ID: 915

AQSQID: 550590019

Site Name: Chiwaukee

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

Updated: July 30, 2021, 7:59 p.m.

Location: Pleasant Prairie (State Line), WI

Reporting: True, Located: True

Current AQI: 28.0

Pleasant Prairie (State Line) WI, US: 42.5047, -87.8111

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 30, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.9 μg/m3 (17) 28.0
 
July 30, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
July 30, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.8 μg/m3 (16) 29.0
 
July 30, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.8 μg/m3 (16) 28.0
 
July 30, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.9 μg/m3 (17) 28.0
 
July 30, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.2 μg/m3 (18) 27.0
 
July 30, 2021, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.1 μg/m3 (18) 27.0
 
July 30, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
July 30, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.9 μg/m3 (17) 17.0
 
July 30, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
July 30, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.9 μg/m3 (21) 25.0
 
July 30, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 7.4 μg/m3 (31) 31.0
 
July 30, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 15.9 μg/m3 (59) 59.0
 
July 30, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 12.4 μg/m3 (52) 52.0
 
July 30, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 18.7 μg/m3 (65) 65.0
 
July 30, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 21.0 μg/m3 (70) 70.0
 
July 30, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 20.7 μg/m3 (70) 70.0
 
July 30, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 22.1 μg/m3 (73) 73.0
 
July 30, 2021, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 21.7 μg/m3 (72) 72.0
 
July 29, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 21.3 μg/m3 (71) 71.0
 
July 29, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 20.8 μg/m3 (70) 70.0
 
July 29, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 20.3 μg/m3 (69) 69.0
 
July 29, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 29, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 15.0 μg/m3 (58) 65.0
 
July 29, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (54) 54.0
 
July 29, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 11.9 μg/m3 (50) 51.0
 
July 29, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 29, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 19.4 μg/m3 (67) 67.0
 
July 29, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 19.3 μg/m3 (67) 67.0
 
July 29, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 19.2 μg/m3 (66) 66.0
 
July 29, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 19.8 μg/m3 (68) 68.0
 
July 29, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A N/A 17.2 μg/m3 (62) 94.0
 
July 29, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 75.0 ppb (104) N/A N/A 15.9 μg/m3 (59) 104.0
 
July 29, 2021, midnight N/A N/A N/A N/A N/A N/A 84.0 ppb (108) N/A N/A 15.8 μg/m3 (59) 108.0
 
July 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 85.0 ppb (109) N/A N/A 14.9 μg/m3 (57) 109.0
 
July 28, 2021, 10 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
 
July 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 89.0 ppb (111) N/A N/A 12.6 μg/m3 (53) 111.0
 
July 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 85.0 ppb (109) N/A N/A 11.1 μg/m3 (47) 109.0
 
July 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A N/A 10.4 μg/m3 (44) 101.0
 
July 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A N/A 10.3 μg/m3 (43) 100.0
 
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A N/A 10.5 μg/m3 (44) 100.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A N/A 11.2 μg/m3 (47) 91.0
 
July 28, 2021, 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
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 11.2 μg/m3 (47) 50.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 11.3 μg/m3 (48) 48.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 11.1 μg/m3 (47) 47.0
 
July 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 10.8 μg/m3 (46) 46.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (50) 50.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 15.7 μg/m3 (59) 59.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 15.9 μg/m3 (59) 59.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 15.5 μg/m3 (59) 59.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 14.9 μg/m3 (57) 57.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 14.1 μg/m3 (56) 56.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A N/A 13.9 μg/m3 (55) 97.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 14.9 μg/m3 (57) 57.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 14.9 μg/m3 (57) 57.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 14.0 μg/m3 (55) 71.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A N/A 13.3 μg/m3 (54) 84.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 12.9 μg/m3 (53) 71.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 13.2 μg/m3 (54) 71.0
 
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A N/A 13.9 μg/m3 (55) 78.0
 
July 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A N/A 14.1 μg/m3 (56) 84.0
 
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 13.8 μg/m3 (55) 74.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 12.9 μg/m3 (53) 71.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 9.2 μg/m3 (39) 74.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 8.7 μg/m3 (37) 74.0
 
July 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A N/A 9.0 μg/m3 (38) 81.0
 
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 8.7 μg/m3 (37) 74.0
 
July 27, 2021, noon N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 13.2 μg/m3 (54) 54.0
 
July 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 16.8 μg/m3 (61) 61.0
 
July 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.4 μg/m3 (61) 61.0
 
July 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 15.6 μg/m3 (59) 59.0
 
July 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 15.8 μg/m3 (59) 59.0
 
July 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 16.3 μg/m3 (60) 60.0
 
July 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 16.6 μg/m3 (61) 61.0
 
July 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 16.8 μg/m3 (61) 61.0
 
July 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 16.2 μg/m3 (60) 60.0
 
July 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 15.6 μg/m3 (59) 59.0
 
July 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 11.6 μg/m3 (49) 49.0
 
July 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 9.6 μg/m3 (40) 45.0
 
July 27, 2021, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 9.0 μg/m3 (38) 48.0
 
