ID: 2388

AQSQID: 211110075

Site Name: Near Road

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

Updated: Jan. 18, 2021, 9:31 a.m.

Location: Louisville (Camp Taylor), KY

Reporting: True, Located: True

Current AQI: 31.0

Louisville (Camp Taylor) KY, US: 38.1935, -85.7121

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 18, 2021, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.17 ppb (3) 9.6 μg/m3 (9) 7.3 μg/m3 (31) 31.0
 
Jan. 18, 2021, 7 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.18 ppb (3) 10.4 μg/m3 (10) 8.0 μg/m3 (34) 34.0
 
Jan. 18, 2021, 6 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.19 ppb (3) 10.6 μg/m3 (10) 7.9 μg/m3 (33) 33.0
 
Jan. 18, 2021, 5 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.19 ppb (3) 10.7 μg/m3 (10) 7.9 μg/m3 (33) 33.0
 
Jan. 18, 2021, 4 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.2 ppb (3) 11.1 μg/m3 (11) 8.5 μg/m3 (36) 36.0
 
Jan. 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 10.7 μg/m3 (10) 8.0 μg/m3 (34) 34.0
 
Jan. 18, 2021, 2 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.2 ppb (3) 11.5 μg/m3 (11) 8.8 μg/m3 (37) 37.0
 
Jan. 18, 2021, 1 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.23 ppb (3) 12.4 μg/m3 (12) 9.4 μg/m3 (40) 40.0
 
Jan. 18, 2021, midnight N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.23 ppb (3) 11.8 μg/m3 (11) 8.8 μg/m3 (37) 37.0
 
Jan. 17, 2021, 11 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.22 ppb (3) 12.2 μg/m3 (12) 9.5 μg/m3 (40) 40.0
 
Jan. 17, 2021, 10 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.28 ppb (4) 13.7 μg/m3 (13) 10.1 μg/m3 (43) 43.0
 
Jan. 17, 2021, 9 p.m. N/A N/A N/A 23.0 ppb (22) N/A N/A N/A 0.37 ppb (5) 17.5 μg/m3 (17) 10.2 μg/m3 (43) 43.0
 
Jan. 17, 2021, 8 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.24 ppb (3) 12.7 μg/m3 (12) 8.7 μg/m3 (37) 37.0
 
Jan. 17, 2021, 7 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.22 ppb (3) 11.5 μg/m3 (11) 8.4 μg/m3 (36) 36.0
 
Jan. 17, 2021, 6 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.22 ppb (3) 10.7 μg/m3 (10) 7.8 μg/m3 (33) 33.0
 
Jan. 17, 2021, 5 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.25 ppb (3) 11.3 μg/m3 (11) 8.2 μg/m3 (35) 35.0
 
Jan. 17, 2021, 4 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.21 ppb (3) 11.4 μg/m3 (11) 8.4 μg/m3 (36) 36.0
 
Jan. 17, 2021, 3 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.35 ppb (4) 15.7 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2021, 2 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.38 ppb (5) 21.1 μg/m3 (20) 15.1 μg/m3 (58) 58.0
 
Jan. 17, 2021, 1 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.32 ppb (4) 21.4 μg/m3 (20) 14.6 μg/m3 (57) 57.0
 
Jan. 17, 2021, noon N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.32 ppb (4) 18.8 μg/m3 (18) 13.6 μg/m3 (55) 55.0
 
Jan. 17, 2021, 11 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.28 ppb (4) 15.7 μg/m3 (15) 12.5 μg/m3 (52) 52.0
 
Jan. 17, 2021, 10 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.25 ppb (3) 14.5 μg/m3 (14) 12.1 μg/m3 (51) 51.0
 
Jan. 17, 2021, 9 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.21 ppb (3) 13.3 μg/m3 (13) 11.5 μg/m3 (48) 48.0
 
Jan. 17, 2021, 8 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.2 ppb (3) 12.9 μg/m3 (12) 11.1 μg/m3 (47) 47.0
 
Jan. 17, 2021, 7 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.2 ppb (3) 12.2 μg/m3 (12) 10.4 μg/m3 (44) 44.0
 
Jan. 17, 2021, 6 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.22 ppb (3) 12.4 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2021, 5 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.22 ppb (3) 11.8 μg/m3 (11) 9.1 μg/m3 (38) 38.0
 
