ID: 2389

AQSQID: 211111041

Site Name: Firearms Training

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

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

Location: Louisville (Chickasaw), KY

Reporting: True, Located: True

Current AQI: 73.0

Louisville (Chickasaw) KY, US: 38.23158, -85.82675

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 N/A N/A N/A N/A N/A 49.3 μg/m3 (46) 22.5 μg/m3 (73) 73.0
 
April 22, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 43.5 μg/m3 (41) 21.2 μg/m3 (71) 71.0
 
April 22, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.7 μg/m3 (21) 11.8 μg/m3 (50) 50.0
 
April 22, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
April 22, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.9 μg/m3 (16) 8.7 μg/m3 (37) 37.0
 
April 22, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.3 μg/m3 (12) 7.2 μg/m3 (31) 31.0
 
April 22, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.4 μg/m3 (12) 7.0 μg/m3 (30) 30.0
 
April 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.8 μg/m3 (16) 6.9 μg/m3 (29) 29.0
 
April 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 20.2 μg/m3 (19) 6.5 μg/m3 (28) 28.0
 
April 21, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.8 μg/m3 (13) 6.6 μg/m3 (28) 28.0
 
April 21, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 6.8 μg/m3 (29) 29.0
 
April 21, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.7 μg/m3 (15) 7.3 μg/m3 (31) 31.0
 
April 21, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.1 μg/m3 (15) 7.4 μg/m3 (31) 31.0
 
April 21, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.8 μg/m3 (13) 7.2 μg/m3 (31) 31.0
 
April 21, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 12.9 μg/m3 (12) 7.4 μg/m3 (31) 31.0
 
April 21, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 12.4 μg/m3 (12) 7.1 μg/m3 (30) 30.0
 
April 21, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.2 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
April 21, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.6 μg/m3 (14) 8.3 μg/m3 (35) 35.0
 
April 21, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.7 μg/m3 (12) 7.8 μg/m3 (33) 33.0
 
April 21, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.2 μg/m3 (12) 7.1 μg/m3 (30) 30.0
 
April 21, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.9 μg/m3 (10) 5.8 μg/m3 (25) 25.0
 
April 21, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.1 μg/m3 (8) 5.4 μg/m3 (23) 23.0
 
April 21, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.8 μg/m3 (7) 4.8 μg/m3 (20) 20.0
 
April 21, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.3 μg/m3 (6) 4.3 μg/m3 (18) 18.0
 
April 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
April 21, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.9 μg/m3 (5) 4.4 μg/m3 (19) 19.0
 
April 21, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.9 μg/m3 (5) 3.6 μg/m3 (16) 16.0
 
April 21, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.9 μg/m3 (5) 3.8 μg/m3 (16) 16.0
 
April 21, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.5 μg/m3 (7) 5.3 μg/m3 (23) 23.0
 
April 21, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.3 μg/m3 (8) 5.9 μg/m3 (25) 25.0
 
April 21, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.1 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
April 21, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.1 μg/m3 (18) 12.5 μg/m3 (52) 52.0
 
April 21, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.7 μg/m3 (22) 13.4 μg/m3 (54) 54.0
 
April 20, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 35.3 μg/m3 (33) 12.2 μg/m3 (52) 52.0
 
April 20, 2021, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 21.4 μg/m3 (20) 8.4 μg/m3 (36) 36.0
 
April 20, 2021, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 20.1 μg/m3 (19) 7.9 μg/m3 (33) 33.0
 
April 20, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.5 μg/m3 (17) 6.5 μg/m3 (28) 28.0
 
April 20, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 31.4 μg/m3 (30) 6.7 μg/m3 (28) 30.0
 
April 20, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 33.8 μg/m3 (32) 7.7 μg/m3 (33) 33.0
 
April 20, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 29.5 μg/m3 (28) 10.6 μg/m3 (45) 45.0
 
April 20, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 39.6 μg/m3 (37) 14.3 μg/m3 (56) 56.0
 
April 20, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 27.9 μg/m3 (26) 13.2 μg/m3 (54) 54.0
 
April 20, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 32.5 μg/m3 (31) 12.1 μg/m3 (51) 51.0
 
April 20, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 35.6 μg/m3 (33) 12.0 μg/m3 (50) 50.0
 
April 20, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 28.0 μg/m3 (26) 10.3 μg/m3 (43) 43.0
 
April 20, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 39.7 μg/m3 (37) 11.5 μg/m3 (48) 48.0
 
April 20, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.7 μg/m3 (17) 9.6 μg/m3 (40) 40.0
 
April 20, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.9 μg/m3 (21) 9.7 μg/m3 (41) 41.0
 
April 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.3 μg/m3 (15) 9.6 μg/m3 (40) 40.0
 
April 20, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.2 μg/m3 (16) 10.4 μg/m3 (44) 44.0
 
April 20, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.7 μg/m3 (22) 10.1 μg/m3 (43) 43.0
 
April 20, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.8 μg/m3 (19) 10.8 μg/m3 (46) 46.0
 
April 20, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.2 μg/m3 (22) 12.2 μg/m3 (52) 52.0
 
