ID: 2379

AQSQID: 530330030

Site Name: Seattle-10th & Weller

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

Updated: Jan. 16, 2022, 9:32 a.m.

Location: Seattle (Little Saigon), WA

Reporting: True, Located: True

Current AQI: 30.0

Seattle (Little Saigon) WA, US: 47.597222, -122.319722

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2022, 8 a.m. 9.6 ppb (10) 1.6 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.22 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2022, 7 a.m. 9.4 ppb (9) 1.9 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.18 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2022, 6 a.m. 11.2 ppb (11) 2.7 ppb (3) N/A 8.0 ppb (8) N/A N/A N/A 0.2 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2022, 5 a.m. 13.1 ppb (13) 2.4 ppb (3) N/A 11.0 ppb (11) N/A N/A N/A 0.22 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 16, 2022, 4 a.m. 17.0 ppb (17) 3.9 ppb (4) N/A 13.0 ppb (13) N/A N/A N/A 0.25 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2022, 3 a.m. 23.3 ppb (22) 9.9 ppb (10) N/A 13.0 ppb (13) N/A N/A N/A 0.31 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2022, 2 a.m. 20.8 ppb (20) 5.9 ppb (6) N/A 15.0 ppb (15) N/A N/A N/A 0.26 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2022, 1 a.m. 23.0 ppb (22) 7.1 ppb (7) N/A 16.0 ppb (16) N/A N/A N/A 0.29 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2022, midnight 57.0 ppb (55) 36.0 ppb (34) N/A 21.0 ppb (20) N/A N/A N/A 0.52 ppb (6) N/A 11.0 μg/m3 (46) 55.0
 
Jan. 15, 2022, 11 p.m. 81.3 ppb (81) 58.8 ppb (57) N/A 22.0 ppb (21) N/A N/A N/A 0.67 ppb (8) N/A 19.0 μg/m3 (66) 81.0
 
Jan. 15, 2022, 10 p.m. 77.8 ppb (77) 56.7 ppb (54) N/A 21.0 ppb (20) N/A N/A N/A 0.66 ppb (8) N/A 19.0 μg/m3 (66) 77.0
 
Jan. 15, 2022, 9 p.m. 101.4 ppb (102) 79.8 ppb (79) N/A 22.0 ppb (21) N/A N/A N/A 0.77 ppb (10) N/A 19.0 μg/m3 (66) 102.0
 
Jan. 15, 2022, 8 p.m. 94.6 ppb (95) 75.1 ppb (74) N/A 19.0 ppb (18) N/A N/A N/A 0.72 ppb (8) N/A 21.0 μg/m3 (70) 95.0
 
Jan. 15, 2022, 7 p.m. 73.1 ppb (72) 55.8 ppb (53) N/A 17.0 ppb (17) N/A N/A N/A 0.62 ppb (7) N/A 17.0 μg/m3 (62) 72.0
 
Jan. 15, 2022, 6 p.m. 45.1 ppb (43) 30.6 ppb (29) N/A 14.0 ppb (14) N/A N/A N/A 0.44 ppb (5) N/A 10.0 μg/m3 (42) 43.0
 
Jan. 15, 2022, 5 p.m. 49.6 ppb (47) 35.7 ppb (34) N/A 14.0 ppb (14) N/A N/A N/A 0.49 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 15, 2022, 4 p.m. 70.8 ppb (69) 56.6 ppb (54) N/A 14.0 ppb (14) N/A N/A N/A 0.65 ppb (8) N/A 17.0 μg/m3 (62) 69.0
 
Jan. 15, 2022, 3 p.m. 76.3 ppb (75) 61.3 ppb (59) N/A 15.0 ppb (15) N/A N/A N/A 0.61 ppb (7) N/A 18.0 μg/m3 (64) 75.0
 
Jan. 15, 2022, 2 p.m. 121.1 ppb (105) 103.5 ppb (102) N/A 18.0 ppb (17) N/A N/A N/A 0.95 ppb (11) N/A 14.0 μg/m3 (55) 105.0
 
