ID: 372

AQSQID: 180890022

Site Name: Gary-Iitri

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

Updated: July 31, 2021, 4:56 a.m.

Location: Gary (Marquette Park/Miller), IN

Reporting: True, Located: True

Current AQI: 27.0

Gary (Marquette Park/Miller) IN, US: 41.6067, -87.3047

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 24, 2021, 3 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 52.0 μg/m3 (49) 35.3 μg/m3 (100) 100.0
 
July 24, 2021, 2 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 50.0 μg/m3 (47) 30.6 μg/m3 (90) 90.0
 
July 24, 2021, 1 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 45.0 μg/m3 (42) 31.8 μg/m3 (93) 93.0
 
July 24, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (43) N/A 44.0 μg/m3 (41) 23.6 μg/m3 (76) 76.0
 
July 23, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 48.0 ppb (45) N/A 42.0 μg/m3 (39) N/A 45.0
 
July 23, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (49) N/A 35.0 μg/m3 (33) 27.7 μg/m3 (84) 84.0
 
July 23, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) N/A 45.0 μg/m3 (42) 29.5 μg/m3 (88) 88.0
 
July 23, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 55.0 ppb (51) N/A 53.0 μg/m3 (50) 29.3 μg/m3 (88) 88.0
 
July 23, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 57.0 ppb (58) N/A 49.0 μg/m3 (46) 32.4 μg/m3 (94) 94.0
 
July 23, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 61.0 ppb (71) N/A 48.0 μg/m3 (45) 32.0 μg/m3 (93) 93.0
 
July 23, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 62.0 ppb (74) N/A 49.0 μg/m3 (46) 35.1 μg/m3 (100) 100.0
 
July 23, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 63.0 ppb (78) N/A 41.0 μg/m3 (38) 32.6 μg/m3 (95) 95.0
 
July 23, 2021, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (45) N/A 47.0 μg/m3 (44) 35.9 μg/m3 (102) 102.0
 
July 23, 2021, 2 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 70.0 μg/m3 (59) 37.3 μg/m3 (106) 106.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A 184.0 μg/m3 (116) 47.9 μg/m3 (132) 132.0
 
July 23, 2021, noon N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 18.0 ppb (17) N/A 91.0 μg/m3 (69) 37.6 μg/m3 (107) 107.0
 
July 23, 2021, 11 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 16.0 ppb (15) N/A 62.0 μg/m3 (55) 37.7 μg/m3 (107) 107.0
 
July 23, 2021, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 49.0 μg/m3 (46) 39.5 μg/m3 (111) 111.0
 
July 23, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 48.0 μg/m3 (45) 34.9 μg/m3 (99) 99.0
 
July 23, 2021, 8 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 33.0 μg/m3 (31) 20.3 μg/m3 (69) 69.0
 
July 23, 2021, 7 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 40.0 μg/m3 (38) 28.9 μg/m3 (87) 87.0
 
July 23, 2021, 6 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 37.0 μg/m3 (35) 29.6 μg/m3 (88) 88.0
 
July 23, 2021, 5 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 38.0 μg/m3 (36) 27.2 μg/m3 (83) 83.0
 
July 23, 2021, 4 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 39.0 μg/m3 (37) 25.7 μg/m3 (80) 80.0
 
July 23, 2021, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 42.0 μg/m3 (39) 29.2 μg/m3 (87) 87.0
 
July 23, 2021, 2 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (33) N/A 38.0 μg/m3 (36) 25.7 μg/m3 (80) 80.0
 
July 23, 2021, 1 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 38.0 μg/m3 (36) 26.8 μg/m3 (82) 82.0
 
July 23, 2021, midnight N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 39.0 μg/m3 (37) 27.7 μg/m3 (84) 84.0
 
July 22, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 45.0 ppb (42) N/A 40.0 μg/m3 (38) N/A 42.0
 
July 22, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 55.0 ppb (51) N/A 48.0 μg/m3 (45) 22.1 μg/m3 (73) 73.0
 
July 22, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 70.0 ppb (100) N/A 57.0 μg/m3 (52) 31.0 μg/m3 (91) 100.0
 
July 22, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 68.0 ppb (94) N/A 52.0 μg/m3 (49) 24.4 μg/m3 (77) 94.0
 
July 22, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 56.0 ppb (55) N/A 42.0 μg/m3 (39) 26.5 μg/m3 (82) 82.0
 
July 22, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) N/A 48.0 μg/m3 (45) 24.7 μg/m3 (78) 78.0
 
