AQSQID: 400430860

Site Name: Seiling

Location: Dewey Co, OK

Reporting: True, Located: True

Current AQI: 45.0

Dewey Co OK, US: 36.1589, -98.9353

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 20.0 μg/m3 (18) 10.8 μg/m3 (45) 45.0
 
Sept. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 21.0 μg/m3 (19) 10.9 μg/m3 (45) 45.0
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 20.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 21.0 μg/m3 (19) 11.3 μg/m3 (47) 47.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 20.0 μg/m3 (18) 11.9 μg/m3 (50) 50.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 23.0 μg/m3 (21) 13.7 μg/m3 (54) 54.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 22.0 μg/m3 (20) 15.7 μg/m3 (58) 58.0
 
Sept. 17, 2019, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 23.0 μg/m3 (21) 16.3 μg/m3 (59) 59.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 24.0 μg/m3 (22) 16.2 μg/m3 (59) 59.0
 
Sept. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 23.0 μg/m3 (21) 16.0 μg/m3 (59) 59.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 24.0 μg/m3 (22) 15.9 μg/m3 (58) 58.0
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 26.0 μg/m3 (24) 16.7 μg/m3 (60) 60.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 27.0 μg/m3 (25) 16.6 μg/m3 (60) 60.0
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 31.0 μg/m3 (28) 18.1 μg/m3 (63) 63.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 29.0 μg/m3 (26) 17.8 μg/m3 (62) 62.0
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 28.0 μg/m3 (25) 17.8 μg/m3 (62) 62.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 25.0 μg/m3 (23) 16.0 μg/m3 (59) 59.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 27.0 μg/m3 (25) 15.4 μg/m3 (57) 57.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 27.0 μg/m3 (25) 14.7 μg/m3 (56) 56.0
 
Sept. 17, 2019, midnight N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 32.0 μg/m3 (29) 15.1 μg/m3 (57) 57.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 25.0 μg/m3 (23) 14.3 μg/m3 (55) 55.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 23.0 μg/m3 (21) 13.7 μg/m3 (54) 54.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 22.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 21.0 μg/m3 (19) 13.0 μg/m3 (52) 52.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 20.0 μg/m3 (18) 13.1 μg/m3 (52) 52.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 22.0 μg/m3 (20) 14.3 μg/m3 (55) 55.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 24.0 μg/m3 (22) 16.2 μg/m3 (59) 59.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 25.0 μg/m3 (23) 16.9 μg/m3 (60) 60.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 28.0 μg/m3 (25) 18.0 μg/m3 (63) 63.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 27.0 μg/m3 (25) 19.3 μg/m3 (66) 66.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 26.0 μg/m3 (24) 18.8 μg/m3 (64) 64.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 28.0 μg/m3 (25) 20.1 μg/m3 (67) 67.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 29.0 μg/m3 (26) 20.7 μg/m3 (69) 69.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 33.0 μg/m3 (30) 20.0 μg/m3 (67) 67.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 29.0 μg/m3 (26) 19.6 μg/m3 (66) 66.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 29.0 μg/m3 (26) 19.4 μg/m3 (66) 66.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 27.0 μg/m3 (25) 18.5 μg/m3 (64) 64.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 28.0 μg/m3 (25) 19.0 μg/m3 (65) 65.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 29.0 μg/m3 (26) 17.5 μg/m3 (62) 62.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 27.0 μg/m3 (25) 16.9 μg/m3 (60) 60.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 24.0 μg/m3 (22) 15.2 μg/m3 (57) 57.0
 
Sept. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 22.0 μg/m3 (20) 14.4 μg/m3 (55) 55.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 27.0 μg/m3 (25) 13.8 μg/m3 (54) 54.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A 23.0 μg/m3 (21) 14.5 μg/m3 (55) 55.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 21.0 μg/m3 (19) 14.2 μg/m3 (55) 55.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 22.0 μg/m3 (20) 14.8 μg/m3 (56) 56.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A 24.0 μg/m3 (22) 15.7 μg/m3 (58) 58.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A 25.0 μg/m3 (23) 16.2 μg/m3 (59) 59.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 26.0 μg/m3 (24) 17.7 μg/m3 (62) 62.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 27.0 μg/m3 (25) 18.6 μg/m3 (64) 64.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 27.0 μg/m3 (25) 19.5 μg/m3 (66) 66.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 28.0 μg/m3 (25) 20.7 μg/m3 (69) 69.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 29.0 μg/m3 (26) 20.7 μg/m3 (69) 69.0
 
