Mexicali MX, MX: 32.6336, -115.5042
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 25, 2019, 8 p.m. | N/A | 10.4 ppb (10) | N/A | 9.0 ppb (8) | N/A | N/A | 49.0 ppb (38) | 0.72 ppb (8) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 25, 2019, 7 p.m. | N/A | 9.4 ppb (9) | N/A | 10.0 ppb (9) | N/A | N/A | 53.0 ppb (41) | 0.74 ppb (8) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| May 25, 2019, 6 p.m. | N/A | 9.9 ppb (9) | N/A | 16.0 ppb (15) | N/A | N/A | 49.0 ppb (38) | 0.82 ppb (9) | N/A | 20.0 μg/m3 (67) | 67.0 | |
| May 25, 2019, 5 p.m. | N/A | 11.2 ppb (10) | N/A | 17.0 ppb (16) | N/A | N/A | 41.0 ppb (32) | 0.88 ppb (10) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| May 25, 2019, 4 p.m. | N/A | 9.1 ppb (8) | N/A | 14.0 ppb (13) | N/A | N/A | 37.0 ppb (28) | 0.82 ppb (9) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| May 25, 2019, 3 p.m. | N/A | 16.6 ppb (15) | N/A | 21.0 ppb (19) | N/A | N/A | 23.0 ppb (18) | 0.93 ppb (10) | N/A | 25.0 μg/m3 (78) | 78.0 | |
| May 25, 2019, 2 p.m. | N/A | 27.5 ppb (25) | N/A | 32.0 ppb (30) | N/A | N/A | 9.0 ppb (7) | 1.12 ppb (12) | N/A | 40.0 μg/m3 (111) | 111.0 | |
| May 25, 2019, 1 p.m. | N/A | 14.0 ppb (13) | N/A | 29.0 ppb (27) | N/A | N/A | 10.0 ppb (8) | 1.05 ppb (12) | N/A | 42.0 μg/m3 (116) | 116.0 | |
| May 25, 2019, noon | N/A | 6.9 ppb (6) | N/A | 8.0 ppb (7) | N/A | N/A | 31.0 ppb (24) | 0.7 ppb (8) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| May 25, 2019, 11 a.m. | N/A | 5.5 ppb (5) | N/A | 5.0 ppb (5) | N/A | N/A | 39.0 ppb (30) | 0.69 ppb (8) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 25, 2019, 10 a.m. | N/A | 5.5 ppb (5) | N/A | 7.0 ppb (6) | N/A | N/A | 38.0 ppb (29) | 0.72 ppb (8) | N/A | 28.0 μg/m3 (84) | 84.0 | |
| May 25, 2019, 9 a.m. | N/A | 5.7 ppb (5) | N/A | 8.0 ppb (7) | N/A | N/A | 37.0 ppb (28) | 0.74 ppb (8) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| May 25, 2019, 8 a.m. | N/A | 7.4 ppb (7) | N/A | 27.0 ppb (25) | N/A | N/A | 20.0 ppb (15) | 0.99 ppb (11) | N/A | 21.0 μg/m3 (69) | 69.0 | |
| May 25, 2019, 7 a.m. | N/A | 21.4 ppb (20) | N/A | 43.0 ppb (40) | N/A | N/A | 4.0 ppb (3) | 1.43 ppb (16) | N/A | 45.0 μg/m3 (124) | 124.0 | |
| May 25, 2019, 6 a.m. | N/A | 10.2 ppb (9) | N/A | 28.0 ppb (26) | N/A | N/A | 21.0 ppb (16) | 1.12 ppb (12) | N/A | 41.0 μg/m3 (114) | 114.0 | |
| May 25, 2019, 5 a.m. | N/A | 19.1 ppb (18) | N/A | 42.0 ppb (39) | N/A | N/A | 14.0 ppb (11) | 1.33 ppb (15) | N/A | 30.0 μg/m3 (88) | 88.0 | |
| May 25, 2019, 4 a.m. | N/A | 6.1 ppb (6) | N/A | 17.0 ppb (16) | N/A | N/A | 39.0 ppb (30) | 0.89 ppb (10) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| May 25, 2019, 3 a.m. | N/A | 6.1 ppb (6) | N/A | 8.0 ppb (7) | N/A | N/A | 48.0 ppb (37) | 0.73 ppb (8) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 25, 2019, 2 a.m. | N/A | 6.0 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 53.0 ppb (41) | 0.67 ppb (7) | N/A | 8.0 μg/m3 (33) | 41.0 | |
| May 25, 2019, 1 a.m. | N/A | 6.6 ppb (6) | N/A | 9.0 ppb (8) | N/A | N/A | 67.0 ppb (52) | 0.73 ppb (8) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| May 25, 2019, midnight | N/A | 6.9 ppb (6) | N/A | 8.0 ppb (7) | N/A | N/A | 62.0 ppb (48) | 0.71 ppb (8) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 24, 2019, 11 p.m. | N/A | 6.6 ppb (6) | N/A | 6.0 ppb (6) | N/A | N/A | 60.0 ppb (46) | 0.7 ppb (8) | N/A | 10.0 μg/m3 (42) | 46.0 | |
| May 24, 2019, 10 p.m. | N/A | 7.8 ppb (7) | N/A | 9.0 ppb (8) | N/A | N/A | 57.0 ppb (44) | 0.73 ppb (8) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| May 24, 2019, 9 p.m. | N/A | 8.1 ppb (8) | N/A | 8.0 ppb (7) | N/A | N/A | 55.0 ppb (42) | 0.74 ppb (8) | N/A | 9.0 μg/m3 (38) | 42.0 | |
