AQSQID: 400019009

Site Name: Stilwell Castnet & Ncore

Location: Adair Co, OK

Reporting: True, Located: True

Current AQI: 26.0

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
Jan. 22, 2019, 7 a.m. N/A N/A 1.9 ppb (2) N/A N/A N/A 34.0 ppb (26) N/A 9.0 μg/m3 (8) 1.1 μg/m3 (5) 26.0
 
Jan. 22, 2019, 6 a.m. N/A N/A 2.0 ppb (2) N/A N/A 1.0 ppb (1) 34.0 ppb (26) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 26.0
 
Jan. 22, 2019, 5 a.m. N/A N/A 2.1 ppb (2) N/A N/A 1.0 ppb (1) N/A N/A 7.0 μg/m3 (6) 3.9 μg/m3 (16) 16.0
 
Jan. 22, 2019, 4 a.m. N/A N/A 2.1 ppb (2) N/A N/A 1.0 ppb (1) N/A N/A 8.0 μg/m3 (7) 5.9 μg/m3 (25) 25.0
 
Jan. 22, 2019, 3 a.m. N/A N/A 2.2 ppb (2) N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A 12.0 μg/m3 (11) 3.2 μg/m3 (13) 27.0
 
Jan. 22, 2019, 2 a.m. N/A N/A 2.2 ppb (2) N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 27.0
 
Jan. 22, 2019, 1 a.m. N/A N/A 2.2 ppb (2) N/A N/A 1.0 ppb (1) 34.0 ppb (26) N/A 13.0 μg/m3 (12) 1.1 μg/m3 (5) 26.0
 
Jan. 22, 2019, midnight N/A N/A 2.1 ppb (2) N/A N/A 1.0 ppb (1) 36.0 ppb (28) N/A 10.0 μg/m3 (9) -0.9 μg/m3 (0) 28.0
 
Jan. 21, 2019, 11 p.m. N/A N/A 2.3 ppb (2) N/A N/A 1.0 ppb (1) 37.0 ppb (28) N/A 11.0 μg/m3 (10) -2.0 μg/m3 (0) 28.0
 
Jan. 21, 2019, 10 p.m. N/A N/A 2.7 ppb (3) N/A N/A 1.0 ppb (1) 37.0 ppb (28) N/A 9.0 μg/m3 (8) 0.9 μg/m3 (4) 28.0
 
Jan. 21, 2019, 9 p.m. N/A N/A 2.9 ppb (3) N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A 9.0 μg/m3 (8) 3.9 μg/m3 (16) 27.0
 
Jan. 21, 2019, 8 p.m. N/A N/A 2.9 ppb (3) N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A 11.0 μg/m3 (10) 3.1 μg/m3 (13) 27.0
 
Jan. 21, 2019, 7 p.m. N/A N/A 2.8 ppb (3) N/A N/A 1.0 ppb (1) 34.0 ppb (26) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 26.0
 
Jan. 21, 2019, 6 p.m. N/A N/A 2.7 ppb (3) N/A N/A 1.0 ppb (1) 33.0 ppb (25) N/A 8.0 μg/m3 (7) 5.9 μg/m3 (25) 25.0
 
Jan. 21, 2019, 5 p.m. N/A N/A 2.6 ppb (2) N/A N/A 1.0 ppb (1) 32.0 ppb (25) N/A 7.0 μg/m3 (6) 1.3 μg/m3 (5) 25.0
 
Jan. 21, 2019, 4 p.m. N/A N/A 2.4 ppb (2) N/A N/A 1.0 ppb (1) 32.0 ppb (25) N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 25.0
 
Jan. 21, 2019, 3 p.m. N/A N/A 2.3 ppb (2) N/A N/A 1.0 ppb (1) 31.0 ppb (24) N/A 9.0 μg/m3 (8) 5.8 μg/m3 (24) 24.0
 
Jan. 21, 2019, 2 p.m. N/A N/A 2.3 ppb (2) N/A N/A 1.0 ppb (1) 31.0 ppb (24) N/A 7.0 μg/m3 (6) 5.1 μg/m3 (21) 24.0
 
Jan. 21, 2019, 1 p.m. N/A N/A 2.3 ppb (2) N/A N/A 1.0 ppb (1) 31.0 ppb (24) N/A 7.0 μg/m3 (6) 3.1 μg/m3 (13) 24.0
 
