LA (Chavez Ravine Place) CA, US: 34.0669, -118.2417
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 18, 2019, 7 a.m. | 15.8 ppb (15) | 1.0 ppb (1) | 13.9 ppb (13) | 15.0 ppb (14) | 13.5 ppb (12) | 0.0 ppb (0) | 16.0 ppb (12) | N/A | 24.0 μg/m3 (22) | 11.0 μg/m3 (46) | 46.0 | |
| July 18, 2019, 6 a.m. | 15.7 ppb (15) | 0.9 ppb (1) | 13.7 ppb (13) | 15.0 ppb (14) | 13.5 ppb (12) | 0.0 ppb (0) | 19.0 ppb (15) | N/A | 34.0 μg/m3 (31) | 18.0 μg/m3 (63) | 63.0 | |
| July 18, 2019, 5 a.m. | 10.4 ppb (10) | 0.5 ppb (0) | 9.5 ppb (9) | 10.0 ppb (9) | 9.4 ppb (9) | 0.0 ppb (0) | 27.0 ppb (21) | N/A | 26.0 μg/m3 (24) | 14.0 μg/m3 (54) | 54.0 | |
| July 18, 2019, 4 a.m. | 9.9 ppb (9) | 0.6 ppb (1) | 8.4 ppb (8) | 9.0 ppb (8) | 8.0 ppb (7) | 0.0 ppb (0) | 30.0 ppb (23) | N/A | 26.0 μg/m3 (24) | 11.0 μg/m3 (46) | 46.0 | |
| July 18, 2019, 3 a.m. | 9.6 ppb (9) | 0.3 ppb (0) | 8.1 ppb (8) | 9.0 ppb (8) | 8.0 ppb (7) | 0.0 ppb (0) | 31.0 ppb (24) | N/A | 27.0 μg/m3 (25) | 11.0 μg/m3 (46) | 46.0 | |
| July 18, 2019, 2 a.m. | 11.6 ppb (11) | 0.7 ppb (1) | 10.1 ppb (9) | 11.0 ppb (10) | 9.5 ppb (9) | 0.0 ppb (0) | 30.0 ppb (23) | N/A | 25.0 μg/m3 (23) | 9.0 μg/m3 (38) | 38.0 | |
| July 18, 2019, 1 a.m. | 13.6 ppb (13) | 1.8 ppb (2) | 12.2 ppb (11) | 12.0 ppb (11) | 10.3 ppb (10) | 1.0 ppb (1) | 34.0 ppb (26) | N/A | 27.0 μg/m3 (25) | 8.0 μg/m3 (33) | 33.0 | |
| July 18, 2019, midnight | 17.0 ppb (16) | 2.9 ppb (3) | 15.5 ppb (14) | 14.0 ppb (13) | 12.4 ppb (11) | 1.0 ppb (1) | 37.0 ppb (28) | N/A | 31.0 μg/m3 (28) | 10.0 μg/m3 (42) | 42.0 | |
| July 17, 2019, 11 p.m. | 14.0 ppb (13) | 2.4 ppb (2) | 13.0 ppb (12) | 12.0 ppb (11) | 10.4 ppb (10) | 1.0 ppb (1) | 41.0 ppb (32) | N/A | 36.0 μg/m3 (33) | 11.0 μg/m3 (46) | 46.0 | |
| July 17, 2019, 10 p.m. | 13.6 ppb (13) | 2.4 ppb (2) | 12.4 ppb (11) | 11.0 ppb (10) | 10.0 ppb (9) | 1.0 ppb (1) | 43.0 ppb (33) | N/A | 38.0 μg/m3 (35) | 16.0 μg/m3 (59) | 59.0 | |
| July 17, 2019, 9 p.m. | 13.0 ppb (12) | 2.3 ppb (2) | 12.4 ppb (11) | 11.0 ppb (10) | 10.0 ppb (9) | 1.0 ppb (1) | 44.0 ppb (34) | N/A | 38.0 μg/m3 (35) | 20.0 μg/m3 (67) | 67.0 | |
| July 17, 2019, 8 p.m. | 14.4 ppb (13) | 2.9 ppb (3) | 13.3 ppb (12) | 11.0 ppb (10) | 10.5 ppb (10) | 1.0 ppb (1) | 42.0 ppb (32) | N/A | 44.0 μg/m3 (40) | 19.0 μg/m3 (65) | 65.0 | |
| July 17, 2019, 7 p.m. | 18.6 ppb (17) | 4.4 ppb (4) | 17.4 ppb (16) | 14.0 ppb (13) | 13.4 ppb (12) | 1.0 ppb (1) | 42.0 ppb (32) | N/A | 52.0 μg/m3 (47) | 17.0 μg/m3 (61) | 61.0 | |
| July 17, 2019, 6 p.m. | 20.4 ppb (19) | 5.0 ppb (5) | 18.7 ppb (17) | 15.0 ppb (14) | 14.0 ppb (13) | 0.0 ppb (0) | 38.0 ppb (29) | N/A | 46.0 μg/m3 (42) | 34.0 μg/m3 (97) | 97.0 | |
| July 17, 2019, 5 p.m. | 25.6 ppb (24) | 8.3 ppb (8) | 24.8 ppb (23) | 17.0 ppb (16) | 16.5 ppb (15) | 0.0 ppb (0) | 26.0 ppb (20) | N/A | 46.0 μg/m3 (42) | 8.0 μg/m3 (33) | 42.0 | |
| July 17, 2019, 4 p.m. | 29.2 ppb (27) | 11.2 ppb (10) | 25.6 ppb (24) | 18.0 ppb (17) | 14.6 ppb (14) | 0.0 ppb (0) | 19.0 ppb (15) | N/A | 41.0 μg/m3 (37) | 23.0 μg/m3 (73) | 73.0 | |
| July 17, 2019, 3 p.m. | 24.3 ppb (23) | 9.4 ppb (9) | 21.1 ppb (20) | 15.0 ppb (14) | 11.9 ppb (11) | 0.0 ppb (0) | 17.0 ppb (13) | N/A | 42.0 μg/m3 (38) | 24.0 μg/m3 (76) | 76.0 | |
| July 17, 2019, 2 p.m. | 19.5 ppb (18) | 5.5 ppb (5) | 16.0 ppb (15) | 14.0 ppb (13) | 10.4 ppb (10) | 0.0 ppb (0) | 14.0 ppb (11) | N/A | 34.0 μg/m3 (31) | 18.0 μg/m3 (63) | 63.0 | |
| July 17, 2019, 1 p.m. | 17.2 ppb (16) | 3.4 ppb (3) | 12.9 ppb (12) | 14.0 ppb (13) | 9.3 ppb (9) | 0.0 ppb (0) | 13.0 ppb (10) | N/A | 49.0 μg/m3 (45) | 21.0 μg/m3 (69) | 69.0 | |
| July 17, 2019, noon | 11.9 ppb (11) | 1.2 ppb (1) | 8.2 ppb (8) | 11.0 ppb (10) | 7.8 ppb (7) | 0.0 ppb (0) | 16.0 ppb (12) | N/A | 28.0 μg/m3 (25) | 14.0 μg/m3 (54) | 54.0 | |
| July 17, 2019, 11 a.m. | 9.8 ppb (9) | 0.8 ppb (1) | 6.1 ppb (6) | 9.0 ppb (8) | 6.0 ppb (6) | 0.0 ppb (0) | 18.0 ppb (14) | N/A | 28.0 μg/m3 (25) | 16.0 μg/m3 (59) | 59.0 | |
