ID: 1849

AQSQID: 211110067

Site Name: Cannons Lane

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

Updated: March 7, 2021, 11:32 p.m.

Location: Louisville (Bowman), KY

Reporting: True, Located: True

Current AQI: 44.0

Louisville (Bowman) KY, US: 38.2286, -85.6544

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 28, 2021, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 20.0 ppb (19) 0.03 ppb (0) 11.9 μg/m3 (12) 7.9 μg/m3 (33) 33.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (23) 0.01 ppb (0) 10.5 μg/m3 (10) 6.6 μg/m3 (28) 28.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 23.0 ppb (22) 0.02 ppb (0) 8.5 μg/m3 (8) 5.7 μg/m3 (24) 24.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 22.0 ppb (21) 0.03 ppb (0) 8.3 μg/m3 (8) 4.9 μg/m3 (21) 21.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (18) 0.0 ppb (0) 6.9 μg/m3 (7) 4.1 μg/m3 (18) 18.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) 7.6 μg/m3 (8) 4.4 μg/m3 (19) 19.0
 
Feb. 28, 2021, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (16) 0.01 ppb (0) 10.4 μg/m3 (10) 6.5 μg/m3 (28) 28.0
 
Feb. 28, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) 12.1 μg/m3 (12) 7.3 μg/m3 (31) 31.0
 
Feb. 28, 2021, 2 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 13.0 ppb (13) 0.05 ppb (2) 9.5 μg/m3 (9) 5.3 μg/m3 (23) 23.0
 
Feb. 28, 2021, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (17) 0.03 ppb (0) 4.4 μg/m3 (5) 2.1 μg/m3 (9) 17.0
 
Feb. 28, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (16) 0.05 ppb (2) 3.6 μg/m3 (4) 2.1 μg/m3 (9) 16.0
 
Feb. 28, 2021, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (13) 0.04 ppb (0) 3.4 μg/m3 (4) 1.8 μg/m3 (8) 13.0
 
Feb. 28, 2021, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 14.0 ppb (13) 0.04 ppb (0) 4.2 μg/m3 (4) 2.3 μg/m3 (10) 13.0
 
Feb. 28, 2021, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 15.0 ppb (14) 0.03 ppb (0) 3.6 μg/m3 (4) 2.5 μg/m3 (11) 14.0
 
Feb. 28, 2021, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 14.0 ppb (13) 0.05 ppb (2) 6.4 μg/m3 (6) 4.1 μg/m3 (18) 18.0
 
Feb. 28, 2021, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 15.0 ppb (14) 0.08 ppb (2) 8.6 μg/m3 (8) 6.1 μg/m3 (26) 26.0
 
Feb. 28, 2021, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 15.0 ppb (14) 0.07 ppb (2) 10.4 μg/m3 (10) 7.2 μg/m3 (31) 31.0
 
Feb. 28, 2021, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 15.0 ppb (14) 0.11 ppb (2) 12.3 μg/m3 (12) 9.6 μg/m3 (40) 40.0
 
Feb. 28, 2021, 4 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 16.0 ppb (15) N/A 14.3 μg/m3 (14) 10.8 μg/m3 (46) 46.0
 
Feb. 28, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A 11.7 μg/m3 (11) 9.5 μg/m3 (40) 40.0
 
Feb. 28, 2021, 2 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 13.8 μg/m3 (13) 10.6 μg/m3 (45) 45.0
 
Feb. 28, 2021, 1 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 13.9 μg/m3 (13) 10.7 μg/m3 (45) 45.0
 
Feb. 28, 2021, midnight N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 14.8 μg/m3 (14) 11.3 μg/m3 (48) 48.0
 
Feb. 27, 2021, 11 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 13.9 μg/m3 (13) 10.3 μg/m3 (43) 43.0
 
Feb. 27, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 13.2 μg/m3 (13) 9.8 μg/m3 (41) 41.0
 
Feb. 27, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 15.5 μg/m3 (15) 11.4 μg/m3 (48) 48.0
 
Feb. 27, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) N/A 15.4 μg/m3 (15) 12.1 μg/m3 (51) 51.0
 
