ID: 1100

AQSQID: 400430860

Site Name: Seiling

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

Updated: Sept. 23, 2020, 8:38 a.m.

Location: Seiling (Co Rd), OK

Reporting: True, Located: True

Current AQI: 18.0

Seiling (Co Rd) OK, US: 36.1589, -98.9353

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 8.0 μg/m3 (7) 4.4 μg/m3 (18) 18.0
 
Sept. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 10.0 μg/m3 (9) 5.4 μg/m3 (23) 23.0
 
Sept. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 10.0 μg/m3 (9) 5.2 μg/m3 (22) 22.0
 
Sept. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 9.0 μg/m3 (8) 4.7 μg/m3 (20) 20.0
 
Sept. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 9.0 μg/m3 (8) 4.1 μg/m3 (17) 18.0
 
Sept. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 11.0 μg/m3 (10) 3.9 μg/m3 (16) 16.0
 
Sept. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 10.0 μg/m3 (9) 3.6 μg/m3 (15) 15.0
 
Sept. 23, 2020, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 9.0 μg/m3 (8) 3.6 μg/m3 (15) 19.0
 
Sept. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 12.0 μg/m3 (11) 4.2 μg/m3 (18) 21.0
 
Sept. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 16.0 μg/m3 (15) 5.8 μg/m3 (24) 24.0
 
Sept. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 27.0 μg/m3 (25) 13.2 μg/m3 (53) 53.0
 
Sept. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 28.0 μg/m3 (25) 12.5 μg/m3 (51) 51.0
 
Sept. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 25.0 μg/m3 (23) 14.0 μg/m3 (54) 54.0
 
Sept. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 33.0 μg/m3 (30) 16.1 μg/m3 (59) 59.0
 
Sept. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 31.0 μg/m3 (28) 16.1 μg/m3 (59) 59.0
 
Sept. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 32.0 μg/m3 (29) 17.5 μg/m3 (62) 62.0
 
Sept. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 35.0 μg/m3 (32) 17.6 μg/m3 (62) 62.0
 
Sept. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 38.0 μg/m3 (35) 20.7 μg/m3 (69) 69.0
 
Sept. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 46.0 μg/m3 (42) 23.2 μg/m3 (74) 74.0
 
Sept. 22, 2020, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 42.0 μg/m3 (38) 24.6 μg/m3 (77) 77.0
 
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 43.0 μg/m3 (39) 24.1 μg/m3 (76) 76.0
 
Sept. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 41.0 μg/m3 (37) 22.8 μg/m3 (73) 73.0
 
Sept. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 40.0 μg/m3 (36) 21.6 μg/m3 (70) 70.0
 
Sept. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 41.0 μg/m3 (37) 22.7 μg/m3 (73) 73.0
 
Sept. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 40.0 μg/m3 (36) 21.0 μg/m3 (69) 69.0
 
Sept. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 40.0 μg/m3 (36) 21.5 μg/m3 (70) 70.0
 
Sept. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 42.0 μg/m3 (38) 21.9 μg/m3 (71) 71.0
 
Sept. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 51.0 μg/m3 (46) 20.9 μg/m3 (69) 69.0
 
Sept. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 47.0 μg/m3 (43) 22.0 μg/m3 (71) 71.0
 
Sept. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 48.0 μg/m3 (44) 23.9 μg/m3 (75) 75.0
 
Sept. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 45.0 μg/m3 (41) 23.8 μg/m3 (75) 75.0
 
Sept. 22, 2020, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 39.0 μg/m3 (35) 19.8 μg/m3 (67) 67.0
 
Sept. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 37.0 μg/m3 (34) 17.5 μg/m3 (62) 62.0
 
Sept. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 34.0 μg/m3 (31) 17.7 μg/m3 (62) 62.0
 
Sept. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 32.0 μg/m3 (29) 17.9 μg/m3 (63) 63.0
 
Sept. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 31.0 μg/m3 (28) 19.1 μg/m3 (65) 65.0
 
