AQSQID: 060254004

Site Name: Niland - English Road

Location: Imperial Co, CA

Reporting: True, Located: True

Current AQI: 31.0

Imperial Co CA, US: 33.2136, -115.5444

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 34.0 μg/m3 (31) N/A 31.0
 
July 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 44.0 μg/m3 (40) N/A 40.0
 
July 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 61.0 μg/m3 (53) N/A 53.0
 
July 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 57.0 μg/m3 (51) N/A 51.0
 
July 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 48.0 μg/m3 (44) N/A 44.0
 
July 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 122.0 μg/m3 (84) N/A 84.0
 
July 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 136.0 μg/m3 (90) N/A 90.0
 
July 18, 2019, midnight N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 93.0 μg/m3 (69) N/A 69.0
 
July 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 96.0 μg/m3 (70) N/A 70.0
 
July 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 125.0 μg/m3 (85) N/A 85.0
 
July 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 148.0 μg/m3 (96) N/A 96.0
 
July 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 169.0 μg/m3 (107) N/A 107.0
 
July 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 181.0 μg/m3 (113) N/A 113.0
 
July 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 108.0 μg/m3 (76) N/A 76.0
 
July 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 75.0 μg/m3 (60) N/A 60.0
 
July 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 61.0 μg/m3 (53) N/A 53.0
 
July 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 69.0 μg/m3 (57) N/A 57.0
 
July 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 83.0 μg/m3 (64) N/A 64.0
 
July 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 90.0 μg/m3 (68) N/A 68.0
 
July 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 85.0 μg/m3 (65) N/A 65.0
 
July 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 39.0 μg/m3 (35) N/A 35.0
 
July 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 35.0 μg/m3 (32) N/A 32.0
 
July 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 24.0 μg/m3 (22) N/A 22.0
 
July 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 14.0 μg/m3 (13) N/A 14.0
 
July 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 19.0 μg/m3 (17) N/A 22.0
 
July 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 21.0 μg/m3 (19) N/A 22.0
 
July 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 23.0 μg/m3 (21) N/A 24.0
 
July 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 28.0 μg/m3 (25) N/A 28.0
 
July 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 30.0 μg/m3 (27) N/A 27.0
 
July 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 30.0 μg/m3 (27) N/A 27.0
 
July 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 43.0 μg/m3 (39) N/A 39.0
 
July 17, 2019, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 30.0 μg/m3 (27) N/A 27.0
 
July 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 14.0 μg/m3 (13) N/A 14.0
 
July 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 62.0 μg/m3 (54) N/A 54.0
 
July 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 29.0 μg/m3 (26) N/A 26.0
 
July 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 27.0 μg/m3 (25) N/A 25.0
 
July 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 15.0 μg/m3 (14) N/A 14.0
 
July 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 21.0 μg/m3 (19) N/A 19.0
 
July 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 52.0 μg/m3 (47) N/A 47.0
 
July 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 41.0 μg/m3 (37) N/A 37.0
 
July 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 64.0 μg/m3 (54) N/A 54.0
 
July 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 64.0 μg/m3 (54) N/A 54.0
 
July 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 58.0 μg/m3 (52) N/A 52.0
 
July 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) N/A 47.0
 
July 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 38.0 μg/m3 (35) N/A 35.0
 
July 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 30.0 μg/m3 (27) N/A 27.0
 
July 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 24.0 μg/m3 (22) N/A 22.0
 
July 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 21.0 μg/m3 (19) N/A 19.0
 
July 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 15.0 μg/m3 (14) N/A 22.0
 
July 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 20.0 μg/m3 (18) N/A 25.0
 
July 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 35.0 μg/m3 (32) N/A 32.0
 
July 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 39.0 μg/m3 (35) N/A 35.0
 
July 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 44.0 μg/m3 (40) N/A 40.0
 
July 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 52.0 μg/m3 (47) N/A 47.0
 
July 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 27.0 μg/m3 (25) N/A 25.0
 
July 16, 2019, midnight N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 7.0 μg/m3 (6) N/A 11.0
 
July 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 8.0 μg/m3 (7) N/A 8.0
 
July 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 6.0 μg/m3 (5) N/A 9.0
 
July 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 16.0 μg/m3 (15) N/A 15.0
 
July 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 29.0 μg/m3 (26) N/A 26.0
 
July 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 39.0 μg/m3 (35) N/A 35.0
 
July 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 67.0 μg/m3 (56) N/A 56.0
 
July 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
July 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 62.0 μg/m3 (54) N/A 54.0
 
July 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 64.0 μg/m3 (54) N/A 54.0
 
July 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 68.0 μg/m3 (56) N/A 56.0
 
July 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 26.0 μg/m3 (24) N/A 24.0
 
July 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) N/A 24.0
 
July 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 31.0 μg/m3 (28) N/A 28.0
 
July 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 28.0 μg/m3 (25) N/A 25.0
 
July 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 21.0 μg/m3 (19) N/A 19.0
 
July 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 33.0 μg/m3 (30) N/A 30.0
 
July 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 33.0 μg/m3 (30) N/A 30.0
 
July 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 50.0 μg/m3 (45) N/A 45.0
 
July 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 65.0 μg/m3 (55) N/A 55.0
 
July 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 72.0 μg/m3 (58) N/A 58.0
 
July 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 66.0 μg/m3 (56) N/A 56.0
 
July 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 46.0 μg/m3 (42) N/A 42.0
 
July 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 61.0 μg/m3 (53) N/A 53.0
 
July 15, 2019, midnight N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 21.0 μg/m3 (19) N/A 19.0
 
July 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 33.0 μg/m3 (30) N/A 30.0
 
July 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 31.0 μg/m3 (28) N/A 28.0
 
