ID: 895

AQSQID: 530330080

Site Name: Seattle-Beacon Hill

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

Updated: Jan. 18, 2022, 12:33 a.m.

Location: Seattle (N Beacon Hill), WA

Reporting: True, Located: True

Current AQI: 34.0

Seattle (N Beacon Hill) WA, US: 47.568236, -122.308628

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 17, 2022, 11 p.m. N/A 11.0 ppb (11) 26.0 ppb (25) 16.0 ppb (16) N/A 1.0 ppb (2) 3.0 ppb (3) 0.33 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 17, 2022, 10 p.m. N/A 8.5 ppb (9) 18.5 ppb (18) 11.0 ppb (11) N/A 1.0 ppb (2) 6.0 ppb (6) 0.28 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2022, 9 p.m. N/A 9.7 ppb (10) 17.5 ppb (17) 8.0 ppb (8) N/A 1.0 ppb (2) 6.0 ppb (6) 0.29 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 17, 2022, 8 p.m. N/A 10.0 ppb (10) 17.1 ppb (17) 8.0 ppb (8) N/A 1.0 ppb (2) 5.0 ppb (5) 0.29 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2022, 7 p.m. N/A 13.5 ppb (13) 22.5 ppb (22) 9.0 ppb (9) N/A 1.0 ppb (2) 3.0 ppb (3) 0.33 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2022, 6 p.m. N/A 27.9 ppb (27) 40.2 ppb (38) 13.0 ppb (13) N/A 1.0 ppb (2) 1.0 ppb (1) 0.44 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2022, 5 p.m. N/A 29.0 ppb (28) 42.4 ppb (40) 14.0 ppb (14) N/A 1.0 ppb (2) 0.0 ppb (0) 0.47 ppb (6) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 17, 2022, 4 p.m. N/A 30.4 ppb (29) 43.8 ppb (42) 14.0 ppb (14) N/A 1.0 ppb (2) 0.0 ppb (0) 0.52 ppb (6) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 17, 2022, 3 p.m. N/A 20.4 ppb (20) 33.3 ppb (32) 13.0 ppb (13) N/A 1.0 ppb (2) 0.0 ppb (0) 0.45 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 17, 2022, 2 p.m. N/A 19.2 ppb (19) 33.8 ppb (32) 15.0 ppb (15) N/A 1.0 ppb (2) 0.0 ppb (0) 0.41 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2022, 1 p.m. N/A 17.3 ppb (17) 32.2 ppb (31) 15.0 ppb (15) N/A 1.0 ppb (2) 0.0 ppb (0) 0.39 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 17, 2022, noon N/A 12.8 ppb (13) 27.4 ppb (26) 15.0 ppb (15) N/A 0.0 ppb (0) 0.0 ppb (0) 0.39 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 17, 2022, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.39 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 17, 2022, 10 a.m. N/A 14.4 ppb (14) 30.1 ppb (29) 16.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) 0.38 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 17, 2022, 9 a.m. N/A 12.7 ppb (12) 28.4 ppb (27) 16.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) 0.39 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2022, 8 a.m. N/A 5.5 ppb (6) 19.3 ppb (19) 14.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2022, 7 a.m. N/A 1.5 ppb (2) 14.8 ppb (14) 13.0 ppb (13) N/A N/A 0.0 ppb (0) 0.31 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2022, 6 a.m. N/A 5.6 ppb (6) 21.2 ppb (20) 16.0 ppb (16) N/A N/A 0.0 ppb (0) 0.32 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2022, 5 a.m. N/A 4.1 ppb (4) 19.5 ppb (19) 16.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2022, 4 a.m. N/A 5.7 ppb (6) 20.6 ppb (20) 16.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) 0.32 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2022, 3 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 0.0 ppb (0) 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2022, 2 a.m. N/A 1.7 ppb (2) 15.1 ppb (15) 14.0 ppb (14) N/A 0.0 ppb (0) 1.0 ppb (1) 0.3 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 17, 2022, 1 a.m. N/A 5.0 ppb (5) 18.8 ppb (18) 14.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) 0.31 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2022, midnight N/A 20.3 ppb (20) 36.5 ppb (35) 17.0 ppb (17) N/A 1.0 ppb (2) 0.0 ppb (0) 0.35 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 16, 2022, 11 p.m. N/A 9.8 ppb (10) 22.7 ppb (22) 14.0 ppb (14) N/A 0.0 ppb (0) 2.0 ppb (2) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 22.0
 
