AQSQID: 400019009

Site Name: Stilwell Castnet & Ncore

Location: Adair Co, OK

Reporting: True, Located: True

Current AQI: 54.0

Adair Co OK, US: 35.750599, -94.669701

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 1.6 ppb (1) N/A N/A 1.0 ppb (1) N/A 0.33 ppb (4) 24.0 μg/m3 (22) 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2019, 6 p.m. N/A N/A 1.6 ppb (1) N/A N/A 1.0 ppb (1) N/A 0.23 ppb (3) 24.0 μg/m3 (22) 13.1 μg/m3 (52) 52.0
 
Sept. 17, 2019, 5 p.m. N/A N/A 1.7 ppb (2) N/A N/A 1.0 ppb (1) N/A 0.07 ppb (1) 24.0 μg/m3 (22) 8.3 μg/m3 (35) 35.0
 
Sept. 17, 2019, 4 p.m. N/A N/A 1.7 ppb (2) N/A N/A 1.0 ppb (1) N/A 0.02 ppb (0) 33.0 μg/m3 (30) 10.8 μg/m3 (45) 45.0
 
Sept. 17, 2019, 3 p.m. N/A N/A 1.8 ppb (2) N/A N/A 1.0 ppb (1) 42.0 ppb (32) 0.09 ppb (1) 36.0 μg/m3 (33) 14.8 μg/m3 (56) 56.0
 
Sept. 17, 2019, 2 p.m. N/A N/A 1.9 ppb (2) N/A N/A 1.0 ppb (1) 38.0 ppb (29) 0.15 ppb (2) 28.0 μg/m3 (25) 11.2 μg/m3 (47) 47.0
 
Sept. 17, 2019, 1 p.m. N/A N/A 3.2 ppb (3) N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.04 ppb (0) 25.0 μg/m3 (23) 11.9 μg/m3 (50) 50.0
 
Sept. 17, 2019, noon N/A N/A 2.7 ppb (3) N/A N/A 1.0 ppb (1) 17.0 ppb (13) 0.05 ppb (1) 24.0 μg/m3 (22) 6.3 μg/m3 (26) 26.0
 
Sept. 17, 2019, 11 a.m. N/A N/A 2.1 ppb (2) N/A N/A 1.0 ppb (1) 14.0 ppb (11) 0.04 ppb (0) 22.0 μg/m3 (20) 7.9 μg/m3 (33) 33.0
 
Sept. 17, 2019, 10 a.m. N/A N/A 1.6 ppb (1) N/A N/A 1.0 ppb (1) 16.0 ppb (12) 0.04 ppb (0) 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 20.0 ppb (15) 0.14 ppb (2) 19.0 μg/m3 (17) 7.1 μg/m3 (30) 30.0
 
Sept. 17, 2019, 8 a.m. N/A N/A 1.7 ppb (2) N/A N/A 1.0 ppb (1) 16.0 ppb (12) 0.15 ppb (2) 18.0 μg/m3 (16) 9.8 μg/m3 (41) 41.0
 
Sept. 17, 2019, 7 a.m. N/A N/A 1.7 ppb (2) N/A N/A 1.0 ppb (1) 23.0 ppb (18) 0.17 ppb (2) 20.0 μg/m3 (18) 14.7 μg/m3 (56) 56.0
 
Sept. 17, 2019, 6 a.m. N/A N/A 2.0 ppb (2) N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.16 ppb (2) 21.0 μg/m3 (19) 10.3 μg/m3 (43) 43.0
 
Sept. 17, 2019, 5 a.m. N/A N/A 2.7 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.33 ppb (4) 21.0 μg/m3 (19) 9.1 μg/m3 (38) 38.0
 
Sept. 17, 2019, 4 a.m. N/A N/A 3.2 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.32 ppb (4) 24.0 μg/m3 (22) 8.1 μg/m3 (34) 34.0
 
Sept. 17, 2019, 3 a.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.33 ppb (4) 38.0 μg/m3 (35) 8.0 μg/m3 (33) 35.0
 
Sept. 17, 2019, 2 a.m. N/A N/A 1.8 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.26 ppb (3) 24.0 μg/m3 (22) 6.1 μg/m3 (25) 25.0
 
Sept. 17, 2019, 1 a.m. N/A N/A 1.6 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A 26.0 μg/m3 (24) 17.4 μg/m3 (61) 61.0
 
