ID: 416

AQSQID: 211110051

Site Name: Watson

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

Updated: Jan. 24, 2022, 10:34 a.m.

Location: Louisville (Wilken Way), KY

Reporting: True, Located: True

Current AQI: 65.0

Louisville (Wilken Way) KY, US: 38.0608, -85.8961

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 24, 2022, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 6.0 ppb (6) N/A 26.0 μg/m3 (25) 18.3 μg/m3 (65) 65.0
 
Jan. 24, 2022, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 4.0 ppb (4) N/A 32.0 μg/m3 (30) 20.0 μg/m3 (68) 68.0
 
Jan. 24, 2022, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 5.0 ppb (5) N/A 39.0 μg/m3 (37) 24.2 μg/m3 (77) 77.0
 
Jan. 24, 2022, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 7.0 ppb (7) N/A 23.0 μg/m3 (22) 16.2 μg/m3 (60) 60.0
 
Jan. 24, 2022, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) N/A 16.0 μg/m3 (15) 12.6 μg/m3 (53) 53.0
 
Jan. 24, 2022, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 25.0 ppb (24) N/A 15.0 μg/m3 (14) 11.9 μg/m3 (50) 50.0
 
Jan. 24, 2022, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A 14.0 μg/m3 (13) 10.7 μg/m3 (45) 45.0
 
Jan. 24, 2022, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A 14.0 μg/m3 (13) 11.2 μg/m3 (47) 47.0
 
Jan. 23, 2022, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A 18.0 μg/m3 (17) 13.8 μg/m3 (55) 55.0
 
Jan. 23, 2022, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A 12.0 μg/m3 (12) 8.1 μg/m3 (34) 34.0
 
Jan. 23, 2022, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) N/A 11.0 μg/m3 (11) 6.6 μg/m3 (28) 29.0
 
Jan. 23, 2022, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A 16.0 μg/m3 (15) 8.7 μg/m3 (37) 37.0
 
Jan. 23, 2022, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 30.0 ppb (28) N/A 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2022, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 30.0 ppb (28) N/A 17.0 μg/m3 (16) 9.3 μg/m3 (39) 39.0
 
Jan. 23, 2022, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 30.0 ppb (28) N/A 17.0 μg/m3 (16) 9.2 μg/m3 (39) 39.0
 
Jan. 23, 2022, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 29.0 ppb (27) N/A 17.0 μg/m3 (16) 9.8 μg/m3 (41) 41.0
 
Jan. 23, 2022, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 26.0 ppb (25) N/A 46.0 μg/m3 (43) 14.5 μg/m3 (57) 57.0
 
Jan. 23, 2022, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 21.0 ppb (20) N/A 44.0 μg/m3 (41) 15.7 μg/m3 (59) 59.0
 
Jan. 23, 2022, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 21.0 ppb (20) N/A 27.0 μg/m3 (25) 13.9 μg/m3 (55) 55.0
 
Jan. 23, 2022, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 18.0 ppb (17) N/A 24.0 μg/m3 (23) 14.2 μg/m3 (56) 56.0
 
Jan. 23, 2022, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 12.0 ppb (12) N/A 24.0 μg/m3 (23) 14.7 μg/m3 (57) 57.0
 
Jan. 23, 2022, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 17.0 ppb (16) N/A 22.0 μg/m3 (21) 15.0 μg/m3 (58) 58.0
 
Jan. 23, 2022, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 20.0 ppb (19) N/A 19.0 μg/m3 (18) 14.6 μg/m3 (57) 57.0
 
Jan. 23, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 22.0 μg/m3 (21) 14.6 μg/m3 (57) 57.0
 
Jan. 23, 2022, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) N/A 20.0 μg/m3 (19) 14.3 μg/m3 (56) 56.0
 
Jan. 23, 2022, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) N/A 21.0 μg/m3 (20) 13.8 μg/m3 (55) 55.0
 
Jan. 23, 2022, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 22.0 ppb (21) N/A 21.0 μg/m3 (20) 13.3 μg/m3 (54) 54.0
 
Jan. 23, 2022, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 22.0 ppb (21) N/A 23.0 μg/m3 (22) 12.9 μg/m3 (53) 53.0
 
Jan. 23, 2022, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 24.0 ppb (23) N/A 19.0 μg/m3 (18) 12.3 μg/m3 (52) 52.0
 