Jan. 16, 2022, 10 p.m. N/A 4.7 ppb (5) 13.0 ppb (13) 8.0 ppb (8) N/A 0.0 ppb (0) 6.0 ppb (6) 0.29 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2022, 9 p.m. N/A 5.7 ppb (6) 14.1 ppb (14) 9.0 ppb (9) N/A 0.0 ppb (0) 5.0 ppb (5) 0.28 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 16, 2022, 8 p.m. N/A 10.5 ppb (10) 21.5 ppb (21) 11.0 ppb (11) N/A 0.0 ppb (0) 3.0 ppb (3) 0.29 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2022, 7 p.m. N/A 7.7 ppb (8) 16.8 ppb (16) 10.0 ppb (10) N/A 0.0 ppb (0) 3.0 ppb (3) 0.27 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2022, 6 p.m. N/A 3.7 ppb (4) 9.7 ppb (10) 6.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (4) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2022, 5 p.m. N/A 3.1 ppb (3) 9.8 ppb (10) 7.0 ppb (7) N/A 0.0 ppb (0) 3.0 ppb (3) 0.21 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2022, 4 p.m. N/A 1.0 ppb (1) 7.6 ppb (8) 7.0 ppb (7) N/A 0.0 ppb (0) 3.0 ppb (3) 0.2 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Jan. 16, 2022, 3 p.m. N/A 0.4 ppb (1) 7.6 ppb (8) 8.0 ppb (8) N/A 0.0 ppb (0) 2.0 ppb (2) 0.21 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 16, 2022, 2 p.m. N/A 0.2 ppb (1) 7.1 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 2.0 ppb (2) 0.2 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 16, 2022, 1 p.m. N/A 0.1 ppb (1) 7.3 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 4.0 ppb (4) 0.18 ppb (3) N/A 1.0 μg/m3 (5) 7.0
 
Jan. 16, 2022, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.19 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 16, 2022, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.2 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Jan. 16, 2022, 10 a.m. N/A 0.2 ppb (1) 6.9 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) N/A 0.22 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2022, 9 a.m. N/A 0.1 ppb (1) 7.2 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 3.0 ppb (3) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2022, 8 a.m. N/A 0.1 ppb (1) 8.6 ppb (9) 9.0 ppb (9) N/A 0.0 ppb (0) 2.0 ppb (2) 0.25 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Jan. 16, 2022, 7 a.m. N/A 0.1 ppb (1) 8.0 ppb (8) 9.0 ppb (9) N/A 0.0 ppb (0) 4.0 ppb (4) 0.23 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 16, 2022, 6 a.m. N/A 0.1 ppb (1) 7.9 ppb (8) 8.0 ppb (8) N/A 0.0 ppb (0) 4.0 ppb (4) 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2022, 5 a.m. N/A 0.6 ppb (1) 11.2 ppb (11) 11.0 ppb (11) N/A 0.0 ppb (0) 2.0 ppb (2) 0.26 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2022, 4 a.m. N/A 0.6 ppb (1) 13.9 ppb (14) 14.0 ppb (14) N/A 0.0 ppb (0) 2.0 ppb (2) 0.26 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2022, 3 a.m. N/A 2.6 ppb (3) 18.6 ppb (18) 16.0 ppb (16) N/A 0.0 ppb (0) 1.0 ppb (1) 0.27 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 16, 2022, 2 a.m. N/A 9.9 ppb (10) 26.6 ppb (26) 18.0 ppb (17) N/A 0.0 ppb (0) 0.0 ppb (0) 0.28 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2022, 1 a.m. N/A 9.5 ppb (9) 28.4 ppb (27) 20.0 ppb (19) N/A 0.0 ppb (0) 0.0 ppb (0) 0.29 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2022, midnight N/A 21.6 ppb (21) 43.0 ppb (41) 22.0 ppb (21) N/A 1.0 ppb (2) 0.0 ppb (0) 0.32 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2022, 11 p.m. N/A 32.3 ppb (31) 53.7 ppb (51) 22.0 ppb (21) N/A 1.0 ppb (2) 0.0 ppb (0) 0.41 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 15, 2022, 10 p.m. N/A 47.5 ppb (45) 69.0 ppb (67) 22.0 ppb (21) N/A 1.0 ppb (2) 0.0 ppb (0) 0.47 ppb (6) N/A 19.0 μg/m3 (66) 67.0
 
Jan. 15, 2022, 9 p.m. N/A 47.6 ppb (45) 67.6 ppb (66) 20.0 ppb (19) N/A 1.0 ppb (2) 1.0 ppb (1) 0.51 ppb (6) N/A 26.0 μg/m3 (81) 81.0
 
