ID: 1849

AQSQID: 211110067

Site Name: Cannons Lane

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

Updated: April 22, 2021, 9:43 a.m.

Location: Louisville (Bowman), KY

Reporting: True, Located: True

Current AQI: 54.0

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
April 22, 2021, 8 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 9.0 ppb (9) 0.16 ppb (3) 19.4 μg/m3 (18) 13.4 μg/m3 (54) 54.0
 
April 22, 2021, 7 a.m. N/A N/A N/A 26.0 ppb (25) N/A 1.0 ppb (2) 1.0 ppb (1) 0.27 ppb (4) 23.3 μg/m3 (22) 14.1 μg/m3 (56) 56.0
 
April 22, 2021, 6 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 5.0 ppb (5) 0.25 ppb (3) 18.6 μg/m3 (18) 12.6 μg/m3 (53) 53.0
 
April 22, 2021, 5 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 3.0 ppb (3) 0.34 ppb (4) 18.3 μg/m3 (17) 13.0 μg/m3 (53) 53.0
 
April 22, 2021, 4 a.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 0.0 ppb (0) 0.36 ppb (5) 19.0 μg/m3 (18) 12.1 μg/m3 (51) 51.0
 
April 22, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 1.0 ppb (1) 0.34 ppb (4) 18.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
April 22, 2021, 2 a.m. N/A N/A N/A 26.0 ppb (25) N/A 1.0 ppb (2) 5.0 ppb (5) 0.29 ppb (4) 17.3 μg/m3 (17) 9.8 μg/m3 (41) 41.0
 
April 22, 2021, 1 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 22.0 ppb (21) 0.18 ppb (3) 15.5 μg/m3 (15) 8.9 μg/m3 (38) 38.0
 
April 22, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) 0.17 ppb (3) 14.7 μg/m3 (14) 7.8 μg/m3 (33) 35.0
 
April 21, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 43.0 ppb (40) 0.11 ppb (2) 16.8 μg/m3 (16) 7.2 μg/m3 (31) 40.0
 
April 21, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 43.0 ppb (40) 0.15 ppb (2) 16.9 μg/m3 (16) 8.1 μg/m3 (34) 40.0
 
April 21, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 42.0 ppb (39) 0.1 ppb (2) 16.0 μg/m3 (15) 8.1 μg/m3 (34) 39.0
 
April 21, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 40.0 ppb (38) 0.12 ppb (2) 14.8 μg/m3 (14) 8.7 μg/m3 (37) 38.0
 
April 21, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 39.0 ppb (37) 0.12 ppb (2) 12.4 μg/m3 (12) 7.7 μg/m3 (33) 37.0
 
April 21, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 40.0 ppb (38) 0.14 ppb (2) 11.7 μg/m3 (11) 7.9 μg/m3 (33) 38.0
 
April 21, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 41.0 ppb (38) 0.15 ppb (2) 12.3 μg/m3 (12) 8.3 μg/m3 (35) 38.0
 
April 21, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 39.0 ppb (37) 0.16 ppb (3) 13.8 μg/m3 (13) 9.2 μg/m3 (39) 39.0
 
April 21, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) N/A 0.54 ppb (6) 13.4 μg/m3 (13) 9.2 μg/m3 (39) 39.0
 
April 21, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A 0.18 ppb (3) 13.2 μg/m3 (13) 8.6 μg/m3 (36) 36.0
 
April 21, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A 0.12 ppb (2) 10.5 μg/m3 (10) 7.1 μg/m3 (30) 30.0
 
April 21, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A 0.1 ppb (2) 9.4 μg/m3 (9) 7.2 μg/m3 (31) 31.0
 
April 21, 2021, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 34.0 ppb (32) 0.11 ppb (2) 8.5 μg/m3 (8) 6.5 μg/m3 (28) 32.0
 
April 21, 2021, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 32.0 ppb (30) 0.12 ppb (2) 8.1 μg/m3 (8) 5.9 μg/m3 (25) 30.0
 
April 21, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 33.0 ppb (31) 0.09 ppb (2) 6.7 μg/m3 (7) 4.9 μg/m3 (21) 31.0
 
