ID: 1413

AQSQID: 380130004

Site Name: Lostwood Nwr

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

Updated: Sept. 24, 2020, 12:40 a.m.

Location: Kenmare (N Dakota Hwy 8), ND

Reporting: True, Located: True

Current AQI: 25.0

Kenmare (N Dakota Hwy 8) ND, US: 48.641899, -102.402199

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 23, 2020, 10 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 4.9 μg/m3 (20) 25.0
 
Sept. 23, 2020, 9 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 5.6 μg/m3 (23) 25.0
 
Sept. 23, 2020, 8 p.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 5.5 μg/m3 (23) 23.0
 
Sept. 23, 2020, 7 p.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 4.9 μg/m3 (20) 21.0
 
Sept. 23, 2020, 6 p.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 4.9 μg/m3 (20) 20.0
 
Sept. 23, 2020, 5 p.m. 1.8 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 4.9 μg/m3 (20) 21.0
 
Sept. 23, 2020, 4 p.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2020, 3 p.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 4.6 μg/m3 (19) 19.0
 
Sept. 23, 2020, 2 p.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 4.2 μg/m3 (18) 18.0
 
Sept. 23, 2020, 1 p.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 4.2 μg/m3 (18) 18.0
 
Sept. 23, 2020, noon 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 23, 2020, 11 a.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 5.8 μg/m3 (24) 24.0
 
Sept. 23, 2020, 10 a.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 8.9 μg/m3 (37) 37.0
 
Sept. 23, 2020, 9 a.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 10.3 μg/m3 (43) 43.0
 
Sept. 23, 2020, 8 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 23, 2020, 7 a.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 15.6 μg/m3 (58) 58.0
 
Sept. 23, 2020, 6 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 39.0 ppb (30) N/A N/A 15.5 μg/m3 (57) 57.0
 
Sept. 23, 2020, 5 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 12.4 μg/m3 (51) 51.0
 
Sept. 23, 2020, 4 a.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 39.0 ppb (30) N/A N/A 12.2 μg/m3 (50) 50.0
 
Sept. 23, 2020, 3 a.m. 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 39.0 ppb (30) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 23, 2020, 2 a.m. 1.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 40.0 ppb (31) N/A N/A 15.2 μg/m3 (57) 57.0
 
Sept. 23, 2020, 1 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 15.2 μg/m3 (57) 57.0
 
Sept. 23, 2020, midnight 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 44.0 ppb (34) N/A N/A 13.4 μg/m3 (53) 53.0
 
Sept. 22, 2020, 11 p.m. 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 3.0 ppb (4) 47.0 ppb (36) N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 22, 2020, 10 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 50.0 ppb (38) N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 22, 2020, 9 p.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 52.0 ppb (40) N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 22, 2020, 8 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (39) N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 22, 2020, 7 p.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (39) N/A N/A 10.1 μg/m3 (42) 42.0
 
Sept. 22, 2020, 6 p.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (39) N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 22, 2020, 5 p.m. 1.8 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (38) N/A N/A 11.9 μg/m3 (50) 50.0
 
Sept. 22, 2020, 4 p.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 44.0 ppb (34) N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 22, 2020, 3 p.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 13.4 μg/m3 (53) 53.0
 
Sept. 22, 2020, 2 p.m. 3.6 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 12.1 μg/m3 (50) 50.0
 
Sept. 22, 2020, 1 p.m. 3.8 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 22, 2020, noon 3.0 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 22, 2020, 11 a.m. 3.0 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 22, 2020, 10 a.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 10.3 μg/m3 (43) 43.0
 
Sept. 22, 2020, 9 a.m. 2.3 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 22, 2020, 8 a.m. 1.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 9.2 μg/m3 (38) 38.0
 
Sept. 22, 2020, 7 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 9.3 μg/m3 (39) 39.0
 
Sept. 22, 2020, 6 a.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 22, 2020, 4 a.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 22, 2020, 3 a.m. 3.8 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 9.4 μg/m3 (39) 39.0
 
Sept. 22, 2020, 2 a.m. 4.8 ppb (4) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 9.2 μg/m3 (38) 38.0
 
Sept. 22, 2020, 1 a.m. 3.8 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 22, 2020, midnight 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 7.6 μg/m3 (32) 32.0
 
Sept. 21, 2020, 11 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 7.6 μg/m3 (32) 32.0
 
Sept. 21, 2020, 10 p.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 7.3 μg/m3 (30) 32.0
 
Sept. 21, 2020, 9 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 7.4 μg/m3 (31) 31.0
 
Sept. 21, 2020, 8 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 8.5 μg/m3 (35) 35.0
 
Sept. 21, 2020, 7 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 9.2 μg/m3 (38) 38.0
 
Sept. 21, 2020, 6 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 21, 2020, 5 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 14.7 μg/m3 (56) 56.0
 
Sept. 21, 2020, 4 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 16.3 μg/m3 (59) 59.0
 
