ID: 358

AQSQID: 171630010

Site Name: East St. Louis

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

Updated: June 14, 2021, 8:51 p.m.

Location: E Saint Louis (S 13th St), IL

Reporting: True, Located: True

Current AQI: 101.0

E Saint Louis (S 13th St) IL, US: 38.611893, -90.160614

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A N/A 9.1 μg/m3 (38) 101.0
 
June 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A N/A 6.4 μg/m3 (27) 91.0
 
June 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A N/A 11.1 μg/m3 (47) 87.0
 
June 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A N/A 11.5 μg/m3 (48) 78.0
 
June 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 26.5 μg/m3 (82) 82.0
 
June 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 41.0 μg/m3 (115) 115.0
 
June 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 10.9 μg/m3 (46) 46.0
 
June 14, 2021, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 18.9 μg/m3 (66) 66.0
 
June 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 15.0 μg/m3 (58) 58.0
 
June 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.9 μg/m3 (53) 53.0
 
June 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 16.4 μg/m3 (61) 61.0
 
June 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.6 μg/m3 (63) 63.0
 
June 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 19.2 μg/m3 (66) 66.0
 
June 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 22.3 μg/m3 (73) 73.0
 
June 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 0.9 μg/m3 (4) 5.0
 
June 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A -8.4 μg/m3 (0) 13.0
 
June 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A -2.6 μg/m3 (0) 22.0
 
June 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.5 μg/m3 (15) 37.0
 
June 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 2.8 μg/m3 (12) 43.0
 
June 14, 2021, midnight N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 3.4 μg/m3 (15) 58.0
 
June 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 5.8 μg/m3 (25) 58.0
 
June 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 7.9 μg/m3 (33) 61.0
 
June 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 10.9 μg/m3 (46) 74.0
 
June 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 10.8 μg/m3 (46) 74.0
 
June 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A N/A 12.2 μg/m3 (52) 84.0
 
June 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A N/A 13.5 μg/m3 (54) 87.0
 
June 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A N/A 24.6 μg/m3 (78) 87.0
 
June 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A N/A 20.0 μg/m3 (68) 78.0
 
June 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 17.8 μg/m3 (63) 63.0
 
June 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 10.3 μg/m3 (43) 45.0
 
June 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 15.3 μg/m3 (58) 58.0
 
June 13, 2021, noon N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.8 μg/m3 (29) 38.0
 
June 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 12.5 μg/m3 (52) 52.0
 
June 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.4 μg/m3 (19) 39.0
 
June 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A -0.1 μg/m3 (0) 39.0
 
June 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A -2.2 μg/m3 (0) 45.0
 
June 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A -0.4 μg/m3 (0) 47.0
 
June 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 1.8 μg/m3 (8) 46.0
 
June 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 6.3 μg/m3 (27) 46.0
 
June 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.9 μg/m3 (25) 39.0
 
June 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 5.7 μg/m3 (24) 44.0
 
June 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 4.3 μg/m3 (18) 48.0
 
June 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 3.8 μg/m3 (16) 50.0
 
June 13, 2021, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 5.8 μg/m3 (25) 55.0
 
June 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 10.4 μg/m3 (44) 51.0
 
June 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 8.7 μg/m3 (37) 55.0
 
June 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 9.8 μg/m3 (41) 58.0
 
June 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 7.0 μg/m3 (30) 61.0
 
June 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 6.0 μg/m3 (25) 61.0
 
June 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 5.1 μg/m3 (22) 61.0
 
June 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 10.9 μg/m3 (46) 58.0
 
June 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 16.6 μg/m3 (61) 61.0
 
June 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 19.8 μg/m3 (68) 68.0
 
June 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 34.4 μg/m3 (98) 98.0
 
June 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 39.4 μg/m3 (111) 111.0
 
June 12, 2021, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 36.5 μg/m3 (104) 104.0
 
June 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 27.7 μg/m3 (84) 84.0
 
June 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 28.3 μg/m3 (86) 86.0
 
June 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.6 μg/m3 (80) 80.0
 
June 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 24.5 μg/m3 (78) 78.0
 
June 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 15.3 μg/m3 (58) 58.0
 
June 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 14.1 μg/m3 (56) 56.0
 
June 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 12.4 μg/m3 (52) 52.0
 
June 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 15.1 μg/m3 (58) 58.0
 
June 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 6.1 μg/m3 (26) 26.0
 
June 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 4.5 μg/m3 (19) 19.0
 
June 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.3 μg/m3 (18) 38.0
 
June 12, 2021, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 4.7 μg/m3 (20) 47.0
 
June 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A N/A 7.4 μg/m3 (31) 78.0
 
June 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A N/A 8.7 μg/m3 (37) 100.0
 
June 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A N/A 9.5 μg/m3 (40) 97.0
 
June 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 79.0 ppb (106) N/A N/A 10.2 μg/m3 (43) 106.0
 
June 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 81.0 ppb (107) N/A N/A 8.2 μg/m3 (35) 107.0
 
June 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 81.0 ppb (107) N/A N/A 12.6 μg/m3 (53) 107.0
 
June 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 85.0 ppb (109) N/A N/A 10.3 μg/m3 (43) 109.0
 
June 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 73.0 ppb (103) N/A N/A 13.9 μg/m3 (55) 103.0
 
June 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A N/A 18.6 μg/m3 (65) 87.0
 