July 22, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (50) N/A 51.0 μg/m3 (48) 24.8 μg/m3 (78) 78.0
 
July 22, 2021, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 46.0 μg/m3 (43) 24.6 μg/m3 (78) 78.0
 
July 22, 2021, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 49.0 μg/m3 (46) 23.3 μg/m3 (75) 75.0
 
July 22, 2021, 2 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 36.0 μg/m3 (34) 16.8 μg/m3 (61) 61.0
 
July 22, 2021, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (16) N/A 31.0 μg/m3 (29) 19.3 μg/m3 (67) 67.0
 
July 22, 2021, noon N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 9.0 ppb (9) N/A 29.0 μg/m3 (27) 19.0 μg/m3 (66) 66.0
 
July 22, 2021, 11 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 6.0 ppb (6) N/A 27.0 μg/m3 (25) 14.4 μg/m3 (56) 56.0
 
July 22, 2021, 10 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 1.0 ppb (1) N/A 25.0 μg/m3 (24) 12.3 μg/m3 (52) 52.0
 
July 22, 2021, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 1.0 ppb (1) N/A 20.0 μg/m3 (19) 12.8 μg/m3 (53) 53.0
 
July 22, 2021, 8 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 0.0 ppb (0) N/A 17.0 μg/m3 (16) 14.2 μg/m3 (56) 56.0
 
July 22, 2021, 7 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 4.0 ppb (4) N/A 17.0 μg/m3 (16) 11.6 μg/m3 (49) 49.0
 
July 22, 2021, 6 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 2.0 ppb (2) N/A 19.0 μg/m3 (18) 15.2 μg/m3 (58) 58.0
 
July 22, 2021, 5 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 13.0 ppb (13) N/A 13.0 μg/m3 (13) 13.0 μg/m3 (53) 53.0
 
July 22, 2021, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 13.0 μg/m3 (13) 11.2 μg/m3 (47) 47.0
 
July 22, 2021, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 14.0 μg/m3 (13) 12.6 μg/m3 (53) 53.0
 
July 22, 2021, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 39.0 ppb (37) N/A 16.0 μg/m3 (15) 14.7 μg/m3 (57) 57.0
 
July 22, 2021, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 39.0 ppb (37) N/A 18.0 μg/m3 (17) 16.6 μg/m3 (61) 61.0
 
July 22, 2021, midnight N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 36.0 ppb (34) N/A 19.0 μg/m3 (18) 16.9 μg/m3 (62) 62.0
 
July 21, 2021, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 32.0 ppb (30) N/A 19.0 μg/m3 (18) N/A 30.0
 
July 21, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 19.0 μg/m3 (18) 16.1 μg/m3 (60) 60.0
 
July 21, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 28.0 μg/m3 (26) 22.6 μg/m3 (74) 74.0
 
July 21, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 28.0 μg/m3 (26) 18.3 μg/m3 (65) 65.0
 
July 21, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 29.0 μg/m3 (27) 24.8 μg/m3 (78) 78.0
 
July 21, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 30.0 ppb (28) N/A 33.0 μg/m3 (31) 23.5 μg/m3 (75) 75.0
 
July 21, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) N/A 38.0 μg/m3 (36) 26.9 μg/m3 (83) 83.0
 
July 21, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) N/A 46.0 μg/m3 (43) 38.0 μg/m3 (108) 108.0
 
July 21, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 43.0 μg/m3 (40) 35.6 μg/m3 (102) 102.0
 
July 21, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 32.0 ppb (30) N/A 49.0 μg/m3 (46) 32.8 μg/m3 (95) 95.0
 
July 21, 2021, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 52.0 μg/m3 (49) 36.8 μg/m3 (105) 105.0
 
July 21, 2021, noon N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 40.0 μg/m3 (38) 26.5 μg/m3 (82) 82.0
 
July 21, 2021, 11 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 39.0 μg/m3 (37) 28.3 μg/m3 (86) 86.0
 
July 21, 2021, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (26) 22.9 μg/m3 (74) 74.0
 
July 21, 2021, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 26.0 μg/m3 (25) 22.3 μg/m3 (73) 73.0
 
July 21, 2021, 8 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 22.0 μg/m3 (21) 20.1 μg/m3 (68) 68.0
 
July 21, 2021, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 29.0 ppb (27) N/A 33.0 μg/m3 (31) 25.3 μg/m3 (79) 79.0
 