Sept. 17, 2019, midnight N/A N/A 4.9 ppb (5) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 2.02 ppb (22) 37.0 μg/m3 (34) 12.3 μg/m3 (51) 51.0
 
Sept. 16, 2019, 11 p.m. N/A N/A 5.2 ppb (5) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 1.2 ppb (13) 30.0 μg/m3 (27) 13.9 μg/m3 (54) 54.0
 
Sept. 16, 2019, 10 p.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.15 ppb (2) 27.0 μg/m3 (25) 10.2 μg/m3 (42) 42.0
 
Sept. 16, 2019, 9 p.m. N/A N/A 1.7 ppb (2) N/A N/A -1.0 ppb (0) 53.0 ppb (41) 0.15 ppb (2) 27.0 μg/m3 (25) 12.8 μg/m3 (52) 52.0
 
Sept. 16, 2019, 8 p.m. N/A N/A 2.0 ppb (2) N/A N/A -1.0 ppb (0) 52.0 ppb (40) 0.27 ppb (3) 24.0 μg/m3 (22) 14.9 μg/m3 (56) 56.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 16, 2019, 3 p.m. N/A N/A 2.3 ppb (2) N/A N/A N/A 42.0 ppb (32) N/A N/A 15.0 μg/m3 (56) 56.0
 
Sept. 16, 2019, 2 p.m. N/A N/A 2.8 ppb (3) N/A N/A N/A 36.0 ppb (28) N/A 28.0 μg/m3 (25) 19.0 μg/m3 (65) 65.0
 
Sept. 16, 2019, 1 p.m. N/A N/A 3.9 ppb (4) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.33 ppb (4) 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2019, noon N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 8.0 ppb (6) 0.36 ppb (4) 26.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2019, 11 a.m. N/A N/A 2.1 ppb (2) N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.36 ppb (4) 22.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2019, 10 a.m. N/A N/A 2.4 ppb (2) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.34 ppb (4) 21.0 μg/m3 (19) 12.0 μg/m3 (50) 50.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.33 ppb (4) 22.0 μg/m3 (20) 17.0 μg/m3 (61) 61.0
 
Sept. 16, 2019, 8 a.m. N/A N/A 1.4 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.32 ppb (4) 32.0 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
Sept. 16, 2019, 7 a.m. N/A N/A 1.4 ppb (1) N/A N/A N/A 34.0 ppb (26) N/A 23.0 μg/m3 (21) 14.0 μg/m3 (54) 54.0
 
Sept. 16, 2019, 6 a.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.34 ppb (4) 22.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Sept. 16, 2019, 5 a.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 26.0 μg/m3 (24) 17.0 μg/m3 (61) 61.0
 
Sept. 16, 2019, 4 a.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) 24.0 μg/m3 (22) 15.0 μg/m3 (56) 56.0
 
Sept. 16, 2019, 3 a.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.38 ppb (4) 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2019, 2 a.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.37 ppb (4) 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2019, 1 a.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) 34.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2019, midnight N/A N/A 1.6 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A 26.0 μg/m3 (24) 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 11 p.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.09 ppb (1) 28.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
Sept. 15, 2019, 10 p.m. N/A N/A 1.6 ppb (1) N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.18 ppb (2) 29.0 μg/m3 (26) 16.0 μg/m3 (59) 59.0
 
Sept. 15, 2019, 9 p.m. N/A N/A 1.6 ppb (1) N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.34 ppb (4) 29.0 μg/m3 (26) 18.0 μg/m3 (63) 63.0
 
Sept. 15, 2019, 8 p.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.34 ppb (4) 32.0 μg/m3 (29) 14.0 μg/m3 (54) 54.0
 
Sept. 15, 2019, 7 p.m. N/A N/A 1.6 ppb (1) N/A N/A 1.0 ppb (1) 51.0 ppb (39) 0.29 ppb (3) 35.0 μg/m3 (32) 19.0 μg/m3 (65) 65.0
 
Sept. 15, 2019, 6 p.m. N/A N/A 1.5 ppb (1) N/A N/A 1.0 ppb (1) 51.0 ppb (39) 0.22 ppb (2) 35.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
Sept. 15, 2019, 5 p.m. N/A N/A 1.5 ppb (1) N/A N/A 1.0 ppb (1) 47.0 ppb (36) 0.09 ppb (1) 33.0 μg/m3 (30) 14.0 μg/m3 (54) 54.0
 
