AQSQID: 060251003

Site Name: El Centro - 9th Street

Location: El Centro, CA

Reporting: True, Located: True

Current AQI: 50.0

El Centro CA, US: 32.7917, -115.5617

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 55.0 μg/m3 (50) 12.0 μg/m3 (50) 50.0
 
July 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 61.0 μg/m3 (53) 14.0 μg/m3 (54) 54.0
 
July 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 43.0 μg/m3 (39) 8.0 μg/m3 (33) 39.0
 
July 21, 2019, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 47.0 μg/m3 (43) 9.0 μg/m3 (38) 43.0
 
July 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 52.0 μg/m3 (47) 11.0 μg/m3 (46) 47.0
 
July 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 52.0 μg/m3 (47) 12.0 μg/m3 (50) 50.0
 
July 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 48.0 μg/m3 (44) 10.0 μg/m3 (42) 44.0
 
July 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 56.0 μg/m3 (50) 8.0 μg/m3 (33) 50.0
 
July 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 59.0 μg/m3 (52) 7.0 μg/m3 (29) 52.0
 
July 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 50.0 μg/m3 (45) 9.0 μg/m3 (38) 45.0
 
July 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 64.0 μg/m3 (54) 10.0 μg/m3 (42) 54.0
 
July 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 63.0 μg/m3 (54) 17.0 μg/m3 (61) 61.0
 
July 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 29.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
July 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 30.0 μg/m3 (27) 8.0 μg/m3 (33) 33.0
 
July 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 53.0 μg/m3 (48) 17.0 μg/m3 (61) 61.0
 
July 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
July 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 26.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
July 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 36.0 μg/m3 (33) 7.0 μg/m3 (29) 33.0
 
July 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 52.0 μg/m3 (47) 10.0 μg/m3 (42) 47.0
 
July 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 41.0 μg/m3 (37) 8.0 μg/m3 (33) 37.0
 
July 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 33.0 μg/m3 (30) 8.0 μg/m3 (33) 33.0
 
July 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 32.0 μg/m3 (29) 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 77.0 μg/m3 (61) 13.0 μg/m3 (52) 61.0
 
July 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 99.0 μg/m3 (72) 12.0 μg/m3 (50) 72.0
 
July 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 183.0 μg/m3 (114) 15.0 μg/m3 (56) 114.0
 
July 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 89.0 μg/m3 (67) 9.0 μg/m3 (38) 67.0
 
July 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 56.0 μg/m3 (50) 11.0 μg/m3 (46) 50.0
 
July 20, 2019, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 39.0 μg/m3 (35) 8.0 μg/m3 (33) 35.0
 
July 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 48.0 μg/m3 (44) 6.0 μg/m3 (25) 44.0
 
July 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 28.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
July 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 30.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
July 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 49.0 μg/m3 (45) 10.0 μg/m3 (42) 45.0
 
July 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 54.0 μg/m3 (49) 10.0 μg/m3 (42) 49.0
 
July 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 57.0 μg/m3 (51) 8.0 μg/m3 (33) 51.0
 
July 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 26.0 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
July 19, 2019, 4 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) 4.0 μg/m3 (17) 25.0
 
July 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 36.0 μg/m3 (33) 5.0 μg/m3 (21) 33.0
 
July 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 36.0 μg/m3 (33) 6.0 μg/m3 (25) 33.0
 
July 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 29.0 μg/m3 (26) 7.0 μg/m3 (29) 29.0
 
July 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
July 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 37.0 μg/m3 (34) 4.0 μg/m3 (17) 34.0
 
July 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 26.0 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
July 19, 2019, 9 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) 3.0 μg/m3 (12) 15.0
 
July 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 13.0
 
July 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
July 19, 2019, 6 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) 5.0 μg/m3 (21) 21.0
 
July 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
July 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 33.0 μg/m3 (30) 8.0 μg/m3 (33) 33.0
 
July 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 64.0 μg/m3 (54) 7.0 μg/m3 (29) 54.0
 
July 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 114.0 μg/m3 (80) 7.0 μg/m3 (29) 80.0
 
July 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 70.0 μg/m3 (58) 7.0 μg/m3 (29) 58.0
 
