Ontario (Fontana Gateway) CA, US: 34.068114, -117.525796
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 8, 2021, 8 a.m. | 16.9 ppb (16) | 2.4 ppb (3) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | 0.27 ppb (4) | N/A | N/A | 16.0 | |
| March 8, 2021, 7 a.m. | 13.0 ppb (13) | 0.5 ppb (1) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 13.0 | |
| March 8, 2021, 6 a.m. | 18.1 ppb (18) | 2.8 ppb (3) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.27 ppb (4) | N/A | N/A | 18.0 | |
| March 8, 2021, 5 a.m. | 23.2 ppb (22) | 5.1 ppb (5) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.31 ppb (4) | N/A | N/A | 22.0 | |
| March 8, 2021, 4 a.m. | 25.5 ppb (25) | 6.8 ppb (7) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.37 ppb (5) | N/A | N/A | 25.0 | |
| March 8, 2021, 3 a.m. | 22.5 ppb (22) | 6.3 ppb (6) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.38 ppb (5) | N/A | N/A | 22.0 | |
| March 8, 2021, 2 a.m. | 21.8 ppb (21) | 5.2 ppb (5) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.36 ppb (5) | N/A | N/A | 21.0 | |
| March 8, 2021, 1 a.m. | 24.1 ppb (23) | 6.5 ppb (7) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.39 ppb (5) | N/A | N/A | 23.0 | |
| March 8, 2021, midnight | 19.3 ppb (19) | 4.3 ppb (5) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.36 ppb (5) | N/A | N/A | 19.0 | |
| March 7, 2021, 11 p.m. | 15.8 ppb (15) | 3.3 ppb (4) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 15.0 | |
| March 7, 2021, 10 p.m. | 18.0 ppb (17) | 5.3 ppb (5) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 17.0 | |
| March 7, 2021, 9 p.m. | 21.7 ppb (21) | 6.8 ppb (7) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 21.0 | |
| March 7, 2021, 8 p.m. | 17.2 ppb (17) | 5.5 ppb (6) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 17.0 | |
| March 7, 2021, 7 p.m. | 16.8 ppb (16) | 5.6 ppb (6) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.28 ppb (4) | N/A | N/A | 16.0 | |
| March 7, 2021, 6 p.m. | 17.6 ppb (17) | 5.8 ppb (6) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.28 ppb (4) | N/A | N/A | 17.0 | |
| March 7, 2021, 5 p.m. | 22.8 ppb (22) | 7.9 ppb (8) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 22.0 | |
| March 7, 2021, 4 p.m. | 23.6 ppb (23) | 7.7 ppb (8) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 23.0 | |
| March 7, 2021, 3 p.m. | 27.3 ppb (26) | 10.0 ppb (10) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 26.0 | |
| March 7, 2021, 2 p.m. | 37.6 ppb (36) | 13.4 ppb (13) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 36.0 | |
| March 7, 2021, 1 p.m. | 29.9 ppb (29) | 8.3 ppb (8) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.31 ppb (4) | N/A | N/A | 29.0 | |
| March 7, 2021, noon | 21.8 ppb (21) | 5.9 ppb (6) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.29 ppb (4) | N/A | N/A | 21.0 | |
