AQSQID: 400710604

Site Name: Ponca City

Location: Ponca City, OK

Reporting: True, Located: True

Current AQI: 20.0

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
Jan. 20, 2019, 11 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) 4.7 μg/m3 (20) 20.0
 
Jan. 20, 2019, 10 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) 5.5 μg/m3 (23) 23.0
 
Jan. 20, 2019, 9 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) 5.4 μg/m3 (23) 23.0
 
Jan. 20, 2019, 8 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) 4.9 μg/m3 (20) 20.0
 
Jan. 20, 2019, 7 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) 5.2 μg/m3 (22) 22.0
 
Jan. 20, 2019, 6 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) 5.5 μg/m3 (23) 23.0
 
Jan. 20, 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) 6.5 μg/m3 (27) 27.0
 
Jan. 20, 2019, 4 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) 6.3 μg/m3 (26) 26.0
 
Jan. 20, 2019, 3 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) 5.5 μg/m3 (23) 23.0
 
Jan. 20, 2019, 2 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) 4.3 μg/m3 (18) 18.0
 
Jan. 20, 2019, 1 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) 5.1 μg/m3 (21) 21.0
 
Jan. 20, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 4.4 μg/m3 (18) 18.0
 
Jan. 20, 2019, 11 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) 4.6 μg/m3 (19) 19.0
 
Jan. 20, 2019, 10 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) 5.7 μg/m3 (24) 24.0
 
Jan. 20, 2019, 9 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) 4.4 μg/m3 (18) 18.0
 
Jan. 20, 2019, 8 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) 4.6 μg/m3 (19) 19.0
 
Jan. 20, 2019, 7 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) 4.3 μg/m3 (18) 18.0
 
Jan. 20, 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) 4.3 μg/m3 (18) 18.0
 
Jan. 20, 2019, 5 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) 6.2 μg/m3 (26) 26.0
 
Jan. 20, 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) 5.6 μg/m3 (23) 23.0
 
Jan. 20, 2019, 3 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) 4.7 μg/m3 (20) 20.0
 
Jan. 20, 2019, 2 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) 4.7 μg/m3 (20) 20.0
 
Jan. 20, 2019, 1 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) 4.3 μg/m3 (18) 18.0
 
Jan. 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) 4.5 μg/m3 (19) 19.0
 
Jan. 19, 2019, 11 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) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2019, 10 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) 4.7 μg/m3 (20) 20.0
 
Jan. 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) 4.5 μg/m3 (19) 19.0
 
Jan. 19, 2019, 8 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) 5.3 μg/m3 (22) 22.0
 
Jan. 19, 2019, 7 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) 5.4 μg/m3 (23) 23.0
 
Jan. 19, 2019, 6 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) 6.7 μg/m3 (28) 28.0
 
Jan. 19, 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) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2019, 4 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) 6.6 μg/m3 (28) 28.0
 
Jan. 19, 2019, 3 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) 7.9 μg/m3 (33) 33.0
 
Jan. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 9.1 μg/m3 (38) 38.0
 
Jan. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 9.9 μg/m3 (41) 41.0
 
Jan. 19, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 9.4 μg/m3 (39) 39.0
 
Jan. 19, 2019, 11 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) 9.1 μg/m3 (38) 38.0
 
Jan. 19, 2019, 10 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) 8.3 μg/m3 (35) 35.0
 
Jan. 19, 2019, 9 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) 10.9 μg/m3 (45) 45.0
 
Jan. 19, 2019, 8 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) 13.8 μg/m3 (54) 54.0
 
Jan. 19, 2019, 7 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) 11.1 μg/m3 (46) 46.0
 
Jan. 19, 2019, 6 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) 7.3 μg/m3 (30) 30.0
 
Jan. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 3.1 μg/m3 (13) 13.0
 
Jan. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 1.0 μg/m3 (1) 0.7 μg/m3 (3) 3.0
 
Jan. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 2.1 μg/m3 (9) 9.0
 
Jan. 19, 2019, 2 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) 11.2 μg/m3 (47) 47.0
 
Jan. 19, 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) 11.3 μg/m3 (47) 47.0
 
Jan. 19, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 15.0 μg/m3 (14) 10.8 μg/m3 (45) 45.0
 
Jan. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A 15.0 μg/m3 (14) 10.7 μg/m3 (45) 45.0
 
Jan. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) N/A N/A 15.0 μg/m3 (14) 10.4 μg/m3 (43) 43.0
 
Jan. 18, 2019, 8 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) 10.9 μg/m3 (45) 45.0
 
Jan. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 15.0 μg/m3 (14) 11.3 μg/m3 (47) 47.0
 
