AQSQID: 295100093

Site Name: Branch Street

Location: St. Louis, MO

Reporting: True, Located: True

Current AQI: 15.0

St. Louis MO, US: 38.65643, -90.18977

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 3.5 μg/m3 (15) 15.0
 
July 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.9 μg/m3 (16) 16.0
 
July 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.9 μg/m3 (20) 20.0
 
July 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.5 μg/m3 (19) 19.0
 
July 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 5.5 μg/m3 (23) 23.0
 
July 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 4.9 μg/m3 (20) 20.0
 
July 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 6.3 μg/m3 (26) 26.0
 
July 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 5.6 μg/m3 (23) 24.0
 
July 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.2 μg/m3 (18) 18.0
 
July 17, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.3 μg/m3 (14) 14.0
 
July 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 4.3 μg/m3 (18) 18.0
 
July 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 6.4 μg/m3 (27) 27.0
 
July 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.7 μg/m3 (24) 24.0
 
July 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
July 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 18.2 μg/m3 (63) 63.0
 
July 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 4.6 μg/m3 (19) 19.0
 
July 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 2.3 μg/m3 (10) 10.0
 
July 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 4.1 μg/m3 (17) 17.0
 
July 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 3.7 μg/m3 (15) 15.0
 
July 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.6 μg/m3 (19) 19.0
 
July 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 2.8 μg/m3 (12) 25.0
 
July 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.6 μg/m3 (19) 19.0
 
July 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 14.0
 
July 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.3 μg/m3 (18) 18.0
 
July 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.6 μg/m3 (19) 19.0
 
July 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 1.8 μg/m3 (8) 8.0
 
July 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 6.9 μg/m3 (29) 29.0
 
July 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.3 μg/m3 (18) 18.0
 
July 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
July 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.4 μg/m3 (23) 23.0
 
July 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.4 μg/m3 (23) 23.0
 
July 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 7.7 μg/m3 (32) 32.0
 
July 16, 2019, 1 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
 
July 16, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 6.3 μg/m3 (26) 26.0
 
July 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 6.2 μg/m3 (26) 26.0
 
July 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 7.3 μg/m3 (30) 30.0
 
July 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 5.2 μg/m3 (22) 22.0
 
July 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.7 μg/m3 (20) 20.0
 
July 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 9.2 μg/m3 (38) 38.0
 
July 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 7.1 μg/m3 (30) 30.0
 
July 15, 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) 6.4 μg/m3 (27) 27.0
 
July 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 8.2 μg/m3 (34) 34.0
 
July 15, 2019, 3 p.m. 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
 
July 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 99.0 μg/m3 (72) 8.7 μg/m3 (36) 72.0
 
July 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (52) 11.4 μg/m3 (48) 52.0
 
July 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 9.5 μg/m3 (40) 50.0
 
July 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 7.0 μg/m3 (29) 30.0
 
July 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 6.1 μg/m3 (25) 25.0
 
July 15, 2019, 9 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
 
July 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 4.6 μg/m3 (19) 20.0
 
July 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
July 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 7.3 μg/m3 (30) 30.0
 
July 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 4.3 μg/m3 (18) 18.0
 
July 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
July 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 6.1 μg/m3 (25) 25.0
 
July 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 7.1 μg/m3 (30) 31.0
 
July 15, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (49) 8.8 μg/m3 (37) 49.0
 
July 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (58) 8.8 μg/m3 (37) 58.0
 
July 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 12.0 μg/m3 (50) 50.0
 
July 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 8.4 μg/m3 (35) 44.0
 
July 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (58) 6.8 μg/m3 (28) 58.0
 
July 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 3.2 μg/m3 (13) 22.0
 
July 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 5.8 μg/m3 (24) 28.0
 
July 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 76.0 μg/m3 (60) 11.7 μg/m3 (49) 60.0
 
July 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 8.1 μg/m3 (34) 38.0
 
July 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 5.7 μg/m3 (24) 24.0
 
July 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 7.8 μg/m3 (32) 39.0
 
July 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 8.3 μg/m3 (35) 35.0
 
July 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 8.5 μg/m3 (35) 39.0
 
July 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (54) 9.4 μg/m3 (39) 54.0
 
July 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 11.7 μg/m3 (49) 49.0
 
July 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 11.3 μg/m3 (47) 47.0
 
July 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 78.0 μg/m3 (62) 7.5 μg/m3 (31) 62.0
 
July 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 10.1 μg/m3 (42) 42.0
 
July 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 9.9 μg/m3 (41) 41.0
 
July 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 12.9 μg/m3 (52) 52.0
 
July 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 12.9 μg/m3 (52) 52.0
 
July 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 11.6 μg/m3 (48) 48.0
 
July 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 12.1 μg/m3 (50) 50.0
 
July 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 10.2 μg/m3 (42) 42.0
 
July 14, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 9.2 μg/m3 (38) 38.0
 