| March 7, 2021, 11 a.m. | 15.4 ppb (15) | 4.1 ppb (4) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 15.0 | |
| March 7, 2021, 10 a.m. | 27.0 ppb (26) | 4.9 ppb (5) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.31 ppb (4) | N/A | N/A | 26.0 | |
| March 7, 2021, 9 a.m. | 26.1 ppb (25) | 2.0 ppb (2) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | N/A | 25.0 | |
| March 7, 2021, 8 a.m. | 15.7 ppb (15) | 1.1 ppb (2) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 15.0 | |
| March 7, 2021, 7 a.m. | 9.7 ppb (10) | -0.5 ppb (0) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.28 ppb (4) | N/A | N/A | 10.0 | |
| March 7, 2021, 6 a.m. | 11.7 ppb (12) | 0.2 ppb (1) | N/A | 12.0 ppb (12) | N/A | N/A | N/A | 0.27 ppb (4) | N/A | N/A | 12.0 | |
| March 7, 2021, 5 a.m. | 22.1 ppb (21) | 4.4 ppb (5) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.36 ppb (5) | N/A | N/A | 21.0 | |
| March 7, 2021, 4 a.m. | 22.0 ppb (21) | 5.7 ppb (6) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.37 ppb (5) | N/A | N/A | 21.0 | |
| March 7, 2021, 3 a.m. | 23.5 ppb (23) | 6.5 ppb (7) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.35 ppb (4) | N/A | N/A | 23.0 | |
| March 7, 2021, 2 a.m. | 30.9 ppb (30) | 10.3 ppb (10) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.4 ppb (5) | N/A | N/A | 30.0 | |
| March 7, 2021, 1 a.m. | 33.1 ppb (32) | 11.8 ppb (12) | N/A | 21.0 ppb (20) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 32.0 | |
| March 7, 2021, midnight | 25.2 ppb (24) | 8.9 ppb (9) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.38 ppb (5) | N/A | N/A | 24.0 | |
| March 6, 2021, 11 p.m. | 20.4 ppb (20) | 6.8 ppb (7) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 20.0 | |
| March 6, 2021, 10 p.m. | 21.3 ppb (21) | 7.1 ppb (7) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | 0.29 ppb (4) | N/A | N/A | 21.0 | |
| March 6, 2021, 9 p.m. | 14.8 ppb (14) | 4.4 ppb (5) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.26 ppb (4) | N/A | N/A | 14.0 | |
| March 6, 2021, 8 p.m. | 15.1 ppb (15) | 4.4 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 15.0 | |
| March 6, 2021, 7 p.m. | 21.3 ppb (21) | 6.6 ppb (7) | N/A | 15.0 ppb (15) | N/A | N/A | N/A | 0.27 ppb (4) | N/A | N/A | 21.0 | |
| March 6, 2021, 6 p.m. | 28.4 ppb (27) | 10.0 ppb (10) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.34 ppb (4) | N/A | N/A | 27.0 | |
| March 6, 2021, 5 p.m. | 55.7 ppb (53) | 25.4 ppb (24) | N/A | 30.0 ppb (29) | N/A | N/A | N/A | 0.49 ppb (6) | N/A | N/A | 53.0 | |
| March 6, 2021, 4 p.m. | 89.3 ppb (89) | 49.7 ppb (47) | N/A | 40.0 ppb (38) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | N/A | 89.0 | |
| March 6, 2021, 3 p.m. | 77.1 ppb (76) | 38.0 ppb (36) | N/A | 39.0 ppb (37) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | N/A | 76.0 | |