Jan. 15, 2022, 8 p.m. N/A 27.6 ppb (27) 43.2 ppb (41) 16.0 ppb (16) N/A 1.0 ppb (2) 1.0 ppb (1) 0.46 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 15, 2022, 7 p.m. N/A 25.1 ppb (24) 39.0 ppb (37) 15.0 ppb (15) N/A 1.0 ppb (2) 1.0 ppb (1) 0.46 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2022, 6 p.m. N/A 26.8 ppb (26) 40.0 ppb (38) 14.0 ppb (14) N/A 1.0 ppb (2) 1.0 ppb (1) 0.46 ppb (6) N/A 7.0 μg/m3 (30) 38.0
 
Jan. 15, 2022, 5 p.m. N/A 36.1 ppb (35) 50.5 ppb (48) 15.0 ppb (15) N/A 1.0 ppb (2) 0.0 ppb (0) 0.51 ppb (6) N/A 9.0 μg/m3 (38) 48.0
 
Jan. 15, 2022, 4 p.m. N/A 46.8 ppb (45) 61.7 ppb (60) 16.0 ppb (16) N/A 1.0 ppb (2) 0.0 ppb (0) 0.61 ppb (7) N/A 11.0 μg/m3 (46) 60.0
 
Jan. 15, 2022, 3 p.m. N/A 53.9 ppb (51) 66.3 ppb (65) 13.0 ppb (13) N/A 1.0 ppb (2) 0.0 ppb (0) 0.67 ppb (8) N/A 11.0 μg/m3 (46) 65.0
 
Jan. 15, 2022, 2 p.m. N/A 52.3 ppb (50) 64.6 ppb (63) 13.0 ppb (13) N/A 1.0 ppb (2) 0.0 ppb (0) 0.67 ppb (8) N/A 13.0 μg/m3 (53) 63.0
 
Jan. 15, 2022, 1 p.m. N/A 42.0 ppb (40) 53.6 ppb (51) 12.0 ppb (12) N/A 1.0 ppb (2) 0.0 ppb (0) 0.62 ppb (7) N/A 9.0 μg/m3 (38) 51.0
 
Jan. 15, 2022, noon N/A 35.7 ppb (34) 47.3 ppb (45) 12.0 ppb (12) N/A 1.0 ppb (2) 0.0 ppb (0) 0.6 ppb (7) N/A 10.0 μg/m3 (42) 45.0
 
Jan. 15, 2022, 11 a.m. N/A 35.9 ppb (34) 47.3 ppb (45) 12.0 ppb (12) N/A 1.0 ppb (2) 0.0 ppb (0) 0.61 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2022, 10 a.m. N/A 48.1 ppb (46) 60.8 ppb (59) 13.0 ppb (13) N/A 1.0 ppb (2) 0.0 ppb (0) 0.66 ppb (8) N/A 14.0 μg/m3 (55) 59.0
 
Jan. 15, 2022, 9 a.m. N/A 48.8 ppb (47) 61.8 ppb (60) 14.0 ppb (14) N/A 1.0 ppb (2) 0.0 ppb (0) 0.67 ppb (8) N/A 14.0 μg/m3 (55) 60.0
 
Jan. 15, 2022, 8 a.m. N/A 49.5 ppb (47) 62.0 ppb (60) 13.0 ppb (13) N/A 1.0 ppb (2) 0.0 ppb (0) 0.71 ppb (8) N/A 13.0 μg/m3 (53) 60.0
 
Jan. 15, 2022, 7 a.m. N/A 94.1 ppb (94) 113.1 ppb (104) 20.0 ppb (19) N/A 2.0 ppb (3) 0.0 ppb (0) 0.94 ppb (11) N/A 23.0 μg/m3 (74) 104.0
 
Jan. 15, 2022, 6 a.m. N/A 39.7 ppb (38) 56.3 ppb (54) 18.0 ppb (17) N/A 1.0 ppb (2) 0.0 ppb (0) 0.58 ppb (7) N/A 11.0 μg/m3 (46) 54.0
 
Jan. 15, 2022, 5 a.m. N/A 45.7 ppb (44) 63.5 ppb (62) 20.0 ppb (19) N/A 1.0 ppb (2) 0.0 ppb (0) 0.56 ppb (7) N/A 11.0 μg/m3 (46) 62.0
 
Jan. 15, 2022, 4 a.m. N/A 57.3 ppb (55) 76.6 ppb (76) 21.0 ppb (20) N/A 1.0 ppb (2) 0.0 ppb (0) 0.53 ppb (6) N/A 13.0 μg/m3 (53) 76.0
 
Jan. 15, 2022, 3 a.m. N/A 52.7 ppb (50) 74.5 ppb (73) 23.0 ppb (22) N/A 1.0 ppb (2) 0.0 ppb (0) 0.35 ppb (4) N/A 9.0 μg/m3 (38) 73.0
 
