Mexicali MX, MX: 32.6336, -115.5042
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 15, 2019, 3 p.m. | N/A | 14.7 ppb (14) | N/A | 20.0 ppb (19) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 15, 2019, 2 p.m. | N/A | 43.4 ppb (40) | N/A | 21.0 ppb (19) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 26.0 μg/m3 (80) | 80.0 | |
| July 15, 2019, 1 p.m. | N/A | 28.8 ppb (27) | N/A | 20.0 ppb (19) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 15, 2019, noon | N/A | 15.1 ppb (14) | N/A | 20.0 ppb (19) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 15, 2019, 11 a.m. | N/A | 11.8 ppb (11) | N/A | 20.0 ppb (19) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 15, 2019, 10 a.m. | N/A | 13.5 ppb (12) | N/A | 21.0 ppb (19) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 15, 2019, 9 a.m. | N/A | 16.4 ppb (15) | N/A | 23.0 ppb (21) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 15, 2019, 8 a.m. | N/A | 15.7 ppb (15) | N/A | 21.0 ppb (19) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 15, 2019, 7 a.m. | N/A | 17.4 ppb (16) | N/A | 19.0 ppb (18) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 15, 2019, 6 a.m. | N/A | 25.7 ppb (24) | N/A | 27.0 ppb (25) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 15, 2019, 5 a.m. | N/A | 21.4 ppb (20) | N/A | 24.0 ppb (22) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 15, 2019, 4 a.m. | N/A | 14.5 ppb (13) | N/A | 21.0 ppb (19) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 15, 2019, 3 a.m. | N/A | 13.2 ppb (12) | N/A | 14.0 ppb (13) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 15, 2019, 2 a.m. | N/A | 10.9 ppb (10) | N/A | 11.0 ppb (10) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 15, 2019, 1 a.m. | N/A | 10.0 ppb (9) | N/A | 8.0 ppb (7) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 15, 2019, midnight | N/A | 9.4 ppb (9) | N/A | 8.0 ppb (7) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 14, 2019, 11 p.m. | N/A | 9.5 ppb (9) | N/A | 8.0 ppb (7) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 14, 2019, 10 p.m. | N/A | 9.0 ppb (8) | N/A | 8.0 ppb (7) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 14, 2019, 9 p.m. | N/A | 10.0 ppb (9) | N/A | 9.0 ppb (8) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 14, 2019, 8 p.m. | N/A | 9.1 ppb (8) | N/A | 9.0 ppb (8) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 14, 2019, 7 p.m. | N/A | 9.1 ppb (8) | N/A | 10.0 ppb (9) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 18.0 μg/m3 (63) | 63.0 | |
| July 14, 2019, 6 p.m. | N/A | 10.4 ppb (10) | N/A | 12.0 ppb (11) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 14, 2019, 5 p.m. | N/A | 9.2 ppb (9) | N/A | 9.0 ppb (8) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 14, 2019, 4 p.m. | N/A | 13.3 ppb (12) | N/A | 11.0 ppb (10) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 14, 2019, 3 p.m. | N/A | 12.8 ppb (12) | N/A | 10.0 ppb (9) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 14, 2019, 2 p.m. | N/A | 11.4 ppb (11) | N/A | 10.0 ppb (9) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 14, 2019, 1 p.m. | N/A | 9.6 ppb (9) | N/A | 10.0 ppb (9) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 14, 2019, noon | N/A | 9.5 ppb (9) | N/A | 11.0 ppb (10) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 14, 2019, 11 a.m. | N/A | 9.5 ppb (9) | N/A | 18.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 14, 2019, 10 a.m. | N/A | 8.6 ppb (8) | N/A | 9.0 ppb (8) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 14, 2019, 9 a.m. | N/A | 9.4 ppb (9) | N/A | 9.0 ppb (8) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 14, 2019, 8 a.m. | N/A | 10.1 ppb (9) | N/A | 7.0 ppb (6) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 20.0 μg/m3 (67) | 67.0 | |