July 19, 2019, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 41.0 μg/m3 (37) 9.0 μg/m3 (38) 38.0
 
July 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 35.0 μg/m3 (32) 13.0 μg/m3 (52) 52.0
 
July 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 40.0 μg/m3 (36) 11.0 μg/m3 (46) 46.0
 
July 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 35.0 μg/m3 (32) 5.0 μg/m3 (21) 32.0
 
July 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 22.0
 
July 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 23.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
July 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 31.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
July 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 44.0 μg/m3 (40) 11.0 μg/m3 (46) 46.0
 
July 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 77.0 μg/m3 (61) 15.0 μg/m3 (56) 61.0
 
July 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 49.0 μg/m3 (45) 13.0 μg/m3 (52) 52.0
 
July 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 11.0 μg/m3 (46) 46.0
 
July 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 44.0 μg/m3 (40) 18.0 μg/m3 (63) 63.0
 
July 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 40.0 μg/m3 (36) 17.0 μg/m3 (61) 61.0
 
July 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 46.0 μg/m3 (42) 15.0 μg/m3 (56) 56.0
 
July 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 48.0 μg/m3 (44) 18.0 μg/m3 (63) 63.0
 
July 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 64.0 μg/m3 (54) 29.0 μg/m3 (86) 86.0
 
July 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 36.0 μg/m3 (33) 9.0 μg/m3 (38) 38.0
 
July 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 41.0 μg/m3 (37) 7.0 μg/m3 (29) 37.0
 
July 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 35.0 μg/m3 (32) 6.0 μg/m3 (25) 32.0
 
July 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 51.0 μg/m3 (46) 8.0 μg/m3 (33) 46.0
 
July 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 59.0 μg/m3 (52) 10.0 μg/m3 (42) 52.0
 
July 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 81.0 μg/m3 (63) 13.0 μg/m3 (52) 63.0
 
July 18, 2019, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 107.0 μg/m3 (76) 20.0 μg/m3 (67) 76.0
 
July 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 102.0 μg/m3 (74) 17.0 μg/m3 (61) 74.0
 
July 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 104.0 μg/m3 (74) 16.0 μg/m3 (59) 74.0
 
July 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 85.0 μg/m3 (65) 17.0 μg/m3 (61) 65.0
 
July 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 99.0 μg/m3 (72) 20.0 μg/m3 (67) 72.0
 
July 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 72.0 μg/m3 (58) 15.0 μg/m3 (56) 58.0
 
July 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 64.0 μg/m3 (54) 21.0 μg/m3 (69) 69.0
 
July 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 61.0 μg/m3 (53) 19.0 μg/m3 (65) 65.0
 
July 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
July 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 80.0 μg/m3 (62) 28.0 μg/m3 (84) 84.0
 
July 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 71.0 μg/m3 (58) 17.0 μg/m3 (61) 61.0
 
July 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 77.0 μg/m3 (61) 17.0 μg/m3 (61) 61.0
 
July 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) 13.0 μg/m3 (52) 54.0
 
July 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
July 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 23.0 μg/m3 (21) 7.0 μg/m3 (29) 29.0
 
July 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
July 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 31.0 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
July 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 28.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
July 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 33.0 μg/m3 (30) 8.0 μg/m3 (33) 33.0
 
July 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 29.0 μg/m3 (26) 7.0 μg/m3 (29) 29.0
 
July 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 56.0 μg/m3 (50) 7.0 μg/m3 (29) 50.0
 
July 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 89.0 μg/m3 (67) 11.0 μg/m3 (46) 67.0
 
July 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 95.0 μg/m3 (70) 12.0 μg/m3 (50) 70.0
 
July 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 81.0 μg/m3 (63) 10.0 μg/m3 (42) 63.0
 
July 17, 2019, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 47.0 μg/m3 (43) 13.0 μg/m3 (52) 52.0
 
July 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 52.0 μg/m3 (47) 12.0 μg/m3 (50) 50.0
 
July 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 50.0 μg/m3 (45) 13.0 μg/m3 (52) 52.0
 
July 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 36.0 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
July 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 39.0 μg/m3 (35) 7.0 μg/m3 (29) 35.0
 
July 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 23.0
 
July 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (12) 23.0
 
July 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 24.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 59.0 μg/m3 (52) 7.0 μg/m3 (29) 52.0
 