Sept. 15, 2019, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 28.0 μg/m3 (25) 20.8 μg/m3 (69) 69.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 28.0 μg/m3 (25) 20.7 μg/m3 (69) 69.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 27.0 μg/m3 (25) 19.0 μg/m3 (65) 65.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 26.0 μg/m3 (24) 19.3 μg/m3 (66) 66.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 26.0 μg/m3 (24) 18.8 μg/m3 (64) 64.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 24.0 μg/m3 (22) 17.4 μg/m3 (61) 61.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 24.0 μg/m3 (22) 17.5 μg/m3 (62) 62.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 22.0 μg/m3 (20) 16.7 μg/m3 (60) 60.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 22.0 μg/m3 (20) 16.0 μg/m3 (59) 59.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 23.0 μg/m3 (21) 15.7 μg/m3 (58) 58.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 24.0 μg/m3 (22) 15.4 μg/m3 (57) 57.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 23.0 μg/m3 (21) 14.9 μg/m3 (56) 56.0
 
Sept. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 20.0 μg/m3 (18) 12.2 μg/m3 (50) 50.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 19.0 μg/m3 (17) 11.7 μg/m3 (49) 49.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 21.0 μg/m3 (19) 11.9 μg/m3 (50) 50.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 19.0 μg/m3 (17) 12.2 μg/m3 (50) 50.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 20.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 21.0 μg/m3 (19) 12.4 μg/m3 (51) 51.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 20.0 μg/m3 (18) 12.2 μg/m3 (50) 50.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 19.0 μg/m3 (17) 11.8 μg/m3 (49) 49.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 20.0 μg/m3 (18) 10.8 μg/m3 (45) 45.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 17.0 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
Sept. 14, 2019, 2 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) 7.4 μg/m3 (31) 31.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 11.0 μg/m3 (10) 7.2 μg/m3 (30) 30.0
 
Sept. 14, 2019, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 14.0 μg/m3 (13) 8.5 μg/m3 (35) 35.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 15.0 μg/m3 (14) 7.8 μg/m3 (32) 32.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 12.0 μg/m3 (11) 6.6 μg/m3 (28) 28.0
 
Sept. 14, 2019, 9 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) 5.9 μg/m3 (25) 25.0
 
Sept. 14, 2019, 8 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) 6.4 μg/m3 (27) 27.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 12.0 μg/m3 (11) 6.9 μg/m3 (29) 29.0
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 11.0 μg/m3 (10) 6.2 μg/m3 (26) 26.0
 
Sept. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 10.0 μg/m3 (9) 5.5 μg/m3 (23) 23.0
 
Sept. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 10.0 μg/m3 (9) 4.9 μg/m3 (20) 23.0
 
Sept. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 9.0 μg/m3 (8) 4.5 μg/m3 (19) 25.0
 
Sept. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 16.0 μg/m3 (15) 8.4 μg/m3 (35) 35.0
 
Sept. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 16.0 μg/m3 (15) 8.3 μg/m3 (35) 35.0
 
Sept. 14, 2019, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 15.0 μg/m3 (14) 7.6 μg/m3 (32) 38.0
 
Sept. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 13.0 μg/m3 (12) 7.1 μg/m3 (30) 40.0
 
Sept. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 15.0 μg/m3 (14) 6.5 μg/m3 (27) 38.0
 
Sept. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 39.0
 
Sept. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 12.0 μg/m3 (11) 5.1 μg/m3 (21) 36.0
 
Sept. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 14.0 μg/m3 (13) 5.1 μg/m3 (21) 35.0
 
Sept. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 17.0 μg/m3 (15) 6.4 μg/m3 (27) 34.0
 
Sept. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 20.0 μg/m3 (18) 9.6 μg/m3 (40) 40.0
 
Sept. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 18.0 μg/m3 (16) 10.2 μg/m3 (42) 42.0
 
Sept. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 19.0 μg/m3 (17) 11.2 μg/m3 (47) 47.0
 
Sept. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 23.0 μg/m3 (21) 14.0 μg/m3 (54) 54.0
 
Sept. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 23.0 μg/m3 (21) 14.3 μg/m3 (55) 55.0
 
Sept. 13, 2019, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 24.0 μg/m3 (22) 14.2 μg/m3 (55) 55.0
 
Sept. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 22.0 μg/m3 (20) 11.2 μg/m3 (47) 47.0
 
Sept. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 22.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 19.0 μg/m3 (17) 9.9 μg/m3 (41) 41.0
 
Sept. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 21.0 μg/m3 (19) 11.1 μg/m3 (46) 46.0
 
Sept. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 17.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
Sept. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 15.0 μg/m3 (14) 7.3 μg/m3 (30) 30.0
 
Sept. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 14.0 μg/m3 (13) 7.1 μg/m3 (30) 30.0
 
Sept. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 12.0 μg/m3 (11) 5.3 μg/m3 (22) 22.0
 
