AQSQID: 295100093

Site Name: Branch Street

Location: Saint Louis (Near N Rivfront), MO

Reporting: True, Located: True

Current AQI: 20.0

Saint Louis (Near N Rivfront) MO, US: 38.65643, -90.18977

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 4.8 μg/m3 (20) 20.0
 
Jan. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.2 μg/m3 (13) 13.0
 
Jan. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 1.5 μg/m3 (6) 6.0
 
Jan. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.9 μg/m3 (16) 16.0
 
Jan. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.9 μg/m3 (29) 29.0
 
Jan. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.4 μg/m3 (14) 14.0
 
Jan. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 0.5 μg/m3 (2) 3.0
 
Jan. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 0.2 μg/m3 (1) 3.0
 
Jan. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) -0.3 μg/m3 (0) 2.0
 
Jan. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 2.4 μg/m3 (10) 10.0
 
Jan. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.8 μg/m3 (3) 5.0
 
Jan. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) -1.9 μg/m3 (0) 7.0
 
Jan. 18, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 0.8 μg/m3 (3) 5.0
 
Jan. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.6 μg/m3 (11) 11.0
 
Jan. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 2.1 μg/m3 (9) 9.0
 
Jan. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.5 μg/m3 (10) 10.0
 
Jan. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 7.5 μg/m3 (31) 31.0
 
Jan. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 3.4 μg/m3 (14) 14.0
 
Jan. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 6.2 μg/m3 (26) 26.0
 
Jan. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 8.4 μg/m3 (35) 35.0
 
Jan. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 12.3 μg/m3 (51) 51.0
 
Jan. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 10.2 μg/m3 (42) 42.0
 
Jan. 18, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 11.2 μg/m3 (47) 47.0
 
Jan. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 14.4 μg/m3 (55) 55.0
 
Jan. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 10.8 μg/m3 (45) 45.0
 
Jan. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) N/A 22.0
 
Jan. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (52) 66.9 μg/m3 (156) 156.0
 
Jan. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (48) 43.8 μg/m3 (121) 121.0
 
Jan. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 24.4 μg/m3 (76) 76.0
 
Jan. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 90.0 μg/m3 (68) 53.6 μg/m3 (145) 145.0
 
Jan. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 82.0 μg/m3 (64) 23.1 μg/m3 (74) 74.0
 
Jan. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (52) 18.3 μg/m3 (63) 63.0
 
Jan. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (56) 13.6 μg/m3 (53) 56.0
 
Jan. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 9.2 μg/m3 (38) 40.0
 
Jan. 17, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.7 μg/m3 (15) 15.0
 
Jan. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.8 μg/m3 (24) 24.0
 
Jan. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.1 μg/m3 (21) 21.0
 
Jan. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 5.2 μg/m3 (22) 22.0
 
Jan. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 7.9 μg/m3 (33) 33.0
 
Jan. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.6 μg/m3 (23) 23.0
 
Jan. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 9.8 μg/m3 (41) 41.0
 
Jan. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 8.2 μg/m3 (34) 34.0
 
Jan. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.6 μg/m3 (19) 19.0
 
Jan. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 1.3 μg/m3 (5) 9.0
 
Jan. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 2.5 μg/m3 (10) 12.0
 
Jan. 17, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 6.8 μg/m3 (28) 28.0
 
Jan. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.2 μg/m3 (13) 15.0
 
Jan. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 6.7 μg/m3 (28) 28.0
 
Jan. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 2.0 μg/m3 (8) 18.0
 
Jan. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 6.6 μg/m3 (28) 28.0
 
Jan. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 4.7 μg/m3 (20) 30.0
 
Jan. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 5.6 μg/m3 (23) 23.0
 
Jan. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 7.9 μg/m3 (33) 33.0
 
Jan. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 5.1 μg/m3 (21) 21.0
 
Jan. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 4.9 μg/m3 (20) 28.0
 
Jan. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 11.3 μg/m3 (47) 47.0
 
Jan. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (45) 11.3 μg/m3 (47) 47.0
 
Jan. 16, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 14.2 μg/m3 (55) 55.0
 
Jan. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 15.2 μg/m3 (57) 57.0
 
Jan. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 11.6 μg/m3 (48) 48.0
 
Jan. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 8.6 μg/m3 (36) 36.0
 
Jan. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 6.9 μg/m3 (29) 29.0
 
Jan. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 10.5 μg/m3 (44) 44.0
 
Jan. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 12.4 μg/m3 (51) 51.0
 
Jan. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 13.4 μg/m3 (53) 53.0
 
Jan. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.2 μg/m3 (22) 22.0
 
Jan. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 7.9 μg/m3 (33) 33.0
 
Jan. 16, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 7.6 μg/m3 (32) 32.0
 
