AQSQID: 400019009

Site Name: Stilwell Castnet & Ncore

Location: Adair Co, OK

Reporting: True, Located: True

Current AQI: 28.0

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
May 19, 2019, 11 a.m. N/A N/A 0.2 ppb (0) N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A 15.0 μg/m3 (14) 2.2 μg/m3 (9) 28.0
 
May 19, 2019, 10 a.m. N/A N/A -0.1 ppb (0) N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A 16.0 μg/m3 (15) 3.0 μg/m3 (12) 27.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) N/A 14.0 μg/m3 (13) 5.9 μg/m3 (25) 26.0
 
May 19, 2019, 8 a.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A 10.0 μg/m3 (9) 3.2 μg/m3 (13) 31.0
 
May 19, 2019, 7 a.m. N/A N/A 0.9 ppb (1) N/A N/A N/A 43.0 ppb (33) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (12) 33.0
 
May 19, 2019, 6 a.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A 9.0 μg/m3 (8) 1.1 μg/m3 (5) 34.0
 
May 19, 2019, 5 a.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) -0.9 μg/m3 (0) 8.0
 
May 19, 2019, 4 a.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 2.8 μg/m3 (12) 12.0
 
May 19, 2019, 3 a.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 38.0
 
May 19, 2019, 2 a.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 51.0 ppb (39) N/A 12.0 μg/m3 (11) 2.1 μg/m3 (9) 39.0
 
May 19, 2019, 1 a.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 41.0
 
May 19, 2019, midnight N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 55.0 ppb (42) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 42.0
 
May 18, 2019, 11 p.m. N/A N/A 0.8 ppb (1) N/A N/A 0.0 ppb (0) 57.0 ppb (44) N/A 7.0 μg/m3 (6) 0.1 μg/m3 (0) 44.0
 
May 18, 2019, 10 p.m. N/A N/A 0.7 ppb (1) N/A N/A 0.0 ppb (0) 60.0 ppb (46) N/A 6.0 μg/m3 (5) -1.0 μg/m3 (0) 46.0
 
May 18, 2019, 9 p.m. N/A N/A 0.7 ppb (1) N/A N/A 0.0 ppb (0) 58.0 ppb (45) N/A 5.0 μg/m3 (5) 0.9 μg/m3 (4) 45.0
 
May 18, 2019, 8 p.m. N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) 58.0 ppb (45) N/A 6.0 μg/m3 (5) 4.8 μg/m3 (20) 45.0
 
May 18, 2019, 7 p.m. N/A N/A 0.5 ppb (0) N/A N/A 0.0 ppb (0) 60.0 ppb (46) N/A 6.0 μg/m3 (5) 9.8 μg/m3 (41) 46.0
 
May 18, 2019, 6 p.m. N/A N/A 0.4 ppb (0) N/A N/A 1.0 ppb (1) 39.0 ppb (30) N/A 22.0 μg/m3 (20) 14.8 μg/m3 (56) 56.0
 
May 18, 2019, 5 p.m. N/A N/A 0.5 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 20.0 μg/m3 (18) 9.3 μg/m3 (39) 39.0
 
May 18, 2019, 4 p.m. N/A N/A 0.7 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 17.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
May 18, 2019, 3 p.m. N/A N/A 0.7 ppb (1) N/A N/A 1.0 ppb (1) 26.0 ppb (20) N/A 24.0 μg/m3 (22) 5.3 μg/m3 (22) 22.0
 
May 18, 2019, 2 p.m. N/A N/A 0.8 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A 20.0 μg/m3 (18) 6.9 μg/m3 (29) 29.0
 
May 18, 2019, 1 p.m. N/A N/A 0.7 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A 21.0 μg/m3 (19) 8.9 μg/m3 (37) 37.0
 
May 18, 2019, noon N/A N/A 0.7 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
May 18, 2019, 11 a.m. N/A N/A 0.8 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A 20.0 μg/m3 (18) 6.2 μg/m3 (26) 26.0
 
May 18, 2019, 10 a.m. N/A N/A 0.7 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A 19.0 μg/m3 (17) 8.9 μg/m3 (37) 37.0
 
May 18, 2019, 8 a.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A 15.0 μg/m3 (14) 7.1 μg/m3 (30) 33.0
 