July 21, 2021, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 50.0 μg/m3 (47) 46.9 μg/m3 (130) 130.0
 
July 21, 2021, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 34.0 ppb (32) N/A 46.0 μg/m3 (43) 46.0 μg/m3 (127) 127.0
 
July 21, 2021, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 34.0 ppb (32) N/A 40.0 μg/m3 (38) 38.4 μg/m3 (109) 109.0
 
July 21, 2021, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 37.0 ppb (35) N/A 45.0 μg/m3 (42) 40.8 μg/m3 (115) 115.0
 
July 21, 2021, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 37.0 ppb (35) N/A 38.0 μg/m3 (36) 33.1 μg/m3 (96) 96.0
 
July 21, 2021, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 39.0 ppb (37) N/A 41.0 μg/m3 (38) 30.7 μg/m3 (91) 91.0
 
July 21, 2021, midnight N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A 35.0 μg/m3 (33) 33.5 μg/m3 (97) 97.0
 
July 20, 2021, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 58.0 ppb (61) N/A 32.0 μg/m3 (30) N/A 61.0
 
July 20, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 76.0 ppb (104) N/A 37.0 μg/m3 (35) 14.0 μg/m3 (55) 104.0
 
July 20, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 86.0 ppb (109) N/A 28.0 μg/m3 (26) 22.0 μg/m3 (72) 109.0
 
July 20, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 85.0 ppb (109) N/A 30.0 μg/m3 (28) 19.0 μg/m3 (66) 109.0
 
July 20, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 86.0 ppb (109) N/A 29.0 μg/m3 (27) 14.5 μg/m3 (57) 109.0
 
July 20, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 75.0 ppb (104) N/A 38.0 μg/m3 (36) 18.5 μg/m3 (65) 104.0
 
July 20, 2021, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 64.0 ppb (81) N/A 49.0 μg/m3 (46) 20.6 μg/m3 (69) 81.0
 
July 20, 2021, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 53.0 ppb (50) N/A 38.0 μg/m3 (36) 16.7 μg/m3 (61) 61.0
 
July 20, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 42.0 ppb (39) N/A 38.0 μg/m3 (36) 16.3 μg/m3 (60) 60.0
 
July 20, 2021, 2 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 81.0 μg/m3 (64) 24.4 μg/m3 (77) 77.0
 
July 20, 2021, 1 p.m. N/A N/A N/A 30.0 ppb (29) N/A 1.0 ppb (2) 11.0 ppb (11) N/A 114.0 μg/m3 (81) 42.1 μg/m3 (118) 118.0
 
July 20, 2021, noon N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 3.0 ppb (3) N/A 71.0 μg/m3 (59) 27.0 μg/m3 (83) 83.0
 
July 20, 2021, 11 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 0.0 ppb (0) N/A 46.0 μg/m3 (43) 21.9 μg/m3 (72) 72.0
 
July 20, 2021, 10 a.m. N/A N/A N/A 25.0 ppb (24) N/A 1.0 ppb (2) 0.0 ppb (0) N/A 41.0 μg/m3 (38) 19.8 μg/m3 (68) 68.0
 
July 20, 2021, 9 a.m. N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 0.0 ppb (0) N/A 33.0 μg/m3 (31) 18.7 μg/m3 (65) 65.0
 
July 20, 2021, 8 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 0.0 ppb (0) N/A 38.0 μg/m3 (36) 19.8 μg/m3 (68) 68.0
 
July 20, 2021, 7 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 0.0 ppb (0) N/A 38.0 μg/m3 (36) 16.8 μg/m3 (61) 61.0
 
July 20, 2021, 6 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 0.0 ppb (0) N/A 39.0 μg/m3 (37) 18.8 μg/m3 (66) 66.0
 
July 20, 2021, 5 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 0.0 ppb (0) N/A 39.0 μg/m3 (37) 20.5 μg/m3 (69) 69.0
 
July 20, 2021, 4 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 0.0 ppb (0) N/A 32.0 μg/m3 (30) 12.2 μg/m3 (52) 52.0
 
July 20, 2021, 3 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 8.0 ppb (8) N/A 20.0 μg/m3 (19) 15.3 μg/m3 (58) 58.0
 
July 20, 2021, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (19) N/A 17.0 μg/m3 (16) 11.2 μg/m3 (47) 47.0
 
July 20, 2021, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 17.0 μg/m3 (16) 9.9 μg/m3 (42) 42.0
 