Jan. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.7 μg/m3 (24) 24.0
 
Jan. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 5.4 μg/m3 (23) 23.0
 
Jan. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 9.9 μg/m3 (41) 41.0
 
Jan. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 5.5 μg/m3 (23) 23.0
 
Jan. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 6.2 μg/m3 (26) 26.0
 
Jan. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 0.0 μg/m3 (0) 16.0
 
Jan. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) N/A 12.0
 
Jan. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Jan. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
Jan. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) N/A 15.0
 
Jan. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) N/A 18.0
 
Jan. 15, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
Jan. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
Jan. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Jan. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
Jan. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Jan. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) N/A 11.0
 
Jan. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) N/A 7.0
 
Jan. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) N/A 11.0
 
Jan. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Jan. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) N/A 19.0
 
Jan. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) N/A 29.0
 
Jan. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) N/A 32.0
 
Jan. 15, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) N/A 23.0
 
Jan. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) N/A 30.0
 
Jan. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) N/A 30.0
 
Jan. 14, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) N/A 27.0
 
Jan. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) N/A 26.0
 
Jan. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) N/A 16.0
 
Jan. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Jan. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) N/A 17.0
 
Jan. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) N/A 17.0
 
Jan. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) N/A 29.0
 
Jan. 14, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (58) N/A 58.0
 
Jan. 14, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
Jan. 14, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) N/A 9.0
 
Jan. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) N/A 9.0
 
Jan. 14, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) N/A 9.0
 
Jan. 14, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) N/A 7.0
 
Jan. 14, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) N/A 7.0
 
Jan. 14, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) N/A 7.0
 
Jan. 14, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) N/A 8.0
 
Jan. 14, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) N/A 9.0
 
Jan. 14, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) N/A 8.0
 
Jan. 14, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) N/A 9.0
 
Jan. 14, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) N/A 11.0
 
Jan. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) N/A 7.0
 
Jan. 14, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) N/A 9.0
 
Jan. 13, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) N/A 8.0
 
Jan. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) N/A 8.0
 
Jan. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Jan. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) N/A 18.0
 
Jan. 13, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) N/A 16.0
 
Jan. 13, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) N/A 10.0
 
Jan. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) N/A 9.0
 
Jan. 13, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) N/A 16.0
 
Jan. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) N/A 16.0
 
Jan. 13, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) N/A 9.0
 
Jan. 13, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 9.4 μg/m3 (39) 39.0
 
Jan. 13, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.9 μg/m3 (25) 25.0
 
Jan. 13, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 6.5 μg/m3 (27) 27.0
 
Jan. 13, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.1 μg/m3 (21) 21.0
 
Jan. 13, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 7.3 μg/m3 (30) 30.0
 
Jan. 13, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.6 μg/m3 (23) 23.0
 
Jan. 13, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.8 μg/m3 (12) 12.0
 
Jan. 13, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 13, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.5 μg/m3 (15) 15.0
 
Jan. 13, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.2 μg/m3 (22) 22.0
 
Jan. 13, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 7.1 μg/m3 (30) 30.0
 
Jan. 13, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 8.5 μg/m3 (35) 35.0
 
Jan. 12, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 7.9 μg/m3 (33) 33.0
 
Jan. 12, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 6.3 μg/m3 (26) 26.0
 
Jan. 12, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.9 μg/m3 (29) 29.0
 
Jan. 12, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.2 μg/m3 (22) 22.0
 
Jan. 12, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 10.4 μg/m3 (43) 43.0
 
Jan. 12, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 11.4 μg/m3 (48) 48.0
 
Jan. 12, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 12, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 9.4 μg/m3 (39) 39.0
 
Jan. 12, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 11.0 μg/m3 (46) 46.0
 
Jan. 12, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 10.8 μg/m3 (45) 45.0
 
Jan. 12, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 9.6 μg/m3 (40) 40.0
 
Jan. 12, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 10.5 μg/m3 (44) 44.0
 
Jan. 12, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 8.0 μg/m3 (33) 33.0
 
Jan. 12, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.4 μg/m3 (23) 23.0
 
Jan. 12, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.3 μg/m3 (18) 18.0
 
Jan. 12, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.6 μg/m3 (19) 19.0
 
Jan. 12, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -0.2 μg/m3 (0) 5.0
 
Jan. 12, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.9 μg/m3 (12) 12.0
 
Jan. 12, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 11.8 μg/m3 (49) 49.0
 
Jan. 12, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 0.3 μg/m3 (1) 6.0
 
Jan. 12, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.8 μg/m3 (12) 12.0