| May 24, 2019, 8 p.m. | N/A | 8.1 ppb (8) | N/A | 7.0 ppb (6) | N/A | N/A | 49.0 ppb (38) | 0.72 ppb (8) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 24, 2019, 7 p.m. | N/A | 7.1 ppb (7) | N/A | 5.0 ppb (5) | N/A | N/A | 46.0 ppb (35) | 0.69 ppb (8) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 24, 2019, 6 p.m. | N/A | 6.9 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 42.0 ppb (32) | 0.66 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 24, 2019, 5 p.m. | N/A | 6.4 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (30) | 0.64 ppb (7) | N/A | 7.0 μg/m3 (29) | 30.0 | |
| May 24, 2019, 4 p.m. | N/A | 6.6 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 36.0 ppb (28) | 0.66 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 24, 2019, 3 p.m. | N/A | 8.1 ppb (8) | N/A | 9.0 ppb (8) | N/A | N/A | 29.0 ppb (22) | 0.73 ppb (8) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 24, 2019, 2 p.m. | N/A | 13.6 ppb (13) | N/A | 21.0 ppb (19) | N/A | N/A | 12.0 ppb (9) | 0.91 ppb (10) | N/A | 21.0 μg/m3 (69) | 69.0 | |
| May 24, 2019, 1 p.m. | N/A | 6.1 ppb (6) | N/A | 10.0 ppb (9) | N/A | N/A | 19.0 ppb (15) | 0.72 ppb (8) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| May 24, 2019, noon | N/A | 5.9 ppb (5) | N/A | 6.0 ppb (6) | N/A | N/A | 23.0 ppb (18) | 0.69 ppb (8) | N/A | 19.0 μg/m3 (65) | 65.0 | |
| May 24, 2019, 11 a.m. | N/A | 6.0 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 25.0 ppb (19) | 0.66 ppb (7) | N/A | 17.0 μg/m3 (61) | 61.0 | |
| May 24, 2019, 10 a.m. | N/A | 6.2 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 28.0 ppb (22) | 0.65 ppb (7) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| May 24, 2019, 9 a.m. | N/A | 6.1 ppb (6) | N/A | 7.0 ppb (6) | N/A | N/A | 27.0 ppb (21) | 0.66 ppb (7) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| May 24, 2019, 8 a.m. | N/A | 5.8 ppb (5) | N/A | 5.0 ppb (5) | N/A | N/A | 31.0 ppb (24) | 0.66 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 24, 2019, 7 a.m. | N/A | 6.0 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 32.0 ppb (25) | 0.66 ppb (7) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 24, 2019, 6 a.m. | N/A | 6.2 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 33.0 ppb (25) | 0.66 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 24, 2019, 5 a.m. | N/A | 6.2 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 33.0 ppb (25) | 0.67 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 24, 2019, 4 a.m. | N/A | 6.2 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 34.0 ppb (26) | 0.67 ppb (7) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| May 24, 2019, 3 a.m. | N/A | 6.3 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 35.0 ppb (27) | 0.69 ppb (8) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| May 24, 2019, 2 a.m. | N/A | 6.5 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 41.0 ppb (32) | 0.66 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 24, 2019, 1 a.m. | N/A | 6.5 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (32) | 0.66 ppb (7) | N/A | 7.0 μg/m3 (29) | 32.0 | |
| May 24, 2019, midnight | N/A | 6.3 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 42.0 ppb (32) | 0.59 ppb (7) | N/A | 5.0 μg/m3 (21) | 32.0 | |
| May 23, 2019, 11 p.m. | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 44.0 ppb (34) | 0.61 ppb (7) | N/A | 7.0 μg/m3 (29) | 34.0 | |
