ID: 1118

AQSQID: 295100085

Site Name: Blair Street

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

Updated: Jan. 17, 2022, 3:33 p.m.

Location: Saint Louis (Hyde Park), MO

Reporting: True, Located: True

Current AQI: 37.0

Saint Louis (Hyde Park) MO, US: 38.656449, -90.198548

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 17, 2022, 2 p.m. 12.4 ppb (12) 2.9 ppb (3) 11.6 ppb (11) 10.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (25) 0.38 ppb (5) 11.0 μg/m3 (11) 8.8 μg/m3 (37) 37.0
 
Jan. 17, 2022, 1 p.m. 4.7 ppb (5) 0.9 ppb (1) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) 0.16 ppb (3) 9.0 μg/m3 (9) 4.8 μg/m3 (20) 30.0
 
Jan. 17, 2022, noon 2.2 ppb (3) 0.4 ppb (1) 3.0 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.14 ppb (2) 9.0 μg/m3 (9) 2.3 μg/m3 (10) 32.0
 
Jan. 17, 2022, 11 a.m. 1.6 ppb (2) 0.3 ppb (1) 2.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.13 ppb (2) 10.0 μg/m3 (10) 5.1 μg/m3 (22) 32.0
 
Jan. 17, 2022, 10 a.m. 1.5 ppb (2) 0.3 ppb (1) 3.0 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) 0.13 ppb (2) 11.0 μg/m3 (11) 8.6 μg/m3 (36) 36.0
 
Jan. 17, 2022, 9 a.m. 2.1 ppb (2) 0.3 ppb (1) 3.9 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) 0.13 ppb (2) 13.0 μg/m3 (13) 10.5 μg/m3 (44) 44.0
 
Jan. 17, 2022, 8 a.m. 3.4 ppb (4) 0.3 ppb (1) 5.3 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.14 ppb (2) 15.0 μg/m3 (14) 7.9 μg/m3 (33) 33.0
 
Jan. 17, 2022, 7 a.m. 3.7 ppb (4) 0.3 ppb (1) 5.6 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.14 ppb (2) 16.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
Jan. 17, 2022, 6 a.m. 3.8 ppb (4) 0.3 ppb (1) 5.7 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (27) 0.14 ppb (2) 16.0 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
Jan. 17, 2022, 5 a.m. 3.9 ppb (4) 0.3 ppb (1) 5.8 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.18 ppb (3) 17.0 μg/m3 (16) 10.4 μg/m3 (44) 44.0
 
Jan. 17, 2022, 4 a.m. 3.3 ppb (4) 0.3 ppb (1) 5.1 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) 0.17 ppb (3) 17.0 μg/m3 (16) 12.8 μg/m3 (53) 53.0
 
Jan. 17, 2022, 3 a.m. 3.9 ppb (4) 0.4 ppb (1) 5.5 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.18 ppb (3) 16.0 μg/m3 (15) 11.3 μg/m3 (48) 48.0
 
Jan. 17, 2022, 2 a.m. 4.2 ppb (4) 0.3 ppb (1) 5.7 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.19 ppb (3) 16.0 μg/m3 (15) 9.2 μg/m3 (39) 39.0
 
Jan. 17, 2022, 1 a.m. 5.4 ppb (6) 0.5 ppb (1) 6.9 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) 0.21 ppb (3) 15.0 μg/m3 (14) 11.7 μg/m3 (49) 49.0
 
Jan. 17, 2022, midnight 10.5 ppb (10) 0.4 ppb (1) 12.1 ppb (12) 10.0 ppb (10) N/A 1.0 ppb (2) 25.0 ppb (24) 0.24 ppb (3) 19.0 μg/m3 (18) 13.2 μg/m3 (54) 54.0
 
Jan. 16, 2022, 11 p.m. 6.9 ppb (7) 0.3 ppb (1) 8.3 ppb (8) 7.0 ppb (7) N/A 1.0 ppb (2) 30.0 ppb (28) 0.21 ppb (3) 15.0 μg/m3 (14) 9.6 μg/m3 (40) 40.0
 
Jan. 16, 2022, 10 p.m. 6.3 ppb (6) 0.7 ppb (1) 8.0 ppb (8) 6.0 ppb (6) N/A 1.0 ppb (2) 31.0 ppb (29) 0.21 ppb (3) 15.0 μg/m3 (14) 11.6 μg/m3 (49) 49.0
 
Jan. 16, 2022, 9 p.m. 4.8 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 32.0 ppb (30) 0.19 ppb (3) 16.0 μg/m3 (15) 15.3 μg/m3 (58) 58.0
 
Jan. 16, 2022, 8 p.m. 5.1 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 32.0 ppb (30) 0.19 ppb (3) 17.0 μg/m3 (16) 8.4 μg/m3 (36) 36.0
 
Jan. 16, 2022, 7 p.m. 4.6 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 31.0 ppb (29) 0.18 ppb (3) 16.0 μg/m3 (15) 11.5 μg/m3 (48) 48.0
 
Jan. 16, 2022, 6 p.m. 5.0 ppb (5) 2.3 ppb (3) 8.0 ppb (8) 3.0 ppb (3) N/A 1.0 ppb (2) 29.0 ppb (27) 0.18 ppb (3) 17.0 μg/m3 (16) 10.3 μg/m3 (43) 43.0
 
Jan. 16, 2022, 5 p.m. 5.3 ppb (5) 2.6 ppb (3) 8.2 ppb (8) 3.0 ppb (3) N/A 1.0 ppb (2) 25.0 ppb (24) 0.26 ppb (4) 18.0 μg/m3 (17) 11.3 μg/m3 (48) 48.0
 
Jan. 16, 2022, 4 p.m. 12.7 ppb (12) 6.9 ppb (7) 15.5 ppb (15) 6.0 ppb (6) N/A 2.0 ppb (3) 19.0 ppb (18) 0.28 ppb (4) 20.0 μg/m3 (19) 10.1 μg/m3 (43) 43.0
 
Jan. 16, 2022, 3 p.m. 10.1 ppb (10) 4.7 ppb (5) 12.7 ppb (12) 6.0 ppb (6) N/A N/A 18.0 ppb (17) 0.29 ppb (4) 19.0 μg/m3 (18) 12.9 μg/m3 (53) 53.0
 
