ID: 1894

AQSQID: 060371302

Site Name: Compton

Added: April 21, 2020, 6:24 p.m.

Updated: Jan. 16, 2021, 2:31 p.m.

Location: Compton (E Compton), CA

Reporting: True, Located: True

Current AQI: 107.0

Compton (E Compton) CA, US: 33.9014, -118.205

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 9, 2021, 1 p.m. 119.2 ppb (105) 100.2 ppb (101) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 1.58 ppb (19) N/A 32.2 μg/m3 (94) 105.0
 
Jan. 9, 2021, noon 104.6 ppb (102) 87.6 ppb (87) N/A 17.0 ppb (17) N/A N/A 0.0 ppb (0) 1.61 ppb (19) N/A 33.7 μg/m3 (97) 102.0
 
Jan. 9, 2021, 11 a.m. 94.4 ppb (95) 74.7 ppb (74) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 1.48 ppb (18) N/A 35.7 μg/m3 (102) 102.0
 
Jan. 9, 2021, 10 a.m. 85.2 ppb (85) 61.3 ppb (59) N/A 24.0 ppb (23) N/A N/A 0.0 ppb (0) 1.32 ppb (15) N/A 35.2 μg/m3 (100) 100.0
 
Jan. 9, 2021, 9 a.m. 69.8 ppb (68) 43.2 ppb (41) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 1.17 ppb (14) N/A 30.5 μg/m3 (90) 90.0
 
Jan. 9, 2021, 8 a.m. 67.5 ppb (66) 39.9 ppb (38) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 1.13 ppb (13) N/A 37.9 μg/m3 (107) 107.0
 
Jan. 9, 2021, 7 a.m. 70.9 ppb (70) 43.9 ppb (42) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 1.32 ppb (15) N/A 39.1 μg/m3 (110) 110.0
 
Jan. 9, 2021, 6 a.m. 73.4 ppb (72) 42.8 ppb (41) N/A 31.0 ppb (30) N/A N/A 0.0 ppb (0) 1.22 ppb (14) N/A 33.8 μg/m3 (97) 97.0
 
Jan. 9, 2021, 5 a.m. 90.2 ppb (90) 57.9 ppb (56) N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) 1.61 ppb (19) N/A 37.0 μg/m3 (105) 105.0
 
Jan. 9, 2021, 4 a.m. 79.4 ppb (79) 46.0 ppb (44) N/A 34.0 ppb (33) N/A N/A 0.0 ppb (0) 1.44 ppb (16) N/A 33.6 μg/m3 (97) 97.0
 
Jan. 9, 2021, 3 a.m. 62.7 ppb (61) 29.6 ppb (28) N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) 1.2 ppb (14) N/A 32.6 μg/m3 (95) 95.0
 
Jan. 9, 2021, 2 a.m. 46.9 ppb (45) 12.8 ppb (13) N/A 34.0 ppb (33) N/A N/A 0.0 ppb (0) 0.79 ppb (10) N/A 18.1 μg/m3 (64) 64.0
 
Jan. 9, 2021, 1 a.m. 22.5 ppb (22) 1.6 ppb (2) N/A 21.0 ppb (20) N/A N/A 11.0 ppb (11) 0.42 ppb (5) N/A 12.2 μg/m3 (52) 52.0
 
Jan. 9, 2021, midnight 14.2 ppb (14) 1.0 ppb (1) N/A 13.0 ppb (13) N/A N/A 22.0 ppb (21) 0.23 ppb (3) N/A 12.4 μg/m3 (52) 52.0
 
Jan. 8, 2021, 11 p.m. 39.6 ppb (38) 10.6 ppb (10) N/A 29.0 ppb (28) N/A N/A 14.0 ppb (13) 0.38 ppb (5) N/A 21.6 μg/m3 (71) 71.0
 
Jan. 8, 2021, 10 p.m. 67.7 ppb (66) 28.3 ppb (27) N/A 40.0 ppb (38) N/A N/A 10.0 ppb (10) 0.55 ppb (7) N/A 29.1 μg/m3 (87) 87.0
 
Jan. 8, 2021, 9 p.m. 71.4 ppb (70) 30.2 ppb (29) N/A 41.0 ppb (39) N/A N/A 12.0 ppb (12) 0.63 ppb (7) N/A 26.4 μg/m3 (82) 82.0
 
Jan. 8, 2021, 8 p.m. 67.3 ppb (66) 31.1 ppb (30) N/A 36.0 ppb (34) N/A N/A 11.0 ppb (11) 0.61 ppb (7) N/A 25.9 μg/m3 (81) 81.0
 