Jan. 15, 2022, 2 a.m. N/A 67.1 ppb (65) 89.2 ppb (89) 24.0 ppb (23) N/A 2.0 ppb (3) 0.0 ppb (0) 0.46 ppb (6) N/A 10.0 μg/m3 (42) 89.0
 
Jan. 15, 2022, 1 a.m. N/A 47.3 ppb (45) 68.2 ppb (67) 22.0 ppb (21) N/A 1.0 ppb (2) 0.0 ppb (0) 0.42 ppb (5) N/A 8.0 μg/m3 (34) 67.0
 
Jan. 15, 2022, midnight N/A 61.6 ppb (60) 82.9 ppb (82) 22.0 ppb (21) N/A 1.0 ppb (2) 0.0 ppb (0) 0.48 ppb (6) N/A 12.0 μg/m3 (50) 82.0
 
Jan. 14, 2022, 11 p.m. N/A 14.0 ppb (14) 28.9 ppb (28) 16.0 ppb (16) N/A 0.0 ppb (0) 2.0 ppb (2) 0.38 ppb (5) N/A 5.0 μg/m3 (21) 28.0
 
Jan. 14, 2022, 10 p.m. N/A 11.4 ppb (11) 24.8 ppb (24) 14.0 ppb (14) N/A 0.0 ppb (0) 5.0 ppb (5) 0.29 ppb (4) N/A 5.0 μg/m3 (21) 24.0
 
Jan. 14, 2022, 9 p.m. N/A 20.6 ppb (20) 33.6 ppb (32) 14.0 ppb (14) N/A 1.0 ppb (2) 5.0 ppb (5) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 32.0
 
Jan. 14, 2022, 8 p.m. N/A 28.7 ppb (28) 43.2 ppb (41) 16.0 ppb (16) N/A 1.0 ppb (2) 2.0 ppb (2) 0.4 ppb (5) N/A 7.0 μg/m3 (30) 41.0
 
Jan. 14, 2022, 7 p.m. N/A 35.4 ppb (34) 51.1 ppb (49) 17.0 ppb (17) N/A 1.0 ppb (2) 2.0 ppb (2) 0.45 ppb (6) N/A 7.0 μg/m3 (30) 49.0
 
Jan. 14, 2022, 6 p.m. N/A 37.5 ppb (36) 50.9 ppb (49) 14.0 ppb (14) N/A 1.0 ppb (2) 1.0 ppb (1) 0.48 ppb (6) N/A 9.0 μg/m3 (38) 49.0
 
Jan. 14, 2022, 5 p.m. N/A 50.0 ppb (48) 64.1 ppb (62) 15.0 ppb (15) N/A 1.0 ppb (2) 0.0 ppb (0) 0.5 ppb (6) N/A 7.0 μg/m3 (30) 62.0
 
Jan. 14, 2022, 4 p.m. N/A 12.2 ppb (12) 24.1 ppb (23) 13.0 ppb (13) N/A 0.0 ppb (0) 1.0 ppb (1) 0.32 ppb (4) N/A 3.0 μg/m3 (13) 23.0
 
Jan. 14, 2022, 3 p.m. N/A 8.4 ppb (8) 18.3 ppb (18) 11.0 ppb (11) N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (4) N/A 3.0 μg/m3 (13) 18.0
 
Jan. 14, 2022, 2 p.m. N/A 7.1 ppb (7) 17.8 ppb (17) 12.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2022, 1 p.m. N/A 6.6 ppb (7) 17.8 ppb (17) 12.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) 0.27 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2022, noon N/A 7.5 ppb (8) 19.0 ppb (18) 13.0 ppb (13) N/A 0.0 ppb (0) 0.0 ppb (0) 0.26 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2022, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.32 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2022, 10 a.m. N/A 0.1 ppb (1) 5.1 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 7.0 ppb (7) 0.19 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2022, 9 a.m. N/A 0.5 ppb (1) 5.7 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 8.0 ppb (8) 0.19 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 14, 2022, 8 a.m. N/A 6.1 ppb (6) 21.6 ppb (21) 16.0 ppb (16) N/A 0.0 ppb (0) 1.0 ppb (1) 0.36 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2022, 7 a.m. N/A 32.9 ppb (32) 55.5 ppb (53) 25.0 ppb (24) N/A N/A 0.0 ppb (0) 0.44 ppb (5) N/A 10.0 μg/m3 (42) 53.0
 