| July 14, 2019, 7 a.m. | N/A | 12.4 ppb (11) | N/A | 9.0 ppb (8) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 14, 2019, 6 a.m. | N/A | 15.8 ppb (15) | N/A | 14.0 ppb (13) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 14, 2019, 5 a.m. | N/A | 17.0 ppb (16) | N/A | 17.0 ppb (16) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 14, 2019, 4 a.m. | N/A | 18.2 ppb (17) | N/A | 13.0 ppb (12) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 14, 2019, 3 a.m. | N/A | 18.2 ppb (17) | N/A | 14.0 ppb (13) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 14, 2019, 2 a.m. | N/A | 14.9 ppb (14) | N/A | 11.0 ppb (10) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 14, 2019, 1 a.m. | N/A | 14.0 ppb (13) | N/A | 8.0 ppb (7) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 14, 2019, midnight | N/A | 12.4 ppb (11) | N/A | 8.0 ppb (7) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 13, 2019, 11 p.m. | N/A | 11.9 ppb (11) | N/A | 8.0 ppb (7) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 13, 2019, 10 p.m. | N/A | 11.0 ppb (10) | N/A | 8.0 ppb (7) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 13, 2019, 9 p.m. | N/A | 11.6 ppb (11) | N/A | 7.0 ppb (6) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 23.0 μg/m3 (73) | 73.0 | |
| July 13, 2019, 8 p.m. | N/A | 12.4 ppb (11) | N/A | 7.0 ppb (6) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 13, 2019, 7 p.m. | N/A | 11.1 ppb (10) | N/A | 6.0 ppb (6) | N/A | N/A | 10.0 ppb (8) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 13, 2019, 6 p.m. | N/A | 11.6 ppb (11) | N/A | 6.0 ppb (6) | N/A | N/A | 9.0 ppb (7) | N/A | N/A | 19.0 μg/m3 (65) | 65.0 | |
| July 13, 2019, 5 p.m. | N/A | 11.7 ppb (11) | N/A | 6.0 ppb (6) | N/A | N/A | 7.0 ppb (5) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 13, 2019, 4 p.m. | N/A | 11.3 ppb (10) | N/A | 6.0 ppb (6) | N/A | N/A | 4.0 ppb (3) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 13, 2019, 3 p.m. | N/A | 10.8 ppb (10) | N/A | 7.0 ppb (6) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 13, 2019, 2 p.m. | N/A | 11.4 ppb (11) | N/A | 10.0 ppb (9) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 13, 2019, 1 p.m. | N/A | 7.4 ppb (7) | N/A | 4.0 ppb (4) | N/A | N/A | 4.0 ppb (3) | N/A | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 13, 2019, noon | N/A | 6.6 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | 7.0 ppb (5) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 13, 2019, 11 a.m. | N/A | 7.8 ppb (7) | N/A | 7.0 ppb (6) | N/A | N/A | 6.0 ppb (5) | N/A | N/A | 26.0 μg/m3 (80) | 80.0 | |
| July 13, 2019, 10 a.m. | N/A | 6.4 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 16.0 ppb (12) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 13, 2019, 9 a.m. | N/A | 6.8 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 13, 2019, 8 a.m. | N/A | 6.6 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 17.0 ppb (13) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 13, 2019, 7 a.m. | N/A | 6.9 ppb (6) | N/A | 17.0 ppb (16) | N/A | N/A | 9.0 ppb (7) | N/A | N/A | 30.0 μg/m3 (88) | 88.0 | |
