Ontario (Ballou) CA, US: 34.0309, -117.617403
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 30, 2021, 6 p.m. | 80.4 ppb (80) | 32.6 ppb (31) | N/A | 48.0 ppb (46) | N/A | N/A | N/A | N/A | N/A | N/A | 80.0 | |
| July 30, 2021, 5 p.m. | 124.2 ppb (106) | 64.1 ppb (62) | N/A | 60.0 ppb (58) | N/A | N/A | N/A | N/A | N/A | N/A | 106.0 | |
| July 30, 2021, 4 p.m. | 81.2 ppb (80) | 39.4 ppb (38) | N/A | 42.0 ppb (40) | N/A | N/A | N/A | N/A | N/A | N/A | 80.0 | |
| July 30, 2021, 3 p.m. | 115.1 ppb (104) | 72.4 ppb (71) | N/A | 43.0 ppb (41) | N/A | N/A | N/A | N/A | N/A | N/A | 104.0 | |
| July 30, 2021, 2 p.m. | 124.0 ppb (106) | 84.8 ppb (84) | N/A | 39.0 ppb (37) | N/A | N/A | N/A | N/A | N/A | N/A | 106.0 | |
| July 30, 2021, 1 p.m. | 107.5 ppb (103) | 75.4 ppb (74) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 103.0 | |
| July 30, 2021, noon | 109.2 ppb (103) | 71.5 ppb (70) | N/A | 38.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 103.0 | |
| July 30, 2021, 11 a.m. | 47.6 ppb (45) | 17.0 ppb (17) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 | |
| July 30, 2021, 10 a.m. | 62.4 ppb (60) | 32.8 ppb (31) | N/A | 30.0 ppb (29) | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 | |
| July 30, 2021, 9 a.m. | 61.4 ppb (59) | 29.9 ppb (29) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 | |
| July 30, 2021, 8 a.m. | 51.8 ppb (49) | 23.5 ppb (23) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 | |
| July 30, 2021, 7 a.m. | 47.0 ppb (45) | 20.1 ppb (19) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 | |
| July 30, 2021, 6 a.m. | 44.1 ppb (42) | 16.1 ppb (16) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 | |
| July 30, 2021, 5 a.m. | 52.3 ppb (50) | 22.3 ppb (22) | N/A | 30.0 ppb (29) | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 | |
| July 30, 2021, 4 a.m. | 60.6 ppb (59) | 27.6 ppb (27) | N/A | 33.0 ppb (32) | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 | |
| July 30, 2021, 3 a.m. | 58.1 ppb (56) | 24.1 ppb (23) | N/A | 34.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 | |
| July 30, 2021, 2 a.m. | 48.0 ppb (46) | 17.5 ppb (17) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 | |
| July 30, 2021, 1 a.m. | 45.7 ppb (44) | 17.2 ppb (17) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 | |
| July 30, 2021, midnight | 48.6 ppb (46) | 17.8 ppb (17) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 | |
| July 29, 2021, 11 p.m. | 43.3 ppb (41) | 10.8 ppb (11) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 | |
| July 29, 2021, 10 p.m. | 41.9 ppb (40) | 8.1 ppb (8) | N/A | 34.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 | |
| July 29, 2021, 9 p.m. | 41.3 ppb (39) | 8.2 ppb (8) | N/A | 33.0 ppb (32) | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 | |
| July 29, 2021, 8 p.m. | 31.2 ppb (30) | 5.9 ppb (6) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 | |
| July 29, 2021, 7 p.m. | 41.5 ppb (40) | 12.4 ppb (12) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 | |
| July 29, 2021, 6 p.m. | 46.0 ppb (44) | 17.4 ppb (17) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 | |
| July 29, 2021, 5 p.m. | 84.6 ppb (84) | 40.8 ppb (39) | N/A | 44.0 ppb (42) | N/A | N/A | N/A | N/A | N/A | N/A | 84.0 | |
| July 29, 2021, 4 p.m. | 97.7 ppb (98) | 50.7 ppb (48) | N/A | 47.0 ppb (45) | N/A | N/A | N/A | N/A | N/A | N/A | 98.0 | |
| July 29, 2021, 3 p.m. | 112.9 ppb (104) | 66.6 ppb (65) | N/A | 46.0 ppb (44) | N/A | N/A | N/A | N/A | N/A | N/A | 104.0 | |
| July 29, 2021, 2 p.m. | 107.8 ppb (103) | 67.1 ppb (65) | N/A | 41.0 ppb (39) | N/A | N/A | N/A | N/A | N/A | N/A | 103.0 | |
| July 29, 2021, 1 p.m. | 152.8 ppb (111) | 111.1 ppb (103) | N/A | 42.0 ppb (40) | N/A | N/A | N/A | N/A | N/A | N/A | 111.0 | |
| July 29, 2021, noon | 155.4 ppb (112) | 117.6 ppb (105) | N/A | 38.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 112.0 | |
| July 29, 2021, 11 a.m. | 105.5 ppb (102) | 65.6 ppb (64) | N/A | 40.0 ppb (38) | N/A | N/A | N/A | N/A | N/A | N/A | 102.0 | |