May 18, 2019, 7 a.m. N/A N/A 1.0 ppb (1) N/A N/A N/A 46.0 ppb (35) N/A 22.0 μg/m3 (20) 10.8 μg/m3 (45) 45.0
 
May 18, 2019, 6 a.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A 26.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
May 18, 2019, 5 a.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 5.3 μg/m3 (22) 22.0
 
May 18, 2019, 4 a.m. N/A N/A 0.7 ppb (1) N/A N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 6.9 μg/m3 (29) 29.0
 
May 18, 2019, 3 a.m. N/A N/A 0.5 ppb (0) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A 24.0 μg/m3 (22) 11.8 μg/m3 (49) 49.0
 
May 18, 2019, 2 a.m. N/A N/A 0.5 ppb (0) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A 21.0 μg/m3 (19) 9.2 μg/m3 (38) 38.0
 
May 18, 2019, 1 a.m. N/A N/A 0.4 ppb (0) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A 20.0 μg/m3 (18) 6.2 μg/m3 (26) 34.0
 
May 18, 2019, midnight N/A N/A 0.4 ppb (0) N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 35.0
 
May 17, 2019, 11 p.m. N/A N/A 0.5 ppb (0) N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A 20.0 μg/m3 (18) 3.2 μg/m3 (13) 38.0
 
May 17, 2019, 10 p.m. N/A N/A 0.5 ppb (0) N/A N/A 0.0 ppb (0) 51.0 ppb (39) N/A 28.0 μg/m3 (25) 5.9 μg/m3 (25) 39.0
 
May 17, 2019, 9 p.m. N/A N/A 0.5 ppb (0) N/A N/A 0.0 ppb (0) 52.0 ppb (40) N/A 26.0 μg/m3 (24) 7.9 μg/m3 (33) 40.0
 
May 17, 2019, 8 p.m. N/A N/A 0.5 ppb (0) N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A 19.0 μg/m3 (17) 9.9 μg/m3 (41) 41.0
 
May 17, 2019, 7 p.m. N/A N/A 0.5 ppb (0) N/A N/A 0.0 ppb (0) 55.0 ppb (42) N/A 24.0 μg/m3 (22) 7.2 μg/m3 (30) 42.0
 
May 17, 2019, 6 p.m. N/A N/A 0.5 ppb (0) N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A 23.0 μg/m3 (21) 8.9 μg/m3 (37) 41.0
 
May 17, 2019, 5 p.m. N/A N/A 0.5 ppb (0) N/A N/A 0.0 ppb (0) 51.0 ppb (39) N/A 16.0 μg/m3 (15) 3.3 μg/m3 (14) 39.0
 
May 17, 2019, 4 p.m. N/A N/A 0.5 ppb (0) N/A N/A 0.0 ppb (0) 50.0 ppb (38) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 38.0
 
May 17, 2019, 3 p.m. N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A 17.0 μg/m3 (15) 6.9 μg/m3 (29) 36.0
 
May 17, 2019, 2 p.m. N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A 21.0 μg/m3 (19) 9.9 μg/m3 (41) 41.0
 
May 17, 2019, 1 p.m. N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
May 17, 2019, noon N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A 20.0 μg/m3 (18) 11.9 μg/m3 (50) 50.0
 
May 17, 2019, 11 a.m. N/A N/A 0.5 ppb (0) N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A 17.0 μg/m3 (15) 9.2 μg/m3 (38) 38.0
 
May 17, 2019, 10 a.m. N/A N/A 0.3 ppb (0) N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A 19.0 μg/m3 (17) 12.8 μg/m3 (52) 52.0
 
May 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A 16.0 μg/m3 (15) 10.2 μg/m3 (42) 42.0
 
May 17, 2019, 8 a.m. N/A N/A 0.8 ppb (1) N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A 14.0 μg/m3 (13) 8.1 μg/m3 (34) 37.0
 
May 17, 2019, 7 a.m. N/A N/A 0.8 ppb (1) N/A N/A N/A 49.0 ppb (38) N/A 18.0 μg/m3 (16) 7.1 μg/m3 (30) 38.0
 
May 17, 2019, 6 a.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 50.0 ppb (38) N/A 22.0 μg/m3 (20) 10.8 μg/m3 (45) 45.0
 
May 17, 2019, 5 a.m. N/A N/A 0.9 ppb (1) N/A N/A 1.0 ppb (1) N/A N/A 22.0 μg/m3 (20) 10.1 μg/m3 (42) 42.0
 
