Phoenix (Alahambra) AZ, US: 33.503601, -112.095001
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 14, 2021, 9 p.m. | N/A | 0.4 ppb (1) | 6.0 ppb (6) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 73.0 ppb (103) | 0.2 ppb (3) | 29.0 μg/m3 (27) | 7.0 μg/m3 (30) | 103.0 | |
| May 14, 2021, 8 p.m. | N/A | 0.8 ppb (1) | 9.1 ppb (9) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 75.0 ppb (104) | 0.23 ppb (3) | 31.0 μg/m3 (29) | 11.0 μg/m3 (46) | 104.0 | |
| May 14, 2021, 7 p.m. | N/A | 2.1 ppb (2) | 15.3 ppb (15) | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 67.0 ppb (91) | 0.28 ppb (4) | 38.0 μg/m3 (36) | 13.0 μg/m3 (53) | 91.0 | |
| May 14, 2021, 6 p.m. | N/A | 1.4 ppb (2) | 9.4 ppb (9) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 62.0 ppb (74) | 0.28 ppb (4) | 39.0 μg/m3 (37) | 8.0 μg/m3 (34) | 74.0 | |
| May 14, 2021, 5 p.m. | N/A | 1.5 ppb (2) | 9.5 ppb (9) | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 57.0 ppb (58) | 0.27 ppb (4) | 34.0 μg/m3 (32) | 9.0 μg/m3 (38) | 58.0 | |
| May 14, 2021, 4 p.m. | N/A | 2.7 ppb (3) | 12.1 ppb (12) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 48.0 ppb (45) | 0.27 ppb (4) | 40.0 μg/m3 (38) | 9.0 μg/m3 (38) | 45.0 | |
| May 14, 2021, 3 p.m. | N/A | 2.7 ppb (3) | 11.2 ppb (11) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.27 ppb (4) | 41.0 μg/m3 (38) | 12.0 μg/m3 (50) | 50.0 | |
| May 14, 2021, 2 p.m. | N/A | 1.9 ppb (2) | 9.8 ppb (10) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.27 ppb (4) | 42.0 μg/m3 (39) | 12.0 μg/m3 (50) | 50.0 | |
| May 14, 2021, 1 p.m. | N/A | 1.5 ppb (2) | 12.7 ppb (12) | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.32 ppb (4) | 47.0 μg/m3 (44) | 13.0 μg/m3 (53) | 53.0 | |
| May 14, 2021, noon | N/A | 0.4 ppb (1) | 16.1 ppb (16) | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.36 ppb (5) | 36.0 μg/m3 (34) | 12.0 μg/m3 (50) | 50.0 | |
| May 14, 2021, 11 a.m. | N/A | 1.3 ppb (2) | 22.3 ppb (22) | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 12.0 ppb (12) | 0.43 ppb (5) | 30.0 μg/m3 (28) | 14.0 μg/m3 (55) | 55.0 | |
| May 14, 2021, 10 a.m. | N/A | 0.7 ppb (1) | 26.3 ppb (25) | 23.0 ppb (22) | N/A | 0.0 ppb (0) | 7.0 ppb (7) | 0.52 ppb (6) | 30.0 μg/m3 (28) | 12.0 μg/m3 (50) | 50.0 | |
| May 14, 2021, 9 a.m. | N/A | 1.8 ppb (2) | 31.3 ppb (30) | 25.0 ppb (24) | N/A | 0.0 ppb (0) | 7.0 ppb (7) | 0.58 ppb (7) | 39.0 μg/m3 (37) | 14.0 μg/m3 (55) | 55.0 | |
| May 14, 2021, 8 a.m. | N/A | 2.2 ppb (3) | 34.2 ppb (33) | 30.0 ppb (29) | N/A | 0.0 ppb (0) | 5.0 ppb (5) | 0.68 ppb (8) | 38.0 μg/m3 (36) | 12.0 μg/m3 (50) | 50.0 | |
| May 14, 2021, 7 a.m. | N/A | 0.9 ppb (1) | 33.9 ppb (32) | 31.0 ppb (30) | N/A | 0.0 ppb (0) | 9.0 ppb (9) | 0.6 ppb (7) | 44.0 μg/m3 (41) | 14.0 μg/m3 (55) | 55.0 | |
| May 14, 2021, 6 a.m. | N/A | 2.3 ppb (3) | 36.6 ppb (35) | 33.0 ppb (32) | N/A | 0.0 ppb (0) | 10.0 ppb (10) | 0.64 ppb (7) | 35.0 μg/m3 (33) | 14.0 μg/m3 (55) | 55.0 | |
| May 14, 2021, 5 a.m. | N/A | 0.8 ppb (1) | 30.1 ppb (29) | 31.0 ppb (30) | N/A | 0.0 ppb (0) | 15.0 ppb (14) | 0.56 ppb (7) | 39.0 μg/m3 (37) | 14.0 μg/m3 (55) | 55.0 | |
| May 14, 2021, 4 a.m. | N/A | 0.0 ppb (0) | 24.7 ppb (24) | 24.0 ppb (23) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.47 ppb (6) | 44.0 μg/m3 (41) | 12.0 μg/m3 (50) | 50.0 | |
| May 14, 2021, 3 a.m. | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 22.0 ppb (21) | N/A | 0.0 ppb (0) | N/A | 0.48 ppb (6) | 39.0 μg/m3 (37) | 11.0 μg/m3 (46) | 46.0 | |
| May 14, 2021, 2 a.m. | N/A | 0.0 ppb (0) | 7.0 ppb (7) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | 0.32 ppb (4) | 28.0 μg/m3 (26) | 12.0 μg/m3 (50) | 50.0 | |
