ID: 320

AQSQID: 131210055

Site Name: United Ave

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

Updated: Aug. 3, 2021, 2:55 a.m.

Location: Atlanta (State Facility), GA

Reporting: True, Located: True

Current AQI: 100.0

Atlanta (State Facility) GA, US: 33.7206, -84.3578

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 3, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 26.7 μg/m3 (82) 82.0
 
Aug. 3, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 35.4 μg/m3 (100) 100.0
 
Aug. 3, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 29.6 μg/m3 (88) 88.0
 
Aug. 2, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 25.3 μg/m3 (79) 79.0
 
Aug. 2, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 26.1 μg/m3 (81) 81.0
 
Aug. 2, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 24.6 μg/m3 (78) 78.0
 
Aug. 2, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 62.0 ppb (74) N/A N/A 12.4 μg/m3 (52) 74.0
 
Aug. 2, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 66.0 ppb (87) N/A N/A 20.8 μg/m3 (70) 87.0
 
Aug. 2, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 75.0 ppb (104) N/A N/A 22.3 μg/m3 (73) 104.0
 
Aug. 2, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 69.0 ppb (97) N/A N/A 22.7 μg/m3 (74) 97.0
 
Aug. 2, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 55.0 ppb (51) N/A N/A 22.5 μg/m3 (73) 73.0
 
Aug. 2, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 30.7 μg/m3 (91) 91.0
 
Aug. 2, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (26) N/A N/A 28.3 μg/m3 (86) 86.0
 
Aug. 2, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 22.0 ppb (21) N/A N/A 26.1 μg/m3 (81) 81.0
 
Aug. 2, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 23.5 μg/m3 (75) 75.0
 
Aug. 2, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 20.3 μg/m3 (69) 69.0
 
Aug. 2, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 16.8 μg/m3 (61) 61.0
 
Aug. 2, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 17.6 μg/m3 (63) 63.0
 
Aug. 2, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 12.0 ppb (12) N/A N/A 11.1 μg/m3 (47) 47.0
 
Aug. 2, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 11.5 μg/m3 (48) 48.0
 
Aug. 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 11.7 μg/m3 (49) 49.0
 
Aug. 2, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 11.2 μg/m3 (47) 47.0
 
Aug. 2, 2021, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 32.0 ppb (30) N/A N/A 11.1 μg/m3 (47) 47.0
 
Aug. 2, 2021, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 33.0 ppb (31) N/A N/A 11.2 μg/m3 (47) 47.0
 
Aug. 2, 2021, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 34.0 ppb (32) N/A N/A 13.6 μg/m3 (55) 55.0
 
Aug. 2, 2021, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 39.0 ppb (37) N/A N/A 12.1 μg/m3 (51) 51.0
 
Aug. 2, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 10.2 μg/m3 (43) 44.0
 
Aug. 1, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 50.0 ppb (47) N/A N/A 10.3 μg/m3 (43) 47.0
 
Aug. 1, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 11.6 μg/m3 (49) 49.0
 
Aug. 1, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 7.9 μg/m3 (33) 49.0
 
Aug. 1, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 53.0 ppb (50) N/A N/A 7.5 μg/m3 (32) 50.0
 
Aug. 1, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 9.8 μg/m3 (41) 48.0
 
Aug. 1, 2021, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 50.0 ppb (47) N/A N/A 13.2 μg/m3 (54) 54.0
 
Aug. 1, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 50.0 ppb (47) N/A N/A 13.4 μg/m3 (54) 54.0
 
Aug. 1, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 48.0 ppb (45) N/A N/A 16.8 μg/m3 (61) 61.0
 
Aug. 1, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 22.0 μg/m3 (72) 72.0
 
Aug. 1, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 18.8 μg/m3 (66) 66.0
 
Aug. 1, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 16.7 μg/m3 (61) 61.0
 
Aug. 1, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 16.3 μg/m3 (60) 60.0
 
Aug. 1, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 16.9 μg/m3 (62) 62.0
 
Aug. 1, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 14.5 μg/m3 (57) 57.0
 
Aug. 1, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 10.0 μg/m3 (42) 42.0
 
Aug. 1, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 3.8 μg/m3 (16) 28.0
 
Aug. 1, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 15.5 μg/m3 (59) 59.0
 
Aug. 1, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 17.0 μg/m3 (62) 62.0
 
Aug. 1, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 19.4 μg/m3 (67) 67.0
 
Aug. 1, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 21.5 μg/m3 (71) 71.0
 
Aug. 1, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 20.1 μg/m3 (68) 68.0
 
Aug. 1, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 19.4 μg/m3 (67) 67.0
 
Aug. 1, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 17.2 μg/m3 (62) 62.0
 
Aug. 1, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 20.8 μg/m3 (70) 70.0
 
July 31, 2021, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 45.0 ppb (42) N/A N/A 22.7 μg/m3 (74) 74.0
 
July 31, 2021, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 51.0 ppb (48) N/A N/A 15.6 μg/m3 (59) 59.0
 
