ID: 149

AQSQID: 060371103

Site Name: Los Angeles - N. Main Street

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

Updated: Jan. 27, 2022, 7:34 a.m.

Location: Los Angeles (Central City E), CA

Reporting: True, Located: True

Current AQI: 45.0

Los Angeles (Central City E) CA, US: 34.066429, -118.226755

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 27, 2022, 6 a.m. 47.7 ppb (45) 8.2 ppb (8) 43.1 ppb (41) 40.0 ppb (38) 36.0 ppb (34) 0.0 ppb (0) 2.0 ppb (2) 0.62 ppb (7) 27.0 μg/m3 (25) 10.1 μg/m3 (43) 45.0
 
Jan. 27, 2022, 5 a.m. 66.6 ppb (65) 22.0 ppb (21) 63.0 ppb (61) 45.0 ppb (43) 41.5 ppb (40) 0.0 ppb (0) 1.0 ppb (1) 0.84 ppb (10) 36.0 μg/m3 (34) 12.6 μg/m3 (53) 65.0
 
Jan. 27, 2022, 4 a.m. 81.5 ppb (81) 34.1 ppb (33) 76.3 ppb (75) 48.0 ppb (46) 43.7 ppb (42) 0.0 ppb (0) 1.0 ppb (1) 1.03 ppb (12) 49.0 μg/m3 (46) 17.8 μg/m3 (63) 81.0
 
Jan. 27, 2022, 3 a.m. 59.4 ppb (57) 12.6 ppb (12) 58.8 ppb (57) 47.0 ppb (45) 44.1 ppb (42) 0.0 ppb (0) 3.0 ppb (3) 0.78 ppb (10) 40.0 μg/m3 (38) 14.3 μg/m3 (56) 57.0
 
Jan. 27, 2022, 2 a.m. 44.8 ppb (43) 1.7 ppb (2) 39.4 ppb (38) 43.0 ppb (41) 38.2 ppb (37) 0.0 ppb (0) 11.0 ppb (11) 0.61 ppb (7) 37.0 μg/m3 (35) 12.6 μg/m3 (53) 53.0
 
Jan. 27, 2022, 1 a.m. 38.8 ppb (37) 1.6 ppb (2) 33.5 ppb (32) 37.0 ppb (35) 32.4 ppb (31) 0.0 ppb (0) 18.0 ppb (17) 0.54 ppb (6) 38.0 μg/m3 (36) 15.8 μg/m3 (59) 59.0
 
Jan. 27, 2022, midnight 32.1 ppb (31) 2.6 ppb (3) 28.1 ppb (27) 30.0 ppb (29) 25.4 ppb (24) 0.0 ppb (0) 25.0 ppb (24) 0.44 ppb (5) 38.0 μg/m3 (36) 7.9 μg/m3 (33) 36.0
 
Jan. 26, 2022, 11 p.m. 17.0 ppb (17) 2.0 ppb (2) 13.3 ppb (13) 15.0 ppb (15) 10.9 ppb (11) 0.0 ppb (0) 39.0 ppb (37) 0.23 ppb (3) 18.0 μg/m3 (17) 4.0 μg/m3 (17) 37.0
 
Jan. 26, 2022, 10 p.m. 14.0 ppb (14) 2.0 ppb (2) 10.1 ppb (10) 12.0 ppb (12) 7.6 ppb (8) 0.0 ppb (0) 42.0 ppb (39) 0.19 ppb (3) 14.0 μg/m3 (13) 3.8 μg/m3 (16) 39.0
 
Jan. 26, 2022, 9 p.m. 12.1 ppb (12) 1.9 ppb (2) 8.0 ppb (8) 10.0 ppb (10) 5.6 ppb (6) 0.0 ppb (0) 43.0 ppb (40) 0.19 ppb (3) 18.0 μg/m3 (17) 3.8 μg/m3 (16) 40.0
 
Jan. 26, 2022, 8 p.m. 13.6 ppb (13) 2.6 ppb (3) 9.0 ppb (9) 11.0 ppb (11) 6.3 ppb (6) 0.0 ppb (0) 41.0 ppb (38) 0.2 ppb (3) 18.0 μg/m3 (17) 4.8 μg/m3 (20) 38.0
 
Jan. 26, 2022, 7 p.m. 22.4 ppb (22) 5.6 ppb (6) 17.3 ppb (17) 17.0 ppb (17) 11.7 ppb (12) 0.0 ppb (0) 34.0 ppb (32) 0.27 ppb (4) 20.0 μg/m3 (19) 8.5 μg/m3 (36) 36.0
 
Jan. 26, 2022, 6 p.m. 46.4 ppb (44) 17.6 ppb (17) 40.7 ppb (39) 29.0 ppb (28) 23.0 ppb (22) 0.0 ppb (0) 20.0 ppb (19) 0.49 ppb (6) 31.0 μg/m3 (29) 10.9 μg/m3 (46) 46.0
 
Jan. 26, 2022, 5 p.m. 87.6 ppb (87) 47.5 ppb (45) 75.5 ppb (74) 40.0 ppb (38) 33.7 ppb (32) 0.0 ppb (0) 8.0 ppb (8) 0.83 ppb (10) 45.0 μg/m3 (42) 17.6 μg/m3 (63) 87.0
 
Jan. 26, 2022, 4 p.m. 159.7 ppb (113) 116.8 ppb (104) 143.2 ppb (109) 43.0 ppb (41) 34.9 ppb (33) 1.0 ppb (2) 2.0 ppb (2) 1.31 ppb (15) 59.0 μg/m3 (53) 20.7 μg/m3 (70) 113.0
 
Jan. 26, 2022, 3 p.m. 155.2 ppb (112) 117.0 ppb (105) 135.4 ppb (108) 39.0 ppb (37) 28.9 ppb (28) 1.0 ppb (2) 1.0 ppb (1) 1.24 ppb (14) 43.0 μg/m3 (40) 16.3 μg/m3 (60) 112.0
 
Jan. 26, 2022, 2 p.m. 129.3 ppb (107) 93.3 ppb (93) 110.5 ppb (103) 36.0 ppb (34) 28.3 ppb (27) 1.0 ppb (2) 1.0 ppb (1) 1.03 ppb (12) 38.0 μg/m3 (36) 16.3 μg/m3 (60) 107.0
 
Jan. 26, 2022, 1 p.m. 87.1 ppb (87) 52.2 ppb (50) 78.3 ppb (77) 35.0 ppb (34) 24.6 ppb (24) 0.0 ppb (0) 1.0 ppb (1) 0.83 ppb (10) 33.0 μg/m3 (31) 19.0 μg/m3 (66) 87.0
 
Jan. 26, 2022, noon 67.1 ppb (65) 30.3 ppb (29) 56.5 ppb (54) 37.0 ppb (35) 30.3 ppb (29) 0.0 ppb (0) 1.0 ppb (1) 0.65 ppb (8) 31.0 μg/m3 (29) 16.0 μg/m3 (60) 65.0
 
Jan. 26, 2022, 11 a.m. 56.6 ppb (54) 19.4 ppb (19) 47.6 ppb (45) 37.0 ppb (35) 27.3 ppb (26) 0.0 ppb (0) 1.0 ppb (1) 0.62 ppb (7) 33.0 μg/m3 (31) 14.3 μg/m3 (56) 56.0
 