| July 13, 2019, 6 a.m. | N/A | 6.7 ppb (6) | N/A | 24.0 ppb (22) | N/A | N/A | 7.0 ppb (5) | N/A | N/A | 47.0 μg/m3 (129) | 129.0 | |
| July 13, 2019, 5 a.m. | N/A | 8.2 ppb (8) | N/A | 33.0 ppb (31) | N/A | N/A | 4.0 ppb (3) | N/A | N/A | 40.0 μg/m3 (111) | 111.0 | |
| July 13, 2019, 4 a.m. | N/A | 12.1 ppb (11) | N/A | 42.0 ppb (39) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 18.0 μg/m3 (63) | 63.0 | |
| July 13, 2019, 3 a.m. | N/A | 8.7 ppb (8) | N/A | 25.0 ppb (23) | N/A | N/A | 19.0 ppb (15) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 13, 2019, 2 a.m. | N/A | 7.8 ppb (7) | N/A | 11.0 ppb (10) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 13, 2019, 1 a.m. | N/A | 7.2 ppb (7) | N/A | 6.0 ppb (6) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 13, 2019, midnight | N/A | 7.0 ppb (6) | N/A | 6.0 ppb (6) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 6.0 μg/m3 (25) | 28.0 | |
| July 12, 2019, 11 p.m. | N/A | 7.6 ppb (7) | N/A | 8.0 ppb (7) | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 12, 2019, 10 p.m. | N/A | 6.6 ppb (6) | N/A | 6.0 ppb (6) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 12, 2019, 9 p.m. | N/A | 6.8 ppb (6) | N/A | 7.0 ppb (6) | N/A | N/A | 41.0 ppb (32) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 12, 2019, 8 p.m. | N/A | 7.1 ppb (7) | N/A | 7.0 ppb (6) | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 12, 2019, 7 p.m. | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 26.0 ppb (20) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 12, 2019, 6 p.m. | N/A | 6.6 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 16.0 ppb (12) | 0.14 ppb (2) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 12, 2019, 5 p.m. | N/A | 7.7 ppb (7) | N/A | 10.0 ppb (9) | N/A | N/A | 28.0 ppb (22) | -0.01 ppb (0) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 12, 2019, 4 p.m. | N/A | 7.7 ppb (7) | N/A | 11.0 ppb (10) | N/A | N/A | 24.0 ppb (18) | 0.0 ppb (0) | N/A | 20.0 μg/m3 (67) | 67.0 | |
| July 12, 2019, 3 p.m. | N/A | 12.2 ppb (11) | N/A | 23.0 ppb (21) | N/A | N/A | 12.0 ppb (9) | 0.18 ppb (2) | N/A | 44.0 μg/m3 (121) | 121.0 | |
| July 12, 2019, 2 p.m. | N/A | 41.2 ppb (38) | N/A | 33.0 ppb (31) | N/A | N/A | 0.0 ppb (0) | 0.48 ppb (5) | N/A | 66.0 μg/m3 (156) | 156.0 | |
| July 12, 2019, 1 p.m. | N/A | 37.9 ppb (35) | N/A | 30.0 ppb (28) | N/A | N/A | -1.0 ppb (0) | 0.5 ppb (6) | N/A | 55.0 μg/m3 (149) | 149.0 | |
| July 12, 2019, noon | N/A | 12.3 ppb (11) | N/A | 31.0 ppb (29) | N/A | N/A | 0.0 ppb (0) | 0.3 ppb (3) | N/A | 43.0 μg/m3 (119) | 119.0 | |
| July 12, 2019, 11 a.m. | N/A | 9.3 ppb (9) | N/A | 30.0 ppb (28) | N/A | N/A | 1.0 ppb (1) | 0.37 ppb (4) | N/A | 31.0 μg/m3 (90) | 90.0 | |
| July 12, 2019, 10 a.m. | N/A | 14.3 ppb (13) | N/A | 32.0 ppb (30) | N/A | N/A | 0.0 ppb (0) | 0.33 ppb (4) | N/A | 25.0 μg/m3 (78) | 78.0 | |
| July 12, 2019, 9 a.m. | N/A | 13.8 ppb (13) | N/A | 33.0 ppb (31) | N/A | N/A | 0.0 ppb (0) | 0.43 ppb (5) | N/A | 35.0 μg/m3 (99) | 99.0 | |
| July 12, 2019, 8 a.m. | N/A | 19.5 ppb (18) | N/A | 38.0 ppb (35) | N/A | N/A | 0.0 ppb (0) | 0.66 ppb (7) | N/A | 37.0 μg/m3 (104) | 104.0 | |