April 21, 2021, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) 0.1 ppb (2) 5.8 μg/m3 (6) 4.6 μg/m3 (20) 26.0
 
April 21, 2021, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 27.0 ppb (25) 0.1 ppb (2) 4.5 μg/m3 (5) 4.0 μg/m3 (17) 25.0
 
April 21, 2021, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 23.0 ppb (22) 0.12 ppb (2) 4.4 μg/m3 (5) 4.0 μg/m3 (17) 22.0
 
April 21, 2021, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 20.0 ppb (19) 0.13 ppb (2) 2.4 μg/m3 (3) 2.7 μg/m3 (12) 19.0
 
April 21, 2021, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 20.0 ppb (19) 0.12 ppb (2) 4.3 μg/m3 (4) 3.8 μg/m3 (16) 19.0
 
April 21, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) 0.11 ppb (2) 9.3 μg/m3 (9) 6.4 μg/m3 (27) 27.0
 
April 21, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 26.0 ppb (25) 0.1 ppb (2) 9.5 μg/m3 (9) 6.7 μg/m3 (28) 28.0
 
April 21, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 22.0 ppb (21) 0.09 ppb (2) 15.7 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
April 21, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 23.0 ppb (22) 0.1 ppb (2) 32.3 μg/m3 (30) 15.8 μg/m3 (59) 59.0
 
April 20, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 2.0 ppb (3) 33.0 ppb (31) 0.09 ppb (2) 38.6 μg/m3 (36) 13.6 μg/m3 (55) 55.0
 
April 20, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 51.0 ppb (48) 0.09 ppb (2) 23.1 μg/m3 (22) 9.1 μg/m3 (38) 48.0
 
April 20, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 2.0 ppb (3) 51.0 ppb (48) 0.09 ppb (2) 18.3 μg/m3 (17) 7.5 μg/m3 (32) 48.0
 
April 20, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 50.0 ppb (47) 0.08 ppb (2) 18.3 μg/m3 (17) 6.6 μg/m3 (28) 47.0
 
April 20, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 50.0 ppb (47) 0.12 ppb (2) 17.6 μg/m3 (17) 6.8 μg/m3 (29) 47.0
 
April 20, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 50.0 ppb (47) 0.32 ppb (4) 23.8 μg/m3 (23) 7.9 μg/m3 (33) 47.0
 
April 20, 2021, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 2.0 ppb (3) 42.0 ppb (39) 0.1 ppb (2) 27.5 μg/m3 (26) 10.6 μg/m3 (45) 45.0
 
April 20, 2021, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 35.0 ppb (33) 0.13 ppb (2) 26.2 μg/m3 (25) 13.8 μg/m3 (55) 55.0
 
April 20, 2021, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 31.0 ppb (29) 0.12 ppb (2) 23.0 μg/m3 (22) 14.1 μg/m3 (56) 56.0
 
April 20, 2021, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 2.0 ppb (3) 27.0 ppb (25) 0.19 ppb (3) 30.6 μg/m3 (29) 14.0 μg/m3 (55) 55.0
 
April 20, 2021, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 25.0 ppb (24) 0.17 ppb (3) 18.9 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
April 20, 2021, noon N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 19.0 ppb (18) 0.15 ppb (2) 19.4 μg/m3 (18) 10.9 μg/m3 (46) 46.0
 
April 20, 2021, 11 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 6.0 ppb (6) 0.24 ppb (3) 17.3 μg/m3 (17) 10.4 μg/m3 (44) 44.0
 
April 20, 2021, 10 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 16.0 ppb (15) 0.16 ppb (3) 16.1 μg/m3 (15) 10.4 μg/m3 (44) 44.0
 
April 20, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 24.0 ppb (23) 0.09 ppb (2) 15.1 μg/m3 (14) 10.3 μg/m3 (43) 43.0
 
April 20, 2021, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) 0.09 ppb (2) 16.8 μg/m3 (16) 11.4 μg/m3 (48) 48.0
 
April 20, 2021, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 24.0 ppb (23) 0.09 ppb (2) 19.3 μg/m3 (18) 11.7 μg/m3 (49) 49.0
 