| July 29, 2021, 10 a.m. | 56.9 ppb (55) | 22.5 ppb (22) | N/A | 34.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 | |
| July 29, 2021, 9 a.m. | 33.5 ppb (32) | 6.6 ppb (7) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 | |
| July 29, 2021, 8 a.m. | 28.8 ppb (28) | 4.7 ppb (5) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 | |
| July 29, 2021, 7 a.m. | 53.9 ppb (51) | 21.1 ppb (20) | N/A | 33.0 ppb (32) | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 | |
| July 29, 2021, 6 a.m. | 56.2 ppb (54) | 20.6 ppb (20) | N/A | 36.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 | |
| July 29, 2021, 5 a.m. | 51.0 ppb (49) | 16.0 ppb (16) | N/A | 35.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 | |
| July 29, 2021, 4 a.m. | 50.1 ppb (48) | 16.1 ppb (16) | N/A | 34.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 | |
| July 29, 2021, 3 a.m. | 56.7 ppb (54) | 21.5 ppb (21) | N/A | 35.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 | |
| July 29, 2021, 2 a.m. | 49.6 ppb (47) | 20.5 ppb (20) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 | |
| July 29, 2021, 1 a.m. | 61.4 ppb (59) | 26.5 ppb (25) | N/A | 35.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 | |
| July 29, 2021, midnight | 26.9 ppb (26) | 7.7 ppb (8) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 | |
| July 28, 2021, 11 p.m. | 40.1 ppb (38) | 14.1 ppb (14) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 | |
| July 28, 2021, 10 p.m. | 34.2 ppb (33) | 9.6 ppb (10) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 | |
| July 28, 2021, 9 p.m. | 28.7 ppb (28) | 6.9 ppb (7) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 | |
| July 28, 2021, 8 p.m. | 26.9 ppb (26) | 6.2 ppb (6) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 | |
| July 28, 2021, 7 p.m. | 31.1 ppb (30) | 9.4 ppb (9) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 | |
| July 28, 2021, 6 p.m. | 38.8 ppb (37) | 13.3 ppb (13) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 | |
| July 28, 2021, 5 p.m. | 67.4 ppb (66) | 29.3 ppb (28) | N/A | 38.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 66.0 | |
| July 28, 2021, 4 p.m. | 100.9 ppb (101) | 54.4 ppb (52) | N/A | 47.0 ppb (45) | N/A | N/A | N/A | N/A | N/A | N/A | 101.0 | |
| July 28, 2021, 3 p.m. | 130.4 ppb (107) | 85.4 ppb (85) | N/A | 45.0 ppb (43) | N/A | N/A | N/A | N/A | N/A | N/A | 107.0 | |
| July 28, 2021, 2 p.m. | 124.9 ppb (106) | 86.1 ppb (86) | N/A | 39.0 ppb (37) | N/A | N/A | N/A | N/A | N/A | N/A | 106.0 | |
| July 28, 2021, 1 p.m. | 132.3 ppb (107) | 94.6 ppb (95) | N/A | 38.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 107.0 | |
| July 28, 2021, noon | 126.2 ppb (106) | 90.0 ppb (90) | N/A | 37.0 ppb (35) | N/A | N/A | N/A | N/A | N/A | N/A | 106.0 | |
| July 28, 2021, 11 a.m. | 53.0 ppb (50) | 21.5 ppb (21) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 | |
| July 28, 2021, 10 a.m. | 45.5 ppb (43) | 16.4 ppb (16) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 | |
| July 28, 2021, 9 a.m. | 34.0 ppb (33) | 6.1 ppb (6) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 | |
| July 28, 2021, 8 a.m. | 52.2 ppb (50) | 18.2 ppb (18) | N/A | 34.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 | |
| July 28, 2021, 7 a.m. | 45.1 ppb (43) | 12.8 ppb (13) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 | |
| July 28, 2021, 6 a.m. | 34.4 ppb (33) | 6.0 ppb (6) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 | |
| July 28, 2021, 5 a.m. | 27.3 ppb (26) | 5.8 ppb (6) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 | |
| July 28, 2021, 4 a.m. | 21.1 ppb (20) | 1.8 ppb (2) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 | |
| July 28, 2021, 3 a.m. | 48.3 ppb (46) | 15.9 ppb (15) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 | |
| July 28, 2021, 2 a.m. | 50.1 ppb (48) | 14.9 ppb (15) | N/A | 35.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 | |
