ID: 404

AQSQID: 210130002

Site Name: Midair

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

Updated: Feb. 26, 2021, 10:32 a.m.

Location: Middlesboro (Paramount), KY

Reporting: True, Located: True

Current AQI: 42.0

Middlesboro (Paramount) KY, US: 36.6081, -83.7369

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 10.0 μg/m3 (42) 42.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 10.6 μg/m3 (45) 45.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 6.7 μg/m3 (28) 28.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 6.6 μg/m3 (28) 28.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (20) 20.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.7 μg/m3 (16) 37.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.8 μg/m3 (16) 38.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.3 μg/m3 (18) 38.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 9.2 μg/m3 (39) 39.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 7.1 μg/m3 (30) 31.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 5.6 μg/m3 (24) 42.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.9 μg/m3 (21) 43.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.2 μg/m3 (18) 43.0
 
Feb. 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.4 μg/m3 (15) 42.0
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.3 μg/m3 (14) 42.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.2 μg/m3 (14) 41.0
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.5 μg/m3 (15) 41.0
 
Feb. 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.4 μg/m3 (15) 39.0
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.8 μg/m3 (16) 38.0
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.2 μg/m3 (18) 36.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.2 μg/m3 (18) 36.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.0 μg/m3 (17) 36.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.2 μg/m3 (18) 36.0
 
Feb. 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.8 μg/m3 (20) 37.0
 
Feb. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 5.7 μg/m3 (24) 37.0
 
Feb. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 7.9 μg/m3 (33) 38.0
 
Feb. 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 8.2 μg/m3 (35) 43.0
 
Feb. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 7.7 μg/m3 (33) 44.0
 
Feb. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
Feb. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 7.9 μg/m3 (33) 38.0
 
Feb. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 16.8 μg/m3 (61) 61.0
 
Feb. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 14.6 μg/m3 (57) 57.0
 
Feb. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 10.1 μg/m3 (43) 50.0
 
Feb. 25, 2021, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 10.3 μg/m3 (43) 55.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 10.8 μg/m3 (46) 65.0
 
Feb. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 9.0 μg/m3 (38) 61.0
 
Feb. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 9.0 μg/m3 (38) 55.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 8.1 μg/m3 (34) 50.0
 
Feb. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 6.6 μg/m3 (28) 50.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 6.7 μg/m3 (28) 48.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 6.0 μg/m3 (25) 45.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Feb. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 15.2 μg/m3 (58) 58.0
 
Feb. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 25.3 μg/m3 (79) 79.0
 
Feb. 24, 2021, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 24.7 μg/m3 (78) 78.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 26.0 μg/m3 (81) 81.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 25.6 μg/m3 (80) 80.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 23.9 μg/m3 (76) 76.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 27.3 μg/m3 (83) 83.0
 
Feb. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 29.0 μg/m3 (87) 87.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 31.9 μg/m3 (93) 93.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.4 μg/m3 (84) 84.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 21.1 μg/m3 (70) 70.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 21.8 μg/m3 (72) 72.0
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 18.9 μg/m3 (66) 66.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 12.2 μg/m3 (52) 52.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 7.3 μg/m3 (31) 31.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 6.1 μg/m3 (26) 26.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.9 μg/m3 (13) 42.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 2.7 μg/m3 (12) 43.0
 
Feb. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 2.9 μg/m3 (13) 41.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.8 μg/m3 (12) 40.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (16) 16.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.7 μg/m3 (24) 31.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 14.4 μg/m3 (56) 56.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 17.2 μg/m3 (62) 62.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 19.6 μg/m3 (67) 67.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 23.1 μg/m3 (75) 75.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 28.6 μg/m3 (86) 86.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 27.4 μg/m3 (84) 84.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 23.7 μg/m3 (76) 76.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 24.3 μg/m3 (77) 77.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.6 μg/m3 (76) 76.0
 
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 23.3 μg/m3 (75) 75.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 25.9 μg/m3 (81) 81.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 23.2 μg/m3 (75) 75.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 12.5 μg/m3 (52) 52.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 6.3 μg/m3 (27) 31.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.6 μg/m3 (24) 39.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 6.6 μg/m3 (28) 39.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.7 μg/m3 (28) 40.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.4 μg/m3 (27) 40.0
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 7.2 μg/m3 (31) 39.0
 
Feb. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 8.2 μg/m3 (35) 39.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 8.0 μg/m3 (34) 38.0
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.7 μg/m3 (20) 40.0
 
Feb. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 3.1 μg/m3 (13) 43.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 2.3 μg/m3 (10) 44.0
 
Feb. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 1.4 μg/m3 (6) 43.0
 
Feb. 22, 2021, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.9 μg/m3 (17) 35.0
 