April 20, 2021, 6 a.m. N/A N/A N/A 10.0 ppb (10) N/A 2.0 ppb (3) 21.0 ppb (20) 0.16 ppb (3) 22.1 μg/m3 (21) 10.8 μg/m3 (46) 46.0
 
April 20, 2021, 5 a.m. N/A N/A N/A 30.0 ppb (29) N/A 2.0 ppb (3) 1.0 ppb (1) 0.34 ppb (4) 25.6 μg/m3 (24) 13.6 μg/m3 (55) 55.0
 
April 20, 2021, 4 a.m. N/A N/A N/A 33.0 ppb (32) N/A 2.0 ppb (3) 1.0 ppb (1) 0.38 ppb (5) 24.0 μg/m3 (23) 14.6 μg/m3 (57) 57.0
 
April 20, 2021, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 4.0 ppb (4) 0.38 ppb (5) 22.8 μg/m3 (22) 13.1 μg/m3 (54) 54.0
 
April 20, 2021, 2 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 13.0 ppb (13) 0.25 ppb (3) 22.2 μg/m3 (21) 10.3 μg/m3 (43) 43.0
 
April 20, 2021, 1 a.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 27.0 ppb (25) 0.17 ppb (3) 17.4 μg/m3 (17) 8.6 μg/m3 (36) 36.0
 
April 20, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 47.0 ppb (44) 0.08 ppb (2) 16.4 μg/m3 (16) 8.1 μg/m3 (34) 44.0
 
April 19, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 50.0 ppb (47) 0.07 ppb (2) 15.4 μg/m3 (15) 7.5 μg/m3 (32) 47.0
 
April 19, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 51.0 ppb (48) 0.07 ppb (2) 15.5 μg/m3 (15) 6.8 μg/m3 (29) 48.0
 
April 19, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 53.0 ppb (50) 0.08 ppb (2) 19.5 μg/m3 (19) 8.0 μg/m3 (34) 50.0
 
April 19, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 51.0 ppb (48) 0.09 ppb (2) 19.0 μg/m3 (18) 6.9 μg/m3 (29) 48.0
 
April 19, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 49.0 ppb (46) 0.07 ppb (2) 14.2 μg/m3 (14) 6.1 μg/m3 (26) 46.0
 
April 19, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 49.0 ppb (46) 0.1 ppb (2) 17.4 μg/m3 (17) 6.5 μg/m3 (28) 46.0
 
April 19, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 2.0 ppb (3) 48.0 ppb (45) 0.11 ppb (2) 20.8 μg/m3 (20) 8.4 μg/m3 (36) 45.0
 
April 19, 2021, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 42.0 ppb (39) 0.14 ppb (2) 24.0 μg/m3 (23) 12.6 μg/m3 (53) 53.0
 
April 19, 2021, 3 p.m. N/A N/A N/A 7.0 ppb (7) N/A 2.0 ppb (3) 35.0 ppb (33) 0.18 ppb (3) 27.5 μg/m3 (26) 16.3 μg/m3 (60) 60.0
 
April 19, 2021, 2 p.m. N/A N/A N/A 7.0 ppb (7) N/A 2.0 ppb (3) N/A 0.18 ppb (3) 24.9 μg/m3 (24) 17.1 μg/m3 (62) 62.0
 
April 19, 2021, 1 p.m. N/A N/A N/A 9.0 ppb (9) N/A 2.0 ppb (3) 28.0 ppb (26) 0.14 ppb (2) 31.5 μg/m3 (30) 17.8 μg/m3 (63) 63.0
 
April 19, 2021, noon N/A N/A N/A 24.0 ppb (23) N/A 2.0 ppb (3) N/A 0.32 ppb (4) 37.8 μg/m3 (35) 18.8 μg/m3 (66) 66.0
 
April 19, 2021, 11 a.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 0.0 ppb (0) 0.55 ppb (7) 28.5 μg/m3 (27) 17.8 μg/m3 (63) 63.0
 
April 19, 2021, 10 a.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 0.0 ppb (0) 0.37 ppb (5) 20.5 μg/m3 (19) 14.7 μg/m3 (57) 57.0
 
April 19, 2021, 9 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 11.0 ppb (11) 0.12 ppb (2) 16.9 μg/m3 (16) 12.8 μg/m3 (53) 53.0
 