| May 14, 2021, 1 a.m. | N/A | 0.0 ppb (0) | 3.0 ppb (3) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 61.0 ppb (71) | 0.24 ppb (3) | 30.0 μg/m3 (28) | 7.0 μg/m3 (30) | 71.0 | |
| May 14, 2021, midnight | N/A | 0.2 ppb (1) | 3.9 ppb (4) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 69.0 ppb (97) | 0.27 ppb (4) | 28.0 μg/m3 (26) | 8.0 μg/m3 (34) | 97.0 | |
| May 13, 2021, 11 p.m. | N/A | 0.2 ppb (1) | 4.5 ppb (5) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 75.0 ppb (104) | 0.23 ppb (3) | 31.0 μg/m3 (29) | 9.0 μg/m3 (38) | 104.0 | |
| May 13, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (23) | 8.0 μg/m3 (34) | 34.0 | |
| May 13, 2021, 9 p.m. | N/A | 0.4 ppb (1) | 5.5 ppb (6) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 80.0 ppb (106) | 0.24 ppb (3) | 29.0 μg/m3 (27) | 7.0 μg/m3 (30) | 106.0 | |
| May 13, 2021, 8 p.m. | N/A | 0.5 ppb (1) | 7.1 ppb (7) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 82.0 ppb (107) | 0.28 ppb (4) | 30.0 μg/m3 (28) | 7.0 μg/m3 (30) | 107.0 | |
| May 13, 2021, 7 p.m. | N/A | 1.4 ppb (2) | 10.7 ppb (11) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 71.0 ppb (101) | 0.27 ppb (4) | 31.0 μg/m3 (29) | 9.0 μg/m3 (38) | 101.0 | |
| May 13, 2021, 6 p.m. | N/A | 3.1 ppb (3) | 15.1 ppb (15) | 10.0 ppb (10) | N/A | 1.0 ppb (2) | 56.0 ppb (55) | 0.24 ppb (3) | 30.0 μg/m3 (28) | 6.0 μg/m3 (25) | 55.0 | |
| May 13, 2021, 5 p.m. | N/A | 2.4 ppb (3) | 11.8 ppb (12) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 49.0 ppb (46) | 0.24 ppb (3) | 31.0 μg/m3 (29) | 8.0 μg/m3 (34) | 46.0 | |
| May 13, 2021, 4 p.m. | N/A | 3.1 ppb (3) | 12.9 ppb (13) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.29 ppb (4) | 33.0 μg/m3 (31) | 12.0 μg/m3 (50) | 50.0 | |
| May 13, 2021, 3 p.m. | N/A | 3.0 ppb (3) | 12.1 ppb (12) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.26 ppb (4) | 39.0 μg/m3 (37) | 9.0 μg/m3 (38) | 38.0 | |
| May 13, 2021, 2 p.m. | N/A | 5.4 ppb (6) | 18.8 ppb (18) | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.33 ppb (4) | 44.0 μg/m3 (41) | 12.0 μg/m3 (50) | 50.0 | |
| May 13, 2021, 1 p.m. | N/A | 1.2 ppb (2) | 12.3 ppb (12) | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.3 ppb (4) | 38.0 μg/m3 (36) | 11.0 μg/m3 (46) | 46.0 | |
| May 13, 2021, noon | N/A | 0.1 ppb (1) | 13.3 ppb (13) | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.29 ppb (4) | 35.0 μg/m3 (33) | 11.0 μg/m3 (46) | 46.0 | |
| May 13, 2021, 11 a.m. | N/A | 0.1 ppb (1) | 11.8 ppb (12) | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 0.25 ppb (3) | 23.0 μg/m3 (22) | 11.0 μg/m3 (46) | 46.0 | |
| May 13, 2021, 10 a.m. | N/A | 0.2 ppb (1) | 12.5 ppb (12) | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 0.25 ppb (3) | 29.0 μg/m3 (27) | 11.0 μg/m3 (46) | 46.0 | |
| May 13, 2021, 9 a.m. | N/A | 0.0 ppb (0) | 10.0 ppb (10) | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 22.0 ppb (21) | 0.25 ppb (3) | 25.0 μg/m3 (24) | 12.0 μg/m3 (50) | 50.0 | |
| May 13, 2021, 8 a.m. | N/A | 0.0 ppb (0) | 9.6 ppb (10) | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.26 ppb (4) | 28.0 μg/m3 (26) | 9.0 μg/m3 (38) | 38.0 | |
| May 13, 2021, 7 a.m. | N/A | 0.0 ppb (0) | 9.1 ppb (9) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.22 ppb (3) | 30.0 μg/m3 (28) | 9.0 μg/m3 (38) | 38.0 | |
| May 13, 2021, 6 a.m. | N/A | 1.5 ppb (2) | 32.4 ppb (31) | 25.0 ppb (24) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.42 ppb (5) | 38.0 μg/m3 (36) | 12.0 μg/m3 (50) | 50.0 | |
| May 13, 2021, 5 a.m. | N/A | 0.9 ppb (1) | 38.5 ppb (37) | 36.0 ppb (34) | N/A | 0.0 ppb (0) | 9.0 ppb (9) | 0.66 ppb (8) | 39.0 μg/m3 (37) | 12.0 μg/m3 (50) | 50.0 | |