Feb. 27, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) N/A 14.4 μg/m3 (14) 11.2 μg/m3 (47) 47.0
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 13.6 μg/m3 (13) 11.3 μg/m3 (48) 48.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 15.4 μg/m3 (15) 12.5 μg/m3 (52) 52.0
 
Feb. 27, 2021, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 15.7 μg/m3 (15) 12.5 μg/m3 (52) 52.0
 
Feb. 27, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 14.7 μg/m3 (14) 11.6 μg/m3 (49) 49.0
 
Feb. 27, 2021, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (20) N/A 14.3 μg/m3 (14) 11.3 μg/m3 (48) 48.0
 
Feb. 27, 2021, 1 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 11.8 μg/m3 (11) 9.4 μg/m3 (40) 40.0
 
Feb. 27, 2021, noon N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 7.0 ppb (7) N/A 13.5 μg/m3 (13) 10.5 μg/m3 (44) 44.0
 
Feb. 27, 2021, 11 a.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 2.0 ppb (2) N/A 16.3 μg/m3 (16) 13.6 μg/m3 (55) 55.0
 
Feb. 27, 2021, 10 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 2.0 ppb (2) N/A 15.8 μg/m3 (15) 13.1 μg/m3 (54) 54.0
 
Feb. 27, 2021, 9 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 3.0 ppb (3) N/A 15.0 μg/m3 (14) 12.1 μg/m3 (51) 51.0
 
Feb. 27, 2021, 8 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 8.0 ppb (8) N/A 14.4 μg/m3 (14) 11.3 μg/m3 (48) 48.0
 
Feb. 27, 2021, 7 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 12.0 ppb (12) N/A 13.9 μg/m3 (13) 10.8 μg/m3 (46) 46.0
 
Feb. 27, 2021, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (15) N/A 13.3 μg/m3 (13) 10.6 μg/m3 (45) 45.0
 
Feb. 27, 2021, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (17) N/A 13.1 μg/m3 (13) 10.4 μg/m3 (44) 44.0
 
Feb. 27, 2021, 4 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (16) N/A 12.6 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Feb. 27, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.06 ppb (2) 12.1 μg/m3 (12) 9.6 μg/m3 (40) 40.0
 
Feb. 27, 2021, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (21) 0.05 ppb (2) 12.3 μg/m3 (12) 9.1 μg/m3 (38) 38.0
 
Feb. 27, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (23) 0.05 ppb (2) 11.5 μg/m3 (11) 8.8 μg/m3 (37) 37.0
 
Feb. 27, 2021, midnight N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (22) 0.07 ppb (2) 12.0 μg/m3 (12) 8.9 μg/m3 (38) 38.0
 
Feb. 26, 2021, 11 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (24) 0.08 ppb (2) 10.8 μg/m3 (10) 7.7 μg/m3 (33) 33.0
 
Feb. 26, 2021, 10 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 27.0 ppb (25) 0.08 ppb (2) 11.3 μg/m3 (11) 7.7 μg/m3 (33) 33.0
 
Feb. 26, 2021, 9 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 28.0 ppb (26) 0.08 ppb (2) 10.9 μg/m3 (11) 7.4 μg/m3 (31) 31.0
 
Feb. 26, 2021, 8 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 29.0 ppb (27) 0.07 ppb (2) 12.6 μg/m3 (12) 7.6 μg/m3 (32) 32.0
 
Feb. 26, 2021, 7 p.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 29.0 ppb (27) 0.09 ppb (2) 16.0 μg/m3 (15) 8.4 μg/m3 (36) 36.0
 
Feb. 26, 2021, 6 p.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 30.0 ppb (28) 0.08 ppb (2) 14.2 μg/m3 (14) 7.7 μg/m3 (33) 33.0
 
Feb. 26, 2021, 5 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 33.0 ppb (31) 0.06 ppb (2) 13.7 μg/m3 (13) 7.3 μg/m3 (31) 31.0
 
Feb. 26, 2021, 4 p.m. N/A N/A N/A 8.0 ppb (8) N/A 2.0 ppb (3) 32.0 ppb (30) 0.07 ppb (2) 12.9 μg/m3 (12) 7.1 μg/m3 (30) 30.0
 