Sept. 15, 2019, 4 p.m. N/A N/A 1.5 ppb (1) N/A N/A 1.0 ppb (1) 44.0 ppb (34) 0.08 ppb (1) 34.0 μg/m3 (31) 13.0 μg/m3 (52) 52.0
 
Sept. 15, 2019, 3 p.m. N/A N/A 1.5 ppb (1) N/A N/A 1.0 ppb (1) 44.0 ppb (34) 0.04 ppb (0) 33.0 μg/m3 (30) 14.0 μg/m3 (54) 54.0
 
Sept. 15, 2019, 2 p.m. N/A N/A 1.5 ppb (1) N/A N/A 1.0 ppb (1) 39.0 ppb (30) 0.11 ppb (1) 31.0 μg/m3 (28) 14.0 μg/m3 (54) 54.0
 
Sept. 15, 2019, 1 p.m. N/A N/A 1.3 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) 23.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, noon N/A N/A 1.3 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.14 ppb (2) 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 11 a.m. N/A N/A 1.3 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.12 ppb (1) 26.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
Sept. 15, 2019, 10 a.m. N/A N/A 1.2 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.13 ppb (1) 21.0 μg/m3 (19) 6.0 μg/m3 (25) 28.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.14 ppb (2) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 28.0
 
Sept. 15, 2019, 8 a.m. N/A N/A 1.6 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.14 ppb (2) 21.0 μg/m3 (19) 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 7 a.m. N/A N/A 1.6 ppb (1) N/A N/A N/A 34.0 ppb (26) N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 6 a.m. N/A N/A 1.6 ppb (1) N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.1 ppb (1) 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 5 a.m. N/A N/A 1.7 ppb (2) N/A N/A 1.0 ppb (1) N/A 0.17 ppb (2) 21.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2019, 4 a.m. N/A N/A 1.7 ppb (2) N/A N/A 1.0 ppb (1) N/A 0.18 ppb (2) 21.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2019, 3 a.m. N/A N/A 1.8 ppb (2) N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.19 ppb (2) 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2019, 2 a.m. N/A N/A 1.6 ppb (1) N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.16 ppb (2) 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 1 a.m. N/A N/A 1.6 ppb (1) N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.2 ppb (2) 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, midnight N/A N/A 1.5 ppb (1) N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.2 ppb (2) 29.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, 11 p.m. N/A N/A 1.5 ppb (1) N/A N/A 1.0 ppb (1) 42.0 ppb (32) 0.14 ppb (2) 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 10 p.m. N/A N/A 1.4 ppb (1) N/A N/A 1.0 ppb (1) 47.0 ppb (36) 0.14 ppb (2) 26.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, 9 p.m. N/A N/A 1.4 ppb (1) N/A N/A 1.0 ppb (1) 47.0 ppb (36) 0.22 ppb (2) 27.0 μg/m3 (25) 6.0 μg/m3 (25) 36.0
 
Sept. 14, 2019, 8 p.m. N/A N/A 1.3 ppb (1) N/A N/A 1.0 ppb (1) 47.0 ppb (36) 0.21 ppb (2) 24.0 μg/m3 (22) 7.0 μg/m3 (29) 36.0
 
Sept. 14, 2019, 7 p.m. N/A N/A 1.2 ppb (1) N/A N/A 1.0 ppb (1) 43.0 ppb (33) 0.19 ppb (2) 20.0 μg/m3 (18) 4.0 μg/m3 (17) 33.0
 
Sept. 14, 2019, 6 p.m. N/A N/A 1.0 ppb (1) N/A N/A 1.0 ppb (1) 40.0 ppb (31) 0.2 ppb (2) 19.0 μg/m3 (17) 5.0 μg/m3 (21) 31.0
 
Sept. 14, 2019, 5 p.m. N/A N/A 0.9 ppb (1) N/A N/A 1.0 ppb (1) 37.0 ppb (28) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 28.0
 
Sept. 14, 2019, 4 p.m. N/A N/A 0.8 ppb (1) N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 27.0
 
Sept. 14, 2019, 3 p.m. N/A N/A 0.7 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (8) 24.0
 
Sept. 14, 2019, 2 p.m. N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.07 ppb (1) 16.0 μg/m3 (15) 2.0 μg/m3 (8) 23.0
 
Sept. 14, 2019, 1 p.m. N/A N/A 0.6 ppb (1) N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.22 ppb (2) 17.0 μg/m3 (15) 2.0 μg/m3 (8) 24.0
 