May 17, 2019, 4 a.m. N/A N/A 0.9 ppb (1) N/A N/A 1.0 ppb (1) N/A N/A 23.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
May 17, 2019, 3 a.m. N/A N/A 1.0 ppb (1) N/A N/A 1.0 ppb (1) 52.0 ppb (40) N/A 15.0 μg/m3 (14) 7.2 μg/m3 (30) 40.0
 
May 17, 2019, 2 a.m. N/A N/A 0.9 ppb (1) N/A N/A 1.0 ppb (1) 54.0 ppb (42) N/A 21.0 μg/m3 (19) 7.0 μg/m3 (29) 42.0
 
May 17, 2019, 1 a.m. N/A N/A 1.0 ppb (1) N/A N/A 1.0 ppb (1) 54.0 ppb (42) N/A 19.0 μg/m3 (17) 8.0 μg/m3 (33) 42.0
 
May 17, 2019, midnight N/A N/A 1.0 ppb (1) N/A N/A 1.0 ppb (1) 55.0 ppb (42) N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 42.0
 
May 16, 2019, 11 p.m. N/A N/A 1.0 ppb (1) N/A N/A 1.0 ppb (1) 57.0 ppb (44) N/A 19.0 μg/m3 (17) 11.8 μg/m3 (49) 49.0
 
May 16, 2019, 10 p.m. N/A N/A 1.0 ppb (1) N/A N/A 1.0 ppb (1) 55.0 ppb (42) N/A 22.0 μg/m3 (20) 7.3 μg/m3 (30) 42.0
 
May 16, 2019, 9 p.m. N/A N/A 1.0 ppb (1) N/A N/A 1.0 ppb (1) 54.0 ppb (42) N/A 15.0 μg/m3 (14) 6.1 μg/m3 (25) 42.0
 
May 16, 2019, 8 p.m. N/A N/A 1.1 ppb (1) N/A N/A 1.0 ppb (1) 55.0 ppb (42) N/A 21.0 μg/m3 (19) 7.9 μg/m3 (33) 42.0
 
May 16, 2019, 7 p.m. N/A N/A 1.1 ppb (1) N/A N/A 1.0 ppb (1) 56.0 ppb (43) N/A 19.0 μg/m3 (17) 9.9 μg/m3 (41) 43.0
 
May 16, 2019, 6 p.m. N/A N/A 1.1 ppb (1) N/A N/A 1.0 ppb (1) 55.0 ppb (42) N/A 20.0 μg/m3 (18) 4.3 μg/m3 (18) 42.0
 
May 16, 2019, 5 p.m. N/A N/A 1.1 ppb (1) N/A N/A 1.0 ppb (1) 56.0 ppb (43) N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 43.0
 
May 16, 2019, 4 p.m. N/A N/A 1.1 ppb (1) N/A N/A 1.0 ppb (1) 55.0 ppb (42) N/A 21.0 μg/m3 (19) 6.0 μg/m3 (25) 42.0
 
May 16, 2019, 3 p.m. N/A N/A 1.1 ppb (1) N/A N/A 2.0 ppb (3) 55.0 ppb (42) N/A 29.0 μg/m3 (26) 7.0 μg/m3 (29) 42.0
 
May 16, 2019, 2 p.m. N/A N/A 1.0 ppb (1) N/A N/A 2.0 ppb (3) 56.0 ppb (43) N/A 34.0 μg/m3 (31) 8.9 μg/m3 (37) 43.0
 
May 16, 2019, 1 p.m. N/A N/A 0.9 ppb (1) N/A N/A 1.0 ppb (1) 51.0 ppb (39) N/A 21.0 μg/m3 (19) 8.1 μg/m3 (34) 39.0
 
May 16, 2019, noon N/A N/A 0.8 ppb (1) N/A N/A 1.0 ppb (1) 50.0 ppb (38) N/A 26.0 μg/m3 (24) 11.8 μg/m3 (49) 49.0
 
May 16, 2019, 11 a.m. N/A N/A 0.8 ppb (1) N/A N/A 1.0 ppb (1) 49.0 ppb (38) N/A 14.0 μg/m3 (13) 6.3 μg/m3 (26) 38.0
 
May 16, 2019, 10 a.m. N/A N/A 0.4 ppb (0) N/A N/A 1.0 ppb (1) 51.0 ppb (39) N/A 17.0 μg/m3 (15) 8.9 μg/m3 (37) 39.0
 