Jan. 16, 2022, 2 p.m. 11.7 ppb (12) 3.7 ppb (4) 13.5 ppb (13) 8.0 ppb (8) N/A N/A 16.0 ppb (15) 0.31 ppb (4) 18.0 μg/m3 (17) 13.9 μg/m3 (55) 55.0
 
Jan. 16, 2022, 1 p.m. 12.6 ppb (12) 1.3 ppb (2) 13.5 ppb (13) 11.0 ppb (11) N/A 0.0 ppb (0) 13.0 ppb (13) 0.29 ppb (4) 17.0 μg/m3 (16) 12.3 μg/m3 (52) 52.0
 
Jan. 16, 2022, noon 11.4 ppb (11) 0.6 ppb (1) 12.2 ppb (12) 11.0 ppb (11) N/A 0.0 ppb (0) 14.0 ppb (13) 0.25 ppb (3) 16.0 μg/m3 (15) 12.2 μg/m3 (52) 52.0
 
Jan. 16, 2022, 11 a.m. 13.6 ppb (13) 0.8 ppb (1) 14.0 ppb (14) 13.0 ppb (13) N/A 0.0 ppb (0) 13.0 ppb (13) N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2022, 10 a.m. 11.6 ppb (11) 0.7 ppb (1) 12.2 ppb (12) 11.0 ppb (11) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 15.0 μg/m3 (14) 12.4 μg/m3 (52) 52.0
 
Jan. 16, 2022, 9 a.m. 10.1 ppb (10) 0.6 ppb (1) 10.5 ppb (10) 10.0 ppb (10) N/A 0.0 ppb (0) 16.0 ppb (15) 0.19 ppb (3) 14.0 μg/m3 (13) 10.3 μg/m3 (43) 43.0
 
Jan. 16, 2022, 8 a.m. 8.7 ppb (9) 0.5 ppb (1) 9.2 ppb (9) 8.0 ppb (8) N/A 0.0 ppb (0) N/A 0.19 ppb (3) 14.0 μg/m3 (13) 3.1 μg/m3 (13) 13.0
 
Jan. 16, 2022, 7 a.m. 7.8 ppb (8) 0.5 ppb (1) 8.2 ppb (8) 7.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (20) 0.17 ppb (3) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 20.0
 
Jan. 16, 2022, 6 a.m. 10.2 ppb (10) 1.2 ppb (2) 10.9 ppb (11) 9.0 ppb (9) N/A 0.0 ppb (0) 18.0 ppb (17) 0.16 ppb (3) 12.0 μg/m3 (12) 3.3 μg/m3 (14) 17.0
 
Jan. 16, 2022, 5 a.m. 9.1 ppb (9) 0.7 ppb (1) 8.9 ppb (9) 9.0 ppb (9) N/A 0.0 ppb (0) 20.0 ppb (19) 0.2 ppb (3) 12.0 μg/m3 (12) 7.6 μg/m3 (32) 32.0
 
Jan. 16, 2022, 4 a.m. 8.3 ppb (8) 0.5 ppb (1) 8.4 ppb (8) 8.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (21) 0.21 ppb (3) 10.0 μg/m3 (10) 8.2 μg/m3 (35) 35.0
 
Jan. 16, 2022, 3 a.m. 7.7 ppb (8) 0.5 ppb (1) 7.7 ppb (8) 7.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (22) 0.2 ppb (3) 10.0 μg/m3 (10) 0.9 μg/m3 (4) 22.0
 
Jan. 16, 2022, 2 a.m. 6.2 ppb (6) 0.6 ppb (1) 6.3 ppb (6) 6.0 ppb (6) N/A 1.0 ppb (2) 24.0 ppb (23) 0.19 ppb (3) 10.0 μg/m3 (10) 4.4 μg/m3 (19) 23.0
 
Jan. 16, 2022, 1 a.m. 6.6 ppb (7) 0.8 ppb (1) 6.8 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (2) 24.0 ppb (23) 0.19 ppb (3) 10.0 μg/m3 (10) 4.5 μg/m3 (19) 23.0
 
Jan. 16, 2022, midnight 7.1 ppb (7) 0.9 ppb (1) 7.3 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (2) 23.0 ppb (22) 0.17 ppb (3) 9.0 μg/m3 (9) 7.2 μg/m3 (31) 31.0
 
Jan. 15, 2022, 11 p.m. 7.9 ppb (8) 0.8 ppb (1) 8.3 ppb (8) 7.0 ppb (7) N/A 1.0 ppb (2) 22.0 ppb (21) 0.18 ppb (3) 10.0 μg/m3 (10) 10.5 μg/m3 (44) 44.0
 
Jan. 15, 2022, 10 p.m. 7.6 ppb (8) 1.6 ppb (2) 8.4 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (23) 0.19 ppb (3) 11.0 μg/m3 (11) 3.1 μg/m3 (13) 23.0
 
Jan. 15, 2022, 9 p.m. 8.4 ppb (8) 2.2 ppb (3) 9.0 ppb (9) 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (23) 0.19 ppb (3) 11.0 μg/m3 (11) 8.9 μg/m3 (38) 38.0
 
Jan. 15, 2022, 8 p.m. 7.1 ppb (7) 1.5 ppb (2) 7.8 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (22) 0.19 ppb (3) 10.0 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2022, 7 p.m. 9.8 ppb (10) 2.9 ppb (3) 10.8 ppb (11) 7.0 ppb (7) N/A 1.0 ppb (2) 19.0 ppb (18) 0.21 ppb (3) 14.0 μg/m3 (13) 14.9 μg/m3 (57) 57.0
 
Jan. 15, 2022, 6 p.m. 10.5 ppb (10) 4.4 ppb (5) 11.6 ppb (11) 6.0 ppb (6) N/A 4.0 ppb (6) 19.0 ppb (18) 0.23 ppb (3) 15.0 μg/m3 (14) 15.9 μg/m3 (59) 59.0
 
Jan. 15, 2022, 5 p.m. 9.9 ppb (10) 3.9 ppb (4) 11.1 ppb (11) 6.0 ppb (6) N/A 2.0 ppb (3) 17.0 ppb (16) 0.16 ppb (3) 17.0 μg/m3 (16) 13.7 μg/m3 (55) 55.0
 