Jan. 8, 2021, 7 p.m. 71.4 ppb (70) 39.1 ppb (37) N/A 33.0 ppb (32) N/A N/A 7.0 ppb (7) 0.64 ppb (7) N/A 22.7 μg/m3 (74) 74.0
 
Jan. 8, 2021, 6 p.m. 78.4 ppb (77) 47.1 ppb (45) N/A 32.0 ppb (31) N/A N/A 3.0 ppb (3) 0.67 ppb (8) N/A 21.0 μg/m3 (70) 77.0
 
Jan. 8, 2021, 5 p.m. 98.6 ppb (99) 65.4 ppb (64) N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) 0.84 ppb (10) N/A 15.0 μg/m3 (58) 99.0
 
Jan. 8, 2021, 4 p.m. 102.7 ppb (102) 70.0 ppb (69) N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) 0.88 ppb (11) N/A 12.9 μg/m3 (53) 102.0
 
Jan. 8, 2021, 3 p.m. 95.1 ppb (95) 66.5 ppb (65) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 0.98 ppb (12) N/A 13.8 μg/m3 (55) 95.0
 
Jan. 8, 2021, 2 p.m. 94.4 ppb (95) 67.3 ppb (66) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 1.0 ppb (12) N/A 17.5 μg/m3 (63) 95.0
 
Jan. 8, 2021, 1 p.m. 71.1 ppb (70) 43.9 ppb (42) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 0.75 ppb (10) N/A 12.9 μg/m3 (53) 70.0
 
Jan. 8, 2021, noon 70.8 ppb (69) 43.1 ppb (41) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 0.73 ppb (8) N/A 14.6 μg/m3 (57) 69.0
 
Jan. 8, 2021, 11 a.m. 136.3 ppb (108) 107.5 ppb (103) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 1.47 ppb (18) N/A 25.7 μg/m3 (80) 108.0
 
Jan. 8, 2021, 10 a.m. 144.5 ppb (110) 119.3 ppb (105) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 1.72 ppb (20) N/A 26.6 μg/m3 (82) 110.0
 
Jan. 8, 2021, 9 a.m. 150.5 ppb (111) 128.2 ppb (107) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 2.11 ppb (24) N/A 25.9 μg/m3 (81) 111.0
 
Jan. 8, 2021, 8 a.m. 146.8 ppb (110) 123.5 ppb (106) N/A 24.0 ppb (23) N/A N/A 0.0 ppb (0) 2.12 ppb (24) N/A 27.6 μg/m3 (84) 110.0
 
Jan. 8, 2021, 7 a.m. 129.6 ppb (107) 105.4 ppb (102) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 2.12 ppb (24) N/A 24.2 μg/m3 (77) 107.0
 
Jan. 8, 2021, 6 a.m. 108.0 ppb (103) 82.1 ppb (81) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 1.7 ppb (20) N/A 25.5 μg/m3 (80) 103.0
 
Jan. 8, 2021, 5 a.m. 75.3 ppb (74) 46.3 ppb (44) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 1.23 ppb (14) N/A 21.5 μg/m3 (71) 74.0
 
Jan. 8, 2021, 4 a.m. 55.4 ppb (53) 22.4 ppb (22) N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) 0.95 ppb (11) N/A 15.6 μg/m3 (59) 59.0
 
Jan. 8, 2021, 3 a.m. 60.0 ppb (58) 22.9 ppb (22) N/A 37.0 ppb (35) N/A N/A 0.0 ppb (0) 0.87 ppb (11) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 8, 2021, 2 a.m. 50.0 ppb (48) 9.6 ppb (10) N/A 40.0 ppb (38) N/A N/A 0.0 ppb (0) 0.79 ppb (10) N/A 21.3 μg/m3 (71) 71.0
 
Jan. 8, 2021, 1 a.m. 40.3 ppb (39) 1.8 ppb (2) N/A 39.0 ppb (37) N/A N/A 7.0 ppb (7) 0.57 ppb (7) N/A 28.2 μg/m3 (85) 85.0
 
Jan. 8, 2021, midnight 37.9 ppb (36) 4.0 ppb (4) N/A 34.0 ppb (33) N/A N/A 13.0 ppb (13) 0.51 ppb (6) N/A 20.3 μg/m3 (69) 69.0
 
Jan. 7, 2021, 11 p.m. 62.4 ppb (60) 18.1 ppb (18) N/A 45.0 ppb (43) N/A N/A 7.0 ppb (7) 0.71 ppb (8) N/A 17.6 μg/m3 (63) 63.0
 
