ID: 2388

AQSQID: 211110075

Site Name: Near Road

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

Updated: April 11, 2021, 3:43 a.m.

Location: Louisville (Camp Taylor), KY

Reporting: True, Located: True

Current AQI: 20.0

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
April 11, 2021, 2 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.25 ppb (3) 12.8 μg/m3 (12) 4.6 μg/m3 (20) 20.0
 
April 11, 2021, 1 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.25 ppb (3) 11.8 μg/m3 (11) 5.4 μg/m3 (23) 23.0
 
April 11, 2021, midnight N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.34 ppb (4) 10.6 μg/m3 (10) 5.1 μg/m3 (22) 22.0
 
April 10, 2021, 11 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.37 ppb (5) 10.5 μg/m3 (10) 4.5 μg/m3 (19) 19.0
 
April 10, 2021, 10 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.33 ppb (4) 9.3 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
April 10, 2021, 9 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.33 ppb (4) 11.6 μg/m3 (11) 4.5 μg/m3 (19) 19.0
 
April 10, 2021, 8 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.36 ppb (5) 14.1 μg/m3 (14) 5.3 μg/m3 (23) 23.0
 
April 10, 2021, 7 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.37 ppb (5) 13.9 μg/m3 (13) 5.8 μg/m3 (25) 25.0
 
April 10, 2021, 6 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.37 ppb (5) 13.7 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
April 10, 2021, 5 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.31 ppb (4) 15.6 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
April 10, 2021, 4 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.29 ppb (4) 16.6 μg/m3 (16) 8.2 μg/m3 (35) 35.0
 
April 10, 2021, 3 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.34 ppb (4) 17.8 μg/m3 (17) 8.9 μg/m3 (38) 38.0
 
April 10, 2021, 2 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.37 ppb (5) 25.7 μg/m3 (24) 11.9 μg/m3 (50) 50.0
 
April 10, 2021, 1 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.34 ppb (4) 28.7 μg/m3 (27) 11.2 μg/m3 (47) 47.0
 
April 10, 2021, noon N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.33 ppb (4) 19.4 μg/m3 (18) 9.4 μg/m3 (40) 40.0
 
April 10, 2021, 11 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.32 ppb (4) 19.8 μg/m3 (19) 9.7 μg/m3 (41) 41.0
 
April 10, 2021, 10 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.29 ppb (4) 21.5 μg/m3 (20) 10.2 μg/m3 (43) 43.0
 
April 10, 2021, 9 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.33 ppb (4) 27.6 μg/m3 (26) 11.6 μg/m3 (49) 49.0
 
April 10, 2021, 8 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.4 ppb (5) 25.4 μg/m3 (24) 11.7 μg/m3 (49) 49.0
 
April 10, 2021, 7 a.m. N/A N/A N/A 23.0 ppb (22) N/A N/A N/A 0.37 ppb (5) 24.5 μg/m3 (23) 10.7 μg/m3 (45) 45.0
 
April 10, 2021, 6 a.m. N/A N/A N/A 24.0 ppb (23) N/A N/A N/A 0.5 ppb (6) 32.3 μg/m3 (30) 10.8 μg/m3 (46) 46.0
 
April 10, 2021, 5 a.m. N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 0.51 ppb (6) 28.9 μg/m3 (27) 10.5 μg/m3 (44) 44.0
 
April 10, 2021, 4 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.57 ppb (7) 64.3 μg/m3 (56) 36.2 μg/m3 (103) 103.0
 
April 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.65 ppb (8) 33.8 μg/m3 (32) 13.8 μg/m3 (55) 55.0
 
April 10, 2021, 2 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A N/A 0.6 ppb (7) 29.3 μg/m3 (28) 9.7 μg/m3 (41) 41.0
 
April 10, 2021, 1 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A N/A 0.55 ppb (7) 26.0 μg/m3 (25) 8.4 μg/m3 (36) 36.0
 
April 10, 2021, midnight N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 0.42 ppb (5) 24.7 μg/m3 (23) 6.9 μg/m3 (29) 29.0
 
April 9, 2021, 11 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.42 ppb (5) 21.8 μg/m3 (21) 7.6 μg/m3 (32) 32.0
 
April 9, 2021, 10 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.36 ppb (5) 24.6 μg/m3 (23) 8.7 μg/m3 (37) 37.0
 
April 9, 2021, 9 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.41 ppb (5) 22.5 μg/m3 (21) 7.1 μg/m3 (30) 30.0
 