Jan. 15, 2022, 4 p.m. 7.6 ppb (8) 3.1 ppb (3) 9.6 ppb (10) 5.0 ppb (5) N/A 1.0 ppb (2) 18.0 ppb (17) 0.14 ppb (2) 21.0 μg/m3 (20) 14.6 μg/m3 (57) 57.0
 
Jan. 15, 2022, 3 p.m. 9.3 ppb (9) 3.4 ppb (4) 11.3 ppb (11) 6.0 ppb (6) N/A 1.0 ppb (2) 15.0 ppb (14) 0.19 ppb (3) 23.0 μg/m3 (22) 22.4 μg/m3 (73) 73.0
 
Jan. 15, 2022, 2 p.m. 12.1 ppb (12) 3.3 ppb (4) 13.7 ppb (13) 9.0 ppb (9) N/A 0.0 ppb (0) 10.0 ppb (10) 0.21 ppb (3) 22.0 μg/m3 (21) 14.3 μg/m3 (56) 56.0
 
Jan. 15, 2022, 1 p.m. 7.2 ppb (7) 1.6 ppb (2) 9.0 ppb (9) 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (12) 0.21 ppb (3) 21.0 μg/m3 (20) 15.3 μg/m3 (58) 58.0
 
Jan. 15, 2022, noon 6.4 ppb (7) 1.0 ppb (1) 8.9 ppb (9) 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (12) 0.21 ppb (3) 25.0 μg/m3 (24) 15.5 μg/m3 (59) 59.0
 
Jan. 15, 2022, 11 a.m. 7.9 ppb (8) 1.2 ppb (2) 9.9 ppb (10) 7.0 ppb (7) N/A 0.0 ppb (0) 10.0 ppb (10) 0.21 ppb (3) 23.0 μg/m3 (22) 13.4 μg/m3 (54) 54.0
 
Jan. 15, 2022, 10 a.m. 11.3 ppb (11) 1.9 ppb (2) 12.2 ppb (12) 10.0 ppb (10) N/A 0.0 ppb (0) 7.0 ppb (7) 0.22 ppb (3) 17.0 μg/m3 (16) 11.5 μg/m3 (48) 48.0
 
Jan. 15, 2022, 9 a.m. 11.3 ppb (11) 1.9 ppb (2) 12.6 ppb (12) 10.0 ppb (10) N/A 0.0 ppb (0) 8.0 ppb (8) 0.23 ppb (3) 22.0 μg/m3 (21) 15.2 μg/m3 (58) 58.0
 
Jan. 15, 2022, 8 a.m. 12.1 ppb (12) 2.4 ppb (3) 13.6 ppb (13) 10.0 ppb (10) N/A 0.0 ppb (0) 9.0 ppb (9) 0.24 ppb (3) 26.0 μg/m3 (25) 15.7 μg/m3 (59) 59.0
 
Jan. 15, 2022, 7 a.m. 13.9 ppb (14) 1.9 ppb (2) 15.7 ppb (15) 12.0 ppb (12) N/A 0.0 ppb (0) 9.0 ppb (9) 0.23 ppb (3) 27.0 μg/m3 (25) 20.0 μg/m3 (68) 68.0
 
Jan. 15, 2022, 6 a.m. 12.2 ppb (12) 1.6 ppb (2) 14.5 ppb (14) 11.0 ppb (11) N/A 0.0 ppb (0) 12.0 ppb (12) 0.22 ppb (3) 33.0 μg/m3 (31) 19.7 μg/m3 (67) 67.0
 
Jan. 15, 2022, 5 a.m. 15.5 ppb (15) 2.4 ppb (3) 17.3 ppb (17) 13.0 ppb (13) N/A 0.0 ppb (0) 11.0 ppb (11) 0.28 ppb (4) 29.0 μg/m3 (27) 20.0 μg/m3 (68) 68.0
 
Jan. 15, 2022, 4 a.m. 13.0 ppb (13) 2.6 ppb (3) 15.5 ppb (15) 11.0 ppb (11) N/A 0.0 ppb (0) 13.0 ppb (13) 0.25 ppb (3) 31.0 μg/m3 (29) 21.3 μg/m3 (71) 71.0
 
Jan. 15, 2022, 3 a.m. 17.7 ppb (17) 3.6 ppb (4) 20.4 ppb (20) 14.0 ppb (14) N/A 0.0 ppb (0) 10.0 ppb (10) 0.25 ppb (3) 31.0 μg/m3 (29) 15.9 μg/m3 (59) 59.0
 
Jan. 15, 2022, 2 a.m. 14.9 ppb (15) 3.2 ppb (4) 16.9 ppb (16) 12.0 ppb (12) N/A 0.0 ppb (0) 11.0 ppb (11) 0.26 ppb (4) 30.0 μg/m3 (28) 18.6 μg/m3 (65) 65.0
 
Jan. 15, 2022, 1 a.m. 11.1 ppb (11) 2.3 ppb (3) 13.6 ppb (13) 9.0 ppb (9) N/A 0.0 ppb (0) 14.0 ppb (13) 0.26 ppb (4) 31.0 μg/m3 (29) 20.9 μg/m3 (70) 70.0
 
Jan. 15, 2022, midnight 13.7 ppb (13) 3.7 ppb (4) 16.0 ppb (16) 10.0 ppb (10) N/A 0.0 ppb (0) 13.0 ppb (13) 0.27 ppb (4) 31.0 μg/m3 (29) 19.4 μg/m3 (67) 67.0
 
Jan. 14, 2022, 11 p.m. 17.8 ppb (17) 6.4 ppb (7) 19.7 ppb (19) 12.0 ppb (12) N/A 0.0 ppb (0) 12.0 ppb (12) 0.26 ppb (4) 34.0 μg/m3 (32) 21.8 μg/m3 (72) 72.0
 
Jan. 14, 2022, 10 p.m. 20.5 ppb (20) 7.7 ppb (8) 23.8 ppb (23) 13.0 ppb (13) N/A 0.0 ppb (0) 11.0 ppb (11) 0.26 ppb (4) 34.0 μg/m3 (32) 20.0 μg/m3 (68) 68.0
 
Jan. 14, 2022, 9 p.m. 20.0 ppb (19) 8.5 ppb (9) 23.0 ppb (22) 12.0 ppb (12) N/A 0.0 ppb (0) 13.0 ppb (13) 0.29 ppb (4) 33.0 μg/m3 (31) 20.4 μg/m3 (69) 69.0
 