| July 28, 2021, 1 a.m. | 34.2 ppb (33) | 9.0 ppb (9) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 | |
| July 28, 2021, midnight | 38.1 ppb (36) | 9.2 ppb (9) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 | |
| July 27, 2021, 11 p.m. | 47.2 ppb (45) | 13.0 ppb (13) | N/A | 34.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 | |
| July 27, 2021, 10 p.m. | 43.6 ppb (42) | 8.8 ppb (9) | N/A | 35.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 | |
| July 27, 2021, 9 p.m. | 41.1 ppb (39) | 8.3 ppb (8) | N/A | 33.0 ppb (32) | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 | |
| July 27, 2021, 8 p.m. | 55.3 ppb (53) | 14.7 ppb (14) | N/A | 41.0 ppb (39) | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 | |
| July 27, 2021, 7 p.m. | 55.9 ppb (54) | 17.3 ppb (17) | N/A | 39.0 ppb (37) | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 | |
| July 27, 2021, 6 p.m. | 65.2 ppb (63) | 23.4 ppb (23) | N/A | 42.0 ppb (40) | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 | |
| July 27, 2021, 5 p.m. | 91.2 ppb (91) | 45.9 ppb (44) | N/A | 45.0 ppb (43) | N/A | N/A | N/A | N/A | N/A | N/A | 91.0 | |
| July 27, 2021, 4 p.m. | 93.6 ppb (94) | 54.8 ppb (52) | N/A | 39.0 ppb (37) | N/A | N/A | N/A | N/A | N/A | N/A | 94.0 | |
| July 27, 2021, 3 p.m. | 94.3 ppb (94) | 59.2 ppb (57) | N/A | 35.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 94.0 | |
| July 27, 2021, 2 p.m. | 103.8 ppb (102) | 73.0 ppb (72) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | N/A | N/A | N/A | 102.0 | |
| July 27, 2021, 1 p.m. | 107.0 ppb (103) | 78.1 ppb (77) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 103.0 | |
| July 27, 2021, noon | 105.3 ppb (102) | 72.4 ppb (71) | N/A | 33.0 ppb (32) | N/A | N/A | N/A | N/A | N/A | N/A | 102.0 | |
| July 27, 2021, 11 a.m. | 56.4 ppb (54) | 28.2 ppb (27) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 | |
| July 27, 2021, 10 a.m. | 37.9 ppb (36) | 12.8 ppb (13) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 | |
| July 27, 2021, 9 a.m. | 43.1 ppb (41) | 20.7 ppb (20) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 | |
| July 27, 2021, 8 a.m. | 41.8 ppb (40) | 18.5 ppb (18) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 | |
| July 27, 2021, 7 a.m. | 36.4 ppb (35) | 14.1 ppb (14) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 | |
| July 27, 2021, 6 a.m. | 34.4 ppb (33) | 11.9 ppb (12) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 | |
| July 27, 2021, 5 a.m. | 42.3 ppb (40) | 16.8 ppb (16) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 | |
| July 27, 2021, 4 a.m. | 51.9 ppb (49) | 21.2 ppb (20) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 | |
| July 27, 2021, 3 a.m. | 38.2 ppb (37) | 13.5 ppb (13) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 | |
| July 27, 2021, 2 a.m. | 41.6 ppb (40) | 15.3 ppb (15) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 | |
| July 27, 2021, 1 a.m. | 42.1 ppb (40) | 13.9 ppb (14) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 | |
| July 27, 2021, midnight | 41.0 ppb (39) | 13.4 ppb (13) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 | |
| July 26, 2021, 11 p.m. | 41.1 ppb (39) | 11.9 ppb (12) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 | |
| July 26, 2021, 10 p.m. | 52.5 ppb (50) | 15.9 ppb (15) | N/A | 37.0 ppb (35) | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 | |
| July 26, 2021, 9 p.m. | 51.6 ppb (49) | 19.3 ppb (19) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 | |
| July 26, 2021, 8 p.m. | 59.7 ppb (58) | 21.6 ppb (21) | N/A | 38.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 | |
| July 26, 2021, 7 p.m. | 50.1 ppb (48) | 18.9 ppb (18) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 | |
| July 26, 2021, 6 p.m. | 58.3 ppb (56) | 29.0 ppb (28) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 | |
| July 26, 2021, 5 p.m. | 98.1 ppb (98) | 62.1 ppb (60) | N/A | 36.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 98.0 | |