| March 6, 2021, 2 p.m. | 74.3 ppb (73) | 33.7 ppb (32) | N/A | 41.0 ppb (39) | N/A | N/A | N/A | 0.56 ppb (7) | N/A | N/A | 73.0 | |
| March 6, 2021, 1 p.m. | 70.8 ppb (69) | 31.8 ppb (30) | N/A | 39.0 ppb (37) | N/A | N/A | N/A | 0.58 ppb (7) | N/A | N/A | 69.0 | |
| March 6, 2021, noon | 80.2 ppb (79) | 35.7 ppb (34) | N/A | 45.0 ppb (43) | N/A | N/A | N/A | 0.57 ppb (7) | N/A | N/A | 79.0 | |
| March 6, 2021, 11 a.m. | 32.0 ppb (31) | 1.1 ppb (2) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 31.0 | |
| March 6, 2021, 10 a.m. | 100.6 ppb (101) | 53.9 ppb (51) | N/A | 47.0 ppb (45) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 101.0 | |
| March 6, 2021, 9 a.m. | 52.5 ppb (50) | 14.4 ppb (14) | N/A | 38.0 ppb (36) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | N/A | 50.0 | |
| March 6, 2021, 8 a.m. | 61.2 ppb (59) | 18.8 ppb (18) | N/A | 43.0 ppb (41) | N/A | N/A | N/A | 0.62 ppb (7) | N/A | N/A | 59.0 | |
| March 6, 2021, 7 a.m. | 55.0 ppb (53) | 10.7 ppb (11) | N/A | 44.0 ppb (42) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 53.0 | |
| March 6, 2021, 6 a.m. | 68.2 ppb (67) | 17.3 ppb (17) | N/A | 51.0 ppb (49) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | N/A | 67.0 | |
| March 6, 2021, 5 a.m. | 78.8 ppb (78) | 24.7 ppb (24) | N/A | 54.0 ppb (51) | N/A | N/A | N/A | 0.56 ppb (7) | N/A | N/A | 78.0 | |
| March 6, 2021, 4 a.m. | 66.0 ppb (64) | 18.3 ppb (18) | N/A | 48.0 ppb (46) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | N/A | 64.0 | |
| March 6, 2021, 3 a.m. | 62.4 ppb (60) | 19.2 ppb (19) | N/A | 43.0 ppb (41) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 60.0 | |
| March 6, 2021, 2 a.m. | 58.3 ppb (56) | 13.7 ppb (13) | N/A | 45.0 ppb (43) | N/A | N/A | N/A | 0.48 ppb (6) | N/A | N/A | 56.0 | |
| March 6, 2021, 1 a.m. | 55.0 ppb (53) | 13.5 ppb (13) | N/A | 42.0 ppb (40) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 53.0 | |
| March 6, 2021, midnight | 50.1 ppb (48) | 15.8 ppb (15) | N/A | 34.0 ppb (33) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 48.0 | |
| March 5, 2021, 11 p.m. | 40.1 ppb (38) | 11.8 ppb (12) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 38.0 | |
| March 5, 2021, 10 p.m. | 31.7 ppb (30) | 10.0 ppb (10) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.27 ppb (4) | N/A | N/A | 30.0 | |
| March 5, 2021, 9 p.m. | 40.0 ppb (38) | 13.0 ppb (13) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | 0.29 ppb (4) | N/A | N/A | 38.0 | |
| March 5, 2021, 8 p.m. | 25.4 ppb (24) | 6.5 ppb (7) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 24.0 | |
| March 5, 2021, 7 p.m. | 24.2 ppb (23) | 6.1 ppb (6) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 23.0 | |
| March 5, 2021, 6 p.m. | 38.3 ppb (37) | 12.7 ppb (12) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | N/A | 37.0 | |