Jan. 7, 2021, 10 p.m. 63.0 ppb (61) 19.8 ppb (19) N/A 43.0 ppb (41) N/A N/A 13.0 ppb (13) 0.75 ppb (10) N/A 21.5 μg/m3 (71) 71.0
 
Jan. 7, 2021, 9 p.m. 76.2 ppb (75) 32.4 ppb (31) N/A 44.0 ppb (42) N/A N/A 10.0 ppb (10) 0.81 ppb (10) N/A 24.8 μg/m3 (78) 78.0
 
Jan. 7, 2021, 8 p.m. 87.6 ppb (87) 39.6 ppb (38) N/A 48.0 ppb (46) N/A N/A 8.0 ppb (8) 0.92 ppb (11) N/A 31.1 μg/m3 (91) 91.0
 
Jan. 7, 2021, 7 p.m. 107.3 ppb (103) 58.2 ppb (56) N/A 49.0 ppb (47) N/A N/A 6.0 ppb (6) 0.94 ppb (11) N/A 34.1 μg/m3 (98) 103.0
 
Jan. 7, 2021, 6 p.m. 131.7 ppb (107) 77.1 ppb (76) N/A 55.0 ppb (53) N/A N/A 3.0 ppb (3) 1.13 ppb (13) N/A 37.0 μg/m3 (105) 107.0
 
Jan. 7, 2021, 5 p.m. 143.1 ppb (109) 94.3 ppb (94) N/A 49.0 ppb (47) N/A N/A 2.0 ppb (2) 1.25 ppb (14) N/A 34.0 μg/m3 (98) 109.0
 
Jan. 7, 2021, 4 p.m. 182.1 ppb (117) 144.8 ppb (110) N/A 38.0 ppb (36) N/A N/A 0.0 ppb (0) 1.88 ppb (22) N/A 28.1 μg/m3 (85) 117.0
 
Jan. 7, 2021, 3 p.m. 147.8 ppb (110) 127.7 ppb (107) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) 1.99 ppb (23) N/A 11.7 μg/m3 (49) 110.0
 
Jan. 7, 2021, 2 p.m. 84.2 ppb (84) 65.2 ppb (63) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 1.18 ppb (14) N/A 8.7 μg/m3 (37) 84.0
 
Jan. 7, 2021, 1 p.m. 57.3 ppb (55) 35.7 ppb (34) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 0.85 ppb (10) N/A 8.0 μg/m3 (34) 55.0
 
Jan. 7, 2021, noon 55.8 ppb (53) 31.2 ppb (30) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 0.74 ppb (8) N/A 9.3 μg/m3 (39) 53.0
 
Jan. 7, 2021, 11 a.m. 47.1 ppb (45) 20.1 ppb (19) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 0.56 ppb (7) N/A 11.7 μg/m3 (49) 49.0
 
Jan. 7, 2021, 10 a.m. 40.9 ppb (39) 12.2 ppb (12) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 0.48 ppb (6) N/A 15.3 μg/m3 (58) 58.0
 
Jan. 7, 2021, 9 a.m. 109.3 ppb (103) 86.2 ppb (86) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 1.3 ppb (15) N/A 20.0 μg/m3 (68) 103.0
 
Jan. 7, 2021, 8 a.m. 107.2 ppb (103) 88.3 ppb (88) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 1.66 ppb (20) N/A 27.6 μg/m3 (84) 103.0
 
Jan. 7, 2021, 7 a.m. 113.9 ppb (104) 93.1 ppb (93) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) 1.76 ppb (21) N/A 25.4 μg/m3 (79) 104.0
 
Jan. 7, 2021, 6 a.m. 107.8 ppb (103) 85.7 ppb (85) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 1.73 ppb (20) N/A 32.8 μg/m3 (95) 103.0
 
Jan. 7, 2021, 5 a.m. 68.8 ppb (67) 44.0 ppb (42) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 1.36 ppb (16) N/A 37.0 μg/m3 (105) 105.0
 
Jan. 7, 2021, 4 a.m. 64.1 ppb (62) 34.4 ppb (33) N/A 30.0 ppb (29) N/A N/A 0.0 ppb (0) 0.96 ppb (12) N/A 17.8 μg/m3 (63) 63.0
 
Jan. 7, 2021, 3 a.m. 57.3 ppb (55) 24.9 ppb (24) N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) 0.9 ppb (11) N/A 15.6 μg/m3 (59) 59.0
 
Jan. 7, 2021, 2 a.m. 30.6 ppb (29) 3.4 ppb (4) N/A 27.0 ppb (26) N/A N/A 4.0 ppb (4) 0.47 ppb (6) N/A 13.2 μg/m3 (54) 54.0
 