| July 26, 2021, 4 p.m. | 101.4 ppb (102) | 67.9 ppb (66) | N/A | 34.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 102.0 | |
| July 26, 2021, 3 p.m. | 98.2 ppb (99) | 66.5 ppb (65) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 99.0 | |
| July 26, 2021, 2 p.m. | 57.6 ppb (55) | 34.1 ppb (33) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 | |
| July 26, 2021, 1 p.m. | 60.3 ppb (58) | 37.9 ppb (36) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 | |
| July 26, 2021, noon | 71.0 ppb (70) | 42.8 ppb (41) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 70.0 | |
| July 26, 2021, 11 a.m. | 39.6 ppb (38) | 18.5 ppb (18) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 | |
| July 26, 2021, 10 a.m. | 33.1 ppb (32) | 13.2 ppb (13) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 | |
| July 26, 2021, 9 a.m. | 20.5 ppb (20) | 5.5 ppb (6) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 | |
| July 26, 2021, 8 a.m. | 18.2 ppb (18) | 4.5 ppb (5) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 | |
| July 26, 2021, 7 a.m. | 27.9 ppb (27) | 11.0 ppb (11) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 | |
| July 26, 2021, 6 a.m. | 30.1 ppb (29) | 11.8 ppb (12) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 | |
| July 26, 2021, 5 a.m. | 16.4 ppb (16) | 4.0 ppb (4) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 | |
| July 26, 2021, 4 a.m. | 29.4 ppb (28) | 11.2 ppb (11) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 | |
| July 26, 2021, 3 a.m. | 24.1 ppb (23) | 7.6 ppb (8) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 | |
| July 26, 2021, 2 a.m. | 19.0 ppb (18) | 5.7 ppb (6) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 | |
| July 26, 2021, 1 a.m. | 16.7 ppb (16) | 5.5 ppb (6) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 | |
| July 26, 2021, midnight | 15.5 ppb (15) | 5.1 ppb (5) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 | |
| July 25, 2021, 11 p.m. | 19.2 ppb (19) | 7.6 ppb (8) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 | |
| July 25, 2021, 10 p.m. | 18.6 ppb (18) | 6.0 ppb (6) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 | |
| July 25, 2021, 9 p.m. | 19.1 ppb (19) | 5.2 ppb (5) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 | |
| July 25, 2021, 8 p.m. | 10.7 ppb (11) | 2.4 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 | |
| July 25, 2021, 7 p.m. | 16.1 ppb (16) | 4.6 ppb (5) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 | |
| July 25, 2021, 6 p.m. | 17.5 ppb (17) | 5.1 ppb (5) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 | |
| July 25, 2021, 5 p.m. | 20.2 ppb (20) | 7.0 ppb (7) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 | |
| July 25, 2021, 4 p.m. | 31.8 ppb (30) | 14.7 ppb (14) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 | |
| July 25, 2021, 3 p.m. | 19.5 ppb (19) | 8.0 ppb (8) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 | |
| July 25, 2021, 2 p.m. | 40.6 ppb (39) | 22.0 ppb (21) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 | |
| July 25, 2021, 1 p.m. | 44.7 ppb (43) | 25.0 ppb (24) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 | |
| July 25, 2021, noon | 23.8 ppb (23) | 9.0 ppb (9) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 | |
| July 25, 2021, 11 a.m. | 33.6 ppb (32) | 15.8 ppb (15) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 | |
| July 25, 2021, 10 a.m. | 25.6 ppb (25) | 10.2 ppb (10) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 | |
| July 25, 2021, 9 a.m. | 16.0 ppb (16) | 4.4 ppb (5) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 | |
| July 25, 2021, 8 a.m. | 17.2 ppb (17) | 4.5 ppb (5) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 | |
| July 25, 2021, 7 a.m. | 22.1 ppb (21) | 7.8 ppb (8) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 | |
| July 25, 2021, 6 a.m. | 23.6 ppb (23) | 8.7 ppb (9) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 | |