Jan. 15, 2022, 1 p.m. 110.5 ppb (103) 92.3 ppb (92) N/A 18.0 ppb (17) N/A N/A N/A 0.8 ppb (10) N/A 19.0 μg/m3 (66) 103.0
 
Jan. 15, 2022, noon 57.5 ppb (55) 45.0 ppb (43) N/A 13.0 ppb (13) N/A N/A N/A 0.67 ppb (8) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 15, 2022, 11 a.m. 50.2 ppb (48) 38.6 ppb (37) N/A 12.0 ppb (12) N/A N/A N/A 0.61 ppb (7) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 15, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Jan. 15, 2022, 9 a.m. 78.3 ppb (77) 62.7 ppb (61) N/A 16.0 ppb (16) N/A N/A N/A 0.91 ppb (11) N/A 15.0 μg/m3 (58) 77.0
 
Jan. 15, 2022, 8 a.m. 87.8 ppb (88) 71.8 ppb (70) N/A 16.0 ppb (16) N/A N/A N/A 0.87 ppb (11) N/A 16.0 μg/m3 (60) 88.0
 
Jan. 15, 2022, 7 a.m. 118.6 ppb (105) 98.0 ppb (98) N/A 21.0 ppb (20) N/A N/A N/A 1.08 ppb (13) N/A 24.0 μg/m3 (77) 105.0
 
Jan. 15, 2022, 6 a.m. 98.6 ppb (99) 81.4 ppb (81) N/A 17.0 ppb (17) N/A N/A N/A 0.96 ppb (12) N/A 19.0 μg/m3 (66) 99.0
 
Jan. 15, 2022, 5 a.m. 86.6 ppb (86) 69.0 ppb (67) N/A 18.0 ppb (17) N/A N/A N/A 0.86 ppb (11) N/A 12.0 μg/m3 (50) 86.0
 
Jan. 15, 2022, 4 a.m. 82.8 ppb (82) 64.9 ppb (63) N/A 18.0 ppb (17) N/A N/A N/A 0.72 ppb (8) N/A 11.0 μg/m3 (46) 82.0
 
Jan. 15, 2022, 3 a.m. 96.7 ppb (97) 76.9 ppb (76) N/A 20.0 ppb (19) N/A N/A N/A 0.72 ppb (8) N/A 9.0 μg/m3 (38) 97.0
 
Jan. 15, 2022, 2 a.m. 122.2 ppb (106) 97.3 ppb (98) N/A 25.0 ppb (24) N/A N/A N/A 0.81 ppb (10) N/A 13.0 μg/m3 (53) 106.0
 
Jan. 15, 2022, 1 a.m. 102.2 ppb (102) 78.8 ppb (78) N/A 23.0 ppb (22) N/A N/A N/A 0.91 ppb (11) N/A 13.0 μg/m3 (53) 102.0
 
Jan. 15, 2022, midnight 109.4 ppb (103) 82.0 ppb (81) N/A 27.0 ppb (26) N/A N/A N/A 0.77 ppb (10) N/A 14.0 μg/m3 (55) 103.0
 
Jan. 14, 2022, 11 p.m. 101.3 ppb (102) 78.4 ppb (77) N/A 23.0 ppb (22) N/A N/A N/A 0.85 ppb (10) N/A 11.0 μg/m3 (46) 102.0
 
Jan. 14, 2022, 10 p.m. 31.8 ppb (30) 18.3 ppb (18) N/A 13.0 ppb (13) N/A N/A N/A 0.47 ppb (6) N/A 2.0 μg/m3 (9) 30.0
 
Jan. 14, 2022, 9 p.m. 40.0 ppb (38) 26.8 ppb (26) N/A 13.0 ppb (13) N/A N/A N/A 0.48 ppb (6) N/A 7.0 μg/m3 (30) 38.0
 