May 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 53.0 ppb (41) N/A 20.0 μg/m3 (18) 10.9 μg/m3 (45) 45.0
 
May 16, 2019, 8 a.m. N/A N/A 1.4 ppb (1) N/A N/A 1.0 ppb (1) 55.0 ppb (42) N/A 21.0 μg/m3 (19) 8.2 μg/m3 (34) 42.0
 
May 16, 2019, 7 a.m. N/A N/A 1.7 ppb (2) N/A N/A N/A 52.0 ppb (40) N/A 16.0 μg/m3 (15) 5.2 μg/m3 (22) 40.0
 
May 16, 2019, 6 a.m. N/A N/A 2.6 ppb (2) N/A N/A 1.0 ppb (1) 33.0 ppb (25) N/A 15.0 μg/m3 (14) 6.9 μg/m3 (29) 29.0
 
May 16, 2019, 5 a.m. N/A N/A 5.7 ppb (5) N/A N/A 1.0 ppb (1) N/A N/A 14.0 μg/m3 (13) 8.0 μg/m3 (33) 33.0
 
May 16, 2019, 4 a.m. N/A N/A 1.2 ppb (1) N/A N/A 1.0 ppb (1) N/A N/A 13.0 μg/m3 (12) 4.2 μg/m3 (18) 18.0
 
May 16, 2019, 3 a.m. N/A N/A 1.2 ppb (1) N/A N/A 1.0 ppb (1) 32.0 ppb (25) N/A 16.0 μg/m3 (15) 5.9 μg/m3 (25) 25.0
 
May 16, 2019, 2 a.m. N/A N/A 1.0 ppb (1) N/A N/A 1.0 ppb (1) 31.0 ppb (24) N/A 16.0 μg/m3 (15) 8.9 μg/m3 (37) 37.0
 
May 16, 2019, 1 a.m. N/A N/A 1.0 ppb (1) N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A 13.0 μg/m3 (12) 7.1 μg/m3 (30) 32.0
 
May 16, 2019, midnight N/A N/A 1.2 ppb (1) N/A N/A 1.0 ppb (1) 53.0 ppb (41) N/A 14.0 μg/m3 (13) 4.2 μg/m3 (18) 41.0
 
May 15, 2019, 11 p.m. N/A N/A 1.2 ppb (1) N/A N/A 1.0 ppb (1) 57.0 ppb (44) N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 44.0
 
May 15, 2019, 10 p.m. N/A N/A 1.2 ppb (1) N/A N/A 1.0 ppb (1) 58.0 ppb (45) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 45.0
 
May 15, 2019, 9 p.m. N/A N/A 1.2 ppb (1) N/A N/A 1.0 ppb (1) 55.0 ppb (42) N/A 15.0 μg/m3 (14) 4.1 μg/m3 (17) 42.0
 
May 15, 2019, 8 p.m. N/A N/A 1.2 ppb (1) N/A N/A 1.0 ppb (1) 54.0 ppb (42) N/A 13.0 μg/m3 (12) 3.1 μg/m3 (13) 42.0
 
May 15, 2019, 7 p.m. N/A N/A 1.2 ppb (1) N/A N/A 1.0 ppb (1) 54.0 ppb (42) N/A 10.0 μg/m3 (9) 4.9 μg/m3 (20) 42.0
 
May 15, 2019, 6 p.m. N/A N/A 1.2 ppb (1) N/A N/A 1.0 ppb (1) 53.0 ppb (41) N/A 16.0 μg/m3 (15) 6.9 μg/m3 (29) 41.0
 
May 15, 2019, 5 p.m. N/A N/A 1.2 ppb (1) N/A N/A 1.0 ppb (1) 53.0 ppb (41) N/A 9.0 μg/m3 (8) 5.1 μg/m3 (21) 41.0
 
May 15, 2019, 4 p.m. N/A N/A 1.3 ppb (1) N/A N/A 1.0 ppb (1) 52.0 ppb (40) N/A 10.0 μg/m3 (9) 4.1 μg/m3 (17) 40.0
 
May 15, 2019, 3 p.m. N/A N/A 1.4 ppb (1) N/A N/A 1.0 ppb (1) 52.0 ppb (40) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 40.0
 
May 15, 2019, 2 p.m. N/A N/A 1.7 ppb (2) N/A N/A 1.0 ppb (1) 50.0 ppb (38) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 38.0
 