| July 25, 2021, 5 a.m. | 26.0 ppb (25) | 9.6 ppb (10) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 | |
| July 25, 2021, 4 a.m. | 27.0 ppb (26) | 10.1 ppb (10) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 | |
| July 25, 2021, 3 a.m. | 26.8 ppb (26) | 8.4 ppb (8) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 | |
| July 25, 2021, 2 a.m. | 27.5 ppb (26) | 9.5 ppb (9) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 | |
| July 25, 2021, 1 a.m. | 23.2 ppb (22) | 6.6 ppb (7) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 | |
| July 25, 2021, midnight | 23.7 ppb (23) | 5.6 ppb (6) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 | |
| July 24, 2021, 11 p.m. | 27.8 ppb (27) | 6.9 ppb (7) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 | |
| July 24, 2021, 10 p.m. | 23.4 ppb (23) | 5.4 ppb (6) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 | |
| July 24, 2021, 9 p.m. | 14.9 ppb (15) | 2.5 ppb (3) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 | |
| July 24, 2021, 8 p.m. | 27.5 ppb (26) | 6.5 ppb (7) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 | |
| July 24, 2021, 7 p.m. | 34.3 ppb (33) | 10.4 ppb (10) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 | |
| July 24, 2021, 6 p.m. | 33.8 ppb (32) | 11.3 ppb (11) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 | |
| July 24, 2021, 5 p.m. | 58.9 ppb (57) | 27.3 ppb (26) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 | |
| July 24, 2021, 4 p.m. | 40.8 ppb (39) | 18.6 ppb (18) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 | |
| July 24, 2021, 3 p.m. | 67.6 ppb (66) | 40.6 ppb (39) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | N/A | N/A | N/A | 66.0 | |
| July 24, 2021, 2 p.m. | 64.9 ppb (63) | 38.4 ppb (37) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 | |
| July 24, 2021, 1 p.m. | 69.9 ppb (68) | 43.6 ppb (42) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | N/A | N/A | N/A | 68.0 | |
| July 24, 2021, noon | 49.7 ppb (47) | 26.5 ppb (25) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 | |
| July 24, 2021, 11 a.m. | 40.4 ppb (39) | 19.7 ppb (19) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 | |
| July 24, 2021, 10 a.m. | 12.7 ppb (12) | 2.3 ppb (3) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 | |
| July 24, 2021, 9 a.m. | 26.4 ppb (25) | 8.5 ppb (9) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 | |
| July 24, 2021, 8 a.m. | 15.8 ppb (15) | 4.2 ppb (4) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 | |
| July 24, 2021, 7 a.m. | 29.0 ppb (28) | 10.3 ppb (10) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 | |
| July 24, 2021, 6 a.m. | 36.7 ppb (35) | 14.2 ppb (14) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 | |
| July 24, 2021, 5 a.m. | 42.6 ppb (41) | 17.0 ppb (17) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 | |
| July 24, 2021, 4 a.m. | 42.2 ppb (40) | 17.1 ppb (17) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 | |
| July 24, 2021, 3 a.m. | 35.7 ppb (34) | 11.4 ppb (11) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 | |
| July 24, 2021, 2 a.m. | 38.4 ppb (37) | 13.4 ppb (13) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 | |
| July 24, 2021, 1 a.m. | 35.1 ppb (34) | 11.9 ppb (12) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 | |
| July 24, 2021, midnight | 41.3 ppb (39) | 13.4 ppb (13) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 | |
| July 23, 2021, 11 p.m. | 47.9 ppb (46) | 18.7 ppb (18) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 | |
| July 23, 2021, 10 p.m. | 45.7 ppb (44) | 15.9 ppb (15) | N/A | 30.0 ppb (29) | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 | |
| July 23, 2021, 9 p.m. | 40.9 ppb (39) | 12.5 ppb (12) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 | |
| July 23, 2021, 8 p.m. | 39.3 ppb (38) | 12.4 ppb (12) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 | |
| July 23, 2021, 7 p.m. | 37.6 ppb (36) | 12.5 ppb (12) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 |