| July 12, 2019, 7 a.m. | N/A | 29.0 ppb (27) | N/A | 43.0 ppb (40) | N/A | N/A | 0.0 ppb (0) | 0.71 ppb (8) | N/A | 32.0 μg/m3 (93) | 93.0 | |
| July 12, 2019, 6 a.m. | N/A | 11.8 ppb (11) | N/A | 31.0 ppb (29) | N/A | N/A | 4.0 ppb (3) | 0.49 ppb (5) | N/A | 27.0 μg/m3 (82) | 82.0 | |
| July 12, 2019, 5 a.m. | N/A | 9.8 ppb (9) | N/A | 28.0 ppb (26) | N/A | N/A | 8.0 ppb (6) | 0.36 ppb (4) | N/A | 20.0 μg/m3 (67) | 67.0 | |
| July 12, 2019, 4 a.m. | N/A | 15.2 ppb (14) | N/A | 26.0 ppb (24) | N/A | N/A | 9.0 ppb (7) | 0.57 ppb (6) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 12, 2019, 3 a.m. | N/A | 7.2 ppb (7) | N/A | 10.0 ppb (9) | N/A | N/A | 15.0 ppb (12) | 0.19 ppb (2) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 12, 2019, 2 a.m. | N/A | 7.4 ppb (7) | N/A | 8.0 ppb (7) | N/A | N/A | 18.0 ppb (14) | 0.23 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 12, 2019, 1 a.m. | N/A | 12.5 ppb (12) | N/A | 11.0 ppb (10) | N/A | N/A | 18.0 ppb (14) | 0.25 ppb (3) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 12, 2019, midnight | N/A | 14.0 ppb (13) | N/A | 14.0 ppb (13) | N/A | N/A | 16.0 ppb (12) | 0.36 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 11, 2019, 11 p.m. | N/A | 9.6 ppb (9) | N/A | 8.0 ppb (7) | N/A | N/A | 17.0 ppb (13) | 0.24 ppb (3) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 11, 2019, 10 p.m. | N/A | 11.7 ppb (11) | N/A | 8.0 ppb (7) | N/A | N/A | 15.0 ppb (12) | 0.47 ppb (5) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 11, 2019, 9 p.m. | N/A | 11.0 ppb (10) | N/A | 9.0 ppb (8) | N/A | N/A | 17.0 ppb (13) | 0.37 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 11, 2019, 8 p.m. | N/A | 12.7 ppb (12) | N/A | 15.0 ppb (14) | N/A | N/A | 0.0 ppb (0) | 0.62 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 11, 2019, 7 p.m. | N/A | 7.8 ppb (7) | N/A | 4.0 ppb (4) | N/A | N/A | 1.0 ppb (1) | 0.16 ppb (2) | N/A | 1.0 μg/m3 (4) | 7.0 | |
| July 11, 2019, 6 p.m. | N/A | 7.1 ppb (7) | N/A | 3.0 ppb (3) | N/A | N/A | 24.0 ppb (18) | 0.39 ppb (4) | N/A | 4.0 μg/m3 (17) | 18.0 | |
| July 11, 2019, 5 p.m. | N/A | 9.2 ppb (9) | N/A | 5.0 ppb (5) | N/A | N/A | 34.0 ppb (26) | 0.53 ppb (6) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 11, 2019, 4 p.m. | N/A | 8.3 ppb (8) | N/A | 6.0 ppb (6) | N/A | N/A | 30.0 ppb (23) | 0.52 ppb (6) | N/A | 21.0 μg/m3 (69) | 69.0 | |
| July 11, 2019, 3 p.m. | N/A | 13.4 ppb (12) | N/A | 16.0 ppb (15) | N/A | N/A | 28.0 ppb (22) | 0.66 ppb (7) | N/A | 21.0 μg/m3 (69) | 69.0 | |
| July 11, 2019, 2 p.m. | N/A | 12.1 ppb (11) | N/A | 18.0 ppb (17) | N/A | N/A | 18.0 ppb (14) | 0.68 ppb (8) | N/A | 22.0 μg/m3 (71) | 71.0 | |
| July 11, 2019, 1 p.m. | N/A | 6.8 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 36.0 ppb (28) | 0.51 ppb (6) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 11, 2019, noon | N/A | 6.7 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 34.0 ppb (26) | 0.47 ppb (5) | N/A | 6.0 μg/m3 (25) | 26.0 | |
| July 11, 2019, 11 a.m. | N/A | 6.5 ppb (6) | N/A | 0.0 ppb (0) | N/A | N/A | 40.0 ppb (31) | 0.45 ppb (5) | N/A | 7.0 μg/m3 (29) | 31.0 | |
| July 11, 2019, 10 a.m. | N/A | 6.6 ppb (6) | N/A | 0.0 ppb (0) | N/A | N/A | 40.0 ppb (31) | 0.45 ppb (5) | N/A | 6.0 μg/m3 (25) | 31.0 | |