Sept. 14, 2019, noon N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.24 ppb (3) 19.0 μg/m3 (17) 4.0 μg/m3 (17) 23.0
 
Sept. 14, 2019, 11 a.m. N/A N/A 0.7 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.26 ppb (3) 11.0 μg/m3 (10) 4.0 μg/m3 (17) 22.0
 
Sept. 14, 2019, 10 a.m. N/A N/A 0.7 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.26 ppb (3) 14.0 μg/m3 (13) 3.0 μg/m3 (12) 22.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.28 ppb (3) 15.0 μg/m3 (14) -1.0 μg/m3 (0) 17.0
 
Sept. 14, 2019, 8 a.m. N/A N/A 2.1 ppb (2) N/A N/A 1.0 ppb (1) 18.0 ppb (14) 0.26 ppb (3) 14.0 μg/m3 (13) 0.0 μg/m3 (0) 14.0
 
Sept. 14, 2019, 7 a.m. N/A N/A 2.4 ppb (2) N/A N/A N/A 13.0 ppb (10) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (8) 14.0
 
Sept. 14, 2019, 6 a.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.27 ppb (3) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 9.0
 
Sept. 14, 2019, 5 a.m. N/A N/A 4.1 ppb (4) N/A N/A 0.0 ppb (0) N/A 0.07 ppb (1) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
Sept. 14, 2019, 4 a.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.04 ppb (0) 5.0 μg/m3 (5) -2.0 μg/m3 (0) 5.0
 
Sept. 14, 2019, 3 a.m. N/A N/A 2.5 ppb (2) N/A N/A 0.0 ppb (0) 9.0 ppb (7) 0.04 ppb (0) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 7.0
 
Sept. 14, 2019, 2 a.m. N/A N/A 2.5 ppb (2) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.03 ppb (0) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 12.0
 
Sept. 14, 2019, 1 a.m. N/A N/A 2.1 ppb (2) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.11 ppb (1) 4.0 μg/m3 (4) -3.0 μg/m3 (0) 14.0
 
Sept. 14, 2019, midnight N/A N/A 1.8 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.08 ppb (1) 6.0 μg/m3 (5) -3.0 μg/m3 (0) 19.0
 
Sept. 13, 2019, 11 p.m. N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.05 ppb (1) 6.0 μg/m3 (5) -1.0 μg/m3 (0) 25.0
 
Sept. 13, 2019, 10 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.06 ppb (1) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 25.0
 
Sept. 13, 2019, 9 p.m. N/A N/A 2.2 ppb (2) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.19 ppb (2) 7.0 μg/m3 (6) -1.0 μg/m3 (0) 26.0
 
Sept. 13, 2019, 8 p.m. N/A N/A 2.3 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.24 ppb (3) 10.0 μg/m3 (9) 0.0 μg/m3 (0) 23.0
 
Sept. 13, 2019, 7 p.m. N/A N/A 2.5 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.23 ppb (3) 13.0 μg/m3 (12) 2.0 μg/m3 (8) 22.0
 
Sept. 13, 2019, 6 p.m. N/A N/A 2.9 ppb (3) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.21 ppb (2) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 22.0
 
Sept. 13, 2019, 5 p.m. N/A N/A 2.7 ppb (3) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 18.0
 
Sept. 13, 2019, 4 p.m. N/A N/A 2.6 ppb (2) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.15 ppb (2) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 25.0
 
Sept. 13, 2019, 3 p.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.16 ppb (2) 7.0 μg/m3 (6) 0.0 μg/m3 (0) 26.0
 
Sept. 13, 2019, 2 p.m. N/A N/A 3.7 ppb (3) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.19 ppb (2) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 25.0
 
Sept. 13, 2019, 1 p.m. N/A N/A 3.9 ppb (4) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Sept. 13, 2019, noon N/A N/A 3.7 ppb (3) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.21 ppb (2) 10.0 μg/m3 (9) 3.0 μg/m3 (12) 15.0
 
Sept. 13, 2019, 11 a.m. N/A N/A 3.7 ppb (3) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.22 ppb (2) 8.0 μg/m3 (7) 0.0 μg/m3 (0) 16.0
 
Sept. 13, 2019, 10 a.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.21 ppb (2) 10.0 μg/m3 (9) -1.0 μg/m3 (0) 17.0
 
Sept. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.22 ppb (2) 10.0 μg/m3 (9) 0.0 μg/m3 (0) 17.0
 