Jan. 18, 2019, 6 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) 11.7 μg/m3 (49) 49.0
 
Jan. 18, 2019, 5 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) 11.2 μg/m3 (47) 47.0
 
Jan. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 10.8 μg/m3 (45) 45.0
 
Jan. 18, 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) 9.9 μg/m3 (41) 41.0
 
Jan. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 10.9 μg/m3 (45) 45.0
 
Jan. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 10.9 μg/m3 (45) 45.0
 
Jan. 18, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 11.8 μg/m3 (49) 49.0
 
Jan. 18, 2019, 11 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) 13.1 μg/m3 (52) 52.0
 
Jan. 18, 2019, 10 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) 15.2 μg/m3 (57) 57.0
 
Jan. 18, 2019, 9 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) 15.0 μg/m3 (56) 56.0
 
Jan. 18, 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) 13.0 μg/m3 (52) 52.0
 
Jan. 18, 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) 13.4 μg/m3 (53) 53.0
 
Jan. 18, 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) 15.0 μg/m3 (56) 56.0
 
Jan. 18, 2019, 5 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) 15.3 μg/m3 (57) 57.0
 
Jan. 18, 2019, 4 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) 15.1 μg/m3 (57) 57.0
 
Jan. 18, 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) 15.5 μg/m3 (57) 57.0
 
Jan. 18, 2019, 2 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) 14.9 μg/m3 (56) 56.0
 
Jan. 18, 2019, 1 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) 13.3 μg/m3 (53) 53.0
 
Jan. 18, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 11.8 μg/m3 (49) 49.0
 
Jan. 17, 2019, 11 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) 10.9 μg/m3 (45) 45.0
 
Jan. 17, 2019, 10 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) 10.8 μg/m3 (45) 45.0
 
Jan. 17, 2019, 9 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) 10.5 μg/m3 (44) 44.0
 
Jan. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2019, 7 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) 10.9 μg/m3 (45) 45.0
 
Jan. 17, 2019, 6 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) 10.4 μg/m3 (43) 43.0
 
Jan. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 9.4 μg/m3 (39) 39.0
 
Jan. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 13.3 μg/m3 (53) 53.0
 
Jan. 17, 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) 10.7 μg/m3 (45) 45.0
 
Jan. 17, 2019, 2 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) 10.4 μg/m3 (43) 43.0
 
Jan. 17, 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) 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 9.3 μg/m3 (39) 39.0
 
Jan. 17, 2019, 11 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) 7.6 μg/m3 (32) 32.0
 
Jan. 17, 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) 6.4 μg/m3 (27) 27.0
 
Jan. 17, 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) 10.3 μg/m3 (43) 43.0
 
Jan. 17, 2019, 8 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) 10.5 μg/m3 (44) 44.0
 
Jan. 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) 13.2 μg/m3 (53) 53.0
 
Jan. 17, 2019, 6 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) 13.6 μg/m3 (53) 53.0
 
Jan. 17, 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) 16.7 μg/m3 (60) 60.0
 
Jan. 17, 2019, 4 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) 16.8 μg/m3 (60) 60.0
 
Jan. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) 18.8 μg/m3 (64) 64.0
 
Jan. 17, 2019, 2 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) 17.9 μg/m3 (63) 63.0
 
Jan. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (25) 18.4 μg/m3 (64) 64.0
 
Jan. 17, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (26) 19.4 μg/m3 (66) 66.0
 
Jan. 16, 2019, 11 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) 19.8 μg/m3 (67) 67.0
 
Jan. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 27.0 μg/m3 (25) 18.3 μg/m3 (63) 63.0
 
Jan. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 23.0 μg/m3 (21) 15.7 μg/m3 (58) 58.0
 
Jan. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 23.0 μg/m3 (21) 15.4 μg/m3 (57) 57.0
 
Jan. 16, 2019, 7 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) 14.4 μg/m3 (55) 55.0
 
Jan. 16, 2019, 6 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) 14.9 μg/m3 (56) 56.0
 
Jan. 16, 2019, 5 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) 15.7 μg/m3 (58) 58.0
 
Jan. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 23.0 μg/m3 (21) 16.4 μg/m3 (59) 59.0
 
Jan. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (22) 17.2 μg/m3 (61) 61.0
 
Jan. 16, 2019, 2 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) 17.7 μg/m3 (62) 62.0
 
Jan. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 27.0 μg/m3 (25) 18.8 μg/m3 (64) 64.0
 