April 9, 2021, 8 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.44 ppb (5) 22.2 μg/m3 (21) 6.1 μg/m3 (26) 26.0
 
April 9, 2021, 7 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 0.42 ppb (5) 26.5 μg/m3 (25) 6.6 μg/m3 (28) 28.0
 
April 9, 2021, 6 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.36 ppb (5) 23.5 μg/m3 (22) 6.4 μg/m3 (27) 27.0
 
April 9, 2021, 5 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.35 ppb (4) 20.2 μg/m3 (19) 6.4 μg/m3 (27) 27.0
 
April 9, 2021, 4 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.36 ppb (5) 20.5 μg/m3 (19) 6.7 μg/m3 (28) 28.0
 
April 9, 2021, 3 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.34 ppb (4) 20.6 μg/m3 (20) 6.5 μg/m3 (28) 28.0
 
April 9, 2021, 2 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.39 ppb (5) 22.3 μg/m3 (21) 6.5 μg/m3 (28) 28.0
 
April 9, 2021, 1 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 0.41 ppb (5) 21.2 μg/m3 (20) 6.2 μg/m3 (26) 26.0
 
April 9, 2021, noon N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 0.45 ppb (6) 22.6 μg/m3 (21) 6.3 μg/m3 (27) 27.0
 
April 9, 2021, 11 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.47 ppb (6) 22.9 μg/m3 (22) 6.3 μg/m3 (27) 27.0
 
April 9, 2021, 10 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.37 ppb (5) 16.9 μg/m3 (16) 5.5 μg/m3 (23) 23.0
 
April 9, 2021, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.35 ppb (4) 15.6 μg/m3 (15) 5.2 μg/m3 (22) 22.0
 
April 9, 2021, 8 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.29 ppb (4) 14.5 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
April 9, 2021, 7 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.28 ppb (4) 12.7 μg/m3 (12) 5.1 μg/m3 (22) 22.0
 
April 9, 2021, 6 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.34 ppb (4) 15.8 μg/m3 (15) 5.8 μg/m3 (25) 25.0
 
April 9, 2021, 5 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A N/A 0.37 ppb (5) 13.6 μg/m3 (13) 5.6 μg/m3 (24) 27.0
 
April 9, 2021, 4 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.22 ppb (3) 11.7 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
April 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.21 ppb (3) 12.6 μg/m3 (12) 5.1 μg/m3 (22) 22.0
 
April 9, 2021, 2 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.22 ppb (3) 15.8 μg/m3 (15) 5.1 μg/m3 (22) 22.0
 
April 9, 2021, 1 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.26 ppb (4) 15.4 μg/m3 (15) 5.5 μg/m3 (23) 23.0
 
April 9, 2021, midnight N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.28 ppb (4) 15.6 μg/m3 (15) 4.9 μg/m3 (21) 21.0
 
April 8, 2021, 11 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.3 ppb (4) 15.0 μg/m3 (14) 4.9 μg/m3 (21) 21.0
 
April 8, 2021, 10 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.32 ppb (4) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
April 8, 2021, 9 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.36 ppb (5) 17.8 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
April 8, 2021, 8 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.47 ppb (6) 20.2 μg/m3 (19) 6.4 μg/m3 (27) 27.0
 
April 8, 2021, 7 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.44 ppb (5) 21.8 μg/m3 (21) 5.8 μg/m3 (25) 25.0
 
April 8, 2021, 6 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.37 ppb (5) 13.9 μg/m3 (13) 4.7 μg/m3 (20) 20.0
 
April 8, 2021, 5 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.34 ppb (4) 13.2 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
April 8, 2021, 4 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.34 ppb (4) 13.7 μg/m3 (13) 4.1 μg/m3 (18) 18.0
 
April 8, 2021, 3 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.34 ppb (4) 20.0 μg/m3 (19) 5.9 μg/m3 (25) 25.0
 
April 8, 2021, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.32 ppb (4) 18.9 μg/m3 (18) 4.9 μg/m3 (21) 21.0
 
April 8, 2021, 1 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.36 ppb (5) 16.6 μg/m3 (16) 4.6 μg/m3 (20) 20.0
 
April 8, 2021, noon N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.36 ppb (5) 17.3 μg/m3 (17) 4.4 μg/m3 (19) 19.0
 
April 8, 2021, 11 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.4 ppb (5) 15.3 μg/m3 (15) 4.8 μg/m3 (20) 20.0
 