| May 23, 2019, 10 p.m. | N/A | 9.1 ppb (8) | N/A | 2.0 ppb (2) | N/A | N/A | 42.0 ppb (32) | 0.63 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 23, 2019, 9 p.m. | N/A | 6.6 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (33) | 0.61 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 23, 2019, 8 p.m. | N/A | 6.4 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (33) | 0.61 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 23, 2019, 7 p.m. | N/A | 6.8 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (32) | 0.63 ppb (7) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 23, 2019, 6 p.m. | N/A | 6.7 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 41.0 ppb (32) | 0.61 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 23, 2019, 5 p.m. | N/A | 7.4 ppb (7) | N/A | 5.0 ppb (5) | N/A | N/A | 39.0 ppb (30) | 0.65 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 23, 2019, 4 p.m. | N/A | 16.7 ppb (15) | N/A | 17.0 ppb (16) | N/A | N/A | 29.0 ppb (22) | 0.86 ppb (10) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 23, 2019, 3 p.m. | N/A | 13.0 ppb (12) | N/A | 16.0 ppb (15) | N/A | N/A | 26.0 ppb (20) | 0.85 ppb (9) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 23, 2019, 2 p.m. | N/A | 6.4 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 36.0 ppb (28) | 0.65 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 23, 2019, 1 p.m. | N/A | 6.2 ppb (6) | N/A | 7.0 ppb (6) | N/A | N/A | 32.0 ppb (25) | 0.66 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 23, 2019, noon | N/A | 6.0 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 27.0 ppb (21) | 0.64 ppb (7) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 23, 2019, 11 a.m. | N/A | 6.3 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 34.0 ppb (26) | 0.63 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 23, 2019, 10 a.m. | N/A | 6.0 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 39.0 ppb (30) | 0.61 ppb (7) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| May 23, 2019, 9 a.m. | N/A | 6.1 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 40.0 ppb (31) | 0.61 ppb (7) | N/A | 5.0 μg/m3 (21) | 31.0 | |
| May 23, 2019, 8 a.m. | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 42.0 ppb (32) | 0.61 ppb (7) | N/A | 7.0 μg/m3 (29) | 32.0 | |
| May 23, 2019, 7 a.m. | N/A | 6.0 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 38.0 ppb (29) | 0.61 ppb (7) | N/A | 5.0 μg/m3 (21) | 29.0 | |
| May 23, 2019, 6 a.m. | N/A | 5.9 ppb (5) | N/A | 4.0 ppb (4) | N/A | N/A | 36.0 ppb (28) | 0.64 ppb (7) | N/A | 6.0 μg/m3 (25) | 28.0 | |
| May 23, 2019, 5 a.m. | N/A | 6.1 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 35.0 ppb (27) | 0.67 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 23, 2019, 4 a.m. | N/A | 6.1 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 37.0 ppb (28) | 0.63 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 23, 2019, 3 a.m. | N/A | 6.2 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 40.0 ppb (31) | 0.63 ppb (7) | N/A | 6.0 μg/m3 (25) | 31.0 | |
| May 23, 2019, 2 a.m. | N/A | 6.3 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 45.0 ppb (35) | 0.63 ppb (7) | N/A | 7.0 μg/m3 (29) | 35.0 | |
| May 23, 2019, 1 a.m. | N/A | 6.5 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 45.0 ppb (35) | 0.62 ppb (7) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 23, 2019, midnight | N/A | 6.4 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 47.0 ppb (36) | 0.63 ppb (7) | N/A | 8.0 μg/m3 (33) | 36.0 | |
| May 22, 2019, 11 p.m. | N/A | 6.4 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 48.0 ppb (37) | 0.64 ppb (7) | N/A | 8.0 μg/m3 (33) | 37.0 | |
| May 22, 2019, 10 p.m. | N/A | 6.3 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 47.0 ppb (36) | 0.64 ppb (7) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| May 22, 2019, 9 p.m. | N/A | 6.7 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 44.0 ppb (34) | 0.64 ppb (7) | N/A | 8.0 μg/m3 (33) | 34.0 | |