Jan. 26, 2022, 10 a.m. 54.8 ppb (52) 17.4 ppb (17) 44.1 ppb (42) 38.0 ppb (36) 30.3 ppb (29) 0.0 ppb (0) 1.0 ppb (1) 0.57 ppb (7) 31.0 μg/m3 (29) 16.0 μg/m3 (60) 60.0
 
Jan. 26, 2022, 9 a.m. 63.6 ppb (62) 24.9 ppb (24) 51.2 ppb (49) 39.0 ppb (37) 29.4 ppb (28) 0.0 ppb (0) 1.0 ppb (1) 0.69 ppb (8) 35.0 μg/m3 (33) 16.6 μg/m3 (61) 62.0
 
Jan. 26, 2022, 8 a.m. 68.1 ppb (67) 29.7 ppb (29) 67.7 ppb (66) 39.0 ppb (37) 35.8 ppb (34) 0.0 ppb (0) 1.0 ppb (1) 0.81 ppb (10) 38.0 μg/m3 (36) 16.6 μg/m3 (61) 67.0
 
Jan. 26, 2022, 7 a.m. 74.2 ppb (73) 36.8 ppb (35) 72.7 ppb (71) 38.0 ppb (36) 35.5 ppb (34) 0.0 ppb (0) 1.0 ppb (1) 0.96 ppb (12) 45.0 μg/m3 (42) 17.3 μg/m3 (62) 73.0
 
Jan. 26, 2022, 6 a.m. 85.2 ppb (85) 45.0 ppb (43) 77.0 ppb (76) 40.0 ppb (38) 37.8 ppb (36) 0.0 ppb (0) 1.0 ppb (1) 1.05 ppb (13) 51.0 μg/m3 (48) 19.2 μg/m3 (66) 85.0
 
Jan. 26, 2022, 5 a.m. 63.5 ppb (62) 20.9 ppb (20) 61.7 ppb (60) 43.0 ppb (41) 39.9 ppb (38) 0.0 ppb (0) 1.0 ppb (1) 0.96 ppb (12) 51.0 μg/m3 (48) 14.6 μg/m3 (57) 62.0
 
Jan. 26, 2022, 4 a.m. 52.9 ppb (50) 11.9 ppb (12) 45.9 ppb (44) 41.0 ppb (39) 36.0 ppb (34) 0.0 ppb (0) 5.0 ppb (5) 0.84 ppb (10) 47.0 μg/m3 (44) 19.5 μg/m3 (67) 67.0
 
Jan. 26, 2022, 3 a.m. 39.6 ppb (38) 1.2 ppb (2) 34.0 ppb (33) 39.0 ppb (37) 33.5 ppb (32) 0.0 ppb (0) 10.0 ppb (10) 0.7 ppb (8) 43.0 μg/m3 (40) 18.1 μg/m3 (64) 64.0
 
Jan. 26, 2022, 2 a.m. 30.7 ppb (29) 0.7 ppb (1) 25.7 ppb (25) 30.0 ppb (29) 25.2 ppb (24) 0.0 ppb (0) 22.0 ppb (21) 0.5 ppb (6) 41.0 μg/m3 (38) 11.4 μg/m3 (48) 48.0
 
Jan. 26, 2022, 1 a.m. 26.2 ppb (25) 0.7 ppb (1) 20.0 ppb (19) 26.0 ppb (25) 19.6 ppb (19) 0.0 ppb (0) 29.0 ppb (27) 0.42 ppb (5) 35.0 μg/m3 (33) 10.4 μg/m3 (44) 44.0
 
Jan. 26, 2022, midnight 23.8 ppb (23) 1.6 ppb (2) 19.5 ppb (19) 22.0 ppb (21) 17.8 ppb (17) 0.0 ppb (0) 32.0 ppb (30) 0.37 ppb (5) 29.0 μg/m3 (27) 13.8 μg/m3 (55) 55.0
 
Jan. 25, 2022, 11 p.m. 25.7 ppb (25) 3.5 ppb (4) 19.9 ppb (19) 22.0 ppb (21) 16.1 ppb (16) 1.0 ppb (2) 34.0 ppb (32) 0.38 ppb (5) 42.0 μg/m3 (39) 16.1 μg/m3 (60) 60.0
 
Jan. 25, 2022, 10 p.m. 27.5 ppb (26) 4.1 ppb (4) 22.6 ppb (22) 23.0 ppb (22) 18.0 ppb (17) 0.0 ppb (0) 40.0 ppb (38) 0.37 ppb (5) 38.0 μg/m3 (36) 17.1 μg/m3 (62) 62.0
 
Jan. 25, 2022, 9 p.m. 32.4 ppb (31) 6.4 ppb (7) 27.9 ppb (27) 26.0 ppb (25) 20.9 ppb (20) 0.0 ppb (0) 37.0 ppb (35) 0.42 ppb (5) 39.0 μg/m3 (37) 18.3 μg/m3 (65) 65.0
 
Jan. 25, 2022, 8 p.m. 45.6 ppb (44) 13.1 ppb (13) 40.5 ppb (39) 33.0 ppb (32) 27.0 ppb (26) 1.0 ppb (2) 27.0 ppb (25) 0.43 ppb (5) 41.0 μg/m3 (38) 19.2 μg/m3 (66) 66.0
 
Jan. 25, 2022, 7 p.m. 49.5 ppb (47) 18.0 ppb (17) 44.4 ppb (42) 32.0 ppb (31) 26.4 ppb (25) N/A 20.0 ppb (19) N/A 38.0 μg/m3 (36) 16.0 μg/m3 (60) 60.0
 
Jan. 25, 2022, 6 p.m. 54.1 ppb (52) 24.0 ppb (23) 47.5 ppb (45) 30.0 ppb (29) 24.9 ppb (24) N/A 15.0 ppb (14) N/A 30.0 μg/m3 (28) 15.1 μg/m3 (58) 58.0
 
Jan. 25, 2022, 5 p.m. 73.4 ppb (72) 38.9 ppb (37) 66.2 ppb (64) 35.0 ppb (34) 29.0 ppb (28) N/A 8.0 ppb (8) N/A 39.0 μg/m3 (37) 14.1 μg/m3 (56) 72.0
 
Jan. 25, 2022, 4 p.m. 117.2 ppb (105) 81.9 ppb (81) 107.4 ppb (103) 36.0 ppb (34) 30.3 ppb (29) 1.0 ppb (2) 3.0 ppb (3) 1.08 ppb (13) 45.0 μg/m3 (42) 15.1 μg/m3 (58) 105.0
 
Jan. 25, 2022, 3 p.m. 115.2 ppb (104) 83.2 ppb (83) 107.7 ppb (103) 32.0 ppb (31) 27.6 ppb (27) 0.0 ppb (0) 1.0 ppb (1) 1.05 ppb (13) 39.0 μg/m3 (37) 13.3 μg/m3 (54) 104.0
 
Jan. 25, 2022, 2 p.m. 102.3 ppb (102) 70.9 ppb (70) 92.5 ppb (93) 32.0 ppb (31) 25.1 ppb (24) 0.0 ppb (0) 1.0 ppb (1) 0.93 ppb (11) 31.0 μg/m3 (29) 7.7 μg/m3 (33) 102.0
 