April 8, 2021, 10 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.32 ppb (4) 13.4 μg/m3 (13) 4.7 μg/m3 (20) 20.0
 
April 8, 2021, 9 a.m. N/A N/A N/A 23.0 ppb (22) N/A N/A N/A 0.35 ppb (4) 16.5 μg/m3 (16) 5.8 μg/m3 (25) 25.0
 
April 8, 2021, 8 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A N/A 0.29 ppb (4) 15.6 μg/m3 (15) 8.2 μg/m3 (35) 35.0
 
April 8, 2021, 7 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.25 ppb (3) 24.3 μg/m3 (23) 13.4 μg/m3 (54) 54.0
 
April 8, 2021, 6 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.26 ppb (4) 23.5 μg/m3 (22) 12.5 μg/m3 (52) 52.0
 
April 8, 2021, 5 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.3 ppb (4) 21.8 μg/m3 (21) 12.2 μg/m3 (52) 52.0
 
April 8, 2021, 4 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.36 ppb (5) 20.7 μg/m3 (20) 11.7 μg/m3 (49) 49.0
 
April 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.46 ppb (6) 19.9 μg/m3 (19) 11.9 μg/m3 (50) 50.0
 
April 8, 2021, 2 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 0.62 ppb (7) 23.4 μg/m3 (22) 13.7 μg/m3 (55) 55.0
 
April 8, 2021, 1 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A N/A 0.53 ppb (6) 23.3 μg/m3 (22) 11.4 μg/m3 (48) 48.0
 
April 8, 2021, midnight N/A N/A N/A 31.0 ppb (30) N/A N/A N/A 0.45 ppb (6) 19.9 μg/m3 (19) 10.3 μg/m3 (43) 43.0
 
April 7, 2021, 11 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.37 ppb (5) 26.4 μg/m3 (25) 11.5 μg/m3 (48) 48.0
 
April 7, 2021, 10 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.25 ppb (3) 22.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
April 7, 2021, 9 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 0.48 ppb (6) 22.5 μg/m3 (21) 10.6 μg/m3 (45) 45.0
 
April 7, 2021, 8 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 0.5 ppb (6) 26.7 μg/m3 (25) 12.6 μg/m3 (53) 53.0
 
April 7, 2021, 7 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.49 ppb (6) 38.1 μg/m3 (36) 14.9 μg/m3 (57) 57.0
 
April 7, 2021, 6 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.43 ppb (5) 31.0 μg/m3 (29) 15.5 μg/m3 (59) 59.0
 
April 7, 2021, 5 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.45 ppb (6) 34.2 μg/m3 (32) 17.5 μg/m3 (63) 63.0
 
April 7, 2021, 4 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.41 ppb (5) 38.5 μg/m3 (36) 17.9 μg/m3 (64) 64.0
 
April 7, 2021, 3 p.m. N/A N/A N/A 23.0 ppb (22) N/A N/A N/A 0.46 ppb (6) 45.1 μg/m3 (42) 20.7 μg/m3 (70) 70.0
 
April 7, 2021, 2 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.5 ppb (6) 50.3 μg/m3 (47) 23.7 μg/m3 (76) 76.0
 
April 7, 2021, 1 p.m. N/A N/A N/A 30.0 ppb (29) N/A N/A N/A 0.55 ppb (7) 48.0 μg/m3 (45) 25.0 μg/m3 (79) 79.0
 
April 7, 2021, noon N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 0.72 ppb (8) 68.2 μg/m3 (58) 26.5 μg/m3 (82) 82.0
 
April 7, 2021, 11 a.m. N/A N/A N/A 47.0 ppb (45) N/A N/A N/A 0.87 ppb (11) 95.6 μg/m3 (72) 29.7 μg/m3 (89) 89.0
 
April 7, 2021, 10 a.m. N/A N/A N/A 44.0 ppb (42) N/A N/A N/A 0.64 ppb (7) 58.0 μg/m3 (53) 25.8 μg/m3 (80) 80.0
 
April 7, 2021, 9 a.m. N/A N/A N/A 41.0 ppb (39) N/A N/A N/A 0.55 ppb (7) 39.9 μg/m3 (37) 23.3 μg/m3 (75) 75.0
 
April 7, 2021, 8 a.m. N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 0.41 ppb (5) 43.7 μg/m3 (41) 27.2 μg/m3 (83) 83.0
 