Jan. 7, 2021, 1 a.m. 19.9 ppb (19) 0.9 ppb (1) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (13) 0.34 ppb (4) N/A 12.2 μg/m3 (52) 52.0
 
Jan. 7, 2021, midnight 19.6 ppb (19) 1.7 ppb (2) N/A 18.0 ppb (17) N/A N/A 18.0 ppb (17) 0.24 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
Jan. 6, 2021, 11 p.m. 18.1 ppb (18) 2.6 ppb (3) N/A 16.0 ppb (16) N/A N/A 24.0 ppb (23) 0.24 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
Jan. 6, 2021, 10 p.m. 22.2 ppb (21) 4.4 ppb (5) N/A 18.0 ppb (17) N/A N/A 25.0 ppb (24) 0.29 ppb (4) N/A 10.6 μg/m3 (45) 45.0
 
Jan. 6, 2021, 9 p.m. 28.7 ppb (28) 7.5 ppb (8) N/A 21.0 ppb (20) N/A N/A 23.0 ppb (22) 0.39 ppb (5) N/A 18.1 μg/m3 (64) 64.0
 
Jan. 6, 2021, 8 p.m. 41.6 ppb (40) 12.5 ppb (12) N/A 29.0 ppb (28) N/A N/A 21.0 ppb (20) 0.53 ppb (6) N/A 25.9 μg/m3 (81) 81.0
 
Jan. 6, 2021, 7 p.m. 70.2 ppb (69) 31.5 ppb (30) N/A 39.0 ppb (37) N/A N/A 11.0 ppb (11) 0.87 ppb (11) N/A 24.3 μg/m3 (77) 77.0
 
Jan. 6, 2021, 6 p.m. 124.4 ppb (106) 74.8 ppb (74) N/A 50.0 ppb (48) N/A N/A 4.0 ppb (4) 1.39 ppb (16) N/A 34.1 μg/m3 (98) 106.0
 
Jan. 6, 2021, 5 p.m. 188.5 ppb (118) 137.0 ppb (108) N/A 52.0 ppb (50) N/A N/A 1.0 ppb (1) 1.84 ppb (21) N/A 36.5 μg/m3 (104) 118.0
 
Jan. 6, 2021, 4 p.m. 233.1 ppb (126) 190.2 ppb (118) N/A 44.0 ppb (42) N/A N/A 0.0 ppb (0) 2.6 ppb (30) N/A 45.5 μg/m3 (126) 126.0
 
Jan. 6, 2021, 3 p.m. 234.1 ppb (127) 212.2 ppb (123) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 3.14 ppb (36) N/A 30.3 μg/m3 (90) 127.0
 
Jan. 6, 2021, 2 p.m. 208.1 ppb (122) 189.9 ppb (118) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 2.85 ppb (33) N/A 33.2 μg/m3 (96) 122.0
 
Jan. 6, 2021, 1 p.m. 173.4 ppb (115) 155.0 ppb (112) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 2.2 ppb (25) N/A 36.7 μg/m3 (104) 115.0
 
Jan. 6, 2021, noon 155.9 ppb (112) 140.5 ppb (109) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 2.09 ppb (24) N/A 35.5 μg/m3 (101) 112.0
 
Jan. 6, 2021, 11 a.m. 134.9 ppb (108) 118.2 ppb (105) N/A 17.0 ppb (17) N/A N/A 0.0 ppb (0) 1.93 ppb (22) N/A 31.3 μg/m3 (92) 108.0
 
Jan. 6, 2021, 10 a.m. 136.9 ppb (108) 116.0 ppb (104) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) 1.93 ppb (22) N/A 29.8 μg/m3 (89) 108.0
 
Jan. 6, 2021, 9 a.m. 125.6 ppb (106) 104.8 ppb (102) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) 1.91 ppb (22) N/A 32.5 μg/m3 (94) 106.0
 
Jan. 6, 2021, 8 a.m. 119.0 ppb (105) 96.3 ppb (97) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 1.93 ppb (22) N/A 33.3 μg/m3 (96) 105.0
 
Jan. 6, 2021, 7 a.m. 95.1 ppb (95) 71.0 ppb (70) N/A 24.0 ppb (23) N/A N/A 0.0 ppb (0) 1.67 ppb (20) N/A 26.4 μg/m3 (82) 95.0
 
Jan. 6, 2021, 6 a.m. 84.8 ppb (84) 57.1 ppb (55) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 1.41 ppb (16) N/A 25.9 μg/m3 (81) 84.0
 
Jan. 6, 2021, 5 a.m. 69.8 ppb (68) 41.7 ppb (40) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 1.08 ppb (13) N/A 21.2 μg/m3 (71) 71.0
 