Jan. 14, 2022, 8 p.m. 51.2 ppb (49) 37.4 ppb (36) N/A 14.0 ppb (14) N/A N/A N/A 0.45 ppb (6) N/A 10.0 μg/m3 (42) 49.0
 
Jan. 14, 2022, 7 p.m. 68.9 ppb (67) 54.4 ppb (52) N/A 15.0 ppb (15) N/A N/A N/A 0.6 ppb (7) N/A 8.0 μg/m3 (34) 67.0
 
Jan. 14, 2022, 6 p.m. 77.2 ppb (76) 59.9 ppb (58) N/A 17.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A 8.0 μg/m3 (34) 76.0
 
Jan. 14, 2022, 5 p.m. 49.6 ppb (47) 35.9 ppb (34) N/A 14.0 ppb (14) N/A N/A N/A 0.48 ppb (6) N/A 3.0 μg/m3 (13) 47.0
 
Jan. 14, 2022, 4 p.m. 54.0 ppb (51) 40.0 ppb (38) N/A 14.0 ppb (14) N/A N/A N/A 0.52 ppb (6) N/A 4.0 μg/m3 (17) 51.0
 
Jan. 14, 2022, 3 p.m. 38.2 ppb (37) 26.9 ppb (26) N/A 12.0 ppb (12) N/A N/A N/A 0.36 ppb (5) N/A 5.0 μg/m3 (21) 37.0
 
Jan. 14, 2022, 2 p.m. 51.0 ppb (49) 37.8 ppb (36) N/A 13.0 ppb (13) N/A N/A N/A 0.55 ppb (7) N/A 6.0 μg/m3 (25) 49.0
 
Jan. 14, 2022, 1 p.m. 51.6 ppb (49) 37.1 ppb (35) N/A 14.0 ppb (14) N/A N/A N/A 0.66 ppb (8) N/A 9.0 μg/m3 (38) 49.0
 
Jan. 14, 2022, noon 51.2 ppb (49) 36.8 ppb (35) N/A 14.0 ppb (14) N/A N/A N/A 0.58 ppb (7) N/A 7.0 μg/m3 (30) 49.0
 
Jan. 14, 2022, 11 a.m. 58.2 ppb (56) 42.2 ppb (40) N/A 16.0 ppb (16) N/A N/A N/A 0.51 ppb (6) N/A 10.0 μg/m3 (42) 56.0
 
Jan. 14, 2022, 10 a.m. 14.8 ppb (14) 5.5 ppb (6) N/A 9.0 ppb (9) N/A N/A N/A 0.17 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2022, 8 a.m. 45.8 ppb (44) 29.0 ppb (28) N/A 17.0 ppb (17) N/A N/A N/A 0.57 ppb (7) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 14, 2022, 7 a.m. 74.1 ppb (73) 51.8 ppb (49) N/A 22.0 ppb (21) N/A N/A N/A 0.65 ppb (8) N/A 12.0 μg/m3 (50) 73.0
 
Jan. 14, 2022, 6 a.m. 119.8 ppb (105) 88.8 ppb (89) N/A 31.0 ppb (30) N/A N/A N/A 0.87 ppb (11) N/A 16.0 μg/m3 (60) 105.0
 
Jan. 14, 2022, 5 a.m. 90.5 ppb (90) 62.0 ppb (60) N/A 29.0 ppb (28) N/A N/A N/A 0.92 ppb (11) N/A 17.0 μg/m3 (62) 90.0
 
Jan. 14, 2022, 4 a.m. 50.0 ppb (48) 22.9 ppb (22) N/A 27.0 ppb (26) N/A N/A N/A 0.55 ppb (7) N/A 9.0 μg/m3 (38) 48.0
 
Jan. 14, 2022, 3 a.m. 60.3 ppb (58) 31.2 ppb (30) N/A 29.0 ppb (28) N/A N/A N/A 0.61 ppb (7) N/A 8.0 μg/m3 (34) 58.0
 