April 19, 2021, 8 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 15.0 ppb (14) 0.13 ppb (2) 16.8 μg/m3 (16) 12.2 μg/m3 (52) 52.0
 
April 19, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 31.0 ppb (29) 0.09 ppb (2) 15.8 μg/m3 (15) 11.8 μg/m3 (50) 50.0
 
April 19, 2021, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 33.0 ppb (31) 0.08 ppb (2) 17.2 μg/m3 (16) 11.9 μg/m3 (50) 50.0
 
April 19, 2021, 5 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 32.0 ppb (30) 0.11 ppb (2) 15.5 μg/m3 (15) 10.2 μg/m3 (43) 43.0
 
April 19, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 39.0 ppb (37) 0.08 ppb (2) 14.5 μg/m3 (14) 9.5 μg/m3 (40) 40.0
 
April 19, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 42.0 ppb (39) 0.06 ppb (2) 15.0 μg/m3 (14) 10.3 μg/m3 (43) 43.0
 
April 19, 2021, 2 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 34.0 ppb (32) 0.12 ppb (2) 20.2 μg/m3 (19) 12.5 μg/m3 (52) 52.0
 
April 19, 2021, 1 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 29.0 ppb (27) 0.19 ppb (3) 20.6 μg/m3 (20) 12.2 μg/m3 (52) 52.0
 
April 19, 2021, midnight N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 35.0 ppb (33) 0.23 ppb (3) 17.4 μg/m3 (17) 9.9 μg/m3 (42) 42.0
 
April 18, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 43.0 ppb (40) 0.11 ppb (2) 17.6 μg/m3 (17) 9.1 μg/m3 (38) 40.0
 
April 18, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 45.0 ppb (42) 0.09 ppb (2) 17.2 μg/m3 (16) 8.9 μg/m3 (38) 42.0
 
April 18, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 46.0 ppb (43) 0.1 ppb (2) 18.6 μg/m3 (18) 9.0 μg/m3 (38) 43.0
 
April 18, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 45.0 ppb (42) 0.09 ppb (2) 17.8 μg/m3 (17) 9.2 μg/m3 (39) 42.0
 
April 18, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 47.0 ppb (44) 0.08 ppb (2) 19.2 μg/m3 (18) 9.1 μg/m3 (38) 44.0
 
April 18, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 2.0 ppb (3) 49.0 ppb (46) 0.09 ppb (2) 19.6 μg/m3 (19) 9.2 μg/m3 (39) 46.0
 
April 18, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 47.0 ppb (44) 0.1 ppb (2) 20.2 μg/m3 (19) 10.1 μg/m3 (43) 44.0
 
April 18, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 45.0 ppb (42) 0.13 ppb (2) 19.7 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
April 18, 2021, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 38.0 ppb (36) 0.14 ppb (2) 18.5 μg/m3 (18) 9.6 μg/m3 (40) 40.0
 
April 18, 2021, 2 p.m. N/A N/A N/A 8.0 ppb (8) N/A 2.0 ppb (3) 28.0 ppb (26) 0.16 ppb (3) 21.8 μg/m3 (21) 13.3 μg/m3 (54) 54.0
 
April 18, 2021, 1 p.m. N/A N/A N/A 15.0 ppb (15) N/A 2.0 ppb (3) 17.0 ppb (16) 0.3 ppb (4) 26.8 μg/m3 (25) 19.3 μg/m3 (67) 67.0
 
April 18, 2021, noon N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 2.0 ppb (2) 0.85 ppb (10) 35.8 μg/m3 (34) 26.8 μg/m3 (82) 82.0
 
April 18, 2021, 11 a.m. N/A N/A N/A 10.0 ppb (10) N/A 2.0 ppb (3) 0.0 ppb (0) 0.83 ppb (10) 36.3 μg/m3 (34) 29.7 μg/m3 (89) 89.0
 
April 18, 2021, 10 a.m. N/A N/A N/A 11.0 ppb (11) N/A 2.0 ppb (3) 0.0 ppb (0) 0.73 ppb (8) 39.3 μg/m3 (37) 33.1 μg/m3 (96) 96.0
 