| May 22, 2019, 8 p.m. | N/A | 6.6 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 44.0 ppb (34) | 0.63 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 22, 2019, 7 p.m. | N/A | 6.3 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 44.0 ppb (34) | 0.63 ppb (7) | N/A | 5.0 μg/m3 (21) | 34.0 | |
| May 22, 2019, 6 p.m. | N/A | 6.3 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 45.0 ppb (35) | 0.62 ppb (7) | N/A | 6.0 μg/m3 (25) | 35.0 | |
| May 22, 2019, 5 p.m. | N/A | 6.3 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (33) | 0.63 ppb (7) | N/A | 5.0 μg/m3 (21) | 33.0 | |
| May 22, 2019, 4 p.m. | N/A | 6.5 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 42.0 ppb (32) | 0.62 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 22, 2019, 3 p.m. | N/A | 6.5 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (32) | 0.65 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 22, 2019, 2 p.m. | N/A | 6.3 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 42.0 ppb (32) | 0.63 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 22, 2019, 1 p.m. | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (33) | 0.63 ppb (7) | N/A | 7.0 μg/m3 (29) | 33.0 | |
| May 22, 2019, noon | N/A | 6.2 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | 43.0 ppb (33) | 0.6 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 22, 2019, 11 a.m. | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 40.0 ppb (31) | 0.61 ppb (7) | N/A | 4.0 μg/m3 (17) | 31.0 | |
| May 22, 2019, 10 a.m. | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (32) | 0.61 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 22, 2019, 9 a.m. | N/A | 6.1 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 42.0 ppb (32) | 0.61 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 22, 2019, 8 a.m. | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 42.0 ppb (32) | 0.63 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 22, 2019, 7 a.m. | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 40.0 ppb (31) | 0.6 ppb (7) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| May 22, 2019, 6 a.m. | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (32) | 0.63 ppb (7) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| May 22, 2019, 5 a.m. | N/A | 6.3 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 44.0 ppb (34) | 0.63 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 22, 2019, 4 a.m. | N/A | 6.1 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 44.0 ppb (34) | 0.65 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 22, 2019, 3 a.m. | N/A | 6.2 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 43.0 ppb (33) | 0.66 ppb (7) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| May 22, 2019, 2 a.m. | N/A | 6.2 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (32) | 0.63 ppb (7) | N/A | 7.0 μg/m3 (29) | 32.0 | |
| May 22, 2019, 1 a.m. | N/A | 6.4 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 44.0 ppb (34) | 0.61 ppb (7) | N/A | 42.0 μg/m3 (116) | 116.0 | |
| May 22, 2019, midnight | N/A | 6.4 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 47.0 ppb (36) | 0.61 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 21, 2019, 11 p.m. | N/A | 6.3 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 49.0 ppb (38) | 0.61 ppb (7) | N/A | 22.0 μg/m3 (71) | 71.0 | |
| May 21, 2019, 10 p.m. | N/A | 6.5 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 51.0 ppb (39) | 0.63 ppb (7) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| May 21, 2019, 9 p.m. | N/A | 6.3 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 52.0 ppb (40) | 0.63 ppb (7) | N/A | 7.0 μg/m3 (29) | 40.0 | |