Jan. 6, 2021, 4 a.m. 56.7 ppb (54) 27.7 ppb (27) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 1.01 ppb (12) N/A 17.8 μg/m3 (63) 63.0
 
Jan. 6, 2021, 3 a.m. 50.1 ppb (48) 16.6 ppb (16) N/A 34.0 ppb (33) N/A N/A 0.0 ppb (0) 0.8 ppb (10) N/A 15.3 μg/m3 (58) 58.0
 
Jan. 6, 2021, 2 a.m. 35.9 ppb (34) 6.3 ppb (6) N/A 30.0 ppb (29) N/A N/A 0.0 ppb (0) 0.77 ppb (10) N/A 12.7 μg/m3 (53) 53.0
 
Jan. 6, 2021, 1 a.m. 20.7 ppb (20) 1.1 ppb (2) N/A 20.0 ppb (19) N/A N/A 12.0 ppb (12) 0.39 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 6, 2021, midnight 15.4 ppb (15) 0.9 ppb (1) N/A 15.0 ppb (15) N/A N/A 20.0 ppb (19) 0.26 ppb (4) N/A 11.5 μg/m3 (48) 48.0
 
Jan. 5, 2021, 11 p.m. 16.9 ppb (16) 2.7 ppb (3) N/A 14.0 ppb (14) N/A N/A 21.0 ppb (20) 0.28 ppb (4) N/A 17.8 μg/m3 (63) 63.0
 
Jan. 5, 2021, 10 p.m. 23.8 ppb (23) 6.1 ppb (6) N/A 18.0 ppb (17) N/A N/A 20.0 ppb (19) 0.36 ppb (5) N/A 21.3 μg/m3 (71) 71.0
 
Jan. 5, 2021, 9 p.m. 42.8 ppb (41) 15.8 ppb (15) N/A 27.0 ppb (26) N/A N/A 14.0 ppb (13) 0.57 ppb (7) N/A 29.6 μg/m3 (88) 88.0
 
Jan. 5, 2021, 8 p.m. 39.5 ppb (38) 14.2 ppb (14) N/A 25.0 ppb (24) N/A N/A 17.0 ppb (16) 0.57 ppb (7) N/A 30.4 μg/m3 (90) 90.0
 
Jan. 5, 2021, 7 p.m. 35.3 ppb (34) 13.1 ppb (13) N/A 22.0 ppb (21) N/A N/A 14.0 ppb (13) 0.51 ppb (6) N/A 31.4 μg/m3 (92) 92.0
 
Jan. 5, 2021, 6 p.m. 36.8 ppb (35) 16.2 ppb (16) N/A 21.0 ppb (20) N/A N/A 10.0 ppb (10) 0.48 ppb (6) N/A N/A 35.0
 
Jan. 5, 2021, 5 p.m. 33.0 ppb (32) 11.6 ppb (11) N/A 21.0 ppb (20) N/A N/A 5.0 ppb (5) 0.41 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 5, 2021, 4 p.m. 31.4 ppb (30) 9.5 ppb (9) N/A 22.0 ppb (21) N/A N/A 4.0 ppb (4) 0.37 ppb (5) N/A 18.3 μg/m3 (65) 65.0
 
Jan. 5, 2021, 3 p.m. 49.3 ppb (47) 24.8 ppb (24) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 0.56 ppb (7) N/A 23.7 μg/m3 (76) 76.0
 
Jan. 5, 2021, 2 p.m. 32.0 ppb (31) 11.8 ppb (12) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (3) 0.43 ppb (5) N/A 17.3 μg/m3 (62) 62.0
 
Jan. 5, 2021, 1 p.m. 68.0 ppb (66) 42.7 ppb (41) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 0.72 ppb (8) N/A 11.5 μg/m3 (48) 66.0
 
Jan. 5, 2021, noon 87.1 ppb (87) 61.8 ppb (60) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 0.79 ppb (10) N/A 23.0 μg/m3 (74) 87.0
 
Jan. 5, 2021, 11 a.m. 79.0 ppb (78) 53.0 ppb (50) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 0.76 ppb (10) N/A 17.8 μg/m3 (63) 78.0
 
Jan. 5, 2021, 10 a.m. 67.3 ppb (66) 40.1 ppb (38) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 0.69 ppb (8) N/A 25.4 μg/m3 (79) 79.0
 
Jan. 5, 2021, 9 a.m. 14.1 ppb (14) 1.3 ppb (2) N/A 13.0 ppb (13) N/A N/A 7.0 ppb (7) 0.25 ppb (3) N/A 12.4 μg/m3 (52) 52.0
 