April 18, 2021, 9 a.m. N/A N/A N/A 11.0 ppb (11) N/A 2.0 ppb (3) 0.0 ppb (0) 0.76 ppb (10) 40.4 μg/m3 (38) 34.4 μg/m3 (98) 98.0
 
April 18, 2021, 8 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 0.0 ppb (0) 0.84 ppb (10) 50.3 μg/m3 (47) 42.6 μg/m3 (119) 119.0
 
April 18, 2021, 7 a.m. N/A N/A N/A 15.0 ppb (15) N/A 2.0 ppb (3) 0.0 ppb (0) 0.84 ppb (10) 52.3 μg/m3 (49) 44.5 μg/m3 (124) 124.0
 
April 18, 2021, 6 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 0.0 ppb (0) 0.73 ppb (8) 49.8 μg/m3 (47) 41.5 μg/m3 (116) 116.0
 
April 18, 2021, 5 a.m. N/A N/A N/A 22.0 ppb (21) N/A 2.0 ppb (3) 0.0 ppb (0) 0.67 ppb (8) 51.7 μg/m3 (48) 41.0 μg/m3 (115) 115.0
 
April 18, 2021, 4 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 1.0 ppb (1) 0.56 ppb (7) 45.2 μg/m3 (42) 36.1 μg/m3 (103) 103.0
 
April 18, 2021, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 2.0 ppb (2) 0.58 ppb (7) 47.9 μg/m3 (45) 38.2 μg/m3 (108) 108.0
 
April 18, 2021, 2 a.m. N/A N/A N/A 32.0 ppb (31) N/A 2.0 ppb (3) 3.0 ppb (3) 0.74 ppb (8) 56.2 μg/m3 (52) 44.9 μg/m3 (125) 125.0
 
April 18, 2021, 1 a.m. N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 8.0 ppb (8) 0.51 ppb (6) 39.4 μg/m3 (37) 30.4 μg/m3 (90) 90.0
 
April 18, 2021, midnight N/A N/A N/A 9.0 ppb (9) N/A 2.0 ppb (3) 29.0 ppb (27) 0.21 ppb (3) 18.9 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
April 17, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 37.0 ppb (35) 0.09 ppb (2) 15.3 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
April 17, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 35.0 ppb (33) 0.08 ppb (2) 16.7 μg/m3 (16) 10.2 μg/m3 (43) 43.0
 
April 17, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 2.0 ppb (3) 31.0 ppb (29) 0.12 ppb (2) 17.7 μg/m3 (17) 10.9 μg/m3 (46) 46.0
 
April 17, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 35.0 ppb (33) 0.19 ppb (3) 37.6 μg/m3 (35) 32.2 μg/m3 (94) 94.0
 
April 17, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 39.0 ppb (37) 0.09 ppb (2) 16.9 μg/m3 (16) 10.9 μg/m3 (46) 46.0
 
April 17, 2021, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 33.0 ppb (31) 0.11 ppb (2) 21.3 μg/m3 (20) 13.4 μg/m3 (54) 54.0
 
April 17, 2021, 5 p.m. N/A N/A N/A 8.0 ppb (8) N/A 3.0 ppb (5) 28.0 ppb (26) 0.16 ppb (3) 30.7 μg/m3 (29) 17.3 μg/m3 (62) 62.0
 
April 17, 2021, 4 p.m. N/A N/A N/A 12.0 ppb (12) N/A 2.0 ppb (3) 27.0 ppb (25) 0.24 ppb (3) 27.6 μg/m3 (26) 17.8 μg/m3 (63) 63.0
 
April 17, 2021, 3 p.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 17.0 ppb (16) 0.32 ppb (4) 32.2 μg/m3 (30) 20.7 μg/m3 (70) 70.0
 
April 17, 2021, 2 p.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 8.0 ppb (8) 0.45 ppb (6) 29.0 μg/m3 (27) 17.5 μg/m3 (63) 63.0
 
April 17, 2021, 1 p.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 5.0 ppb (5) 0.39 ppb (5) 23.5 μg/m3 (22) 14.4 μg/m3 (56) 56.0
 
April 17, 2021, noon N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 7.0 ppb (7) 0.43 ppb (5) 21.4 μg/m3 (20) 13.7 μg/m3 (55) 55.0
 