April 7, 2021, 7 a.m. N/A N/A N/A 36.0 ppb (34) N/A N/A N/A 0.42 ppb (5) 39.3 μg/m3 (37) 22.9 μg/m3 (74) 74.0
 
April 7, 2021, 6 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.43 ppb (5) 41.6 μg/m3 (39) 23.6 μg/m3 (76) 76.0
 
April 7, 2021, 5 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A N/A 0.44 ppb (5) 41.5 μg/m3 (39) 22.5 μg/m3 (73) 73.0
 
April 7, 2021, 4 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A N/A 0.53 ppb (6) 40.1 μg/m3 (38) 22.0 μg/m3 (72) 72.0
 
April 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.55 ppb (7) 43.4 μg/m3 (41) 23.5 μg/m3 (75) 75.0
 
April 7, 2021, 2 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A N/A 0.6 ppb (7) 38.5 μg/m3 (36) 20.9 μg/m3 (70) 70.0
 
April 7, 2021, 1 a.m. N/A N/A N/A 37.0 ppb (35) N/A N/A N/A 0.56 ppb (7) 36.9 μg/m3 (35) 17.4 μg/m3 (63) 63.0
 
April 7, 2021, midnight N/A N/A N/A 39.0 ppb (37) N/A N/A N/A 0.55 ppb (7) 35.7 μg/m3 (34) 15.6 μg/m3 (59) 59.0
 
April 6, 2021, 11 p.m. N/A N/A N/A 28.0 ppb (27) N/A N/A N/A 0.45 ppb (6) 28.6 μg/m3 (27) 14.0 μg/m3 (55) 55.0
 
April 6, 2021, 10 p.m. N/A N/A N/A 23.0 ppb (22) N/A N/A N/A 0.46 ppb (6) 24.1 μg/m3 (23) 12.8 μg/m3 (53) 53.0
 
April 6, 2021, 9 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.3 ppb (4) 22.6 μg/m3 (21) 11.2 μg/m3 (47) 47.0
 
April 6, 2021, 8 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.39 ppb (5) 30.1 μg/m3 (28) 15.7 μg/m3 (59) 59.0
 
April 6, 2021, 7 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.34 ppb (4) 30.6 μg/m3 (29) 17.2 μg/m3 (62) 62.0
 
April 6, 2021, 6 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.38 ppb (5) 33.0 μg/m3 (31) 15.4 μg/m3 (58) 58.0
 
April 6, 2021, 5 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.3 ppb (4) 31.1 μg/m3 (29) 15.4 μg/m3 (58) 58.0
 
April 6, 2021, 4 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.32 ppb (4) 32.2 μg/m3 (30) 14.2 μg/m3 (56) 56.0
 
April 6, 2021, 3 p.m. N/A N/A N/A 31.0 ppb (30) N/A N/A N/A 0.44 ppb (5) 41.8 μg/m3 (39) 14.9 μg/m3 (57) 57.0
 
April 6, 2021, 2 p.m. N/A N/A N/A 34.0 ppb (33) N/A N/A N/A 0.54 ppb (6) 44.9 μg/m3 (42) 16.0 μg/m3 (60) 60.0
 
April 6, 2021, 1 p.m. N/A N/A N/A 34.0 ppb (33) N/A N/A N/A 0.63 ppb (7) 45.2 μg/m3 (42) 17.5 μg/m3 (63) 63.0
 
April 6, 2021, noon N/A N/A N/A 41.0 ppb (39) N/A N/A N/A 0.77 ppb (10) 71.9 μg/m3 (60) 22.3 μg/m3 (73) 73.0
 
April 6, 2021, 11 a.m. N/A N/A N/A 42.0 ppb (40) N/A N/A N/A 0.83 ppb (10) 71.1 μg/m3 (59) 22.0 μg/m3 (72) 72.0
 
April 6, 2021, 10 a.m. N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 0.67 ppb (8) 46.9 μg/m3 (44) 20.2 μg/m3 (69) 69.0
 
April 6, 2021, 9 a.m. N/A N/A N/A 43.0 ppb (41) N/A N/A N/A 0.65 ppb (8) 50.4 μg/m3 (47) 21.0 μg/m3 (70) 70.0
 
April 6, 2021, 8 a.m. N/A N/A N/A 42.0 ppb (40) N/A N/A N/A 0.55 ppb (7) 46.8 μg/m3 (44) 20.0 μg/m3 (68) 68.0
 