Jan. 23, 2022, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 22.0 ppb (21) N/A 23.0 μg/m3 (22) 13.3 μg/m3 (54) 54.0
 
Jan. 23, 2022, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 28.0 ppb (26) N/A 17.0 μg/m3 (16) 11.3 μg/m3 (48) 48.0
 
Jan. 23, 2022, midnight N/A N/A N/A N/A N/A 3.0 ppb (5) 29.0 ppb (27) N/A 19.0 μg/m3 (18) 12.1 μg/m3 (51) 51.0
 
Jan. 22, 2022, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 28.0 ppb (26) N/A 26.0 μg/m3 (25) 13.7 μg/m3 (55) 55.0
 
Jan. 22, 2022, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 30.0 ppb (28) N/A 21.0 μg/m3 (20) 11.6 μg/m3 (49) 49.0
 
Jan. 22, 2022, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (29) N/A 16.0 μg/m3 (15) 10.1 μg/m3 (43) 43.0
 
Jan. 22, 2022, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 31.0 ppb (29) N/A 18.0 μg/m3 (17) 9.7 μg/m3 (41) 41.0
 
Jan. 22, 2022, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 32.0 ppb (30) N/A 14.0 μg/m3 (13) 9.5 μg/m3 (40) 40.0
 
Jan. 22, 2022, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (29) N/A 15.0 μg/m3 (14) 8.9 μg/m3 (38) 38.0
 
Jan. 22, 2022, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 27.0 ppb (25) N/A 13.0 μg/m3 (13) 8.4 μg/m3 (36) 36.0
 
Jan. 22, 2022, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A 14.0 μg/m3 (13) 8.7 μg/m3 (37) 37.0
 
Jan. 22, 2022, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 24.0 ppb (23) N/A 18.0 μg/m3 (17) 10.4 μg/m3 (44) 44.0
 
Jan. 22, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 11.0 ppb (11) N/A 43.0 μg/m3 (40) 18.5 μg/m3 (65) 65.0
 
Jan. 22, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 7.0 ppb (7) N/A 32.0 μg/m3 (30) 15.4 μg/m3 (58) 58.0
 
Jan. 22, 2022, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 3.0 ppb (3) N/A 34.0 μg/m3 (32) 16.9 μg/m3 (62) 62.0
 
Jan. 22, 2022, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 2.0 ppb (2) N/A 39.0 μg/m3 (37) 18.3 μg/m3 (65) 65.0
 
Jan. 22, 2022, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 2.0 ppb (2) N/A 33.0 μg/m3 (31) 20.2 μg/m3 (69) 69.0
 
Jan. 22, 2022, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 1.0 ppb (1) N/A 36.0 μg/m3 (34) 25.7 μg/m3 (80) 80.0
 
Jan. 22, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 45.0 μg/m3 (42) 28.9 μg/m3 (87) 87.0
 
Jan. 22, 2022, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 1.0 ppb (1) N/A 39.0 μg/m3 (37) 25.3 μg/m3 (79) 79.0
 
Jan. 22, 2022, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 1.0 ppb (1) N/A 34.0 μg/m3 (32) 26.5 μg/m3 (82) 82.0
 
Jan. 22, 2022, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 1.0 ppb (1) N/A 36.0 μg/m3 (34) 26.7 μg/m3 (82) 82.0
 
Jan. 22, 2022, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 3.0 ppb (3) N/A 33.0 μg/m3 (31) 26.0 μg/m3 (81) 81.0
 
Jan. 22, 2022, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 2.0 ppb (2) N/A 49.0 μg/m3 (46) 35.7 μg/m3 (102) 102.0
 
Jan. 22, 2022, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 1.0 ppb (1) N/A 36.0 μg/m3 (34) 26.8 μg/m3 (82) 82.0
 
Jan. 22, 2022, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 3.0 ppb (3) N/A 60.0 μg/m3 (54) 43.7 μg/m3 (122) 122.0
 
Jan. 22, 2022, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 14.0 ppb (13) N/A 22.0 μg/m3 (21) 15.0 μg/m3 (58) 58.0
 
Jan. 21, 2022, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 22.0 ppb (21) N/A 14.0 μg/m3 (13) 8.8 μg/m3 (37) 37.0
 