Sept. 21, 2020, 3 p.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 20.1 μg/m3 (67) 67.0
 
Sept. 21, 2020, 2 p.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 20.3 μg/m3 (68) 68.0
 
Sept. 21, 2020, 1 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 22.3 μg/m3 (72) 72.0
 
Sept. 21, 2020, noon 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 27.0 μg/m3 (82) 82.0
 
Sept. 21, 2020, 11 a.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 29.8 μg/m3 (88) 88.0
 
Sept. 21, 2020, 10 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 30.3 μg/m3 (89) 89.0
 
Sept. 21, 2020, 9 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 34.7 μg/m3 (98) 98.0
 
Sept. 21, 2020, 8 a.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 36.1 μg/m3 (102) 102.0
 
Sept. 21, 2020, 7 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 35.1 μg/m3 (99) 99.0
 
Sept. 21, 2020, 6 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 29.5 μg/m3 (87) 87.0
 
Sept. 21, 2020, 5 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 28.7 μg/m3 (86) 86.0
 
Sept. 21, 2020, 4 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 29.9 μg/m3 (88) 88.0
 
Sept. 21, 2020, 3 a.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 26.6 μg/m3 (81) 81.0
 
Sept. 21, 2020, 2 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 25.4 μg/m3 (79) 79.0
 
Sept. 21, 2020, 1 a.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 21.4 μg/m3 (70) 70.0
 
Sept. 21, 2020, midnight 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 17.3 μg/m3 (61) 61.0
 
Sept. 20, 2020, 11 p.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 16.0 μg/m3 (59) 59.0
 
Sept. 20, 2020, 10 p.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 13.1 μg/m3 (52) 52.0
 
Sept. 20, 2020, 9 p.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 13.2 μg/m3 (53) 53.0
 
Sept. 20, 2020, 8 p.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 14.1 μg/m3 (54) 54.0
 
Sept. 20, 2020, 7 p.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 16.1 μg/m3 (59) 59.0
 
Sept. 20, 2020, 6 p.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 19.8 μg/m3 (67) 67.0
 
Sept. 20, 2020, 5 p.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 28.5 μg/m3 (85) 85.0
 
Sept. 20, 2020, 4 p.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 32.5 μg/m3 (94) 94.0
 
Sept. 20, 2020, 3 p.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 30.9 μg/m3 (90) 90.0
 
Sept. 20, 2020, 2 p.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 37.9 μg/m3 (106) 106.0
 
Sept. 20, 2020, 1 p.m. 2.9 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 24.3 μg/m3 (76) 76.0
 
Sept. 20, 2020, noon 2.8 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 16.2 μg/m3 (59) 59.0
 
Sept. 20, 2020, 11 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 15.5 μg/m3 (57) 57.0
 
Sept. 20, 2020, 10 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 15.4 μg/m3 (57) 57.0
 
Sept. 20, 2020, 9 a.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 14.6 μg/m3 (56) 56.0
 
Sept. 20, 2020, 8 a.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 14.6 μg/m3 (56) 56.0
 
Sept. 20, 2020, 7 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 14.7 μg/m3 (56) 56.0
 
Sept. 20, 2020, 6 a.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 14.6 μg/m3 (56) 56.0
 
Sept. 20, 2020, 5 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 14.3 μg/m3 (55) 55.0
 
Sept. 20, 2020, 4 a.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 13.8 μg/m3 (54) 54.0
 
Sept. 20, 2020, 3 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 20, 2020, 2 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 20, 2020, 1 a.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 14.9 μg/m3 (56) 56.0
 
Sept. 20, 2020, midnight 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 14.5 μg/m3 (55) 55.0
 
Sept. 19, 2020, 11 p.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 19, 2020, 10 p.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 12.9 μg/m3 (52) 52.0
 
Sept. 19, 2020, 9 p.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 19, 2020, 8 p.m. 1.7 ppb (2) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 11.9 μg/m3 (50) 50.0
 
Sept. 19, 2020, 7 p.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 11.7 μg/m3 (49) 49.0
 
Sept. 19, 2020, 6 p.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 19, 2020, 5 p.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 19, 2020, 4 p.m. 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 10.4 μg/m3 (43) 43.0
 
Sept. 19, 2020, 3 p.m. 2.5 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 9.7 μg/m3 (40) 40.0
 
Sept. 19, 2020, 2 p.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 9.6 μg/m3 (40) 40.0
 
Sept. 19, 2020, 1 p.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 15.6 μg/m3 (58) 58.0
 
Sept. 19, 2020, noon 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 11.9 μg/m3 (50) 50.0
 
Sept. 19, 2020, 11 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 19, 2020, 10 a.m. 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 13.1 μg/m3 (52) 52.0
 
Sept. 19, 2020, 9 a.m. 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 19, 2020, 8 a.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 13.8 μg/m3 (54) 54.0
 