| July 11, 2019, 9 a.m. | N/A | 6.3 ppb (6) | N/A | 0.0 ppb (0) | N/A | N/A | 43.0 ppb (33) | 0.45 ppb (5) | N/A | 7.0 μg/m3 (29) | 33.0 | |
| July 11, 2019, 8 a.m. | N/A | 6.4 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | 43.0 ppb (33) | 0.47 ppb (5) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 11, 2019, 7 a.m. | N/A | 6.4 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 42.0 ppb (32) | 0.54 ppb (6) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 11, 2019, 6 a.m. | N/A | 6.5 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 44.0 ppb (34) | 0.54 ppb (6) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 11, 2019, 5 a.m. | N/A | 6.6 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 47.0 ppb (36) | 0.54 ppb (6) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 11, 2019, 4 a.m. | N/A | 6.4 ppb (6) | N/A | 8.0 ppb (7) | N/A | N/A | 48.0 ppb (37) | 0.61 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 11, 2019, 3 a.m. | N/A | 6.3 ppb (6) | N/A | 9.0 ppb (8) | N/A | N/A | 64.0 ppb (49) | 0.64 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 11, 2019, 2 a.m. | N/A | 6.6 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 73.0 ppb (57) | 0.59 ppb (7) | N/A | 9.0 μg/m3 (38) | 57.0 | |
| July 11, 2019, 1 a.m. | N/A | 7.2 ppb (7) | N/A | 3.0 ppb (3) | N/A | N/A | 74.0 ppb (57) | 0.57 ppb (6) | N/A | 12.0 μg/m3 (50) | 57.0 | |
| July 11, 2019, midnight | N/A | 6.5 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 71.0 ppb (55) | 0.53 ppb (6) | N/A | 11.0 μg/m3 (46) | 55.0 | |
| July 10, 2019, 11 p.m. | N/A | 7.3 ppb (7) | N/A | 3.0 ppb (3) | N/A | N/A | 69.0 ppb (53) | 0.55 ppb (6) | N/A | 9.0 μg/m3 (38) | 53.0 | |
| July 10, 2019, 10 p.m. | N/A | 8.4 ppb (8) | N/A | 7.0 ppb (6) | N/A | N/A | 69.0 ppb (53) | 0.59 ppb (7) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 10, 2019, 9 p.m. | N/A | 8.2 ppb (8) | N/A | 11.0 ppb (10) | N/A | N/A | 80.0 ppb (62) | 0.64 ppb (7) | N/A | 12.0 μg/m3 (50) | 62.0 | |
| July 10, 2019, 8 p.m. | N/A | 7.6 ppb (7) | N/A | 8.0 ppb (7) | N/A | N/A | 73.0 ppb (57) | 0.68 ppb (8) | N/A | 11.0 μg/m3 (46) | 57.0 | |
| July 10, 2019, 7 p.m. | N/A | 7.9 ppb (7) | N/A | 7.0 ppb (6) | N/A | N/A | 62.0 ppb (48) | 0.62 ppb (7) | N/A | 8.0 μg/m3 (33) | 48.0 | |
| July 10, 2019, 6 p.m. | N/A | 6.7 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 54.0 ppb (42) | 0.61 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 10, 2019, 5 p.m. | N/A | 7.1 ppb (7) | N/A | 5.0 ppb (5) | N/A | N/A | 47.0 ppb (36) | 0.59 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 10, 2019, 4 p.m. | N/A | 10.4 ppb (10) | N/A | 12.0 ppb (11) | N/A | N/A | 39.0 ppb (30) | 0.64 ppb (7) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 10, 2019, 3 p.m. | N/A | 20.5 ppb (19) | N/A | 24.0 ppb (22) | N/A | N/A | 22.0 ppb (17) | 0.84 ppb (9) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 10, 2019, 2 p.m. | N/A | 38.4 ppb (36) | N/A | 22.0 ppb (20) | N/A | N/A | 7.0 ppb (5) | 1.02 ppb (11) | N/A | 28.0 μg/m3 (84) | 84.0 | |
| July 10, 2019, 1 p.m. | N/A | 19.8 ppb (18) | N/A | 15.0 ppb (14) | N/A | N/A | 10.0 ppb (8) | 0.74 ppb (8) | N/A | 25.0 μg/m3 (78) | 78.0 | |