Jan. 14, 2022, 6 a.m. N/A 38.6 ppb (37) 65.1 ppb (63) 28.0 ppb (27) N/A N/A 0.0 ppb (0) 0.45 ppb (6) N/A 11.0 μg/m3 (46) 63.0
 
Jan. 14, 2022, 5 a.m. N/A 5.1 ppb (5) 24.0 ppb (23) 21.0 ppb (20) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2022, 4 a.m. N/A 1.2 ppb (2) 17.3 ppb (17) 17.0 ppb (17) N/A 0.0 ppb (0) 8.0 ppb (8) 0.34 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 14, 2022, 3 a.m. N/A N/A N/A 28.0 ppb (27) N/A 0.0 ppb (0) 2.0 ppb (2) 0.45 ppb (6) N/A 6.0 μg/m3 (25) 27.0
 
Jan. 14, 2022, 2 a.m. N/A 16.4 ppb (16) 44.2 ppb (42) 31.0 ppb (30) N/A 0.0 ppb (0) 0.0 ppb (0) 0.46 ppb (6) N/A 7.0 μg/m3 (30) 42.0
 
Jan. 14, 2022, 1 a.m. N/A 5.5 ppb (6) 33.2 ppb (32) 31.0 ppb (30) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (4) N/A 5.0 μg/m3 (21) 32.0
 
Jan. 14, 2022, midnight N/A 3.5 ppb (4) 21.2 ppb (20) 20.0 ppb (19) N/A 0.0 ppb (0) 14.0 ppb (13) 0.22 ppb (3) N/A 1.0 μg/m3 (5) 20.0
 
Jan. 13, 2022, 11 p.m. N/A 0.4 ppb (1) 5.2 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) N/A 1.0 μg/m3 (5) 28.0
 
Jan. 13, 2022, 10 p.m. N/A 3.2 ppb (4) 15.4 ppb (15) 14.0 ppb (14) N/A 0.0 ppb (0) 16.0 ppb (15) 0.21 ppb (3) N/A 3.0 μg/m3 (13) 15.0
 
Jan. 13, 2022, 9 p.m. N/A 2.4 ppb (3) 11.1 ppb (11) 10.0 ppb (10) N/A 0.0 ppb (0) 19.0 ppb (18) 0.2 ppb (3) N/A 2.0 μg/m3 (9) 18.0
 
Jan. 13, 2022, 8 p.m. N/A 6.5 ppb (7) 18.2 ppb (18) 12.0 ppb (12) N/A 0.0 ppb (0) 12.0 ppb (12) 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2022, 7 p.m. N/A 18.4 ppb (18) 36.3 ppb (35) 19.0 ppb (18) N/A 1.0 ppb (2) 6.0 ppb (6) 0.31 ppb (4) N/A 6.0 μg/m3 (25) 35.0
 
Jan. 13, 2022, 6 p.m. N/A 19.5 ppb (19) 38.5 ppb (37) 21.0 ppb (20) N/A 1.0 ppb (2) 4.0 ppb (4) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 37.0
 
Jan. 13, 2022, 5 p.m. N/A 12.5 ppb (12) 32.2 ppb (31) 22.0 ppb (21) N/A 0.0 ppb (0) 4.0 ppb (4) 0.31 ppb (4) N/A 2.0 μg/m3 (9) 31.0
 
Jan. 13, 2022, 4 p.m. N/A 4.3 ppb (5) 22.5 ppb (22) 20.0 ppb (19) N/A 0.0 ppb (0) 5.0 ppb (5) 0.26 ppb (4) N/A 3.0 μg/m3 (13) 22.0
 
Jan. 13, 2022, 3 p.m. N/A 4.1 ppb (4) 21.4 ppb (21) 19.0 ppb (18) N/A 0.0 ppb (0) 1.0 ppb (1) 0.25 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2022, 2 p.m. N/A 4.6 ppb (5) 20.4 ppb (20) 18.0 ppb (17) N/A 0.0 ppb (0) 1.0 ppb (1) 0.21 ppb (3) N/A 4.0 μg/m3 (17) 20.0
 
Jan. 13, 2022, 1 p.m. N/A 7.7 ppb (8) 15.2 ppb (15) 8.0 ppb (8) N/A 0.0 ppb (0) 9.0 ppb (9) 0.18 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2022, noon N/A 0.0 ppb (0) 3.8 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (12) 0.14 ppb (2) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 13, 2022, 11 a.m. N/A 0.1 ppb (1) 7.9 ppb (8) 8.0 ppb (8) N/A 0.0 ppb (0) 5.0 ppb (5) 0.18 ppb (3) N/A 0.0 μg/m3 (0) 8.0
 