Sept. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 34.0 μg/m3 (31) 20.0 μg/m3 (67) 67.0
 
Sept. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 31.0 μg/m3 (28) 18.8 μg/m3 (64) 64.0
 
Sept. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 30.0 μg/m3 (27) 18.0 μg/m3 (63) 63.0
 
Sept. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 31.0 μg/m3 (28) 18.6 μg/m3 (64) 64.0
 
Sept. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 32.0 μg/m3 (29) 19.8 μg/m3 (67) 67.0
 
Sept. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 29.0 μg/m3 (26) 16.8 μg/m3 (60) 60.0
 
Sept. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 34.0 μg/m3 (31) 17.0 μg/m3 (61) 61.0
 
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 33.0 μg/m3 (30) 17.2 μg/m3 (61) 61.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 30.0 μg/m3 (27) 16.9 μg/m3 (60) 60.0
 
Sept. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 34.0 μg/m3 (31) 17.8 μg/m3 (62) 62.0
 
Sept. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 35.0 μg/m3 (32) 17.2 μg/m3 (61) 61.0
 
Sept. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 34.0 μg/m3 (31) 17.1 μg/m3 (61) 61.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 33.0 μg/m3 (30) 16.6 μg/m3 (60) 60.0
 
Sept. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 32.0 μg/m3 (29) 15.0 μg/m3 (56) 56.0
 
Sept. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 33.0 μg/m3 (30) 15.6 μg/m3 (58) 58.0
 
Sept. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 37.0 μg/m3 (34) 18.2 μg/m3 (63) 63.0
 
Sept. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 43.0 μg/m3 (39) 21.7 μg/m3 (71) 71.0
 
Sept. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 59.0 μg/m3 (52) 28.5 μg/m3 (85) 85.0
 
Sept. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 64.0 μg/m3 (54) 32.9 μg/m3 (94) 94.0
 
Sept. 21, 2020, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 59.0 μg/m3 (52) 31.7 μg/m3 (92) 92.0
 
Sept. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 59.0 μg/m3 (52) 34.6 μg/m3 (98) 98.0
 
Sept. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 66.0 μg/m3 (56) 38.8 μg/m3 (108) 108.0
 
Sept. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 59.0 μg/m3 (52) 35.7 μg/m3 (100) 100.0
 
Sept. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 59.0 μg/m3 (52) 33.6 μg/m3 (96) 96.0
 
Sept. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 56.0 μg/m3 (50) 32.3 μg/m3 (93) 93.0
 
Sept. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 53.0 μg/m3 (48) 30.6 μg/m3 (90) 90.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 51.0 μg/m3 (46) 29.7 μg/m3 (88) 88.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 54.0 μg/m3 (49) 30.1 μg/m3 (89) 89.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 50.0 μg/m3 (45) 29.8 μg/m3 (88) 88.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 51.0 μg/m3 (46) 31.4 μg/m3 (91) 91.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 55.0 μg/m3 (50) 33.2 μg/m3 (95) 95.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 57.0 μg/m3 (51) 34.1 μg/m3 (97) 97.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 57.0 μg/m3 (51) 34.5 μg/m3 (98) 98.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 58.0 μg/m3 (52) 35.1 μg/m3 (99) 99.0
 
Sept. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 58.0 μg/m3 (52) 34.1 μg/m3 (97) 97.0
 
Sept. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 57.0 μg/m3 (51) 34.1 μg/m3 (97) 97.0
 
Sept. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 58.0 μg/m3 (52) 33.7 μg/m3 (96) 96.0
 
Sept. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 56.0 μg/m3 (50) 33.6 μg/m3 (96) 96.0
 
Sept. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 57.0 μg/m3 (51) 33.4 μg/m3 (96) 96.0
 
Sept. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 64.0 μg/m3 (54) 33.2 μg/m3 (95) 95.0
 
Sept. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 62.0 μg/m3 (54) 34.4 μg/m3 (98) 98.0
 