Jan. 14, 2022, 8 p.m. 23.1 ppb (22) 10.7 ppb (11) 27.9 ppb (27) 13.0 ppb (13) N/A 0.0 ppb (0) 12.0 ppb (12) 0.3 ppb (4) 45.0 μg/m3 (42) 33.1 μg/m3 (96) 96.0
 
Jan. 14, 2022, 7 p.m. 22.7 ppb (22) 11.5 ppb (11) 29.8 ppb (29) 11.0 ppb (11) N/A 1.0 ppb (2) 12.0 ppb (12) 0.32 ppb (4) 52.0 μg/m3 (49) 35.7 μg/m3 (102) 102.0
 
Jan. 14, 2022, 6 p.m. 15.7 ppb (15) 5.1 ppb (5) 23.1 ppb (22) 11.0 ppb (11) N/A 2.0 ppb (3) 18.0 ppb (17) 0.24 ppb (3) 50.0 μg/m3 (47) 36.1 μg/m3 (103) 103.0
 
Jan. 14, 2022, 5 p.m. 22.4 ppb (22) 8.9 ppb (9) 30.0 ppb (29) 14.0 ppb (14) N/A 2.0 ppb (3) 16.0 ppb (15) 0.28 ppb (4) 49.0 μg/m3 (46) 36.1 μg/m3 (103) 103.0
 
Jan. 14, 2022, 4 p.m. 43.3 ppb (41) 23.1 ppb (22) 48.6 ppb (46) 20.0 ppb (19) N/A 1.0 ppb (2) 9.0 ppb (9) 0.31 ppb (4) 47.0 μg/m3 (44) 30.4 μg/m3 (90) 90.0
 
Jan. 14, 2022, 3 p.m. 72.0 ppb (71) 46.5 ppb (44) 77.5 ppb (77) 26.0 ppb (25) N/A 1.0 ppb (2) 6.0 ppb (6) 0.4 ppb (5) 48.0 μg/m3 (45) 30.2 μg/m3 (90) 90.0
 
Jan. 14, 2022, 2 p.m. 210.5 ppb (122) 175.6 ppb (116) 217.2 ppb (123) 35.0 ppb (34) N/A 1.0 ppb (2) 2.0 ppb (2) 0.77 ppb (10) 93.0 μg/m3 (70) 34.6 μg/m3 (99) 123.0
 
Jan. 14, 2022, 1 p.m. 200.7 ppb (120) 169.7 ppb (114) 192.3 ppb (119) 31.0 ppb (30) N/A 1.0 ppb (2) 2.0 ppb (2) 0.97 ppb (12) 40.0 μg/m3 (38) 24.7 μg/m3 (78) 120.0
 
Jan. 14, 2022, noon 221.6 ppb (124) 186.4 ppb (118) 222.7 ppb (125) 35.0 ppb (34) N/A 1.0 ppb (2) 2.0 ppb (2) 1.01 ppb (12) 40.0 μg/m3 (38) 22.8 μg/m3 (74) 125.0
 
Jan. 14, 2022, 11 a.m. 168.6 ppb (114) 138.7 ppb (109) 175.5 ppb (116) 30.0 ppb (29) N/A 1.0 ppb (2) 1.0 ppb (1) 0.99 ppb (12) 29.0 μg/m3 (27) 20.5 μg/m3 (69) 116.0
 
Jan. 14, 2022, 10 a.m. 120.6 ppb (105) 96.3 ppb (97) 135.9 ppb (108) 24.0 ppb (23) N/A 1.0 ppb (2) 2.0 ppb (2) 1.11 ppb (13) 56.0 μg/m3 (52) 45.8 μg/m3 (127) 127.0
 
Jan. 14, 2022, 9 a.m. 91.9 ppb (92) 68.4 ppb (67) 101.3 ppb (102) 24.0 ppb (23) N/A 1.0 ppb (2) 4.0 ppb (4) 1.04 ppb (12) 61.0 μg/m3 (54) 43.8 μg/m3 (122) 122.0
 
Jan. 14, 2022, 8 a.m. 84.1 ppb (84) 60.3 ppb (58) 90.5 ppb (90) 24.0 ppb (23) N/A 1.0 ppb (2) 2.0 ppb (2) 0.95 ppb (11) 36.0 μg/m3 (34) 24.4 μg/m3 (77) 90.0
 
Jan. 14, 2022, 7 a.m. 77.7 ppb (77) 52.3 ppb (50) 89.3 ppb (89) 26.0 ppb (25) N/A 1.0 ppb (2) 2.0 ppb (2) 0.86 ppb (11) 32.0 μg/m3 (30) 23.4 μg/m3 (75) 89.0
 
Jan. 14, 2022, 6 a.m. 81.7 ppb (81) 53.9 ppb (51) 92.1 ppb (92) 28.0 ppb (27) N/A 1.0 ppb (2) 2.0 ppb (2) 0.81 ppb (10) 32.0 μg/m3 (30) 16.5 μg/m3 (61) 92.0
 
Jan. 14, 2022, 5 a.m. 75.6 ppb (75) 46.6 ppb (44) 97.9 ppb (98) 29.0 ppb (28) N/A 0.0 ppb (0) 2.0 ppb (2) 0.76 ppb (10) 40.0 μg/m3 (38) 23.6 μg/m3 (76) 98.0
 
Jan. 14, 2022, 4 a.m. 52.1 ppb (50) 23.6 ppb (23) 48.1 ppb (46) 29.0 ppb (28) N/A 0.0 ppb (0) 2.0 ppb (2) 0.66 ppb (8) 22.0 μg/m3 (21) 11.4 μg/m3 (48) 50.0
 
Jan. 14, 2022, 3 a.m. 53.0 ppb (50) 21.6 ppb (21) 49.4 ppb (47) 32.0 ppb (31) N/A 0.0 ppb (0) 2.0 ppb (2) 0.55 ppb (7) 20.0 μg/m3 (19) 9.7 μg/m3 (41) 50.0
 