| March 5, 2021, 5 p.m. | 116.7 ppb (104) | 69.3 ppb (68) | N/A | 48.0 ppb (46) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | N/A | 104.0 | |
| March 5, 2021, 4 p.m. | 136.2 ppb (108) | 87.6 ppb (87) | N/A | 49.0 ppb (47) | N/A | N/A | N/A | 0.66 ppb (8) | N/A | N/A | 108.0 | |
| March 5, 2021, 3 p.m. | 154.6 ppb (112) | 109.9 ppb (103) | N/A | 45.0 ppb (43) | N/A | N/A | N/A | 0.77 ppb (10) | N/A | N/A | 112.0 | |
| March 5, 2021, 2 p.m. | 122.5 ppb (106) | 85.3 ppb (85) | N/A | 38.0 ppb (36) | N/A | N/A | N/A | 0.72 ppb (8) | N/A | N/A | 106.0 | |
| March 5, 2021, 1 p.m. | 88.3 ppb (88) | 52.1 ppb (50) | N/A | 36.0 ppb (34) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | N/A | 88.0 | |
| March 5, 2021, noon | 61.2 ppb (59) | 29.5 ppb (28) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 59.0 | |
| March 5, 2021, 11 a.m. | 46.4 ppb (44) | 14.4 ppb (14) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | 0.36 ppb (5) | N/A | N/A | 44.0 | |
| March 5, 2021, 10 a.m. | 35.6 ppb (34) | 4.6 ppb (5) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | 0.36 ppb (5) | N/A | N/A | 34.0 | |
| March 5, 2021, 9 a.m. | 45.7 ppb (44) | 13.3 ppb (13) | N/A | 33.0 ppb (32) | N/A | N/A | N/A | 0.49 ppb (6) | N/A | N/A | 44.0 | |
| March 5, 2021, 8 a.m. | 66.9 ppb (65) | 31.9 ppb (31) | N/A | 35.0 ppb (34) | N/A | N/A | N/A | 0.64 ppb (7) | N/A | N/A | 65.0 | |
| March 5, 2021, 7 a.m. | 80.0 ppb (79) | 40.9 ppb (39) | N/A | 39.0 ppb (37) | N/A | N/A | N/A | 0.69 ppb (8) | N/A | N/A | 79.0 | |
| March 5, 2021, 6 a.m. | 102.4 ppb (102) | 57.1 ppb (55) | N/A | 46.0 ppb (44) | N/A | N/A | N/A | 0.65 ppb (8) | N/A | N/A | 102.0 | |
| March 5, 2021, 5 a.m. | 103.2 ppb (102) | 49.9 ppb (48) | N/A | 54.0 ppb (51) | N/A | N/A | N/A | 0.74 ppb (8) | N/A | N/A | 102.0 | |
| March 5, 2021, 4 a.m. | 88.0 ppb (88) | 32.0 ppb (31) | N/A | 56.0 ppb (54) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 88.0 | |
| March 5, 2021, 3 a.m. | 81.8 ppb (81) | 31.3 ppb (30) | N/A | 51.0 ppb (49) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | N/A | 81.0 | |
| March 5, 2021, 2 a.m. | 72.1 ppb (71) | 25.6 ppb (25) | N/A | 47.0 ppb (45) | N/A | N/A | N/A | 0.54 ppb (6) | N/A | N/A | 71.0 | |
| March 5, 2021, 1 a.m. | 50.0 ppb (48) | 16.4 ppb (16) | N/A | 34.0 ppb (33) | N/A | N/A | N/A | 0.4 ppb (5) | N/A | N/A | 48.0 | |
| March 5, 2021, midnight | 32.4 ppb (31) | 8.6 ppb (9) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 31.0 | |
| March 4, 2021, 11 p.m. | 16.5 ppb (16) | 3.8 ppb (4) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.24 ppb (3) | N/A | N/A | 16.0 | |
| March 4, 2021, 10 p.m. | 34.2 ppb (33) | 12.6 ppb (12) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.29 ppb (4) | N/A | N/A | 33.0 | |
| March 4, 2021, 9 p.m. | 40.1 ppb (38) | 17.1 ppb (17) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.28 ppb (4) | N/A | N/A | 38.0 | |