| May 13, 2021, 4 a.m. | N/A | 0.8 ppb (1) | 31.9 ppb (31) | 38.0 ppb (36) | N/A | 0.0 ppb (0) | N/A | 0.58 ppb (7) | 45.0 μg/m3 (42) | 8.0 μg/m3 (34) | 42.0 | |
| May 13, 2021, 3 a.m. | N/A | 0.0 ppb (0) | 18.7 ppb (18) | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.34 ppb (4) | 35.0 μg/m3 (33) | 7.0 μg/m3 (30) | 37.0 | |
| May 13, 2021, 2 a.m. | N/A | 0.0 ppb (0) | 8.9 ppb (9) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 57.0 ppb (58) | 0.25 ppb (3) | 28.0 μg/m3 (26) | 9.0 μg/m3 (38) | 58.0 | |
| May 13, 2021, 1 a.m. | N/A | 0.1 ppb (1) | 6.4 ppb (7) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 70.0 ppb (100) | 0.22 ppb (3) | 28.0 μg/m3 (26) | 6.0 μg/m3 (25) | 100.0 | |
| May 13, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (19) | 3.0 μg/m3 (13) | 19.0 | |
| May 12, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (22) | 3.0 μg/m3 (13) | 22.0 | |
| May 12, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 5.0 μg/m3 (21) | 25.0 | |
| May 12, 2021, 9 p.m. | N/A | 0.4 ppb (1) | 5.0 ppb (5) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 80.0 ppb (106) | 0.21 ppb (3) | 30.0 μg/m3 (28) | 6.0 μg/m3 (25) | 106.0 | |
| May 12, 2021, 8 p.m. | N/A | 0.7 ppb (1) | 7.3 ppb (7) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 75.0 ppb (104) | 0.22 ppb (3) | 25.0 μg/m3 (24) | 6.0 μg/m3 (25) | 104.0 | |
| May 12, 2021, 7 p.m. | N/A | 1.1 ppb (2) | 9.1 ppb (9) | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 67.0 ppb (91) | 0.21 ppb (3) | 30.0 μg/m3 (28) | 9.0 μg/m3 (38) | 91.0 | |
| May 12, 2021, 6 p.m. | N/A | 0.8 ppb (1) | 6.3 ppb (6) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 65.0 ppb (84) | 0.2 ppb (3) | 30.0 μg/m3 (28) | 8.0 μg/m3 (34) | 84.0 | |
| May 12, 2021, 5 p.m. | N/A | 1.0 ppb (1) | 6.2 ppb (6) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 62.0 ppb (74) | 0.18 ppb (3) | 31.0 μg/m3 (29) | 8.0 μg/m3 (34) | 74.0 | |
| May 12, 2021, 4 p.m. | N/A | 2.5 ppb (3) | 11.8 ppb (12) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | 0.23 ppb (3) | 42.0 μg/m3 (39) | 11.0 μg/m3 (46) | 48.0 | |
| May 12, 2021, 3 p.m. | N/A | 2.6 ppb (3) | 12.1 ppb (12) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.24 ppb (3) | 44.0 μg/m3 (41) | 6.0 μg/m3 (25) | 41.0 | |
| May 12, 2021, 2 p.m. | N/A | 3.9 ppb (4) | 18.8 ppb (18) | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.29 ppb (4) | 47.0 μg/m3 (44) | 11.0 μg/m3 (46) | 46.0 | |
| May 12, 2021, 1 p.m. | N/A | 0.1 ppb (1) | 12.9 ppb (13) | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 30.0 ppb (28) | 0.3 ppb (4) | 36.0 μg/m3 (34) | 12.0 μg/m3 (50) | 50.0 | |
| May 12, 2021, noon | N/A | 0.1 ppb (1) | 15.1 ppb (15) | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.3 ppb (4) | 31.0 μg/m3 (29) | 12.0 μg/m3 (50) | 50.0 | |
| May 12, 2021, 11 a.m. | N/A | 0.3 ppb (1) | 24.3 ppb (23) | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 13.0 ppb (13) | 0.46 ppb (6) | 35.0 μg/m3 (33) | 19.0 μg/m3 (66) | 66.0 | |
| May 12, 2021, 10 a.m. | N/A | 0.9 ppb (1) | 30.4 ppb (29) | 26.0 ppb (25) | N/A | 0.0 ppb (0) | 8.0 ppb (8) | 0.58 ppb (7) | 39.0 μg/m3 (37) | 18.0 μg/m3 (64) | 64.0 | |
| May 12, 2021, 9 a.m. | N/A | 2.0 ppb (2) | 40.7 ppb (39) | 31.0 ppb (30) | N/A | 0.0 ppb (0) | 6.0 ppb (6) | 0.65 ppb (8) | 36.0 μg/m3 (34) | 13.0 μg/m3 (53) | 53.0 | |
| May 12, 2021, 8 a.m. | N/A | 0.8 ppb (1) | 33.2 ppb (32) | 29.0 ppb (28) | N/A | 0.0 ppb (0) | 9.0 ppb (9) | 0.66 ppb (8) | 39.0 μg/m3 (37) | 16.0 μg/m3 (60) | 60.0 | |
| May 12, 2021, 7 a.m. | N/A | 0.8 ppb (1) | 32.1 ppb (31) | 29.0 ppb (28) | N/A | 0.0 ppb (0) | 10.0 ppb (10) | 0.65 ppb (8) | 40.0 μg/m3 (38) | 20.0 μg/m3 (68) | 68.0 | |
| May 12, 2021, 6 a.m. | N/A | 2.7 ppb (3) | 41.1 ppb (39) | 35.0 ppb (34) | N/A | 0.0 ppb (0) | 8.0 ppb (8) | 0.72 ppb (8) | 45.0 μg/m3 (42) | 18.0 μg/m3 (64) | 64.0 | |