Jan. 21, 2019, noon N/A N/A 2.3 ppb (2) N/A N/A 1.0 ppb (1) 30.0 ppb (23) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 23.0
 
Jan. 21, 2019, 11 a.m. N/A N/A 2.2 ppb (2) N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 22.0
 
Jan. 21, 2019, 10 a.m. N/A N/A 1.9 ppb (2) N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 22.0
 
Jan. 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 24.0
 
Jan. 21, 2019, 8 a.m. N/A N/A 2.4 ppb (2) N/A N/A 1.0 ppb (1) 32.0 ppb (25) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 25.0
 
Jan. 21, 2019, 7 a.m. N/A N/A 2.4 ppb (2) N/A N/A N/A 32.0 ppb (25) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 25.0
 
Jan. 21, 2019, 6 a.m. N/A N/A 2.3 ppb (2) N/A N/A 1.0 ppb (1) 32.0 ppb (25) N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2019, 5 a.m. N/A N/A 2.2 ppb (2) N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 12.0
 
Jan. 21, 2019, 4 a.m. N/A N/A 2.1 ppb (2) N/A N/A -1.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
Jan. 21, 2019, 3 a.m. N/A N/A 2.0 ppb (2) N/A N/A -1.0 ppb (0) 32.0 ppb (25) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 25.0
 
Jan. 21, 2019, 2 a.m. N/A N/A 1.8 ppb (2) N/A N/A -1.0 ppb (0) 35.0 ppb (27) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 27.0
 
Jan. 21, 2019, 1 a.m. N/A N/A 1.8 ppb (2) N/A N/A -1.0 ppb (0) 37.0 ppb (28) N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 28.0
 
Jan. 21, 2019, midnight N/A N/A 1.8 ppb (2) N/A N/A -1.0 ppb (0) 38.0 ppb (29) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 29.0
 
Jan. 20, 2019, 11 p.m. N/A N/A 1.9 ppb (2) N/A N/A -1.0 ppb (0) 41.0 ppb (32) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 32.0
 
Jan. 20, 2019, 10 p.m. N/A N/A 2.1 ppb (2) N/A N/A -1.0 ppb (0) 41.0 ppb (32) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 32.0
 
Jan. 20, 2019, 9 p.m. N/A N/A 2.3 ppb (2) N/A N/A -1.0 ppb (0) 39.0 ppb (30) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 30.0
 
Jan. 20, 2019, 8 p.m. N/A N/A 2.7 ppb (3) N/A N/A -1.0 ppb (0) 39.0 ppb (30) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 30.0
 
Jan. 20, 2019, 7 p.m. N/A N/A 3.0 ppb (3) N/A N/A -1.0 ppb (0) 37.0 ppb (28) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 28.0
 
Jan. 20, 2019, 6 p.m. N/A N/A 3.4 ppb (3) N/A N/A -1.0 ppb (0) 36.0 ppb (28) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 28.0
 
Jan. 20, 2019, 5 p.m. N/A N/A 3.7 ppb (3) N/A N/A -1.0 ppb (0) 34.0 ppb (26) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 26.0
 
Jan. 20, 2019, 4 p.m. N/A N/A 3.7 ppb (3) N/A N/A -1.0 ppb (0) 31.0 ppb (24) N/A 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2019, 3 p.m. N/A N/A 3.6 ppb (3) N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2019, 2 p.m. N/A N/A 3.4 ppb (3) N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A 12.0 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
Jan. 20, 2019, 1 p.m. N/A N/A 2.9 ppb (3) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 13.0 μg/m3 (12) 2.3 μg/m3 (10) 22.0
 
Jan. 20, 2019, noon N/A N/A 2.4 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A 9.0 μg/m3 (8) 3.9 μg/m3 (16) 23.0
 
Jan. 20, 2019, 11 a.m. N/A N/A 3.2 ppb (3) N/A N/A -1.0 ppb (0) 29.0 ppb (22) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 22.0
 
Jan. 20, 2019, 10 a.m. N/A N/A 2.6 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A 11.0 μg/m3 (10) 4.1 μg/m3 (17) 24.0
 
Jan. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A 13.0 μg/m3 (12) 2.1 μg/m3 (9) 25.0
 
Jan. 20, 2019, 8 a.m. N/A N/A 2.4 ppb (2) N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A 8.0 μg/m3 (7) 3.9 μg/m3 (16) 26.0
 