July 20, 2021, midnight N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 12.0 μg/m3 (12) 11.4 μg/m3 (48) 48.0
 
July 19, 2021, 11 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 34.0 ppb (32) N/A 11.0 μg/m3 (11) N/A 32.0
 
July 19, 2021, 10 p.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 38.0 ppb (36) N/A 9.0 μg/m3 (9) 9.6 μg/m3 (40) 40.0
 
July 19, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 41.0 ppb (38) N/A 13.0 μg/m3 (13) 11.3 μg/m3 (48) 48.0
 
July 19, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A 14.0 μg/m3 (13) 11.3 μg/m3 (48) 48.0
 
July 19, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 46.0 ppb (43) N/A 19.0 μg/m3 (18) 13.5 μg/m3 (54) 54.0
 
July 19, 2021, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 52.0 ppb (49) N/A 42.0 μg/m3 (39) 20.6 μg/m3 (69) 69.0
 
July 19, 2021, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 45.0 ppb (42) N/A 42.0 μg/m3 (39) 17.3 μg/m3 (62) 62.0
 
July 19, 2021, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 60.0 μg/m3 (54) 16.8 μg/m3 (61) 61.0
 
July 19, 2021, 3 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 109.0 μg/m3 (78) 16.9 μg/m3 (62) 78.0
 
July 19, 2021, 2 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 20.0 ppb (19) N/A 127.0 μg/m3 (87) 22.1 μg/m3 (73) 87.0
 
July 19, 2021, 1 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 13.0 ppb (13) N/A 74.0 μg/m3 (61) 22.5 μg/m3 (73) 73.0
 
July 19, 2021, noon N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 2.0 ppb (2) N/A 57.0 μg/m3 (52) 15.7 μg/m3 (59) 59.0
 
July 19, 2021, 11 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 0.0 ppb (0) N/A 29.0 μg/m3 (27) 13.1 μg/m3 (54) 54.0
 
July 19, 2021, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 0.0 ppb (0) N/A 33.0 μg/m3 (31) 15.1 μg/m3 (58) 58.0
 
July 19, 2021, 9 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 0.0 ppb (0) N/A 29.0 μg/m3 (27) 12.8 μg/m3 (53) 53.0
 
July 19, 2021, 8 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 0.0 ppb (0) N/A 24.0 μg/m3 (23) 12.9 μg/m3 (53) 53.0
 
July 19, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 11.0 μg/m3 (11) 5.1 μg/m3 (22) 22.0
 
July 19, 2021, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 24.0 ppb (23) N/A 9.0 μg/m3 (9) 4.4 μg/m3 (19) 23.0
 
July 19, 2021, 5 a.m. N/A N/A N/A -1.0 ppb (0) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 9.0 μg/m3 (9) 5.6 μg/m3 (24) 25.0
 
July 19, 2021, 4 a.m. N/A N/A N/A -1.0 ppb (0) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 10.0 μg/m3 (10) 5.9 μg/m3 (25) 27.0
 
July 19, 2021, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 11.0 μg/m3 (11) 7.9 μg/m3 (33) 33.0
 
July 19, 2021, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 14.0 μg/m3 (13) 8.2 μg/m3 (35) 40.0
 
July 19, 2021, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 43.0 ppb (40) N/A 13.0 μg/m3 (13) 6.3 μg/m3 (27) 40.0
 
July 19, 2021, midnight N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 41.0 ppb (38) N/A 12.0 μg/m3 (12) 6.3 μg/m3 (27) 38.0
 
July 18, 2021, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 42.0 ppb (39) N/A 12.0 μg/m3 (12) N/A 39.0
 
July 18, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 41.0 ppb (38) N/A 13.0 μg/m3 (13) 7.0 μg/m3 (30) 38.0
 
July 18, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 41.0 ppb (38) N/A 14.0 μg/m3 (13) 8.1 μg/m3 (34) 38.0
 
July 18, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 41.0 ppb (38) N/A 14.0 μg/m3 (13) 8.0 μg/m3 (34) 38.0
 
July 18, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 42.0 ppb (39) N/A 16.0 μg/m3 (15) 6.8 μg/m3 (29) 39.0
 
July 18, 2021, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 42.0 ppb (39) N/A 14.0 μg/m3 (13) 7.4 μg/m3 (31) 39.0
 
July 18, 2021, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 38.0 ppb (36) N/A 16.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
July 18, 2021, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 18.0 μg/m3 (17) 7.2 μg/m3 (31) 36.0
 