| May 12, 2021, 5 a.m. | N/A | 3.4 ppb (4) | 45.9 ppb (44) | 39.0 ppb (37) | N/A | 0.0 ppb (0) | 8.0 ppb (8) | 0.75 ppb (10) | 48.0 μg/m3 (45) | 18.0 μg/m3 (64) | 64.0 | |
| May 12, 2021, 4 a.m. | N/A | 0.5 ppb (1) | 34.5 ppb (33) | 41.0 ppb (39) | N/A | 0.0 ppb (0) | 14.0 ppb (13) | 0.67 ppb (8) | 44.0 μg/m3 (41) | 12.0 μg/m3 (50) | 50.0 | |
| May 12, 2021, 3 a.m. | N/A | 0.0 ppb (0) | 20.1 ppb (19) | 27.0 ppb (26) | N/A | 0.0 ppb (0) | N/A | 0.53 ppb (6) | 41.0 μg/m3 (38) | 13.0 μg/m3 (53) | 53.0 | |
| May 12, 2021, 2 a.m. | N/A | 0.0 ppb (0) | 7.8 ppb (8) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 61.0 ppb (71) | 0.27 ppb (4) | 34.0 μg/m3 (32) | 11.0 μg/m3 (46) | 71.0 | |
| May 12, 2021, 1 a.m. | N/A | 0.2 ppb (1) | 4.6 ppb (5) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 72.0 ppb (102) | 0.2 ppb (3) | 38.0 μg/m3 (36) | 9.0 μg/m3 (38) | 102.0 | |
| May 12, 2021, midnight | N/A | 0.1 ppb (1) | 3.3 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | N/A | 0.19 ppb (3) | 23.0 μg/m3 (22) | 6.0 μg/m3 (25) | 25.0 | |
| May 11, 2021, 11 p.m. | N/A | 0.1 ppb (1) | 2.3 ppb (3) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 71.0 ppb (101) | 0.2 ppb (3) | 20.0 μg/m3 (19) | 6.0 μg/m3 (25) | 101.0 | |
| May 11, 2021, 10 p.m. | N/A | 0.3 ppb (1) | 2.4 ppb (3) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | N/A | 0.2 ppb (3) | 23.0 μg/m3 (22) | 6.0 μg/m3 (25) | 25.0 | |
| May 11, 2021, 9 p.m. | N/A | 0.4 ppb (1) | 2.9 ppb (3) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 70.0 ppb (100) | 0.21 ppb (3) | 23.0 μg/m3 (22) | 9.0 μg/m3 (38) | 100.0 | |
| May 11, 2021, 8 p.m. | N/A | 0.9 ppb (1) | 4.8 ppb (5) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 69.0 ppb (97) | 0.19 ppb (3) | 30.0 μg/m3 (28) | 8.0 μg/m3 (34) | 97.0 | |
| May 11, 2021, 7 p.m. | N/A | 2.6 ppb (3) | 9.8 ppb (10) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 66.0 ppb (87) | 0.26 ppb (4) | 29.0 μg/m3 (27) | 5.0 μg/m3 (21) | 87.0 | |
| May 11, 2021, 6 p.m. | N/A | 1.6 ppb (2) | 8.4 ppb (8) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 59.0 ppb (65) | 0.23 ppb (3) | 25.0 μg/m3 (24) | 3.0 μg/m3 (13) | 65.0 | |
| May 11, 2021, 5 p.m. | N/A | 3.6 ppb (4) | 15.0 ppb (15) | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | 0.24 ppb (3) | 28.0 μg/m3 (26) | 7.0 μg/m3 (30) | 49.0 | |
| May 11, 2021, 4 p.m. | N/A | 2.1 ppb (2) | 8.7 ppb (9) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 47.0 ppb (44) | 0.27 ppb (4) | 44.0 μg/m3 (41) | 12.0 μg/m3 (50) | 50.0 | |
| May 11, 2021, 3 p.m. | N/A | 2.0 ppb (2) | 8.8 ppb (9) | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 45.0 ppb (42) | 0.29 ppb (4) | 47.0 μg/m3 (44) | 6.0 μg/m3 (25) | 44.0 | |
| May 11, 2021, 2 p.m. | N/A | 4.0 ppb (4) | 14.5 ppb (14) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.27 ppb (4) | 25.0 μg/m3 (24) | 6.0 μg/m3 (25) | 38.0 | |
| May 11, 2021, 1 p.m. | N/A | 8.4 ppb (8) | 29.6 ppb (28) | 19.0 ppb (18) | N/A | 0.0 ppb (0) | 16.0 ppb (15) | 0.4 ppb (5) | 42.0 μg/m3 (39) | 8.0 μg/m3 (34) | 39.0 | |
| May 11, 2021, noon | N/A | 9.3 ppb (9) | 23.3 ppb (22) | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 19.0 ppb (18) | 0.29 ppb (4) | 31.0 μg/m3 (29) | 9.0 μg/m3 (38) | 38.0 | |
| May 11, 2021, 11 a.m. | N/A | 0.0 ppb (0) | 9.4 ppb (9) | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.25 ppb (3) | 22.0 μg/m3 (21) | 6.0 μg/m3 (25) | 25.0 | |
| May 11, 2021, 10 a.m. | N/A | 0.0 ppb (0) | 7.9 ppb (8) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.25 ppb (3) | 27.0 μg/m3 (25) | 5.0 μg/m3 (21) | 25.0 | |