Sept. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 11.0 μg/m3 (10) 4.9 μg/m3 (20) 20.0
 
Sept. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 12.0 μg/m3 (11) 4.4 μg/m3 (18) 18.0
 
Sept. 13, 2019, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 10.0 μg/m3 (9) 4.8 μg/m3 (20) 21.0
 
Sept. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 9.0 μg/m3 (8) 5.2 μg/m3 (22) 22.0
 
Sept. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 11.0 μg/m3 (10) 5.6 μg/m3 (23) 23.0
 
Sept. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 13.0 μg/m3 (12) 5.8 μg/m3 (24) 25.0
 
Sept. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 17.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
Sept. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 17.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
Sept. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 17.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
Sept. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 15.0 μg/m3 (14) 7.2 μg/m3 (30) 30.0
 
Sept. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 14.0 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
Sept. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 11.0 μg/m3 (10) 5.8 μg/m3 (24) 24.0
 
Sept. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 12.0 μg/m3 (11) 6.4 μg/m3 (27) 27.0
 
Sept. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 13.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
Sept. 12, 2019, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 16.0 μg/m3 (15) 6.8 μg/m3 (28) 28.0
 
Sept. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 16.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
Sept. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 17.0 μg/m3 (15) 7.4 μg/m3 (31) 31.0
 
Sept. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 16.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
Sept. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 18.0 μg/m3 (16) 7.3 μg/m3 (30) 30.0
 
Sept. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 15.0 μg/m3 (14) 6.9 μg/m3 (29) 29.0
 
Sept. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 18.0 μg/m3 (16) 7.7 μg/m3 (32) 32.0
 
Sept. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 18.0 μg/m3 (16) 7.7 μg/m3 (32) 32.0
 
Sept. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 17.0 μg/m3 (15) 7.7 μg/m3 (32) 32.0
 
Sept. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 20.0 μg/m3 (18) 7.6 μg/m3 (32) 32.0
 
Sept. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 19.0 μg/m3 (17) 7.4 μg/m3 (31) 31.0
 
Sept. 12, 2019, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 21.0 μg/m3 (19) 7.2 μg/m3 (30) 30.0
 
Sept. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 22.0 μg/m3 (20) 7.5 μg/m3 (31) 31.0
 
Sept. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 22.0 μg/m3 (20) 7.2 μg/m3 (30) 30.0
 
Sept. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 22.0 μg/m3 (20) 6.7 μg/m3 (28) 30.0
 
Sept. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 19.0 μg/m3 (17) 6.4 μg/m3 (27) 31.0
 
Sept. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 21.0 μg/m3 (19) 6.2 μg/m3 (26) 32.0
 
Sept. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 20.0 μg/m3 (18) 6.3 μg/m3 (26) 32.0
 
Sept. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 19.0 μg/m3 (17) 6.1 μg/m3 (25) 30.0
 
Sept. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 6.5 μg/m3 (27) 27.0
 
Sept. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.4 μg/m3 (27) 27.0
 
Sept. 11, 2019, 1 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) 6.7 μg/m3 (28) 28.0
 
Sept. 11, 2019, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 14.0 μg/m3 (13) 7.3 μg/m3 (30) 30.0
 
Sept. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 16.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
Sept. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 18.0 μg/m3 (16) 8.7 μg/m3 (36) 36.0
 
Sept. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 21.0 μg/m3 (19) 9.3 μg/m3 (39) 39.0
 
Sept. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 23.0 μg/m3 (21) 11.1 μg/m3 (46) 46.0
 
Sept. 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 22.0 μg/m3 (20) 12.1 μg/m3 (50) 50.0
 
Sept. 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 20.0 μg/m3 (18) 11.2 μg/m3 (47) 47.0
 
Sept. 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 22.0 μg/m3 (20) 11.5 μg/m3 (48) 48.0
 
Sept. 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 22.0 μg/m3 (20) 10.7 μg/m3 (45) 45.0
 
Sept. 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 20.0 μg/m3 (18) 6.1 μg/m3 (25) 25.0
 
Sept. 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 20.0 μg/m3 (18) 6.3 μg/m3 (26) 26.0
 
Sept. 11, 2019, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 24.0 μg/m3 (22) 6.6 μg/m3 (28) 28.0
 
Sept. 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 21.0 μg/m3 (19) 6.3 μg/m3 (26) 30.0
 
Sept. 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 23.0 μg/m3 (21) 7.2 μg/m3 (30) 32.0
 
Sept. 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 22.0 μg/m3 (20) 7.1 μg/m3 (30) 32.0
 
Sept. 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 21.0 μg/m3 (19) 6.9 μg/m3 (29) 31.0
 
Sept. 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 21.0 μg/m3 (19) 6.5 μg/m3 (27) 31.0