Jan. 20, 2019, 7 a.m. N/A N/A 2.5 ppb (2) N/A N/A N/A 35.0 ppb (27) N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 27.0
 
Jan. 20, 2019, 6 a.m. N/A N/A 2.7 ppb (3) N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A 12.0 μg/m3 (11) 6.9 μg/m3 (29) 29.0
 
Jan. 20, 2019, 5 a.m. N/A N/A 2.8 ppb (3) N/A N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2019, 4 a.m. N/A N/A 3.0 ppb (3) N/A N/A 1.0 ppb (1) N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 20, 2019, 3 a.m. N/A N/A 3.2 ppb (3) N/A N/A 1.0 ppb (1) 33.0 ppb (25) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2019, 2 a.m. N/A N/A 3.5 ppb (3) N/A N/A 1.0 ppb (1) 32.0 ppb (25) N/A 14.0 μg/m3 (13) 8.9 μg/m3 (37) 37.0
 
Jan. 20, 2019, 1 a.m. N/A N/A 3.7 ppb (3) N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2019, midnight N/A N/A 4.1 ppb (4) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 17.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
Jan. 19, 2019, 11 p.m. N/A N/A 4.2 ppb (4) N/A N/A 1.0 ppb (1) 28.0 ppb (22) N/A 16.0 μg/m3 (15) 6.1 μg/m3 (25) 25.0
 
Jan. 19, 2019, 10 p.m. N/A N/A 4.3 ppb (4) N/A N/A 1.0 ppb (1) 28.0 ppb (22) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2019, 9 p.m. N/A N/A 4.4 ppb (4) N/A N/A 1.0 ppb (1) 27.0 ppb (21) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2019, 8 p.m. N/A N/A 4.4 ppb (4) N/A N/A 1.0 ppb (1) 26.0 ppb (20) N/A 12.0 μg/m3 (11) 4.1 μg/m3 (17) 20.0
 
Jan. 19, 2019, 7 p.m. N/A N/A 4.2 ppb (4) N/A N/A 1.0 ppb (1) 26.0 ppb (20) N/A 14.0 μg/m3 (13) 6.9 μg/m3 (29) 29.0
 
Jan. 19, 2019, 6 p.m. N/A N/A 4.1 ppb (4) N/A N/A 1.0 ppb (1) 25.0 ppb (19) N/A 13.0 μg/m3 (12) 8.9 μg/m3 (37) 37.0
 
Jan. 19, 2019, 5 p.m. N/A N/A 4.0 ppb (4) N/A N/A 1.0 ppb (1) 25.0 ppb (19) N/A 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2019, 4 p.m. N/A N/A 3.9 ppb (4) N/A N/A 1.0 ppb (1) 25.0 ppb (19) N/A 12.0 μg/m3 (11) 11.9 μg/m3 (50) 50.0
 
Jan. 19, 2019, 3 p.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A 12.0 μg/m3 (11) 7.3 μg/m3 (30) 30.0
 
Jan. 19, 2019, 2 p.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2019, 1 p.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A 15.0 μg/m3 (14) 3.2 μg/m3 (13) 16.0
 
Jan. 19, 2019, noon N/A N/A 3.7 ppb (3) N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 14.0
 
Jan. 19, 2019, 11 a.m. N/A N/A 3.3 ppb (3) N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 13.0
 
Jan. 19, 2019, 10 a.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A 8.0 μg/m3 (7) 1.1 μg/m3 (5) 12.0
 
Jan. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A 4.0 μg/m3 (4) 0.1 μg/m3 (0) 11.0
 
Jan. 19, 2019, 8 a.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 12.0 ppb (9) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 9.0
 
Jan. 19, 2019, 7 a.m. N/A N/A 2.6 ppb (2) N/A N/A N/A 29.0 ppb (22) N/A 6.0 μg/m3 (5) 3.9 μg/m3 (16) 22.0
 
Jan. 19, 2019, 6 a.m. N/A N/A 2.7 ppb (3) N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A 6.0 μg/m3 (5) 5.9 μg/m3 (25) 26.0
 
Jan. 19, 2019, 5 a.m. N/A N/A 2.9 ppb (3) N/A N/A 1.0 ppb (1) N/A N/A 6.0 μg/m3 (5) 2.2 μg/m3 (9) 9.0
 