Jan. 25, 2022, 1 p.m. 87.4 ppb (87) 56.2 ppb (54) 78.7 ppb (78) 31.0 ppb (30) 22.2 ppb (21) 0.0 ppb (0) 1.0 ppb (1) 0.76 ppb (10) 30.0 μg/m3 (28) 9.2 μg/m3 (39) 87.0
 
Jan. 25, 2022, noon 83.8 ppb (83) 52.8 ppb (50) 71.5 ppb (70) 31.0 ppb (30) 25.0 ppb (24) 0.0 ppb (0) 1.0 ppb (1) 0.6 ppb (7) 24.0 μg/m3 (23) 12.1 μg/m3 (51) 83.0
 
Jan. 25, 2022, 11 a.m. 55.5 ppb (53) 25.9 ppb (25) 46.8 ppb (45) 30.0 ppb (29) 22.8 ppb (22) 0.0 ppb (0) 1.0 ppb (1) 0.58 ppb (7) 21.0 μg/m3 (20) 10.1 μg/m3 (43) 53.0
 
Jan. 25, 2022, 10 a.m. 80.7 ppb (80) 48.5 ppb (46) 74.9 ppb (74) 32.0 ppb (31) 27.5 ppb (26) 0.0 ppb (0) 1.0 ppb (1) 0.63 ppb (7) 29.0 μg/m3 (27) 14.3 μg/m3 (56) 80.0
 
Jan. 25, 2022, 9 a.m. 67.0 ppb (65) 34.6 ppb (33) 61.7 ppb (60) 33.0 ppb (32) 25.2 ppb (24) 0.0 ppb (0) 1.0 ppb (1) 0.71 ppb (8) 28.0 μg/m3 (26) 11.3 μg/m3 (48) 65.0
 
Jan. 25, 2022, 8 a.m. 71.3 ppb (70) 39.1 ppb (37) 65.8 ppb (64) 32.0 ppb (31) 30.1 ppb (29) 0.0 ppb (0) 1.0 ppb (1) 0.8 ppb (10) 32.0 μg/m3 (30) 16.0 μg/m3 (60) 70.0
 
Jan. 25, 2022, 7 a.m. 52.0 ppb (50) 16.6 ppb (16) 47.9 ppb (46) 36.0 ppb (34) 32.4 ppb (31) 0.0 ppb (0) 1.0 ppb (1) 0.75 ppb (10) 30.0 μg/m3 (28) 12.3 μg/m3 (52) 52.0
 
Jan. 25, 2022, 6 a.m. 54.9 ppb (52) 17.2 ppb (17) 49.5 ppb (47) 38.0 ppb (36) 35.0 ppb (34) 0.0 ppb (0) 1.0 ppb (1) 0.72 ppb (8) 31.0 μg/m3 (29) 15.3 μg/m3 (58) 58.0
 
Jan. 25, 2022, 5 a.m. 59.4 ppb (57) 19.4 ppb (19) 54.4 ppb (52) 40.0 ppb (38) 37.2 ppb (36) 0.0 ppb (0) 1.0 ppb (1) 0.9 ppb (11) 33.0 μg/m3 (31) 11.8 μg/m3 (50) 57.0
 
Jan. 25, 2022, 4 a.m. 49.8 ppb (47) 7.3 ppb (7) 45.3 ppb (43) 43.0 ppb (41) 38.4 ppb (37) 0.0 ppb (0) 3.0 ppb (3) 0.66 ppb (8) 31.0 μg/m3 (29) 13.6 μg/m3 (55) 55.0
 
Jan. 25, 2022, 3 a.m. 46.6 ppb (44) 2.7 ppb (3) 41.1 ppb (39) 44.0 ppb (42) 39.2 ppb (37) 0.0 ppb (0) 5.0 ppb (5) 0.48 ppb (6) 37.0 μg/m3 (35) 14.3 μg/m3 (56) 56.0
 
Jan. 25, 2022, 2 a.m. 41.1 ppb (39) 3.0 ppb (3) 36.7 ppb (35) 38.0 ppb (36) 33.8 ppb (32) 0.0 ppb (0) 10.0 ppb (10) 0.43 ppb (5) 28.0 μg/m3 (26) 13.6 μg/m3 (55) 55.0
 
Jan. 25, 2022, 1 a.m. 33.3 ppb (32) 0.9 ppb (1) 28.2 ppb (27) 33.0 ppb (32) 27.5 ppb (26) 1.0 ppb (2) 16.0 ppb (15) 0.43 ppb (5) 35.0 μg/m3 (33) 13.8 μg/m3 (55) 55.0
 
Jan. 25, 2022, midnight 36.4 ppb (35) 4.3 ppb (5) 30.8 ppb (30) 32.0 ppb (31) 26.9 ppb (26) 1.0 ppb (2) 20.0 ppb (19) 0.4 ppb (5) 39.0 μg/m3 (37) 9.6 μg/m3 (40) 40.0
 
Jan. 24, 2022, 11 p.m. 41.0 ppb (39) 8.0 ppb (8) 35.9 ppb (34) 33.0 ppb (32) 27.3 ppb (26) 1.0 ppb (2) 24.0 ppb (23) 0.39 ppb (5) 38.0 μg/m3 (36) 13.6 μg/m3 (55) 55.0
 
Jan. 24, 2022, 10 p.m. 28.5 ppb (27) 5.0 ppb (5) 23.5 ppb (23) 24.0 ppb (23) 17.9 ppb (17) 0.0 ppb (0) 36.0 ppb (34) 0.32 ppb (4) 29.0 μg/m3 (27) 9.2 μg/m3 (39) 39.0
 
Jan. 24, 2022, 9 p.m. 28.4 ppb (27) 6.1 ppb (6) 23.7 ppb (23) 22.0 ppb (21) 17.0 ppb (17) 0.0 ppb (0) 36.0 ppb (34) 0.33 ppb (4) 31.0 μg/m3 (29) 7.7 μg/m3 (33) 34.0
 
Jan. 24, 2022, 8 p.m. 41.6 ppb (40) 12.5 ppb (12) 35.9 ppb (34) 29.0 ppb (28) 23.0 ppb (22) 0.0 ppb (0) 27.0 ppb (25) 0.39 ppb (5) 31.0 μg/m3 (29) 12.3 μg/m3 (52) 52.0
 
Jan. 24, 2022, 7 p.m. 43.8 ppb (42) 15.0 ppb (15) 37.2 ppb (36) 29.0 ppb (28) 22.5 ppb (22) 0.0 ppb (0) 23.0 ppb (22) 0.4 ppb (5) 26.0 μg/m3 (25) 11.1 μg/m3 (47) 47.0
 
Jan. 24, 2022, 6 p.m. 31.4 ppb (30) 10.3 ppb (10) 26.6 ppb (26) 21.0 ppb (20) 16.0 ppb (16) 0.0 ppb (0) 24.0 ppb (23) 0.36 ppb (5) 23.0 μg/m3 (22) 6.5 μg/m3 (28) 30.0
 