| March 4, 2021, 8 p.m. | 34.7 ppb (33) | 15.5 ppb (15) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.27 ppb (4) | N/A | N/A | 33.0 | |
| March 4, 2021, 7 p.m. | 46.2 ppb (44) | 22.8 ppb (22) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.27 ppb (4) | N/A | N/A | 44.0 | |
| March 4, 2021, 6 p.m. | 55.5 ppb (53) | 26.8 ppb (26) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 53.0 | |
| March 4, 2021, 5 p.m. | 64.7 ppb (63) | 34.1 ppb (33) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | 0.36 ppb (5) | N/A | N/A | 63.0 | |
| March 4, 2021, 4 p.m. | 103.3 ppb (102) | 67.8 ppb (66) | N/A | 36.0 ppb (34) | N/A | N/A | N/A | 0.55 ppb (7) | N/A | N/A | 102.0 | |
| March 4, 2021, 3 p.m. | 113.0 ppb (104) | 77.4 ppb (76) | N/A | 36.0 ppb (34) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 104.0 | |
| March 4, 2021, 2 p.m. | 123.2 ppb (106) | 94.1 ppb (94) | N/A | 29.0 ppb (28) | N/A | N/A | N/A | 0.62 ppb (7) | N/A | N/A | 106.0 | |
| March 4, 2021, 1 p.m. | 82.1 ppb (81) | 54.9 ppb (52) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | 0.45 ppb (6) | N/A | N/A | 81.0 | |
| March 4, 2021, noon | 61.4 ppb (59) | 35.3 ppb (34) | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 0.4 ppb (5) | N/A | N/A | 59.0 | |
| March 4, 2021, 11 a.m. | 89.6 ppb (89) | 60.3 ppb (58) | N/A | 30.0 ppb (29) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | N/A | 89.0 | |
| March 4, 2021, 10 a.m. | 101.7 ppb (102) | 72.1 ppb (71) | N/A | 30.0 ppb (29) | N/A | N/A | N/A | 0.73 ppb (8) | N/A | N/A | 102.0 | |
| March 4, 2021, 9 a.m. | 94.1 ppb (94) | 61.8 ppb (60) | N/A | 33.0 ppb (32) | N/A | N/A | N/A | 0.58 ppb (7) | N/A | N/A | 94.0 | |
| March 4, 2021, 8 a.m. | 107.2 ppb (103) | 72.2 ppb (71) | N/A | 35.0 ppb (34) | N/A | N/A | N/A | 0.69 ppb (8) | N/A | N/A | 103.0 | |
| March 4, 2021, 7 a.m. | 90.7 ppb (91) | 47.6 ppb (45) | N/A | 43.0 ppb (41) | N/A | N/A | N/A | 0.62 ppb (7) | N/A | N/A | 91.0 | |
| March 4, 2021, 6 a.m. | 85.2 ppb (85) | 40.8 ppb (39) | N/A | 45.0 ppb (43) | N/A | N/A | N/A | 0.53 ppb (6) | N/A | N/A | 85.0 | |
| March 4, 2021, 5 a.m. | 35.6 ppb (34) | 5.8 ppb (6) | N/A | 30.0 ppb (29) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 34.0 | |
| March 4, 2021, 4 a.m. | 27.0 ppb (26) | 1.8 ppb (2) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | N/A | 26.0 | |
| March 4, 2021, 3 a.m. | 24.8 ppb (24) | 1.2 ppb (2) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.27 ppb (4) | N/A | N/A | 24.0 | |
| March 4, 2021, 2 a.m. | 29.8 ppb (29) | 2.4 ppb (3) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 29.0 | |
| March 4, 2021, 1 a.m. | 17.5 ppb (17) | 0.5 ppb (1) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 17.0 | |
| March 4, 2021, midnight | 22.4 ppb (22) | 4.3 ppb (5) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 22.0 | |