Jan. 19, 2019, 4 a.m. N/A N/A 3.0 ppb (3) N/A N/A 1.0 ppb (1) N/A N/A 10.0 μg/m3 (9) 3.9 μg/m3 (16) 16.0
 
Jan. 19, 2019, 3 a.m. N/A N/A 3.1 ppb (3) N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2019, 2 a.m. N/A N/A 3.2 ppb (3) N/A N/A 1.0 ppb (1) 20.0 ppb (15) N/A 12.0 μg/m3 (11) 6.9 μg/m3 (29) 29.0
 
Jan. 19, 2019, 1 a.m. N/A N/A 3.2 ppb (3) N/A N/A 1.0 ppb (1) 21.0 ppb (16) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2019, midnight N/A N/A 3.2 ppb (3) N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A 11.0 μg/m3 (10) 5.1 μg/m3 (21) 21.0
 
Jan. 18, 2019, 11 p.m. N/A N/A 3.0 ppb (3) N/A N/A 1.0 ppb (1) 22.0 ppb (17) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2019, 10 p.m. N/A N/A 3.0 ppb (3) N/A N/A 1.0 ppb (1) 22.0 ppb (17) N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2019, 9 p.m. N/A N/A 2.9 ppb (3) N/A N/A 1.0 ppb (1) 23.0 ppb (18) N/A 15.0 μg/m3 (14) 5.1 μg/m3 (21) 21.0
 
Jan. 18, 2019, 8 p.m. N/A N/A 2.8 ppb (3) N/A N/A 1.0 ppb (1) 22.0 ppb (17) N/A 13.0 μg/m3 (12) 4.1 μg/m3 (17) 17.0
 
Jan. 18, 2019, 7 p.m. N/A N/A 2.7 ppb (3) N/A N/A 1.0 ppb (1) 22.0 ppb (17) N/A 12.0 μg/m3 (11) 2.1 μg/m3 (9) 17.0
 
Jan. 18, 2019, 6 p.m. N/A N/A 2.7 ppb (3) N/A N/A 1.0 ppb (1) 21.0 ppb (16) N/A 15.0 μg/m3 (14) 4.9 μg/m3 (20) 20.0
 
Jan. 18, 2019, 5 p.m. N/A N/A 2.5 ppb (2) N/A N/A 1.0 ppb (1) 21.0 ppb (16) N/A 11.0 μg/m3 (10) 4.1 μg/m3 (17) 17.0
 
Jan. 18, 2019, 4 p.m. N/A N/A 2.5 ppb (2) N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2019, 3 p.m. N/A N/A 2.4 ppb (2) N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A 12.0 μg/m3 (11) 4.1 μg/m3 (17) 17.0
 
Jan. 18, 2019, 2 p.m. N/A N/A 2.4 ppb (2) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A 9.0 μg/m3 (8) 1.2 μg/m3 (5) 16.0
 
Jan. 18, 2019, 1 p.m. N/A N/A 2.4 ppb (2) N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 15.0
 
Jan. 18, 2019, noon N/A N/A 2.5 ppb (2) N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 15.0
 
Jan. 18, 2019, 11 a.m. N/A N/A 2.6 ppb (2) N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A 12.0 μg/m3 (11) 4.9 μg/m3 (20) 20.0
 
Jan. 18, 2019, 10 a.m. N/A N/A 2.4 ppb (2) N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A 10.0 μg/m3 (9) 7.9 μg/m3 (33) 33.0
 
Jan. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) N/A 7.0 μg/m3 (6) 7.1 μg/m3 (30) 30.0
 
Jan. 18, 2019, 8 a.m. N/A N/A 3.5 ppb (3) N/A N/A 0.0 ppb (0) 10.0 ppb (8) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2019, 7 a.m. N/A N/A 3.5 ppb (3) N/A N/A N/A 18.0 ppb (14) N/A 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2019, 6 a.m. N/A N/A 3.6 ppb (3) N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A 11.0 μg/m3 (10) 5.2 μg/m3 (22) 22.0
 
Jan. 18, 2019, 5 a.m. N/A N/A 3.9 ppb (4) N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 7.8 μg/m3 (32) 32.0
 
Jan. 18, 2019, 4 a.m. N/A N/A 3.7 ppb (3) N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 6.1 μg/m3 (25) 25.0
 