Jan. 21, 2022, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A 11.0 μg/m3 (11) 7.2 μg/m3 (31) 31.0
 
Jan. 21, 2022, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) N/A 11.0 μg/m3 (11) 6.7 μg/m3 (28) 29.0
 
Jan. 21, 2022, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) N/A 11.0 μg/m3 (11) 6.4 μg/m3 (27) 29.0
 
Jan. 21, 2022, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) N/A 9.0 μg/m3 (9) 6.3 μg/m3 (27) 30.0
 
Jan. 21, 2022, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) N/A 10.0 μg/m3 (10) 6.7 μg/m3 (28) 30.0
 
Jan. 21, 2022, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) N/A 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
Jan. 21, 2022, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A 11.0 μg/m3 (11) 7.4 μg/m3 (31) 31.0
 
Jan. 21, 2022, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A 12.0 μg/m3 (12) 7.4 μg/m3 (31) 31.0
 
Jan. 21, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A 11.0 μg/m3 (11) 7.8 μg/m3 (33) 33.0
 
Jan. 21, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 20.0 ppb (19) N/A 18.0 μg/m3 (17) 10.6 μg/m3 (45) 45.0
 
Jan. 21, 2022, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 20.0 ppb (19) N/A 14.0 μg/m3 (13) 8.6 μg/m3 (36) 36.0
 
Jan. 21, 2022, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) N/A 15.0 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
Jan. 21, 2022, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) N/A 12.0 μg/m3 (12) 7.1 μg/m3 (30) 30.0
 
Jan. 21, 2022, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 25.0 ppb (24) N/A 10.0 μg/m3 (10) 7.2 μg/m3 (31) 31.0
 
Jan. 21, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 12.0 μg/m3 (12) 7.3 μg/m3 (31) 31.0
 
Jan. 21, 2022, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) N/A 11.0 μg/m3 (11) 7.7 μg/m3 (33) 33.0
 
Jan. 21, 2022, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 24.0 ppb (23) N/A 12.0 μg/m3 (12) 8.1 μg/m3 (34) 34.0
 
Jan. 21, 2022, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A 9.0 μg/m3 (9) 6.1 μg/m3 (26) 27.0
 
Jan. 21, 2022, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) N/A 8.0 μg/m3 (8) 5.0 μg/m3 (21) 29.0
 
Jan. 21, 2022, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) N/A 8.0 μg/m3 (8) 4.7 μg/m3 (20) 29.0
 
Jan. 21, 2022, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A 10.0 μg/m3 (10) 5.7 μg/m3 (24) 28.0
 
Jan. 21, 2022, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A 10.0 μg/m3 (10) 6.6 μg/m3 (28) 28.0
 
Jan. 21, 2022, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) N/A 12.0 μg/m3 (12) 8.4 μg/m3 (36) 36.0
 
Jan. 20, 2022, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) N/A 12.0 μg/m3 (12) 8.5 μg/m3 (36) 36.0
 
Jan. 20, 2022, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A 13.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2022, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A 12.0 μg/m3 (12) 8.4 μg/m3 (36) 36.0
 
Jan. 20, 2022, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A 12.0 μg/m3 (12) 8.8 μg/m3 (37) 37.0
 
Jan. 20, 2022, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A 14.0 μg/m3 (13) 9.3 μg/m3 (39) 39.0
 
Jan. 20, 2022, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A 12.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2022, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A 12.0 μg/m3 (12) 8.3 μg/m3 (35) 35.0
 
Jan. 20, 2022, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A 13.0 μg/m3 (13) 9.4 μg/m3 (40) 40.0
 
Jan. 20, 2022, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A 13.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) N/A 12.0 μg/m3 (12) 8.4 μg/m3 (36) 36.0
 
Jan. 20, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A 12.0 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
Jan. 20, 2022, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A 10.0 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
Jan. 20, 2022, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A 9.0 μg/m3 (9) 5.6 μg/m3 (24) 28.0
 
Jan. 20, 2022, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) N/A 8.0 μg/m3 (8) 4.9 μg/m3 (21) 30.0
 
Jan. 20, 2022, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) N/A 16.0 μg/m3 (15) 11.1 μg/m3 (47) 47.0
 
Jan. 20, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 23.0 μg/m3 (22) 15.1 μg/m3 (58) 58.0
 