May 15, 2019, 1 p.m. N/A N/A 1.3 ppb (1) N/A N/A 1.0 ppb (1) 49.0 ppb (38) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 38.0
 
May 15, 2019, noon N/A N/A 0.9 ppb (1) N/A N/A 1.0 ppb (1) 47.0 ppb (36) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 36.0
 
May 15, 2019, 11 a.m. N/A N/A 0.7 ppb (1) N/A N/A 1.0 ppb (1) 49.0 ppb (38) N/A 16.0 μg/m3 (15) 10.8 μg/m3 (45) 45.0
 
May 15, 2019, 10 a.m. N/A N/A 0.2 ppb (0) N/A N/A 1.0 ppb (1) 45.0 ppb (35) N/A 15.0 μg/m3 (14) 10.1 μg/m3 (42) 42.0
 
May 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 45.0 ppb (35) N/A 20.0 μg/m3 (18) 8.1 μg/m3 (34) 35.0
 
May 15, 2019, 8 a.m. N/A N/A 0.6 ppb (1) N/A N/A 1.0 ppb (1) 43.0 ppb (33) N/A 17.0 μg/m3 (15) 6.1 μg/m3 (25) 33.0
 
May 15, 2019, 7 a.m. N/A N/A 0.7 ppb (1) N/A N/A N/A 43.0 ppb (33) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 33.0
 
May 15, 2019, 6 a.m. N/A N/A 0.7 ppb (1) N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A 15.0 μg/m3 (14) 9.8 μg/m3 (41) 41.0
 
May 15, 2019, 5 a.m. N/A N/A 0.7 ppb (1) N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 7.2 μg/m3 (30) 30.0
 
May 15, 2019, 4 a.m. N/A N/A 0.8 ppb (1) N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
May 15, 2019, 3 a.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A 14.0 μg/m3 (13) 8.0 μg/m3 (33) 35.0
 
May 15, 2019, 2 a.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A 17.0 μg/m3 (15) 7.1 μg/m3 (30) 32.0
 
May 15, 2019, 1 a.m. N/A N/A 1.1 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A 14.0 μg/m3 (13) 5.1 μg/m3 (21) 35.0
 
May 15, 2019, midnight N/A N/A 1.1 ppb (1) N/A N/A 1.0 ppb (1) 54.0 ppb (42) N/A 13.0 μg/m3 (12) 6.9 μg/m3 (29) 42.0
 
May 14, 2019, 11 p.m. N/A N/A 1.1 ppb (1) N/A N/A 1.0 ppb (1) 57.0 ppb (44) N/A 11.0 μg/m3 (10) 5.1 μg/m3 (21) 44.0
 
May 14, 2019, 10 p.m. N/A N/A 1.1 ppb (1) N/A N/A 1.0 ppb (1) 56.0 ppb (43) N/A 20.0 μg/m3 (18) 4.1 μg/m3 (17) 43.0
 
May 14, 2019, 9 p.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 55.0 ppb (42) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 42.0
 
May 14, 2019, 8 p.m. N/A N/A 1.0 ppb (1) N/A N/A N/A 54.0 ppb (42) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 42.0
 
May 14, 2019, 7 p.m. N/A N/A 0.8 ppb (1) N/A N/A N/A 50.0 ppb (38) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 38.0
 
May 14, 2019, 6 p.m. N/A N/A 0.7 ppb (1) N/A N/A 1.0 ppb (1) N/A N/A 16.0 μg/m3 (15) 3.1 μg/m3 (13) 15.0
 
May 14, 2019, 5 p.m. N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 1.1 μg/m3 (5) 15.0
 
May 14, 2019, 4 p.m. N/A N/A 0.4 ppb (0) N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 29.0
 
May 14, 2019, 3 p.m. N/A N/A 0.3 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A 11.0 μg/m3 (10) 5.8 μg/m3 (24) 24.0
 
May 14, 2019, 2 p.m. N/A N/A 0.2 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 10.0 μg/m3 (9) 8.9 μg/m3 (37) 37.0
 
May 14, 2019, 1 p.m. N/A N/A 0.1 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 8.0 μg/m3 (7) 7.1 μg/m3 (30) 30.0
 
May 14, 2019, noon N/A N/A 0.0 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 7.0 μg/m3 (6) 5.1 μg/m3 (21) 21.0
 