| May 21, 2019, 8 p.m. | N/A | 6.3 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 51.0 ppb (39) | 0.64 ppb (7) | N/A | 6.0 μg/m3 (25) | 39.0 | |
| May 21, 2019, 7 p.m. | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 49.0 ppb (38) | 0.63 ppb (7) | N/A | 8.0 μg/m3 (33) | 38.0 | |
| May 21, 2019, 6 p.m. | N/A | 6.4 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 48.0 ppb (37) | 0.61 ppb (7) | N/A | 8.0 μg/m3 (33) | 37.0 | |
| May 21, 2019, 5 p.m. | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 47.0 ppb (36) | 0.63 ppb (7) | N/A | 5.0 μg/m3 (21) | 36.0 | |
| May 21, 2019, 4 p.m. | N/A | 6.4 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 46.0 ppb (35) | 0.63 ppb (7) | N/A | 8.0 μg/m3 (33) | 35.0 | |
| May 21, 2019, 3 p.m. | N/A | 7.3 ppb (7) | N/A | 7.0 ppb (6) | N/A | N/A | 42.0 ppb (32) | 0.69 ppb (8) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| May 21, 2019, 2 p.m. | N/A | 6.8 ppb (6) | N/A | 9.0 ppb (8) | N/A | N/A | 36.0 ppb (28) | 0.7 ppb (8) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 21, 2019, 1 p.m. | N/A | 6.3 ppb (6) | N/A | 6.0 ppb (6) | N/A | N/A | 39.0 ppb (30) | 0.66 ppb (7) | N/A | 6.0 μg/m3 (25) | 30.0 | |
| May 21, 2019, noon | N/A | 6.2 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 44.0 ppb (34) | 0.63 ppb (7) | N/A | 6.0 μg/m3 (25) | 34.0 | |
| May 21, 2019, 11 a.m. | N/A | 6.0 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (33) | 0.63 ppb (7) | N/A | 6.0 μg/m3 (25) | 33.0 | |
| May 21, 2019, 10 a.m. | N/A | 6.0 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (33) | 0.63 ppb (7) | N/A | 6.0 μg/m3 (25) | 33.0 | |
| May 21, 2019, 9 a.m. | N/A | 6.2 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 43.0 ppb (33) | 0.64 ppb (7) | N/A | 6.0 μg/m3 (25) | 33.0 | |
| May 21, 2019, 8 a.m. | N/A | 6.3 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 45.0 ppb (35) | 0.62 ppb (7) | N/A | 7.0 μg/m3 (29) | 35.0 | |
| May 21, 2019, 7 a.m. | N/A | 6.1 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 45.0 ppb (35) | 0.65 ppb (7) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 21, 2019, 6 a.m. | N/A | 6.1 ppb (6) | N/A | 6.0 ppb (6) | N/A | N/A | 43.0 ppb (33) | 0.67 ppb (7) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 21, 2019, 5 a.m. | N/A | 6.2 ppb (6) | N/A | 7.0 ppb (6) | N/A | N/A | 43.0 ppb (33) | 0.68 ppb (8) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| May 21, 2019, 4 a.m. | N/A | 6.0 ppb (6) | N/A | 6.0 ppb (6) | N/A | N/A | 44.0 ppb (34) | 0.67 ppb (7) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 21, 2019, 3 a.m. | N/A | 6.4 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 48.0 ppb (37) | 0.67 ppb (7) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 21, 2019, 2 a.m. | N/A | 6.2 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 52.0 ppb (40) | 0.65 ppb (7) | N/A | 5.0 μg/m3 (21) | 40.0 | |
| May 21, 2019, 1 a.m. | N/A | 6.4 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 54.0 ppb (42) | 0.64 ppb (7) | N/A | 6.0 μg/m3 (25) | 42.0 | |
| May 21, 2019, midnight | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 54.0 ppb (42) | 0.62 ppb (7) | N/A | 7.0 μg/m3 (29) | 42.0 | |
| May 20, 2019, 11 p.m. | N/A | 6.4 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 52.0 ppb (40) | 0.61 ppb (7) | N/A | 5.0 μg/m3 (21) | 40.0 | |
| May 20, 2019, 10 p.m. | N/A | 6.4 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 51.0 ppb (39) | 0.62 ppb (7) | N/A | 5.0 μg/m3 (21) | 39.0 | |
| May 20, 2019, 9 p.m. | N/A | 6.5 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 49.0 ppb (38) | 0.62 ppb (7) | N/A | 5.0 μg/m3 (21) | 38.0 | |