June 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 20.5 μg/m3 (69) 69.0
 
June 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 21.5 μg/m3 (71) 71.0
 
June 11, 2021, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 18.8 μg/m3 (66) 66.0
 
June 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 14.9 μg/m3 (57) 57.0
 
June 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (62) 62.0
 
June 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.8 μg/m3 (59) 59.0
 
June 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (62) 62.0
 
June 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 12.7 μg/m3 (53) 53.0
 
June 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 11.8 μg/m3 (50) 50.0
 
June 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 14.7 μg/m3 (57) 57.0
 
June 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 10.8 μg/m3 (46) 46.0
 
June 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 8.7 μg/m3 (37) 37.0
 
June 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 7.6 μg/m3 (32) 32.0
 
June 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.2 μg/m3 (26) 38.0
 
June 11, 2021, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 6.6 μg/m3 (28) 49.0
 
June 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 8.7 μg/m3 (37) 50.0
 
June 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 10.0 μg/m3 (42) 50.0
 
June 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 11.4 μg/m3 (48) 49.0
 
June 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
June 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 11.0 μg/m3 (46) 46.0
 
June 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 11.0 μg/m3 (46) 47.0
 
June 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 13.7 μg/m3 (55) 55.0
 
June 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 15.4 μg/m3 (58) 58.0
 
June 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 21.2 μg/m3 (71) 71.0
 
June 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 29.4 μg/m3 (88) 88.0
 
June 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 17.6 μg/m3 (63) 63.0
 
June 10, 2021, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 19.9 μg/m3 (68) 68.0
 
June 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 15.8 μg/m3 (59) 59.0
 
June 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.8 μg/m3 (63) 63.0
 
June 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.9 μg/m3 (70) 70.0
 
June 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.9 μg/m3 (68) 68.0
 
June 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.5 μg/m3 (63) 63.0
 
June 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.8 μg/m3 (57) 57.0
 
June 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.3 μg/m3 (69) 69.0
 
June 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 11.5 μg/m3 (48) 48.0
 
June 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 16.1 μg/m3 (60) 60.0
 
June 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 9.4 μg/m3 (40) 40.0
 
June 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 11.1 μg/m3 (47) 47.0
 
June 10, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 10.4 μg/m3 (44) 44.0
 
June 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 14.7 μg/m3 (57) 57.0
 
June 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 13.9 μg/m3 (55) 55.0
 
June 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 12.5 μg/m3 (52) 52.0
 
June 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 14.7 μg/m3 (57) 57.0
 
June 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 16.1 μg/m3 (60) 60.0
 
June 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 18.2 μg/m3 (64) 64.0
 
June 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 20.3 μg/m3 (69) 69.0
 
June 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 12.9 μg/m3 (53) 53.0
 
June 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 21.5 μg/m3 (71) 71.0
 
June 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 17.7 μg/m3 (63) 63.0
 
June 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 12.9 μg/m3 (53) 53.0
 
June 9, 2021, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 13.6 μg/m3 (55) 55.0
 
June 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.5 μg/m3 (63) 63.0
 
June 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (46) 46.0
 
June 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.1 μg/m3 (60) 60.0
 
June 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 15.5 μg/m3 (59) 59.0
 
June 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 16.5 μg/m3 (61) 61.0
 
June 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 19.6 μg/m3 (67) 67.0
 
June 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 7.8 μg/m3 (33) 33.0
 
June 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 7.2 μg/m3 (31) 31.0
 
June 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 9.2 μg/m3 (39) 39.0
 
June 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 10.3 μg/m3 (43) 43.0
 
June 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 16.7 μg/m3 (61) 61.0
 
June 9, 2021, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 12.7 μg/m3 (53) 53.0
 
June 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 9.9 μg/m3 (42) 42.0
 
June 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 9.3 μg/m3 (39) 39.0
 
June 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 11.1 μg/m3 (47) 47.0
 
June 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 11.7 μg/m3 (49) 49.0
 
June 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 12.6 μg/m3 (53) 53.0
 
June 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 12.8 μg/m3 (53) 53.0
 
June 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 18.8 μg/m3 (66) 66.0
 
June 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 18.7 μg/m3 (65) 65.0
 
June 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 11.1 μg/m3 (47) 47.0
 
June 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 13.0 μg/m3 (53) 53.0
 
June 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 15.5 μg/m3 (59) 59.0
 
June 8, 2021, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 17.6 μg/m3 (63) 63.0
 
June 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 17.0 μg/m3 (62) 62.0
 
June 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 17.2 μg/m3 (62) 62.0
 
June 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 9.6 μg/m3 (40) 40.0
 
June 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 10.3 μg/m3 (43) 43.0
 
June 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 10.9 μg/m3 (46) 46.0
 
June 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 8.6 μg/m3 (36) 36.0
 
June 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 6.3 μg/m3 (27) 27.0
 
June 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 6.7 μg/m3 (28) 28.0
 
June 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 9.2 μg/m3 (39) 39.0
 
June 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 8.5 μg/m3 (36) 36.0
 
June 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 7.6 μg/m3 (32) 32.0
 
June 8, 2021, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 9.2 μg/m3 (39) 39.0
 
June 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 10.5 μg/m3 (44) 44.0
 
June 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 11.4 μg/m3 (48) 48.0
 
June 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 11.2 μg/m3 (47) 47.0
 
June 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 10.8 μg/m3 (46) 46.0