Jan. 13, 2022, 10 a.m. N/A 3.6 ppb (4) 13.8 ppb (14) 11.0 ppb (11) N/A 0.0 ppb (0) N/A 0.21 ppb (3) N/A 1.0 μg/m3 (5) 14.0
 
Jan. 13, 2022, 9 a.m. N/A 22.0 ppb (21) 34.6 ppb (33) 14.0 ppb (14) N/A 1.0 ppb (2) 3.0 ppb (3) 0.31 ppb (4) N/A 4.0 μg/m3 (17) 33.0
 
Jan. 13, 2022, 8 a.m. N/A 3.1 ppb (3) 17.3 ppb (17) 15.0 ppb (15) N/A 0.0 ppb (0) 1.0 ppb (1) 0.26 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2022, 7 a.m. N/A 7.4 ppb (7) 20.8 ppb (20) 15.0 ppb (15) N/A 0.0 ppb (0) 1.0 ppb (1) 0.26 ppb (4) N/A 3.0 μg/m3 (13) 20.0
 
Jan. 13, 2022, 6 a.m. N/A 0.2 ppb (1) 5.5 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (10) 0.17 ppb (3) N/A 1.0 μg/m3 (5) 10.0
 
Jan. 13, 2022, 5 a.m. N/A 2.5 ppb (3) 13.7 ppb (13) 12.0 ppb (12) N/A 0.0 ppb (0) 4.0 ppb (4) 0.25 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 13, 2022, 4 a.m. N/A 4.2 ppb (4) 15.1 ppb (15) 11.0 ppb (11) N/A 0.0 ppb (0) 6.0 ppb (6) 0.26 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2022, 3 a.m. N/A 8.0 ppb (8) 27.6 ppb (27) 21.0 ppb (20) N/A 1.0 ppb (2) 2.0 ppb (2) 0.41 ppb (5) N/A 6.0 μg/m3 (25) 27.0
 
Jan. 13, 2022, 2 a.m. N/A 4.9 ppb (5) 28.1 ppb (27) 26.0 ppb (25) N/A 1.0 ppb (2) 4.0 ppb (4) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 27.0
 
Jan. 13, 2022, 1 a.m. N/A 2.9 ppb (3) 21.2 ppb (20) 20.0 ppb (19) N/A 1.0 ppb (2) 8.0 ppb (8) 0.3 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2022, midnight N/A 2.5 ppb (3) 17.1 ppb (17) 16.0 ppb (16) N/A 0.0 ppb (0) 11.0 ppb (11) 0.24 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 12, 2022, 11 p.m. N/A 7.5 ppb (8) 24.3 ppb (23) 18.0 ppb (17) N/A 0.0 ppb (0) 8.0 ppb (8) 0.26 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 12, 2022, 10 p.m. N/A 22.5 ppb (22) 47.3 ppb (45) 27.0 ppb (26) N/A 1.0 ppb (2) 2.0 ppb (2) 0.29 ppb (4) N/A 8.0 μg/m3 (34) 45.0
 
Jan. 12, 2022, 9 p.m. N/A 13.0 ppb (13) 35.5 ppb (34) 25.0 ppb (24) N/A 0.0 ppb (0) 3.0 ppb (3) 0.37 ppb (5) N/A 7.0 μg/m3 (30) 34.0
 
Jan. 12, 2022, 8 p.m. N/A 14.9 ppb (15) 37.6 ppb (36) 25.0 ppb (24) N/A 1.0 ppb (2) 3.0 ppb (3) 0.4 ppb (5) N/A 2.0 μg/m3 (9) 36.0
 
Jan. 12, 2022, 7 p.m. N/A 9.7 ppb (10) 33.2 ppb (32) 26.0 ppb (25) N/A 0.0 ppb (0) 3.0 ppb (3) 0.3 ppb (4) N/A 2.0 μg/m3 (9) 32.0
 
Jan. 12, 2022, 6 p.m. N/A 6.5 ppb (7) 29.7 ppb (29) 25.0 ppb (24) N/A 0.0 ppb (0) 4.0 ppb (4) 0.26 ppb (4) N/A 3.0 μg/m3 (13) 29.0
 
Jan. 12, 2022, 5 p.m. N/A 5.0 ppb (5) 29.1 ppb (28) 28.0 ppb (27) N/A 0.0 ppb (0) 4.0 ppb (4) 0.29 ppb (4) N/A 3.0 μg/m3 (13) 28.0
 
Jan. 12, 2022, 4 p.m. N/A 1.1 ppb (2) 18.1 ppb (18) 19.0 ppb (18) N/A 0.0 ppb (0) 12.0 ppb (12) 0.23 ppb (3) N/A 2.0 μg/m3 (9) 18.0
 