| March 3, 2021, 11 p.m. | 37.6 ppb (36) | 11.2 ppb (11) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | 0.28 ppb (4) | N/A | N/A | 36.0 | |
| March 3, 2021, 10 p.m. | 15.0 ppb (15) | 4.5 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.21 ppb (3) | N/A | N/A | 15.0 | |
| March 3, 2021, 9 p.m. | 26.1 ppb (25) | 8.9 ppb (9) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.22 ppb (3) | N/A | N/A | 25.0 | |
| March 3, 2021, 8 p.m. | 56.3 ppb (54) | 25.9 ppb (25) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | 0.28 ppb (4) | N/A | N/A | 54.0 | |
| March 3, 2021, 7 p.m. | 41.3 ppb (39) | 16.3 ppb (16) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 0.28 ppb (4) | N/A | N/A | 39.0 | |
| March 3, 2021, 6 p.m. | 38.6 ppb (37) | 9.1 ppb (9) | N/A | 30.0 ppb (29) | N/A | N/A | N/A | 0.36 ppb (5) | N/A | N/A | 37.0 | |
| March 3, 2021, 5 p.m. | 116.4 ppb (104) | 69.5 ppb (68) | N/A | 47.0 ppb (45) | N/A | N/A | N/A | 0.58 ppb (7) | N/A | N/A | 104.0 | |
| March 3, 2021, 4 p.m. | 59.7 ppb (58) | 27.7 ppb (27) | N/A | 32.0 ppb (31) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | N/A | 58.0 | |
| March 3, 2021, 3 p.m. | 129.4 ppb (107) | 80.6 ppb (80) | N/A | 49.0 ppb (47) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 107.0 | |
| March 3, 2021, 2 p.m. | 220.5 ppb (124) | 172.2 ppb (115) | N/A | 49.0 ppb (47) | N/A | N/A | N/A | 0.91 ppb (11) | N/A | N/A | 124.0 | |
| March 3, 2021, 1 p.m. | 200.2 ppb (120) | 152.9 ppb (111) | N/A | 48.0 ppb (46) | N/A | N/A | N/A | 0.8 ppb (10) | N/A | N/A | 120.0 | |
| March 3, 2021, noon | 166.0 ppb (114) | 117.0 ppb (105) | N/A | 50.0 ppb (48) | N/A | N/A | N/A | 0.77 ppb (10) | N/A | N/A | 114.0 | |
| March 3, 2021, 11 a.m. | 103.8 ppb (102) | 61.6 ppb (60) | N/A | 42.0 ppb (40) | N/A | N/A | N/A | 0.56 ppb (7) | N/A | N/A | 102.0 | |
| March 3, 2021, 10 a.m. | 97.6 ppb (98) | 57.7 ppb (55) | N/A | 40.0 ppb (38) | N/A | N/A | N/A | 0.68 ppb (8) | N/A | N/A | 98.0 | |
| March 3, 2021, 9 a.m. | 79.5 ppb (79) | 40.4 ppb (39) | N/A | 39.0 ppb (37) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 79.0 | |
| March 3, 2021, 8 a.m. | 89.3 ppb (89) | 45.1 ppb (43) | N/A | 44.0 ppb (42) | N/A | N/A | N/A | 0.59 ppb (7) | N/A | N/A | 89.0 | |
| March 3, 2021, 7 a.m. | 109.6 ppb (103) | 59.6 ppb (57) | N/A | 50.0 ppb (48) | N/A | N/A | N/A | 0.75 ppb (10) | N/A | N/A | 103.0 | |
| March 3, 2021, 6 a.m. | 62.4 ppb (60) | 16.8 ppb (16) | N/A | 46.0 ppb (44) | N/A | N/A | N/A | 0.55 ppb (7) | N/A | N/A | 60.0 | |
| March 3, 2021, 5 a.m. | 71.2 ppb (70) | 20.7 ppb (20) | N/A | 51.0 ppb (49) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | N/A | 70.0 | |
| March 3, 2021, 4 a.m. | 79.3 ppb (78) | 25.4 ppb (24) | N/A | 54.0 ppb (51) | N/A | N/A | N/A | 0.48 ppb (6) | N/A | N/A | 78.0 | |
| March 3, 2021, 3 a.m. | 43.7 ppb (42) | 7.6 ppb (8) | N/A | 36.0 ppb (34) | N/A | N/A | N/A | 0.36 ppb (5) | N/A | N/A | 42.0 | |
