ID: 2070

AQSQID: 295100093

Site Name: Branch Street

Added: April 21, 2020, 6:24 p.m.

Updated: Sept. 22, 2020, 2:39 p.m.

Location: Saint Louis (Near N Rivfront), MO

Reporting: True, Located: True

Current AQI: 143.0

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
Sept. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 241.0 μg/m3 (143) 40.3 μg/m3 (112) 143.0
 
Sept. 22, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 144.0 μg/m3 (94) 21.0 μg/m3 (69) 94.0
 
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (56) 14.5 μg/m3 (55) 56.0
 
Sept. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 14.8 μg/m3 (56) 56.0
 
Sept. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 12.2 μg/m3 (50) 50.0
 
Sept. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 14.5 μg/m3 (55) 55.0
 
Sept. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 15.9 μg/m3 (58) 58.0
 
Sept. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 17.6 μg/m3 (62) 62.0
 
Sept. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 15.5 μg/m3 (57) 57.0
 
Sept. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 10.0 μg/m3 (42) 42.0
 
Sept. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 11.8 μg/m3 (49) 49.0
 
Sept. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.6 μg/m3 (44) 44.0
 
Sept. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 122.0 μg/m3 (84) 21.9 μg/m3 (71) 84.0
 
Sept. 22, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.3 μg/m3 (57) 57.0
 
Sept. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 88.0 μg/m3 (66) 14.2 μg/m3 (55) 66.0
 
Sept. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 10.4 μg/m3 (43) 43.0
 
Sept. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 13.4 μg/m3 (53) 53.0
 
Sept. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (54) 11.4 μg/m3 (48) 54.0
 
Sept. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 90.0 μg/m3 (68) 11.4 μg/m3 (48) 68.0
 
Sept. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 78.0 μg/m3 (62) 12.0 μg/m3 (50) 62.0
 
Sept. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) 9.9 μg/m3 (41) 54.0
 
Sept. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (51) 9.6 μg/m3 (40) 51.0
 
Sept. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (50) 50.0
 
Sept. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 115.0 μg/m3 (80) 12.4 μg/m3 (51) 80.0
 
Sept. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 110.0 μg/m3 (78) 11.9 μg/m3 (50) 78.0
 
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 75.0 μg/m3 (60) 7.9 μg/m3 (33) 60.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 6.6 μg/m3 (28) 34.0
 
Sept. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Sept. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 9.8 μg/m3 (41) 41.0
 
Sept. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 4.9 μg/m3 (20) 25.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 4.9 μg/m3 (20) 24.0
 
Sept. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 5.0 μg/m3 (21) 38.0
 
Sept. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 8.5 μg/m3 (35) 35.0
 
Sept. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (52) 9.7 μg/m3 (40) 52.0
 
Sept. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 9.6 μg/m3 (40) 40.0
 
Sept. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 11.1 μg/m3 (46) 46.0
 
Sept. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 11.5 μg/m3 (48) 48.0
 
Sept. 21, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 9.1 μg/m3 (38) 38.0
 
Sept. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 8.2 μg/m3 (34) 34.0
 
Sept. 20, 2020, 10 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
 
Sept. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.9 μg/m3 (16) 16.0
 
Sept. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 7.3 μg/m3 (30) 30.0
 
Sept. 20, 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) 5.8 μg/m3 (24) 24.0
 
Sept. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 5.4 μg/m3 (23) 23.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 3.8 μg/m3 (16) 16.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 20, 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) 3.7 μg/m3 (15) 15.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 4.8 μg/m3 (20) 20.0
 
Sept. 20, 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) 7.6 μg/m3 (32) 32.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 5.3 μg/m3 (22) 22.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 8.6 μg/m3 (36) 36.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 5.3 μg/m3 (22) 23.0
 
Sept. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 6.6 μg/m3 (28) 28.0
 
Sept. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 6.6 μg/m3 (28) 28.0
 
Sept. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 6.9 μg/m3 (29) 29.0
 
Sept. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 7.1 μg/m3 (30) 30.0
 
Sept. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 9.5 μg/m3 (40) 40.0
 
Sept. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 12.1 μg/m3 (50) 50.0
 
Sept. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 11.2 μg/m3 (47) 47.0
 
Sept. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
Sept. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
Sept. 20, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 9.2 μg/m3 (38) 38.0
 
Sept. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 4.4 μg/m3 (18) 21.0
 
Sept. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 2.6 μg/m3 (11) 14.0
 
Sept. 19, 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) 3.7 μg/m3 (15) 15.0
 
Sept. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 2.4 μg/m3 (10) 14.0
 
Sept. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.2 μg/m3 (22) 22.0
 
Sept. 19, 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) 6.3 μg/m3 (26) 26.0
 
Sept. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 5.1 μg/m3 (21) 21.0
 
Sept. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 2.4 μg/m3 (10) 20.0
 
Sept. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 1.4 μg/m3 (6) 18.0
 
Sept. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 3.2 μg/m3 (13) 19.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 1.6 μg/m3 (7) 27.0
 
Sept. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 1.3 μg/m3 (5) 20.0
 
Sept. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 4.5 μg/m3 (19) 19.0
 
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 3.1 μg/m3 (13) 17.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.1 μg/m3 (13) 15.0
 
Sept. 19, 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) 3.6 μg/m3 (15) 15.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 6.6 μg/m3 (28) 28.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 6.2 μg/m3 (26) 29.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 10.1 μg/m3 (42) 42.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (45) 8.0 μg/m3 (33) 45.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 8.2 μg/m3 (34) 36.0
 