Jan. 20, 2022, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 19.0 ppb (18) N/A 19.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2022, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) N/A 16.0 μg/m3 (15) 9.4 μg/m3 (40) 40.0
 
Jan. 20, 2022, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) N/A 13.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
Jan. 20, 2022, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) N/A 11.0 μg/m3 (11) 5.2 μg/m3 (22) 25.0
 
Jan. 20, 2022, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) N/A 9.0 μg/m3 (9) 5.0 μg/m3 (21) 25.0
 
Jan. 20, 2022, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) N/A 11.0 μg/m3 (11) 5.5 μg/m3 (23) 23.0
 
Jan. 20, 2022, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 24.0 ppb (23) N/A 11.0 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
Jan. 20, 2022, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A 12.0 μg/m3 (12) 8.6 μg/m3 (36) 36.0
 
Jan. 19, 2022, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 25.0 ppb (24) N/A 14.0 μg/m3 (13) 10.2 μg/m3 (43) 43.0
 
Jan. 19, 2022, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) N/A 13.0 μg/m3 (13) 10.2 μg/m3 (43) 43.0
 
Jan. 19, 2022, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 25.0 ppb (24) N/A 11.0 μg/m3 (11) 8.0 μg/m3 (34) 34.0
 
Jan. 19, 2022, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) N/A 12.0 μg/m3 (12) 7.3 μg/m3 (31) 31.0
 
Jan. 19, 2022, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A 11.0 μg/m3 (11) 6.8 μg/m3 (29) 29.0
 
Jan. 19, 2022, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 29.0 ppb (27) N/A 22.0 μg/m3 (21) 8.3 μg/m3 (35) 35.0
 
Jan. 19, 2022, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A 18.0 μg/m3 (17) 7.9 μg/m3 (33) 33.0
 
Jan. 19, 2022, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) N/A 15.0 μg/m3 (14) 6.9 μg/m3 (29) 29.0
 
Jan. 19, 2022, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) N/A 22.0 μg/m3 (21) 7.4 μg/m3 (31) 31.0
 
Jan. 19, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) N/A 19.0 μg/m3 (18) 7.0 μg/m3 (30) 30.0
 
Jan. 19, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) N/A 23.0 μg/m3 (22) 7.8 μg/m3 (33) 33.0
 
Jan. 19, 2022, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) N/A 30.0 μg/m3 (28) 8.6 μg/m3 (36) 36.0
 
Jan. 19, 2022, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 23.0 ppb (22) N/A 17.0 μg/m3 (16) 7.8 μg/m3 (33) 33.0
 
Jan. 19, 2022, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) N/A 15.0 μg/m3 (14) 7.2 μg/m3 (31) 31.0
 
Jan. 19, 2022, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) N/A 15.0 μg/m3 (14) 7.2 μg/m3 (31) 31.0
 
Jan. 19, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 15.0 μg/m3 (14) 7.2 μg/m3 (31) 31.0
 
Jan. 19, 2022, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) N/A 21.0 μg/m3 (20) 7.9 μg/m3 (33) 33.0
 
Jan. 19, 2022, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A 20.0 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
Jan. 19, 2022, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 22.0 ppb (21) N/A 20.0 μg/m3 (19) 9.6 μg/m3 (40) 40.0
 
Jan. 19, 2022, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) N/A 13.0 μg/m3 (13) 8.5 μg/m3 (36) 36.0
 
Jan. 19, 2022, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 12.0 ppb (12) N/A 21.0 μg/m3 (20) 8.7 μg/m3 (37) 37.0
 
Jan. 19, 2022, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 20.0 ppb (19) N/A 18.0 μg/m3 (17) 8.5 μg/m3 (36) 36.0
 
Jan. 19, 2022, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) N/A 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Jan. 19, 2022, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) N/A 12.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2022, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) N/A 11.0 μg/m3 (11) 8.4 μg/m3 (36) 36.0
 
Jan. 18, 2022, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A 12.0 μg/m3 (12) 8.8 μg/m3 (37) 37.0
 
Jan. 18, 2022, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A 14.0 μg/m3 (13) 9.7 μg/m3 (41) 41.0
 
Jan. 18, 2022, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (29) N/A 14.0 μg/m3 (13) 8.4 μg/m3 (36) 36.0
 