| March 3, 2021, 2 a.m. | 36.8 ppb (35) | 5.6 ppb (6) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | 0.32 ppb (4) | N/A | N/A | 35.0 | |
| March 3, 2021, 1 a.m. | 51.1 ppb (49) | 15.6 ppb (15) | N/A | 36.0 ppb (34) | N/A | N/A | N/A | 0.38 ppb (5) | N/A | N/A | 49.0 | |
| March 3, 2021, midnight | 55.2 ppb (53) | 21.5 ppb (21) | N/A | 34.0 ppb (33) | N/A | N/A | N/A | 0.4 ppb (5) | N/A | N/A | 53.0 | |
| March 2, 2021, 11 p.m. | 46.6 ppb (44) | 16.7 ppb (16) | N/A | 30.0 ppb (29) | N/A | N/A | N/A | 0.38 ppb (5) | N/A | N/A | 44.0 | |
| March 2, 2021, 10 p.m. | 18.2 ppb (18) | 5.4 ppb (6) | N/A | 13.0 ppb (13) | N/A | N/A | N/A | 0.21 ppb (3) | N/A | N/A | 18.0 | |
| March 2, 2021, 9 p.m. | 13.9 ppb (14) | 3.9 ppb (4) | N/A | 10.0 ppb (10) | N/A | N/A | N/A | 0.19 ppb (3) | N/A | N/A | 14.0 | |
| March 2, 2021, 8 p.m. | 14.5 ppb (14) | 3.9 ppb (4) | N/A | 11.0 ppb (11) | N/A | N/A | N/A | 0.2 ppb (3) | N/A | N/A | 14.0 | |
| March 2, 2021, 7 p.m. | 22.4 ppb (22) | 8.6 ppb (9) | N/A | 14.0 ppb (14) | N/A | N/A | N/A | 0.22 ppb (3) | N/A | N/A | 22.0 | |
| March 2, 2021, 6 p.m. | 37.5 ppb (36) | 14.7 ppb (14) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.29 ppb (4) | N/A | N/A | 36.0 | |
| March 2, 2021, 5 p.m. | 76.2 ppb (75) | 38.7 ppb (37) | N/A | 38.0 ppb (36) | N/A | N/A | N/A | 0.49 ppb (6) | N/A | N/A | 75.0 | |
| March 2, 2021, 4 p.m. | 110.7 ppb (103) | 68.5 ppb (67) | N/A | 42.0 ppb (40) | N/A | N/A | N/A | 0.56 ppb (7) | N/A | N/A | 103.0 | |
| March 2, 2021, 3 p.m. | 98.9 ppb (99) | 57.9 ppb (56) | N/A | 41.0 ppb (39) | N/A | N/A | N/A | 0.52 ppb (6) | N/A | N/A | 99.0 | |
| March 2, 2021, 2 p.m. | 156.3 ppb (112) | 111.7 ppb (104) | N/A | 45.0 ppb (43) | N/A | N/A | N/A | 0.64 ppb (7) | N/A | N/A | 112.0 | |
| March 2, 2021, 1 p.m. | 83.5 ppb (83) | 43.0 ppb (41) | N/A | 41.0 ppb (39) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 83.0 | |
| March 2, 2021, noon | 51.2 ppb (49) | 16.0 ppb (16) | N/A | 35.0 ppb (34) | N/A | N/A | N/A | 0.33 ppb (4) | N/A | N/A | 49.0 | |
| March 2, 2021, 11 a.m. | 57.2 ppb (55) | 20.3 ppb (20) | N/A | 37.0 ppb (35) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 55.0 | |
| March 2, 2021, 10 a.m. | 82.0 ppb (81) | 41.7 ppb (40) | N/A | 41.0 ppb (39) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 81.0 | |
| March 2, 2021, 9 a.m. | 50.0 ppb (48) | 13.4 ppb (13) | N/A | 37.0 ppb (35) | N/A | N/A | N/A | 0.38 ppb (5) | N/A | N/A | 48.0 | |
| March 2, 2021, 8 a.m. | 42.9 ppb (41) | 7.3 ppb (7) | N/A | 36.0 ppb (34) | N/A | N/A | N/A | 0.39 ppb (5) | N/A | N/A | 41.0 | |
| March 2, 2021, 7 a.m. | 39.5 ppb (38) | 4.5 ppb (5) | N/A | 35.0 ppb (34) | N/A | N/A | N/A | 0.4 ppb (5) | N/A | N/A | 38.0 | |
| March 2, 2021, 6 a.m. | 71.1 ppb (70) | 33.1 ppb (32) | N/A | 38.0 ppb (36) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | N/A | 70.0 | |