Feb. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.7 μg/m3 (28) 36.0
 
Feb. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 7.0 μg/m3 (30) 35.0
 
Feb. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.4 μg/m3 (27) 35.0
 
Feb. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.6 μg/m3 (28) 37.0
 
Feb. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 9.8 μg/m3 (41) 41.0
 
Feb. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 9.2 μg/m3 (39) 39.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.5 μg/m3 (69) 69.0
 
Feb. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 20.7 μg/m3 (70) 70.0
 
Feb. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 18.0 μg/m3 (64) 64.0
 
Feb. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 16.4 μg/m3 (61) 61.0
 
Feb. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 20.9 μg/m3 (70) 70.0
 
Feb. 22, 2021, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 12.0 μg/m3 (50) 50.0
 
Feb. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 8.0 μg/m3 (34) 34.0
 
Feb. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.9 μg/m3 (21) 41.0
 
Feb. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.8 μg/m3 (20) 42.0
 
Feb. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.7 μg/m3 (20) 42.0
 
Feb. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.8 μg/m3 (20) 41.0
 
Feb. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.9 μg/m3 (21) 40.0
 
Feb. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.6 μg/m3 (24) 38.0
 
Feb. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.1 μg/m3 (26) 38.0
 
Feb. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 10.0 μg/m3 (42) 42.0
 
Feb. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 15.5 μg/m3 (59) 59.0
 
Feb. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 16.5 μg/m3 (61) 61.0
 
Feb. 21, 2021, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 23.6 μg/m3 (76) 76.0
 
Feb. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 24.4 μg/m3 (77) 77.0
 
Feb. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 25.9 μg/m3 (81) 81.0
 
Feb. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 25.5 μg/m3 (80) 80.0
 
Feb. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 27.4 μg/m3 (84) 84.0
 
Feb. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 27.6 μg/m3 (84) 84.0
 
Feb. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 29.1 μg/m3 (87) 87.0
 
Feb. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.4 μg/m3 (75) 75.0
 
Feb. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 29.8 μg/m3 (89) 89.0
 
Feb. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 23.1 μg/m3 (75) 75.0
 
Feb. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 21.0 μg/m3 (70) 70.0
 
Feb. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 17.1 μg/m3 (62) 62.0
 
Feb. 21, 2021, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 11.4 μg/m3 (48) 48.0
 
Feb. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 6.8 μg/m3 (29) 39.0
 
Feb. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 6.3 μg/m3 (27) 42.0
 
Feb. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 5.3 μg/m3 (23) 43.0
 
Feb. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 6.8 μg/m3 (29) 44.0
 
Feb. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 8.0 μg/m3 (34) 44.0
 
Feb. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 9.2 μg/m3 (39) 44.0
 
Feb. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 9.2 μg/m3 (39) 44.0
 
Feb. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 11.2 μg/m3 (47) 47.0
 
Feb. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 11.8 μg/m3 (50) 50.0
 
Feb. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 12.4 μg/m3 (52) 52.0
 
Feb. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 13.2 μg/m3 (54) 54.0
 
Feb. 20, 2021, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 18.1 μg/m3 (64) 64.0
 
Feb. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 15.0 μg/m3 (58) 58.0
 
Feb. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 12.5 μg/m3 (52) 52.0
 
Feb. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 12.4 μg/m3 (52) 52.0
 
Feb. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 12.3 μg/m3 (52) 52.0
 
Feb. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 13.5 μg/m3 (54) 54.0
 
Feb. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 14.9 μg/m3 (57) 57.0
 
Feb. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.5 μg/m3 (57) 57.0
 
Feb. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 13.3 μg/m3 (54) 54.0
 
Feb. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 12.0 μg/m3 (50) 50.0
 
Feb. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 12.0 μg/m3 (50) 50.0
 
Feb. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 11.6 μg/m3 (49) 49.0
 
Feb. 20, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 12.2 μg/m3 (52) 52.0
 
Feb. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 12.3 μg/m3 (52) 52.0
 
Feb. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 10.6 μg/m3 (45) 45.0
 
Feb. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 9.8 μg/m3 (41) 41.0
 
Feb. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 11.0 μg/m3 (46) 46.0
 
Feb. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 12.7 μg/m3 (53) 53.0
 
Feb. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 14.7 μg/m3 (57) 57.0
 
Feb. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 15.2 μg/m3 (58) 58.0
 
Feb. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 15.2 μg/m3 (58) 58.0
 
Feb. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 16.2 μg/m3 (60) 60.0
 
Feb. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 15.2 μg/m3 (58) 58.0
 
Feb. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 18.2 μg/m3 (64) 64.0
 
Feb. 19, 2021, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 18.3 μg/m3 (65) 65.0
 
Feb. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 14.7 μg/m3 (57) 57.0
 
Feb. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 14.8 μg/m3 (57) 57.0
 
Feb. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 15.5 μg/m3 (59) 59.0