| May 11, 2021, 9 a.m. | N/A | 0.2 ppb (1) | 9.6 ppb (10) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 29.0 ppb (27) | 0.26 ppb (4) | 27.0 μg/m3 (25) | 6.0 μg/m3 (25) | 27.0 | |
| May 11, 2021, 8 a.m. | N/A | 0.0 ppb (0) | 6.8 ppb (7) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.23 ppb (3) | 19.0 μg/m3 (18) | 8.0 μg/m3 (34) | 34.0 | |
| May 11, 2021, 7 a.m. | N/A | 0.0 ppb (0) | 8.6 ppb (9) | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.22 ppb (3) | 17.0 μg/m3 (16) | 8.0 μg/m3 (34) | 39.0 | |
| May 11, 2021, 6 a.m. | N/A | 0.0 ppb (0) | 13.0 ppb (13) | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.25 ppb (3) | 23.0 μg/m3 (22) | 11.0 μg/m3 (46) | 46.0 | |
| May 11, 2021, 5 a.m. | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.3 ppb (4) | 29.0 μg/m3 (27) | 6.0 μg/m3 (25) | 35.0 | |
| May 11, 2021, 4 a.m. | N/A | 0.0 ppb (0) | 15.1 ppb (15) | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.31 ppb (4) | 29.0 μg/m3 (27) | 5.0 μg/m3 (21) | 32.0 | |
| May 11, 2021, 3 a.m. | N/A | 0.0 ppb (0) | 10.2 ppb (10) | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.26 ppb (4) | 30.0 μg/m3 (28) | 7.0 μg/m3 (30) | 39.0 | |
| May 11, 2021, 2 a.m. | N/A | 0.0 ppb (0) | 5.4 ppb (6) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | 0.2 ppb (3) | 31.0 μg/m3 (29) | 6.0 μg/m3 (25) | 48.0 | |
| May 11, 2021, 1 a.m. | N/A | 0.1 ppb (1) | 3.4 ppb (4) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 57.0 ppb (58) | 0.16 ppb (3) | 18.0 μg/m3 (17) | 6.0 μg/m3 (25) | 58.0 | |
| May 11, 2021, midnight | N/A | 0.2 ppb (1) | 3.1 ppb (3) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 62.0 ppb (74) | 0.17 ppb (3) | 20.0 μg/m3 (19) | 7.0 μg/m3 (30) | 74.0 | |
| May 10, 2021, 11 p.m. | N/A | 0.3 ppb (1) | 3.0 ppb (3) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 63.0 ppb (78) | 0.15 ppb (2) | 24.0 μg/m3 (23) | 3.0 μg/m3 (13) | 78.0 | |
| May 10, 2021, 10 p.m. | N/A | 0.3 ppb (1) | 3.0 ppb (3) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 65.0 ppb (84) | 0.14 ppb (2) | 19.0 μg/m3 (18) | 1.0 μg/m3 (5) | 84.0 | |
| May 10, 2021, 9 p.m. | N/A | 0.3 ppb (1) | 2.9 ppb (3) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 67.0 ppb (91) | 0.14 ppb (2) | 19.0 μg/m3 (18) | 1.0 μg/m3 (5) | 91.0 | |
| May 10, 2021, 8 p.m. | N/A | 0.4 ppb (1) | 3.5 ppb (4) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 65.0 ppb (84) | 0.16 ppb (3) | 16.0 μg/m3 (15) | 5.0 μg/m3 (21) | 84.0 | |
| May 10, 2021, 7 p.m. | N/A | 0.5 ppb (1) | 3.7 ppb (4) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 62.0 ppb (74) | 0.14 ppb (2) | 14.0 μg/m3 (13) | 6.0 μg/m3 (25) | 74.0 | |
| May 10, 2021, 6 p.m. | N/A | 1.2 ppb (2) | 5.9 ppb (6) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 58.0 ppb (61) | 0.15 ppb (2) | 16.0 μg/m3 (15) | 3.0 μg/m3 (13) | 61.0 | |
| May 10, 2021, 5 p.m. | N/A | 1.8 ppb (2) | 8.0 ppb (8) | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | 0.18 ppb (3) | 20.0 μg/m3 (19) | 3.0 μg/m3 (13) | 49.0 | |
| May 10, 2021, 4 p.m. | N/A | 2.5 ppb (3) | 11.2 ppb (11) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 48.0 ppb (45) | 0.2 ppb (3) | 27.0 μg/m3 (25) | 5.0 μg/m3 (21) | 45.0 | |
| May 10, 2021, 3 p.m. | N/A | 2.2 ppb (3) | 10.0 ppb (10) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 45.0 ppb (42) | 0.24 ppb (3) | 33.0 μg/m3 (31) | 6.0 μg/m3 (25) | 42.0 | |
| May 10, 2021, 2 p.m. | N/A | 1.3 ppb (2) | 7.7 ppb (8) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.23 ppb (3) | 27.0 μg/m3 (25) | 6.0 μg/m3 (25) | 40.0 | |
| May 10, 2021, 1 p.m. | N/A | 0.0 ppb (0) | 5.5 ppb (6) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.2 ppb (3) | 25.0 μg/m3 (24) | 8.0 μg/m3 (34) | 38.0 | |