Jan. 14, 2022, 2 a.m. 53.7 ppb (51) 21.1 ppb (20) 49.6 ppb (47) 33.0 ppb (32) N/A 0.0 ppb (0) 1.0 ppb (1) 0.51 ppb (6) 21.0 μg/m3 (20) 11.6 μg/m3 (49) 51.0
 
Jan. 14, 2022, 1 a.m. 35.9 ppb (34) 5.2 ppb (5) 32.4 ppb (31) 31.0 ppb (30) N/A 0.0 ppb (0) 5.0 ppb (5) 0.38 ppb (5) 20.0 μg/m3 (19) 4.2 μg/m3 (18) 34.0
 
Jan. 14, 2022, midnight 28.2 ppb (27) 4.7 ppb (5) 30.4 ppb (29) 24.0 ppb (23) N/A 0.0 ppb (0) 11.0 ppb (11) 0.36 ppb (5) 21.0 μg/m3 (20) 5.6 μg/m3 (24) 29.0
 
Jan. 13, 2022, 11 p.m. 10.3 ppb (10) 0.5 ppb (1) 9.8 ppb (10) 10.0 ppb (10) N/A 0.0 ppb (0) 24.0 ppb (23) 0.19 ppb (3) 19.0 μg/m3 (18) 8.8 μg/m3 (37) 37.0
 
Jan. 13, 2022, 10 p.m. 7.4 ppb (7) 1.0 ppb (1) 7.6 ppb (8) 7.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 20.0 μg/m3 (19) 6.6 μg/m3 (28) 28.0
 
Jan. 13, 2022, 9 p.m. 7.1 ppb (7) 2.1 ppb (2) 7.6 ppb (8) 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (26) 0.17 ppb (3) 23.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2022, 8 p.m. 7.3 ppb (7) 3.5 ppb (4) 7.9 ppb (8) 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (27) 0.19 ppb (3) 27.0 μg/m3 (25) 12.7 μg/m3 (53) 53.0
 
Jan. 13, 2022, 7 p.m. 13.8 ppb (14) 6.3 ppb (6) 15.2 ppb (15) 8.0 ppb (8) N/A 2.0 ppb (3) 22.0 ppb (21) 0.18 ppb (3) 32.0 μg/m3 (30) 11.1 μg/m3 (47) 47.0
 
Jan. 13, 2022, 6 p.m. 16.1 ppb (16) 7.6 ppb (8) 17.8 ppb (17) 9.0 ppb (9) N/A 2.0 ppb (3) 20.0 ppb (19) 0.15 ppb (2) 34.0 μg/m3 (32) 11.8 μg/m3 (50) 50.0
 
Jan. 13, 2022, 5 p.m. 21.9 ppb (21) 10.7 ppb (11) 22.4 ppb (22) 11.0 ppb (11) N/A 1.0 ppb (2) 16.0 ppb (15) 0.3 ppb (4) 38.0 μg/m3 (36) 23.9 μg/m3 (76) 76.0
 
Jan. 13, 2022, 4 p.m. 28.2 ppb (27) 13.0 ppb (13) 28.8 ppb (28) 15.0 ppb (15) N/A 1.0 ppb (2) 12.0 ppb (12) 0.34 ppb (4) 34.0 μg/m3 (32) 15.8 μg/m3 (59) 59.0
 
Jan. 13, 2022, 3 p.m. 23.5 ppb (23) 7.2 ppb (7) 22.4 ppb (22) 17.0 ppb (17) N/A 1.0 ppb (2) 10.0 ppb (10) 0.35 ppb (4) 27.0 μg/m3 (25) 14.2 μg/m3 (56) 56.0
 
Jan. 13, 2022, 2 p.m. 29.4 ppb (28) 7.8 ppb (8) 25.2 ppb (24) 22.0 ppb (21) N/A 1.0 ppb (2) 7.0 ppb (7) 0.39 ppb (5) 30.0 μg/m3 (28) 9.5 μg/m3 (40) 40.0
 
Jan. 13, 2022, 1 p.m. 17.0 ppb (17) 2.6 ppb (3) 15.9 ppb (15) 15.0 ppb (15) N/A 1.0 ppb (2) 12.0 ppb (12) 0.31 ppb (4) 28.0 μg/m3 (26) 7.8 μg/m3 (33) 33.0
 
Jan. 13, 2022, noon 14.3 ppb (14) 1.6 ppb (2) 13.6 ppb (13) 13.0 ppb (13) N/A 1.0 ppb (2) 14.0 ppb (13) 0.23 ppb (3) 28.0 μg/m3 (26) 4.7 μg/m3 (20) 26.0
 
Jan. 13, 2022, 11 a.m. 12.4 ppb (12) 0.7 ppb (1) 12.1 ppb (12) 12.0 ppb (12) N/A 1.0 ppb (2) 15.0 ppb (14) 0.19 ppb (3) 25.0 μg/m3 (24) 8.6 μg/m3 (36) 36.0
 
Jan. 13, 2022, 10 a.m. 10.4 ppb (10) 0.5 ppb (1) 10.3 ppb (10) 10.0 ppb (10) N/A 1.0 ppb (2) 17.0 ppb (16) 0.18 ppb (3) 24.0 μg/m3 (23) 2.1 μg/m3 (9) 23.0
 
Jan. 13, 2022, 9 a.m. 11.7 ppb (12) 0.6 ppb (1) 11.7 ppb (12) 11.0 ppb (11) N/A 1.0 ppb (2) 16.0 ppb (15) 0.2 ppb (3) 25.0 μg/m3 (24) 4.6 μg/m3 (20) 24.0
 
Jan. 13, 2022, 8 a.m. 10.3 ppb (10) 0.3 ppb (1) 10.5 ppb (10) 10.0 ppb (10) N/A 1.0 ppb (2) 18.0 ppb (17) 0.2 ppb (3) 24.0 μg/m3 (23) 2.7 μg/m3 (12) 23.0
 
Jan. 13, 2022, 7 a.m. 9.7 ppb (10) 0.3 ppb (1) 9.9 ppb (10) 10.0 ppb (10) N/A 1.0 ppb (2) 20.0 ppb (19) 0.2 ppb (3) 21.0 μg/m3 (20) 8.3 μg/m3 (35) 35.0
 
Jan. 13, 2022, 6 a.m. 10.6 ppb (10) 0.4 ppb (1) 10.5 ppb (10) 10.0 ppb (10) N/A 1.0 ppb (2) 21.0 ppb (20) 0.21 ppb (3) 21.0 μg/m3 (20) 9.3 μg/m3 (39) 39.0
 