Jan. 17, 2021, 4 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.25 ppb (3) 12.3 μg/m3 (12) 8.9 μg/m3 (38) 38.0
 
Jan. 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.25 ppb (3) 13.8 μg/m3 (13) 10.7 μg/m3 (45) 45.0
 
Jan. 17, 2021, 2 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.25 ppb (3) 13.2 μg/m3 (13) 10.1 μg/m3 (43) 43.0
 
Jan. 17, 2021, 1 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.26 ppb (4) 15.2 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2021, midnight N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.27 ppb (4) 15.6 μg/m3 (15) 12.5 μg/m3 (52) 52.0
 
Jan. 16, 2021, 11 p.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.25 ppb (3) 14.8 μg/m3 (14) 11.2 μg/m3 (47) 47.0
 
Jan. 16, 2021, 10 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.24 ppb (3) 12.6 μg/m3 (12) 9.7 μg/m3 (41) 41.0
 
Jan. 16, 2021, 9 p.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.27 ppb (4) 14.3 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2021, 8 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.25 ppb (3) 12.7 μg/m3 (12) 9.1 μg/m3 (38) 38.0
 
Jan. 16, 2021, 7 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.2 ppb (3) 10.4 μg/m3 (10) 7.4 μg/m3 (31) 31.0
 
Jan. 16, 2021, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 7.7 μg/m3 (33) 33.0
 
Jan. 16, 2021, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (3) 10.1 μg/m3 (10) 8.0 μg/m3 (34) 34.0
 
Jan. 16, 2021, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (3) 10.3 μg/m3 (10) 7.8 μg/m3 (33) 33.0
 
Jan. 16, 2021, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.19 ppb (3) 10.9 μg/m3 (11) 9.1 μg/m3 (38) 38.0
 
Jan. 16, 2021, 2 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.2 ppb (3) 12.5 μg/m3 (12) 10.1 μg/m3 (43) 43.0
 
Jan. 16, 2021, 1 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.21 ppb (3) 11.5 μg/m3 (11) 8.3 μg/m3 (35) 35.0
 
Jan. 16, 2021, noon N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.22 ppb (3) 12.4 μg/m3 (12) 8.1 μg/m3 (34) 34.0
 
Jan. 16, 2021, 11 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.29 ppb (4) 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2021, 10 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A N/A 0.32 ppb (4) 17.2 μg/m3 (16) 8.6 μg/m3 (36) 36.0
 
Jan. 16, 2021, 9 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.31 ppb (4) 15.2 μg/m3 (15) 7.4 μg/m3 (31) 31.0
 
Jan. 16, 2021, 8 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.26 ppb (4) 14.7 μg/m3 (14) 6.7 μg/m3 (28) 28.0
 
Jan. 16, 2021, 7 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.25 ppb (3) 14.7 μg/m3 (14) 6.6 μg/m3 (28) 28.0
 
Jan. 16, 2021, 6 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.26 ppb (4) 12.1 μg/m3 (12) 5.8 μg/m3 (25) 25.0
 
Jan. 16, 2021, 5 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.31 ppb (4) 12.4 μg/m3 (12) 5.8 μg/m3 (25) 25.0
 
Jan. 16, 2021, 4 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.31 ppb (4) 12.4 μg/m3 (12) 5.2 μg/m3 (22) 22.0
 
Jan. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.34 ppb (4) 11.3 μg/m3 (11) 4.7 μg/m3 (20) 20.0
 
Jan. 16, 2021, 2 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.29 ppb (4) 13.0 μg/m3 (13) 5.8 μg/m3 (25) 25.0
 
Jan. 16, 2021, 1 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.23 ppb (3) 15.3 μg/m3 (15) 4.7 μg/m3 (20) 20.0
 
Jan. 16, 2021, midnight N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.26 ppb (4) 17.2 μg/m3 (16) 4.3 μg/m3 (18) 18.0
 
Jan. 15, 2021, 11 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.26 ppb (4) 17.7 μg/m3 (17) 4.1 μg/m3 (18) 18.0
 
Jan. 15, 2021, 10 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 0.35 ppb (4) 18.0 μg/m3 (17) 4.2 μg/m3 (18) 21.0
 