April 6, 2021, 7 a.m. N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 0.52 ppb (6) 42.3 μg/m3 (40) 19.6 μg/m3 (67) 67.0
 
April 6, 2021, 6 a.m. N/A N/A N/A 36.0 ppb (34) N/A N/A N/A 0.57 ppb (7) 38.6 μg/m3 (36) 17.7 μg/m3 (63) 63.0
 
April 6, 2021, 5 a.m. N/A N/A N/A 39.0 ppb (37) N/A N/A N/A 0.55 ppb (7) 38.6 μg/m3 (36) 16.5 μg/m3 (61) 61.0
 
April 6, 2021, 4 a.m. N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 0.65 ppb (8) 41.0 μg/m3 (38) 18.7 μg/m3 (65) 65.0
 
April 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.65 ppb (8) 39.5 μg/m3 (37) 17.7 μg/m3 (63) 63.0
 
April 6, 2021, 2 a.m. N/A N/A N/A 45.0 ppb (43) N/A N/A N/A 0.59 ppb (7) 30.9 μg/m3 (29) 12.6 μg/m3 (53) 53.0
 
April 6, 2021, 1 a.m. N/A N/A N/A 50.0 ppb (48) N/A N/A N/A 0.61 ppb (7) 30.7 μg/m3 (29) 11.4 μg/m3 (48) 48.0
 
April 6, 2021, midnight N/A N/A N/A 46.0 ppb (44) N/A N/A N/A 0.54 ppb (6) 24.9 μg/m3 (24) 10.0 μg/m3 (42) 44.0
 
April 5, 2021, 11 p.m. N/A N/A N/A 28.0 ppb (27) N/A N/A N/A 0.42 ppb (5) 23.6 μg/m3 (22) 9.4 μg/m3 (40) 40.0
 
April 5, 2021, 10 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.3 ppb (4) 21.6 μg/m3 (20) 9.6 μg/m3 (40) 40.0
 
April 5, 2021, 9 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.31 ppb (4) 22.3 μg/m3 (21) 9.2 μg/m3 (39) 39.0
 
April 5, 2021, 8 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.31 ppb (4) 26.7 μg/m3 (25) 9.9 μg/m3 (42) 42.0
 
April 5, 2021, 7 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.36 ppb (5) 25.6 μg/m3 (24) 10.2 μg/m3 (43) 43.0
 
April 5, 2021, 6 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.35 ppb (4) 27.2 μg/m3 (26) 10.8 μg/m3 (46) 46.0
 
April 5, 2021, 5 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.3 ppb (4) 29.7 μg/m3 (28) 11.3 μg/m3 (48) 48.0
 
April 5, 2021, 4 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.36 ppb (5) 30.2 μg/m3 (28) 11.9 μg/m3 (50) 50.0
 
April 5, 2021, 3 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.32 ppb (4) 39.1 μg/m3 (37) 13.6 μg/m3 (55) 55.0
 
April 5, 2021, 2 p.m. N/A N/A N/A 34.0 ppb (33) N/A N/A N/A 0.52 ppb (6) 54.9 μg/m3 (51) 18.1 μg/m3 (64) 64.0
 
April 5, 2021, 1 p.m. N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 0.71 ppb (8) 63.7 μg/m3 (56) 19.7 μg/m3 (67) 67.0
 
April 5, 2021, noon N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 0.81 ppb (10) 66.0 μg/m3 (57) 19.3 μg/m3 (67) 67.0
 
April 5, 2021, 11 a.m. N/A N/A N/A 44.0 ppb (42) N/A N/A N/A 0.88 ppb (11) 78.6 μg/m3 (63) 21.0 μg/m3 (70) 70.0
 
April 5, 2021, 10 a.m. N/A N/A N/A 41.0 ppb (39) N/A N/A N/A 0.64 ppb (7) 44.9 μg/m3 (42) 17.3 μg/m3 (62) 62.0
 
April 5, 2021, 9 a.m. N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 0.67 ppb (8) 42.4 μg/m3 (40) 20.3 μg/m3 (69) 69.0
 
April 5, 2021, 8 a.m. N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 0.72 ppb (8) 46.7 μg/m3 (44) 26.8 μg/m3 (82) 82.0
 
April 5, 2021, 7 a.m. N/A N/A N/A 43.0 ppb (41) N/A N/A N/A 0.58 ppb (7) 39.8 μg/m3 (37) 23.9 μg/m3 (76) 76.0
 