Sept. 13, 2019, 8 a.m. N/A N/A 3.9 ppb (4) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.22 ppb (2) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 13.0
 
Sept. 13, 2019, 7 a.m. N/A N/A 1.7 ppb (2) N/A N/A N/A 22.0 ppb (17) N/A 7.0 μg/m3 (6) 0.0 μg/m3 (0) 17.0
 
Sept. 13, 2019, 6 a.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.21 ppb (2) 20.0 μg/m3 (18) -2.0 μg/m3 (0) 22.0
 
Sept. 13, 2019, 5 a.m. N/A N/A 1.8 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.05 ppb (1) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 8.0
 
Sept. 13, 2019, 4 a.m. N/A N/A 1.9 ppb (2) N/A N/A 1.0 ppb (1) N/A 0.01 ppb (0) 26.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2019, 3 a.m. N/A N/A 2.0 ppb (2) N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.0 ppb (0) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 23.0
 
Sept. 13, 2019, 2 a.m. N/A N/A 2.5 ppb (2) N/A N/A 1.0 ppb (1) 19.0 ppb (15) 0.03 ppb (0) 27.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
Sept. 13, 2019, 1 a.m. N/A N/A 1.4 ppb (1) N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.13 ppb (1) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2019, midnight N/A N/A 1.4 ppb (1) N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.11 ppb (1) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 22.0
 
Sept. 12, 2019, 11 p.m. N/A N/A 1.3 ppb (1) N/A N/A 1.0 ppb (1) 38.0 ppb (29) 0.02 ppb (0) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 10 p.m. N/A N/A 1.3 ppb (1) N/A N/A 1.0 ppb (1) 41.0 ppb (32) 0.09 ppb (1) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 32.0
 
Sept. 12, 2019, 9 p.m. N/A N/A 1.3 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.17 ppb (2) 17.0 μg/m3 (15) 2.0 μg/m3 (8) 30.0
 
Sept. 12, 2019, 8 p.m. N/A N/A 1.3 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.15 ppb (2) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 29.0
 
Sept. 12, 2019, 7 p.m. N/A N/A 1.3 ppb (1) N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.12 ppb (1) 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 6 p.m. N/A N/A 1.5 ppb (1) N/A N/A 1.0 ppb (1) 38.0 ppb (29) 0.1 ppb (1) 21.0 μg/m3 (19) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 5 p.m. N/A N/A 1.6 ppb (1) N/A N/A 1.0 ppb (1) 38.0 ppb (29) 0.07 ppb (1) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 29.0
 
Sept. 12, 2019, 4 p.m. N/A N/A 1.7 ppb (2) N/A N/A 1.0 ppb (1) 39.0 ppb (30) N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 30.0
 
Sept. 12, 2019, 3 p.m. N/A N/A 1.8 ppb (2) N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.06 ppb (1) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Sept. 12, 2019, 2 p.m. N/A N/A 1.9 ppb (2) N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.11 ppb (1) 20.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2019, 1 p.m. N/A N/A 1.9 ppb (2) N/A N/A 1.0 ppb (1) 23.0 ppb (18) 0.02 ppb (0) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Sept. 12, 2019, noon N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.06 ppb (1) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Sept. 12, 2019, 11 a.m. N/A N/A 1.8 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.08 ppb (1) 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2019, 10 a.m. N/A N/A 1.8 ppb (2) N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.05 ppb (1) 19.0 μg/m3 (17) 4.0 μg/m3 (17) 18.0
 
Sept. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.28 ppb (3) 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Sept. 12, 2019, 8 a.m. N/A N/A 2.1 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Sept. 12, 2019, 7 a.m. N/A N/A 2.1 ppb (2) N/A N/A N/A 26.0 ppb (20) N/A 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 6 a.m. N/A N/A 2.0 ppb (2) N/A N/A 1.0 ppb (1) 27.0 ppb (21) 0.26 ppb (3) 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Sept. 12, 2019, 5 a.m. N/A N/A 1.8 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 22.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
Sept. 12, 2019, 4 a.m. N/A N/A 1.6 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.28 ppb (3) 21.0 μg/m3 (19) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 3 a.m. N/A N/A 1.5 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.28 ppb (3) 22.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2019, 2 a.m. N/A N/A 1.5 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.27 ppb (3) 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2019, 1 a.m. N/A N/A 1.5 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.21 ppb (2) 27.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
Sept. 12, 2019, midnight N/A N/A 1.5 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.17 ppb (2) 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 11 p.m. N/A N/A 1.5 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.11 ppb (1) 19.0 μg/m3 (17) 7.0 μg/m3 (29) 32.0
 