Jan. 15, 2021, 9 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.28 ppb (4) 23.2 μg/m3 (22) 4.3 μg/m3 (18) 22.0
 
Jan. 15, 2021, 8 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.42 ppb (5) 27.3 μg/m3 (26) 4.9 μg/m3 (21) 26.0
 
Jan. 15, 2021, 7 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.32 ppb (4) 29.6 μg/m3 (28) 5.0 μg/m3 (21) 28.0
 
Jan. 15, 2021, 6 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.3 ppb (4) 29.6 μg/m3 (28) 4.9 μg/m3 (21) 28.0
 
Jan. 15, 2021, 5 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.3 ppb (4) 26.0 μg/m3 (25) 5.3 μg/m3 (23) 25.0
 
Jan. 15, 2021, 4 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.31 ppb (4) 21.9 μg/m3 (21) 4.8 μg/m3 (20) 21.0
 
Jan. 15, 2021, 3 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.32 ppb (4) 29.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
Jan. 15, 2021, 2 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.37 ppb (5) 24.4 μg/m3 (23) 7.8 μg/m3 (33) 33.0
 
Jan. 15, 2021, 1 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A N/A 42.0 μg/m3 (39) 12.1 μg/m3 (51) 51.0
 
Jan. 15, 2021, noon N/A N/A N/A 28.0 ppb (27) N/A N/A N/A N/A 34.2 μg/m3 (32) 9.5 μg/m3 (40) 40.0
 
Jan. 15, 2021, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A N/A 12.3 μg/m3 (12) 5.9 μg/m3 (25) 25.0
 
Jan. 15, 2021, 10 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A N/A N/A 14.4 μg/m3 (14) 7.3 μg/m3 (31) 31.0
 
Jan. 15, 2021, 9 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A N/A N/A 15.4 μg/m3 (15) 7.4 μg/m3 (31) 31.0
 
Jan. 15, 2021, 8 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A N/A 11.2 μg/m3 (11) 5.7 μg/m3 (24) 24.0
 
Jan. 15, 2021, 7 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A N/A 7.7 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2021, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A N/A 6.8 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2021, 5 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A N/A 15.5 μg/m3 (15) 10.4 μg/m3 (44) 44.0
 
Jan. 15, 2021, 4 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.36 ppb (5) 16.9 μg/m3 (16) 10.5 μg/m3 (44) 44.0
 
Jan. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.43 ppb (5) 19.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2021, 2 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.43 ppb (5) 21.7 μg/m3 (21) 10.8 μg/m3 (46) 46.0
 
Jan. 15, 2021, 1 a.m. N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 0.59 ppb (7) 27.9 μg/m3 (26) 12.6 μg/m3 (53) 53.0
 
Jan. 15, 2021, midnight N/A N/A N/A 42.0 ppb (40) N/A N/A N/A 0.73 ppb (8) 34.2 μg/m3 (32) 14.4 μg/m3 (56) 56.0
 
Jan. 14, 2021, 11 p.m. N/A N/A N/A 36.0 ppb (34) N/A N/A N/A 0.64 ppb (7) 30.8 μg/m3 (29) 11.6 μg/m3 (49) 49.0
 
Jan. 14, 2021, 10 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.58 ppb (7) 25.2 μg/m3 (24) 10.7 μg/m3 (45) 45.0
 
Jan. 14, 2021, 9 p.m. N/A N/A N/A 24.0 ppb (23) N/A N/A N/A 0.57 ppb (7) 23.7 μg/m3 (22) 10.8 μg/m3 (46) 46.0
 
Jan. 14, 2021, 8 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.43 ppb (5) 25.0 μg/m3 (24) 11.4 μg/m3 (48) 48.0
 
Jan. 14, 2021, 7 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.41 ppb (5) 26.8 μg/m3 (25) 13.2 μg/m3 (54) 54.0
 
Jan. 14, 2021, 6 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.37 ppb (5) 31.3 μg/m3 (29) 14.1 μg/m3 (56) 56.0
 
Jan. 14, 2021, 5 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.37 ppb (5) 32.3 μg/m3 (30) 13.9 μg/m3 (55) 55.0
 