| July 17, 2019, 10 a.m. | 10.5 ppb (10) | 1.1 ppb (1) | 8.1 ppb (8) | 9.0 ppb (8) | 7.8 ppb (7) | 0.0 ppb (0) | 17.0 ppb (13) | N/A | 27.0 μg/m3 (25) | 17.0 μg/m3 (61) | 61.0 | |
| July 17, 2019, 9 a.m. | 9.2 ppb (9) | 0.8 ppb (1) | 7.1 ppb (7) | 8.0 ppb (7) | 6.6 ppb (6) | 0.0 ppb (0) | 19.0 ppb (15) | N/A | 24.0 μg/m3 (22) | 16.0 μg/m3 (59) | 59.0 | |
| July 17, 2019, 8 a.m. | 9.9 ppb (9) | 0.9 ppb (1) | 8.5 ppb (8) | 9.0 ppb (8) | 8.3 ppb (8) | 0.0 ppb (0) | 18.0 ppb (14) | N/A | 23.0 μg/m3 (21) | 17.0 μg/m3 (61) | 61.0 | |
| July 17, 2019, 7 a.m. | 12.6 ppb (12) | 1.2 ppb (1) | 10.3 ppb (10) | 11.0 ppb (10) | 10.0 ppb (9) | 0.0 ppb (0) | 19.0 ppb (15) | N/A | 34.0 μg/m3 (31) | 15.0 μg/m3 (56) | 56.0 | |
| July 17, 2019, 6 a.m. | 20.8 ppb (19) | 3.9 ppb (4) | 20.2 ppb (19) | 17.0 ppb (16) | 18.2 ppb (17) | 0.0 ppb (0) | 13.0 ppb (10) | N/A | 34.0 μg/m3 (31) | 16.0 μg/m3 (59) | 59.0 | |
| July 17, 2019, 5 a.m. | 19.7 ppb (18) | 1.3 ppb (1) | 18.6 ppb (17) | 18.0 ppb (17) | 18.2 ppb (17) | 1.0 ppb (1) | 17.0 ppb (13) | N/A | 35.0 μg/m3 (32) | 14.0 μg/m3 (54) | 54.0 | |
| July 17, 2019, 4 a.m. | 15.3 ppb (14) | 0.8 ppb (1) | 13.6 ppb (13) | 14.0 ppb (13) | 13.4 ppb (12) | 1.0 ppb (1) | 24.0 ppb (18) | N/A | 30.0 μg/m3 (27) | 14.0 μg/m3 (54) | 54.0 | |
| July 17, 2019, 3 a.m. | 15.1 ppb (14) | 0.7 ppb (1) | 13.4 ppb (12) | 14.0 ppb (13) | 13.3 ppb (12) | 0.0 ppb (0) | 30.0 ppb (23) | N/A | 39.0 μg/m3 (35) | 16.0 μg/m3 (59) | 59.0 | |
| July 17, 2019, 2 a.m. | 18.3 ppb (17) | 1.0 ppb (1) | 16.8 ppb (16) | 17.0 ppb (16) | 16.1 ppb (15) | 1.0 ppb (1) | 34.0 ppb (26) | N/A | 38.0 μg/m3 (35) | 16.0 μg/m3 (59) | 59.0 | |
| July 17, 2019, 1 a.m. | 20.8 ppb (19) | 2.3 ppb (2) | 19.1 ppb (18) | 18.0 ppb (17) | 16.8 ppb (16) | 1.0 ppb (1) | 40.0 ppb (31) | N/A | 40.0 μg/m3 (36) | 20.0 μg/m3 (67) | 67.0 | |
| July 17, 2019, midnight | 19.9 ppb (18) | 2.7 ppb (3) | 18.6 ppb (17) | 17.0 ppb (16) | 15.7 ppb (15) | 1.0 ppb (1) | 46.0 ppb (35) | N/A | 42.0 μg/m3 (38) | 20.0 μg/m3 (67) | 67.0 | |
| July 16, 2019, 11 p.m. | 19.6 ppb (18) | 2.5 ppb (2) | 18.5 ppb (17) | 17.0 ppb (16) | 15.7 ppb (15) | 1.0 ppb (1) | 52.0 ppb (40) | N/A | 47.0 μg/m3 (43) | 23.0 μg/m3 (73) | 73.0 | |
| July 16, 2019, 10 p.m. | 19.6 ppb (18) | 2.5 ppb (2) | 18.8 ppb (17) | 17.0 ppb (16) | 16.2 ppb (15) | 1.0 ppb (1) | 57.0 ppb (44) | N/A | 51.0 μg/m3 (46) | 22.0 μg/m3 (71) | 71.0 | |
| July 16, 2019, 9 p.m. | 18.2 ppb (17) | 2.2 ppb (2) | 17.5 ppb (16) | 16.0 ppb (15) | 15.3 ppb (14) | 2.0 ppb (3) | 62.0 ppb (48) | N/A | 46.0 μg/m3 (42) | 21.0 μg/m3 (69) | 69.0 | |
| July 16, 2019, 8 p.m. | 21.0 ppb (19) | 3.5 ppb (3) | 20.3 ppb (19) | 18.0 ppb (17) | 16.5 ppb (15) | 2.0 ppb (3) | 54.0 ppb (42) | N/A | 51.0 μg/m3 (46) | 17.0 μg/m3 (61) | 61.0 | |
| July 16, 2019, 7 p.m. | 27.0 ppb (25) | 5.5 ppb (5) | 25.9 ppb (24) | 22.0 ppb (20) | 20.7 ppb (19) | 2.0 ppb (3) | 47.0 ppb (36) | N/A | 51.0 μg/m3 (46) | 22.0 μg/m3 (71) | 71.0 | |
| July 16, 2019, 6 p.m. | 39.1 ppb (36) | 10.0 ppb (9) | 35.3 ppb (33) | 29.0 ppb (27) | 26.1 ppb (24) | 1.0 ppb (1) | 38.0 ppb (29) | N/A | 52.0 μg/m3 (47) | 31.0 μg/m3 (90) | 90.0 | |
| July 16, 2019, 5 p.m. | 48.5 ppb (45) | 16.1 ppb (15) | 45.0 ppb (42) | 32.0 ppb (30) | 29.6 ppb (27) | 1.0 ppb (1) | 27.0 ppb (21) | N/A | 52.0 μg/m3 (47) | 33.0 μg/m3 (95) | 95.0 | |
| July 16, 2019, 4 p.m. | 84.0 ppb (82) | 35.8 ppb (33) | 81.8 ppb (80) | 48.0 ppb (44) | 43.4 ppb (40) | 1.0 ppb (1) | 15.0 ppb (12) | N/A | 72.0 μg/m3 (58) | 31.0 μg/m3 (90) | 90.0 | |
| July 16, 2019, 3 p.m. | 114.3 ppb (103) | 69.2 ppb (66) | 106.4 ppb (101) | 45.0 ppb (42) | 38.0 ppb (35) | 1.0 ppb (1) | 6.0 ppb (5) | N/A | 71.0 μg/m3 (58) | 33.0 μg/m3 (95) | 103.0 | |