April 5, 2021, 6 a.m. N/A N/A N/A 42.0 ppb (40) N/A N/A N/A 0.61 ppb (7) 41.4 μg/m3 (39) 25.1 μg/m3 (79) 79.0
 
April 5, 2021, 5 a.m. N/A N/A N/A 42.0 ppb (40) N/A N/A N/A 0.71 ppb (8) 35.0 μg/m3 (33) 21.1 μg/m3 (70) 70.0
 
April 5, 2021, 4 a.m. N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 0.6 ppb (7) 35.1 μg/m3 (33) 21.0 μg/m3 (70) 70.0
 
April 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.69 ppb (8) 41.0 μg/m3 (38) 26.4 μg/m3 (82) 82.0
 
April 5, 2021, 2 a.m. N/A N/A N/A 43.0 ppb (41) N/A N/A N/A 0.69 ppb (8) 46.9 μg/m3 (44) 30.4 μg/m3 (90) 90.0
 
April 5, 2021, 1 a.m. N/A N/A N/A 50.0 ppb (48) N/A N/A N/A 0.71 ppb (8) 42.5 μg/m3 (40) 27.2 μg/m3 (83) 83.0
 
April 5, 2021, midnight N/A N/A N/A 39.0 ppb (37) N/A N/A N/A 0.64 ppb (7) 40.4 μg/m3 (38) 25.0 μg/m3 (79) 79.0
 
April 4, 2021, 11 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.47 ppb (6) 35.5 μg/m3 (33) 22.6 μg/m3 (74) 74.0
 
April 4, 2021, 10 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.31 ppb (4) 31.5 μg/m3 (30) 21.8 μg/m3 (72) 72.0
 
April 4, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.25 ppb (3) 30.8 μg/m3 (29) 19.5 μg/m3 (67) 67.0
 
April 4, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (4) 30.4 μg/m3 (29) 19.3 μg/m3 (67) 67.0
 
April 4, 2021, 7 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.36 ppb (5) 34.4 μg/m3 (32) 22.2 μg/m3 (73) 73.0
 
April 4, 2021, 6 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.31 ppb (4) 31.8 μg/m3 (30) 21.0 μg/m3 (70) 70.0
 
April 4, 2021, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.25 ppb (3) 30.7 μg/m3 (29) 20.3 μg/m3 (69) 69.0
 
April 4, 2021, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.24 ppb (3) 22.1 μg/m3 (21) 13.8 μg/m3 (55) 55.0
 
April 4, 2021, 3 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.25 ppb (3) 18.9 μg/m3 (18) 10.3 μg/m3 (43) 43.0
 
April 4, 2021, 2 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.25 ppb (3) 17.1 μg/m3 (16) 8.2 μg/m3 (35) 35.0
 
April 4, 2021, 1 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.36 ppb (5) 20.8 μg/m3 (20) 8.9 μg/m3 (38) 38.0
 
April 4, 2021, noon N/A N/A N/A 24.0 ppb (23) N/A N/A N/A 0.45 ppb (6) 21.6 μg/m3 (20) 10.1 μg/m3 (43) 43.0
 
April 4, 2021, 11 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 0.43 ppb (5) 22.9 μg/m3 (22) 10.4 μg/m3 (44) 44.0
 
April 4, 2021, 10 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.47 ppb (6) 32.8 μg/m3 (31) 11.7 μg/m3 (49) 49.0
 
April 4, 2021, 9 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A N/A 0.5 ppb (6) 28.7 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
April 4, 2021, 8 a.m. N/A N/A N/A 39.0 ppb (37) N/A N/A N/A 0.55 ppb (7) 19.9 μg/m3 (19) 9.5 μg/m3 (40) 40.0
 
April 4, 2021, 7 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.6 ppb (7) 17.0 μg/m3 (16) 7.8 μg/m3 (33) 33.0
 
April 4, 2021, 6 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 0.43 ppb (5) 16.2 μg/m3 (15) 7.8 μg/m3 (33) 33.0
 
April 4, 2021, 5 a.m. N/A N/A N/A 23.0 ppb (22) N/A N/A N/A 0.41 ppb (5) 17.0 μg/m3 (16) 8.1 μg/m3 (34) 34.0
 
April 4, 2021, 4 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.45 ppb (6) 15.3 μg/m3 (15) 7.4 μg/m3 (31) 31.0
 
April 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.47 ppb (6) 13.5 μg/m3 (13) 6.6 μg/m3 (28) 28.0