Jan. 14, 2021, 4 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.37 ppb (5) 32.5 μg/m3 (31) 14.2 μg/m3 (56) 56.0
 
Jan. 14, 2021, 3 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.4 ppb (5) 29.2 μg/m3 (28) 14.6 μg/m3 (57) 57.0
 
Jan. 14, 2021, 2 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.41 ppb (5) 31.3 μg/m3 (29) 15.6 μg/m3 (59) 59.0
 
Jan. 14, 2021, 1 p.m. N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 0.53 ppb (6) 30.1 μg/m3 (28) 15.7 μg/m3 (59) 59.0
 
Jan. 14, 2021, noon N/A N/A N/A 24.0 ppb (23) N/A N/A N/A 0.48 ppb (6) 25.5 μg/m3 (24) 14.1 μg/m3 (56) 56.0
 
Jan. 14, 2021, 11 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 0.46 ppb (6) 26.0 μg/m3 (25) 13.3 μg/m3 (54) 54.0
 
Jan. 14, 2021, 10 a.m. N/A N/A N/A 23.0 ppb (22) N/A N/A N/A 0.42 ppb (5) 21.5 μg/m3 (20) 12.2 μg/m3 (52) 52.0
 
Jan. 14, 2021, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.33 ppb (4) 18.6 μg/m3 (18) 11.2 μg/m3 (47) 47.0
 
Jan. 14, 2021, 8 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.3 ppb (4) 20.9 μg/m3 (20) 11.7 μg/m3 (49) 49.0
 
Jan. 14, 2021, 7 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.27 ppb (4) 17.7 μg/m3 (17) 10.1 μg/m3 (43) 43.0
 
Jan. 14, 2021, 6 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.3 ppb (4) 18.5 μg/m3 (18) 10.6 μg/m3 (45) 45.0
 
Jan. 14, 2021, 5 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 0.4 ppb (5) 24.9 μg/m3 (24) 13.7 μg/m3 (55) 55.0
 
Jan. 14, 2021, 4 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A N/A 0.52 ppb (6) 26.6 μg/m3 (25) 15.8 μg/m3 (59) 59.0
 
Jan. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.48 ppb (6) 29.1 μg/m3 (27) 16.2 μg/m3 (60) 60.0
 
Jan. 14, 2021, 2 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A N/A 0.45 ppb (6) 29.7 μg/m3 (28) 16.4 μg/m3 (61) 61.0
 
Jan. 14, 2021, 1 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.46 ppb (6) 27.1 μg/m3 (26) 13.6 μg/m3 (55) 55.0
 
Jan. 14, 2021, midnight N/A N/A N/A 29.0 ppb (28) N/A N/A N/A 0.46 ppb (6) 25.5 μg/m3 (24) 13.1 μg/m3 (54) 54.0
 
Jan. 13, 2021, 11 p.m. N/A N/A N/A 30.0 ppb (29) N/A N/A N/A 0.54 ppb (6) 26.3 μg/m3 (25) 12.4 μg/m3 (52) 52.0
 
Jan. 13, 2021, 10 p.m. N/A N/A N/A 29.0 ppb (28) N/A N/A N/A 0.54 ppb (6) 26.4 μg/m3 (25) 11.8 μg/m3 (50) 50.0
 
Jan. 13, 2021, 9 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.54 ppb (6) 25.5 μg/m3 (24) 11.1 μg/m3 (47) 47.0
 
Jan. 13, 2021, 8 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.38 ppb (5) 22.5 μg/m3 (21) 10.9 μg/m3 (46) 46.0
 
Jan. 13, 2021, 7 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.34 ppb (4) 23.9 μg/m3 (23) 11.4 μg/m3 (48) 48.0
 
Jan. 13, 2021, 6 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.31 ppb (4) 26.0 μg/m3 (25) 13.2 μg/m3 (54) 54.0
 
Jan. 13, 2021, 5 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.35 ppb (4) 31.6 μg/m3 (30) 16.4 μg/m3 (61) 61.0
 
Jan. 13, 2021, 4 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.36 ppb (5) 33.0 μg/m3 (31) 18.3 μg/m3 (65) 65.0
 
Jan. 13, 2021, 3 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.38 ppb (5) 35.3 μg/m3 (33) 20.5 μg/m3 (69) 69.0
 