Jan. 13, 2022, 5 a.m. 13.3 ppb (13) 0.5 ppb (1) 12.0 ppb (12) 13.0 ppb (13) N/A 0.0 ppb (0) 21.0 ppb (20) 0.29 ppb (4) 21.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2022, 4 a.m. 50.5 ppb (48) 19.1 ppb (19) 33.3 ppb (32) 32.0 ppb (31) N/A 1.0 ppb (2) 5.0 ppb (5) 0.71 ppb (8) 32.0 μg/m3 (30) 20.2 μg/m3 (69) 69.0
 
Jan. 13, 2022, 3 a.m. 102.7 ppb (102) 69.6 ppb (68) 75.6 ppb (75) 33.0 ppb (32) N/A 1.0 ppb (2) N/A 1.35 ppb (16) 43.0 μg/m3 (40) 15.9 μg/m3 (59) 102.0
 
Jan. 13, 2022, 2 a.m. 101.5 ppb (102) 66.3 ppb (65) 91.9 ppb (92) 35.0 ppb (34) N/A 1.0 ppb (2) 2.0 ppb (2) 1.32 ppb (15) 44.0 μg/m3 (41) 14.4 μg/m3 (56) 102.0
 
Jan. 13, 2022, 1 a.m. 97.8 ppb (98) 61.5 ppb (59) 93.4 ppb (93) 36.0 ppb (34) N/A 1.0 ppb (2) 2.0 ppb (2) 1.12 ppb (13) 69.0 μg/m3 (58) 15.6 μg/m3 (59) 98.0
 
Jan. 13, 2022, midnight 82.1 ppb (81) 45.5 ppb (43) 70.6 ppb (69) 37.0 ppb (35) N/A 1.0 ppb (2) 2.0 ppb (2) 1.07 ppb (13) 56.0 μg/m3 (52) 14.0 μg/m3 (55) 81.0
 
Jan. 12, 2022, 11 p.m. 71.0 ppb (70) 31.8 ppb (30) 45.4 ppb (43) 39.0 ppb (37) N/A 1.0 ppb (2) 2.0 ppb (2) 0.82 ppb (10) 45.0 μg/m3 (42) 16.1 μg/m3 (60) 70.0
 
Jan. 12, 2022, 10 p.m. 33.1 ppb (32) 5.7 ppb (6) 22.4 ppb (22) 28.0 ppb (27) N/A 1.0 ppb (2) 12.0 ppb (12) 0.42 ppb (5) 38.0 μg/m3 (36) 5.3 μg/m3 (23) 36.0
 
Jan. 12, 2022, 9 p.m. 13.8 ppb (14) 2.6 ppb (3) 10.3 ppb (10) 11.0 ppb (11) N/A 1.0 ppb (2) 29.0 ppb (27) 0.26 ppb (4) 31.0 μg/m3 (29) 9.6 μg/m3 (40) 40.0
 
Jan. 12, 2022, 8 p.m. 6.9 ppb (7) 1.8 ppb (2) 7.4 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (33) 0.27 ppb (4) 21.0 μg/m3 (20) 3.5 μg/m3 (15) 33.0
 
Jan. 12, 2022, 7 p.m. 10.2 ppb (10) 3.5 ppb (4) 10.2 ppb (10) 7.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (31) 0.28 ppb (4) 24.0 μg/m3 (23) 6.6 μg/m3 (28) 31.0
 
Jan. 12, 2022, 6 p.m. 9.7 ppb (10) 3.0 ppb (3) 10.1 ppb (10) 7.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (30) 0.21 ppb (3) 22.0 μg/m3 (21) 6.3 μg/m3 (27) 30.0
 
Jan. 12, 2022, 5 p.m. 10.3 ppb (10) 3.7 ppb (4) 9.4 ppb (9) 7.0 ppb (7) N/A 2.0 ppb (3) 31.0 ppb (29) 0.23 ppb (3) 23.0 μg/m3 (22) 3.7 μg/m3 (16) 29.0
 
Jan. 12, 2022, 4 p.m. 10.6 ppb (10) 4.1 ppb (4) 10.4 ppb (10) 7.0 ppb (7) N/A 5.0 ppb (8) 30.0 ppb (28) 0.24 ppb (3) 22.0 μg/m3 (21) 11.9 μg/m3 (50) 50.0
 
Jan. 12, 2022, 3 p.m. 15.6 ppb (15) 4.3 ppb (5) 15.6 ppb (15) 12.0 ppb (12) N/A 2.0 ppb (3) 25.0 ppb (24) 0.23 ppb (3) 24.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2022, 2 p.m. 22.8 ppb (22) 4.2 ppb (4) 20.8 ppb (20) 19.0 ppb (18) N/A 1.0 ppb (2) 18.0 ppb (17) 0.29 ppb (4) 27.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
Jan. 12, 2022, 1 p.m. 19.2 ppb (19) 1.3 ppb (2) 17.3 ppb (17) 18.0 ppb (17) N/A 0.0 ppb (0) 20.0 ppb (19) 0.26 ppb (4) 18.0 μg/m3 (17) 4.5 μg/m3 (19) 19.0
 
Jan. 12, 2022, noon 11.5 ppb (11) 0.3 ppb (1) 10.5 ppb (10) 11.0 ppb (11) N/A 1.0 ppb (2) 25.0 ppb (24) 0.18 ppb (3) 16.0 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
Jan. 12, 2022, 11 a.m. 7.1 ppb (7) 0.3 ppb (1) 6.8 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (28) 0.14 ppb (2) 10.0 μg/m3 (10) 1.2 μg/m3 (5) 28.0
 
Jan. 12, 2022, 10 a.m. 14.5 ppb (14) 0.3 ppb (1) 13.0 ppb (13) 14.0 ppb (14) N/A 1.0 ppb (2) 22.0 ppb (21) 0.16 ppb (3) 10.0 μg/m3 (10) 2.7 μg/m3 (12) 21.0
 
Jan. 12, 2022, 9 a.m. 16.2 ppb (16) 0.3 ppb (1) 14.7 ppb (14) 16.0 ppb (16) N/A 1.0 ppb (2) 16.0 ppb (15) 0.18 ppb (3) 9.0 μg/m3 (9) 1.8 μg/m3 (8) 16.0
 
