m3 (38) 44.0
 
Jan. 20, 2020, 8 p.m. 40.5 ppb (38) 13.1 ppb (12) 40.0 ppb (37) 27.0 ppb (25) 26.6 ppb (25) 1.0 ppb (1) 12.0 ppb (9) 0.41 ppb (5) 45.0 μg/m3 (41) 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2020, 7 p.m. 18.2 ppb (17) 2.8 ppb (3) 17.1 ppb (16) 15.0 ppb (14) 14.4 ppb (13) 0.0 ppb (0) 22.0 ppb (17) 0.32 ppb (4) 28.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
Jan. 20, 2020, 6 p.m. 55.1 ppb (51) 26.1 ppb (24) 53.8 ppb (50) 29.0 ppb (27) 28.4 ppb (26) 1.0 ppb (1) 9.0 ppb (7) 0.5 ppb (6) 50.0 μg/m3 (45) 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 5 p.m. 93.2 ppb (92) 59.9 ppb (56) 93.7 ppb (92) 33.0 ppb (31) 34.5 ppb (32) 1.0 ppb (1) 3.0 ppb (2) 0.7 ppb (8) 51.0 μg/m3 (46) 16.0 μg/m3 (59) 92.0
 
Jan. 20, 2020, 4 p.m. 107.6 ppb (101) 76.8 ppb (74) 106.9 ppb (101) 31.0 ppb (29) 32.8 ppb (30) 1.0 ppb (1) 2.0 ppb (2) 0.75 ppb (8) 62.0 μg/m3 (54) 8.0 μg/m3 (33) 101.0
 
Jan. 20, 2020, 3 p.m. 113.8 ppb (102) 83.5 ppb (81) 113.7 ppb (102) 30.0 ppb (28) 32.5 ppb (30) 1.0 ppb (1) 1.0 ppb (1) 0.79 ppb (9) 41.0 μg/m3 (37) 10.0 μg/m3 (42) 102.0
 
Jan. 20, 2020, 2 p.m. 91.7 ppb (90) 62.0 ppb (59) 89.3 ppb (88) 30.0 ppb (28) 31.7 ppb (29) 1.0 ppb (1) 0.0 ppb (0) 0.65 ppb (7) 30.0 μg/m3 (27) 12.0 μg/m3 (50) 90.0
 
Jan. 20, 2020, 1 p.m. 65.6 ppb (62) 36.7 ppb (34) 65.1 ppb (62) 29.0 ppb (27) 29.8 ppb (28) 1.0 ppb (1) 1.0 ppb (1) 0.57 ppb (6) 36.0 μg/m3 (33) 12.0 μg/m3 (50) 62.0
 
Jan. 20, 2020, noon 57.7 ppb (54) 27.9 ppb (26) 54.6 ppb (51) 30.0 ppb (28) 30.2 ppb (28) 1.0 ppb (1) 1.0 ppb (1) 0.61 ppb (7) 36.0 μg/m3 (33) 11.0 μg/m3 (46) 54.0
 
Jan. 20, 2020, 11 a.m. 33.4 ppb (31) 5.3 ppb (5) 36.7 ppb (34) 28.0 ppb (26) 27.6 ppb (26) 0.0 ppb (0) 1.0 ppb (1) 0.51 ppb (6) 33.0 μg/m3 (30) 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2020, 10 a.m. 29.7 ppb (28) 2.8 ppb (3) 28.2 ppb (26) 27.0 ppb (25) 26.0 ppb (24) 0.0 ppb (0) 3.0 ppb (2) 0.49 ppb (5) 32.0 μg/m3 (29) 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 9 a.m. 43.6 ppb (40) 10.8 ppb (10) 40.0 ppb (37) 33.0 ppb (31) 29.5 ppb (27) 0.0 ppb (0) 1.0 ppb (1) 0.53 ppb (6) 31.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 8 a.m. 35.7 ppb (33) 3.3 ppb (3) 34.2 ppb (32) 32.0 ppb (30) 31.2 ppb (29) 0.0 ppb (0) 3.0 ppb (2) 0.55 ppb (6) 35.0 μg/m3 (32) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 7 a.m. 40.3 ppb (37) 5.2 ppb (5) 37.4 ppb (35) 35.0 ppb (32) 33.6 ppb (31) 0.0 ppb (0) 2.0 ppb (2) 0.51 ppb (6) 37.0 μg/m3 (34) 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2020, 6 a.m. 46.5 ppb (43) 9.0 ppb (8) 39.4 ppb (36) 37.0 ppb (34) 33.1 ppb (31) 1.0 ppb (1) 2.0 ppb (2) 0.53 ppb (6) 33.0 μg/m3 (30) 6.0 μg/m3 (25) 43.0
 