Jan. 14, 2022, 2 a.m. 71.8 ppb (70) 40.5 ppb (39) N/A 31.0 ppb (30) N/A N/A N/A 0.91 ppb (11) N/A 8.0 μg/m3 (34) 70.0
 
Jan. 14, 2022, 1 a.m. 78.5 ppb (78) 46.7 ppb (45) N/A 32.0 ppb (31) N/A N/A N/A 0.69 ppb (8) N/A 8.0 μg/m3 (34) 78.0
 
Jan. 14, 2022, midnight 63.9 ppb (62) 34.9 ppb (33) N/A 29.0 ppb (28) N/A N/A N/A 0.6 ppb (7) N/A 7.0 μg/m3 (30) 62.0
 
Jan. 13, 2022, 11 p.m. 60.4 ppb (58) 37.0 ppb (35) N/A 23.0 ppb (22) N/A N/A N/A 0.61 ppb (7) N/A 3.0 μg/m3 (13) 58.0
 
Jan. 13, 2022, 10 p.m. 58.3 ppb (56) 35.2 ppb (34) N/A 23.0 ppb (22) N/A N/A N/A 0.56 ppb (7) N/A 4.0 μg/m3 (17) 56.0
 
Jan. 13, 2022, 9 p.m. 60.8 ppb (59) 39.5 ppb (38) N/A 21.0 ppb (20) N/A N/A N/A 0.53 ppb (6) N/A 5.0 μg/m3 (21) 59.0
 
Jan. 13, 2022, 8 p.m. 29.7 ppb (29) 14.8 ppb (14) N/A 15.0 ppb (15) N/A N/A N/A 0.27 ppb (4) N/A 5.0 μg/m3 (21) 29.0
 
Jan. 13, 2022, 7 p.m. 58.8 ppb (57) 40.2 ppb (38) N/A 19.0 ppb (18) N/A N/A N/A 0.41 ppb (5) N/A 8.0 μg/m3 (34) 57.0
 
Jan. 13, 2022, 6 p.m. 65.7 ppb (64) 42.8 ppb (41) N/A 23.0 ppb (22) N/A N/A N/A 0.56 ppb (7) N/A 8.0 μg/m3 (34) 64.0
 
Jan. 13, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 13, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 13, 2022, 3 p.m. 65.3 ppb (64) 40.9 ppb (39) N/A 24.0 ppb (23) N/A N/A N/A 0.44 ppb (5) N/A 13.0 μg/m3 (53) 64.0
 
Jan. 13, 2022, 2 p.m. 89.6 ppb (89) 67.7 ppb (66) N/A 22.0 ppb (21) N/A N/A N/A 0.49 ppb (6) N/A 9.0 μg/m3 (38) 89.0
 
Jan. 13, 2022, 1 p.m. 50.6 ppb (48) 33.1 ppb (32) N/A 18.0 ppb (17) N/A N/A N/A 0.52 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 13, 2022, noon 8.8 ppb (9) 2.2 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A 0.18 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2022, 11 a.m. 14.4 ppb (14) 4.4 ppb (5) N/A 10.0 ppb (10) N/A N/A N/A 0.22 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 13, 2022, 10 a.m. 35.5 ppb (34) 19.7 ppb (19) N/A 16.0 ppb (16) N/A N/A N/A 0.23 ppb (3) N/A 7.0 μg/m3 (30) 34.0
 
Jan. 13, 2022, 9 a.m. 57.9 ppb (56) 40.6 ppb (39) N/A 17.0 ppb (17) N/A N/A N/A 0.33 ppb (4) N/A 5.0 μg/m3 (21) 56.0
 
Jan. 13, 2022, 8 a.m. 39.1 ppb (37) 23.5 ppb (23) N/A 16.0 ppb (16) N/A N/A N/A 0.3 ppb (4) N/A 6.0 μg/m3 (25) 37.0
 