July 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 34.0 μg/m3 (31) N/A 31.0
 
July 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 37.0 μg/m3 (34) N/A 34.0
 
July 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 95.0 μg/m3 (70) N/A 70.0
 
July 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 42.0 μg/m3 (38) N/A 38.0
 
July 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 60.0 μg/m3 (52) N/A 52.0
 
July 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 37.0 μg/m3 (34) N/A 34.0
 
July 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 32.0 μg/m3 (29) N/A 29.0
 
July 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 28.0 μg/m3 (25) N/A 25.0
 
July 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 36.0 μg/m3 (33) N/A 33.0
 
July 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) N/A 25.0
 
July 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 30.0 μg/m3 (27) N/A 27.0
 
July 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 32.0 μg/m3 (29) N/A 29.0
 
July 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 30.0 μg/m3 (27) N/A 27.0
 
July 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 32.0 μg/m3 (29) N/A 29.0
 
July 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 30.0 μg/m3 (27) N/A 27.0
 
July 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 26.0 μg/m3 (24) N/A 24.0
 
July 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 37.0 μg/m3 (34) N/A 34.0
 
July 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 52.0 μg/m3 (47) N/A 47.0
 
July 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 76.0 μg/m3 (60) N/A 60.0
 
July 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 103.0 μg/m3 (74) N/A 74.0
 
July 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 140.0 μg/m3 (92) N/A 92.0
 
July 14, 2019, midnight N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 153.0 μg/m3 (99) N/A 99.0
 
July 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 210.0 μg/m3 (128) N/A 128.0
 
July 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 205.0 μg/m3 (125) N/A 125.0
 
July 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 142.0 μg/m3 (94) N/A 94.0
 
July 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 60.0 μg/m3 (52) N/A 52.0
 
July 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 83.0 μg/m3 (64) N/A 64.0
 
July 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 71.0 μg/m3 (58) N/A 58.0
 
July 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 61.0 μg/m3 (53) N/A 53.0
 
July 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 40.0 μg/m3 (36) N/A 36.0
 
July 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 35.0 μg/m3 (32) N/A 32.0
 
July 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 40.0 μg/m3 (36) N/A 36.0
 
July 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 40.0 μg/m3 (36) N/A 36.0
 
July 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) N/A 40.0
 
July 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 74.0 μg/m3 (60) N/A 60.0
 
July 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 45.0 μg/m3 (41) N/A 41.0
 
July 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 80.0 μg/m3 (62) N/A 62.0
 
July 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 52.0 μg/m3 (47) N/A 47.0
 
July 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 43.0 μg/m3 (39) N/A 39.0
 
July 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 36.0 μg/m3 (33) N/A 33.0
 
July 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 57.0 μg/m3 (51) N/A 51.0
 
July 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 54.0 μg/m3 (49) N/A 49.0
 
July 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 55.0 μg/m3 (50) N/A 50.0
 
July 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 67.0 μg/m3 (56) N/A 56.0
 
July 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 27.0 μg/m3 (25) N/A 25.0
 
July 13, 2019, midnight N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 47.0 μg/m3 (43) N/A 43.0
 
July 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 48.0 μg/m3 (44) N/A 44.0
 
July 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 20.0 μg/m3 (18) N/A 18.0
 
July 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 20.0 μg/m3 (18) N/A 18.0
 
July 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 34.0 μg/m3 (31) N/A 31.0
 
July 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 39.0 μg/m3 (35) N/A 35.0
 
July 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 68.0 μg/m3 (56) N/A 56.0
 
July 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 77.0 μg/m3 (61) N/A 61.0
 
July 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 77.0 μg/m3 (61) N/A 61.0
 
July 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 62.0 μg/m3 (54) N/A 54.0
 
July 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 41.0 μg/m3 (37) N/A 37.0
 
July 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 69.0 μg/m3 (57) N/A 57.0
 
July 12, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (49) N/A 49.0
 
July 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 70.0 μg/m3 (58) N/A 58.0
 
July 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 109.0 μg/m3 (77) N/A 77.0
 
July 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 54.0 μg/m3 (49) N/A 49.0
 
July 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 45.0 μg/m3 (41) N/A 41.0
 
July 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 58.0 μg/m3 (52) N/A 52.0
 
July 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 78.0 μg/m3 (62) N/A 62.0
 
July 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 55.0 μg/m3 (50) N/A 50.0
 
July 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 20.0 μg/m3 (18) N/A 18.0
 
July 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 131.0 μg/m3 (88) N/A 88.0
 
July 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 25.0 μg/m3 (23) N/A 23.0
 
July 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 34.0 μg/m3 (31) N/A 31.0
 
July 12, 2019, midnight N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 50.0 μg/m3 (45) N/A 45.0
 
July 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 29.0 μg/m3 (26) N/A 26.0
 
July 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 56.0 μg/m3 (50) N/A 50.0
 
July 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 61.0 μg/m3 (53) N/A 53.0
 
July 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 34.0 μg/m3 (31) N/A 31.0
 
July 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 39.0 μg/m3 (35) N/A 35.0
 
July 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 36.0 μg/m3 (33) N/A 33.0
 
July 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 29.0 μg/m3 (26) N/A 26.0
 
July 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 35.0 μg/m3 (32) N/A 32.0
 
July 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 54.0 μg/m3 (49) N/A 49.0
 
July 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 56.0 μg/m3 (50) N/A 50.0
 
July 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 56.0 μg/m3 (50) N/A 50.0
 
July 11, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) N/A 40.0
 
July 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 45.0 μg/m3 (41) N/A 41.0
 
July 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 38.0 μg/m3 (35) N/A 35.0
 
July 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 45.0 μg/m3 (41) N/A 41.0
 
July 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 48.0 μg/m3 (44) N/A 44.0