Jan. 16, 2019, noon N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 26.0 μg/m3 (24) 18.5 μg/m3 (64) 64.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) N/A N/A 25.0 μg/m3 (23) 17.9 μg/m3 (63) 63.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 24.0 μg/m3 (22) 17.0 μg/m3 (61) 61.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 22.0 μg/m3 (20) 15.4 μg/m3 (57) 57.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 18.0 μg/m3 (16) 12.9 μg/m3 (52) 52.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 15.0 μg/m3 (14) 10.7 μg/m3 (45) 45.0
 
Jan. 16, 2019, 6 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) 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2019, 5 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) 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2019, 4 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) 10.5 μg/m3 (44) 44.0
 
Jan. 16, 2019, 3 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) 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2019, 2 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) 10.5 μg/m3 (44) 44.0
 
Jan. 16, 2019, 1 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) 9.7 μg/m3 (40) 40.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 9.9 μg/m3 (41) 41.0
 
Jan. 15, 2019, 11 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) 10.2 μg/m3 (42) 42.0
 
Jan. 15, 2019, 10 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) 11.3 μg/m3 (47) 47.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 11.5 μg/m3 (48) 48.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 12.6 μg/m3 (51) 51.0
 
Jan. 15, 2019, 7 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) 14.1 μg/m3 (54) 54.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (24) 14.8 μg/m3 (56) 56.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 27.0 μg/m3 (25) 16.8 μg/m3 (60) 60.0
 
Jan. 15, 2019, 4 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) 17.4 μg/m3 (61) 61.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 23.0 μg/m3 (21) 15.5 μg/m3 (57) 57.0
 
Jan. 15, 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) 15.1 μg/m3 (57) 57.0
 
Jan. 15, 2019, 1 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) 15.2 μg/m3 (57) 57.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 14.8 μg/m3 (56) 56.0
 
Jan. 15, 2019, 11 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) 14.3 μg/m3 (55) 55.0
 
Jan. 15, 2019, 10 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) 13.4 μg/m3 (53) 53.0
 
Jan. 15, 2019, 9 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) 12.8 μg/m3 (52) 52.0
 
Jan. 15, 2019, 8 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) 12.6 μg/m3 (51) 51.0
 
Jan. 15, 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) 12.9 μg/m3 (52) 52.0
 
Jan. 15, 2019, 6 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) 13.5 μg/m3 (53) 53.0
 
Jan. 15, 2019, 5 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) 13.8 μg/m3 (54) 54.0
 
Jan. 15, 2019, 4 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) 11.5 μg/m3 (48) 48.0
 
Jan. 15, 2019, 3 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) 12.2 μg/m3 (50) 50.0
 
Jan. 15, 2019, 2 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) 13.2 μg/m3 (53) 53.0
 
Jan. 15, 2019, 1 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) 14.9 μg/m3 (56) 56.0
 
Jan. 15, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 14.7 μg/m3 (56) 56.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 14.6 μg/m3 (56) 56.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 20.0 μg/m3 (18) 14.2 μg/m3 (55) 55.0
 
Jan. 14, 2019, 9 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) 15.3 μg/m3 (57) 57.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 15.2 μg/m3 (57) 57.0
 
Jan. 14, 2019, 7 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) 13.9 μg/m3 (54) 54.0
 
Jan. 14, 2019, 6 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) 19.3 μg/m3 (66) 66.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (24) 19.9 μg/m3 (67) 67.0
 
Jan. 14, 2019, 4 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) 12.9 μg/m3 (52) 52.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2019, 2 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) 10.9 μg/m3 (45) 45.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 10.5 μg/m3 (44) 44.0
 
Jan. 14, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 11.1 μg/m3 (46) 46.0
 
Jan. 14, 2019, 11 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) 13.1 μg/m3 (52) 52.0
 
Jan. 14, 2019, 10 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) 15.2 μg/m3 (57) 57.0
 
Jan. 14, 2019, 9 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) 16.8 μg/m3 (60) 60.0
 
Jan. 14, 2019, 8 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) 16.9 μg/m3 (60) 60.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (23) 17.1 μg/m3 (61) 61.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (23) 16.7 μg/m3 (60) 60.0
 
Jan. 14, 2019, 5 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) 14.9 μg/m3 (56) 56.0
 
Jan. 14, 2019, 4 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) 14.3 μg/m3 (55) 55.0
 
Jan. 14, 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) 13.3 μg/m3 (53) 53.0
 
Jan. 14, 2019, 2 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) 13.1 μg/m3 (52) 52.0
 
Jan. 14, 2019, 1 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) 15.0 μg/m3 (56) 56.0
 
Jan. 14, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 11.2 μg/m3 (47) 47.0