Sept. 11, 2019, 10 p.m. N/A N/A 1.5 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.11 ppb (1) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 34.0
 
Sept. 11, 2019, 9 p.m. N/A N/A 1.5 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.16 ppb (2) 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 11, 2019, 8 p.m. N/A N/A 1.5 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.15 ppb (2) 17.0 μg/m3 (15) 4.0 μg/m3 (17) 34.0
 
Sept. 11, 2019, 7 p.m. N/A N/A 1.6 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.13 ppb (1) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 33.0
 
Sept. 11, 2019, 6 p.m. N/A N/A 1.7 ppb (2) N/A N/A 1.0 ppb (1) 42.0 ppb (32) 0.13 ppb (1) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 32.0
 
Sept. 11, 2019, 5 p.m. N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.12 ppb (1) 21.0 μg/m3 (19) 8.0 μg/m3 (33) 35.0
 
Sept. 11, 2019, 4 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.12 ppb (1) 24.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
Sept. 11, 2019, 3 p.m. N/A N/A 2.2 ppb (2) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) 26.0 μg/m3 (24) 13.0 μg/m3 (52) 52.0
 
Sept. 11, 2019, 2 p.m. N/A N/A 2.3 ppb (2) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.23 ppb (3) 26.0 μg/m3 (24) 16.0 μg/m3 (59) 59.0
 
Sept. 11, 2019, 1 p.m. N/A N/A 2.3 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.28 ppb (3) 29.0 μg/m3 (26) 19.0 μg/m3 (65) 65.0
 
Sept. 11, 2019, noon N/A N/A 2.3 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.33 ppb (4) 29.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
Sept. 11, 2019, 11 a.m. N/A N/A 2.2 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.31 ppb (3) 24.0 μg/m3 (22) 18.0 μg/m3 (63) 63.0
 
Sept. 11, 2019, 10 a.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) 29.0 μg/m3 (26) 18.0 μg/m3 (63) 63.0
 
Sept. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.15 ppb (2) 24.0 μg/m3 (22) 15.0 μg/m3 (56) 56.0
 
Sept. 11, 2019, 8 a.m. N/A N/A 2.2 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.11 ppb (1) 29.0 μg/m3 (26) 17.0 μg/m3 (61) 61.0
 
Sept. 11, 2019, 7 a.m. N/A N/A 2.3 ppb (2) N/A N/A N/A 29.0 ppb (22) N/A 29.0 μg/m3 (26) 14.0 μg/m3 (54) 54.0
 
Sept. 11, 2019, 6 a.m. N/A N/A 2.2 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.11 ppb (1) 29.0 μg/m3 (26) 14.0 μg/m3 (54) 54.0
 
Sept. 11, 2019, 5 a.m. N/A N/A 2.1 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.27 ppb (3) 27.0 μg/m3 (25) 17.0 μg/m3 (61) 61.0
 
Sept. 11, 2019, 4 a.m. N/A N/A 1.8 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.31 ppb (3) 32.0 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
Sept. 11, 2019, 3 a.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.27 ppb (3) 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Sept. 11, 2019, 2 a.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.27 ppb (3) 30.0 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
Sept. 11, 2019, 1 a.m. N/A N/A 1.6 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.23 ppb (3) 26.0 μg/m3 (24) 16.0 μg/m3 (59) 59.0
 
Sept. 11, 2019, midnight N/A N/A 1.6 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) 25.0 μg/m3 (23) 16.0 μg/m3 (59) 59.0
 
Sept. 10, 2019, 11 p.m. N/A N/A 1.6 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.16 ppb (2) 26.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
Sept. 10, 2019, 10 p.m. N/A N/A 1.6 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.12 ppb (1) 24.0 μg/m3 (22) 12.0 μg/m3 (50) 50.0
 
Sept. 10, 2019, 9 p.m. N/A N/A 1.6 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.17 ppb (2) 29.0 μg/m3 (26) 13.0 μg/m3 (52) 52.0
 
Sept. 10, 2019, 8 p.m. N/A N/A 1.7 ppb (2) N/A N/A 1.0 ppb (1) 47.0 ppb (36) 0.18 ppb (2) 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0