Feb. 26, 2021, 3 p.m. N/A N/A N/A 8.0 ppb (8) N/A 3.0 ppb (5) 33.0 ppb (31) 0.08 ppb (2) 14.0 μg/m3 (13) 6.8 μg/m3 (29) 31.0
 
Feb. 26, 2021, 2 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (32) 0.08 ppb (2) 11.6 μg/m3 (11) 6.6 μg/m3 (28) 32.0
 
Feb. 26, 2021, 1 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 32.0 ppb (30) 0.09 ppb (2) 11.6 μg/m3 (11) 7.2 μg/m3 (31) 31.0
 
Feb. 26, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (31) 0.07 ppb (2) 11.0 μg/m3 (11) 7.0 μg/m3 (30) 31.0
 
Feb. 26, 2021, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (34) 0.06 ppb (2) 10.2 μg/m3 (10) 7.5 μg/m3 (32) 34.0
 
Feb. 26, 2021, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (31) 0.07 ppb (2) 9.3 μg/m3 (9) 6.7 μg/m3 (28) 31.0
 
Feb. 26, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (30) 0.09 ppb (2) 9.0 μg/m3 (9) 5.8 μg/m3 (25) 30.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.1 ppb (2) 9.2 μg/m3 (9) 5.6 μg/m3 (24) 29.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (28) 0.12 ppb (2) 8.6 μg/m3 (8) 5.7 μg/m3 (24) 28.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 29.0 ppb (27) 0.11 ppb (2) 9.1 μg/m3 (9) 5.8 μg/m3 (25) 27.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 30.0 ppb (28) 0.12 ppb (2) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 28.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 27.0 ppb (25) 0.13 ppb (2) 10.2 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.12 ppb (2) 8.6 μg/m3 (8) 5.1 μg/m3 (22) 31.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) 0.12 ppb (2) 8.4 μg/m3 (8) 4.5 μg/m3 (19) 34.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (35) 0.12 ppb (2) 7.8 μg/m3 (8) 4.3 μg/m3 (18) 35.0
 
Feb. 26, 2021, midnight N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 37.0 ppb (35) 0.14 ppb (2) 10.7 μg/m3 (10) 4.3 μg/m3 (18) 35.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (38) 0.14 ppb (2) 8.8 μg/m3 (9) 4.0 μg/m3 (17) 38.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.13 ppb (2) 10.3 μg/m3 (10) 3.6 μg/m3 (16) 39.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (39) 0.15 ppb (2) 8.3 μg/m3 (8) 3.4 μg/m3 (15) 39.0
 
Feb. 25, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.18 ppb (3) 10.8 μg/m3 (10) 3.5 μg/m3 (15) 40.0
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.15 ppb (2) 9.2 μg/m3 (9) 4.4 μg/m3 (19) 38.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 38.0 ppb (36) 0.18 ppb (3) 8.2 μg/m3 (8) 4.3 μg/m3 (18) 36.0
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A 0.17 ppb (3) 8.9 μg/m3 (9) 4.8 μg/m3 (20) 20.0
 
Feb. 25, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A 0.13 ppb (2) 9.9 μg/m3 (10) 5.9 μg/m3 (25) 25.0
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A 0.07 ppb (2) 13.2 μg/m3 (13) 8.6 μg/m3 (36) 36.0
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.07 ppb (2) 17.2 μg/m3 (16) 12.9 μg/m3 (53) 53.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 22.0 ppb (21) 0.13 ppb (2) 27.3 μg/m3 (26) 20.5 μg/m3 (69) 69.0
 
Feb. 25, 2021, noon N/A N/A N/A 24.0 ppb (23) N/A 0.0 ppb (0) 11.0 ppb (11) 0.27 ppb (4) 33.3 μg/m3 (31) 27.4 μg/m3 (84) 84.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 23.0 ppb (22) 0.12 ppb (2) 29.7 μg/m3 (28) 26.5 μg/m3 (82) 82.0
 
Feb. 25, 2021, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (31) 0.08 ppb (2) 30.3 μg/m3 (29) 26.5 μg/m3 (82) 82.0
 