Jan. 12, 2022, 8 a.m. 16.7 ppb (16) 0.3 ppb (1) 15.4 ppb (15) 17.0 ppb (17) N/A 2.0 ppb (3) 15.0 ppb (14) 0.18 ppb (3) 10.0 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
Jan. 12, 2022, 7 a.m. 18.4 ppb (18) 0.7 ppb (1) 16.6 ppb (16) 18.0 ppb (17) N/A 3.0 ppb (5) 14.0 ppb (13) 0.19 ppb (3) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 18.0
 
Jan. 12, 2022, 6 a.m. 15.4 ppb (15) 0.7 ppb (1) 13.4 ppb (13) 15.0 ppb (15) N/A 3.0 ppb (5) 17.0 ppb (16) 0.18 ppb (3) 10.0 μg/m3 (10) 6.3 μg/m3 (27) 27.0
 
Jan. 12, 2022, 5 a.m. 14.6 ppb (14) 1.1 ppb (2) 13.5 ppb (13) 14.0 ppb (14) N/A 2.0 ppb (3) 16.0 ppb (15) 0.2 ppb (3) 11.0 μg/m3 (11) 7.3 μg/m3 (31) 31.0
 
Jan. 12, 2022, 4 a.m. 14.1 ppb (14) 0.4 ppb (1) 13.3 ppb (13) 14.0 ppb (14) N/A 3.0 ppb (5) 17.0 ppb (16) 0.19 ppb (3) 12.0 μg/m3 (12) 5.5 μg/m3 (23) 23.0
 
Jan. 12, 2022, 3 a.m. 10.8 ppb (11) 0.4 ppb (1) 10.6 ppb (10) 11.0 ppb (11) N/A 3.0 ppb (5) 20.0 ppb (19) 0.17 ppb (3) 12.0 μg/m3 (12) 6.5 μg/m3 (28) 28.0
 
Jan. 12, 2022, 2 a.m. 9.0 ppb (9) 0.6 ppb (1) 8.6 ppb (9) 9.0 ppb (9) N/A 1.0 ppb (2) 22.0 ppb (21) 0.16 ppb (3) 12.0 μg/m3 (12) 5.5 μg/m3 (23) 23.0
 
Jan. 12, 2022, 1 a.m. 12.3 ppb (12) 0.5 ppb (1) 11.6 ppb (11) 12.0 ppb (12) N/A 1.0 ppb (2) 20.0 ppb (19) 0.16 ppb (3) 12.0 μg/m3 (12) 8.4 μg/m3 (36) 36.0
 
Jan. 12, 2022, midnight 10.4 ppb (10) 0.6 ppb (1) 10.1 ppb (10) 10.0 ppb (10) N/A 2.0 ppb (3) 22.0 ppb (21) 0.17 ppb (3) 21.0 μg/m3 (20) 6.5 μg/m3 (28) 28.0
 
Jan. 11, 2022, 11 p.m. 20.6 ppb (20) 1.2 ppb (2) 18.9 ppb (18) 20.0 ppb (19) N/A 3.0 ppb (5) 15.0 ppb (14) 0.29 ppb (4) 29.0 μg/m3 (27) 3.5 μg/m3 (15) 27.0
 
Jan. 11, 2022, 10 p.m. 21.9 ppb (21) 3.3 ppb (4) N/A 19.0 ppb (18) N/A 2.0 ppb (3) 17.0 ppb (16) 0.28 ppb (4) 26.0 μg/m3 (25) 7.3 μg/m3 (31) 31.0
 
Jan. 11, 2022, 9 p.m. 19.1 ppb (19) 5.7 ppb (6) N/A 14.0 ppb (14) N/A 3.0 ppb (5) 22.0 ppb (21) 0.24 ppb (3) 35.0 μg/m3 (33) 10.7 μg/m3 (45) 45.0
 
Jan. 11, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 12.7 μg/m3 (53) 53.0
 
Jan. 11, 2022, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 25.0 ppb (24) N/A 43.0 μg/m3 (40) 7.3 μg/m3 (31) 40.0
 
Jan. 11, 2022, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 24.0 ppb (23) N/A 38.0 μg/m3 (36) 8.5 μg/m3 (36) 36.0
 
Jan. 11, 2022, 5 p.m. 12.7 ppb (12) 5.5 ppb (6) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A 0.18 ppb (3) 48.0 μg/m3 (45) 9.7 μg/m3 (41) 45.0
 
Jan. 11, 2022, 4 p.m. 16.1 ppb (16) 7.1 ppb (7) N/A 9.0 ppb (9) N/A N/A 20.0 ppb (19) 0.19 ppb (3) 51.0 μg/m3 (48) 12.7 μg/m3 (53) 53.0
 
Jan. 11, 2022, 3 p.m. 18.3 ppb (18) 7.4 ppb (7) 19.0 ppb (18) 11.0 ppb (11) N/A 2.0 ppb (3) 18.0 ppb (17) 0.19 ppb (3) 49.0 μg/m3 (46) 10.2 μg/m3 (43) 46.0
 
Jan. 11, 2022, 2 p.m. 20.0 ppb (19) 5.9 ppb (6) 20.6 ppb (20) 14.0 ppb (14) N/A 0.0 ppb (0) 16.0 ppb (15) 0.2 ppb (3) 28.0 μg/m3 (26) 6.9 μg/m3 (29) 29.0
 
Jan. 11, 2022, 1 p.m. 32.8 ppb (31) 7.6 ppb (8) 27.0 ppb (26) 25.0 ppb (24) N/A 1.0 ppb (2) 12.0 ppb (12) 0.26 ppb (4) 23.0 μg/m3 (22) 10.1 μg/m3 (43) 43.0
 
Jan. 11, 2022, noon 36.6 ppb (35) 8.6 ppb (9) 33.3 ppb (32) 28.0 ppb (27) N/A 1.0 ppb (2) 7.0 ppb (7) 0.29 ppb (4) 21.0 μg/m3 (20) 6.0 μg/m3 (25) 35.0
 