Jan. 5, 2021, 8 a.m. 10.5 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 15.0 ppb (14) 0.18 ppb (3) N/A 13.2 μg/m3 (54) 54.0
 
Jan. 5, 2021, 7 a.m. 14.1 ppb (14) 0.9 ppb (1) N/A 13.0 ppb (13) N/A N/A 13.0 ppb (13) 0.21 ppb (3) N/A 12.2 μg/m3 (52) 52.0
 
Jan. 5, 2021, 6 a.m. 15.6 ppb (15) 1.1 ppb (2) N/A 15.0 ppb (15) N/A N/A 11.0 ppb (11) 0.22 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
Jan. 5, 2021, 5 a.m. 7.7 ppb (8) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 19.0 ppb (18) 0.15 ppb (2) N/A 4.9 μg/m3 (21) 21.0
 
Jan. 5, 2021, 4 a.m. 5.5 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) 0.14 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
Jan. 5, 2021, 3 a.m. 6.6 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (21) 0.15 ppb (2) N/A 7.4 μg/m3 (31) 31.0
 
Jan. 5, 2021, 2 a.m. 10.5 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) 0.19 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
Jan. 5, 2021, 1 a.m. 14.2 ppb (14) 0.8 ppb (1) N/A 13.0 ppb (13) N/A N/A 16.0 ppb (15) 0.31 ppb (4) N/A 6.6 μg/m3 (28) 28.0
 
Jan. 5, 2021, midnight 8.3 ppb (8) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A 24.0 ppb (23) 0.17 ppb (3) N/A 8.8 μg/m3 (37) 37.0
 
Jan. 4, 2021, 11 p.m. 7.9 ppb (8) 1.2 ppb (2) N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) 0.16 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
Jan. 4, 2021, 10 p.m. 6.0 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) 0.15 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
Jan. 4, 2021, 9 p.m. 7.1 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) 0.16 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
Jan. 4, 2021, 8 p.m. 18.3 ppb (18) 5.2 ppb (5) N/A 13.0 ppb (13) N/A N/A 24.0 ppb (23) 0.33 ppb (4) N/A 18.8 μg/m3 (66) 66.0
 
Jan. 4, 2021, 7 p.m. 24.9 ppb (24) 8.1 ppb (8) N/A 17.0 ppb (17) N/A N/A 20.0 ppb (19) 0.41 ppb (5) N/A 28.9 μg/m3 (87) 87.0
 
Jan. 4, 2021, 6 p.m. 27.0 ppb (26) 10.0 ppb (10) N/A 17.0 ppb (17) N/A N/A 14.0 ppb (13) 0.43 ppb (5) N/A 31.1 μg/m3 (91) 91.0
 
Jan. 4, 2021, 5 p.m. 66.4 ppb (65) 38.1 ppb (36) N/A 28.0 ppb (27) N/A N/A 4.0 ppb (4) 0.7 ppb (8) N/A 34.2 μg/m3 (98) 98.0
 
Jan. 4, 2021, 4 p.m. 121.6 ppb (105) 92.7 ppb (93) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 1.36 ppb (16) N/A 30.3 μg/m3 (90) 105.0
 
Jan. 4, 2021, 3 p.m. 102.2 ppb (102) 84.5 ppb (84) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 1.55 ppb (19) N/A 23.1 μg/m3 (75) 102.0
 
Jan. 4, 2021, 2 p.m. 101.8 ppb (102) 81.7 ppb (81) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 1.37 ppb (16) N/A 18.7 μg/m3 (65) 102.0
 
Jan. 4, 2021, 1 p.m. 142.7 ppb (109) 123.3 ppb (106) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 1.89 ppb (22) N/A 24.4 μg/m3 (77) 109.0
 
Jan. 4, 2021, noon 92.6 ppb (93) 78.0 ppb (77) N/A 15.0 ppb (15) N/A N/A 0.0 ppb (0) 1.53 ppb (18) N/A 37.9 μg/m3 (107) 107.0
 
Jan. 4, 2021, 11 a.m. 86.3 ppb (86) 71.6 ppb (70) N/A 15.0 ppb (15) N/A N/A 0.0 ppb (0) 1.58 ppb (19) N/A 31.3 μg/m3 (92) 92.0
 
Jan. 4, 2021, 10 a.m. 77.8 ppb (77) 62.0 ppb (60) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 1.47 ppb (18) N/A 19.2 μg/m3 (66) 77.0
 
Jan. 4, 2021, 9 a.m. 73.2 ppb (72) 56.2 ppb (54) N/A 17.0 ppb (17) N/A N/A 0.0 ppb (0) 1.47 ppb (18) N/A 24.9 μg/m3 (78) 78.0
 