Jan. 20, 2020, 5 a.m. 23.0 ppb (21) 0.7 ppb (1) 19.2 ppb (18) 22.0 ppb (20) 18.8 ppb (17) 0.0 ppb (0) 16.0 ppb (12) 0.28 ppb (3) 19.0 μg/m3 (17) 3.0 μg/m3 (12) 21.0
 
Jan. 20, 2020, 4 a.m. 25.0 ppb (23) 0.7 ppb (1) 22.0 ppb (20) 24.0 ppb (22) 21.5 ppb (20) 0.0 ppb (0) 14.0 ppb (11) 0.3 ppb (3) 26.0 μg/m3 (24) 2.0 μg/m3 (8) 24.0
 
Jan. 20, 2020, 3 a.m. 13.4 ppb (12) 0.1 ppb (0) 10.5 ppb (10) 13.0 ppb (12) 10.3 ppb (10) 0.0 ppb (0) 27.0 ppb (21) 0.18 ppb (2) 15.0 μg/m3 (14) 1.0 μg/m3 (4) 21.0
 
Jan. 20, 2020, 2 a.m. 11.2 ppb (10) 0.1 ppb (0) 8.7 ppb (8) 11.0 ppb (10) 8.5 ppb (8) 0.0 ppb (0) 30.0 ppb (23) 0.17 ppb (2) 17.0 μg/m3 (15) 1.0 μg/m3 (4) 23.0
 
Jan. 20, 2020, 1 a.m. 5.2 ppb (5) 0.0 ppb (0) 3.6 ppb (3) 5.0 ppb (5) 3.4 ppb (3) 0.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) 47.0 μg/m3 (43) 2.0 μg/m3 (8) 43.0
 
Jan. 20, 2020, midnight 6.2 ppb (6) 0.2 ppb (0) 4.0 ppb (4) 6.0 ppb (6) 3.6 ppb (3) 0.0 ppb (0) 36.0 ppb (28) 0.15 ppb (2) 59.0 μg/m3 (52) 1.0 μg/m3 (4) 52.0
 
Jan. 19, 2020, 11 p.m. 8.8 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (26) 0.18 ppb (2) 22.0 μg/m3 (20) -2.0 μg/m3 (0) 26.0
 
Jan. 19, 2020, 10 p.m. 7.4 ppb (7) 0.6 ppb (1) 4.5 ppb (4) 7.0 ppb (6) 3.7 ppb (3) 0.0 ppb (0) 36.0 ppb (28) 0.16 ppb (2) 16.0 μg/m3 (15) -1.0 μg/m3 (0) 28.0
 
Jan. 19, 2020, 9 p.m. 4.7 ppb (4) 0.6 ppb (1) 2.6 ppb (2) 4.0 ppb (4) 1.6 ppb (1) 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) 15.0 μg/m3 (14) -1.0 μg/m3 (0) 31.0
 
Jan. 19, 2020, 8 p.m. 4.7 ppb (4) 0.8 ppb (1) 2.5 ppb (2) 4.0 ppb (4) 1.4 ppb (1) 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) 16.0 μg/m3 (15) -2.0 μg/m3 (0) 31.0
 
Jan. 19, 2020, 7 p.m. 6.3 ppb (6) 1.1 ppb (1) 3.8 ppb (4) 5.0 ppb (5) 2.6 ppb (2) 0.0 ppb (0) 38.0 ppb (29) 0.14 ppb (2) 27.0 μg/m3 (25) 3.0 μg/m3 (12) 29.0
 
Jan. 19, 2020, 6 p.m. 8.7 ppb (8) 1.9 ppb (2) 6.3 ppb (6) 7.0 ppb (6) 4.1 ppb (4) 0.0 ppb (0) 35.0 ppb (27) 0.15 ppb (2) 23.0 μg/m3 (21) 6.0 μg/m3 (25) 27.0
 
Jan. 19, 2020, 5 p.m. 14.2 ppb (13) 3.7 ppb (3) 11.6 ppb (11) 11.0 ppb (10) 7.7 ppb (7) 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) 17.0 μg/m3 (15) 5.0 μg/m3 (21) 22.0
 
Jan. 19, 2020, 4 p.m. 18.7 ppb (17) 4.4 ppb (4) 16.0 ppb (15) 14.0 ppb (13) 11.5 ppb (11) 0.0 ppb (0) 21.0 ppb (16) 0.22 ppb (2) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 17.0
 