Sept. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 63.0 μg/m3 (54) 34.3 μg/m3 (97) 97.0
 
Sept. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 59.0 μg/m3 (52) 33.8 μg/m3 (96) 96.0
 
Sept. 20, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 65.0 μg/m3 (55) 35.6 μg/m3 (100) 100.0
 
Sept. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 61.0 μg/m3 (53) 35.8 μg/m3 (101) 101.0
 
Sept. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 63.0 μg/m3 (54) 37.2 μg/m3 (104) 104.0
 
Sept. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 65.0 μg/m3 (55) 38.8 μg/m3 (108) 108.0
 
Sept. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 63.0 μg/m3 (54) 36.4 μg/m3 (102) 102.0
 
Sept. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 58.0 μg/m3 (52) 34.3 μg/m3 (97) 97.0
 
Sept. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 54.0 μg/m3 (49) 32.3 μg/m3 (93) 93.0
 
Sept. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 53.0 μg/m3 (48) 31.6 μg/m3 (92) 92.0
 
Sept. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 49.0 μg/m3 (45) 27.8 μg/m3 (84) 84.0
 
Sept. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 45.0 μg/m3 (41) 24.0 μg/m3 (76) 76.0
 
Sept. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 50.0 μg/m3 (45) 23.6 μg/m3 (75) 75.0
 
Sept. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 48.0 μg/m3 (44) 23.7 μg/m3 (75) 75.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 47.0 μg/m3 (43) 24.5 μg/m3 (77) 77.0
 
Sept. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 44.0 μg/m3 (40) 22.0 μg/m3 (71) 71.0
 
Sept. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 47.0 μg/m3 (43) 22.7 μg/m3 (73) 73.0
 
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 44.0 μg/m3 (40) 21.7 μg/m3 (71) 71.0
 
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 46.0 μg/m3 (42) 22.2 μg/m3 (72) 72.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 41.0 μg/m3 (37) 20.7 μg/m3 (69) 69.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 54.0 μg/m3 (49) 22.4 μg/m3 (72) 72.0
 
Sept. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 52.0 μg/m3 (47) 21.3 μg/m3 (70) 70.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 63.0 μg/m3 (54) 22.6 μg/m3 (73) 73.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 54.0 μg/m3 (49) 21.0 μg/m3 (69) 69.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 91.0 μg/m3 (68) 24.5 μg/m3 (77) 77.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 67.0 μg/m3 (56) 21.5 μg/m3 (70) 70.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 81.0 μg/m3 (63) 22.1 μg/m3 (71) 71.0
 
Sept. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 55.0 μg/m3 (50) 21.6 μg/m3 (70) 70.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 55.0 μg/m3 (50) 21.8 μg/m3 (71) 71.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 46.0 μg/m3 (42) 19.4 μg/m3 (66) 66.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 36.0 μg/m3 (33) 15.3 μg/m3 (57) 57.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 32.0 μg/m3 (29) 12.5 μg/m3 (51) 51.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 30.0 μg/m3 (27) 12.3 μg/m3 (51) 51.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 38.0 μg/m3 (35) 14.8 μg/m3 (56) 56.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 35.0 μg/m3 (32) 14.8 μg/m3 (56) 56.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 35.0 μg/m3 (32) 15.2 μg/m3 (57) 57.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 51.0 μg/m3 (46) 19.9 μg/m3 (67) 67.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 76.0 μg/m3 (60) 23.6 μg/m3 (75) 75.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 49.0 μg/m3 (45) 21.4 μg/m3 (70) 70.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 49.0 μg/m3 (45) 24.3 μg/m3 (76) 76.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 44.0 μg/m3 (40) 22.6 μg/m3 (73) 73.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 49.0 μg/m3 (45) 23.8 μg/m3 (75) 75.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 41.0 μg/m3 (37) 19.5 μg/m3 (66) 66.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 46.0 μg/m3 (42) 20.7 μg/m3 (69) 69.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 41.0 μg/m3 (37) 18.2 μg/m3 (63) 63.0
 