May 14, 2019, 11 a.m. N/A N/A -0.1 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
May 14, 2019, 10 a.m. N/A N/A -0.4 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A 13.0 μg/m3 (12) 5.1 μg/m3 (21) 24.0
 
May 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 25.0
 
May 14, 2019, 8 a.m. N/A N/A 0.5 ppb (0) N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A 12.0 μg/m3 (11) 4.1 μg/m3 (17) 28.0
 
May 14, 2019, 7 a.m. N/A N/A 0.5 ppb (0) N/A N/A N/A 40.0 ppb (31) N/A 14.0 μg/m3 (13) 5.9 μg/m3 (25) 31.0
 
May 14, 2019, 6 a.m. N/A N/A 0.5 ppb (0) N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A 9.0 μg/m3 (8) 5.1 μg/m3 (21) 28.0
 
May 14, 2019, 5 a.m. N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
May 14, 2019, 4 a.m. N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 3.2 μg/m3 (13) 13.0
 
May 14, 2019, 3 a.m. N/A N/A 0.4 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 8.0 μg/m3 (7) 2.1 μg/m3 (9) 21.0
 
May 14, 2019, 2 a.m. N/A N/A 0.5 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A 11.0 μg/m3 (10) 1.1 μg/m3 (5) 22.0
 
May 14, 2019, 1 a.m. N/A N/A 0.6 ppb (1) N/A N/A 1.0 ppb (1) 30.0 ppb (23) N/A 11.0 μg/m3 (10) 2.9 μg/m3 (12) 23.0
 
May 14, 2019, midnight N/A N/A 0.7 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 31.0
 
May 13, 2019, 11 p.m. N/A N/A 0.7 ppb (1) N/A N/A N/A 45.0 ppb (35) N/A 9.0 μg/m3 (8) 3.1 μg/m3 (13) 35.0
 
May 13, 2019, 10 p.m. N/A N/A 0.6 ppb (1) N/A N/A N/A 47.0 ppb (36) N/A 9.0 μg/m3 (8) -1.8 μg/m3 (0) 36.0
 
May 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 11.0 μg/m3 (10) 0.9 μg/m3 (4) 35.0
 
May 13, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 45.0 ppb (35) N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 35.0
 
May 13, 2019, 7 p.m. N/A N/A 0.5 ppb (0) N/A N/A 1.0 ppb (1) 44.0 ppb (34) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 34.0
 
May 13, 2019, 6 p.m. N/A N/A 0.3 ppb (0) N/A N/A 1.0 ppb (1) 43.0 ppb (33) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 33.0
 
May 13, 2019, 5 p.m. N/A N/A 0.5 ppb (0) N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A 6.0 μg/m3 (5) 1.1 μg/m3 (5) 32.0
 
May 13, 2019, 4 p.m. N/A N/A 0.5 ppb (0) N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 32.0
 
May 13, 2019, 3 p.m. N/A N/A 0.5 ppb (0) N/A N/A 1.0 ppb (1) 31.0 ppb (24) N/A 6.0 μg/m3 (5) -0.9 μg/m3 (0) 24.0
 
May 13, 2019, 2 p.m. N/A N/A 0.3 ppb (0) N/A N/A 1.0 ppb (1) 18.0 ppb (14) N/A 7.0 μg/m3 (6) -3.8 μg/m3 (0) 14.0
 
May 13, 2019, 1 p.m. N/A N/A 0.3 ppb (0) N/A N/A 1.0 ppb (1) 12.0 ppb (9) N/A 10.0 μg/m3 (9) -0.2 μg/m3 (0) 9.0
 
May 13, 2019, noon N/A N/A 0.4 ppb (0) N/A N/A 0.0 ppb (0) 6.0 ppb (5) N/A 11.0 μg/m3 (10) 1.9 μg/m3 (8) 10.0
 
May 13, 2019, 11 a.m. N/A N/A 0.4 ppb (0) N/A N/A 0.0 ppb (0) 5.0 ppb (4) N/A 7.0 μg/m3 (6) 0.1 μg/m3 (0) 6.0
 
May 13, 2019, 10 a.m. N/A N/A 0.0 ppb (0) N/A N/A 0.0 ppb (0) 8.0 ppb (6) N/A 7.0 μg/m3 (6) 2.9 μg/m3 (12) 12.0
 
