AQSQID: 400710604

Site Name: Ponca City

Location: Ponca City, OK

Reporting: True, Located: True

Current AQI: 11.0

Ponca City OK, US: 36.697189, -97.081278

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 2.6 μg/m3 (11) 11.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 2.6 μg/m3 (11) 11.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 2.4 μg/m3 (10) 20.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 32.0 μg/m3 (93) 93.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 1.2 μg/m3 (5) 7.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 6.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 0.9 μg/m3 (4) 5.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 0.9 μg/m3 (4) 5.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 0.8 μg/m3 (3) 5.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 0.9 μg/m3 (4) 5.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 1.1 μg/m3 (5) 5.0
 
May 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 1.8 μg/m3 (8) 8.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 3.1 μg/m3 (13) 13.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 4.1 μg/m3 (17) 17.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 3.5 μg/m3 (15) 15.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 1.2 μg/m3 (5) 7.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 0.9 μg/m3 (4) 7.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 1.3 μg/m3 (5) 5.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 0.7 μg/m3 (3) 5.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 0.6 μg/m3 (2) 6.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 0.8 μg/m3 (3) 5.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 0.7 μg/m3 (3) 5.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 0.8 μg/m3 (3) 5.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 0.8 μg/m3 (3) 5.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 1.1 μg/m3 (5) 6.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 1.4 μg/m3 (6) 6.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 2.1 μg/m3 (9) 9.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 3.3 μg/m3 (14) 14.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 4.2 μg/m3 (18) 18.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 3.9 μg/m3 (16) 16.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 3.7 μg/m3 (15) 15.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 3.7 μg/m3 (15) 15.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 2.7 μg/m3 (11) 11.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 2.5 μg/m3 (10) 10.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 3.3 μg/m3 (14) 14.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 4.4 μg/m3 (18) 18.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 9.0 μg/m3 (8) 4.5 μg/m3 (19) 19.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 9.0 μg/m3 (8) 4.1 μg/m3 (17) 17.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 9.0 μg/m3 (8) 4.2 μg/m3 (18) 18.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 9.0 μg/m3 (8) 4.2 μg/m3 (18) 18.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 10.0 μg/m3 (9) 4.2 μg/m3 (18) 18.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 10.0 μg/m3 (9) 4.3 μg/m3 (18) 18.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 9.0 μg/m3 (8) 4.3 μg/m3 (18) 18.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 4.3 μg/m3 (18) 18.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 3.9 μg/m3 (16) 16.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 4.9 μg/m3 (20) 20.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 5.7 μg/m3 (24) 24.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 16.0 μg/m3 (15) 8.2 μg/m3 (34) 34.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) N/A N/A 20.0 μg/m3 (18) 11.8 μg/m3 (49) 49.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A 20.0 μg/m3 (18) 11.8 μg/m3 (49) 49.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A 3.0 ppb (4) N/A N/A 19.0 μg/m3 (17) 11.4 μg/m3 (48) 48.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) N/A N/A 19.0 μg/m3 (17) 10.9 μg/m3 (45) 45.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 18.0 μg/m3 (16) 10.4 μg/m3 (43) 43.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) N/A N/A 17.0 μg/m3 (15) 10.2 μg/m3 (42) 42.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) N/A N/A 17.0 μg/m3 (15) 9.9 μg/m3 (41) 41.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 18.0 ppb (26) N/A N/A 16.0 μg/m3 (15) 9.6 μg/m3 (40) 40.0
 
May 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 18.0 μg/m3 (16) 9.2 μg/m3 (38) 38.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 17.0 μg/m3 (15) 9.2 μg/m3 (38) 38.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 9.5 μg/m3 (40) 40.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 9.5 μg/m3 (40) 40.0
 
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 10.4 μg/m3 (43) 43.0
 
May 18, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) N/A N/A 22.0 μg/m3 (20) 10.1 μg/m3 (42) 42.0
 
May 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) N/A N/A 24.0 μg/m3 (22) 9.8 μg/m3 (41) 41.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 24.0 μg/m3 (22) 9.6 μg/m3 (40) 40.0
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
May 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 μg/m3 (36) 11.1 μg/m3 (46) 46.0
 
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 48.0 μg/m3 (44) 11.6 μg/m3 (48) 48.0
 
May 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 48.0 μg/m3 (44) 12.0 μg/m3 (50) 50.0
 
May 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 μg/m3 (35) 11.9 μg/m3 (50) 50.0
 
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 30.0 μg/m3 (27) 11.7 μg/m3 (49) 49.0
 
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 37.0 μg/m3 (34) 12.5 μg/m3 (51) 51.0
 
May 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 35.0 μg/m3 (32) 12.1 μg/m3 (50) 50.0
 
May 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 32.0 μg/m3 (29) 11.2 μg/m3 (47) 47.0
 
May 17, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (23) 10.1 μg/m3 (42) 42.0
 
May 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
May 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
May 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
May 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 8.7 μg/m3 (36) 36.0
 
May 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 9.1 μg/m3 (38) 38.0
 
May 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 9.5 μg/m3 (40) 40.0
 
May 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 9.7 μg/m3 (40) 40.0
 
May 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 9.4 μg/m3 (39) 39.0
 
May 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 8.4 μg/m3 (35) 35.0
 
May 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 9.3 μg/m3 (39) 39.0
 
May 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (24) 10.2 μg/m3 (42) 42.0
 