April 20, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.6 μg/m3 (24) 10.9 μg/m3 (46) 46.0
 
April 20, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.5 μg/m3 (15) 7.3 μg/m3 (31) 31.0
 
April 20, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 16.5 μg/m3 (16) 7.2 μg/m3 (31) 31.0
 
April 20, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 16.9 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
April 19, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 12.2 μg/m3 (12) 5.5 μg/m3 (23) 23.0
 
April 19, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 14.7 μg/m3 (14) 5.5 μg/m3 (23) 23.0
 
April 19, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 22.1 μg/m3 (21) 7.6 μg/m3 (32) 32.0
 
April 19, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 20.8 μg/m3 (20) 6.9 μg/m3 (29) 29.0
 
April 19, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.8 μg/m3 (17) 5.9 μg/m3 (25) 25.0
 
April 19, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 19.2 μg/m3 (18) 5.9 μg/m3 (25) 25.0
 
April 19, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 19.6 μg/m3 (19) 6.8 μg/m3 (29) 29.0
 
April 19, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 21.4 μg/m3 (20) 8.5 μg/m3 (36) 36.0
 
April 19, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 21.9 μg/m3 (21) 11.3 μg/m3 (48) 48.0
 
April 19, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 25.5 μg/m3 (24) 13.9 μg/m3 (55) 55.0
 
April 19, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 21.8 μg/m3 (21) 14.4 μg/m3 (56) 56.0
 
April 19, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 30.7 μg/m3 (29) 14.1 μg/m3 (56) 56.0
 
April 19, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 37.2 μg/m3 (35) 14.1 μg/m3 (56) 56.0
 
April 19, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 26.3 μg/m3 (25) 12.8 μg/m3 (53) 53.0
 
April 19, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.9 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
April 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.6 μg/m3 (16) 12.1 μg/m3 (51) 51.0
 
April 19, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.6 μg/m3 (19) 13.7 μg/m3 (55) 55.0
 
April 19, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.7 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
April 19, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.2 μg/m3 (22) 11.1 μg/m3 (47) 47.0
 
April 19, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.8 μg/m3 (12) 8.4 μg/m3 (36) 36.0
 
April 19, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.7 μg/m3 (12) 8.5 μg/m3 (36) 36.0
 
April 19, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.1 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
April 19, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.7 μg/m3 (17) 9.8 μg/m3 (41) 41.0
 
April 19, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 18.6 μg/m3 (18) 8.6 μg/m3 (36) 36.0
 
April 18, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 16.2 μg/m3 (15) 7.4 μg/m3 (31) 31.0
 
April 18, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 15.5 μg/m3 (15) 7.1 μg/m3 (30) 30.0
 
April 18, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.3 μg/m3 (17) 7.8 μg/m3 (33) 33.0
 
April 18, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.7 μg/m3 (17) 8.1 μg/m3 (34) 34.0
 
April 18, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.0 μg/m3 (16) 7.4 μg/m3 (31) 31.0
 
April 18, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.2 μg/m3 (16) 7.8 μg/m3 (33) 33.0
 
April 18, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.5 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
April 18, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 16.3 μg/m3 (16) 7.6 μg/m3 (32) 32.0
 
April 18, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 20.6 μg/m3 (20) 10.5 μg/m3 (44) 44.0
 
April 18, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 25.0 μg/m3 (24) 13.4 μg/m3 (54) 54.0
 
April 18, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 38.7 μg/m3 (36) 18.0 μg/m3 (64) 64.0
 
April 18, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 44.3 μg/m3 (42) 18.4 μg/m3 (65) 65.0
 
April 18, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 32.4 μg/m3 (30) 18.3 μg/m3 (65) 65.0
 
April 18, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 26.2 μg/m3 (25) 18.6 μg/m3 (65) 65.0
 
April 18, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 26.3 μg/m3 (25) 20.2 μg/m3 (69) 69.0
 
April 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.3 μg/m3 (28) 23.4 μg/m3 (75) 75.0
 
April 18, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 28.8 μg/m3 (27) 23.2 μg/m3 (75) 75.0
 
April 18, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.3 μg/m3 (21) 16.4 μg/m3 (61) 61.0
 
April 18, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.4 μg/m3 (16) 11.6 μg/m3 (49) 49.0
 
April 18, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.6 μg/m3 (18) 12.8 μg/m3 (53) 53.0
 
April 18, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.6 μg/m3 (13) 8.4 μg/m3 (36) 36.0
 
April 18, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.2 μg/m3 (11) 7.4 μg/m3 (31) 31.0
 
April 18, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
April 18, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.4 μg/m3 (12) 7.1 μg/m3 (30) 30.0
 
April 17, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 12.4 μg/m3 (12) 7.4 μg/m3 (31) 31.0
 
April 17, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 15.3 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
April 17, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 15.0 μg/m3 (14) 9.4 μg/m3 (40) 40.0
 
April 17, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 16.2 μg/m3 (15) 9.2 μg/m3 (39) 39.0
 
April 17, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.7 μg/m3 (17) 9.8 μg/m3 (41) 41.0
 