July 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 12.3 μg/m3 (51) 51.0
 
July 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 10.4 μg/m3 (43) 43.0
 
July 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 12.3 μg/m3 (51) 51.0
 
July 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 11.6 μg/m3 (48) 48.0
 
July 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 12.2 μg/m3 (50) 50.0
 
July 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 8.2 μg/m3 (34) 34.0
 
July 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 10.7 μg/m3 (45) 45.0
 
July 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 12.5 μg/m3 (51) 51.0
 
July 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 11.3 μg/m3 (47) 47.0
 
July 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 10.2 μg/m3 (42) 42.0
 
July 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 11.1 μg/m3 (46) 46.0
 
July 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 12.3 μg/m3 (51) 51.0
 
July 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 15.1 μg/m3 (57) 57.0
 
July 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 8.3 μg/m3 (35) 35.0
 
July 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 10.6 μg/m3 (44) 44.0
 
July 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 8.0 μg/m3 (33) 33.0
 
July 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 10.9 μg/m3 (45) 45.0
 
July 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 7.9 μg/m3 (33) 33.0
 
July 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 11.5 μg/m3 (48) 48.0
 
July 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 9.9 μg/m3 (41) 41.0
 
July 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 10.9 μg/m3 (45) 45.0
 
July 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 12.7 μg/m3 (51) 51.0
 
July 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 8.7 μg/m3 (36) 36.0
 
July 13, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.7 μg/m3 (24) 24.0
 
July 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 8.8 μg/m3 (37) 37.0
 
July 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 4.1 μg/m3 (17) 17.0
 
July 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.3 μg/m3 (30) 30.0
 
July 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 6.9 μg/m3 (29) 29.0
 
July 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 9.1 μg/m3 (38) 38.0
 
July 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 6.6 μg/m3 (28) 28.0
 
July 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
July 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 4.6 μg/m3 (19) 33.0
 
July 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 5.9 μg/m3 (25) 32.0
 
July 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 5.5 μg/m3 (23) 31.0
 
July 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 7.5 μg/m3 (31) 36.0
 
July 12, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 8.0 μg/m3 (33) 33.0
 
July 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 7.3 μg/m3 (30) 39.0
 
July 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 7.2 μg/m3 (30) 30.0
 
July 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 7.3 μg/m3 (30) 30.0
 
July 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 6.3 μg/m3 (26) 26.0
 
July 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
July 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 6.9 μg/m3 (29) 29.0
 
July 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 8.1 μg/m3 (34) 34.0
 
July 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 7.5 μg/m3 (31) 31.0
 
July 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 7.0 μg/m3 (29) 29.0
 
July 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 6.3 μg/m3 (26) 26.0
 
July 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 5.8 μg/m3 (24) 24.0
 
July 12, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 6.1 μg/m3 (25) 25.0
 
July 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 2.9 μg/m3 (12) 17.0
 
July 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 4.8 μg/m3 (20) 20.0
 
July 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 3.5 μg/m3 (15) 18.0
 
July 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 2.0 μg/m3 (8) 21.0
 
July 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 3.4 μg/m3 (14) 22.0
 
July 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 3.9 μg/m3 (16) 18.0
 
July 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 2.2 μg/m3 (9) 24.0
 
July 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 2.3 μg/m3 (10) 18.0
 
July 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 8.7 μg/m3 (36) 36.0
 
July 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 10.6 μg/m3 (44) 44.0
 
July 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 4.7 μg/m3 (20) 44.0
 
July 11, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 4.4 μg/m3 (18) 35.0
 
July 11, 2019, 11 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
 
July 11, 2019, 10 a.m. 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
 
July 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
July 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 6.3 μg/m3 (26) 26.0
 
July 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 4.2 μg/m3 (18) 18.0
 
July 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.3 μg/m3 (18) 18.0
 
July 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 9.1 μg/m3 (38) 38.0
 
July 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 6.1 μg/m3 (25) 25.0
 
July 11, 2019, 3 a.m. 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
 
July 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 5.0 μg/m3 (21) 21.0
 
July 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
July 11, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 10.0 μg/m3 (42) 42.0
 
July 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 10.1 μg/m3 (42) 42.0
 
July 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 12.3 μg/m3 (51) 51.0
 
July 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 4.3 μg/m3 (18) 25.0
 
July 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.8 μg/m3 (28) 28.0
 
July 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 9.9 μg/m3 (41) 41.0
 
July 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 7.6 μg/m3 (32) 32.0
 
July 10, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 13.1 μg/m3 (52) 52.0
 
July 10, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 0.0 μg/m3 (0) 30.0
 
July 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 10, 2019, 2 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
 
July 10, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 9.4 μg/m3 (39) 39.0
 
July 10, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 7.4 μg/m3 (31) 31.0
 
July 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 9.8 μg/m3 (41) 41.0
 
July 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 8.4 μg/m3 (35) 35.0