July 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 39.0 μg/m3 (35) 7.0 μg/m3 (29) 35.0
 
July 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 30.0 μg/m3 (27) 3.0 μg/m3 (12) 27.0
 
July 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 5.0 μg/m3 (21) 29.0
 
July 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
July 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 18.0
 
July 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
July 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 29.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
July 16, 2019, 5 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) 10.0 μg/m3 (42) 42.0
 
July 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 23.0 μg/m3 (21) 4.0 μg/m3 (17) 25.0
 
July 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 35.0 μg/m3 (32) 6.0 μg/m3 (25) 32.0
 
July 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 47.0 μg/m3 (43) 7.0 μg/m3 (29) 43.0
 
July 16, 2019, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 37.0 μg/m3 (34) 5.0 μg/m3 (21) 34.0
 
July 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 20.0 μg/m3 (18) 3.0 μg/m3 (12) 30.0
 
July 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 32.0 μg/m3 (29) 7.0 μg/m3 (29) 31.0
 
July 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 27.0 μg/m3 (25) 7.0 μg/m3 (29) 31.0
 
July 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 32.0 μg/m3 (29) 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 34.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
July 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 41.0 μg/m3 (37) 12.0 μg/m3 (50) 50.0
 
July 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 58.0 μg/m3 (52) 16.0 μg/m3 (59) 59.0
 
July 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 50.0 μg/m3 (45) 13.0 μg/m3 (52) 52.0
 
July 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 53.0 μg/m3 (48) 8.0 μg/m3 (33) 48.0
 
July 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 53.0 μg/m3 (48) 8.0 μg/m3 (33) 48.0
 
July 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 179.0 μg/m3 (112) 13.0 μg/m3 (52) 112.0
 
July 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 252.0 μg/m3 (148) 22.0 μg/m3 (71) 148.0
 
July 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 21.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
July 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 24.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
July 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 24.0 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
July 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 34.0 μg/m3 (31) 18.0 μg/m3 (63) 63.0
 
July 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 44.0 μg/m3 (40) 14.0 μg/m3 (54) 54.0
 
July 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 77.0 μg/m3 (61) 13.0 μg/m3 (52) 61.0
 
July 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 69.0 μg/m3 (57) 12.0 μg/m3 (50) 57.0
 
July 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 67.0 μg/m3 (56) 13.0 μg/m3 (52) 56.0
 
July 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 39.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
July 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 35.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
July 15, 2019, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 39.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
July 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 49.0 μg/m3 (45) 18.0 μg/m3 (63) 63.0
 
July 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 45.0 μg/m3 (41) 11.0 μg/m3 (46) 46.0
 
July 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 44.0 μg/m3 (40) 13.0 μg/m3 (52) 52.0
 
July 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 33.0 μg/m3 (30) 19.0 μg/m3 (65) 65.0
 
July 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 41.0 μg/m3 (37) 16.0 μg/m3 (59) 59.0
 
July 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 46.0 μg/m3 (42) 13.0 μg/m3 (52) 52.0
 
July 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 45.0 μg/m3 (41) 17.0 μg/m3 (61) 61.0
 
July 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 52.0 μg/m3 (47) 22.0 μg/m3 (71) 71.0
 
July 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 50.0 μg/m3 (45) 19.0 μg/m3 (65) 65.0
 
July 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 44.0 μg/m3 (40) 19.0 μg/m3 (65) 65.0
 
July 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 33.0 μg/m3 (30) 13.0 μg/m3 (52) 52.0
 
July 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
July 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 28.0 μg/m3 (25) 19.0 μg/m3 (65) 65.0
 
July 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 34.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
July 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 36.0 μg/m3 (33) 17.0 μg/m3 (61) 61.0
 
July 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 43.0 μg/m3 (39) 13.0 μg/m3 (52) 52.0
 
July 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 40.0 μg/m3 (36) 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 7.0 ppb (5) N/A 53.0 μg/m3 (48) 17.0 μg/m3 (61) 61.0
 
July 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 52.0 μg/m3 (47) 16.0 μg/m3 (59) 59.0
 
July 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 76.0 μg/m3 (60) 27.0 μg/m3 (82) 82.0