May 13, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (6) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
May 13, 2019, 8 a.m. N/A N/A 0.6 ppb (1) N/A N/A 1.0 ppb (1) 8.0 ppb (6) N/A 9.0 μg/m3 (8) 4.9 μg/m3 (20) 20.0
 
May 13, 2019, 7 a.m. N/A N/A 0.6 ppb (1) N/A N/A N/A 9.0 ppb (7) N/A 13.0 μg/m3 (12) 4.1 μg/m3 (17) 17.0
 
May 13, 2019, 6 a.m. N/A N/A 0.6 ppb (1) N/A N/A 1.0 ppb (1) 9.0 ppb (7) N/A 11.0 μg/m3 (10) 1.2 μg/m3 (5) 10.0
 
May 13, 2019, 5 a.m. N/A N/A 0.5 ppb (0) N/A N/A 1.0 ppb (1) N/A N/A 7.0 μg/m3 (6) 2.9 μg/m3 (12) 12.0
 
May 13, 2019, 4 a.m. N/A N/A 0.5 ppb (0) N/A N/A 1.0 ppb (1) N/A N/A 8.0 μg/m3 (7) 2.1 μg/m3 (9) 9.0
 
May 13, 2019, 3 a.m. N/A N/A 0.4 ppb (0) N/A N/A 1.0 ppb (1) 16.0 ppb (12) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 12.0
 
May 13, 2019, 2 a.m. N/A N/A 0.2 ppb (0) N/A N/A 1.0 ppb (1) 22.0 ppb (17) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 17.0
 
May 13, 2019, 1 a.m. N/A N/A 0.3 ppb (0) N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A 9.0 μg/m3 (8) -2.8 μg/m3 (0) 22.0
 
May 13, 2019, midnight N/A N/A 0.4 ppb (0) N/A N/A 1.0 ppb (1) 37.0 ppb (28) N/A 10.0 μg/m3 (9) -2.1 μg/m3 (0) 28.0
 
May 12, 2019, 11 p.m. N/A N/A 0.5 ppb (0) N/A N/A 1.0 ppb (1) 40.0 ppb (31) N/A 10.0 μg/m3 (9) 2.8 μg/m3 (12) 31.0
 
May 12, 2019, 10 p.m. N/A N/A 0.5 ppb (0) N/A N/A 1.0 ppb (1) 42.0 ppb (32) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 32.0
 
May 12, 2019, 9 p.m. N/A N/A 0.5 ppb (0) N/A N/A 1.0 ppb (1) 43.0 ppb (33) N/A 8.0 μg/m3 (7) -0.8 μg/m3 (0) 33.0
 
May 12, 2019, 8 p.m. N/A N/A 0.5 ppb (0) N/A N/A 1.0 ppb (1) 44.0 ppb (34) N/A 12.0 μg/m3 (11) -0.1 μg/m3 (0) 34.0
 
May 12, 2019, 7 p.m. N/A N/A 0.5 ppb (0) N/A N/A 1.0 ppb (1) 44.0 ppb (34) N/A 10.0 μg/m3 (9) 1.9 μg/m3 (8) 34.0
 
May 12, 2019, 6 p.m. N/A N/A 0.5 ppb (0) N/A N/A 1.0 ppb (1) 42.0 ppb (32) N/A 6.0 μg/m3 (5) 4.8 μg/m3 (20) 32.0
 
May 12, 2019, 5 p.m. N/A N/A 0.6 ppb (1) N/A N/A 1.0 ppb (1) 39.0 ppb (30) N/A 16.0 μg/m3 (15) 2.2 μg/m3 (9) 30.0
 
May 12, 2019, 4 p.m. N/A N/A 0.6 ppb (1) N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 27.0
 
May 12, 2019, 3 p.m. N/A N/A 0.8 ppb (1) N/A N/A 1.0 ppb (1) 33.0 ppb (25) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 25.0
 
May 12, 2019, 2 p.m. N/A N/A 0.9 ppb (1) N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 22.0
 
May 12, 2019, 1 p.m. N/A N/A 0.5 ppb (0) N/A N/A 1.0 ppb (1) 24.0 ppb (18) N/A 11.0 μg/m3 (10) 3.1 μg/m3 (13) 18.0
 
May 12, 2019, noon N/A N/A 0.2 ppb (0) N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A 15.0 μg/m3 (14) 4.9 μg/m3 (20) 20.0