ID: 2389

AQSQID: 211111041

Site Name: Firearms Training

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

Updated: March 3, 2021, 10:32 a.m.

Location: Louisville (Chickasaw), KY

Reporting: True, Located: True

Current AQI: 56.0

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
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 20.5 μg/m3 (19) 8.3 μg/m3 (35) 35.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.8 μg/m3 (22) 9.3 μg/m3 (39) 39.0
 
Feb. 24, 2021, 7 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) 9.5 μg/m3 (40) 40.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 25.2 μg/m3 (24) 10.3 μg/m3 (43) 43.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 27.9 μg/m3 (26) 12.5 μg/m3 (52) 52.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 39.6 μg/m3 (37) 17.1 μg/m3 (62) 62.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 25.8 μg/m3 (24) 9.7 μg/m3 (41) 41.0
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.4 μg/m3 (17) 6.2 μg/m3 (26) 26.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 36.8 μg/m3 (35) 7.2 μg/m3 (31) 35.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.7 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
Feb. 23, 2021, 11 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) 3.0 μg/m3 (13) 14.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 9.4 μg/m3 (9) 1.8 μg/m3 (8) 9.0
 
Feb. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 10.4 μg/m3 (10) 1.9 μg/m3 (8) 10.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A 12.6 μg/m3 (12) 2.7 μg/m3 (12) 12.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 24.4 μg/m3 (23) 3.4 μg/m3 (15) 23.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A 17.2 μg/m3 (16) 3.5 μg/m3 (15) 16.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A 21.1 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A 22.7 μg/m3 (22) 4.4 μg/m3 (19) 22.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A 17.7 μg/m3 (17) 4.4 μg/m3 (19) 19.0
 
Feb. 23, 2021, 1 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) 4.7 μg/m3 (20) 20.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 23.3 μg/m3 (22) 12.1 μg/m3 (51) 51.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 73.9 μg/m3 (61) 43.0 μg/m3 (120) 120.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 35.5 μg/m3 (33) 20.2 μg/m3 (69) 69.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.2 μg/m3 (12) 6.2 μg/m3 (26) 26.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (12) 6.3 μg/m3 (27) 27.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 21.9 μg/m3 (21) 9.2 μg/m3 (39) 39.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 29.8 μg/m3 (28) 9.1 μg/m3 (38) 38.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 62.1 μg/m3 (55) 35.5 μg/m3 (101) 101.0
 
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 63.8 μg/m3 (56) 34.4 μg/m3 (98) 98.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 62.0 μg/m3 (55) 20.5 μg/m3 (69) 69.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 31.1 μg/m3 (29) 18.4 μg/m3 (65) 65.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 27.4 μg/m3 (26) 17.0 μg/m3 (62) 62.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 28.5 μg/m3 (27) 16.9 μg/m3 (62) 62.0
 
Feb. 22, 2021, 11 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) 16.7 μg/m3 (61) 61.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 20.9 μg/m3 (20) 16.5 μg/m3 (61) 61.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 19.8 μg/m3 (19) 16.7 μg/m3 (61) 61.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 19.4 μg/m3 (18) 16.0 μg/m3 (60) 60.0
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 20.0 μg/m3 (19) 16.1 μg/m3 (60) 60.0
 
Feb. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 19.9 μg/m3 (19) 16.2 μg/m3 (60) 60.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 18.8 μg/m3 (18) 16.2 μg/m3 (60) 60.0
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 17.1 μg/m3 (16) 15.6 μg/m3 (59) 59.0
 
Feb. 22, 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) 14.2 μg/m3 (56) 56.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 15.9 μg/m3 (15) 13.9 μg/m3 (55) 55.0
 
Feb. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.1 μg/m3 (16) 14.4 μg/m3 (56) 56.0
 
Feb. 22, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.7 μg/m3 (14) 11.6 μg/m3 (49) 49.0
 
Feb. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.3 μg/m3 (11) 8.8 μg/m3 (37) 37.0
 