Jan. 13, 2022, 7 a.m. 69.2 ppb (68) 50.2 ppb (48) N/A 19.0 ppb (18) N/A N/A N/A 0.63 ppb (7) N/A 7.0 μg/m3 (30) 68.0
 
Jan. 13, 2022, 6 a.m. 38.1 ppb (36) 23.3 ppb (22) N/A 15.0 ppb (15) N/A N/A N/A 0.51 ppb (6) N/A 7.0 μg/m3 (30) 36.0
 
Jan. 13, 2022, 5 a.m. 49.0 ppb (47) 32.1 ppb (31) N/A 17.0 ppb (17) N/A N/A N/A 0.61 ppb (7) N/A 8.0 μg/m3 (34) 47.0
 
Jan. 13, 2022, 4 a.m. 53.7 ppb (51) 32.5 ppb (31) N/A 21.0 ppb (20) N/A N/A N/A 0.65 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 13, 2022, 3 a.m. 66.3 ppb (65) 40.8 ppb (39) N/A 25.0 ppb (24) N/A N/A N/A 0.91 ppb (11) N/A 16.0 μg/m3 (60) 65.0
 
Jan. 13, 2022, 2 a.m. 94.8 ppb (95) 68.8 ppb (67) N/A 26.0 ppb (25) N/A N/A N/A 1.45 ppb (16) N/A 15.0 μg/m3 (58) 95.0
 
Jan. 13, 2022, 1 a.m. 62.5 ppb (61) 36.0 ppb (34) N/A 27.0 ppb (26) N/A N/A N/A 0.76 ppb (10) N/A 6.0 μg/m3 (25) 61.0
 
Jan. 13, 2022, midnight 79.5 ppb (79) 54.4 ppb (52) N/A 25.0 ppb (24) N/A N/A N/A 0.85 ppb (10) N/A 22.0 μg/m3 (72) 79.0
 
Jan. 12, 2022, 11 p.m. 97.3 ppb (98) 68.5 ppb (67) N/A 29.0 ppb (28) N/A N/A N/A 0.8 ppb (10) N/A 11.0 μg/m3 (46) 98.0
 
Jan. 12, 2022, 10 p.m. 101.9 ppb (102) 71.4 ppb (70) N/A 31.0 ppb (30) N/A N/A N/A 0.66 ppb (8) N/A 8.0 μg/m3 (34) 102.0
 
Jan. 12, 2022, 9 p.m. 78.7 ppb (78) 54.1 ppb (52) N/A 25.0 ppb (24) N/A N/A N/A 0.66 ppb (8) N/A 4.0 μg/m3 (17) 78.0
 
Jan. 12, 2022, 8 p.m. 62.0 ppb (60) 35.9 ppb (34) N/A 26.0 ppb (25) N/A N/A N/A 0.49 ppb (6) N/A 6.0 μg/m3 (25) 60.0
 
Jan. 12, 2022, 7 p.m. 115.1 ppb (104) 82.0 ppb (81) N/A 33.0 ppb (32) N/A N/A N/A 0.63 ppb (7) N/A 10.0 μg/m3 (42) 104.0
 
Jan. 12, 2022, 6 p.m. 127.0 ppb (106) 91.9 ppb (92) N/A 35.0 ppb (34) N/A N/A N/A 0.77 ppb (10) N/A 12.0 μg/m3 (50) 106.0
 
Jan. 12, 2022, 5 p.m. 84.2 ppb (84) 51.9 ppb (49) N/A 32.0 ppb (31) N/A N/A N/A 0.79 ppb (10) N/A 6.0 μg/m3 (25) 84.0
 
Jan. 12, 2022, 4 p.m. 44.8 ppb (43) 21.0 ppb (20) N/A 24.0 ppb (23) N/A N/A N/A 0.57 ppb (7) N/A 7.0 μg/m3 (30) 43.0
 
Jan. 12, 2022, 3 p.m. 42.9 ppb (41) 21.5 ppb (21) N/A 21.0 ppb (20) N/A N/A N/A 0.47 ppb (6) N/A 9.0 μg/m3 (38) 41.0
 