April 17, 2021, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 4.0 ppb (4) 0.28 ppb (4) 19.9 μg/m3 (19) 13.0 μg/m3 (53) 53.0
 
April 17, 2021, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 10.0 ppb (10) 0.17 ppb (3) 18.5 μg/m3 (18) 13.0 μg/m3 (53) 53.0
 
April 17, 2021, 9 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 8.0 ppb (8) 0.21 ppb (3) 19.9 μg/m3 (19) 14.3 μg/m3 (56) 56.0
 
April 17, 2021, 8 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 2.0 ppb (2) 0.3 ppb (4) 22.0 μg/m3 (21) 16.7 μg/m3 (61) 61.0
 
April 17, 2021, 7 a.m. N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 0.0 ppb (0) 0.37 ppb (5) 23.8 μg/m3 (23) 18.1 μg/m3 (64) 64.0
 
April 17, 2021, 6 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 1.0 ppb (1) 0.42 ppb (5) 23.8 μg/m3 (23) 17.9 μg/m3 (64) 64.0
 
April 17, 2021, 5 a.m. N/A N/A N/A 25.0 ppb (24) N/A 2.0 ppb (3) 2.0 ppb (2) 0.39 ppb (5) 24.5 μg/m3 (23) 18.1 μg/m3 (64) 64.0
 
April 17, 2021, 4 a.m. N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 1.0 ppb (1) 0.46 ppb (6) 26.1 μg/m3 (25) 19.2 μg/m3 (66) 66.0
 
April 17, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 1.0 ppb (1) 0.46 ppb (6) 26.0 μg/m3 (25) 18.9 μg/m3 (66) 66.0
 
April 17, 2021, 2 a.m. N/A N/A N/A 26.0 ppb (25) N/A 1.0 ppb (2) 11.0 ppb (11) 0.34 ppb (4) 21.8 μg/m3 (21) 14.8 μg/m3 (57) 57.0
 
April 17, 2021, 1 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 20.0 ppb (19) 0.28 ppb (4) 20.0 μg/m3 (19) 10.6 μg/m3 (45) 45.0
 
April 17, 2021, midnight N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 38.0 ppb (36) 0.12 ppb (2) 15.0 μg/m3 (14) 7.3 μg/m3 (31) 36.0
 
April 16, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 47.0 ppb (44) 0.07 ppb (2) 16.6 μg/m3 (16) 6.8 μg/m3 (29) 44.0
 
April 16, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 49.0 ppb (46) 0.07 ppb (2) 19.0 μg/m3 (18) 7.9 μg/m3 (33) 46.0
 
April 16, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 49.0 ppb (46) 0.07 ppb (2) 17.7 μg/m3 (17) 8.5 μg/m3 (36) 46.0
 
April 16, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 48.0 ppb (45) 0.06 ppb (2) 19.7 μg/m3 (19) 8.3 μg/m3 (35) 45.0
 
April 16, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 46.0 ppb (43) 0.08 ppb (2) 18.8 μg/m3 (18) 8.8 μg/m3 (37) 43.0
 
April 16, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 42.0 ppb (39) 0.07 ppb (2) 18.4 μg/m3 (18) 9.9 μg/m3 (42) 42.0
 
April 16, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 39.0 ppb (37) 0.08 ppb (2) 17.9 μg/m3 (17) 9.8 μg/m3 (41) 41.0
 
April 16, 2021, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 34.0 ppb (32) 0.1 ppb (2) 17.8 μg/m3 (17) 10.2 μg/m3 (43) 43.0
 
April 16, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 33.0 ppb (31) 0.08 ppb (2) 14.3 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
April 16, 2021, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 2.0 ppb (3) 30.0 ppb (28) 0.07 ppb (2) 11.4 μg/m3 (11) 7.4 μg/m3 (31) 31.0
 
April 16, 2021, 1 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 22.0 ppb (21) 0.13 ppb (2) 14.2 μg/m3 (14) 8.5 μg/m3 (36) 36.0
 
April 16, 2021, noon N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 6.0 ppb (6) 0.42 ppb (5) 21.3 μg/m3 (20) 11.6 μg/m3 (49) 49.0
 