Sept. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 44.0 μg/m3 (40) 18.0 μg/m3 (63) 63.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 43.0 μg/m3 (39) 17.3 μg/m3 (61) 61.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 46.0 μg/m3 (42) 17.3 μg/m3 (61) 61.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 43.0 μg/m3 (39) 16.2 μg/m3 (59) 59.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 55.0 μg/m3 (50) 16.6 μg/m3 (60) 60.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 73.0 μg/m3 (59) 22.8 μg/m3 (73) 73.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 55.0 μg/m3 (50) 35.2 μg/m3 (99) 99.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 42.0 μg/m3 (38) 25.5 μg/m3 (79) 79.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 35.0 μg/m3 (32) 19.4 μg/m3 (66) 66.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 28.0 μg/m3 (25) 14.3 μg/m3 (55) 55.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 28.0 μg/m3 (25) 14.3 μg/m3 (55) 55.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 32.0 μg/m3 (29) 17.3 μg/m3 (61) 61.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 50.0 μg/m3 (45) 26.5 μg/m3 (81) 81.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 66.0 μg/m3 (56) 32.6 μg/m3 (94) 94.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 66.0 μg/m3 (56) 34.2 μg/m3 (97) 97.0
 
Sept. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 62.0 μg/m3 (54) 33.7 μg/m3 (96) 96.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 56.0 μg/m3 (50) 29.4 μg/m3 (87) 87.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 60.0 μg/m3 (52) 23.9 μg/m3 (75) 75.0
 
Sept. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 39.0 μg/m3 (35) 19.4 μg/m3 (66) 66.0
 
Sept. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 28.0 μg/m3 (25) 14.6 μg/m3 (56) 56.0
 
Sept. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 23.0 μg/m3 (21) 13.2 μg/m3 (53) 53.0
 
Sept. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 27.0 μg/m3 (25) 14.3 μg/m3 (55) 55.0
 
Sept. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 24.0 μg/m3 (22) 13.0 μg/m3 (52) 52.0
 
Sept. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 25.0 μg/m3 (23) 11.5 μg/m3 (48) 48.0
 
Sept. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 27.0 μg/m3 (25) 11.4 μg/m3 (48) 48.0
 
Sept. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 28.0 μg/m3 (25) 10.9 μg/m3 (45) 45.0
 
Sept. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 30.0 μg/m3 (27) 10.6 μg/m3 (44) 44.0
 
Sept. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 29.0 μg/m3 (26) 9.6 μg/m3 (40) 40.0
 
Sept. 17, 2020, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 29.0 μg/m3 (26) 9.7 μg/m3 (40) 40.0
 
Sept. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 24.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 19.0 μg/m3 (17) 9.6 μg/m3 (40) 40.0
 
Sept. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 17.0 μg/m3 (15) 9.4 μg/m3 (39) 42.0
 
Sept. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 17.0 μg/m3 (15) 9.7 μg/m3 (40) 41.0
 
Sept. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 18.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 18.0 μg/m3 (16) 9.7 μg/m3 (40) 41.0
 
Sept. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 19.0 μg/m3 (17) 9.8 μg/m3 (41) 41.0
 
Sept. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 19.0 μg/m3 (17) 10.7 μg/m3 (45) 45.0
 
Sept. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Sept. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 11.8 μg/m3 (49) 49.0
 
Sept. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 24.0 μg/m3 (22) 13.9 μg/m3 (54) 54.0
 
Sept. 16, 2020, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 24.0 μg/m3 (22) 14.3 μg/m3 (55) 55.0
 
Sept. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 22.0 μg/m3 (20) 13.7 μg/m3 (54) 54.0
 
Sept. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 23.0 μg/m3 (21) 14.0 μg/m3 (54) 54.0
 
Sept. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 13.8 μg/m3 (54) 54.0
 
Sept. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 24.0 μg/m3 (22) 13.6 μg/m3 (53) 53.0