Jan. 19, 2020, 3 p.m. 23.0 ppb (21) 3.3 ppb (3) 20.1 ppb (19) 20.0 ppb (19) 16.9 ppb (16) 0.0 ppb (0) 15.0 ppb (12) 0.24 ppb (3) 11.0 μg/m3 (10) 0.0 μg/m3 (0) 21.0
 
Jan. 19, 2020, 2 p.m. 22.3 ppb (21) 0.9 ppb (1) 18.8 ppb (17) 21.0 ppb (19) 18.1 ppb (17) 0.0 ppb (0) 15.0 ppb (12) 0.19 ppb (2) 10.0 μg/m3 (9) -2.0 μg/m3 (0) 21.0
 
Jan. 19, 2020, 1 p.m. 28.0 ppb (26) 1.5 ppb (1) 24.6 ppb (23) 27.0 ppb (25) 23.3 ppb (22) 0.0 ppb (0) 9.0 ppb (7) 0.19 ppb (2) 15.0 μg/m3 (14) N/A 26.0
 
Jan. 19, 2020, noon 17.9 ppb (17) 0.5 ppb (0) 16.8 ppb (16) 17.0 ppb (16) 15.8 ppb (15) 0.0 ppb (0) 17.0 ppb (13) 0.18 ppb (2) 7.0 μg/m3 (6) 0.0 μg/m3 (0) 17.0
 
Jan. 19, 2020, 11 a.m. 19.2 ppb (18) 0.7 ppb (1) 16.5 ppb (15) 19.0 ppb (18) 15.6 ppb (14) 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) 11.0 μg/m3 (10) 3.0 μg/m3 (12) 18.0
 
Jan. 19, 2020, 10 a.m. 19.9 ppb (18) 0.6 ppb (1) 16.3 ppb (15) 19.0 ppb (18) 16.0 ppb (15) 0.0 ppb (0) 15.0 ppb (12) 0.23 ppb (3) 14.0 μg/m3 (13) 1.0 μg/m3 (4) 18.0
 
Jan. 19, 2020, 9 a.m. 12.6 ppb (12) 0.3 ppb (0) 13.7 ppb (13) 12.0 ppb (11) 13.4 ppb (12) 0.0 ppb (0) 28.0 ppb (22) 0.17 ppb (2) 12.0 μg/m3 (11) -2.0 μg/m3 (0) 22.0
 
Jan. 19, 2020, 8 a.m. 2.5 ppb (2) -0.1 ppb (0) 0.0 ppb (0) 3.0 ppb (3) -0.1 ppb (0) 0.0 ppb (0) 42.0 ppb (32) 0.09 ppb (1) 9.0 μg/m3 (8) -2.0 μg/m3 (0) 32.0
 
Jan. 19, 2020, 7 a.m. 2.7 ppb (3) -0.1 ppb (0) 0.0 ppb (0) 3.0 ppb (3) -0.1 ppb (0) 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) 17.0 μg/m3 (15) -1.0 μg/m3 (0) 32.0
 
Jan. 19, 2020, 6 a.m. 4.4 ppb (4) -0.1 ppb (0) 1.8 ppb (2) 5.0 ppb (5) 1.7 ppb (2) 0.0 ppb (0) 40.0 ppb (31) 0.1 ppb (1) 38.0 μg/m3 (35) -1.0 μg/m3 (0) 35.0
 
Jan. 19, 2020, 5 a.m. 4.1 ppb (4) -0.1 ppb (0) 1.3 ppb (1) 4.0 ppb (4) 1.3 ppb (1) 0.0 ppb (0) 42.0 ppb (32) 0.12 ppb (1) 30.0 μg/m3 (27) 0.0 μg/m3 (0) 32.0
 
Jan. 19, 2020, 4 a.m. 4.1 ppb (4) -0.1 ppb (0) 1.4 ppb (1) 4.0 ppb (4) 1.3 ppb (1) 0.0 ppb (0) 42.0 ppb (32) 0.12 ppb (1) 22.0 μg/m3 (20) 0.0 μg/m3 (0) 32.0
 
Jan. 19, 2020, 3 a.m. 5.9 ppb (5) -0.1 ppb (0) 2.9 ppb (3) 6.0 ppb (6) 2.8 ppb (3) 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) 15.0 μg/m3 (14) -1.0 μg/m3 (0) 30.0
 
Jan. 19, 2020, 2 a.m. 6.3 ppb (6) 0.0 ppb (0) 3.5 ppb (3) 6.0 ppb (6) 3.3 ppb (3) 0.0 ppb (0) 40.0 ppb (31) 0.14 ppb (2) 27.0 μg/m3 (25) 2.0 μg/m3 (8) 31.0