Jan. 13, 2021, 2 p.m. N/A N/A N/A 24.0 ppb (23) N/A N/A N/A 0.5 ppb (6) 44.7 μg/m3 (42) 23.1 μg/m3 (75) 75.0
 
Jan. 13, 2021, 1 p.m. N/A N/A N/A 28.0 ppb (27) N/A N/A N/A 0.67 ppb (8) 47.1 μg/m3 (44) 22.9 μg/m3 (74) 74.0
 
Jan. 13, 2021, noon N/A N/A N/A 29.0 ppb (28) N/A N/A N/A 0.59 ppb (7) 37.2 μg/m3 (35) 21.4 μg/m3 (71) 71.0
 
Jan. 13, 2021, 11 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A N/A 0.5 ppb (6) 31.5 μg/m3 (30) 19.8 μg/m3 (68) 68.0
 
Jan. 13, 2021, 10 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A N/A 0.46 ppb (6) 31.6 μg/m3 (30) 19.5 μg/m3 (67) 67.0
 
Jan. 13, 2021, 9 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A N/A 0.48 ppb (6) 28.1 μg/m3 (27) 19.0 μg/m3 (66) 66.0
 
Jan. 13, 2021, 8 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.38 ppb (5) 29.9 μg/m3 (28) 19.4 μg/m3 (67) 67.0
 
Jan. 13, 2021, 7 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 0.39 ppb (5) 29.9 μg/m3 (28) 19.4 μg/m3 (67) 67.0
 
Jan. 13, 2021, 6 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A N/A 0.41 ppb (5) 33.2 μg/m3 (31) 19.9 μg/m3 (68) 68.0
 
Jan. 13, 2021, 5 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A N/A 0.48 ppb (6) 29.0 μg/m3 (27) 18.9 μg/m3 (66) 66.0
 
Jan. 13, 2021, 4 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A N/A 0.45 ppb (6) 26.9 μg/m3 (25) 17.7 μg/m3 (63) 63.0
 
Jan. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.49 ppb (6) 26.2 μg/m3 (25) 16.6 μg/m3 (61) 61.0
 
Jan. 13, 2021, 2 a.m. N/A N/A N/A 23.0 ppb (22) N/A N/A N/A N/A 26.6 μg/m3 (25) 17.7 μg/m3 (63) 63.0
 
Jan. 13, 2021, 1 a.m. N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 0.4 ppb (5) 25.9 μg/m3 (24) 17.4 μg/m3 (63) 63.0
 
Jan. 13, 2021, midnight N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.49 ppb (6) 29.5 μg/m3 (28) 16.8 μg/m3 (61) 61.0
 
Jan. 12, 2021, 11 p.m. N/A N/A N/A 31.0 ppb (30) N/A N/A N/A 0.56 ppb (7) 29.8 μg/m3 (28) 16.3 μg/m3 (60) 60.0
 
Jan. 12, 2021, 10 p.m. N/A N/A N/A 30.0 ppb (29) N/A N/A N/A 0.58 ppb (7) 27.4 μg/m3 (26) 16.1 μg/m3 (60) 60.0
 
Jan. 12, 2021, 9 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.38 ppb (5) 21.8 μg/m3 (21) 14.9 μg/m3 (57) 57.0
 
Jan. 12, 2021, 8 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.43 ppb (5) 26.4 μg/m3 (25) 17.8 μg/m3 (63) 63.0
 
Jan. 12, 2021, 7 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.36 ppb (5) 32.1 μg/m3 (30) 21.1 μg/m3 (70) 70.0
 
Jan. 12, 2021, 6 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.36 ppb (5) 32.3 μg/m3 (30) 22.8 μg/m3 (74) 74.0
 
Jan. 12, 2021, 5 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.35 ppb (4) 34.6 μg/m3 (33) 21.3 μg/m3 (71) 71.0
 
Jan. 12, 2021, 4 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.32 ppb (4) 32.3 μg/m3 (30) 20.0 μg/m3 (68) 68.0
 
Jan. 12, 2021, 3 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.36 ppb (5) 44.4 μg/m3 (42) 22.8 μg/m3 (74) 74.0
 
Jan. 12, 2021, 2 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.37 ppb (5) 39.7 μg/m3 (37) 21.6 μg/m3 (71) 71.0
 