Jan. 12, 2022, 3 p.m. N/A 0.5 ppb (1) 15.1 ppb (15) 17.0 ppb (17) N/A 0.0 ppb (0) 15.0 ppb (14) 0.2 ppb (3) N/A 2.0 μg/m3 (9) 17.0
 
Jan. 12, 2022, 2 p.m. N/A 0.1 ppb (1) 13.2 ppb (13) 15.0 ppb (15) N/A 0.0 ppb (0) 17.0 ppb (16) 0.19 ppb (3) N/A 1.0 μg/m3 (5) 16.0
 
Jan. 12, 2022, 1 p.m. N/A 0.0 ppb (0) 9.9 ppb (10) 11.0 ppb (11) N/A 0.0 ppb (0) 19.0 ppb (18) 0.17 ppb (3) N/A 0.0 μg/m3 (0) 18.0
 
Jan. 12, 2022, noon N/A 0.0 ppb (0) 8.0 ppb (8) 9.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (20) 0.15 ppb (2) N/A -1.0 μg/m3 (0) 20.0
 
Jan. 12, 2022, 11 a.m. N/A 0.4 ppb (1) 10.5 ppb (10) 9.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (20) 0.16 ppb (3) N/A -1.0 μg/m3 (0) 20.0
 
Jan. 12, 2022, 10 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (21) 0.15 ppb (2) N/A 0.0 μg/m3 (0) 21.0
 
Jan. 12, 2022, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (24) 0.13 ppb (2) N/A 2.0 μg/m3 (9) 24.0
 
Jan. 12, 2022, 8 a.m. N/A 0.0 ppb (0) 2.5 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) 0.13 ppb (2) N/A 3.0 μg/m3 (13) 25.0
 
Jan. 12, 2022, 7 a.m. N/A 0.0 ppb (0) 5.6 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (23) 0.15 ppb (2) N/A 2.0 μg/m3 (9) 23.0
 
Jan. 12, 2022, 6 a.m. N/A 0.0 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.13 ppb (2) N/A 1.0 μg/m3 (5) 25.0
 
Jan. 12, 2022, 5 a.m. N/A 0.0 ppb (0) 3.5 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.14 ppb (2) N/A 0.0 μg/m3 (0) 26.0
 
Jan. 12, 2022, 4 a.m. N/A 0.1 ppb (1) 8.9 ppb (9) 9.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (23) 0.19 ppb (3) N/A 3.0 μg/m3 (13) 23.0
 
Jan. 12, 2022, 3 a.m. N/A 0.7 ppb (1) 18.8 ppb (18) 21.0 ppb (20) N/A 0.0 ppb (0) 14.0 ppb (13) 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2022, 2 a.m. N/A 0.8 ppb (1) 15.1 ppb (15) 16.0 ppb (16) N/A 0.0 ppb (0) 18.0 ppb (17) 0.22 ppb (3) N/A 3.0 μg/m3 (13) 17.0
 
Jan. 12, 2022, 1 a.m. N/A 0.9 ppb (1) 18.6 ppb (18) 20.0 ppb (19) N/A 0.0 ppb (0) 14.0 ppb (13) 0.23 ppb (3) N/A 3.0 μg/m3 (13) 19.0
 
Jan. 12, 2022, midnight N/A 1.4 ppb (2) 18.1 ppb (18) 19.0 ppb (18) N/A 0.0 ppb (0) 14.0 ppb (13) 0.23 ppb (3) N/A 3.0 μg/m3 (13) 18.0
 
Jan. 11, 2022, 11 p.m. N/A 1.3 ppb (2) 15.8 ppb (15) 17.0 ppb (17) N/A 0.0 ppb (0) 15.0 ppb (14) 0.23 ppb (3) N/A 2.0 μg/m3 (9) 17.0
 
Jan. 11, 2022, 10 p.m. N/A 3.1 ppb (3) 22.1 ppb (21) 21.0 ppb (20) N/A 0.0 ppb (0) 11.0 ppb (11) 0.27 ppb (4) N/A 1.0 μg/m3 (5) 21.0
 
Jan. 11, 2022, 9 p.m. N/A 6.7 ppb (7) 27.4 ppb (26) 24.0 ppb (23) N/A 0.0 ppb (0) 10.0 ppb (10) 0.27 ppb (4) N/A 2.0 μg/m3 (9) 26.0
 
Jan. 11, 2022, 8 p.m. N/A 4.8 ppb (5) 22.8 ppb (22) 20.0 ppb (19) N/A 0.0 ppb (0) 14.0 ppb (13) 0.25 ppb (3) N/A 3.0 μg/m3 (13) 22.0
 