Jan. 18, 2022, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 31.0 ppb (29) N/A 17.0 μg/m3 (16) 9.3 μg/m3 (39) 39.0
 
Jan. 18, 2022, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 33.0 ppb (31) N/A 16.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
Jan. 18, 2022, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 27.0 ppb (25) N/A 19.0 μg/m3 (18) 11.3 μg/m3 (48) 48.0
 
Jan. 18, 2022, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A 35.0 μg/m3 (33) 14.7 μg/m3 (57) 57.0
 
Jan. 18, 2022, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 16.0 ppb (15) N/A 41.0 μg/m3 (38) 16.2 μg/m3 (60) 60.0
 
Jan. 18, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 13.0 ppb (13) N/A 44.0 μg/m3 (41) 16.7 μg/m3 (61) 61.0
 
Jan. 18, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 13.9 μg/m3 (55) 55.0
 
Jan. 18, 2022, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 3.0 ppb (3) N/A 25.0 μg/m3 (24) 12.8 μg/m3 (53) 53.0
 
Jan. 18, 2022, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 9.0 ppb (9) N/A 20.0 μg/m3 (19) 13.2 μg/m3 (54) 54.0
 
Jan. 18, 2022, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 15.0 ppb (14) N/A 15.0 μg/m3 (14) 11.4 μg/m3 (48) 48.0
 
Jan. 18, 2022, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 20.0 ppb (19) N/A 15.0 μg/m3 (14) 11.1 μg/m3 (47) 47.0
 
Jan. 18, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 15.0 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2022, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 25.0 ppb (24) N/A 15.0 μg/m3 (14) 10.6 μg/m3 (45) 45.0
 
Jan. 18, 2022, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 25.0 ppb (24) N/A 14.0 μg/m3 (13) 10.7 μg/m3 (45) 45.0
 
Jan. 18, 2022, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 22.0 ppb (21) N/A 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2022, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A 13.0 μg/m3 (13) 10.5 μg/m3 (44) 44.0
 
Jan. 18, 2022, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A 13.0 μg/m3 (13) 11.3 μg/m3 (48) 48.0
 
Jan. 18, 2022, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) N/A 13.0 μg/m3 (13) 10.8 μg/m3 (46) 46.0
 
Jan. 18, 2022, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) N/A 13.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2022, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) N/A 9.0 μg/m3 (9) 6.9 μg/m3 (29) 30.0
 
Jan. 17, 2022, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) N/A 9.0 μg/m3 (9) 6.7 μg/m3 (28) 30.0
 
Jan. 17, 2022, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) N/A 13.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2022, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A 19.0 μg/m3 (18) 15.6 μg/m3 (59) 59.0
 
Jan. 17, 2022, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) N/A 23.0 μg/m3 (22) 18.7 μg/m3 (65) 65.0
 
Jan. 17, 2022, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) N/A 24.0 μg/m3 (23) 19.6 μg/m3 (67) 67.0
 
Jan. 17, 2022, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A 24.0 μg/m3 (23) 19.3 μg/m3 (67) 67.0
 
Jan. 17, 2022, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A 21.0 μg/m3 (20) 18.2 μg/m3 (64) 64.0
 
Jan. 17, 2022, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A 23.0 μg/m3 (22) 18.4 μg/m3 (65) 65.0
 
Jan. 17, 2022, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A 22.0 μg/m3 (21) 18.9 μg/m3 (66) 66.0
 
Jan. 17, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A 22.0 μg/m3 (21) 18.2 μg/m3 (64) 64.0
 
Jan. 17, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A 20.0 μg/m3 (19) 17.5 μg/m3 (63) 63.0
 
Jan. 17, 2022, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A 19.0 μg/m3 (18) 16.6 μg/m3 (61) 61.0
 
Jan. 17, 2022, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A 13.0 μg/m3 (13) 10.9 μg/m3 (46) 46.0
 
Jan. 17, 2022, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) N/A 13.0 μg/m3 (13) 10.1 μg/m3 (43) 43.0
 
Jan. 17, 2022, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) N/A 13.0 μg/m3 (13) 10.9 μg/m3 (46) 46.0
 
Jan. 17, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 13.0 μg/m3 (13) 10.3 μg/m3 (43) 43.0