| May 20, 2019, 8 p.m. | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 48.0 ppb (37) | 0.64 ppb (7) | N/A | 5.0 μg/m3 (21) | 37.0 | |
| May 20, 2019, 7 p.m. | N/A | 6.3 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 48.0 ppb (37) | 0.63 ppb (7) | N/A | 5.0 μg/m3 (21) | 37.0 | |
| May 20, 2019, 6 p.m. | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 47.0 ppb (36) | 0.62 ppb (7) | N/A | 7.0 μg/m3 (29) | 36.0 | |
| May 20, 2019, 5 p.m. | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 46.0 ppb (35) | 0.61 ppb (7) | N/A | 7.0 μg/m3 (29) | 35.0 | |
| May 20, 2019, 4 p.m. | N/A | 6.4 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 45.0 ppb (35) | 0.62 ppb (7) | N/A | 8.0 μg/m3 (33) | 35.0 | |
| May 20, 2019, 3 p.m. | N/A | 6.4 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 45.0 ppb (35) | 0.63 ppb (7) | N/A | 7.0 μg/m3 (29) | 35.0 | |
| May 20, 2019, 2 p.m. | N/A | 6.2 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 45.0 ppb (35) | 0.65 ppb (7) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 20, 2019, 1 p.m. | N/A | 6.1 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 47.0 ppb (36) | 0.63 ppb (7) | N/A | 6.0 μg/m3 (25) | 36.0 | |
| May 20, 2019, noon | N/A | 6.0 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 50.0 ppb (38) | 0.63 ppb (7) | N/A | 5.0 μg/m3 (21) | 38.0 | |
| May 20, 2019, 11 a.m. | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | N/A | N/A | 48.0 ppb (37) | 0.61 ppb (7) | N/A | 4.0 μg/m3 (17) | 37.0 | |
| May 20, 2019, 10 a.m. | N/A | 6.1 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 43.0 ppb (33) | 0.61 ppb (7) | N/A | 7.0 μg/m3 (29) | 33.0 | |
| May 20, 2019, 9 a.m. | N/A | 6.1 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 43.0 ppb (33) | 0.64 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 20, 2019, 8 a.m. | N/A | 6.0 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 45.0 ppb (35) | 0.62 ppb (7) | N/A | 7.0 μg/m3 (29) | 35.0 | |
| May 20, 2019, 7 a.m. | N/A | 6.0 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 46.0 ppb (35) | 0.62 ppb (7) | N/A | 8.0 μg/m3 (33) | 35.0 | |
| May 20, 2019, 6 a.m. | N/A | 6.0 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 47.0 ppb (36) | 0.64 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 20, 2019, 5 a.m. | N/A | 6.0 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 47.0 ppb (36) | 0.63 ppb (7) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| May 20, 2019, 4 a.m. | N/A | 6.1 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 47.0 ppb (36) | 0.63 ppb (7) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 20, 2019, 3 a.m. | N/A | 7.1 ppb (7) | N/A | 7.0 ppb (6) | N/A | N/A | 46.0 ppb (35) | 0.69 ppb (8) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| May 20, 2019, 2 a.m. | N/A | 6.0 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 50.0 ppb (38) | 0.65 ppb (7) | N/A | 24.0 μg/m3 (76) | 76.0 | |
| May 20, 2019, 1 a.m. | N/A | 6.3 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 44.0 ppb (34) | 0.64 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 20, 2019, midnight | N/A | 6.3 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 41.0 ppb (32) | 0.62 ppb (7) | N/A | 18.0 μg/m3 (63) | 63.0 | |