| March 2, 2021, 5 a.m. | 73.0 ppb (72) | 29.7 ppb (29) | N/A | 44.0 ppb (42) | N/A | N/A | N/A | 0.42 ppb (5) | N/A | N/A | 72.0 | |
| March 2, 2021, 4 a.m. | 28.9 ppb (28) | 1.1 ppb (2) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 28.0 | |
| March 2, 2021, 3 a.m. | 24.8 ppb (24) | 2.3 ppb (3) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.4 ppb (5) | N/A | N/A | 24.0 | |
| March 2, 2021, 2 a.m. | 24.2 ppb (23) | 1.9 ppb (2) | N/A | 22.0 ppb (21) | N/A | N/A | N/A | 0.43 ppb (5) | N/A | N/A | 23.0 | |
| March 2, 2021, 1 a.m. | 34.9 ppb (33) | 7.4 ppb (7) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | 0.28 ppb (4) | N/A | N/A | 33.0 | |
| March 2, 2021, midnight | 42.2 ppb (40) | 14.6 ppb (14) | N/A | 28.0 ppb (27) | N/A | N/A | N/A | 0.3 ppb (4) | N/A | N/A | 40.0 | |
| March 1, 2021, 11 p.m. | 39.8 ppb (38) | 16.2 ppb (16) | N/A | 24.0 ppb (23) | N/A | N/A | N/A | 0.28 ppb (4) | N/A | N/A | 38.0 | |
| March 1, 2021, 10 p.m. | 26.4 ppb (25) | 10.5 ppb (10) | N/A | 16.0 ppb (16) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 25.0 | |
| March 1, 2021, 9 p.m. | 28.0 ppb (27) | 11.3 ppb (11) | N/A | 17.0 ppb (17) | N/A | N/A | N/A | 0.23 ppb (3) | N/A | N/A | 27.0 | |
| March 1, 2021, 8 p.m. | 46.4 ppb (44) | 21.6 ppb (21) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 0.25 ppb (3) | N/A | N/A | 44.0 | |
| March 1, 2021, 7 p.m. | 49.3 ppb (47) | 24.9 ppb (24) | N/A | 25.0 ppb (24) | N/A | N/A | N/A | 0.27 ppb (4) | N/A | N/A | 47.0 | |
| March 1, 2021, 6 p.m. | 54.9 ppb (52) | 28.3 ppb (27) | N/A | 27.0 ppb (26) | N/A | N/A | N/A | 0.28 ppb (4) | N/A | N/A | 52.0 | |
| March 1, 2021, 5 p.m. | 56.9 ppb (55) | 26.3 ppb (25) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | 0.38 ppb (5) | N/A | N/A | 55.0 | |
| March 1, 2021, 4 p.m. | 54.8 ppb (52) | 24.4 ppb (24) | N/A | 31.0 ppb (30) | N/A | N/A | N/A | 0.44 ppb (5) | N/A | N/A | 52.0 | |
| March 1, 2021, 3 p.m. | 127.4 ppb (106) | 85.4 ppb (85) | N/A | 42.0 ppb (40) | N/A | N/A | N/A | 0.66 ppb (8) | N/A | N/A | 106.0 | |
| March 1, 2021, 2 p.m. | 146.5 ppb (110) | 104.0 ppb (102) | N/A | 43.0 ppb (41) | N/A | N/A | N/A | 0.67 ppb (8) | N/A | N/A | 110.0 | |
| March 1, 2021, 1 p.m. | 130.6 ppb (107) | 89.8 ppb (90) | N/A | 41.0 ppb (39) | N/A | N/A | N/A | 0.61 ppb (7) | N/A | N/A | 107.0 | |
| March 1, 2021, noon | 79.3 ppb (78) | 38.9 ppb (37) | N/A | 41.0 ppb (39) | N/A | N/A | N/A | 0.41 ppb (5) | N/A | N/A | 78.0 | |
| March 1, 2021, 11 a.m. | 46.3 ppb (44) | 12.8 ppb (13) | N/A | 34.0 ppb (33) | N/A | N/A | N/A | 0.46 ppb (6) | N/A | N/A | 44.0 | |
| March 1, 2021, 10 a.m. | 53.9 ppb (51) | 19.1 ppb (19) | N/A | 35.0 ppb (34) | N/A | N/A | N/A | 0.51 ppb (6) | N/A | N/A | 51.0 | |
| March 1, 2021, 9 a.m. | 58.7 ppb (57) | 23.6 ppb (23) | N/A | 35.0 ppb (34) | N/A | N/A | N/A | 0.56 ppb (7) | N/A | N/A | 57.0 |