April 16, 2021, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 0.0 ppb (0) 0.63 ppb (7) 18.9 μg/m3 (18) 10.4 μg/m3 (44) 44.0
 
April 16, 2021, 10 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 0.0 ppb (0) 0.33 ppb (4) 16.8 μg/m3 (16) 9.1 μg/m3 (38) 38.0
 
April 16, 2021, 9 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 0.0 ppb (0) 0.34 ppb (4) 14.5 μg/m3 (14) 8.8 μg/m3 (37) 37.0
 
April 16, 2021, 8 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 0.0 ppb (0) 0.31 ppb (4) 14.5 μg/m3 (14) 8.7 μg/m3 (37) 37.0
 
April 16, 2021, 7 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 0.0 ppb (0) 0.32 ppb (4) 14.5 μg/m3 (14) 8.7 μg/m3 (37) 37.0
 
April 16, 2021, 6 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 0.0 ppb (0) 0.23 ppb (3) 12.7 μg/m3 (12) 7.3 μg/m3 (31) 31.0
 
April 16, 2021, 5 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 0.0 ppb (0) 0.26 ppb (4) 12.6 μg/m3 (12) 7.0 μg/m3 (30) 30.0
 
April 16, 2021, 4 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 0.0 ppb (0) 0.29 ppb (4) 13.5 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
April 16, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 4.0 ppb (4) 0.24 ppb (3) 13.5 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
April 16, 2021, 2 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 9.0 ppb (9) 0.19 ppb (3) 14.6 μg/m3 (14) 5.8 μg/m3 (25) 25.0
 
April 16, 2021, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 29.0 ppb (27) 0.1 ppb (2) 9.8 μg/m3 (10) 4.0 μg/m3 (17) 27.0
 
April 16, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 29.0 ppb (27) 0.24 ppb (3) 8.5 μg/m3 (8) 3.7 μg/m3 (16) 27.0
 
April 15, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 33.0 ppb (31) 0.06 ppb (2) 8.2 μg/m3 (8) 3.3 μg/m3 (14) 31.0
 
April 15, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 34.0 ppb (32) 0.04 ppb (0) 7.6 μg/m3 (8) 3.2 μg/m3 (14) 32.0
 
April 15, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 33.0 ppb (31) 0.05 ppb (2) 8.1 μg/m3 (8) 3.4 μg/m3 (15) 31.0
 
April 15, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 33.0 ppb (31) 0.07 ppb (2) 9.4 μg/m3 (9) 3.7 μg/m3 (16) 31.0
 
April 15, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 31.0 ppb (29) 0.07 ppb (2) 9.4 μg/m3 (9) 3.9 μg/m3 (17) 29.0
 
April 15, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) 0.07 ppb (2) 10.2 μg/m3 (10) 4.0 μg/m3 (17) 27.0
 
April 15, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) 0.1 ppb (2) 9.7 μg/m3 (9) 4.1 μg/m3 (18) 25.0
 
April 15, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 25.0 ppb (24) 0.13 ppb (2) 12.6 μg/m3 (12) 4.5 μg/m3 (19) 24.0
 
April 15, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 24.0 ppb (23) 0.11 ppb (2) 12.9 μg/m3 (12) 4.8 μg/m3 (20) 23.0
 
April 15, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 22.0 ppb (21) 0.07 ppb (2) 13.8 μg/m3 (13) 4.9 μg/m3 (21) 21.0
 
April 15, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 21.0 ppb (20) 0.09 ppb (2) 12.8 μg/m3 (12) 4.9 μg/m3 (21) 21.0
 
April 15, 2021, noon N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 18.0 ppb (17) 0.15 ppb (2) 10.9 μg/m3 (11) 4.6 μg/m3 (20) 20.0
 
April 15, 2021, 11 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 13.0 ppb (13) 0.18 ppb (3) 13.9 μg/m3 (13) 4.9 μg/m3 (21) 21.0
 
April 15, 2021, 10 a.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 17.0 ppb (16) 0.1 ppb (2) 11.7 μg/m3 (11) 4.5 μg/m3 (19) 19.0
 
April 15, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 21.0 ppb (20) 0.06 ppb (2) 11.6 μg/m3 (11) 4.8 μg/m3 (20) 20.0