Jan. 18, 2019, 3 a.m. N/A N/A 3.4 ppb (3) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A 9.0 μg/m3 (8) 7.9 μg/m3 (33) 33.0
 
Jan. 18, 2019, 2 a.m. N/A N/A 3.3 ppb (3) N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2019, 1 a.m. N/A N/A 3.2 ppb (3) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A 12.0 μg/m3 (11) 6.1 μg/m3 (25) 25.0
 
Jan. 18, 2019, midnight N/A N/A 3.2 ppb (3) N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A 10.0 μg/m3 (9) 7.9 μg/m3 (33) 33.0
 
Jan. 17, 2019, 11 p.m. N/A N/A 3.2 ppb (3) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A 11.0 μg/m3 (10) 6.1 μg/m3 (25) 25.0
 
Jan. 17, 2019, 10 p.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 9 p.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A 11.0 μg/m3 (10) 5.1 μg/m3 (21) 21.0
 
Jan. 17, 2019, 8 p.m. N/A N/A 2.9 ppb (3) N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A 14.0 μg/m3 (13) 2.2 μg/m3 (9) 13.0
 
Jan. 17, 2019, 7 p.m. N/A N/A 2.7 ppb (3) N/A N/A 1.0 ppb (1) 14.0 ppb (11) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
Jan. 17, 2019, 6 p.m. N/A N/A 2.5 ppb (2) N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
Jan. 17, 2019, 5 p.m. N/A N/A 2.5 ppb (2) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 3.0 μg/m3 (12) 15.0
 
Jan. 17, 2019, 4 p.m. N/A N/A 2.5 ppb (2) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A 14.0 μg/m3 (13) 1.1 μg/m3 (5) 15.0
 
Jan. 17, 2019, 3 p.m. N/A N/A 2.6 ppb (2) N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 2.0 μg/m3 (8) 12.0
 
Jan. 17, 2019, 2 p.m. N/A N/A 3.3 ppb (3) N/A N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A 3.9 μg/m3 (16) 16.0
 
Jan. 17, 2019, 1 p.m. N/A N/A 4.0 ppb (4) N/A N/A 1.0 ppb (1) 15.0 ppb (12) N/A 9.0 μg/m3 (8) 5.9 μg/m3 (25) 25.0
 
Jan. 17, 2019, noon N/A N/A 4.1 ppb (4) N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2019, 11 a.m. N/A N/A 4.1 ppb (4) N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2019, 10 a.m. N/A N/A 4.2 ppb (4) N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 16, 2019, 11 p.m. N/A N/A 5.6 ppb (5) N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A 20.0 μg/m3 (18) 11.9 μg/m3 (50) 50.0
 
Jan. 16, 2019, 10 p.m. N/A N/A 5.5 ppb (5) N/A N/A 1.0 ppb (1) 20.0 ppb (15) N/A 20.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Jan. 16, 2019, 9 p.m. N/A N/A 5.5 ppb (5) N/A N/A 1.0 ppb (1) 20.0 ppb (15) N/A 21.0 μg/m3 (19) 9.2 μg/m3 (38) 38.0
 
Jan. 16, 2019, 8 p.m. N/A N/A 5.5 ppb (5) N/A N/A 1.0 ppb (1) 21.0 ppb (16) N/A 16.0 μg/m3 (15) 7.1 μg/m3 (30) 30.0
 
Jan. 16, 2019, 7 p.m. N/A N/A 5.5 ppb (5) N/A N/A 1.0 ppb (1) 21.0 ppb (16) N/A 19.0 μg/m3 (17) 9.9 μg/m3 (41) 41.0
 
Jan. 16, 2019, 6 p.m. N/A N/A 5.7 ppb (5) N/A N/A 1.0 ppb (1) 20.0 ppb (15) N/A 26.0 μg/m3 (24) 12.9 μg/m3 (52) 52.0
 
Jan. 16, 2019, 5 p.m. N/A N/A 5.6 ppb (5) N/A N/A 1.0 ppb (1) 18.0 ppb (14) N/A 20.0 μg/m3 (18) 14.9 μg/m3 (56) 56.0
 
Jan. 16, 2019, 4 p.m. N/A N/A 5.6 ppb (5) N/A N/A 1.0 ppb (1) 18.0 ppb (14) N/A 22.0 μg/m3 (20) 14.1 μg/m3 (54) 54.0
 