April 17, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 20.1 μg/m3 (19) 11.9 μg/m3 (50) 50.0
 
April 17, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 21.5 μg/m3 (20) 12.7 μg/m3 (53) 53.0
 
April 17, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 21.5 μg/m3 (20) 13.6 μg/m3 (55) 55.0
 
April 17, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 32.5 μg/m3 (31) 18.7 μg/m3 (65) 65.0
 
April 17, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 23.3 μg/m3 (22) 13.0 μg/m3 (53) 53.0
 
April 17, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 22.7 μg/m3 (22) 11.6 μg/m3 (49) 49.0
 
April 17, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.2 μg/m3 (16) 10.8 μg/m3 (46) 46.0
 
April 17, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 23.6 μg/m3 (22) 10.4 μg/m3 (44) 44.0
 
April 17, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.6 μg/m3 (18) 10.2 μg/m3 (43) 43.0
 
April 17, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 14.2 μg/m3 (14) 8.5 μg/m3 (36) 36.0
 
April 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 7.5 μg/m3 (32) 32.0
 
April 17, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 12.4 μg/m3 (12) 7.9 μg/m3 (33) 33.0
 
April 17, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 14.8 μg/m3 (14) 9.2 μg/m3 (39) 39.0
 
April 17, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 9.9 μg/m3 (42) 42.0
 
April 17, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.7 μg/m3 (16) 9.9 μg/m3 (42) 42.0
 
April 17, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
April 17, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.3 μg/m3 (13) 7.2 μg/m3 (31) 31.0
 
April 17, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.4 μg/m3 (17) 6.7 μg/m3 (28) 28.0
 
April 17, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.8 μg/m3 (11) 5.3 μg/m3 (23) 23.0
 
April 16, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.5 μg/m3 (9) 4.7 μg/m3 (20) 20.0
 
April 16, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 10.1 μg/m3 (10) 4.7 μg/m3 (20) 20.0
 
April 16, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 13.1 μg/m3 (13) 5.2 μg/m3 (22) 22.0
 
April 16, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 13.5 μg/m3 (13) 6.5 μg/m3 (28) 28.0
 
April 16, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 14.0 μg/m3 (13) 7.5 μg/m3 (32) 32.0
 
April 16, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 16.2 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
April 16, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 16.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
April 16, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 19.1 μg/m3 (18) 8.9 μg/m3 (38) 38.0
 
April 16, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 16.1 μg/m3 (15) 8.3 μg/m3 (35) 35.0
 
April 16, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 12.5 μg/m3 (12) 5.9 μg/m3 (25) 25.0
 
April 16, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 25.8 μg/m3 (24) 10.3 μg/m3 (43) 43.0
 
April 16, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 42.3 μg/m3 (40) 12.5 μg/m3 (52) 52.0
 
April 16, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 30.2 μg/m3 (28) 9.4 μg/m3 (40) 40.0
 
April 16, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) 8.2 μg/m3 (35) 35.0
 
April 16, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 16.6 μg/m3 (16) 7.8 μg/m3 (33) 33.0
 
April 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (10) 5.9 μg/m3 (25) 25.0
 
April 16, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.7 μg/m3 (12) 5.9 μg/m3 (25) 25.0
 
April 16, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.5 μg/m3 (10) 5.2 μg/m3 (22) 22.0
 
April 16, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.5 μg/m3 (9) 4.8 μg/m3 (20) 20.0
 
April 16, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.5 μg/m3 (9) 4.6 μg/m3 (20) 20.0
 
April 16, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (12) 4.7 μg/m3 (20) 20.0
 
April 16, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.5 μg/m3 (10) 4.2 μg/m3 (18) 18.0
 
April 16, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.6 μg/m3 (8) 3.4 μg/m3 (15) 15.0
 
April 16, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.9 μg/m3 (9) 3.3 μg/m3 (14) 14.0
 
April 15, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.2 μg/m3 (7) 3.2 μg/m3 (14) 14.0
 
April 15, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.8 μg/m3 (9) 3.1 μg/m3 (13) 13.0
 
April 15, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.9 μg/m3 (9) 3.0 μg/m3 (13) 13.0
 
April 15, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.5 μg/m3 (7) 3.1 μg/m3 (13) 13.0
 
April 15, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.4 μg/m3 (7) 3.3 μg/m3 (14) 14.0
 
April 15, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 9.3 μg/m3 (9) 3.5 μg/m3 (15) 15.0
 
April 15, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.8 μg/m3 (10) 3.8 μg/m3 (16) 16.0
 
April 15, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.7 μg/m3 (9) 3.8 μg/m3 (16) 16.0
 
April 15, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.9 μg/m3 (12) 4.5 μg/m3 (19) 19.0
 
April 15, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.5 μg/m3 (12) 4.4 μg/m3 (19) 19.0
 
April 15, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.3 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
April 15, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 11.3 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
April 15, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.7 μg/m3 (14) 4.8 μg/m3 (20) 20.0
 
April 15, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.9 μg/m3 (11) 4.2 μg/m3 (18) 18.0
 
April 15, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.1 μg/m3 (10) 4.2 μg/m3 (18) 18.0