Jan. 12, 2022, 2 p.m. 59.4 ppb (57) 31.8 ppb (30) N/A 28.0 ppb (27) N/A N/A N/A 0.58 ppb (7) N/A 11.0 μg/m3 (46) 57.0
 
Jan. 12, 2022, 1 p.m. 56.3 ppb (54) 28.4 ppb (27) N/A 28.0 ppb (27) N/A N/A N/A 0.49 ppb (6) N/A 4.0 μg/m3 (17) 54.0
 
Jan. 12, 2022, noon 19.5 ppb (19) 5.9 ppb (6) N/A 14.0 ppb (14) N/A N/A N/A 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2022, 11 a.m. 14.6 ppb (14) 5.1 ppb (5) N/A 10.0 ppb (10) N/A N/A N/A 0.21 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2022, 10 a.m. 15.3 ppb (15) 5.6 ppb (6) N/A 10.0 ppb (10) N/A N/A N/A 0.19 ppb (3) N/A 2.0 μg/m3 (9) 15.0
 
Jan. 12, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Jan. 12, 2022, 8 a.m. 18.0 ppb (17) 6.9 ppb (7) N/A 11.0 ppb (11) N/A N/A N/A 0.28 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 12, 2022, 7 a.m. 19.2 ppb (19) 8.8 ppb (9) N/A 10.0 ppb (10) N/A N/A N/A 0.19 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2022, 6 a.m. 22.6 ppb (22) 10.5 ppb (10) N/A 12.0 ppb (12) N/A N/A N/A 0.31 ppb (4) N/A 3.0 μg/m3 (13) 22.0
 
Jan. 12, 2022, 5 a.m. 39.5 ppb (38) 18.7 ppb (18) N/A 21.0 ppb (20) N/A N/A N/A 0.36 ppb (5) N/A 5.0 μg/m3 (21) 38.0
 
Jan. 12, 2022, 4 a.m. 46.3 ppb (44) 18.4 ppb (18) N/A 28.0 ppb (27) N/A N/A N/A 0.43 ppb (5) N/A 8.0 μg/m3 (34) 44.0
 
Jan. 12, 2022, 3 a.m. 65.9 ppb (64) 33.8 ppb (32) N/A 32.0 ppb (31) N/A N/A N/A 0.71 ppb (8) N/A 12.0 μg/m3 (50) 64.0
 
Jan. 12, 2022, 2 a.m. 18.1 ppb (18) 1.5 ppb (2) N/A 17.0 ppb (17) N/A N/A N/A 0.3 ppb (4) N/A 4.0 μg/m3 (17) 18.0
 
Jan. 12, 2022, 1 a.m. 39.0 ppb (37) 14.2 ppb (14) N/A 25.0 ppb (24) N/A N/A N/A 0.44 ppb (5) N/A 3.0 μg/m3 (13) 37.0
 
Jan. 12, 2022, midnight 31.8 ppb (30) 10.1 ppb (10) N/A 22.0 ppb (21) N/A N/A N/A 0.35 ppb (4) N/A 4.0 μg/m3 (17) 30.0
 
Jan. 11, 2022, 11 p.m. 21.6 ppb (21) 4.3 ppb (5) N/A 17.0 ppb (17) N/A N/A N/A 0.24 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 11, 2022, 10 p.m. 31.5 ppb (30) 8.9 ppb (9) N/A 23.0 ppb (22) N/A N/A N/A 0.27 ppb (4) N/A 3.0 μg/m3 (13) 30.0
 
Jan. 11, 2022, 9 p.m. 59.1 ppb (57) 32.7 ppb (31) N/A 26.0 ppb (25) N/A N/A N/A 0.45 ppb (6) N/A 3.0 μg/m3 (13) 57.0
 