Feb. 25, 2021, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.07 ppb (2) 32.7 μg/m3 (31) 25.0 μg/m3 (79) 79.0
 
Feb. 25, 2021, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.08 ppb (2) 31.0 μg/m3 (29) 21.0 μg/m3 (70) 70.0
 
Feb. 25, 2021, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.08 ppb (2) 21.1 μg/m3 (20) 16.8 μg/m3 (61) 61.0
 
Feb. 25, 2021, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (39) 0.08 ppb (2) 22.6 μg/m3 (21) 17.7 μg/m3 (63) 63.0
 
Feb. 25, 2021, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.09 ppb (2) 25.5 μg/m3 (24) 18.4 μg/m3 (65) 65.0
 
Feb. 25, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.07 ppb (2) 21.6 μg/m3 (20) 13.9 μg/m3 (55) 55.0
 
Feb. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.06 ppb (2) 11.0 μg/m3 (11) 4.8 μg/m3 (20) 37.0
 
Feb. 25, 2021, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (35) 0.08 ppb (2) 9.6 μg/m3 (9) 4.1 μg/m3 (18) 35.0
 
Feb. 25, 2021, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (37) 0.07 ppb (2) 14.5 μg/m3 (14) 6.1 μg/m3 (26) 37.0
 
Feb. 25, 2021, midnight N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 41.0 ppb (38) 0.08 ppb (2) 20.2 μg/m3 (19) 8.3 μg/m3 (35) 38.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 40.0 ppb (38) 0.11 ppb (2) 24.0 μg/m3 (23) 10.2 μg/m3 (43) 43.0
 
Feb. 24, 2021, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 47.0 ppb (44) 0.12 ppb (2) 18.6 μg/m3 (18) 8.9 μg/m3 (38) 44.0
 
Feb. 24, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 51.0 ppb (48) 0.1 ppb (2) 17.7 μg/m3 (17) 7.5 μg/m3 (32) 48.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 54.0 ppb (50) 0.05 ppb (2) 17.8 μg/m3 (17) 7.0 μg/m3 (30) 50.0
 
Feb. 24, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 53.0 ppb (50) 0.05 ppb (2) 16.4 μg/m3 (16) 6.3 μg/m3 (27) 50.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 47.0 ppb (44) 0.06 ppb (2) 15.7 μg/m3 (15) 6.2 μg/m3 (26) 44.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 44.0 ppb (41) 0.06 ppb (2) 16.6 μg/m3 (16) 6.2 μg/m3 (26) 41.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 44.0 ppb (41) 0.07 ppb (2) 18.2 μg/m3 (17) 5.9 μg/m3 (25) 41.0
 
Feb. 24, 2021, 3 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 44.0 ppb (41) 0.07 ppb (2) 23.6 μg/m3 (22) 6.3 μg/m3 (27) 41.0
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A 10.0 ppb (10) N/A 2.0 ppb (3) 37.0 ppb (35) 0.08 ppb (2) 22.3 μg/m3 (21) 5.5 μg/m3 (23) 35.0
 
Feb. 24, 2021, 1 p.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (5) 25.0 ppb (24) 0.14 ppb (2) 20.8 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Feb. 24, 2021, noon N/A N/A N/A 25.0 ppb (24) N/A 5.0 ppb (8) 15.0 ppb (14) 0.16 ppb (3) 18.3 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A 5.0 ppb (8) 20.0 ppb (19) 0.13 ppb (2) 17.7 μg/m3 (17) 5.8 μg/m3 (25) 25.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A 21.0 ppb (20) N/A 2.0 ppb (3) 16.0 ppb (15) 0.15 ppb (2) 16.4 μg/m3 (16) 5.6 μg/m3 (24) 24.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A 25.0 ppb (24) N/A 0.0 ppb (0) 12.0 ppb (12) 0.18 ppb (3) 18.1 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 4.0 ppb (4) 0.34 ppb (4) 21.8 μg/m3 (21) 7.5 μg/m3 (32) 33.0
 