| July 16, 2019, 2 p.m. | 106.6 ppb (101) | 71.6 ppb (69) | 96.7 ppb (95) | 35.0 ppb (32) | 24.9 ppb (23) | 1.0 ppb (1) | 4.0 ppb (3) | N/A | 84.0 μg/m3 (64) | 28.0 μg/m3 (84) | 101.0 | |
| July 16, 2019, 1 p.m. | 94.3 ppb (93) | 67.0 ppb (64) | 78.7 ppb (76) | 27.0 ppb (25) | 11.1 ppb (10) | 1.0 ppb (1) | 2.0 ppb (2) | N/A | 44.0 μg/m3 (40) | 25.0 μg/m3 (78) | 93.0 | |
| July 16, 2019, noon | 62.6 ppb (59) | 37.1 ppb (34) | 54.6 ppb (51) | 26.0 ppb (24) | 19.8 ppb (18) | 0.0 ppb (0) | 2.0 ppb (2) | N/A | 35.0 μg/m3 (32) | 18.0 μg/m3 (63) | 63.0 | |
| July 16, 2019, 11 a.m. | 52.2 ppb (48) | 27.0 ppb (25) | 45.3 ppb (42) | 25.0 ppb (23) | 17.0 ppb (16) | 0.0 ppb (0) | 2.0 ppb (2) | N/A | 35.0 μg/m3 (32) | 18.0 μg/m3 (63) | 63.0 | |
| July 16, 2019, 10 a.m. | 42.1 ppb (39) | 14.6 ppb (14) | 36.0 ppb (33) | 28.0 ppb (26) | 26.4 ppb (24) | 0.0 ppb (0) | 2.0 ppb (2) | N/A | 39.0 μg/m3 (35) | 13.0 μg/m3 (52) | 52.0 | |
| July 16, 2019, 9 a.m. | 39.7 ppb (37) | 9.1 ppb (8) | 34.4 ppb (32) | 31.0 ppb (29) | 25.8 ppb (24) | 0.0 ppb (0) | 2.0 ppb (2) | N/A | 35.0 μg/m3 (32) | 19.0 μg/m3 (65) | 65.0 | |
| July 16, 2019, 8 a.m. | 40.9 ppb (38) | 9.7 ppb (9) | 38.8 ppb (36) | 31.0 ppb (29) | 31.5 ppb (29) | 0.0 ppb (0) | 2.0 ppb (2) | N/A | 43.0 μg/m3 (39) | 22.0 μg/m3 (71) | 71.0 | |
| July 16, 2019, 7 a.m. | 39.2 ppb (36) | 6.4 ppb (6) | 37.2 ppb (34) | 33.0 ppb (31) | 32.5 ppb (30) | 0.0 ppb (0) | 2.0 ppb (2) | N/A | 37.0 μg/m3 (34) | 17.0 μg/m3 (61) | 61.0 | |
| July 16, 2019, 6 a.m. | 45.3 ppb (42) | 13.0 ppb (12) | 40.5 ppb (38) | 32.0 ppb (30) | 30.9 ppb (29) | 0.0 ppb (0) | 2.0 ppb (2) | N/A | 26.0 μg/m3 (24) | 17.0 μg/m3 (61) | 61.0 | |
| July 16, 2019, 5 a.m. | 23.0 ppb (21) | 1.6 ppb (1) | 23.4 ppb (22) | 21.0 ppb (19) | 22.6 ppb (21) | 0.0 ppb (0) | 12.0 ppb (9) | N/A | 24.0 μg/m3 (22) | 14.0 μg/m3 (54) | 54.0 | |
| July 16, 2019, 4 a.m. | 15.8 ppb (15) | 0.9 ppb (1) | 14.0 ppb (13) | 15.0 ppb (14) | 13.9 ppb (13) | 0.0 ppb (0) | 20.0 ppb (15) | N/A | 20.0 μg/m3 (18) | 9.0 μg/m3 (38) | 38.0 | |
| July 16, 2019, 3 a.m. | 13.3 ppb (12) | 0.6 ppb (1) | 11.4 ppb (11) | 13.0 ppb (12) | 11.3 ppb (10) | 0.0 ppb (0) | 24.0 ppb (18) | N/A | 22.0 μg/m3 (20) | 12.0 μg/m3 (50) | 50.0 | |
| July 16, 2019, 2 a.m. | 11.9 ppb (11) | 0.7 ppb (1) | 10.1 ppb (9) | 11.0 ppb (10) | 9.5 ppb (9) | 0.0 ppb (0) | 30.0 ppb (23) | N/A | 25.0 μg/m3 (23) | 12.0 μg/m3 (50) | 50.0 | |
| July 16, 2019, 1 a.m. | 15.5 ppb (14) | 1.7 ppb (2) | 13.6 ppb (13) | 14.0 ppb (13) | 11.6 ppb (11) | 0.0 ppb (0) | 38.0 ppb (29) | N/A | 27.0 μg/m3 (25) | 16.0 μg/m3 (59) | 59.0 | |
| July 16, 2019, midnight | 15.2 ppb (14) | 2.0 ppb (2) | 13.9 ppb (13) | 13.0 ppb (12) | 11.7 ppb (11) | 0.0 ppb (0) | 46.0 ppb (35) | N/A | 25.0 μg/m3 (23) | 16.0 μg/m3 (59) | 59.0 | |
| July 15, 2019, 11 p.m. | 12.0 ppb (11) | 1.6 ppb (1) | 11.2 ppb (10) | 10.0 ppb (9) | 9.5 ppb (9) | 0.0 ppb (0) | 51.0 ppb (39) | N/A | 27.0 μg/m3 (25) | 13.0 μg/m3 (52) | 52.0 | |
| July 15, 2019, 10 p.m. | 12.9 ppb (12) | 1.5 ppb (1) | 13.1 ppb (12) | 11.0 ppb (10) | 11.4 ppb (11) | 1.0 ppb (1) | 60.0 ppb (46) | N/A | 28.0 μg/m3 (25) | 19.0 μg/m3 (65) | 65.0 | |
| July 15, 2019, 9 p.m. | 17.8 ppb (16) | 2.4 ppb (2) | 17.7 ppb (16) | 15.0 ppb (14) | 15.3 ppb (14) | 1.0 ppb (1) | 60.0 ppb (46) | N/A | 41.0 μg/m3 (37) | 26.0 μg/m3 (80) | 80.0 | |
| July 15, 2019, 8 p.m. | 17.7 ppb (16) | 2.4 ppb (2) | 18.5 ppb (17) | 15.0 ppb (14) | 16.1 ppb (15) | 1.0 ppb (1) | 58.0 ppb (45) | N/A | 44.0 μg/m3 (40) | 27.0 μg/m3 (82) | 82.0 | |
| July 15, 2019, 7 p.m. | 27.2 ppb (25) | 4.9 ppb (5) | 28.1 ppb (26) | 22.0 ppb (20) | 23.2 ppb (21) | 1.0 ppb (1) | 48.0 ppb (37) | N/A | 64.0 μg/m3 (54) | 32.0 μg/m3 (93) | 93.0 | |
| July 15, 2019, 6 p.m. | 27.0 ppb (25) | 5.1 ppb (5) | 28.1 ppb (26) | 22.0 ppb (20) | 23.1 ppb (21) | 0.0 ppb (0) | 48.0 ppb (37) | N/A | 58.0 μg/m3 (52) | 34.0 μg/m3 (97) | 97.0 | |