Jan. 11, 2022, 8 p.m. 48.9 ppb (47) 23.5 ppb (23) N/A 25.0 ppb (24) N/A N/A N/A 0.53 ppb (6) N/A 4.0 μg/m3 (17) 47.0
 
Jan. 11, 2022, 7 p.m. 81.8 ppb (81) 49.2 ppb (47) N/A 33.0 ppb (32) N/A N/A N/A 0.63 ppb (7) N/A 7.0 μg/m3 (30) 81.0
 
Jan. 11, 2022, 6 p.m. 96.4 ppb (97) 65.7 ppb (64) N/A 31.0 ppb (30) N/A N/A N/A 0.61 ppb (7) N/A 15.0 μg/m3 (58) 97.0
 
Jan. 11, 2022, 5 p.m. 96.8 ppb (97) 61.4 ppb (59) N/A 35.0 ppb (34) N/A N/A N/A 0.5 ppb (6) N/A 8.0 μg/m3 (34) 97.0
 
Jan. 11, 2022, 4 p.m. 79.0 ppb (78) 44.3 ppb (42) N/A 35.0 ppb (34) N/A N/A N/A 0.46 ppb (6) N/A 13.0 μg/m3 (53) 78.0
 
Jan. 11, 2022, 3 p.m. 102.9 ppb (102) 63.3 ppb (61) N/A 40.0 ppb (38) N/A N/A N/A 0.49 ppb (6) N/A 3.0 μg/m3 (13) 102.0
 
Jan. 11, 2022, 2 p.m. 50.6 ppb (48) 29.1 ppb (28) N/A 22.0 ppb (21) N/A N/A N/A 0.36 ppb (5) N/A 1.0 μg/m3 (5) 48.0
 
Jan. 11, 2022, 1 p.m. 8.5 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A 0.13 ppb (2) N/A 0.0 μg/m3 (0) 9.0
 
Jan. 11, 2022, noon 7.8 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.08 ppb (2) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 11, 2022, 11 a.m. 22.3 ppb (22) 8.9 ppb (9) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 11, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 11, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.22 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.25 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.44 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 11, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.38 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 11, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.61 ppb (7) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 11, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.9 ppb (11) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 11, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.56 ppb (7) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 11, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 11, 2022, midnight N/A N/A N/A N/A N/A N/A N/A 0.57 ppb (7) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 10, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.88 ppb (11) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 10, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.77 ppb (10) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 10, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 10, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.64 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 10, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.59 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 10, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.42 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 10, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.61 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 10, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.68 ppb (8) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 10, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 1.04 ppb (12) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 10, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.89 ppb (11) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 10, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.68 ppb (8) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 10, 2022, noon N/A N/A N/A N/A N/A N/A N/A 0.74 ppb (8) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 10, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.58 ppb (7) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 10, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 10, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 10, 2022, 8 a.m. 58.3 ppb (56) 32.4 ppb (31) N/A 26.0 ppb (25) N/A N/A N/A 0.64 ppb (7) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 10, 2022, 7 a.m. 52.9 ppb (50) 26.1 ppb (25) N/A 27.0 ppb (26) N/A N/A N/A 0.68 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 10, 2022, 6 a.m. 54.0 ppb (51) 26.2 ppb (25) N/A 28.0 ppb (27) N/A N/A N/A 0.79 ppb (10) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 10, 2022, 5 a.m. 68.2 ppb (67) 35.3 ppb (34) N/A 33.0 ppb (32) N/A N/A N/A 0.88 ppb (11) N/A 19.0 μg/m3 (66) 67.0
 
Jan. 10, 2022, 4 a.m. 111.2 ppb (103) 77.8 ppb (77) N/A 33.0 ppb (32) N/A N/A N/A 1.23 ppb (14) N/A 24.0 μg/m3 (77) 103.0
 
Jan. 10, 2022, 3 a.m. 73.1 ppb (72) 40.6 ppb (39) N/A 33.0 ppb (32) N/A N/A N/A 1.02 ppb (12) N/A 19.0 μg/m3 (66) 72.0
 