May 17, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (22) 10.9 μg/m3 (45) 45.0
 
May 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) 12.1 μg/m3 (50) 50.0
 
May 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 34.0 μg/m3 (31) 11.7 μg/m3 (49) 49.0
 
May 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 μg/m3 (28) 10.8 μg/m3 (45) 45.0
 
May 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 40.0 μg/m3 (36) 11.0 μg/m3 (46) 46.0
 
May 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 45.0 μg/m3 (41) 11.0 μg/m3 (46) 46.0
 
May 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 32.0 μg/m3 (29) 9.9 μg/m3 (41) 41.0
 
May 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (25) 10.1 μg/m3 (42) 42.0
 
May 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (23) 9.6 μg/m3 (40) 40.0
 
May 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 8.9 μg/m3 (37) 37.0
 
May 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 8.6 μg/m3 (36) 36.0
 
May 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 25.0 μg/m3 (23) 9.8 μg/m3 (41) 41.0
 
May 16, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 μg/m3 (25) 11.9 μg/m3 (50) 50.0
 
May 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 10.6 μg/m3 (44) 44.0
 
May 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 10.7 μg/m3 (45) 45.0
 
May 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 9.8 μg/m3 (41) 41.0
 
May 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 10.6 μg/m3 (44) 44.0
 
May 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 9.7 μg/m3 (40) 40.0
 
May 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 9.9 μg/m3 (41) 41.0
 
May 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (22) 10.3 μg/m3 (43) 43.0
 
May 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 10.2 μg/m3 (42) 42.0
 
May 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 9.7 μg/m3 (40) 40.0
 
May 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 8.7 μg/m3 (36) 36.0
 
May 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 24.0 μg/m3 (22) 8.9 μg/m3 (37) 37.0
 
May 16, 2019, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 21.0 μg/m3 (19) 8.4 μg/m3 (35) 35.0
 
May 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 20.0 μg/m3 (18) 8.6 μg/m3 (36) 36.0
 
May 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 24.0 μg/m3 (22) 8.0 μg/m3 (33) 33.0
 
May 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 24.0 μg/m3 (22) 8.0 μg/m3 (33) 33.0
 
May 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 μg/m3 (29) 8.2 μg/m3 (34) 34.0
 
May 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 μg/m3 (25) 7.7 μg/m3 (32) 32.0
 
May 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A N/A
May 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 6.7 μg/m3 (28) 28.0
 
May 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 6.3 μg/m3 (26) 26.0
 
May 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 6.1 μg/m3 (25) 25.0
 
May 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 6.2 μg/m3 (26) 26.0
 
May 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 μg/m3 (25) 9.5 μg/m3 (40) 40.0
 
May 15, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) 9.1 μg/m3 (38) 38.0
 
May 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 8.8 μg/m3 (37) 37.0
 
May 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 7.7 μg/m3 (32) 32.0
 
May 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 7.8 μg/m3 (32) 32.0
 
May 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
May 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 7.2 μg/m3 (30) 30.0
 
May 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
May 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 7.9 μg/m3 (33) 33.0
 
May 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 7.2 μg/m3 (30) 30.0
 
May 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 7.5 μg/m3 (31) 31.0
 
May 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 7.2 μg/m3 (30) 30.0
 
May 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 26.0 μg/m3 (24) 9.3 μg/m3 (39) 39.0
 
May 15, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 19.0 μg/m3 (17) 6.3 μg/m3 (26) 26.0
 
May 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 22.0 μg/m3 (20) 6.4 μg/m3 (27) 27.0
 
May 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 21.0 μg/m3 (19) 6.3 μg/m3 (26) 26.0
 
May 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 22.0 μg/m3 (20) 6.1 μg/m3 (25) 25.0
 
May 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
May 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
May 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
May 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 5.8 μg/m3 (24) 24.0
 
May 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 6.7 μg/m3 (28) 28.0
 
May 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
May 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 14.0 μg/m3 (13) 5.8 μg/m3 (24) 24.0
 
May 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 6.9 μg/m3 (29) 29.0
 
May 14, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 7.9 μg/m3 (33) 33.0
 
May 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 6.3 μg/m3 (26) 26.0
 
May 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 6.1 μg/m3 (25) 25.0
 
May 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
May 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
May 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
May 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
May 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 5.6 μg/m3 (23) 23.0
 
May 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 5.6 μg/m3 (23) 23.0
 
May 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 5.5 μg/m3 (23) 23.0
 
May 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 5.4 μg/m3 (23) 23.0
 
May 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 5.4 μg/m3 (23) 23.0
 
May 14, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 5.7 μg/m3 (24) 24.0
 
May 13, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 5.5 μg/m3 (23) 23.0
 
May 13, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 5.1 μg/m3 (21) 21.0
 
May 13, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 4.8 μg/m3 (20) 20.0
 
May 13, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 4.4 μg/m3 (18) 18.0
 
May 13, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 4.1 μg/m3 (17) 17.0
 
May 13, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 3.9 μg/m3 (16) 16.0
 
May 13, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 3.5 μg/m3 (15) 15.0