Feb. 24, 2021, 7 a.m. N/A N/A N/A 39.0 ppb (37) N/A 1.0 ppb (2) 1.0 ppb (1) 0.53 ppb (6) 23.2 μg/m3 (22) 9.3 μg/m3 (39) 39.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A 38.0 ppb (36) N/A 1.0 ppb (2) 2.0 ppb (2) 0.64 ppb (7) 20.5 μg/m3 (19) 9.4 μg/m3 (40) 40.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A 37.0 ppb (35) N/A 1.0 ppb (2) 1.0 ppb (1) 0.82 ppb (10) 23.8 μg/m3 (23) 10.7 μg/m3 (45) 45.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A 36.0 ppb (34) N/A 1.0 ppb (2) 1.0 ppb (1) 0.93 ppb (11) 28.8 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 1.0 ppb (1) 0.91 ppb (11) 30.5 μg/m3 (29) 10.7 μg/m3 (45) 45.0
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A 42.0 ppb (40) N/A 1.0 ppb (2) 1.0 ppb (1) 0.92 ppb (11) 30.4 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) 7.0 ppb (7) 0.52 ppb (6) 19.7 μg/m3 (19) 5.9 μg/m3 (25) 35.0
 
Feb. 24, 2021, midnight N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 26.0 ppb (25) 0.43 ppb (5) 15.0 μg/m3 (14) 4.6 μg/m3 (20) 25.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (40) 0.41 ppb (5) 9.7 μg/m3 (9) 2.6 μg/m3 (11) 40.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 48.0 ppb (45) 0.18 ppb (3) 7.4 μg/m3 (7) 1.7 μg/m3 (8) 45.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 48.0 ppb (45) 0.16 ppb (3) 8.3 μg/m3 (8) 1.8 μg/m3 (8) 45.0
 
Feb. 23, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (45) 0.13 ppb (2) 8.5 μg/m3 (8) 2.0 μg/m3 (9) 45.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 47.0 ppb (44) 0.1 ppb (2) 9.9 μg/m3 (10) 2.3 μg/m3 (10) 44.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 45.0 ppb (42) 0.13 ppb (2) 12.8 μg/m3 (12) 3.2 μg/m3 (14) 42.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 42.0 ppb (39) 0.11 ppb (2) 17.5 μg/m3 (17) 3.8 μg/m3 (16) 39.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 38.0 ppb (36) N/A 20.7 μg/m3 (20) 4.1 μg/m3 (18) 36.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 36.0 ppb (34) 0.1 ppb (2) 16.5 μg/m3 (16) 4.2 μg/m3 (18) 34.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A 7.0 ppb (7) N/A 2.0 ppb (3) 34.0 ppb (32) 0.1 ppb (2) 13.3 μg/m3 (13) 4.7 μg/m3 (20) 32.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 24.0 ppb (23) 0.15 ppb (2) 14.3 μg/m3 (14) 5.2 μg/m3 (22) 23.0
 
Feb. 23, 2021, noon N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 18.0 ppb (17) 0.17 ppb (3) 12.6 μg/m3 (12) 4.7 μg/m3 (20) 22.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 25.0 ppb (24) 0.11 ppb (2) 9.8 μg/m3 (10) 4.3 μg/m3 (18) 24.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 24.0 ppb (23) 0.13 ppb (2) 9.7 μg/m3 (9) 4.2 μg/m3 (18) 23.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 31.0 ppb (29) 0.09 ppb (2) 7.3 μg/m3 (7) 3.8 μg/m3 (16) 29.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 32.0 ppb (30) 0.09 ppb (2) 7.4 μg/m3 (7) 3.7 μg/m3 (16) 30.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 36.0 ppb (34) 0.08 ppb (2) 7.0 μg/m3 (7) 3.7 μg/m3 (16) 34.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 34.0 ppb (32) 0.1 ppb (2) 9.3 μg/m3 (9) 4.1 μg/m3 (18) 32.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (35) 0.09 ppb (2) 9.5 μg/m3 (9) 4.6 μg/m3 (20) 35.0
 