Jan. 10, 2022, 2 a.m. 142.1 ppb (109) 109.0 ppb (103) N/A 33.0 ppb (32) N/A N/A N/A 1.74 ppb (20) N/A 30.0 μg/m3 (89) 109.0
 
Jan. 10, 2022, 1 a.m. 104.0 ppb (102) 73.3 ppb (72) N/A 31.0 ppb (30) N/A N/A N/A 1.33 ppb (15) N/A 19.0 μg/m3 (66) 102.0
 
Jan. 10, 2022, midnight 81.2 ppb (80) 51.5 ppb (49) N/A 30.0 ppb (29) N/A N/A N/A 0.94 ppb (11) N/A 13.0 μg/m3 (53) 80.0
 
Jan. 9, 2022, 11 p.m. 49.2 ppb (47) 23.7 ppb (23) N/A 26.0 ppb (25) N/A N/A N/A 0.67 ppb (8) N/A 8.0 μg/m3 (34) 47.0
 
Jan. 9, 2022, 10 p.m. 54.7 ppb (52) 31.8 ppb (30) N/A 23.0 ppb (22) N/A N/A N/A 0.58 ppb (7) N/A 9.0 μg/m3 (38) 52.0
 
Jan. 9, 2022, 9 p.m. 63.7 ppb (62) 38.1 ppb (36) N/A 26.0 ppb (25) N/A N/A N/A 0.6 ppb (7) N/A 9.0 μg/m3 (38) 62.0
 
Jan. 9, 2022, 8 p.m. 91.8 ppb (92) 63.6 ppb (62) N/A 28.0 ppb (27) N/A N/A N/A 0.67 ppb (8) N/A 11.0 μg/m3 (46) 92.0
 
Jan. 9, 2022, 7 p.m. 103.9 ppb (102) 78.0 ppb (77) N/A 26.0 ppb (25) N/A N/A N/A 0.65 ppb (8) N/A 13.0 μg/m3 (53) 102.0
 
Jan. 9, 2022, 6 p.m. 91.1 ppb (91) 67.9 ppb (66) N/A 23.0 ppb (22) N/A N/A N/A 0.77 ppb (10) N/A 10.0 μg/m3 (42) 91.0
 
Jan. 9, 2022, 5 p.m. 123.3 ppb (106) 98.8 ppb (99) N/A 24.0 ppb (23) N/A N/A N/A 0.83 ppb (10) N/A 17.0 μg/m3 (62) 106.0
 
Jan. 9, 2022, 4 p.m. 108.8 ppb (103) 83.7 ppb (83) N/A 25.0 ppb (24) N/A N/A N/A 1.02 ppb (12) N/A 20.0 μg/m3 (68) 103.0
 
Jan. 9, 2022, 3 p.m. 65.5 ppb (64) 45.1 ppb (43) N/A 20.0 ppb (19) N/A N/A N/A 0.48 ppb (6) N/A 15.0 μg/m3 (58) 64.0
 
Jan. 9, 2022, 2 p.m. 22.6 ppb (22) 6.2 ppb (6) N/A 16.0 ppb (16) N/A N/A N/A 0.56 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 9, 2022, 1 p.m. 18.8 ppb (18) 4.8 ppb (5) N/A 14.0 ppb (14) N/A N/A N/A 0.4 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 9, 2022, noon 19.0 ppb (18) 3.9 ppb (4) N/A 15.0 ppb (15) N/A N/A N/A 0.51 ppb (6) N/A 4.0 μg/m3 (17) 18.0
 
Jan. 9, 2022, 11 a.m. 16.5 ppb (16) 2.6 ppb (3) N/A 14.0 ppb (14) N/A N/A N/A 0.33 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 9, 2022, 10 a.m. 16.0 ppb (16) 2.8 ppb (3) N/A 13.0 ppb (13) N/A N/A N/A 0.38 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 9, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0