| May 10, 2021, noon | N/A | 0.0 ppb (0) | 5.6 ppb (6) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.21 ppb (3) | 24.0 μg/m3 (23) | 7.0 μg/m3 (30) | 35.0 | |
| May 10, 2021, 11 a.m. | N/A | 0.1 ppb (1) | 6.1 ppb (6) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.19 ppb (3) | 19.0 μg/m3 (18) | 6.0 μg/m3 (25) | 31.0 | |
| May 10, 2021, 10 a.m. | N/A | 0.0 ppb (0) | 6.0 ppb (6) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.21 ppb (3) | 24.0 μg/m3 (23) | 5.0 μg/m3 (21) | 31.0 | |
| May 10, 2021, 9 a.m. | N/A | 0.0 ppb (0) | 4.7 ppb (5) | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.21 ppb (3) | 20.0 μg/m3 (19) | 5.0 μg/m3 (21) | 32.0 | |
| May 10, 2021, 8 a.m. | N/A | 0.0 ppb (0) | 4.7 ppb (5) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.22 ppb (3) | 18.0 μg/m3 (17) | 8.0 μg/m3 (34) | 34.0 | |
| May 10, 2021, 7 a.m. | N/A | 0.0 ppb (0) | 8.7 ppb (9) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.21 ppb (3) | 20.0 μg/m3 (19) | 8.0 μg/m3 (34) | 39.0 | |
| May 10, 2021, 6 a.m. | N/A | 0.0 ppb (0) | 11.2 ppb (11) | 11.0 ppb (11) | N/A | 0.0 ppb (0) | 39.0 ppb (37) | 0.25 ppb (3) | 24.0 μg/m3 (23) | 11.0 μg/m3 (46) | 46.0 | |
| May 10, 2021, 5 a.m. | N/A | 0.0 ppb (0) | 6.7 ppb (7) | 7.0 ppb (7) | N/A | 0.0 ppb (0) | N/A | 0.23 ppb (3) | 25.0 μg/m3 (24) | 8.0 μg/m3 (34) | 34.0 | |
| May 10, 2021, 4 a.m. | N/A | 0.0 ppb (0) | 8.0 ppb (8) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 44.0 ppb (41) | 0.22 ppb (3) | 34.0 μg/m3 (32) | 6.0 μg/m3 (25) | 41.0 | |
| May 10, 2021, 3 a.m. | N/A | 0.0 ppb (0) | 12.3 ppb (12) | 12.0 ppb (12) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | 0.31 ppb (4) | 22.0 μg/m3 (21) | 8.0 μg/m3 (34) | 38.0 | |
| May 10, 2021, 2 a.m. | N/A | 0.0 ppb (0) | 4.3 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 52.0 ppb (49) | 0.22 ppb (3) | 24.0 μg/m3 (23) | 8.0 μg/m3 (34) | 49.0 | |
| May 10, 2021, 1 a.m. | N/A | 0.1 ppb (1) | 2.1 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 58.0 ppb (61) | 0.16 ppb (3) | 20.0 μg/m3 (19) | 7.0 μg/m3 (30) | 61.0 | |
| May 10, 2021, midnight | N/A | 0.1 ppb (1) | 1.8 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 61.0 ppb (71) | 0.18 ppb (3) | 20.0 μg/m3 (19) | 7.0 μg/m3 (30) | 71.0 | |
| May 9, 2021, 11 p.m. | N/A | 0.1 ppb (1) | 1.8 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | N/A | 0.14 ppb (2) | 22.0 μg/m3 (21) | 3.0 μg/m3 (13) | 21.0 | |
| May 9, 2021, 10 p.m. | N/A | 0.1 ppb (1) | 1.7 ppb (2) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 62.0 ppb (74) | 0.15 ppb (2) | 16.0 μg/m3 (15) | 3.0 μg/m3 (13) | 74.0 | |
| May 9, 2021, 9 p.m. | N/A | 0.2 ppb (1) | 2.9 ppb (3) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 63.0 ppb (78) | 0.13 ppb (2) | 17.0 μg/m3 (16) | 5.0 μg/m3 (21) | 78.0 | |
| May 9, 2021, 8 p.m. | N/A | 0.2 ppb (1) | 3.5 ppb (4) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 64.0 ppb (81) | 0.18 ppb (3) | 18.0 μg/m3 (17) | 6.0 μg/m3 (25) | 81.0 | |
| May 9, 2021, 7 p.m. | N/A | 0.3 ppb (1) | 3.9 ppb (4) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 63.0 ppb (78) | 0.15 ppb (2) | 17.0 μg/m3 (16) | 3.0 μg/m3 (13) | 78.0 | |
| May 9, 2021, 6 p.m. | N/A | 1.2 ppb (2) | 7.8 ppb (8) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 60.0 ppb (68) | 0.19 ppb (3) | 16.0 μg/m3 (15) | 3.0 μg/m3 (13) | 68.0 | |
| May 9, 2021, 5 p.m. | N/A | 1.0 ppb (1) | 5.7 ppb (6) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 53.0 ppb (50) | 0.2 ppb (3) | 27.0 μg/m3 (25) | 5.0 μg/m3 (21) | 50.0 | |
| May 9, 2021, 4 p.m. | N/A | 1.7 ppb (2) | 7.3 ppb (7) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 43.0 ppb (40) | 0.19 ppb (3) | 24.0 μg/m3 (23) | 6.0 μg/m3 (25) | 40.0 | |