| July 10, 2019, noon | N/A | 6.3 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 27.0 ppb (21) | 0.51 ppb (6) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 10, 2019, 11 a.m. | N/A | 6.5 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 34.0 ppb (26) | 0.47 ppb (5) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 10, 2019, 10 a.m. | N/A | 6.5 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | 39.0 ppb (30) | 0.47 ppb (5) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 10, 2019, 9 a.m. | N/A | 6.6 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | 41.0 ppb (32) | 0.47 ppb (5) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 10, 2019, 8 a.m. | N/A | 6.4 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (30) | 0.5 ppb (6) | N/A | 18.0 μg/m3 (63) | 63.0 | |
| July 10, 2019, 7 a.m. | N/A | 6.5 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 41.0 ppb (32) | 0.53 ppb (6) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 10, 2019, 6 a.m. | N/A | 6.4 ppb (6) | N/A | 9.0 ppb (8) | N/A | N/A | 39.0 ppb (30) | 0.59 ppb (7) | N/A | 18.0 μg/m3 (63) | 63.0 | |
| July 10, 2019, 5 a.m. | N/A | 6.3 ppb (6) | N/A | 10.0 ppb (9) | N/A | N/A | 42.0 ppb (32) | 0.61 ppb (7) | N/A | 18.0 μg/m3 (63) | 63.0 | |
| July 10, 2019, 4 a.m. | N/A | 8.2 ppb (8) | N/A | 29.0 ppb (27) | N/A | N/A | 32.0 ppb (25) | 0.81 ppb (9) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 10, 2019, 3 a.m. | N/A | 9.2 ppb (9) | N/A | 17.0 ppb (16) | N/A | N/A | 50.0 ppb (38) | 0.71 ppb (8) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 10, 2019, 2 a.m. | N/A | 9.4 ppb (9) | N/A | 10.0 ppb (9) | N/A | N/A | 60.0 ppb (46) | 0.62 ppb (7) | N/A | 9.0 μg/m3 (38) | 46.0 | |
| July 10, 2019, 1 a.m. | N/A | 8.2 ppb (8) | N/A | 7.0 ppb (6) | N/A | N/A | 62.0 ppb (48) | 0.56 ppb (6) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 10, 2019, midnight | N/A | 9.7 ppb (9) | N/A | 10.0 ppb (9) | N/A | N/A | 63.0 ppb (48) | 0.58 ppb (6) | N/A | 9.0 μg/m3 (38) | 48.0 | |
| July 9, 2019, 11 p.m. | N/A | 9.0 ppb (8) | N/A | 9.0 ppb (8) | N/A | N/A | 62.0 ppb (48) | 0.58 ppb (6) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 9, 2019, 10 p.m. | N/A | 7.9 ppb (7) | N/A | 8.0 ppb (7) | N/A | N/A | 69.0 ppb (53) | 0.57 ppb (6) | N/A | 13.0 μg/m3 (52) | 53.0 | |
| July 9, 2019, 9 p.m. | N/A | 9.6 ppb (9) | N/A | 9.0 ppb (8) | N/A | N/A | 62.0 ppb (48) | 0.62 ppb (7) | N/A | 11.0 μg/m3 (46) | 48.0 | |
| July 9, 2019, 8 p.m. | N/A | 9.9 ppb (9) | N/A | 11.0 ppb (10) | N/A | N/A | 58.0 ppb (45) | 0.64 ppb (7) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 9, 2019, 7 p.m. | N/A | 10.1 ppb (9) | N/A | 14.0 ppb (13) | N/A | N/A | 52.0 ppb (40) | 0.68 ppb (8) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 9, 2019, 6 p.m. | N/A | 11.5 ppb (11) | N/A | 13.0 ppb (12) | N/A | N/A | 44.0 ppb (34) | 0.69 ppb (8) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 9, 2019, 5 p.m. | N/A | 13.7 ppb (13) | N/A | 15.0 ppb (14) | N/A | N/A | 39.0 ppb (30) | 0.74 ppb (8) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 9, 2019, 4 p.m. | N/A | 17.1 ppb (16) | N/A | 16.0 ppb (15) | N/A | N/A | 32.0 ppb (25) | 0.74 ppb (8) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 9, 2019, 3 p.m. | N/A | 28.9 ppb (27) | N/A | 25.0 ppb (23) | N/A | N/A | 16.0 ppb (12) | 0.89 ppb (10) | N/A | 21.0 μg/m3 (69) | 69.0 | |
| July 9, 2019, 2 p.m. | N/A | 34.0 ppb (31) | N/A | 27.0 ppb (25) | N/A | N/A | 7.0 ppb (5) | 0.9 ppb (10) | N/A | 23.0 μg/m3 (73) | 73.0 | |