Feb. 23, 2021, 4 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 29.0 ppb (27) 0.21 ppb (3) 13.6 μg/m3 (13) 8.8 μg/m3 (37) 37.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 4.0 ppb (4) 0.31 ppb (4) 24.1 μg/m3 (23) 18.6 μg/m3 (65) 65.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A 38.0 ppb (36) N/A 2.0 ppb (3) 6.0 ppb (6) 0.33 ppb (4) 29.3 μg/m3 (28) 22.2 μg/m3 (73) 73.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A 41.0 ppb (39) N/A 0.0 ppb (0) 5.0 ppb (5) 0.36 ppb (5) 28.5 μg/m3 (27) 21.3 μg/m3 (71) 71.0
 
Feb. 23, 2021, midnight N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) 12.0 ppb (12) 0.31 ppb (4) 26.8 μg/m3 (25) 19.3 μg/m3 (67) 67.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 36.0 ppb (34) 0.16 ppb (3) 22.2 μg/m3 (21) 17.6 μg/m3 (63) 63.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 44.0 ppb (41) 0.12 ppb (2) 20.7 μg/m3 (20) 17.7 μg/m3 (63) 63.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 44.0 ppb (41) 0.13 ppb (2) 20.8 μg/m3 (20) 17.7 μg/m3 (63) 63.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (43) 0.1 ppb (2) 19.9 μg/m3 (19) 17.1 μg/m3 (62) 62.0
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (44) 0.09 ppb (2) 19.1 μg/m3 (18) 16.0 μg/m3 (60) 60.0
 
Feb. 22, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (42) 0.09 ppb (2) 19.3 μg/m3 (18) 16.2 μg/m3 (60) 60.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) 0.09 ppb (2) 18.8 μg/m3 (18) 16.7 μg/m3 (61) 61.0
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) 0.09 ppb (2) 18.7 μg/m3 (18) 16.6 μg/m3 (61) 61.0
 
Feb. 22, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) 0.08 ppb (2) 16.9 μg/m3 (16) 14.7 μg/m3 (57) 57.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.07 ppb (2) 18.3 μg/m3 (17) 15.4 μg/m3 (58) 58.0
 
Feb. 22, 2021, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) 0.07 ppb (2) 17.7 μg/m3 (17) 15.1 μg/m3 (58) 58.0
 
Feb. 22, 2021, noon N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) 0.09 ppb (2) 14.1 μg/m3 (14) 11.3 μg/m3 (48) 48.0
 
Feb. 22, 2021, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.06 ppb (2) 10.4 μg/m3 (10) 7.7 μg/m3 (33) 36.0
 
Feb. 22, 2021, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (37) 0.05 ppb (2) 10.9 μg/m3 (11) 6.4 μg/m3 (27) 37.0
 
Feb. 22, 2021, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) 0.05 ppb (2) 9.3 μg/m3 (9) 5.8 μg/m3 (25) 40.0
 
Feb. 22, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) 0.06 ppb (2) 9.7 μg/m3 (9) 5.5 μg/m3 (23) 42.0
 
Feb. 22, 2021, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) 0.08 ppb (2) 9.6 μg/m3 (9) 5.5 μg/m3 (23) 43.0
 
Feb. 22, 2021, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) 0.08 ppb (2) 10.9 μg/m3 (11) 6.0 μg/m3 (25) 43.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 45.0 ppb (42) 0.11 ppb (2) 9.8 μg/m3 (10) 5.8 μg/m3 (25) 42.0
 
Feb. 22, 2021, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (42) 0.1 ppb (2) 10.0 μg/m3 (10) 5.4 μg/m3 (23) 42.0
 
Feb. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.1 ppb (2) 8.6 μg/m3 (8) 5.4 μg/m3 (23) 41.0
 
Feb. 22, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (42) N/A 9.7 μg/m3 (9) 5.4 μg/m3 (23) 42.0
 
Feb. 22, 2021, 1 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 39.0 ppb (37) 0.14 ppb (2) 12.5 μg/m3 (12) 7.0 μg/m3 (30) 37.0
 
Feb. 22, 2021, midnight N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) 15.3 μg/m3 (15) 8.5 μg/m3 (36) 36.0
 
Feb. 21, 2021, 11 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 43.0 ppb (40) 0.14 ppb (2) 13.7 μg/m3 (13) 7.7 μg/m3 (33) 40.0