Sept. 19, 2020, 7 a.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 19, 2020, 6 a.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 13.9 μg/m3 (54) 54.0
 
Sept. 19, 2020, 5 a.m. 3.2 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 14.3 μg/m3 (55) 55.0
 
Sept. 19, 2020, 4 a.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 15.0 μg/m3 (56) 56.0
 
Sept. 19, 2020, 3 a.m. 4.1 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 16.8 μg/m3 (60) 60.0
 
Sept. 19, 2020, 2 a.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 18.2 μg/m3 (63) 63.0
 
Sept. 19, 2020, 1 a.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 18.8 μg/m3 (64) 64.0
 
Sept. 19, 2020, midnight 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 18.4 μg/m3 (64) 64.0
 
Sept. 18, 2020, 11 p.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 17.1 μg/m3 (61) 61.0
 
Sept. 18, 2020, 10 p.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 16.8 μg/m3 (60) 60.0
 
Sept. 18, 2020, 9 p.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 43.0 ppb (33) N/A N/A 16.9 μg/m3 (60) 60.0
 
Sept. 18, 2020, 8 p.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 43.0 ppb (33) N/A N/A 15.3 μg/m3 (57) 57.0
 
Sept. 18, 2020, 7 p.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 15.0 μg/m3 (56) 56.0
 
Sept. 18, 2020, 6 p.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 37.0 ppb (28) N/A N/A 15.1 μg/m3 (57) 57.0
 
Sept. 18, 2020, 5 p.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 14.4 μg/m3 (55) 55.0
 
Sept. 18, 2020, 4 p.m. 2.4 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 18, 2020, 3 p.m. 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 18, 2020, 2 p.m. 2.5 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 7.8 μg/m3 (32) 32.0
 
Sept. 18, 2020, 1 p.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 7.3 μg/m3 (30) 30.0
 
Sept. 18, 2020, noon 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 7.3 μg/m3 (30) 30.0
 
Sept. 18, 2020, 11 a.m. 2.7 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 6.7 μg/m3 (28) 28.0
 
Sept. 18, 2020, 10 a.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 6.1 μg/m3 (25) 25.0
 
Sept. 18, 2020, 9 a.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 6.1 μg/m3 (25) 25.0
 
Sept. 18, 2020, 8 a.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 18, 2020, 7 a.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 6.6 μg/m3 (28) 28.0
 
Sept. 18, 2020, 6 a.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 7.3 μg/m3 (30) 30.0
 
Sept. 18, 2020, 5 a.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 18, 2020, 4 a.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 10.2 μg/m3 (42) 42.0
 
Sept. 18, 2020, 3 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 11.2 μg/m3 (47) 47.0
 
Sept. 18, 2020, 2 a.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 10.9 μg/m3 (45) 45.0
 
Sept. 18, 2020, 1 a.m. 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 11.1 μg/m3 (46) 46.0
 
Sept. 18, 2020, midnight 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 8.9 μg/m3 (37) 37.0
 
Sept. 17, 2020, 11 p.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 7.9 μg/m3 (33) 33.0
 
Sept. 17, 2020, 10 p.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2020, 9 p.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) N/A N/A 8.2 μg/m3 (34) 34.0
 
Sept. 17, 2020, 8 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 17, 2020, 7 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
Sept. 17, 2020, 6 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 17, 2020, 5 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 5.6 μg/m3 (23) 23.0
 
Sept. 17, 2020, 4 p.m. 0.8 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 4.8 μg/m3 (20) 22.0
 
Sept. 17, 2020, 3 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 4.3 μg/m3 (18) 22.0
 
Sept. 17, 2020, 2 p.m. 0.8 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 5.3 μg/m3 (22) 22.0
 
Sept. 17, 2020, 1 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 17, 2020, noon 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 17, 2020, 11 a.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 6.3 μg/m3 (26) 26.0
 
Sept. 17, 2020, 10 a.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 17, 2020, 9 a.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 17, 2020, 8 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 9.9 μg/m3 (41) 41.0
 
Sept. 17, 2020, 7 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 9.6 μg/m3 (40) 40.0
 
Sept. 17, 2020, 6 a.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 22.0 ppb (17) N/A N/A 9.2 μg/m3 (38) 38.0
 
Sept. 17, 2020, 5 a.m. 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 3.0 ppb (4) 22.0 ppb (17) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 17, 2020, 4 a.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 12.1 μg/m3 (50) 50.0
 
Sept. 17, 2020, 3 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 13.2 μg/m3 (53) 53.0
 
Sept. 17, 2020, 2 a.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 12.2 μg/m3 (50) 50.0
 
Sept. 17, 2020, 1 a.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 9.2 μg/m3 (38) 38.0
 
Sept. 17, 2020, midnight 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 5.1 μg/m3 (21) 21.0
 
Sept. 16, 2020, 11 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Sept. 16, 2020, 10 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 4.7 μg/m3 (20) 22.0