Jan. 11, 2022, 7 p.m. N/A 8.9 ppb (9) 32.4 ppb (31) 25.0 ppb (24) N/A 0.0 ppb (0) 9.0 ppb (9) 0.31 ppb (4) N/A 5.0 μg/m3 (21) 31.0
 
Jan. 11, 2022, 6 p.m. N/A 5.9 ppb (6) 28.7 ppb (28) 26.0 ppb (25) N/A 0.0 ppb (0) 8.0 ppb (8) 0.5 ppb (6) N/A 5.0 μg/m3 (21) 28.0
 
Jan. 11, 2022, 5 p.m. N/A 4.5 ppb (5) 30.7 ppb (29) 29.0 ppb (28) N/A 0.0 ppb (0) 5.0 ppb (5) 0.28 ppb (4) N/A 4.0 μg/m3 (17) 29.0
 
Jan. 11, 2022, 4 p.m. N/A 2.0 ppb (2) 24.1 ppb (23) 26.0 ppb (25) N/A 0.0 ppb (0) 10.0 ppb (10) 0.24 ppb (3) N/A 3.0 μg/m3 (13) 25.0
 
Jan. 11, 2022, 3 p.m. N/A 1.6 ppb (2) 17.9 ppb (17) 18.0 ppb (17) N/A 0.0 ppb (0) 17.0 ppb (16) 0.19 ppb (3) N/A 2.0 μg/m3 (9) 17.0
 
Jan. 11, 2022, 2 p.m. N/A 0.7 ppb (1) 10.1 ppb (10) 11.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (20) 0.16 ppb (3) N/A 1.0 μg/m3 (5) 20.0
 
Jan. 11, 2022, 1 p.m. N/A 0.0 ppb (0) 7.0 ppb (7) 8.0 ppb (8) N/A 0.0 ppb (0) 20.0 ppb (19) 0.16 ppb (3) N/A 2.0 μg/m3 (9) 19.0
 
Jan. 11, 2022, noon N/A 0.3 ppb (1) 7.8 ppb (8) 8.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (20) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 20.0
 
Jan. 11, 2022, 11 a.m. N/A 0.8 ppb (1) 11.6 ppb (11) 12.0 ppb (12) N/A 0.0 ppb (0) N/A 0.16 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 11, 2022, 10 a.m. N/A 0.2 ppb (1) 10.4 ppb (10) 11.0 ppb (11) N/A 0.0 ppb (0) N/A 0.16 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2022, 9 a.m. N/A 16.4 ppb (16) 39.5 ppb (38) 25.0 ppb (24) N/A 1.0 ppb (2) 2.0 ppb (2) 0.24 ppb (3) N/A 7.0 μg/m3 (30) 38.0
 
Jan. 11, 2022, 8 a.m. N/A 11.8 ppb (12) 29.2 ppb (28) 19.0 ppb (18) N/A 0.0 ppb (0) 12.0 ppb (12) 0.24 ppb (3) N/A 4.0 μg/m3 (17) 28.0
 
Jan. 11, 2022, 7 a.m. N/A 0.1 ppb (1) 7.4 ppb (7) 8.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2022, 6 a.m. N/A 0.8 ppb (1) 15.8 ppb (15) 16.0 ppb (16) N/A 0.0 ppb (0) 14.0 ppb (13) 0.27 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2022, 5 a.m. N/A 0.5 ppb (1) 17.0 ppb (17) 19.0 ppb (18) N/A 0.0 ppb (0) 10.0 ppb (10) 0.3 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2022, 4 a.m. N/A 2.6 ppb (3) 20.6 ppb (20) 19.0 ppb (18) N/A 0.0 ppb (0) 7.0 ppb (7) 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2022, 3 a.m. N/A 5.5 ppb (6) 26.8 ppb (26) 23.0 ppb (22) N/A 0.0 ppb (0) 3.0 ppb (3) 0.38 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 11, 2022, 2 a.m. N/A 5.4 ppb (6) 26.4 ppb (25) 22.0 ppb (21) N/A 0.0 ppb (0) 5.0 ppb (5) 0.39 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 11, 2022, 1 a.m. N/A 3.1 ppb (3) 22.8 ppb (22) 21.0 ppb (20) N/A 0.0 ppb (0) 6.0 ppb (6) 0.36 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 11, 2022, midnight N/A 3.7 ppb (4) 25.7 ppb (25) 24.0 ppb (23) N/A 0.0 ppb (0) 5.0 ppb (5) 0.32 ppb (4) N/A 7.0 μg/m3 (30) 30.0