Jan. 11, 2022, 11 a.m. 25.0 ppb (24) 4.1 ppb (4) 23.2 ppb (22) 21.0 ppb (20) N/A 1.0 ppb (2) 12.0 ppb (12) 0.26 ppb (4) 13.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
Jan. 11, 2022, 10 a.m. 27.3 ppb (26) 4.4 ppb (5) 23.6 ppb (23) 23.0 ppb (22) N/A 1.0 ppb (2) 11.0 ppb (11) 0.22 ppb (3) 21.0 μg/m3 (20) 5.5 μg/m3 (23) 26.0
 
Jan. 11, 2022, 9 a.m. 33.2 ppb (32) 6.4 ppb (7) 29.4 ppb (28) 27.0 ppb (26) N/A 0.0 ppb (0) 9.0 ppb (9) 0.23 ppb (3) 15.0 μg/m3 (14) 7.2 μg/m3 (31) 32.0
 
Jan. 11, 2022, 8 a.m. 30.0 ppb (29) 4.8 ppb (5) 27.3 ppb (26) 25.0 ppb (24) N/A 1.0 ppb (2) 10.0 ppb (10) 0.21 ppb (3) 16.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
Jan. 11, 2022, 7 a.m. 20.0 ppb (19) 2.4 ppb (3) 18.8 ppb (18) 18.0 ppb (17) N/A 0.0 ppb (0) 14.0 ppb (13) 0.2 ppb (3) 15.0 μg/m3 (14) 6.1 μg/m3 (26) 26.0
 
Jan. 11, 2022, 6 a.m. 15.9 ppb (15) 1.7 ppb (2) 15.1 ppb (15) 14.0 ppb (14) N/A 0.0 ppb (0) 18.0 ppb (17) 0.21 ppb (3) 19.0 μg/m3 (18) 8.1 μg/m3 (34) 34.0
 
Jan. 11, 2022, 5 a.m. 9.7 ppb (10) 0.5 ppb (1) 9.3 ppb (9) 9.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) 23.0 μg/m3 (22) 6.7 μg/m3 (28) 28.0
 
Jan. 11, 2022, 4 a.m. 10.0 ppb (10) 0.5 ppb (1) 9.8 ppb (10) 10.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) 24.0 μg/m3 (23) 10.1 μg/m3 (43) 43.0
 
Jan. 11, 2022, 3 a.m. 11.5 ppb (11) 1.1 ppb (2) 10.1 ppb (10) 11.0 ppb (11) N/A 0.0 ppb (0) 22.0 ppb (21) 0.17 ppb (3) 21.0 μg/m3 (20) 7.7 μg/m3 (33) 33.0
 
Jan. 11, 2022, 2 a.m. 13.1 ppb (13) 1.6 ppb (2) 12.8 ppb (13) 12.0 ppb (12) N/A 0.0 ppb (0) 21.0 ppb (20) 0.18 ppb (3) 37.0 μg/m3 (35) 7.4 μg/m3 (31) 35.0
 
Jan. 11, 2022, 1 a.m. 12.2 ppb (12) 1.1 ppb (2) 11.9 ppb (12) 11.0 ppb (11) N/A 1.0 ppb (2) 21.0 ppb (20) 0.2 ppb (3) 24.0 μg/m3 (23) 10.1 μg/m3 (43) 43.0
 
Jan. 11, 2022, midnight 14.4 ppb (14) 1.5 ppb (2) 13.3 ppb (13) 13.0 ppb (13) N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) 23.0 μg/m3 (22) 7.8 μg/m3 (33) 33.0
 
Jan. 10, 2022, 11 p.m. 22.4 ppb (22) 2.0 ppb (2) 19.5 ppb (19) 21.0 ppb (20) N/A 0.0 ppb (0) 15.0 ppb (14) 0.27 ppb (4) 21.0 μg/m3 (20) 6.8 μg/m3 (29) 29.0
 
Jan. 10, 2022, 10 p.m. 12.2 ppb (12) 1.4 ppb (2) 11.8 ppb (12) 11.0 ppb (11) N/A 0.0 ppb (0) 22.0 ppb (21) 0.23 ppb (3) 20.0 μg/m3 (19) 10.5 μg/m3 (44) 44.0
 
Jan. 10, 2022, 9 p.m. 7.2 ppb (7) 2.2 ppb (3) 7.4 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (26) 0.21 ppb (3) 17.0 μg/m3 (16) 10.3 μg/m3 (43) 43.0
 
Jan. 10, 2022, 8 p.m. 14.2 ppb (14) 9.3 ppb (9) 12.4 ppb (12) 7.0 ppb (7) N/A 1.0 ppb (2) 26.0 ppb (25) 0.25 ppb (3) 17.0 μg/m3 (16) 7.9 μg/m3 (33) 33.0
 
Jan. 10, 2022, 7 p.m. 9.2 ppb (9) 4.5 ppb (5) 9.2 ppb (9) 5.0 ppb (5) N/A 1.0 ppb (2) 27.0 ppb (25) 0.28 ppb (4) 18.0 μg/m3 (17) 7.3 μg/m3 (31) 31.0
 
Jan. 10, 2022, 6 p.m. 7.8 ppb (8) 3.5 ppb (4) 7.9 ppb (8) 5.0 ppb (5) N/A 1.0 ppb (2) 28.0 ppb (26) 0.24 ppb (3) 18.0 μg/m3 (17) 3.8 μg/m3 (16) 26.0
 
Jan. 10, 2022, 5 p.m. 8.8 ppb (9) 4.0 ppb (4) 9.0 ppb (9) 5.0 ppb (5) N/A 1.0 ppb (2) 27.0 ppb (25) 0.33 ppb (4) 17.0 μg/m3 (16) 6.6 μg/m3 (28) 28.0
 
Jan. 10, 2022, 4 p.m. 11.0 ppb (11) 4.9 ppb (5) 9.9 ppb (10) 6.0 ppb (6) N/A 1.0 ppb (2) 26.0 ppb (25) 0.31 ppb (4) 15.0 μg/m3 (14) 15.2 μg/m3 (58) 58.0
 
Jan. 10, 2022, 3 p.m. 19.2 ppb (19) 7.9 ppb (8) 17.8 ppb (17) 12.0 ppb (12) N/A 3.0 ppb (5) 22.0 ppb (21) 0.3 ppb (4) 17.0 μg/m3 (16) 8.7 μg/m3 (37) 37.0