Jan. 4, 2021, 8 a.m. 76.4 ppb (75) 58.2 ppb (56) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 1.6 ppb (19) N/A 35.0 μg/m3 (100) 100.0
 
Jan. 4, 2021, 7 a.m. 56.2 ppb (54) 37.0 ppb (35) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 1.37 ppb (16) N/A 26.8 μg/m3 (82) 82.0
 
Jan. 4, 2021, 6 a.m. 60.0 ppb (58) 36.7 ppb (35) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 1.15 ppb (13) N/A 28.9 μg/m3 (87) 87.0
 
Jan. 4, 2021, 5 a.m. 48.0 ppb (46) 22.5 ppb (22) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 1.14 ppb (13) N/A 54.2 μg/m3 (148) 148.0
 
Jan. 4, 2021, 4 a.m. 24.5 ppb (24) 4.4 ppb (5) N/A 20.0 ppb (19) N/A N/A 9.0 ppb (9) 0.65 ppb (8) N/A 24.5 μg/m3 (78) 78.0
 
Jan. 4, 2021, 3 a.m. 16.6 ppb (16) 1.2 ppb (2) N/A 15.0 ppb (15) N/A N/A 12.0 ppb (12) 0.41 ppb (5) N/A 12.9 μg/m3 (53) 53.0
 
Jan. 4, 2021, 2 a.m. 10.7 ppb (11) 0.6 ppb (1) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) 0.24 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 4, 2021, 1 a.m. 8.9 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) 0.22 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
Jan. 4, 2021, midnight 10.2 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 24.0 ppb (23) 0.19 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 3, 2021, 11 p.m. 11.7 ppb (12) 1.7 ppb (2) N/A 10.0 ppb (10) N/A N/A 24.0 ppb (23) 0.17 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 3, 2021, 10 p.m. 11.4 ppb (11) 2.6 ppb (3) N/A 9.0 ppb (9) N/A N/A 25.0 ppb (24) 0.17 ppb (3) N/A 15.6 μg/m3 (59) 59.0
 
Jan. 3, 2021, 9 p.m. 8.6 ppb (9) 2.2 ppb (3) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) 0.17 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
Jan. 3, 2021, 8 p.m. 9.4 ppb (9) 2.5 ppb (3) N/A 7.0 ppb (7) N/A N/A 24.0 ppb (23) 0.2 ppb (3) N/A 16.1 μg/m3 (60) 60.0
 
Jan. 3, 2021, 7 p.m. 16.0 ppb (16) 4.3 ppb (5) N/A 12.0 ppb (12) N/A N/A 18.0 ppb (17) 0.31 ppb (4) N/A 19.3 μg/m3 (67) 67.0
 
Jan. 3, 2021, 6 p.m. 25.4 ppb (24) 7.5 ppb (8) N/A 18.0 ppb (17) N/A N/A 11.0 ppb (11) 0.41 ppb (5) N/A 21.9 μg/m3 (72) 72.0
 
Jan. 3, 2021, 5 p.m. 37.0 ppb (35) 15.6 ppb (15) N/A 22.0 ppb (21) N/A N/A 5.0 ppb (5) 0.54 ppb (6) N/A 24.2 μg/m3 (77) 77.0
 
Jan. 3, 2021, 4 p.m. 41.6 ppb (40) 20.8 ppb (20) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) 0.64 ppb (7) N/A 22.2 μg/m3 (73) 73.0
 
Jan. 3, 2021, 3 p.m. 30.1 ppb (29) 10.4 ppb (10) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.54 ppb (6) N/A 19.2 μg/m3 (66) 66.0
 
Jan. 3, 2021, 2 p.m. 25.3 ppb (24) 5.0 ppb (5) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.52 ppb (6) N/A 16.5 μg/m3 (61) 61.0
 
Jan. 3, 2021, 1 p.m. 26.3 ppb (25) 7.4 ppb (7) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 0.52 ppb (6) N/A 19.7 μg/m3 (67) 67.0
 
Jan. 3, 2021, noon 28.1 ppb (27) 8.4 ppb (8) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.57 ppb (7) N/A 27.6 μg/m3 (84) 84.0
 
Jan. 3, 2021, 11 a.m. 54.7 ppb (52) 37.4 ppb (36) N/A 17.0 ppb (17) N/A N/A 0.0 ppb (0) 1.17 ppb (14) N/A 38.6 μg/m3 (109) 109.0
 
Jan. 3, 2021, 10 a.m. 81.5 ppb (81) 65.2 ppb (63) N/A 17.0 ppb (17) N/A N/A 0.0 ppb (0) 1.78 ppb (21) N/A 54.4 μg/m3 (148) 148.0
 