July 31, 2021, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 52.0 ppb (49) N/A N/A 14.9 μg/m3 (57) 57.0
 
July 31, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 55.0 ppb (51) N/A N/A 23.0 μg/m3 (74) 74.0
 
July 31, 2021, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 62.0 ppb (74) N/A N/A 17.4 μg/m3 (63) 74.0
 
July 31, 2021, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 55.0 ppb (51) N/A N/A 16.1 μg/m3 (60) 60.0
 
July 31, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 16.1 μg/m3 (60) 60.0
 
July 31, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 61.0 ppb (71) N/A N/A 20.2 μg/m3 (69) 71.0
 
July 31, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 53.0 ppb (50) N/A N/A 18.5 μg/m3 (65) 65.0
 
July 31, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 36.0 ppb (34) N/A N/A 17.5 μg/m3 (63) 63.0
 
July 31, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 25.0 ppb (24) N/A N/A 16.5 μg/m3 (61) 61.0
 
July 31, 2021, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 23.0 ppb (22) N/A N/A 15.9 μg/m3 (59) 59.0
 
July 31, 2021, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 20.0 ppb (19) N/A N/A 15.2 μg/m3 (58) 58.0
 
July 31, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 15.2 μg/m3 (58) 58.0
 
July 31, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 14.4 μg/m3 (56) 56.0
 
July 31, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (26) N/A N/A 14.6 μg/m3 (57) 57.0
 
July 31, 2021, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (29) N/A N/A 14.7 μg/m3 (57) 57.0
 
July 31, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 30.0 ppb (28) N/A N/A 14.3 μg/m3 (56) 56.0
 
July 31, 2021, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 35.0 ppb (33) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 31, 2021, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 40.0 ppb (38) N/A N/A 12.7 μg/m3 (53) 53.0
 
July 31, 2021, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 40.0 ppb (38) N/A N/A 12.6 μg/m3 (53) 53.0
 
July 31, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 16.7 μg/m3 (61) 61.0
 
July 31, 2021, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 40.0 ppb (38) N/A N/A 14.1 μg/m3 (56) 56.0
 
July 31, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 48.0 ppb (45) N/A N/A 24.5 μg/m3 (78) 78.0
 
July 30, 2021, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 42.0 ppb (39) N/A N/A 23.5 μg/m3 (75) 75.0
 
July 30, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 25.1 μg/m3 (79) 79.0
 
July 30, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 22.5 μg/m3 (73) 73.0
 
July 30, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 25.4 μg/m3 (79) 79.0
 
July 30, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 22.4 μg/m3 (73) 73.0
 
July 30, 2021, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 53.0 ppb (50) N/A N/A 27.4 μg/m3 (84) 84.0
 
July 30, 2021, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 58.0 ppb (61) N/A N/A 0.0 μg/m3 (0) 61.0
 
July 30, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 51.0 ppb (48) N/A N/A 0.0 μg/m3 (0) 48.0
 
July 30, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 38.0 ppb (36) N/A N/A N/A 36.0
 
July 30, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (26) N/A N/A 32.6 μg/m3 (95) 95.0
 
July 30, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 17.0 ppb (16) N/A N/A 27.6 μg/m3 (84) 84.0
 
July 30, 2021, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 14.0 ppb (13) N/A N/A 24.5 μg/m3 (78) 78.0
 
July 30, 2021, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 12.0 ppb (12) N/A N/A 23.3 μg/m3 (75) 75.0
 
July 30, 2021, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 17.0 ppb (16) N/A N/A 22.8 μg/m3 (74) 74.0
 
July 30, 2021, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 25.0 ppb (24) N/A N/A 23.4 μg/m3 (75) 75.0
 
July 30, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 27.0 ppb (25) N/A N/A 26.8 μg/m3 (82) 82.0
 
July 30, 2021, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 22.0 ppb (21) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 30, 2021, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 21.0 ppb (20) N/A N/A 18.7 μg/m3 (65) 65.0
 
July 30, 2021, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 9.0 ppb (9) N/A N/A 26.0 μg/m3 (81) 81.0
 
July 30, 2021, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 16.0 ppb (15) N/A N/A 13.8 μg/m3 (55) 55.0
 
July 30, 2021, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 17.0 ppb (16) N/A N/A 23.2 μg/m3 (75) 75.0
 
July 30, 2021, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 24.0 ppb (23) N/A N/A 25.6 μg/m3 (80) 80.0
 
July 30, 2021, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 34.0 ppb (32) N/A N/A 19.9 μg/m3 (68) 68.0
 
July 30, 2021, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 46.0 ppb (43) N/A N/A 15.7 μg/m3 (59) 59.0
 
July 29, 2021, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 53.0 ppb (50) N/A N/A 22.4 μg/m3 (73) 73.0
 
July 29, 2021, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 57.0 ppb (58) N/A N/A 14.2 μg/m3 (56) 58.0
 
July 29, 2021, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 60.0 ppb (68) N/A N/A 17.8 μg/m3 (63) 68.0
 