| July 15, 2019, 5 p.m. | 48.5 ppb (45) | 16.7 ppb (15) | 48.3 ppb (45) | 32.0 ppb (30) | 31.4 ppb (29) | 0.0 ppb (0) | 25.0 ppb (19) | N/A | 59.0 μg/m3 (52) | 37.0 μg/m3 (104) | 104.0 | |
| July 15, 2019, 4 p.m. | 58.0 ppb (54) | 26.8 ppb (25) | 55.9 ppb (52) | 31.0 ppb (29) | 28.8 ppb (27) | 1.0 ppb (1) | 15.0 ppb (12) | N/A | 61.0 μg/m3 (53) | 35.0 μg/m3 (99) | 99.0 | |
| July 15, 2019, 3 p.m. | 59.0 ppb (55) | 31.8 ppb (29) | 55.4 ppb (51) | 27.0 ppb (25) | 24.1 ppb (22) | 1.0 ppb (1) | 9.0 ppb (7) | N/A | 52.0 μg/m3 (47) | 37.0 μg/m3 (104) | 104.0 | |
| July 15, 2019, 2 p.m. | 46.4 ppb (43) | 22.6 ppb (21) | 41.5 ppb (38) | 24.0 ppb (22) | 19.9 ppb (18) | 1.0 ppb (1) | 7.0 ppb (5) | N/A | 45.0 μg/m3 (41) | 31.0 μg/m3 (90) | 90.0 | |
| July 15, 2019, 1 p.m. | 59.7 ppb (56) | 32.5 ppb (30) | 50.3 ppb (47) | 27.0 ppb (25) | 17.2 ppb (16) | 0.0 ppb (0) | 3.0 ppb (2) | N/A | 45.0 μg/m3 (41) | 29.0 μg/m3 (86) | 86.0 | |
| July 15, 2019, noon | 29.5 ppb (27) | 10.1 ppb (9) | 24.6 ppb (23) | 19.0 ppb (18) | 14.8 ppb (14) | 0.0 ppb (0) | 5.0 ppb (4) | N/A | 25.0 μg/m3 (23) | 19.0 μg/m3 (65) | 65.0 | |
| July 15, 2019, 11 a.m. | 12.1 ppb (11) | 1.5 ppb (1) | 9.1 ppb (8) | 11.0 ppb (10) | 8.7 ppb (8) | 0.0 ppb (0) | 13.0 ppb (10) | N/A | 24.0 μg/m3 (22) | 11.0 μg/m3 (46) | 46.0 | |
| July 15, 2019, 10 a.m. | 15.1 ppb (14) | 2.2 ppb (2) | 13.0 ppb (12) | 13.0 ppb (12) | 11.9 ppb (11) | 0.0 ppb (0) | 11.0 ppb (8) | N/A | 18.0 μg/m3 (16) | 16.0 μg/m3 (59) | 59.0 | |
| July 15, 2019, 9 a.m. | 17.2 ppb (16) | 1.8 ppb (2) | 10.8 ppb (10) | 15.0 ppb (14) | 10.4 ppb (10) | 0.0 ppb (0) | 11.0 ppb (8) | N/A | 23.0 μg/m3 (21) | 15.0 μg/m3 (56) | 56.0 | |
| July 15, 2019, 8 a.m. | 24.8 ppb (23) | 1.6 ppb (1) | 21.4 ppb (20) | 23.0 ppb (21) | 21.2 ppb (20) | 0.0 ppb (0) | 10.0 ppb (8) | N/A | 34.0 μg/m3 (31) | 21.0 μg/m3 (69) | 69.0 | |
| July 15, 2019, 7 a.m. | 20.5 ppb (19) | 1.3 ppb (1) | 19.1 ppb (18) | 19.0 ppb (18) | 18.9 ppb (18) | 0.0 ppb (0) | 15.0 ppb (12) | N/A | 34.0 μg/m3 (31) | 15.0 μg/m3 (56) | 56.0 | |
| July 15, 2019, 6 a.m. | 16.1 ppb (15) | 1.0 ppb (1) | 14.3 ppb (13) | 15.0 ppb (14) | 14.3 ppb (13) | 0.0 ppb (0) | 18.0 ppb (14) | N/A | 24.0 μg/m3 (22) | 15.0 μg/m3 (56) | 56.0 | |
| July 15, 2019, 5 a.m. | 11.7 ppb (11) | 0.7 ppb (1) | 10.9 ppb (10) | 11.0 ppb (10) | 10.7 ppb (10) | 0.0 ppb (0) | 24.0 ppb (18) | N/A | 22.0 μg/m3 (20) | 12.0 μg/m3 (50) | 50.0 | |
| July 15, 2019, 4 a.m. | 8.7 ppb (8) | 0.5 ppb (0) | 6.8 ppb (6) | 8.0 ppb (7) | 6.7 ppb (6) | 0.0 ppb (0) | 28.0 ppb (22) | N/A | 18.0 μg/m3 (16) | 6.0 μg/m3 (25) | 25.0 | |
| July 15, 2019, 3 a.m. | 9.8 ppb (9) | 0.5 ppb (0) | 7.7 ppb (7) | 9.0 ppb (8) | 7.5 ppb (7) | 0.0 ppb (0) | 30.0 ppb (23) | N/A | 14.0 μg/m3 (13) | 7.0 μg/m3 (29) | 29.0 | |
| July 15, 2019, 2 a.m. | 7.9 ppb (7) | 0.4 ppb (0) | 5.9 ppb (5) | 7.0 ppb (6) | 5.6 ppb (5) | 0.0 ppb (0) | 31.0 ppb (24) | N/A | 23.0 μg/m3 (21) | 11.0 μg/m3 (46) | 46.0 | |
| July 15, 2019, 1 a.m. | 6.3 ppb (6) | 0.6 ppb (1) | 3.8 ppb (4) | 6.0 ppb (6) | 3.2 ppb (3) | 0.0 ppb (0) | 41.0 ppb (32) | N/A | 22.0 μg/m3 (20) | 15.0 μg/m3 (56) | 56.0 | |
| July 15, 2019, midnight | 5.9 ppb (5) | 0.7 ppb (1) | 3.1 ppb (3) | 5.0 ppb (5) | 2.4 ppb (2) | 0.0 ppb (0) | 44.0 ppb (34) | N/A | 25.0 μg/m3 (23) | 15.0 μg/m3 (56) | 56.0 | |
| July 14, 2019, 11 p.m. | 5.4 ppb (5) | 0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 51.0 ppb (39) | N/A | 28.0 μg/m3 (25) | 19.0 μg/m3 (65) | 65.0 | |
| July 14, 2019, 10 p.m. | 6.9 ppb (6) | 0.5 ppb (0) | 7.2 ppb (7) | 6.0 ppb (6) | 6.7 ppb (6) | 0.0 ppb (0) | 64.0 ppb (49) | N/A | 43.0 μg/m3 (39) | 29.0 μg/m3 (86) | 86.0 | |
| July 14, 2019, 9 p.m. | 7.0 ppb (6) | 0.5 ppb (0) | 7.2 ppb (7) | 6.0 ppb (6) | 6.8 ppb (6) | 0.0 ppb (0) | 65.0 ppb (50) | N/A | 45.0 μg/m3 (41) | 27.0 μg/m3 (82) | 82.0 | |
| July 14, 2019, 8 p.m. | 7.2 ppb (7) | 0.6 ppb (1) | 7.5 ppb (7) | 7.0 ppb (6) | 7.0 ppb (6) | 0.0 ppb (0) | 62.0 ppb (48) | N/A | 46.0 μg/m3 (42) | 27.0 μg/m3 (82) | 82.0 | |