July 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 9.5 μg/m3 (40) 50.0
 
July 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 9.6 μg/m3 (40) 55.0
 
July 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 9.8 μg/m3 (41) 74.0
 
July 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A N/A 11.1 μg/m3 (47) 97.0
 
July 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A N/A 12.0 μg/m3 (50) 97.0
 
July 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 76.0 ppb (104) N/A N/A 13.0 μg/m3 (53) 104.0
 
July 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (102) N/A N/A 12.9 μg/m3 (53) 102.0
 
July 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A N/A 12.6 μg/m3 (53) 87.0
 
July 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 13.3 μg/m3 (54) 74.0
 
July 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 12.6 μg/m3 (53) 53.0
 
July 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 11.8 μg/m3 (50) 50.0
 
July 26, 2021, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 11.5 μg/m3 (48) 48.0
 
July 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (54) 54.0
 
July 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 14.6 μg/m3 (57) 57.0
 
July 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 15.8 μg/m3 (59) 59.0
 
July 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 16.8 μg/m3 (61) 61.0
 
July 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 19.9 μg/m3 (68) 68.0
 
July 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 22.8 μg/m3 (74) 74.0
 
July 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 26.2 μg/m3 (81) 81.0
 
July 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 27.5 μg/m3 (84) 84.0
 
July 26, 2021, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 28.6 μg/m3 (86) 86.0
 
July 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A N/A 28.0 μg/m3 (85) 85.0
 
July 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A N/A 28.9 μg/m3 (87) 87.0
 
July 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A N/A 28.8 μg/m3 (87) 87.0
 
July 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 28.5 μg/m3 (86) 86.0
 
July 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 24.3 μg/m3 (77) 77.0
 
July 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 22.5 μg/m3 (73) 73.0
 
July 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 20.6 μg/m3 (69) 69.0
 
July 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 16.7 μg/m3 (61) 61.0
 
July 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 13.9 μg/m3 (55) 55.0
 
July 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 14.3 μg/m3 (56) 56.0
 
July 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 14.1 μg/m3 (56) 56.0
 
July 25, 2021, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 13.5 μg/m3 (54) 54.0
 
July 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 12.8 μg/m3 (53) 53.0
 
July 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (52) 52.0
 
July 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 11.3 μg/m3 (48) 48.0
 
July 25, 2021, 8 a.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
 
July 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 10.9 μg/m3 (46) 46.0
 
July 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 12.3 μg/m3 (52) 52.0
 
July 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 13.4 μg/m3 (54) 54.0
 
July 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 12.7 μg/m3 (53) 53.0
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 11.7 μg/m3 (49) 49.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 11.5 μg/m3 (48) 48.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 11.2 μg/m3 (47) 65.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 10.2 μg/m3 (43) 55.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 10.4 μg/m3 (44) 61.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 11.6 μg/m3 (49) 61.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 12.9 μg/m3 (53) 55.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 14.5 μg/m3 (57) 57.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 16.1 μg/m3 (60) 60.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 16.7 μg/m3 (61) 61.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 19.5 μg/m3 (67) 67.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 24.3 μg/m3 (77) 77.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 26.7 μg/m3 (82) 82.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 29.6 μg/m3 (88) 88.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 32.5 μg/m3 (94) 94.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 35.2 μg/m3 (100) 100.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.2 μg/m3 (100) 100.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 34.3 μg/m3 (98) 98.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 33.8 μg/m3 (97) 97.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 33.2 μg/m3 (96) 96.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 32.3 μg/m3 (94) 94.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 31.7 μg/m3 (93) 93.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 32.7 μg/m3 (95) 95.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 31.8 μg/m3 (93) 93.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A N/A 31.0 μg/m3 (91) 97.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 79.0 ppb (106) N/A N/A 31.4 μg/m3 (92) 106.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A N/A 90.0 ppb (112) N/A N/A 31.6 μg/m3 (93) 112.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 97.0 ppb (115) N/A N/A 32.4 μg/m3 (94) 115.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 94.0 ppb (114) N/A N/A 30.5 μg/m3 (90) 114.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 76.0 ppb (104) N/A N/A 28.2 μg/m3 (85) 104.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (103) N/A N/A 27.5 μg/m3 (84) 103.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 25.0 μg/m3 (79) 79.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 24.9 μg/m3 (78) 78.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 20.9 μg/m3 (70) 70.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 27.9 μg/m3 (85) 85.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 28.2 μg/m3 (85) 85.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 27.8 μg/m3 (85) 85.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 26.9 μg/m3 (83) 83.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 26.9 μg/m3 (83) 83.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 27.5 μg/m3 (84) 84.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.2 μg/m3 (87) 87.0