July 29, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 59.0 ppb (65) N/A N/A 14.7 μg/m3 (57) 65.0
 
July 29, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 64.0 ppb (81) N/A N/A 23.0 μg/m3 (74) 81.0
 
July 29, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 68.0 ppb (94) N/A N/A 1.6 μg/m3 (7) 94.0
 
July 29, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 79.0 ppb (106) N/A N/A 18.8 μg/m3 (66) 106.0
 
July 29, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 77.0 ppb (105) N/A N/A 7.0 μg/m3 (30) 105.0
 
July 29, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 50.0 ppb (47) N/A N/A 29.4 μg/m3 (88) 88.0
 
July 29, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 35.0 ppb (33) N/A N/A 28.0 μg/m3 (85) 85.0
 
July 29, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 19.0 ppb (18) N/A N/A 28.1 μg/m3 (85) 85.0
 
July 29, 2021, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 2.0 ppb (2) N/A N/A 27.2 μg/m3 (83) 83.0
 
July 29, 2021, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 0.0 ppb (0) N/A N/A 22.6 μg/m3 (74) 74.0
 
July 29, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 29, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 20.7 μg/m3 (70) 70.0
 
July 29, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 0.0 ppb (0) N/A N/A 17.4 μg/m3 (63) 63.0
 
July 29, 2021, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 0.0 ppb (0) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 29, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 12.5 μg/m3 (52) 52.0
 
July 29, 2021, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 4.0 ppb (4) N/A N/A 20.0 μg/m3 (68) 68.0
 
July 29, 2021, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 7.0 ppb (7) 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 2.0 ppb (3) 12.0 ppb (12) N/A N/A 16.9 μg/m3 (62) 62.0
 
July 29, 2021, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 22.0 ppb (21) N/A N/A 27.4 μg/m3 (84) 84.0
 
July 29, 2021, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 32.0 ppb (30) N/A N/A 5.9 μg/m3 (25) 30.0
 
July 29, 2021, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 38.0 ppb (36) N/A N/A 19.6 μg/m3 (67) 67.0
 
July 28, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 16.5 μg/m3 (61) 61.0
 
July 28, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 48.0 ppb (45) N/A N/A 15.5 μg/m3 (59) 59.0
 
July 28, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 53.0 ppb (50) N/A N/A 15.6 μg/m3 (59) 59.0
 
July 28, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 58.0 ppb (61) N/A N/A 9.0 μg/m3 (38) 61.0
 
July 28, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 60.0 ppb (68) N/A N/A 12.4 μg/m3 (52) 68.0
 
July 28, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 61.0 ppb (71) N/A N/A 7.9 μg/m3 (33) 71.0
 
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 62.0 ppb (74) N/A N/A 11.3 μg/m3 (48) 74.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 61.0 ppb (71) N/A N/A 31.1 μg/m3 (91) 91.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 35.0 ppb (33) N/A N/A 28.4 μg/m3 (86) 86.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 18.0 ppb (17) N/A N/A 17.9 μg/m3 (64) 64.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 10.9 μg/m3 (46) 46.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A 7.4 μg/m3 (31) 31.0
 
July 28, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 8.2 μg/m3 (35) 35.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) -1.0 ppb (0) N/A N/A 14.2 μg/m3 (56) 56.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) -1.0 ppb (0) N/A N/A 10.8 μg/m3 (46) 46.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 4.6 μg/m3 (20) 20.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 10.8 μg/m3 (46) 46.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 12.9 μg/m3 (53) 53.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 4.9 μg/m3 (21) 21.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 11.8 μg/m3 (50) 50.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 8.2 μg/m3 (35) 35.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 8.1 μg/m3 (34) 34.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 7.3 μg/m3 (31) 31.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A N/A 39.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 21.9 μg/m3 (72) 72.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 48.0 ppb (45) N/A N/A 23.1 μg/m3 (75) 75.0
 
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 62.0 ppb (74) N/A N/A 21.1 μg/m3 (70) 74.0
 
July 27, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 69.0 ppb (97) N/A N/A 6.0 μg/m3 (25) 97.0
 
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 70.0 ppb (100) N/A N/A 16.9 μg/m3 (62) 100.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 74.0 ppb (103) N/A N/A 19.3 μg/m3 (67) 103.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 66.0 ppb (87) N/A N/A 14.9 μg/m3 (57) 87.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 54.0 ppb (50) N/A N/A 14.2 μg/m3 (56) 56.0
 
July 27, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A 10.8 μg/m3 (46) 46.0
 
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 10.4 μg/m3 (44) 44.0
 
July 27, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 22.4 μg/m3 (73) 73.0
 
July 27, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 8.5 μg/m3 (36) 36.0
 
July 27, 2021, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 10.9 μg/m3 (46) 46.0
 
July 27, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 12.6 μg/m3 (53) 53.0
 
July 27, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 27, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 27, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 27, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 10.1 μg/m3 (43) 43.0
 
July 27, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 11.7 μg/m3 (49) 49.0
 
July 27, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 7.7 μg/m3 (33) 33.0