| July 14, 2019, 7 p.m. | 9.3 ppb (9) | 0.9 ppb (1) | 10.2 ppb (9) | 8.0 ppb (7) | 9.4 ppb (9) | 0.0 ppb (0) | 64.0 ppb (49) | N/A | 45.0 μg/m3 (41) | 23.0 μg/m3 (73) | 73.0 | |
| July 14, 2019, 6 p.m. | 10.6 ppb (10) | 1.2 ppb (1) | 11.5 ppb (11) | 9.0 ppb (8) | 10.6 ppb (10) | 0.0 ppb (0) | 61.0 ppb (47) | N/A | 45.0 μg/m3 (41) | 26.0 μg/m3 (80) | 80.0 | |
| July 14, 2019, 5 p.m. | 16.5 ppb (15) | 3.3 ppb (3) | 16.9 ppb (16) | 13.0 ppb (12) | 13.9 ppb (13) | 0.0 ppb (0) | 43.0 ppb (33) | N/A | 48.0 μg/m3 (44) | 33.0 μg/m3 (95) | 95.0 | |
| July 14, 2019, 4 p.m. | 17.3 ppb (16) | 4.6 ppb (4) | 17.4 ppb (16) | 13.0 ppb (12) | 13.0 ppb (12) | 0.0 ppb (0) | 30.0 ppb (23) | N/A | 38.0 μg/m3 (35) | 28.0 μg/m3 (84) | 84.0 | |
| July 14, 2019, 3 p.m. | 13.0 ppb (12) | 3.9 ppb (4) | 12.6 ppb (12) | 9.0 ppb (8) | 9.1 ppb (8) | 0.0 ppb (0) | 23.0 ppb (18) | N/A | 33.0 μg/m3 (30) | 26.0 μg/m3 (80) | 80.0 | |
| July 14, 2019, 2 p.m. | 11.2 ppb (10) | 3.1 ppb (3) | 10.0 ppb (9) | 8.0 ppb (7) | 7.5 ppb (7) | 0.0 ppb (0) | 18.0 ppb (14) | N/A | 32.0 μg/m3 (29) | 23.0 μg/m3 (73) | 73.0 | |
| July 14, 2019, 1 p.m. | 9.7 ppb (9) | 1.3 ppb (1) | 7.0 ppb (6) | 8.0 ppb (7) | 6.4 ppb (6) | 0.0 ppb (0) | 17.0 ppb (13) | N/A | 34.0 μg/m3 (31) | 25.0 μg/m3 (78) | 78.0 | |
| July 14, 2019, noon | 9.1 ppb (8) | 0.9 ppb (1) | 7.4 ppb (7) | 8.0 ppb (7) | 7.3 ppb (7) | 0.0 ppb (0) | 18.0 ppb (14) | N/A | 27.0 μg/m3 (25) | 22.0 μg/m3 (71) | 71.0 | |
| July 14, 2019, 11 a.m. | 9.9 ppb (9) | 1.3 ppb (1) | 6.7 ppb (6) | 9.0 ppb (8) | 6.1 ppb (6) | 0.0 ppb (0) | 18.0 ppb (14) | N/A | 31.0 μg/m3 (28) | 19.0 μg/m3 (65) | 65.0 | |
| July 14, 2019, 10 a.m. | 8.6 ppb (8) | 0.8 ppb (1) | 6.5 ppb (6) | 8.0 ppb (7) | 6.5 ppb (6) | 0.0 ppb (0) | 20.0 ppb (15) | N/A | 25.0 μg/m3 (23) | 19.0 μg/m3 (65) | 65.0 | |
| July 14, 2019, 9 a.m. | 9.3 ppb (9) | 1.3 ppb (1) | 7.6 ppb (7) | 8.0 ppb (7) | 6.7 ppb (6) | 0.0 ppb (0) | 20.0 ppb (15) | N/A | 27.0 μg/m3 (25) | 21.0 μg/m3 (69) | 69.0 | |
| July 14, 2019, 8 a.m. | 10.3 ppb (10) | 0.9 ppb (1) | 9.8 ppb (9) | 9.0 ppb (8) | 9.6 ppb (9) | 0.0 ppb (0) | 19.0 ppb (15) | N/A | 31.0 μg/m3 (28) | 23.0 μg/m3 (73) | 73.0 | |
| July 14, 2019, 7 a.m. | 15.1 ppb (14) | 1.1 ppb (1) | 13.4 ppb (12) | 14.0 ppb (13) | 13.2 ppb (12) | 0.0 ppb (0) | 13.0 ppb (10) | N/A | 36.0 μg/m3 (33) | 19.0 μg/m3 (65) | 65.0 | |
| July 14, 2019, 6 a.m. | 16.7 ppb (15) | 1.1 ppb (1) | 14.8 ppb (14) | 16.0 ppb (15) | 14.6 ppb (14) | 0.0 ppb (0) | 15.0 ppb (12) | N/A | 30.0 μg/m3 (27) | 17.0 μg/m3 (61) | 61.0 | |
| July 14, 2019, 5 a.m. | 9.5 ppb (9) | 0.5 ppb (0) | 9.4 ppb (9) | 9.0 ppb (8) | 8.3 ppb (8) | 0.0 ppb (0) | 26.0 ppb (20) | N/A | 30.0 μg/m3 (27) | 15.0 μg/m3 (56) | 56.0 | |
| July 14, 2019, 4 a.m. | 8.3 ppb (8) | 0.4 ppb (0) | 6.8 ppb (6) | 8.0 ppb (7) | 6.7 ppb (6) | 0.0 ppb (0) | 30.0 ppb (23) | N/A | 32.0 μg/m3 (29) | 18.0 μg/m3 (63) | 63.0 | |
| July 14, 2019, 3 a.m. | 8.4 ppb (8) | 0.3 ppb (0) | 7.0 ppb (6) | 8.0 ppb (7) | 7.0 ppb (6) | 0.0 ppb (0) | 34.0 ppb (26) | N/A | 32.0 μg/m3 (29) | 19.0 μg/m3 (65) | 65.0 | |
| July 14, 2019, 2 a.m. | 10.7 ppb (10) | 0.4 ppb (0) | 9.8 ppb (9) | 10.0 ppb (9) | 9.5 ppb (9) | 0.0 ppb (0) | 44.0 ppb (34) | N/A | 37.0 μg/m3 (34) | 16.0 μg/m3 (59) | 59.0 | |
| July 14, 2019, 1 a.m. | 10.6 ppb (10) | 0.8 ppb (1) | 9.7 ppb (9) | 10.0 ppb (9) | 9.0 ppb (8) | 0.0 ppb (0) | 54.0 ppb (42) | N/A | 30.0 μg/m3 (27) | 16.0 μg/m3 (59) | 59.0 | |
| July 14, 2019, midnight | 10.2 ppb (9) | 1.0 ppb (1) | 9.7 ppb (9) | 9.0 ppb (8) | 8.7 ppb (8) | 0.0 ppb (0) | 55.0 ppb (42) | N/A | 31.0 μg/m3 (28) | 19.0 μg/m3 (65) | 65.0 | |
| July 13, 2019, 11 p.m. | 13.6 ppb (13) | 1.7 ppb (2) | 13.3 ppb (12) | 12.0 ppb (11) | 11.5 ppb (11) | 1.0 ppb (1) | 54.0 ppb (42) | N/A | 35.0 μg/m3 (32) | 19.0 μg/m3 (65) | 65.0 | |
