AQSQID: 061112002

Site Name: Simi Valley - Cochran Street

Location: Simi Valley, CA

Reporting: True, Located: True

Current AQI: 42.0

Simi Valley CA, US: 34.2775, -118.6847

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 32.0 μg/m3 (29) N/A 42.0
 
July 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 35.0
 
July 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 31.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
July 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 29.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
July 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 17.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
July 15, 2019, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 18.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
July 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 18.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
July 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
July 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 24.0 μg/m3 (22) 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
July 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 22.0 μg/m3 (20) 13.0 μg/m3 (52) 52.0
 
July 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 25.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
July 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 25.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
July 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 27.0 μg/m3 (25) 8.0 μg/m3 (33) 36.0
 
July 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 18.0 μg/m3 (16) 8.0 μg/m3 (33) 40.0
 
July 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 42.0
 
July 15, 2019, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 41.0
 
July 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 41.0
 
July 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 22.0 μg/m3 (20) 15.0 μg/m3 (56) 56.0
 
July 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 19.0 μg/m3 (17) 7.0 μg/m3 (29) 44.0
 
July 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A 22.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
July 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 29.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
July 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 32.0 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
July 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 32.0 μg/m3 (29) 16.0 μg/m3 (59) 59.0
 
July 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 28.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
July 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 27.0 μg/m3 (25) 17.0 μg/m3 (61) 61.0
 
July 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 28.0 μg/m3 (25) 16.0 μg/m3 (59) 59.0
 
July 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 19.0 μg/m3 (17) 13.0 μg/m3 (52) 52.0
 
July 14, 2019, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 24.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
July 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 25.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
July 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 31.0 μg/m3 (28) 17.0 μg/m3 (61) 61.0
 
July 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 14.0 μg/m3 (54) 54.0
 
July 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 31.0 μg/m3 (28) 17.0 μg/m3 (61) 61.0
 
July 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 26.0 μg/m3 (24) 16.0 μg/m3 (59) 59.0
 
July 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 29.0 μg/m3 (26) 15.0 μg/m3 (56) 56.0
 
July 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 25.0 μg/m3 (23) 18.0 μg/m3 (63) 63.0
 
July 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 27.0 μg/m3 (25) 16.0 μg/m3 (59) 59.0
 
July 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 31.0 μg/m3 (28) 17.0 μg/m3 (61) 61.0
 
July 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 35.0 μg/m3 (32) 13.0 μg/m3 (52) 52.0
 
July 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 31.0 μg/m3 (28) 15.0 μg/m3 (56) 56.0
 
July 14, 2019, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 37.0 μg/m3 (34) 11.0 μg/m3 (46) 46.0
 
July 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A 42.0 μg/m3 (38) 13.0 μg/m3 (52) 52.0
 
July 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 75.0 ppb (58) N/A 46.0 μg/m3 (42) 15.0 μg/m3 (56) 58.0
 
July 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A 53.0 μg/m3 (48) 20.0 μg/m3 (67) 67.0
 
July 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) N/A 64.0 μg/m3 (54) 21.0 μg/m3 (69) 69.0
 
July 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (57) N/A 50.0 μg/m3 (45) 16.0 μg/m3 (59) 59.0
 
July 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 85.0 ppb (67) N/A 40.0 μg/m3 (36) 12.0 μg/m3 (50) 67.0
 
July 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A 38.0 μg/m3 (35) 17.0 μg/m3 (61) 61.0
 
July 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 31.0 μg/m3 (28) 9.0 μg/m3 (38) 41.0
 
July 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
July 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 25.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
July 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
July 13, 2019, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 28.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
July 13, 2019, 11 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) 9.0 μg/m3 (38) 38.0
 
July 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 17.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
July 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
July 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 26.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
July 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
July 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 28.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
July 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 30.0 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
July 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 28.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
July 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 35.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
July 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 38.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
July 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A 34.0 μg/m3 (31) 10.0 μg/m3 (42) 46.0
 
July 13, 2019, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 29.0 μg/m3 (26) 10.0 μg/m3 (42) 45.0
 
July 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 36.0 μg/m3 (33) 11.0 μg/m3 (46) 46.0
 
July 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 49.0 μg/m3 (45) 10.0 μg/m3 (42) 45.0
 
July 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 43.0 μg/m3 (39) 14.0 μg/m3 (54) 54.0
 
July 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A 58.0 μg/m3 (52) 12.0 μg/m3 (50) 53.0
 
July 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) N/A 38.0 μg/m3 (35) 14.0 μg/m3 (54) 55.0
 
July 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A 40.0 μg/m3 (36) 11.0 μg/m3 (46) 52.0
 
July 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 35.0 μg/m3 (32) 13.0 μg/m3 (52) 52.0
 
July 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 34.0 μg/m3 (31) 14.0 μg/m3 (54) 54.0
 
July 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 38.0 μg/m3 (35) 13.0 μg/m3 (52) 52.0
 
July 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 36.0 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
July 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 26.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
July 12, 2019, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
July 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
July 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 25.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
July 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 13.0 μg/m3 (52) 52.0
 
July 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
July 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
July 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 26.0 μg/m3 (24) 10.0 μg/m3 (42) 42.0
 