| May 9, 2021, 3 p.m. | N/A | 0.7 ppb (1) | 3.1 ppb (3) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.2 ppb (3) | 20.0 μg/m3 (19) | 6.0 μg/m3 (25) | 38.0 | |
| May 9, 2021, 2 p.m. | N/A | 0.6 ppb (1) | 3.7 ppb (4) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 36.0 ppb (34) | 0.22 ppb (3) | 23.0 μg/m3 (22) | 8.0 μg/m3 (34) | 34.0 | |
| May 9, 2021, 1 p.m. | N/A | 0.6 ppb (1) | 9.5 ppb (9) | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.28 ppb (4) | 24.0 μg/m3 (23) | 12.0 μg/m3 (50) | 50.0 | |
| May 9, 2021, noon | N/A | 0.0 ppb (0) | 7.4 ppb (7) | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 20.0 ppb (19) | 0.3 ppb (4) | 18.0 μg/m3 (17) | 9.0 μg/m3 (38) | 38.0 | |
| May 9, 2021, 11 a.m. | N/A | 0.0 ppb (0) | 6.8 ppb (7) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 25.0 ppb (24) | 0.25 ppb (3) | 23.0 μg/m3 (22) | 7.0 μg/m3 (30) | 30.0 | |
| May 9, 2021, 10 a.m. | N/A | 0.3 ppb (1) | 12.8 ppb (13) | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 27.0 ppb (25) | 0.29 ppb (4) | 25.0 μg/m3 (24) | 8.0 μg/m3 (34) | 34.0 | |
| May 9, 2021, 9 a.m. | N/A | 0.7 ppb (1) | 18.3 ppb (18) | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 21.0 ppb (20) | 0.34 ppb (4) | 79.0 μg/m3 (63) | 11.0 μg/m3 (46) | 63.0 | |
| May 9, 2021, 8 a.m. | N/A | 1.8 ppb (2) | 18.5 ppb (18) | 17.0 ppb (17) | N/A | 0.0 ppb (0) | 18.0 ppb (17) | 0.4 ppb (5) | 25.0 μg/m3 (24) | 9.0 μg/m3 (38) | 38.0 | |
| May 9, 2021, 7 a.m. | N/A | 0.1 ppb (1) | 12.5 ppb (12) | 9.0 ppb (9) | N/A | 0.0 ppb (0) | 38.0 ppb (36) | 0.29 ppb (4) | 24.0 μg/m3 (23) | 7.0 μg/m3 (30) | 36.0 | |
| May 9, 2021, 6 a.m. | N/A | 0.0 ppb (0) | 18.6 ppb (18) | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 31.0 ppb (29) | 0.39 ppb (5) | 30.0 μg/m3 (28) | 6.0 μg/m3 (25) | 29.0 | |
| May 9, 2021, 5 a.m. | N/A | 0.2 ppb (1) | 21.4 ppb (21) | 24.0 ppb (23) | N/A | 0.0 ppb (0) | 24.0 ppb (23) | 0.46 ppb (6) | 29.0 μg/m3 (27) | 8.0 μg/m3 (34) | 34.0 | |
| May 9, 2021, 4 a.m. | N/A | 0.0 ppb (0) | 18.4 ppb (18) | 20.0 ppb (19) | N/A | 0.0 ppb (0) | 26.0 ppb (25) | 0.44 ppb (5) | 29.0 μg/m3 (27) | 8.0 μg/m3 (34) | 34.0 | |
| May 9, 2021, 3 a.m. | N/A | 0.0 ppb (0) | 10.7 ppb (11) | 14.0 ppb (14) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.33 ppb (4) | 33.0 μg/m3 (31) | 6.0 μg/m3 (25) | 35.0 | |
| May 9, 2021, 2 a.m. | N/A | 0.0 ppb (0) | 4.9 ppb (5) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 47.0 ppb (44) | 0.25 ppb (3) | 16.0 μg/m3 (15) | 6.0 μg/m3 (25) | 44.0 | |
| May 9, 2021, 1 a.m. | N/A | 0.2 ppb (1) | 2.6 ppb (3) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 51.0 ppb (48) | 0.21 ppb (3) | 19.0 μg/m3 (18) | 5.0 μg/m3 (21) | 48.0 | |
| May 9, 2021, midnight | N/A | 0.2 ppb (1) | 2.2 ppb (3) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 55.0 ppb (51) | 0.19 ppb (3) | 12.0 μg/m3 (12) | 6.0 μg/m3 (25) | 51.0 | |
| May 8, 2021, 11 p.m. | N/A | 0.2 ppb (1) | 2.3 ppb (3) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 58.0 ppb (61) | 0.18 ppb (3) | 17.0 μg/m3 (16) | 3.0 μg/m3 (13) | 61.0 | |
| May 8, 2021, 10 p.m. | N/A | 0.2 ppb (1) | 2.4 ppb (3) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 60.0 ppb (68) | 0.18 ppb (3) | 14.0 μg/m3 (13) | 3.0 μg/m3 (13) | 68.0 | |
| May 8, 2021, 9 p.m. | N/A | 0.2 ppb (1) | 2.5 ppb (3) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 59.0 ppb (65) | 0.19 ppb (3) | 22.0 μg/m3 (21) | 2.0 μg/m3 (9) | 65.0 | |
| May 8, 2021, 8 p.m. | N/A | 0.3 ppb (1) | 4.1 ppb (4) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | N/A | 0.19 ppb (3) | 19.0 μg/m3 (18) | 3.0 μg/m3 (13) | 18.0 | |
| May 8, 2021, 7 p.m. | N/A | 0.9 ppb (1) | 7.2 ppb (7) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 65.0 ppb (84) | 0.21 ppb (3) | 20.0 μg/m3 (19) | 6.0 μg/m3 (25) | 84.0 | |