July 18, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 13.0 μg/m3 (13) 5.8 μg/m3 (25) 38.0
 
July 18, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 11.0 μg/m3 (11) 5.2 μg/m3 (22) 37.0
 
July 18, 2021, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 15.0 μg/m3 (14) 6.8 μg/m3 (29) 29.0
 
July 18, 2021, noon N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (16) N/A 22.0 μg/m3 (21) 10.6 μg/m3 (45) 45.0
 
July 18, 2021, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 9.0 ppb (9) N/A 28.0 μg/m3 (26) 9.2 μg/m3 (39) 39.0
 
July 18, 2021, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) 9.1 μg/m3 (38) 38.0
 
July 18, 2021, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A 17.0 μg/m3 (16) 8.1 μg/m3 (34) 34.0
 
July 18, 2021, 8 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 26.0 ppb (25) N/A 12.0 μg/m3 (12) 6.1 μg/m3 (26) 26.0
 
July 18, 2021, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 11.0 μg/m3 (11) 9.3 μg/m3 (39) 39.0
 
July 18, 2021, 6 a.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 30.0 ppb (28) N/A 10.0 μg/m3 (10) 8.0 μg/m3 (34) 34.0
 
July 18, 2021, 5 a.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 29.0 ppb (27) N/A 11.0 μg/m3 (11) 9.2 μg/m3 (39) 39.0
 
July 18, 2021, 4 a.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 29.0 ppb (27) N/A 10.0 μg/m3 (10) 4.9 μg/m3 (21) 27.0
 
July 18, 2021, 3 a.m. N/A N/A N/A -1.0 ppb (0) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 11.0 μg/m3 (11) 5.8 μg/m3 (25) 29.0
 
July 18, 2021, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 13.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
July 18, 2021, 1 a.m. N/A N/A N/A -1.0 ppb (0) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 13.0 μg/m3 (13) 7.3 μg/m3 (31) 36.0
 
July 18, 2021, midnight N/A N/A N/A -1.0 ppb (0) N/A 0.0 ppb (0) 35.0 ppb (33) N/A 13.0 μg/m3 (13) 9.9 μg/m3 (42) 42.0
 
July 17, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 15.0 μg/m3 (14) N/A 29.0
 
July 17, 2021, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 30.0 μg/m3 (28) 7.9 μg/m3 (33) 33.0
 
July 17, 2021, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 21.0 μg/m3 (20) 9.4 μg/m3 (40) 40.0
 
July 17, 2021, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 17.0 μg/m3 (16) 9.7 μg/m3 (41) 41.0
 
July 17, 2021, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 19.0 μg/m3 (18) 8.5 μg/m3 (36) 36.0
 
July 17, 2021, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
July 17, 2021, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 20.0 μg/m3 (19) 11.9 μg/m3 (50) 50.0
 
July 17, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 42.0 μg/m3 (39) 10.2 μg/m3 (43) 43.0
 
July 17, 2021, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 34.0 μg/m3 (32) 10.5 μg/m3 (44) 44.0
 
July 17, 2021, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 19.0 μg/m3 (18) 8.4 μg/m3 (36) 36.0
 
July 17, 2021, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 23.0 μg/m3 (22) 8.2 μg/m3 (35) 35.0
 
July 17, 2021, noon N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) N/A 18.0 μg/m3 (17) 9.2 μg/m3 (39) 39.0
 
July 17, 2021, 11 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 30.0 ppb (28) N/A 10.0 μg/m3 (10) 3.1 μg/m3 (13) 28.0
 
July 17, 2021, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 30.0 ppb (28) N/A 14.0 μg/m3 (13) -0.1 μg/m3 (0) 28.0
 
July 17, 2021, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A 1.0 ppb (2) 28.0 ppb (26) N/A 6.0 μg/m3 (6) 4.5 μg/m3 (19) 26.0
 
July 17, 2021, 8 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 28.0 ppb (26) N/A 8.0 μg/m3 (8) 7.3 μg/m3 (31) 31.0
 
July 17, 2021, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 7.0 μg/m3 (7) 3.1 μg/m3 (13) 27.0
 
July 17, 2021, 6 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 5.0 μg/m3 (5) 4.2 μg/m3 (18) 27.0
 
July 17, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 10.0 μg/m3 (10) 5.1 μg/m3 (22) 29.0
 
July 17, 2021, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 12.0 μg/m3 (12) 7.0 μg/m3 (30) 31.0