Sept. 18, 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) 8.1 μg/m3 (34) 34.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 11.2 μg/m3 (47) 47.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 9.2 μg/m3 (38) 38.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 7.1 μg/m3 (30) 44.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 7.6 μg/m3 (32) 38.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 4.5 μg/m3 (19) 37.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 4.7 μg/m3 (20) 43.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 4.6 μg/m3 (19) 42.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (45) 5.2 μg/m3 (22) 45.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 5.1 μg/m3 (21) 35.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 3.5 μg/m3 (15) 30.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 4.0 μg/m3 (17) 22.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 2.4 μg/m3 (10) 15.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 3.4 μg/m3 (14) 14.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 6.7 μg/m3 (28) 28.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 10.9 μg/m3 (45) 45.0
 
Sept. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 13.6 μg/m3 (53) 53.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 20.2 μg/m3 (67) 67.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 12.3 μg/m3 (51) 51.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (45) 22.5 μg/m3 (72) 72.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 19.1 μg/m3 (65) 65.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 18.2 μg/m3 (63) 63.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (51) 22.3 μg/m3 (72) 72.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (59) 25.8 μg/m3 (79) 79.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 87.0 μg/m3 (66) 28.4 μg/m3 (85) 85.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 129.0 μg/m3 (87) 28.6 μg/m3 (85) 87.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 124.0 μg/m3 (84) 22.3 μg/m3 (72) 84.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 105.0 μg/m3 (75) 19.8 μg/m3 (67) 75.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (59) 15.1 μg/m3 (57) 59.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 75.0 μg/m3 (60) 12.3 μg/m3 (51) 60.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.6 μg/m3 (64) 64.0
 
Sept. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 79.0 μg/m3 (62) 17.9 μg/m3 (63) 63.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (52) 16.7 μg/m3 (60) 60.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (53) 11.9 μg/m3 (50) 53.0
 
Sept. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 11.3 μg/m3 (47) 47.0
 
Sept. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 14.2 μg/m3 (55) 55.0
 
Sept. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (50) 15.9 μg/m3 (58) 58.0
 
Sept. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 80.0 μg/m3 (62) 23.8 μg/m3 (75) 75.0
 
Sept. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 22.8 μg/m3 (73) 73.0
 
Sept. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) 17.1 μg/m3 (61) 61.0
 
Sept. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (45) 17.1 μg/m3 (61) 61.0
 
Sept. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 8.1 μg/m3 (34) 44.0
 
Sept. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 13.0 μg/m3 (52) 52.0
 
Sept. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 76.0 μg/m3 (60) 15.9 μg/m3 (58) 60.0
 
Sept. 17, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 88.0 μg/m3 (66) 13.1 μg/m3 (52) 66.0
 
Sept. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 7.4 μg/m3 (31) 40.0
 
Sept. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 7.5 μg/m3 (31) 34.0
 
Sept. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 11.7 μg/m3 (49) 49.0
 
Sept. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) 9.0 μg/m3 (38) 47.0
 
Sept. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (52) 8.6 μg/m3 (36) 52.0
 
Sept. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (56) 9.2 μg/m3 (38) 56.0
 
Sept. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 0.0 μg/m3 (0) 37.0
 
Sept. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 233.0 μg/m3 (139) 0.0 μg/m3 (0) 139.0
 
Sept. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 262.0 μg/m3 (154) N/A 154.0
 
Sept. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 175.0 μg/m3 (110) N/A 110.0
 
Sept. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 128.0 μg/m3 (86) 16.0 μg/m3 (59) 86.0
 
Sept. 16, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 113.0 μg/m3 (79) 16.3 μg/m3 (59) 79.0
 
Sept. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (52) 12.4 μg/m3 (51) 52.0
 
Sept. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 10.2 μg/m3 (42) 42.0
 
Sept. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 7.8 μg/m3 (32) 32.0
 
Sept. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 10.9 μg/m3 (45) 45.0
 
Sept. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 17.3 μg/m3 (61) 61.0
 
Sept. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 13.7 μg/m3 (54) 54.0
 
Sept. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 11.8 μg/m3 (49) 49.0
 
Sept. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 14.2 μg/m3 (55) 55.0
 
Sept. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 93.0 μg/m3 (69) 17.6 μg/m3 (62) 69.0
 
Sept. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 89.0 μg/m3 (67) 14.0 μg/m3 (54) 67.0
 
Sept. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 10.7 μg/m3 (45) 45.0
 
Sept. 16, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (59) 11.9 μg/m3 (50) 59.0
 
Sept. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 9.1 μg/m3 (38) 38.0
 
Sept. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 9.1 μg/m3 (38) 38.0
 
Sept. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 7.3 μg/m3 (30) 30.0
 
Sept. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 8.2 μg/m3 (34) 34.0
 
Sept. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (51) 9.6 μg/m3 (40) 51.0
 
Sept. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 81.0 μg/m3 (63) 11.2 μg/m3 (47) 63.0
 
Sept. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 9.7 μg/m3 (40) 41.0
 
Sept. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 90.0 μg/m3 (68) 14.9 μg/m3 (56) 68.0
 
Sept. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (60) 13.8 μg/m3 (54) 60.0
 
Sept. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 91.0 μg/m3 (68) 13.7 μg/m3 (54) 68.0