| July 13, 2019, 10 p.m. | 17.3 ppb (16) | 2.0 ppb (2) | 17.2 ppb (16) | 15.0 ppb (14) | 15.1 ppb (14) | 1.0 ppb (1) | 61.0 ppb (47) | N/A | 40.0 μg/m3 (36) | 25.0 μg/m3 (78) | 78.0 | |
| July 13, 2019, 9 p.m. | 16.8 ppb (16) | 1.9 ppb (2) | 17.2 ppb (16) | 15.0 ppb (14) | 15.3 ppb (14) | 1.0 ppb (1) | 64.0 ppb (49) | N/A | 50.0 μg/m3 (45) | 28.0 μg/m3 (84) | 84.0 | |
| July 13, 2019, 8 p.m. | 12.3 ppb (11) | 0.9 ppb (1) | 13.2 ppb (12) | 11.0 ppb (10) | 12.5 ppb (12) | 1.0 ppb (1) | 83.0 ppb (65) | N/A | 48.0 μg/m3 (44) | 28.0 μg/m3 (84) | 84.0 | |
| July 13, 2019, 7 p.m. | 14.3 ppb (13) | 1.6 ppb (1) | 14.8 ppb (14) | 13.0 ppb (12) | 13.5 ppb (12) | 1.0 ppb (1) | 71.0 ppb (55) | N/A | 51.0 μg/m3 (46) | 27.0 μg/m3 (82) | 82.0 | |
| July 13, 2019, 6 p.m. | 20.5 ppb (19) | 4.2 ppb (4) | 19.9 ppb (18) | 16.0 ppb (15) | 16.0 ppb (15) | 1.0 ppb (1) | 48.0 ppb (37) | N/A | 52.0 μg/m3 (47) | 30.0 μg/m3 (88) | 88.0 | |
| July 13, 2019, 5 p.m. | 26.9 ppb (25) | 8.2 ppb (8) | 25.7 ppb (24) | 19.0 ppb (18) | 17.9 ppb (17) | 1.0 ppb (1) | 30.0 ppb (23) | N/A | 49.0 μg/m3 (45) | 29.0 μg/m3 (86) | 86.0 | |
| July 13, 2019, 4 p.m. | 34.6 ppb (32) | 12.9 ppb (12) | 31.9 ppb (30) | 22.0 ppb (20) | 19.1 ppb (18) | 1.0 ppb (1) | 20.0 ppb (15) | N/A | 47.0 μg/m3 (43) | 21.0 μg/m3 (69) | 69.0 | |
| July 13, 2019, 3 p.m. | 52.2 ppb (48) | 26.1 ppb (24) | 47.3 ppb (44) | 26.0 ppb (24) | 21.4 ppb (20) | 1.0 ppb (1) | 11.0 ppb (8) | N/A | 42.0 μg/m3 (38) | 25.0 μg/m3 (78) | 78.0 | |
| July 13, 2019, 2 p.m. | 56.0 ppb (52) | 30.5 ppb (28) | 45.7 ppb (42) | 26.0 ppb (24) | 19.2 ppb (18) | 1.0 ppb (1) | 7.0 ppb (5) | N/A | 45.0 μg/m3 (41) | 23.0 μg/m3 (73) | 73.0 | |
| July 13, 2019, 1 p.m. | 50.2 ppb (46) | 28.9 ppb (27) | 37.8 ppb (35) | 21.0 ppb (19) | 14.1 ppb (13) | 1.0 ppb (1) | 3.0 ppb (2) | N/A | 33.0 μg/m3 (30) | 18.0 μg/m3 (63) | 63.0 | |
| July 13, 2019, noon | 48.6 ppb (45) | 26.5 ppb (25) | 42.8 ppb (40) | 22.0 ppb (20) | 19.6 ppb (18) | 1.0 ppb (1) | 2.0 ppb (2) | N/A | 27.0 μg/m3 (25) | 15.0 μg/m3 (56) | 56.0 | |
| July 13, 2019, 11 a.m. | 43.6 ppb (40) | 15.6 ppb (14) | 37.0 ppb (34) | 28.0 ppb (26) | 20.6 ppb (19) | 1.0 ppb (1) | 2.0 ppb (2) | N/A | 37.0 μg/m3 (34) | 16.0 μg/m3 (59) | 59.0 | |
| July 13, 2019, 10 a.m. | 36.5 ppb (34) | 11.8 ppb (11) | 32.0 ppb (30) | 25.0 ppb (23) | 22.8 ppb (21) | 0.0 ppb (0) | 2.0 ppb (2) | N/A | 36.0 μg/m3 (33) | 17.0 μg/m3 (61) | 61.0 | |
| July 13, 2019, 9 a.m. | 22.9 ppb (21) | 3.9 ppb (4) | 19.9 ppb (18) | 19.0 ppb (18) | 16.8 ppb (16) | 0.0 ppb (0) | 4.0 ppb (3) | N/A | 28.0 μg/m3 (25) | 16.0 μg/m3 (59) | 59.0 | |
| July 13, 2019, 8 a.m. | 22.9 ppb (21) | 3.0 ppb (3) | 24.2 ppb (22) | 20.0 ppb (19) | 22.2 ppb (21) | 0.0 ppb (0) | 6.0 ppb (5) | N/A | 37.0 μg/m3 (34) | 14.0 μg/m3 (54) | 54.0 | |
| July 13, 2019, 7 a.m. | 32.6 ppb (30) | 6.5 ppb (6) | 31.0 ppb (29) | 26.0 ppb (24) | 26.4 ppb (24) | 0.0 ppb (0) | 4.0 ppb (3) | N/A | 38.0 μg/m3 (35) | 15.0 μg/m3 (56) | 56.0 | |
| July 13, 2019, 6 a.m. | 23.4 ppb (22) | 2.8 ppb (3) | 21.6 ppb (20) | 21.0 ppb (19) | 20.0 ppb (19) | 0.0 ppb (0) | 7.0 ppb (5) | N/A | 55.0 μg/m3 (50) | 19.0 μg/m3 (65) | 65.0 | |
| July 13, 2019, 5 a.m. | 20.1 ppb (19) | 1.7 ppb (2) | 19.5 ppb (18) | 18.0 ppb (17) | 18.6 ppb (17) | 0.0 ppb (0) | 10.0 ppb (8) | N/A | 34.0 μg/m3 (31) | 10.0 μg/m3 (42) | 42.0 | |
| July 13, 2019, 4 a.m. | 12.9 ppb (12) | 0.9 ppb (1) | 11.6 ppb (11) | 12.0 ppb (11) | 11.3 ppb (10) | 0.0 ppb (0) | 17.0 ppb (13) | N/A | 22.0 μg/m3 (20) | 8.0 μg/m3 (33) | 33.0 | |
| July 13, 2019, 3 a.m. | 9.9 ppb (9) | 0.5 ppb (0) | 8.7 ppb (8) | 9.0 ppb (8) | 8.6 ppb (8) | 0.0 ppb (0) | 23.0 ppb (18) | N/A | 27.0 μg/m3 (25) | 10.0 μg/m3 (42) | 42.0 | |
| July 13, 2019, 2 a.m. | 14.3 ppb (13) | 0.9 ppb (1) | 13.1 ppb (12) | 13.0 ppb (12) | 12.4 ppb (11) | 0.0 ppb (0) | 31.0 ppb (24) | N/A | 26.0 μg/m3 (24) | 16.0 μg/m3 (59) | 59.0 | |