Jan. 24, 2022, 5 p.m. 62.9 ppb (61) 32.9 ppb (32) 55.1 ppb (53) 30.0 ppb (29) 25.3 ppb (24) 0.0 ppb (0) 14.0 ppb (13) 0.52 ppb (6) 28.0 μg/m3 (26) 7.2 μg/m3 (31) 61.0
 
Jan. 24, 2022, 4 p.m. 134.0 ppb (108) 94.9 ppb (95) 123.6 ppb (106) 39.0 ppb (37) 34.4 ppb (33) 1.0 ppb (2) 3.0 ppb (3) 1.14 ppb (13) 48.0 μg/m3 (45) 8.4 μg/m3 (36) 108.0
 
Jan. 24, 2022, 3 p.m. 167.3 ppb (114) 129.6 ppb (107) 155.8 ppb (112) 38.0 ppb (36) 34.4 ppb (33) 1.0 ppb (2) 2.0 ppb (2) 1.14 ppb (13) 44.0 μg/m3 (41) 13.1 μg/m3 (54) 114.0
 
Jan. 24, 2022, 2 p.m. 106.1 ppb (102) 70.6 ppb (69) 104.2 ppb (102) 36.0 ppb (34) 28.8 ppb (28) 1.0 ppb (2) 1.0 ppb (1) 0.91 ppb (11) 33.0 μg/m3 (31) 7.0 μg/m3 (30) 102.0
 
Jan. 24, 2022, 1 p.m. 77.1 ppb (76) 42.7 ppb (41) 75.9 ppb (75) 35.0 ppb (34) 27.0 ppb (26) 0.0 ppb (0) 1.0 ppb (1) 0.7 ppb (8) 24.0 μg/m3 (23) 3.5 μg/m3 (15) 76.0
 
Jan. 24, 2022, noon 46.6 ppb (44) 14.8 ppb (14) 41.8 ppb (40) 32.0 ppb (31) 26.5 ppb (25) 0.0 ppb (0) 1.0 ppb (1) 0.44 ppb (5) 19.0 μg/m3 (18) 4.3 μg/m3 (18) 44.0
 
Jan. 24, 2022, 11 a.m. 52.2 ppb (50) 20.1 ppb (19) 45.5 ppb (43) 32.0 ppb (31) 25.4 ppb (24) 0.0 ppb (0) 1.0 ppb (1) 0.55 ppb (7) 18.0 μg/m3 (17) 6.3 μg/m3 (27) 50.0
 
Jan. 24, 2022, 10 a.m. 49.1 ppb (47) 17.2 ppb (17) 43.1 ppb (41) 32.0 ppb (31) 26.5 ppb (25) 0.0 ppb (0) 1.0 ppb (1) 0.55 ppb (7) 19.0 μg/m3 (18) 8.7 μg/m3 (37) 47.0
 
Jan. 24, 2022, 9 a.m. 39.7 ppb (38) 9.8 ppb (10) 29.3 ppb (28) 30.0 ppb (29) 23.2 ppb (22) 0.0 ppb (0) 4.0 ppb (4) 0.5 ppb (6) 19.0 μg/m3 (18) 7.9 μg/m3 (33) 38.0
 
Jan. 24, 2022, 8 a.m. 73.3 ppb (72) 39.3 ppb (38) 64.6 ppb (63) 34.0 ppb (33) 32.6 ppb (31) 1.0 ppb (2) 1.0 ppb (1) 0.78 ppb (10) 45.0 μg/m3 (42) 34.5 μg/m3 (99) 99.0
 
Jan. 24, 2022, 7 a.m. 77.3 ppb (76) 41.7 ppb (40) 70.2 ppb (69) 36.0 ppb (34) 32.9 ppb (32) 2.0 ppb (3) 1.0 ppb (1) 0.99 ppb (12) 37.0 μg/m3 (35) 18.5 μg/m3 (65) 76.0
 
Jan. 24, 2022, 6 a.m. 82.7 ppb (82) 45.1 ppb (43) 74.5 ppb (73) 38.0 ppb (36) 35.0 ppb (34) 1.0 ppb (2) 1.0 ppb (1) 0.97 ppb (12) 37.0 μg/m3 (35) 17.8 μg/m3 (63) 82.0
 
Jan. 24, 2022, 5 a.m. 58.6 ppb (56) 21.0 ppb (20) 52.4 ppb (50) 38.0 ppb (36) 34.1 ppb (33) 0.0 ppb (0) 1.0 ppb (1) 0.91 ppb (11) 27.0 μg/m3 (25) 9.9 μg/m3 (42) 56.0
 
Jan. 24, 2022, 4 a.m. 62.5 ppb (61) 24.1 ppb (23) 56.5 ppb (54) 39.0 ppb (37) 34.3 ppb (33) 0.0 ppb (0) 1.0 ppb (1) 0.99 ppb (12) 31.0 μg/m3 (29) 13.1 μg/m3 (54) 61.0
 
Jan. 24, 2022, 3 a.m. 57.1 ppb (55) 16.6 ppb (16) 52.4 ppb (50) 41.0 ppb (39) 35.9 ppb (34) 0.0 ppb (0) 1.0 ppb (1) 0.87 ppb (11) 33.0 μg/m3 (31) 11.8 μg/m3 (50) 55.0
 
Jan. 24, 2022, 2 a.m. 41.8 ppb (40) 4.0 ppb (4) 32.8 ppb (31) 38.0 ppb (36) 30.2 ppb (29) 0.0 ppb (0) 5.0 ppb (5) 0.63 ppb (7) 23.0 μg/m3 (22) 4.0 μg/m3 (17) 40.0
 
Jan. 24, 2022, 1 a.m. 19.2 ppb (19) 0.1 ppb (1) 15.6 ppb (15) 19.0 ppb (18) 15.4 ppb (15) 0.0 ppb (0) 28.0 ppb (26) 0.27 ppb (4) 11.0 μg/m3 (11) 5.3 μg/m3 (23) 26.0
 
Jan. 24, 2022, midnight 7.9 ppb (8) 0.2 ppb (1) 3.1 ppb (3) 8.0 ppb (8) 2.7 ppb (3) 0.0 ppb (0) 40.0 ppb (38) 0.17 ppb (3) 7.0 μg/m3 (7) 5.3 μg/m3 (23) 38.0
 
Jan. 23, 2022, 11 p.m. 5.1 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (41) 0.16 ppb (3) 9.0 μg/m3 (9) 3.3 μg/m3 (14) 41.0
 
Jan. 23, 2022, 10 p.m. 5.5 ppb (6) 0.6 ppb (1) 1.3 ppb (2) 5.0 ppb (5) 0.3 ppb (1) 0.0 ppb (0) 45.0 ppb (42) 0.15 ppb (2) 14.0 μg/m3 (13) 1.0 μg/m3 (5) 42.0
 
Jan. 23, 2022, 9 p.m. 8.5 ppb (9) 1.3 ppb (2) 4.1 ppb (4) 7.0 ppb (7) 2.4 ppb (3) 0.0 ppb (0) 42.0 ppb (39) 0.2 ppb (3) 14.0 μg/m3 (13) 1.3 μg/m3 (6) 39.0
 