| May 19, 2019, 11 p.m. | N/A | 6.2 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 37.0 ppb (28) | 0.63 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 19, 2019, 10 p.m. | N/A | 6.4 ppb (6) | N/A | 2.0 ppb (2) | N/A | N/A | 37.0 ppb (28) | 0.62 ppb (7) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 19, 2019, 9 p.m. | N/A | 6.2 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (30) | 0.62 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 19, 2019, 8 p.m. | N/A | 6.1 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (30) | 0.62 ppb (7) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| May 19, 2019, 7 p.m. | N/A | 6.3 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (32) | 0.62 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 19, 2019, 6 p.m. | N/A | 6.4 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 43.0 ppb (33) | 0.62 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 19, 2019, 5 p.m. | N/A | 6.1 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 41.0 ppb (32) | 0.62 ppb (7) | N/A | 7.0 μg/m3 (29) | 32.0 | |
| May 19, 2019, 4 p.m. | N/A | 6.0 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (32) | 0.6 ppb (7) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| May 19, 2019, 3 p.m. | N/A | 5.8 ppb (5) | N/A | 3.0 ppb (3) | N/A | N/A | 42.0 ppb (32) | 0.62 ppb (7) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| May 19, 2019, 2 p.m. | N/A | 6.0 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 41.0 ppb (32) | 0.61 ppb (7) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| May 19, 2019, 1 p.m. | N/A | 5.8 ppb (5) | N/A | 7.0 ppb (6) | N/A | N/A | 35.0 ppb (27) | 0.66 ppb (7) | N/A | 23.0 μg/m3 (73) | 73.0 | |
| May 19, 2019, noon | N/A | 6.0 ppb (6) | N/A | 10.0 ppb (9) | N/A | N/A | 31.0 ppb (24) | 0.69 ppb (8) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| May 19, 2019, 11 a.m. | N/A | 5.9 ppb (5) | N/A | 2.0 ppb (2) | N/A | N/A | 47.0 ppb (36) | 0.62 ppb (7) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| May 19, 2019, 10 a.m. | N/A | 5.8 ppb (5) | N/A | 2.0 ppb (2) | N/A | N/A | 45.0 ppb (35) | 0.62 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 19, 2019, 9 a.m. | N/A | 6.1 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 47.0 ppb (36) | 0.63 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 19, 2019, 8 a.m. | N/A | 5.9 ppb (5) | N/A | 3.0 ppb (3) | N/A | N/A | 50.0 ppb (38) | 0.63 ppb (7) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| May 19, 2019, 7 a.m. | N/A | 5.9 ppb (5) | N/A | 6.0 ppb (6) | N/A | N/A | 45.0 ppb (35) | 0.67 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| May 19, 2019, 6 a.m. | N/A | 5.7 ppb (5) | N/A | 5.0 ppb (5) | N/A | N/A | 49.0 ppb (38) | 0.66 ppb (7) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| May 19, 2019, 5 a.m. | N/A | 6.0 ppb (6) | N/A | 6.0 ppb (6) | N/A | N/A | 48.0 ppb (37) | 0.69 ppb (8) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| May 19, 2019, 4 a.m. | N/A | 6.1 ppb (6) | N/A | 6.0 ppb (6) | N/A | N/A | 54.0 ppb (42) | 0.7 ppb (8) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| May 19, 2019, 3 a.m. | N/A | 6.1 ppb (6) | N/A | 9.0 ppb (8) | N/A | N/A | 56.0 ppb (43) | 0.72 ppb (8) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| May 19, 2019, 2 a.m. | N/A | 6.4 ppb (6) | N/A | 9.0 ppb (8) | N/A | N/A | 53.0 ppb (41) | 0.71 ppb (8) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| May 19, 2019, 1 a.m. | N/A | 6.3 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 60.0 ppb (46) | 0.67 ppb (7) | N/A | 7.0 μg/m3 (29) | 46.0 | |
| May 19, 2019, midnight | N/A | 6.5 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 57.0 ppb (44) | 0.64 ppb (7) | N/A | 9.0 μg/m3 (38) | 44.0 | |
| May 18, 2019, 11 p.m. | N/A | 6.8 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 60.0 ppb (46) | 0.67 ppb (7) | N/A | 8.0 μg/m3 (33) | 46.0 | |
| May 18, 2019, 10 p.m. | N/A | 7.3 ppb (7) | N/A | 5.0 ppb (5) | N/A | N/A | 59.0 ppb (45) | 0.67 ppb (7) | N/A | 9.0 μg/m3 (38) | 45.0 | |
| May 18, 2019, 9 p.m. | N/A | 7.3 ppb (7) | N/A | 7.0 ppb (6) | N/A | N/A | 60.0 ppb (46) | 0.7 ppb (8) | N/A | 8.0 μg/m3 (33) | 46.0 |