| July 13, 2019, 1 a.m. | 9.6 ppb (9) | 0.8 ppb (1) | 8.9 ppb (8) | 9.0 ppb (8) | 8.0 ppb (7) | 0.0 ppb (0) | 46.0 ppb (35) | N/A | 23.0 μg/m3 (21) | 9.0 μg/m3 (38) | 38.0 | |
| July 13, 2019, midnight | 8.1 ppb (8) | 1.0 ppb (1) | 7.7 ppb (7) | 7.0 ppb (6) | 6.6 ppb (6) | 0.0 ppb (0) | 46.0 ppb (35) | N/A | 33.0 μg/m3 (30) | 16.0 μg/m3 (59) | 59.0 | |
| July 12, 2019, 11 p.m. | 9.7 ppb (9) | 1.0 ppb (1) | 9.7 ppb (9) | 9.0 ppb (8) | 8.6 ppb (8) | 0.0 ppb (0) | 58.0 ppb (45) | N/A | 39.0 μg/m3 (35) | 20.0 μg/m3 (67) | 67.0 | |
| July 12, 2019, 10 p.m. | 12.9 ppb (12) | 1.5 ppb (1) | 13.1 ppb (12) | 11.0 ppb (10) | 11.6 ppb (11) | 1.0 ppb (1) | 62.0 ppb (48) | N/A | 51.0 μg/m3 (46) | 21.0 μg/m3 (69) | 69.0 | |
| July 12, 2019, 9 p.m. | 16.9 ppb (16) | 2.1 ppb (2) | 17.6 ppb (16) | 15.0 ppb (14) | 15.5 ppb (14) | 1.0 ppb (1) | 60.0 ppb (46) | N/A | 54.0 μg/m3 (49) | 32.0 μg/m3 (93) | 93.0 | |
| July 12, 2019, 8 p.m. | 23.7 ppb (22) | 4.2 ppb (4) | 24.2 ppb (22) | 19.0 ppb (18) | 19.9 ppb (18) | 1.0 ppb (1) | 47.0 ppb (36) | N/A | 64.0 μg/m3 (54) | 31.0 μg/m3 (90) | 90.0 | |
| July 12, 2019, 7 p.m. | 28.3 ppb (26) | 4.7 ppb (4) | 27.1 ppb (25) | 24.0 ppb (22) | 23.1 ppb (21) | 1.0 ppb (1) | 60.0 ppb (46) | N/A | 56.0 μg/m3 (50) | 27.0 μg/m3 (82) | 82.0 | |
| July 12, 2019, 6 p.m. | 32.6 ppb (30) | 6.9 ppb (6) | 31.7 ppb (29) | 26.0 ppb (24) | 25.5 ppb (24) | 1.0 ppb (1) | 47.0 ppb (36) | N/A | 55.0 μg/m3 (50) | 27.0 μg/m3 (82) | 82.0 | |
| July 12, 2019, 5 p.m. | 56.3 ppb (52) | 20.6 ppb (19) | 51.8 ppb (48) | 36.0 ppb (33) | 32.3 ppb (30) | 1.0 ppb (1) | 25.0 ppb (19) | N/A | 54.0 μg/m3 (49) | 26.0 μg/m3 (80) | 80.0 | |
| July 12, 2019, 4 p.m. | 64.3 ppb (61) | 30.3 ppb (28) | 60.6 ppb (57) | 34.0 ppb (31) | 29.9 ppb (28) | 1.0 ppb (1) | 14.0 ppb (11) | N/A | 61.0 μg/m3 (53) | 33.0 μg/m3 (95) | 95.0 | |
| July 12, 2019, 3 p.m. | 70.5 ppb (68) | 41.6 ppb (39) | 65.0 ppb (62) | 29.0 ppb (27) | 21.5 ppb (20) | 1.0 ppb (1) | 8.0 ppb (6) | N/A | 52.0 μg/m3 (47) | 25.0 μg/m3 (78) | 78.0 | |
| July 12, 2019, 2 p.m. | 64.0 ppb (61) | 39.2 ppb (36) | 57.2 ppb (53) | 25.0 ppb (23) | 17.2 ppb (16) | 1.0 ppb (1) | 6.0 ppb (5) | N/A | 53.0 μg/m3 (48) | 20.0 μg/m3 (67) | 67.0 | |
| July 12, 2019, 1 p.m. | 46.9 ppb (43) | 26.1 ppb (24) | 38.1 ppb (35) | 21.0 ppb (19) | 12.9 ppb (12) | 1.0 ppb (1) | 3.0 ppb (2) | N/A | 32.0 μg/m3 (29) | 21.0 μg/m3 (69) | 69.0 | |
| July 12, 2019, noon | 40.5 ppb (38) | 21.1 ppb (20) | 35.0 ppb (32) | 19.0 ppb (18) | 16.8 ppb (16) | 0.0 ppb (0) | 2.0 ppb (2) | N/A | 32.0 μg/m3 (29) | 16.0 μg/m3 (59) | 59.0 | |
| July 12, 2019, 11 a.m. | 30.1 ppb (28) | 10.2 ppb (9) | 27.0 ppb (25) | 20.0 ppb (19) | 15.8 ppb (15) | 0.0 ppb (0) | 3.0 ppb (2) | N/A | 28.0 μg/m3 (25) | 11.0 μg/m3 (46) | 46.0 | |
| July 12, 2019, 10 a.m. | 26.6 ppb (25) | 6.6 ppb (6) | 22.4 ppb (21) | 20.0 ppb (19) | 19.5 ppb (18) | 1.0 ppb (1) | 4.0 ppb (3) | N/A | 21.0 μg/m3 (19) | 14.0 μg/m3 (54) | 54.0 | |
| July 12, 2019, 9 a.m. | 23.3 ppb (22) | 2.0 ppb (2) | 19.8 ppb (18) | 21.0 ppb (19) | 19.0 ppb (18) | 1.0 ppb (1) | 6.0 ppb (5) | N/A | 20.0 μg/m3 (18) | 11.0 μg/m3 (46) | 46.0 | |
| July 12, 2019, 8 a.m. | 20.4 ppb (19) | 1.6 ppb (1) | 18.0 ppb (17) | 19.0 ppb (18) | 17.8 ppb (16) | 1.0 ppb (1) | 10.0 ppb (8) | N/A | 22.0 μg/m3 (20) | 13.0 μg/m3 (52) | 52.0 | |
| July 12, 2019, 7 a.m. | 20.3 ppb (19) | 1.6 ppb (1) | 19.3 ppb (18) | 19.0 ppb (18) | 18.8 ppb (17) | 1.0 ppb (1) | 11.0 ppb (8) | N/A | 23.0 μg/m3 (21) | 12.0 μg/m3 (50) | 50.0 | |
| July 12, 2019, 6 a.m. | 22.9 ppb (21) | 2.8 ppb (3) | 22.6 ppb (21) | 20.0 ppb (19) | 21.0 ppb (19) | 1.0 ppb (1) | 10.0 ppb (8) | N/A | 24.0 μg/m3 (22) | 12.0 μg/m3 (50) | 50.0 | |
| July 12, 2019, 5 a.m. | 24.7 ppb (23) | 1.7 ppb (2) | 23.7 ppb (22) | 23.0 ppb (21) | 22.9 ppb (21) | 1.0 ppb (1) | 9.0 ppb (7) | N/A | 21.0 μg/m3 (19) | 13.0 μg/m3 (52) | 52.0 | |