Feb. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.4 μg/m3 (8) 5.6 μg/m3 (24) 24.0
 
Feb. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.5 μg/m3 (8) 5.6 μg/m3 (24) 24.0
 
Feb. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (10) 5.7 μg/m3 (24) 24.0
 
Feb. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 15.7 μg/m3 (15) 5.5 μg/m3 (23) 23.0
 
Feb. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 35.4 μg/m3 (33) 6.6 μg/m3 (28) 33.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 21.9 μg/m3 (21) 7.0 μg/m3 (30) 30.0
 
Feb. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 9.7 μg/m3 (9) 5.1 μg/m3 (22) 22.0
 
Feb. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 9.3 μg/m3 (9) 4.9 μg/m3 (21) 21.0
 
Feb. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 13.8 μg/m3 (13) 6.6 μg/m3 (28) 28.0
 
Feb. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 18.4 μg/m3 (18) 7.9 μg/m3 (33) 33.0
 
Feb. 22, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 16.5 μg/m3 (16) 7.4 μg/m3 (31) 31.0
 
Feb. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 13.8 μg/m3 (13) 6.7 μg/m3 (28) 28.0
 
Feb. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.9 μg/m3 (17) 9.4 μg/m3 (40) 40.0
 
Feb. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 23.2 μg/m3 (22) 13.6 μg/m3 (55) 55.0
 
Feb. 21, 2021, 8 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) 13.8 μg/m3 (55) 55.0
 
Feb. 21, 2021, 7 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) 14.7 μg/m3 (57) 57.0
 
Feb. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 26.3 μg/m3 (25) 16.1 μg/m3 (60) 60.0
 
Feb. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 31.3 μg/m3 (29) 17.3 μg/m3 (62) 62.0
 
Feb. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 33.7 μg/m3 (32) 18.2 μg/m3 (64) 64.0
 
Feb. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 28.8 μg/m3 (27) 18.5 μg/m3 (65) 65.0
 
Feb. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.1 μg/m3 (19) 17.3 μg/m3 (62) 62.0
 
Feb. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.5 μg/m3 (20) 20.5 μg/m3 (69) 69.0
 
Feb. 21, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 30.5 μg/m3 (29) 27.3 μg/m3 (83) 83.0
 
Feb. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 32.3 μg/m3 (30) 28.6 μg/m3 (86) 86.0
 
Feb. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 29.5 μg/m3 (28) 26.6 μg/m3 (82) 82.0
 
Feb. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 27.7 μg/m3 (26) 25.1 μg/m3 (79) 79.0
 
Feb. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.5 μg/m3 (30) 28.1 μg/m3 (85) 85.0
 
Feb. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.6 μg/m3 (20) 19.1 μg/m3 (66) 66.0
 
Feb. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.1 μg/m3 (22) 20.3 μg/m3 (69) 69.0
 
Feb. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.7 μg/m3 (20) 18.4 μg/m3 (65) 65.0
 
Feb. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.8 μg/m3 (20) 17.3 μg/m3 (62) 62.0
 
Feb. 21, 2021, 3 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) 16.8 μg/m3 (61) 61.0
 
Feb. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.5 μg/m3 (20) 17.3 μg/m3 (62) 62.0
 
Feb. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.6 μg/m3 (19) 14.5 μg/m3 (57) 57.0
 
Feb. 21, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (18) 13.0 μg/m3 (53) 53.0
 
Feb. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 25.9 μg/m3 (24) 15.9 μg/m3 (59) 59.0
 
Feb. 20, 2021, 10 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) 11.7 μg/m3 (49) 49.0
 
Feb. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.1 μg/m3 (16) 12.6 μg/m3 (53) 53.0
 
Feb. 20, 2021, 8 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) 11.7 μg/m3 (49) 49.0
 
Feb. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 14.6 μg/m3 (14) 10.9 μg/m3 (46) 46.0
 
Feb. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 15.1 μg/m3 (14) 11.1 μg/m3 (47) 47.0
 