Jan. 16, 2019, 3 p.m. N/A N/A 5.6 ppb (5) N/A N/A 1.0 ppb (1) 18.0 ppb (14) N/A 20.0 μg/m3 (18) 10.2 μg/m3 (42) 42.0
 
Jan. 16, 2019, 2 p.m. N/A N/A 5.7 ppb (5) N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A 18.0 μg/m3 (16) 11.9 μg/m3 (50) 50.0
 
Jan. 16, 2019, 1 p.m. N/A N/A 5.8 ppb (5) N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A 19.0 μg/m3 (17) 12.9 μg/m3 (52) 52.0
 
Jan. 16, 2019, noon N/A N/A 5.8 ppb (5) N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A 21.0 μg/m3 (19) 15.0 μg/m3 (56) 56.0
 
Jan. 16, 2019, 11 a.m. N/A N/A 5.7 ppb (5) N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A 19.0 μg/m3 (17) 13.0 μg/m3 (52) 52.0
 
Jan. 16, 2019, 10 a.m. N/A N/A 5.3 ppb (5) N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A 20.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 21.0 ppb (16) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2019, 8 a.m. N/A N/A 5.3 ppb (5) N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2019, 7 a.m. N/A N/A 5.3 ppb (5) N/A N/A N/A 19.0 ppb (15) N/A 14.0 μg/m3 (13) 12.0 μg/m3 (50) 50.0
 
Jan. 16, 2019, 6 a.m. N/A N/A 5.2 ppb (5) N/A N/A 1.0 ppb (1) 20.0 ppb (15) N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2019, 5 a.m. N/A N/A 4.9 ppb (5) N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2019, 4 a.m. N/A N/A 4.5 ppb (4) N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2019, 3 a.m. N/A N/A 4.3 ppb (4) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2019, 2 a.m. N/A N/A 4.4 ppb (4) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 17.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2019, 1 a.m. N/A N/A 4.3 ppb (4) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2019, midnight N/A N/A 3.9 ppb (4) N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 11 p.m. N/A N/A 3.7 ppb (3) N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Jan. 15, 2019, 9 p.m. N/A N/A 3.7 ppb (3) N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 22.0
 
Jan. 15, 2019, 8 p.m. N/A N/A 3.6 ppb (3) N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 22.0
 
Jan. 15, 2019, 7 p.m. N/A N/A 3.4 ppb (3) N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 22.0
 
Jan. 15, 2019, 6 p.m. N/A N/A 3.3 ppb (3) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 5 p.m. N/A N/A 3.3 ppb (3) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 4 p.m. N/A N/A 3.2 ppb (3) N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 10.8 μg/m3 (45) 45.0
 
Jan. 15, 2019, 3 p.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 16.0 μg/m3 (15) 8.2 μg/m3 (34) 34.0
 
Jan. 15, 2019, 2 p.m. N/A N/A 2.9 ppb (3) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 16.0 μg/m3 (15) 10.9 μg/m3 (45) 45.0
 
Jan. 15, 2019, 1 p.m. N/A N/A 2.7 ppb (3) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 14.0 μg/m3 (13) 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2019, noon N/A N/A 2.5 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 14.0 μg/m3 (13) 7.3 μg/m3 (30) 30.0
 
Jan. 15, 2019, 11 a.m. N/A N/A 2.3 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 11.0 μg/m3 (10) 6.1 μg/m3 (25) 25.0
 
Jan. 15, 2019, 10 a.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A 12.0 μg/m3 (11) 7.9 μg/m3 (33) 33.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A 14.0 μg/m3 (13) 7.1 μg/m3 (30) 30.0
 
Jan. 15, 2019, 8 a.m. N/A N/A 2.9 ppb (3) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 7 a.m. N/A N/A 3.0 ppb (3) N/A N/A N/A 29.0 ppb (22) N/A 14.0 μg/m3 (13) 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 6 a.m. N/A N/A 3.0 ppb (3) N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 5 a.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 4 a.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 3 a.m. N/A N/A 3.2 ppb (3) N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 18.0 μg/m3 (16) 10.9 μg/m3 (45) 45.0
 
Jan. 15, 2019, 2 a.m. N/A N/A 3.5 ppb (3) N/A N/A 1.0 ppb (1) 26.0 ppb (20) N/A 13.0 μg/m3 (12) 6.3 μg/m3 (26) 26.0