| May 8, 2021, 6 p.m. | N/A | 0.8 ppb (1) | 5.5 ppb (6) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 57.0 ppb (58) | 0.22 ppb (3) | 18.0 μg/m3 (17) | 6.0 μg/m3 (25) | 58.0 | |
| May 8, 2021, 5 p.m. | N/A | 0.5 ppb (1) | 3.0 ppb (3) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 54.0 ppb (50) | 0.21 ppb (3) | 18.0 μg/m3 (17) | 7.0 μg/m3 (30) | 50.0 | |
| May 8, 2021, 4 p.m. | N/A | 0.7 ppb (1) | 3.6 ppb (4) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 49.0 ppb (46) | 0.21 ppb (3) | 13.0 μg/m3 (13) | 5.0 μg/m3 (21) | 46.0 | |
| May 8, 2021, 3 p.m. | N/A | 1.2 ppb (2) | 4.8 ppb (5) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.23 ppb (3) | 17.0 μg/m3 (16) | 6.0 μg/m3 (25) | 39.0 | |
| May 8, 2021, 2 p.m. | N/A | 1.6 ppb (2) | 8.1 ppb (8) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.29 ppb (4) | 23.0 μg/m3 (22) | 6.0 μg/m3 (25) | 32.0 | |
| May 8, 2021, 1 p.m. | N/A | 0.9 ppb (1) | 10.3 ppb (10) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.29 ppb (4) | 23.0 μg/m3 (22) | 6.0 μg/m3 (25) | 26.0 | |
| May 8, 2021, noon | N/A | 0.1 ppb (1) | 9.7 ppb (10) | 10.0 ppb (10) | N/A | 0.0 ppb (0) | 23.0 ppb (22) | 0.29 ppb (4) | 19.0 μg/m3 (18) | 6.0 μg/m3 (25) | 25.0 | |
| May 8, 2021, 11 a.m. | N/A | 0.1 ppb (1) | 8.6 ppb (9) | 8.0 ppb (8) | N/A | 0.0 ppb (0) | 28.0 ppb (26) | 0.24 ppb (3) | 17.0 μg/m3 (16) | 7.0 μg/m3 (30) | 30.0 | |
| May 8, 2021, 10 a.m. | N/A | 0.0 ppb (0) | 5.8 ppb (6) | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 35.0 ppb (33) | 0.22 ppb (3) | 11.0 μg/m3 (11) | 6.0 μg/m3 (25) | 33.0 | |
| May 8, 2021, 9 a.m. | N/A | 0.0 ppb (0) | 3.0 ppb (3) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 41.0 ppb (38) | 0.21 ppb (3) | 8.0 μg/m3 (8) | 3.0 μg/m3 (13) | 38.0 | |
| May 8, 2021, 8 a.m. | N/A | 0.0 ppb (0) | 4.4 ppb (5) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.22 ppb (3) | 17.0 μg/m3 (16) | 0.0 μg/m3 (0) | 39.0 | |
| May 8, 2021, 7 a.m. | N/A | 0.0 ppb (0) | 5.9 ppb (6) | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 37.0 ppb (35) | 0.23 ppb (3) | 18.0 μg/m3 (17) | 1.0 μg/m3 (5) | 35.0 | |
| May 8, 2021, 6 a.m. | N/A | 0.0 ppb (0) | 4.4 ppb (5) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 40.0 ppb (38) | 0.21 ppb (3) | 17.0 μg/m3 (16) | 6.0 μg/m3 (25) | 38.0 | |
| May 8, 2021, 5 a.m. | N/A | 0.0 ppb (0) | 6.6 ppb (7) | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 42.0 ppb (39) | 0.23 ppb (3) | 34.0 μg/m3 (32) | 7.0 μg/m3 (30) | 39.0 | |
| May 8, 2021, 4 a.m. | N/A | 0.0 ppb (0) | 13.8 ppb (14) | 13.0 ppb (13) | N/A | 0.0 ppb (0) | 33.0 ppb (31) | 0.31 ppb (4) | 24.0 μg/m3 (23) | 6.0 μg/m3 (25) | 31.0 | |
| May 8, 2021, 3 a.m. | N/A | 0.0 ppb (0) | 14.2 ppb (14) | 15.0 ppb (15) | N/A | 0.0 ppb (0) | 34.0 ppb (32) | 0.35 ppb (4) | 23.0 μg/m3 (22) | 6.0 μg/m3 (25) | 32.0 | |
| May 8, 2021, 2 a.m. | N/A | 0.0 ppb (0) | 5.5 ppb (6) | 7.0 ppb (7) | N/A | 0.0 ppb (0) | 45.0 ppb (42) | 0.23 ppb (3) | 20.0 μg/m3 (19) | 5.0 μg/m3 (21) | 42.0 | |
| May 8, 2021, 1 a.m. | N/A | 0.2 ppb (1) | 3.8 ppb (4) | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 50.0 ppb (47) | 0.2 ppb (3) | 22.0 μg/m3 (21) | 6.0 μg/m3 (25) | 47.0 | |
| May 8, 2021, midnight | N/A | 0.3 ppb (1) | 3.3 ppb (4) | 3.0 ppb (3) | N/A | 0.0 ppb (0) | 54.0 ppb (50) | 0.15 ppb (2) | 23.0 μg/m3 (22) | 2.0 μg/m3 (9) | 50.0 | |
| May 7, 2021, 11 p.m. | N/A | 0.3 ppb (1) | 3.2 ppb (4) | 2.0 ppb (2) | N/A | 0.0 ppb (0) | 59.0 ppb (65) | N/A | 19.0 μg/m3 (18) | 3.0 μg/m3 (13) | 65.0 | |
| May 7, 2021, 10 p.m. | N/A | 0.3 ppb (1) | 3.7 ppb (4) | N/A | N/A | 0.0 ppb (0) | 67.0 ppb (91) | 0.14 ppb (2) | 18.0 μg/m3 (17) | 6.0 μg/m3 (25) | 91.0 |