Feb. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A 16.8 μg/m3 (16) 12.6 μg/m3 (53) 53.0
 
Feb. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A 27.7 μg/m3 (26) 19.3 μg/m3 (67) 67.0
 
Feb. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 44.3 μg/m3 (42) N/A 42.0
 
Feb. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 178.4 μg/m3 (113) 114.9 μg/m3 (182) 182.0
 
Feb. 20, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 139.7 μg/m3 (93) N/A 93.0
 
Feb. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 60.3 μg/m3 (54) 43.4 μg/m3 (121) 121.0
 
Feb. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 61.2 μg/m3 (55) 45.0 μg/m3 (125) 125.0
 
Feb. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 55.1 μg/m3 (52) 39.8 μg/m3 (112) 112.0
 
Feb. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (53) 45.0 μg/m3 (125) 125.0
 
Feb. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 μg/m3 (38) 33.3 μg/m3 (96) 96.0
 
Feb. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 28.4 μg/m3 (27) 26.8 μg/m3 (82) 82.0
 
Feb. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 29.8 μg/m3 (28) 26.0 μg/m3 (81) 81.0
 
Feb. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 28.5 μg/m3 (27) 24.7 μg/m3 (78) 78.0
 
Feb. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 26.5 μg/m3 (25) 24.6 μg/m3 (78) 78.0
 
Feb. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 25.3 μg/m3 (24) 22.9 μg/m3 (74) 74.0
 
Feb. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 22.2 μg/m3 (21) 20.5 μg/m3 (69) 69.0
 
Feb. 20, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 16.7 μg/m3 (16) 14.3 μg/m3 (56) 56.0
 
Feb. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 14.5 μg/m3 (14) 12.0 μg/m3 (50) 50.0
 
Feb. 19, 2021, 10 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) 14.8 μg/m3 (57) 57.0
 
Feb. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 19.5 μg/m3 (19) 16.1 μg/m3 (60) 60.0
 
Feb. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 15.6 μg/m3 (15) 13.0 μg/m3 (53) 53.0
 
Feb. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 17.8 μg/m3 (17) 13.4 μg/m3 (54) 54.0
 
Feb. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 18.5 μg/m3 (18) 13.6 μg/m3 (55) 55.0
 
Feb. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 20.9 μg/m3 (20) 16.3 μg/m3 (60) 60.0
 
Feb. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A 31.7 μg/m3 (30) 20.2 μg/m3 (69) 69.0
 
Feb. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A 30.4 μg/m3 (29) 21.7 μg/m3 (72) 72.0
 
Feb. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 29.5 μg/m3 (28) 24.6 μg/m3 (78) 78.0
 
Feb. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 38.3 μg/m3 (36) 31.7 μg/m3 (93) 93.0
 
Feb. 19, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 31.1 μg/m3 (29) 28.4 μg/m3 (86) 86.0
 
Feb. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.4 μg/m3 (24) 25.0 μg/m3 (79) 79.0
 
Feb. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (25) 26.0 μg/m3 (81) 81.0
 
Feb. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.1 μg/m3 (24) 24.2 μg/m3 (77) 77.0
 
Feb. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.3 μg/m3 (20) 20.4 μg/m3 (69) 69.0
 
Feb. 19, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.2 μg/m3 (20) 19.9 μg/m3 (68) 68.0
 
Feb. 19, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.1 μg/m3 (17) 17.3 μg/m3 (62) 62.0
 
Feb. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.3 μg/m3 (18) 18.1 μg/m3 (64) 64.0
 
Feb. 19, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 19.3 μg/m3 (18) 18.2 μg/m3 (64) 64.0
 
Feb. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 21.1 μg/m3 (20) 20.1 μg/m3 (68) 68.0
 
Feb. 19, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 24.3 μg/m3 (23) 24.2 μg/m3 (77) 77.0
 
Feb. 19, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 22.6 μg/m3 (21) 21.4 μg/m3 (71) 71.0
 