Jan. 3, 2021, 9 a.m. 92.8 ppb (93) 78.8 ppb (78) N/A 14.0 ppb (14) N/A N/A 0.0 ppb (0) 2.39 ppb (28) N/A 69.1 μg/m3 (159) 159.0
 
Jan. 3, 2021, 8 a.m. 89.9 ppb (90) 74.5 ppb (73) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 2.29 ppb (27) N/A 57.8 μg/m3 (153) 153.0
 
Jan. 3, 2021, 7 a.m. 78.9 ppb (78) 61.1 ppb (59) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 2.11 ppb (24) N/A 54.2 μg/m3 (148) 148.0
 
Jan. 3, 2021, 6 a.m. 61.5 ppb (59) 40.5 ppb (39) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) 1.49 ppb (18) N/A 40.4 μg/m3 (114) 114.0
 
Jan. 3, 2021, 5 a.m. 37.7 ppb (36) 13.7 ppb (13) N/A 24.0 ppb (23) N/A N/A 0.0 ppb (0) 1.1 ppb (13) N/A 32.6 μg/m3 (95) 95.0
 
Jan. 3, 2021, 4 a.m. 25.0 ppb (24) 3.4 ppb (4) N/A 22.0 ppb (21) N/A N/A 3.0 ppb (3) 0.55 ppb (7) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 3, 2021, 3 a.m. 15.7 ppb (15) 1.5 ppb (2) N/A 14.0 ppb (14) N/A N/A 11.0 ppb (11) 0.36 ppb (5) N/A 15.1 μg/m3 (58) 58.0
 
Jan. 3, 2021, 2 a.m. 18.3 ppb (18) 1.9 ppb (2) N/A 16.0 ppb (16) N/A N/A 12.0 ppb (12) 0.37 ppb (5) N/A 12.2 μg/m3 (52) 52.0
 
Jan. 3, 2021, 1 a.m. 15.3 ppb (15) 0.9 ppb (1) N/A 14.0 ppb (14) N/A N/A 17.0 ppb (16) 0.31 ppb (4) N/A 10.3 μg/m3 (43) 43.0
 
Jan. 3, 2021, midnight 12.9 ppb (13) 1.0 ppb (1) N/A 12.0 ppb (12) N/A N/A 21.0 ppb (20) 0.27 ppb (4) N/A 8.3 μg/m3 (35) 35.0
 
Jan. 2, 2021, 11 p.m. 12.4 ppb (12) 1.4 ppb (2) N/A 11.0 ppb (11) N/A N/A 24.0 ppb (23) 0.24 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 2, 2021, 10 p.m. 16.5 ppb (16) 3.0 ppb (3) N/A 14.0 ppb (14) N/A N/A 24.0 ppb (23) 0.21 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
Jan. 2, 2021, 9 p.m. 15.8 ppb (15) 3.9 ppb (4) N/A 12.0 ppb (12) N/A N/A 25.0 ppb (24) 0.22 ppb (3) N/A 8.3 μg/m3 (35) 35.0
 
Jan. 2, 2021, 8 p.m. 13.7 ppb (13) 3.6 ppb (4) N/A 10.0 ppb (10) N/A N/A 26.0 ppb (25) 0.25 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
Jan. 2, 2021, 7 p.m. 16.3 ppb (16) 5.3 ppb (5) N/A 11.0 ppb (11) N/A N/A 22.0 ppb (21) 0.26 ppb (4) N/A 17.8 μg/m3 (63) 63.0
 
Jan. 2, 2021, 6 p.m. 29.2 ppb (28) 11.3 ppb (11) N/A 18.0 ppb (17) N/A N/A 14.0 ppb (13) 0.38 ppb (5) N/A 16.5 μg/m3 (61) 61.0
 
Jan. 2, 2021, 5 p.m. 57.8 ppb (56) 31.4 ppb (30) N/A 27.0 ppb (26) N/A N/A 5.0 ppb (5) 0.67 ppb (8) N/A 18.9 μg/m3 (66) 66.0
 
Jan. 2, 2021, 4 p.m. 81.5 ppb (81) 54.5 ppb (52) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 1.02 ppb (12) N/A 17.4 μg/m3 (63) 81.0
 
Jan. 2, 2021, 3 p.m. 98.0 ppb (98) 75.4 ppb (74) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 1.2 ppb (14) N/A 20.1 μg/m3 (68) 98.0
 
Jan. 2, 2021, 2 p.m. 75.4 ppb (74) 53.9 ppb (51) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 0.99 ppb (12) N/A 20.4 μg/m3 (69) 74.0