Jan. 23, 2022, 8 p.m. 14.2 ppb (14) 2.8 ppb (3) 10.0 ppb (10) 12.0 ppb (12) 6.8 ppb (7) 0.0 ppb (0) 39.0 ppb (37) 0.28 ppb (4) 14.0 μg/m3 (13) 3.0 μg/m3 (13) 37.0
 
Jan. 23, 2022, 7 p.m. 33.0 ppb (32) 10.1 ppb (10) 28.9 ppb (28) 23.0 ppb (22) 17.7 ppb (17) 0.0 ppb (0) 25.0 ppb (24) 0.39 ppb (5) 22.0 μg/m3 (21) 5.8 μg/m3 (25) 32.0
 
Jan. 23, 2022, 6 p.m. 27.6 ppb (27) 8.8 ppb (9) 21.8 ppb (21) 19.0 ppb (18) 12.8 ppb (13) 0.0 ppb (0) 25.0 ppb (24) 0.3 ppb (4) 14.0 μg/m3 (13) 2.6 μg/m3 (11) 27.0
 
Jan. 23, 2022, 5 p.m. 31.5 ppb (30) 11.1 ppb (11) 25.9 ppb (25) 21.0 ppb (20) 14.6 ppb (14) 0.0 ppb (0) 18.0 ppb (17) 0.38 ppb (5) 16.0 μg/m3 (15) 1.8 μg/m3 (8) 30.0
 
Jan. 23, 2022, 4 p.m. 46.4 ppb (44) 20.4 ppb (20) 38.9 ppb (37) 26.0 ppb (25) 19.6 ppb (19) 0.0 ppb (0) 9.0 ppb (9) 0.53 ppb (6) 16.0 μg/m3 (15) 2.3 μg/m3 (10) 44.0
 
Jan. 23, 2022, 3 p.m. 48.9 ppb (47) 18.3 ppb (18) 42.5 ppb (41) 31.0 ppb (30) 25.3 ppb (24) 0.0 ppb (0) 4.0 ppb (4) 0.56 ppb (7) 26.0 μg/m3 (25) 1.3 μg/m3 (6) 47.0
 
Jan. 23, 2022, 2 p.m. 37.0 ppb (35) 6.7 ppb (7) 31.7 ppb (30) 30.0 ppb (29) 24.9 ppb (24) 0.0 ppb (0) 4.0 ppb (4) 0.37 ppb (5) 10.0 μg/m3 (10) 3.3 μg/m3 (14) 35.0
 
Jan. 23, 2022, 1 p.m. 27.6 ppb (27) 2.3 ppb (3) 18.3 ppb (18) 25.0 ppb (24) 16.8 ppb (16) 0.0 ppb (0) 11.0 ppb (11) 0.29 ppb (4) 10.0 μg/m3 (10) 6.5 μg/m3 (28) 28.0
 
Jan. 23, 2022, noon 36.6 ppb (35) 5.7 ppb (6) 32.8 ppb (31) 31.0 ppb (30) 25.7 ppb (25) 0.0 ppb (0) 6.0 ppb (6) 0.38 ppb (5) 20.0 μg/m3 (19) 8.7 μg/m3 (37) 37.0
 
Jan. 23, 2022, 11 a.m. 34.5 ppb (33) 6.5 ppb (7) 35.0 ppb (34) 28.0 ppb (27) 25.7 ppb (25) 0.0 ppb (0) 9.0 ppb (9) 0.4 ppb (5) 13.0 μg/m3 (13) 2.0 μg/m3 (9) 34.0
 
Jan. 23, 2022, 10 a.m. 29.6 ppb (28) 3.0 ppb (3) 19.6 ppb (19) 27.0 ppb (26) 17.0 ppb (17) 0.0 ppb (0) 13.0 ppb (13) 0.32 ppb (4) 12.0 μg/m3 (12) 5.0 μg/m3 (21) 28.0
 
Jan. 23, 2022, 9 a.m. 39.0 ppb (37) 5.1 ppb (5) 26.2 ppb (25) 34.0 ppb (33) 22.6 ppb (22) 0.0 ppb (0) 5.0 ppb (5) 0.71 ppb (8) 18.0 μg/m3 (17) 8.0 μg/m3 (34) 37.0
 
Jan. 23, 2022, 8 a.m. 30.1 ppb (29) 1.4 ppb (2) 26.2 ppb (25) 29.0 ppb (28) 25.0 ppb (24) 0.0 ppb (0) 7.0 ppb (7) 0.58 ppb (7) 18.0 μg/m3 (17) 6.8 μg/m3 (29) 29.0
 
Jan. 23, 2022, 7 a.m. 33.6 ppb (32) 1.9 ppb (2) 28.0 ppb (27) 32.0 ppb (31) 26.6 ppb (26) 0.0 ppb (0) 7.0 ppb (7) 0.61 ppb (7) 27.0 μg/m3 (25) 6.6 μg/m3 (28) 32.0
 
Jan. 23, 2022, 6 a.m. 35.9 ppb (34) 5.1 ppb (5) 27.9 ppb (27) 31.0 ppb (30) 24.5 ppb (24) 0.0 ppb (0) 9.0 ppb (9) 0.55 ppb (7) 25.0 μg/m3 (24) 8.2 μg/m3 (35) 35.0
 
Jan. 23, 2022, 5 a.m. 33.5 ppb (32) 2.4 ppb (3) 25.1 ppb (24) 31.0 ppb (30) 23.8 ppb (23) 0.0 ppb (0) 9.0 ppb (9) 0.57 ppb (7) 20.0 μg/m3 (19) 9.7 μg/m3 (41) 41.0
 
Jan. 23, 2022, 4 a.m. 42.9 ppb (41) 8.1 ppb (8) 34.5 ppb (33) 35.0 ppb (34) 29.0 ppb (28) 0.0 ppb (0) 7.0 ppb (7) 0.65 ppb (8) 31.0 μg/m3 (29) 12.1 μg/m3 (51) 51.0
 
Jan. 23, 2022, 3 a.m. 27.7 ppb (27) 3.0 ppb (3) 21.7 ppb (21) 25.0 ppb (24) 18.8 ppb (18) 0.0 ppb (0) 18.0 ppb (17) 0.37 ppb (5) 20.0 μg/m3 (19) 2.8 μg/m3 (12) 27.0
 
Jan. 23, 2022, 2 a.m. 11.8 ppb (12) 0.1 ppb (1) 6.1 ppb (6) 12.0 ppb (12) 5.9 ppb (6) 0.0 ppb (0) 31.0 ppb (29) 0.22 ppb (3) 16.0 μg/m3 (15) 2.3 μg/m3 (10) 29.0
 
Jan. 23, 2022, 1 a.m. 5.8 ppb (6) 0.1 ppb (1) 1.1 ppb (2) 6.0 ppb (6) 0.8 ppb (1) 0.0 ppb (0) 38.0 ppb (36) 0.16 ppb (3) 23.0 μg/m3 (22) 1.6 μg/m3 (7) 36.0
 
Jan. 23, 2022, midnight 4.3 ppb (5) 0.2 ppb (1) -0.3 ppb (0) 4.0 ppb (4) -0.6 ppb (0) 0.0 ppb (0) 40.0 ppb (38) 0.14 ppb (2) 22.0 μg/m3 (21) 3.0 μg/m3 (13) 38.0
 