July 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 26.0 μg/m3 (24) 8.0 μg/m3 (33) 33.0
 
July 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 30.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
July 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 34.0 μg/m3 (31) 9.0 μg/m3 (38) 38.0
 
July 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
July 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 32.0 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
July 12, 2019, midnight N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 39.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
July 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 47.0 μg/m3 (43) 12.0 μg/m3 (50) 50.0
 
July 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 54.0 μg/m3 (49) 12.0 μg/m3 (50) 50.0
 
July 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 55.0 μg/m3 (50) 10.0 μg/m3 (42) 50.0
 
July 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A 39.0 μg/m3 (35) 10.0 μg/m3 (42) 52.0
 
July 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (54) N/A 34.0 μg/m3 (31) 9.0 μg/m3 (38) 54.0
 
July 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 32.0 μg/m3 (29) 13.0 μg/m3 (52) 52.0
 
July 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 34.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
July 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 30.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
July 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 39.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
July 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 41.0 μg/m3 (37) 14.0 μg/m3 (54) 54.0
 
July 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 25.0 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
July 11, 2019, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
July 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
July 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
July 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
July 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
July 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 23.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
July 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 25.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
July 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 25.0 μg/m3 (23) 15.0 μg/m3 (56) 56.0
 
July 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 25.0 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
July 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 29.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
July 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
July 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 33.0 μg/m3 (30) 11.0 μg/m3 (46) 46.0
 
July 11, 2019, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 34.0 μg/m3 (31) 7.0 μg/m3 (29) 38.0
 
July 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 46.0 μg/m3 (42) 8.0 μg/m3 (33) 42.0
 
July 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 41.0 μg/m3 (37) 9.0 μg/m3 (38) 44.0
 
July 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A 40.0 μg/m3 (36) 11.0 μg/m3 (46) 46.0
 
July 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 43.0 μg/m3 (39) 14.0 μg/m3 (54) 54.0
 
July 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A 33.0 μg/m3 (30) 13.0 μg/m3 (52) 52.0
 
July 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 37.0 μg/m3 (34) 10.0 μg/m3 (42) 45.0
 
July 10, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 32.0 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
July 10, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 30.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
July 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 33.0 μg/m3 (30) 12.0 μg/m3 (50) 50.0
 
July 10, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 28.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
July 10, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
July 10, 2019, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
July 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 26.0 μg/m3 (24) 13.0 μg/m3 (52) 52.0
 
July 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 26.0 μg/m3 (24) 14.0 μg/m3 (54) 54.0
 
July 10, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
July 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 22.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
July 10, 2019, 7 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) 12.0 μg/m3 (50) 50.0
 
July 10, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 30.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
July 10, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 26.0 μg/m3 (24) 15.0 μg/m3 (56) 56.0
 
July 10, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 27.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
July 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 28.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
July 10, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 32.0 μg/m3 (29) 13.0 μg/m3 (52) 52.0
 
July 10, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 42.0 μg/m3 (38) 14.0 μg/m3 (54) 54.0
 
July 10, 2019, midnight N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 40.0 μg/m3 (36) 8.0 μg/m3 (33) 45.0
 
July 9, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A 36.0 μg/m3 (33) 12.0 μg/m3 (50) 50.0
 
July 9, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 44.0 μg/m3 (40) 11.0 μg/m3 (46) 46.0
 
July 9, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 47.0 μg/m3 (43) 14.0 μg/m3 (54) 54.0
 
July 9, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 13.0 μg/m3 (52) 52.0
 
July 9, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A 31.0 μg/m3 (28) N/A 47.0
 
July 9, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 28.0 μg/m3 (25) N/A 39.0
 
July 9, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 30.0 μg/m3 (27) 15.0 μg/m3 (56) 56.0
 
July 9, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 24.0 μg/m3 (22) 16.0 μg/m3 (59) 59.0
 
July 9, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 26.0 μg/m3 (24) 17.0 μg/m3 (61) 61.0
 
July 9, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 27.0 μg/m3 (25) 19.0 μg/m3 (65) 65.0
 
July 9, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 25.0 μg/m3 (23) 19.0 μg/m3 (65) 65.0
 
July 9, 2019, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 27.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
July 9, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 24.0 μg/m3 (22) 14.0 μg/m3 (54) 54.0
 
July 9, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
July 9, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
July 9, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 17.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
July 9, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
July 9, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
July 9, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 16.0 μg/m3 (15) 14.0 μg/m3 (54) 54.0
 
July 9, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
July 9, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 22.0 μg/m3 (20) 16.0 μg/m3 (59) 59.0
 
July 9, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 26.0 μg/m3 (24) 15.0 μg/m3 (56) 56.0
 
July 9, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 34.0 μg/m3 (31) 13.0 μg/m3 (52) 52.0
 
July 9, 2019, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 36.0 μg/m3 (33) 14.0 μg/m3 (54) 54.0
 
July 8, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 38.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
July 8, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 40.0 μg/m3 (36) 17.0 μg/m3 (61) 61.0
 
July 8, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 36.0 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
July 8, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 22.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
July 8, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 21.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
July 8, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 20.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0