Feb. 19, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 22.3 μg/m3 (21) 21.5 μg/m3 (71) 71.0
 
Feb. 18, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 24.1 μg/m3 (23) 24.1 μg/m3 (77) 77.0
 
Feb. 18, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 23.8 μg/m3 (23) 23.6 μg/m3 (76) 76.0
 
Feb. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 24.0 μg/m3 (23) 23.9 μg/m3 (76) 76.0
 
Feb. 18, 2021, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A 22.4 μg/m3 (21) 21.9 μg/m3 (72) 72.0
 
Feb. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 19.7 μg/m3 (19) 18.8 μg/m3 (66) 66.0
 
Feb. 18, 2021, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A 19.8 μg/m3 (19) 17.7 μg/m3 (63) 63.0
 
Feb. 18, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 20.0 μg/m3 (19) 18.1 μg/m3 (64) 64.0
 
Feb. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 19.2 μg/m3 (18) 16.8 μg/m3 (61) 61.0
 
Feb. 18, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 17.4 μg/m3 (17) 15.4 μg/m3 (58) 58.0
 
Feb. 18, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 16.1 μg/m3 (15) 13.1 μg/m3 (54) 54.0
 
Feb. 18, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 14.2 μg/m3 (14) 11.3 μg/m3 (48) 48.0
 
Feb. 18, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 14.1 μg/m3 (14) 11.3 μg/m3 (48) 48.0
 
Feb. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 13.4 μg/m3 (13) 10.8 μg/m3 (46) 46.0
 
Feb. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 13.2 μg/m3 (13) 10.5 μg/m3 (44) 44.0
 
Feb. 18, 2021, 9 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) 9.6 μg/m3 (40) 40.0
 
Feb. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (11) 9.1 μg/m3 (38) 38.0
 
Feb. 18, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.1 μg/m3 (12) 9.2 μg/m3 (39) 39.0
 
Feb. 18, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 11.4 μg/m3 (11) 8.8 μg/m3 (37) 37.0
 
Feb. 18, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.1 μg/m3 (12) 9.7 μg/m3 (41) 41.0
 
Feb. 18, 2021, 4 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) 10.0 μg/m3 (42) 42.0
 
Feb. 18, 2021, 3 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) 10.2 μg/m3 (43) 43.0
 
Feb. 18, 2021, 2 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) 9.2 μg/m3 (39) 39.0
 
Feb. 18, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 12.7 μg/m3 (12) 9.2 μg/m3 (39) 39.0
 
Feb. 18, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 13.9 μg/m3 (13) 8.7 μg/m3 (37) 37.0
 
Feb. 17, 2021, 11 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) 8.8 μg/m3 (37) 37.0
 
Feb. 17, 2021, 10 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) 8.2 μg/m3 (35) 35.0
 
Feb. 17, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 14.6 μg/m3 (14) 8.2 μg/m3 (35) 35.0
 
Feb. 17, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 14.9 μg/m3 (14) 8.4 μg/m3 (36) 36.0
 
Feb. 17, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 15.6 μg/m3 (15) 8.5 μg/m3 (36) 36.0
 
Feb. 17, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 13.3 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Feb. 17, 2021, 5 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) 10.1 μg/m3 (43) 43.0
 
Feb. 17, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 23.6 μg/m3 (22) 14.4 μg/m3 (56) 56.0
 
Feb. 17, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 22.4 μg/m3 (21) 14.4 μg/m3 (56) 56.0
 
Feb. 17, 2021, 2 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) 12.7 μg/m3 (53) 53.0
 
Feb. 17, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 18.0 μg/m3 (17) 12.7 μg/m3 (53) 53.0
 
Feb. 17, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 17.9 μg/m3 (17) 12.6 μg/m3 (53) 53.0
 
Feb. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 14.7 μg/m3 (14) 10.3 μg/m3 (43) 43.0
 
Feb. 17, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 12.3 μg/m3 (12) 8.7 μg/m3 (37) 37.0