Jan. 22, 2022, 11 p.m. 3.8 ppb (4) 0.3 ppb (1) -0.5 ppb (0) 3.0 ppb (3) -1.2 ppb (0) 0.0 ppb (0) 41.0 ppb (38) 0.13 ppb (2) 23.0 μg/m3 (22) 4.3 μg/m3 (18) 38.0
 
Jan. 22, 2022, 10 p.m. 8.6 ppb (9) 3.0 ppb (3) 2.2 ppb (3) 6.0 ppb (6) 0.7 ppb (1) 0.0 ppb (0) 41.0 ppb (38) 0.11 ppb (2) 20.0 μg/m3 (19) 3.8 μg/m3 (16) 38.0
 
Jan. 22, 2022, 9 p.m. 3.9 ppb (4) 0.6 ppb (1) -0.2 ppb (0) 3.0 ppb (3) -0.9 ppb (0) 0.0 ppb (0) 43.0 ppb (40) 0.13 ppb (2) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 40.0
 
Jan. 22, 2022, 8 p.m. 3.0 ppb (3) 0.3 ppb (1) -0.7 ppb (0) 3.0 ppb (3) -1.3 ppb (0) 0.0 ppb (0) 43.0 ppb (40) 0.12 ppb (2) 16.0 μg/m3 (15) 2.6 μg/m3 (11) 40.0
 
Jan. 22, 2022, 7 p.m. 6.5 ppb (7) 1.1 ppb (2) 2.5 ppb (3) 5.0 ppb (5) 1.1 ppb (2) 0.0 ppb (0) 40.0 ppb (38) 0.15 ppb (2) 19.0 μg/m3 (18) 2.3 μg/m3 (10) 38.0
 
Jan. 22, 2022, 6 p.m. 7.6 ppb (8) 1.4 ppb (2) 3.2 ppb (4) 6.0 ppb (6) 1.4 ppb (2) 0.0 ppb (0) 38.0 ppb (36) 0.14 ppb (2) 21.0 μg/m3 (20) 2.8 μg/m3 (12) 36.0
 
Jan. 22, 2022, 5 p.m. 12.0 ppb (12) 2.9 ppb (3) 8.5 ppb (9) 9.0 ppb (9) 5.9 ppb (6) 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) 15.0 μg/m3 (14) 5.3 μg/m3 (23) 33.0
 
Jan. 22, 2022, 4 p.m. 55.0 ppb (53) 23.0 ppb (22) 44.5 ppb (42) 32.0 ppb (31) 24.0 ppb (23) 0.0 ppb (0) 14.0 ppb (13) 0.5 ppb (6) 51.0 μg/m3 (48) 9.9 μg/m3 (42) 53.0
 
Jan. 22, 2022, 3 p.m. 55.3 ppb (53) 18.9 ppb (18) 49.3 ppb (47) 37.0 ppb (35) 29.9 ppb (29) 0.0 ppb (0) 7.0 ppb (7) 0.4 ppb (5) 44.0 μg/m3 (41) 9.7 μg/m3 (41) 53.0
 
Jan. 22, 2022, 2 p.m. 28.2 ppb (27) 1.8 ppb (2) 20.8 ppb (20) 26.0 ppb (25) 19.4 ppb (19) 0.0 ppb (0) 14.0 ppb (13) 0.3 ppb (4) 32.0 μg/m3 (30) 2.6 μg/m3 (11) 30.0
 
Jan. 22, 2022, 1 p.m. 14.6 ppb (14) 0.6 ppb (1) 6.1 ppb (6) 14.0 ppb (14) 5.7 ppb (6) 0.0 ppb (0) 25.0 ppb (24) 0.25 ppb (3) 39.0 μg/m3 (37) 6.1 μg/m3 (26) 37.0
 
Jan. 22, 2022, noon 11.2 ppb (11) 0.1 ppb (1) 4.6 ppb (5) 11.0 ppb (11) 4.5 ppb (5) 0.0 ppb (0) 30.0 ppb (28) 0.18 ppb (3) 42.0 μg/m3 (39) 10.1 μg/m3 (43) 43.0
 
Jan. 22, 2022, 11 a.m. 2.6 ppb (3) -0.1 ppb (0) -1.2 ppb (0) 3.0 ppb (3) -1.2 ppb (0) 0.0 ppb (0) 40.0 ppb (38) 0.12 ppb (2) 22.0 μg/m3 (21) 1.8 μg/m3 (8) 38.0
 
Jan. 22, 2022, 10 a.m. 2.6 ppb (3) 0.0 ppb (0) -2.1 ppb (0) 3.0 ppb (3) -2.1 ppb (0) 0.0 ppb (0) 40.0 ppb (38) 0.1 ppb (2) 18.0 μg/m3 (17) -0.1 μg/m3 (0) 38.0
 
Jan. 22, 2022, 9 a.m. 2.6 ppb (3) -0.2 ppb (0) -2.3 ppb (0) 3.0 ppb (3) -2.3 ppb (0) 0.0 ppb (0) 41.0 ppb (38) 0.13 ppb (2) 33.0 μg/m3 (31) 1.3 μg/m3 (6) 38.0
 
Jan. 22, 2022, 8 a.m. 2.9 ppb (3) 0.0 ppb (0) -1.6 ppb (0) 3.0 ppb (3) -1.7 ppb (0) 0.0 ppb (0) 40.0 ppb (38) 0.13 ppb (2) 41.0 μg/m3 (38) 2.8 μg/m3 (12) 38.0
 
Jan. 22, 2022, 7 a.m. 4.3 ppb (5) -0.1 ppb (0) -0.6 ppb (0) 4.0 ppb (4) -0.7 ppb (0) 0.0 ppb (0) 39.0 ppb (37) 0.14 ppb (2) 62.0 μg/m3 (55) 5.0 μg/m3 (21) 55.0
 
Jan. 22, 2022, 6 a.m. 3.1 ppb (3) 0.1 ppb (1) -0.7 ppb (0) 3.0 ppb (3) -0.9 ppb (0) 0.0 ppb (0) 40.0 ppb (38) 0.12 ppb (2) 130.0 μg/m3 (89) 8.9 μg/m3 (38) 89.0
 
Jan. 22, 2022, 5 a.m. 5.9 ppb (6) 0.5 ppb (1) 2.8 ppb (3) 5.0 ppb (5) 1.5 ppb (2) 0.0 ppb (0) 39.0 ppb (37) 0.15 ppb (2) 47.0 μg/m3 (44) 4.8 μg/m3 (20) 44.0
 
Jan. 22, 2022, 4 a.m. 9.5 ppb (9) 1.1 ppb (2) 4.2 ppb (4) 8.0 ppb (8) 3.1 ppb (3) 0.0 ppb (0) 36.0 ppb (34) 0.21 ppb (3) 35.0 μg/m3 (33) 6.8 μg/m3 (29) 34.0
 
Jan. 22, 2022, 3 a.m. 7.2 ppb (7) 0.3 ppb (1) 2.9 ppb (3) 7.0 ppb (7) 2.6 ppb (3) 0.0 ppb (0) 37.0 ppb (35) 0.17 ppb (3) 44.0 μg/m3 (41) 1.3 μg/m3 (6) 41.0
 