| July 9, 2019, 1 p.m. | N/A | 25.1 ppb (23) | N/A | 23.0 ppb (21) | N/A | N/A | 5.0 ppb (4) | 0.82 ppb (9) | N/A | 22.0 μg/m3 (71) | 71.0 | |
| July 9, 2019, noon | N/A | 7.6 ppb (7) | N/A | 16.0 ppb (15) | N/A | N/A | 14.0 ppb (11) | 0.59 ppb (7) | N/A | 24.0 μg/m3 (76) | 76.0 | |
| July 9, 2019, 11 a.m. | N/A | 7.5 ppb (7) | N/A | 8.0 ppb (7) | N/A | N/A | 26.0 ppb (20) | 0.53 ppb (6) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 9, 2019, 10 a.m. | N/A | 7.2 ppb (7) | N/A | 11.0 ppb (10) | N/A | N/A | 21.0 ppb (16) | 0.53 ppb (6) | N/A | 19.0 μg/m3 (65) | 65.0 | |
| July 9, 2019, 9 a.m. | N/A | 7.1 ppb (7) | N/A | 11.0 ppb (10) | N/A | N/A | 21.0 ppb (16) | 0.54 ppb (6) | N/A | 18.0 μg/m3 (63) | 63.0 | |
| July 9, 2019, 8 a.m. | N/A | 6.2 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 29.0 ppb (22) | 0.51 ppb (6) | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 9, 2019, 7 a.m. | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 37.0 ppb (28) | 0.47 ppb (5) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 9, 2019, 6 a.m. | N/A | 6.1 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | 41.0 ppb (32) | 0.48 ppb (5) | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 9, 2019, 5 a.m. | N/A | 6.2 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 41.0 ppb (32) | 0.5 ppb (6) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 9, 2019, 4 a.m. | N/A | 6.0 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 43.0 ppb (33) | 0.51 ppb (6) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 9, 2019, 3 a.m. | N/A | 6.2 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | 51.0 ppb (39) | 0.49 ppb (5) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 9, 2019, 2 a.m. | N/A | 6.2 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | 57.0 ppb (44) | 0.49 ppb (5) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 9, 2019, 1 a.m. | N/A | 7.0 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 66.0 ppb (51) | 0.55 ppb (6) | N/A | 12.0 μg/m3 (50) | 51.0 | |
| July 9, 2019, midnight | N/A | 7.6 ppb (7) | N/A | 4.0 ppb (4) | N/A | N/A | 68.0 ppb (52) | 0.56 ppb (6) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 8, 2019, 11 p.m. | N/A | 7.7 ppb (7) | N/A | 4.0 ppb (4) | N/A | N/A | 68.0 ppb (52) | 0.58 ppb (6) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 8, 2019, 10 p.m. | N/A | 6.8 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 69.0 ppb (53) | 0.55 ppb (6) | N/A | 12.0 μg/m3 (50) | 53.0 | |
| July 8, 2019, 9 p.m. | N/A | 8.7 ppb (8) | N/A | 5.0 ppb (5) | N/A | N/A | 66.0 ppb (51) | 0.59 ppb (7) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 8, 2019, 8 p.m. | N/A | 9.1 ppb (8) | N/A | 8.0 ppb (7) | N/A | N/A | 66.0 ppb (51) | 0.64 ppb (7) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 8, 2019, 7 p.m. | N/A | 11.5 ppb (11) | N/A | 11.0 ppb (10) | N/A | N/A | 60.0 ppb (46) | 0.7 ppb (8) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 8, 2019, 6 p.m. | N/A | 13.8 ppb (13) | N/A | 12.0 ppb (11) | N/A | N/A | 52.0 ppb (40) | 0.74 ppb (8) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 8, 2019, 5 p.m. | N/A | 15.9 ppb (15) | N/A | 14.0 ppb (13) | N/A | N/A | 50.0 ppb (38) | 0.69 ppb (8) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 8, 2019, 4 p.m. | N/A | 23.4 ppb (22) | N/A | 28.0 ppb (26) | N/A | N/A | 31.0 ppb (24) | 0.83 ppb (9) | N/A | 26.0 μg/m3 (80) | 80.0 |