| July 12, 2019, 4 a.m. | 14.3 ppb (13) | 1.1 ppb (1) | 12.9 ppb (12) | 13.0 ppb (12) | 12.4 ppb (11) | 0.0 ppb (0) | 19.0 ppb (15) | N/A | 23.0 μg/m3 (21) | 15.0 μg/m3 (56) | 56.0 | |
| July 12, 2019, 3 a.m. | 11.4 ppb (11) | 0.4 ppb (0) | 10.2 ppb (9) | 11.0 ppb (10) | 10.0 ppb (9) | 0.0 ppb (0) | 29.0 ppb (22) | N/A | 26.0 μg/m3 (24) | 16.0 μg/m3 (59) | 59.0 | |
| July 12, 2019, 2 a.m. | 9.3 ppb (9) | 0.3 ppb (0) | 8.7 ppb (8) | 9.0 ppb (8) | 8.4 ppb (8) | 0.0 ppb (0) | 44.0 ppb (34) | N/A | 38.0 μg/m3 (35) | 16.0 μg/m3 (59) | 59.0 | |
| July 12, 2019, 1 a.m. | 9.5 ppb (9) | 0.8 ppb (1) | 8.7 ppb (8) | 9.0 ppb (8) | 7.8 ppb (7) | 0.0 ppb (0) | 47.0 ppb (36) | N/A | 41.0 μg/m3 (37) | 18.0 μg/m3 (63) | 63.0 | |
| July 12, 2019, midnight | 8.9 ppb (8) | 1.0 ppb (1) | 8.3 ppb (8) | 8.0 ppb (7) | 7.2 ppb (7) | 0.0 ppb (0) | 51.0 ppb (39) | N/A | 34.0 μg/m3 (31) | 18.0 μg/m3 (63) | 63.0 | |
| July 11, 2019, 11 p.m. | 8.9 ppb (8) | 1.2 ppb (1) | 8.2 ppb (8) | 8.0 ppb (7) | 6.9 ppb (6) | 1.0 ppb (1) | 49.0 ppb (38) | N/A | 34.0 μg/m3 (31) | 17.0 μg/m3 (61) | 61.0 | |
| July 11, 2019, 10 p.m. | 8.6 ppb (8) | 1.2 ppb (1) | 7.9 ppb (7) | 7.0 ppb (6) | 6.6 ppb (6) | 1.0 ppb (1) | 49.0 ppb (38) | N/A | 43.0 μg/m3 (39) | 21.0 μg/m3 (69) | 69.0 | |
| July 11, 2019, 9 p.m. | 34.5 ppb (32) | 15.3 ppb (14) | 26.8 ppb (25) | 19.0 ppb (18) | 12.7 ppb (12) | 1.0 ppb (1) | 39.0 ppb (30) | N/A | 53.0 μg/m3 (48) | 24.0 μg/m3 (76) | 76.0 | |
| July 11, 2019, 8 p.m. | 20.4 ppb (19) | 4.7 ppb (4) | 17.0 ppb (16) | 16.0 ppb (15) | 13.7 ppb (13) | 1.0 ppb (1) | 45.0 ppb (35) | N/A | 43.0 μg/m3 (39) | 19.0 μg/m3 (65) | 65.0 | |
| July 11, 2019, 7 p.m. | 19.8 ppb (18) | 3.6 ppb (3) | 19.1 ppb (18) | 16.0 ppb (15) | 16.0 ppb (15) | 1.0 ppb (1) | 52.0 ppb (40) | N/A | 44.0 μg/m3 (40) | 18.0 μg/m3 (63) | 63.0 | |
| July 11, 2019, 6 p.m. | 37.4 ppb (35) | 10.0 ppb (9) | 35.0 ppb (32) | 27.0 ppb (25) | 26.0 ppb (24) | 1.0 ppb (1) | 38.0 ppb (29) | N/A | 53.0 μg/m3 (48) | 23.0 μg/m3 (73) | 73.0 | |
| July 11, 2019, 5 p.m. | 59.5 ppb (56) | 22.5 ppb (21) | 56.8 ppb (53) | 37.0 ppb (34) | 33.5 ppb (31) | 1.0 ppb (1) | 21.0 ppb (16) | N/A | 63.0 μg/m3 (54) | 29.0 μg/m3 (86) | 86.0 | |
| July 11, 2019, 4 p.m. | 68.0 ppb (65) | 34.4 ppb (32) | 60.3 ppb (57) | 34.0 ppb (31) | 30.1 ppb (28) | 1.0 ppb (1) | 14.0 ppb (11) | N/A | 61.0 μg/m3 (53) | 28.0 μg/m3 (84) | 84.0 | |
| July 11, 2019, 3 p.m. | 71.7 ppb (69) | 41.2 ppb (38) | 66.3 ppb (63) | 30.0 ppb (28) | 25.4 ppb (24) | 1.0 ppb (1) | 8.0 ppb (6) | N/A | 56.0 μg/m3 (50) | 24.0 μg/m3 (76) | 76.0 | |
| July 11, 2019, 2 p.m. | 67.2 ppb (64) | 41.6 ppb (39) | 61.5 ppb (58) | 26.0 ppb (24) | 19.9 ppb (18) | 1.0 ppb (1) | 5.0 ppb (4) | N/A | 41.0 μg/m3 (37) | 23.0 μg/m3 (73) | 73.0 | |
| July 11, 2019, 1 p.m. | 73.9 ppb (71) | 46.5 ppb (43) | 56.4 ppb (53) | 23.0 ppb (21) | 11.3 ppb (10) | 1.0 ppb (1) | 3.0 ppb (2) | N/A | 41.0 μg/m3 (37) | 17.0 μg/m3 (61) | 71.0 | |
| July 11, 2019, noon | 59.2 ppb (56) | 38.1 ppb (35) | 48.4 ppb (45) | 21.0 ppb (19) | 16.6 ppb (15) | 1.0 ppb (1) | 2.0 ppb (2) | N/A | 28.0 μg/m3 (25) | 11.0 μg/m3 (46) | 56.0 | |
| July 11, 2019, 11 a.m. | 27.9 ppb (26) | 7.2 ppb (7) | 26.5 ppb (25) | 21.0 ppb (19) | 15.9 ppb (15) | 0.0 ppb (0) | 3.0 ppb (2) | N/A | 24.0 μg/m3 (22) | 9.0 μg/m3 (38) | 38.0 | |
| July 11, 2019, 10 a.m. | 24.7 ppb (23) | 3.5 ppb (3) | 23.1 ppb (21) | 21.0 ppb (19) | 20.7 ppb (19) | 1.0 ppb (1) | 4.0 ppb (3) | N/A | 27.0 μg/m3 (25) | 15.0 μg/m3 (56) | 56.0 | |
| July 11, 2019, 9 a.m. | 37.1 ppb (34) | 10.4 ppb (10) | 28.9 ppb (27) | 27.0 ppb (25) | 21.4 ppb (20) | 1.0 ppb (1) | 2.0 ppb (2) | N/A | 23.0 μg/m3 (21) | 15.0 μg/m3 (56) | 56.0 | |
| July 11, 2019, 8 a.m. | 33.6 ppb (31) | 6.9 ppb (6) | 28.7 ppb (27) | 27.0 ppb (25) | 25.1 ppb (23) | 0.0 ppb (0) | 3.0 ppb (2) | N/A | 24.0 μg/m3 (22) | 13.0 μg/m3 (52) | 52.0 |