Jan. 22, 2022, 2 a.m. 6.6 ppb (7) 0.1 ppb (1) 2.2 ppb (3) 7.0 ppb (7) 2.0 ppb (2) 0.0 ppb (0) 38.0 ppb (36) 0.15 ppb (2) 47.0 μg/m3 (44) 0.8 μg/m3 (4) 44.0
 
Jan. 22, 2022, 1 a.m. 8.9 ppb (9) 0.8 ppb (1) 4.6 ppb (5) 8.0 ppb (8) 3.8 ppb (4) 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) 70.0 μg/m3 (59) 4.1 μg/m3 (18) 59.0
 
Jan. 22, 2022, midnight 9.3 ppb (9) 0.7 ppb (1) 4.3 ppb (5) 9.0 ppb (9) 3.6 ppb (4) 0.0 ppb (0) 40.0 ppb (38) 0.17 ppb (3) 87.0 μg/m3 (67) 8.7 μg/m3 (37) 67.0
 
Jan. 21, 2022, 11 p.m. 29.8 ppb (29) 4.0 ppb (4) 24.3 ppb (23) 26.0 ppb (25) 20.0 ppb (19) 0.0 ppb (0) 32.0 ppb (30) 0.38 ppb (5) 28.0 μg/m3 (26) 12.1 μg/m3 (51) 51.0
 
Jan. 21, 2022, 10 p.m. 30.1 ppb (29) 5.7 ppb (6) 23.9 ppb (23) 24.0 ppb (23) 17.5 ppb (17) 0.0 ppb (0) 32.0 ppb (30) 0.35 ppb (4) 26.0 μg/m3 (25) 10.6 μg/m3 (45) 45.0
 
Jan. 21, 2022, 9 p.m. 26.8 ppb (26) 6.2 ppb (6) 19.8 ppb (19) 21.0 ppb (20) 12.9 ppb (13) 0.0 ppb (0) 31.0 ppb (29) 0.32 ppb (4) 25.0 μg/m3 (24) 9.7 μg/m3 (41) 41.0
 
Jan. 21, 2022, 8 p.m. 29.8 ppb (29) 8.5 ppb (9) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 28.0 ppb (26) 0.35 ppb (4) 29.0 μg/m3 (27) 10.2 μg/m3 (43) 43.0
 
Jan. 21, 2022, 7 p.m. 42.5 ppb (41) 15.8 ppb (15) N/A 27.0 ppb (26) N/A 0.0 ppb (0) 20.0 ppb (19) 0.44 ppb (5) 28.0 μg/m3 (26) 8.9 μg/m3 (38) 41.0
 
Jan. 21, 2022, 6 p.m. 37.8 ppb (36) 14.1 ppb (14) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 20.0 ppb (19) 0.38 ppb (5) 24.0 μg/m3 (23) 10.2 μg/m3 (43) 43.0
 
Jan. 21, 2022, 5 p.m. 26.0 ppb (25) 8.2 ppb (8) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 20.0 ppb (19) 0.35 ppb (4) 23.0 μg/m3 (22) 8.5 μg/m3 (36) 36.0
 
Jan. 21, 2022, 4 p.m. 103.9 ppb (102) 71.4 ppb (70) 109.2 ppb (103) 33.0 ppb (32) 33.4 ppb (32) 0.0 ppb (0) 5.0 ppb (5) 0.87 ppb (11) 36.0 μg/m3 (34) 8.2 μg/m3 (35) 103.0
 
Jan. 21, 2022, 3 p.m. 153.2 ppb (111) 117.2 ppb (105) 149.8 ppb (111) 36.0 ppb (34) 39.4 ppb (38) 1.0 ppb (2) 1.0 ppb (1) 1.13 ppb (13) 38.0 μg/m3 (36) 9.2 μg/m3 (39) 111.0
 
Jan. 21, 2022, 2 p.m. 116.1 ppb (104) 82.7 ppb (82) 100.6 ppb (101) 34.0 ppb (33) 30.4 ppb (29) 1.0 ppb (2) 1.0 ppb (1) 1.04 ppb (12) 29.0 μg/m3 (27) 7.7 μg/m3 (33) 104.0
 
Jan. 21, 2022, 1 p.m. 108.6 ppb (103) 73.1 ppb (72) 95.3 ppb (95) 36.0 ppb (34) 29.8 ppb (29) 0.0 ppb (0) 1.0 ppb (1) 0.83 ppb (10) 25.0 μg/m3 (24) 8.5 μg/m3 (36) 103.0
 
Jan. 21, 2022, noon 93.4 ppb (93) 59.7 ppb (58) 76.0 ppb (75) 34.0 ppb (33) 29.1 ppb (28) 0.0 ppb (0) 1.0 ppb (1) 0.71 ppb (8) 19.0 μg/m3 (18) 3.8 μg/m3 (16) 93.0
 
Jan. 21, 2022, 11 a.m. 69.4 ppb (68) 36.3 ppb (35) 65.4 ppb (64) 33.0 ppb (32) 27.6 ppb (27) 0.0 ppb (0) 1.0 ppb (1) 0.64 ppb (7) 15.0 μg/m3 (14) 4.6 μg/m3 (20) 68.0
 
Jan. 21, 2022, 10 a.m. 64.3 ppb (62) 31.3 ppb (30) 59.5 ppb (57) 33.0 ppb (32) 29.9 ppb (29) 0.0 ppb (0) 1.0 ppb (1) 0.63 ppb (7) 19.0 μg/m3 (18) 8.2 μg/m3 (35) 62.0
 
Jan. 21, 2022, 9 a.m. 95.9 ppb (96) 58.8 ppb (57) 77.0 ppb (76) 37.0 ppb (35) 29.8 ppb (29) 0.0 ppb (0) 1.0 ppb (1) 0.85 ppb (10) 29.0 μg/m3 (27) 10.6 μg/m3 (45) 96.0
 
Jan. 21, 2022, 8 a.m. 93.1 ppb (93) 54.3 ppb (52) 81.0 ppb (80) 39.0 ppb (37) 37.3 ppb (36) 0.0 ppb (0) 1.0 ppb (1) 0.92 ppb (11) 27.0 μg/m3 (25) 8.7 μg/m3 (37) 93.0
 
Jan. 21, 2022, 7 a.m. 79.2 ppb (78) 39.2 ppb (37) 65.8 ppb (64) 40.0 ppb (38) 37.1 ppb (35) 0.0 ppb (0) 1.0 ppb (1) 0.9 ppb (11) 29.0 μg/m3 (27) 8.2 μg/m3 (35) 78.0
 
Jan. 21, 2022, 6 a.m. 66.3 ppb (65) 27.0 ppb (26) 61.1 ppb (59) 40.0 ppb (38) 38.2 ppb (37) 0.0 ppb (0) 1.0 ppb (1) 0.82 ppb (10) 26.0 μg/m3 (25) 7.7 μg/m3 (33) 65.0
 
Jan. 21, 2022, 5 a.m. 83.8 ppb (83) 41.3 ppb (39) 75.3 ppb (74) 43.0 ppb (41) 39.6 ppb (38) 0.0 ppb (0) 1.0 ppb (1) 1.06 ppb (13) 31.0 μg/m3 (29) 8.2 μg/m3 (35) 83.0
 