Jan. 12, 2021, 1 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.32 ppb (4) 32.0 μg/m3 (30) 20.2 μg/m3 (69) 69.0
 
Jan. 12, 2021, noon N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.24 ppb (3) 27.1 μg/m3 (26) 19.1 μg/m3 (66) 66.0
 
Jan. 12, 2021, 11 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.22 ppb (3) 27.1 μg/m3 (26) 18.9 μg/m3 (66) 66.0
 
Jan. 12, 2021, 10 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.18 ppb (3) 25.2 μg/m3 (24) 18.3 μg/m3 (65) 65.0
 
Jan. 12, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (3) 24.6 μg/m3 (23) 17.7 μg/m3 (63) 63.0
 
Jan. 12, 2021, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (3) 26.6 μg/m3 (25) 19.8 μg/m3 (68) 68.0
 
Jan. 12, 2021, 7 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.19 ppb (3) 28.1 μg/m3 (27) 21.6 μg/m3 (71) 71.0
 
Jan. 12, 2021, 6 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.19 ppb (3) 28.8 μg/m3 (27) 21.4 μg/m3 (71) 71.0
 
Jan. 12, 2021, 5 a.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.2 ppb (3) 32.9 μg/m3 (31) 23.6 μg/m3 (76) 76.0
 
Jan. 12, 2021, 4 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.23 ppb (3) 32.6 μg/m3 (31) 22.8 μg/m3 (74) 74.0
 
Jan. 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.24 ppb (3) 32.4 μg/m3 (30) 21.4 μg/m3 (71) 71.0
 
Jan. 12, 2021, 2 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.19 ppb (3) 31.3 μg/m3 (29) 21.3 μg/m3 (71) 71.0
 
Jan. 12, 2021, 1 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.19 ppb (3) 28.8 μg/m3 (27) 19.8 μg/m3 (68) 68.0
 
Jan. 12, 2021, midnight N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.21 ppb (3) 25.3 μg/m3 (24) 18.8 μg/m3 (66) 66.0
 
Jan. 11, 2021, 11 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.21 ppb (3) 23.4 μg/m3 (22) 17.8 μg/m3 (63) 63.0
 
Jan. 11, 2021, 10 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.21 ppb (3) 24.5 μg/m3 (23) 18.0 μg/m3 (64) 64.0
 
Jan. 11, 2021, 9 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.23 ppb (3) 24.0 μg/m3 (23) 17.0 μg/m3 (62) 62.0
 
Jan. 11, 2021, 8 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.21 ppb (3) 22.9 μg/m3 (22) 16.7 μg/m3 (61) 61.0
 
Jan. 11, 2021, 7 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.21 ppb (3) 22.4 μg/m3 (21) 16.1 μg/m3 (60) 60.0
 
Jan. 11, 2021, 6 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.2 ppb (3) 21.5 μg/m3 (20) 15.7 μg/m3 (59) 59.0
 
Jan. 11, 2021, 5 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.2 ppb (3) 19.6 μg/m3 (19) 15.2 μg/m3 (58) 58.0
 
Jan. 11, 2021, 4 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.19 ppb (3) 20.5 μg/m3 (19) 15.8 μg/m3 (59) 59.0
 
Jan. 11, 2021, 3 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.2 ppb (3) 19.2 μg/m3 (18) 15.1 μg/m3 (58) 58.0
 
Jan. 11, 2021, 2 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.2 ppb (3) 17.9 μg/m3 (17) 14.6 μg/m3 (57) 57.0
 
Jan. 11, 2021, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.22 ppb (3) 17.4 μg/m3 (17) 14.5 μg/m3 (57) 57.0
 
Jan. 11, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.21 ppb (3) 17.8 μg/m3 (17) 15.4 μg/m3 (58) 58.0
 
Jan. 11, 2021, 11 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.19 ppb (3) 20.8 μg/m3 (20) 17.5 μg/m3 (63) 63.0
 
Jan. 11, 2021, 10 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.18 ppb (3) 21.0 μg/m3 (20) 18.1 μg/m3 (64) 64.0
 
Jan. 11, 2021, 9 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.18 ppb (3) 20.5 μg/m3 (19) 18.7 μg/m3 (65) 65.0