Jan. 21, 2022, 4 a.m. 71.6 ppb (70) 28.7 ppb (28) 68.3 ppb (67) 43.0 ppb (41) 40.5 ppb (39) 0.0 ppb (0) 1.0 ppb (1) 0.89 ppb (11) 34.0 μg/m3 (32) 10.7 μg/m3 (45) 70.0
 
Jan. 21, 2022, 3 a.m. 70.5 ppb (69) 25.0 ppb (24) 62.1 ppb (60) 46.0 ppb (44) 42.3 ppb (40) 0.0 ppb (0) 1.0 ppb (1) 1.24 ppb (14) 34.0 μg/m3 (32) 9.7 μg/m3 (41) 69.0
 
Jan. 21, 2022, 2 a.m. 58.0 ppb (56) 11.5 ppb (11) 54.4 ppb (52) 47.0 ppb (45) 42.9 ppb (41) 0.0 ppb (0) 3.0 ppb (3) 0.95 ppb (11) 37.0 μg/m3 (35) 6.8 μg/m3 (29) 56.0
 
Jan. 21, 2022, 1 a.m. 22.4 ppb (22) 0.3 ppb (1) 19.7 ppb (19) 22.0 ppb (21) 19.3 ppb (19) 0.0 ppb (0) 28.0 ppb (26) 0.29 ppb (4) 13.0 μg/m3 (13) 3.1 μg/m3 (13) 26.0
 
Jan. 21, 2022, midnight 10.1 ppb (10) 0.3 ppb (1) 7.4 ppb (7) 10.0 ppb (10) 6.9 ppb (7) 0.0 ppb (0) 45.0 ppb (42) 0.23 ppb (3) 14.0 μg/m3 (13) 5.6 μg/m3 (24) 42.0
 
Jan. 20, 2022, 11 p.m. 9.9 ppb (10) 1.0 ppb (1) 8.0 ppb (8) 9.0 ppb (9) 6.8 ppb (7) 0.0 ppb (0) 44.0 ppb (41) 0.21 ppb (3) 14.0 μg/m3 (13) 3.6 μg/m3 (16) 41.0
 
Jan. 20, 2022, 10 p.m. 9.8 ppb (10) 1.5 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 44.0 ppb (41) 0.2 ppb (3) 13.0 μg/m3 (13) 1.6 μg/m3 (7) 41.0
 
Jan. 20, 2022, 9 p.m. 9.6 ppb (10) 1.6 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 44.0 ppb (41) 0.21 ppb (3) 13.0 μg/m3 (13) 0.9 μg/m3 (4) 41.0
 
Jan. 20, 2022, 8 p.m. 13.0 ppb (13) 2.4 ppb (3) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 39.0 ppb (37) 0.26 ppb (4) 13.0 μg/m3 (13) 4.1 μg/m3 (18) 37.0
 
Jan. 20, 2022, 7 p.m. 18.8 ppb (18) 4.4 ppb (5) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 33.0 ppb (31) 0.32 ppb (4) 17.0 μg/m3 (16) 6.8 μg/m3 (29) 31.0
 
Jan. 20, 2022, 6 p.m. 65.1 ppb (63) 31.7 ppb (30) N/A 34.0 ppb (33) N/A 0.0 ppb (0) 12.0 ppb (12) 0.63 ppb (7) 31.0 μg/m3 (29) 15.3 μg/m3 (58) 63.0
 
Jan. 20, 2022, 5 p.m. 99.7 ppb (100) 62.2 ppb (60) N/A 38.0 ppb (36) N/A 0.0 ppb (0) 6.0 ppb (6) 0.74 ppb (8) 32.0 μg/m3 (30) 9.4 μg/m3 (40) 100.0
 
Jan. 20, 2022, 4 p.m. 123.4 ppb (106) 89.0 ppb (89) 109.3 ppb (103) 35.0 ppb (34) 28.8 ppb (28) 1.0 ppb (2) 2.0 ppb (2) 1.07 ppb (13) 34.0 μg/m3 (32) 10.2 μg/m3 (43) 106.0
 
Jan. 20, 2022, 3 p.m. 156.2 ppb (112) 124.5 ppb (106) 138.2 ppb (109) 32.0 ppb (31) 26.2 ppb (25) 1.0 ppb (2) 1.0 ppb (1) 1.11 ppb (13) 30.0 μg/m3 (28) 14.1 μg/m3 (56) 112.0
 
Jan. 20, 2022, 2 p.m. 106.0 ppb (102) 77.9 ppb (77) 93.9 ppb (94) 28.0 ppb (27) 20.7 ppb (20) 0.0 ppb (0) 1.0 ppb (1) 0.94 ppb (11) 36.0 μg/m3 (34) 15.1 μg/m3 (58) 102.0
 
Jan. 20, 2022, 1 p.m. 75.6 ppb (75) 48.1 ppb (46) 63.4 ppb (62) 28.0 ppb (27) 15.7 ppb (15) 0.0 ppb (0) 1.0 ppb (1) 0.72 ppb (8) 25.0 μg/m3 (24) 11.2 μg/m3 (47) 75.0
 
Jan. 20, 2022, noon 48.7 ppb (46) 21.6 ppb (21) 39.2 ppb (37) 27.0 ppb (26) 21.5 ppb (21) 0.0 ppb (0) 1.0 ppb (1) 0.56 ppb (7) 24.0 μg/m3 (23) 14.6 μg/m3 (57) 57.0
 
Jan. 20, 2022, 11 a.m. 49.4 ppb (47) 19.2 ppb (19) 38.3 ppb (37) 30.0 ppb (29) 21.0 ppb (20) 0.0 ppb (0) 1.0 ppb (1) 0.61 ppb (7) 26.0 μg/m3 (25) 17.4 μg/m3 (63) 63.0
 
Jan. 20, 2022, 10 a.m. 50.4 ppb (48) 20.0 ppb (19) 44.6 ppb (43) 31.0 ppb (30) 23.8 ppb (23) 0.0 ppb (0) 0.0 ppb (0) 0.57 ppb (7) 33.0 μg/m3 (31) 14.9 μg/m3 (57) 57.0
 
Jan. 20, 2022, 9 a.m. 54.9 ppb (52) 23.3 ppb (22) 42.3 ppb (40) 32.0 ppb (31) 21.7 ppb (21) 0.0 ppb (0) 1.0 ppb (1) 0.7 ppb (8) 31.0 μg/m3 (29) 15.6 μg/m3 (59) 59.0
 
Jan. 20, 2022, 8 a.m. 60.8 ppb (59) 33.0 ppb (32) 51.5 ppb (49) 28.0 ppb (27) 24.5 ppb (24) 0.0 ppb (0) 1.0 ppb (1) 0.83 ppb (10) 33.0 μg/m3 (31) 20.2 μg/m3 (69) 69.0
 
Jan. 20, 2022, 7 a.m. 63.8 ppb (62) 34.6 ppb (33) 55.0 ppb (53) 29.0 ppb (28) 25.9 ppb (25) 0.0 ppb (0) 1.0 ppb (1) 0.9 ppb (11) 35.0 μg/m3 (33) 19.5 μg/m3 (67) 67.0