Visalia (Downtown) CA, US: 36.33252, -119.29095
Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Jan. 22, 2021, 5 a.m. | 32.2 ppb (31) | 6.1 ppb (6) | N/A | 26.0 ppb (25) | N/A | N/A | 8.0 ppb (8) | N/A | 59.4 μg/m3 (54) | 21.0 μg/m3 (70) | 70.0 | |
Jan. 22, 2021, 4 a.m. | 15.2 ppb (15) | 1.2 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 19.0 ppb (18) | N/A | 56.7 μg/m3 (52) | 15.0 μg/m3 (58) | 58.0 | |
Jan. 22, 2021, 3 a.m. | 51.4 ppb (49) | 20.3 ppb (20) | N/A | 31.0 ppb (30) | N/A | N/A | 7.0 ppb (7) | N/A | 101.3 μg/m3 (74) | 27.0 μg/m3 (83) | 83.0 | |
Jan. 22, 2021, 2 a.m. | 54.6 ppb (52) | 15.6 ppb (15) | N/A | 39.0 ppb (37) | N/A | N/A | 3.0 ppb (3) | N/A | 103.2 μg/m3 (75) | 20.0 μg/m3 (68) | 75.0 | |
Jan. 22, 2021, 1 a.m. | 29.1 ppb (28) | 2.2 ppb (3) | N/A | 27.0 ppb (26) | N/A | N/A | 17.0 ppb (16) | N/A | 62.5 μg/m3 (55) | 17.0 μg/m3 (62) | 62.0 | |
Jan. 22, 2021, midnight | 10.0 ppb (10) | 1.3 ppb (2) | N/A | 9.0 ppb (9) | N/A | N/A | 35.0 ppb (33) | N/A | 68.9 μg/m3 (58) | 11.0 μg/m3 (46) | 58.0 | |
Jan. 21, 2021, 11 p.m. | 4.9 ppb (5) | 0.9 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 41.0 ppb (38) | N/A | 46.9 μg/m3 (44) | 12.0 μg/m3 (50) | 50.0 | |
Jan. 21, 2021, 10 p.m. | 5.1 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 40.0 ppb (38) | N/A | 47.2 μg/m3 (44) | 10.0 μg/m3 (42) | 44.0 | |
Jan. 21, 2021, 9 p.m. | 5.3 ppb (5) | 1.3 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 38.0 ppb (36) | N/A | 48.4 μg/m3 (45) | 11.0 μg/m3 (46) | 46.0 | |
Jan. 21, 2021, 8 p.m. | 8.3 ppb (8) | 2.4 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 32.0 ppb (30) | N/A | 59.4 μg/m3 (54) | 13.0 μg/m3 (53) | 54.0 | |
Jan. 21, 2021, 7 p.m. | 9.7 ppb (10) | 2.9 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 28.0 ppb (26) | N/A | 74.2 μg/m3 (61) | 14.0 μg/m3 (55) | 61.0 | |
Jan. 21, 2021, 6 p.m. | 10.4 ppb (10) | 3.9 ppb (4) | N/A | 7.0 ppb (7) | N/A | N/A | 25.0 ppb (24) | N/A | 71.5 μg/m3 (60) | 13.0 μg/m3 (53) | 60.0 | |
Jan. 21, 2021, 5 p.m. | 15.8 ppb (15) | 6.0 ppb (6) | N/A | 10.0 ppb (10) | N/A | N/A | 20.0 ppb (19) | N/A | 56.5 μg/m3 (52) | 9.0 μg/m3 (38) | 52.0 | |
Jan. 21, 2021, 4 p.m. | 31.5 ppb (30) | 13.5 ppb (13) | N/A | 18.0 ppb (17) | N/A | N/A | 11.0 ppb (11) | N/A | 45.4 μg/m3 (43) | 8.0 μg/m3 (34) | 43.0 | |
Jan. 21, 2021, 3 p.m. | 75.5 ppb (74) | 48.2 ppb (46) | N/A | 27.0 ppb (26) | N/A | N/A | 1.0 ppb (1) | N/A | 95.4 μg/m3 (71) | 12.0 μg/m3 (50) | 74.0 | |
Jan. 21, 2021, 2 p.m. | 69.4 ppb (68) | 46.6 ppb (44) | N/A | 23.0 ppb (22) | N/A | N/A | 1.0 ppb (1) | N/A | 102.8 μg/m3 (75) | 14.0 μg/m3 (55) | 75.0 | |
Jan. 21, 2021, 1 p.m. | 38.8 ppb (37) | 16.8 ppb (16) | N/A | 22.0 ppb (21) | N/A | N/A | 1.0 ppb (1) | N/A | 62.3 μg/m3 (55) | 17.0 μg/m3 (62) | 62.0 | |
Jan. 21, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.3 μg/m3 (40) | 16.0 μg/m3 (60) | 60.0 | |
Jan. 21, 2021, 11 a.m. | 17.1 ppb (17) | 3.3 ppb (4) | N/A | 14.0 ppb (14) | N/A | N/A | 8.0 ppb (8) | N/A | 59.8 μg/m3 (54) | 14.0 μg/m3 (55) | 55.0 | |
Jan. 21, 2021, 10 a.m. | 17.5 ppb (17) | 2.4 ppb (3) | N/A | 15.0 ppb (15) | N/A | N/A | 5.0 ppb (5) | N/A | 64.5 μg/m3 (56) | 17.0 μg/m3 (62) | 62.0 | |
Jan. 21, 2021, 9 a.m. | 20.6 ppb (20) | 5.1 ppb (5) | N/A | 16.0 ppb (16) | N/A | N/A | 6.0 ppb (6) | N/A | 70.4 μg/m3 (59) | 21.0 μg/m3 (70) | 70.0 | |
Jan. 21, 2021, 8 a.m. | 18.5 ppb (18) | 3.0 ppb (3) | N/A | 16.0 ppb (16) | N/A | N/A | 7.0 ppb (7) | N/A | 53.4 μg/m3 (50) | 18.0 μg/m3 (64) | 64.0 | |
Jan. 21, 2021, 7 a.m. | 49.2 ppb (47) | 24.4 ppb (24) | N/A | 25.0 ppb (24) | N/A | N/A | 2.0 ppb (2) | N/A | 66.1 μg/m3 (57) | 29.0 μg/m3 (87) | 87.0 | |
Jan. 21, 2021, 6 a.m. | 83.1 ppb (82) | 56.8 ppb (54) | N/A | 26.0 ppb (25) | N/A | N/A | 1.0 ppb (1) | N/A | 103.2 μg/m3 (75) | 37.0 μg/m3 (105) | 105.0 | |
Jan. 21, 2021, 5 a.m. | 82.3 ppb (82) | 54.2 ppb (52) | N/A | 28.0 ppb (27) | N/A | N/A | 1.0 ppb (1) | N/A | 120.9 μg/m3 (84) | 35.0 μg/m3 (100) | 100.0 | |
Jan. 21, 2021, 4 a.m. | 78.6 ppb (78) | 48.5 ppb (46) | N/A | 30.0 ppb (29) | N/A | N/A | 1.0 ppb (1) | N/A | 115.1 μg/m3 (81) | 38.0 μg/m3 (108) | 108.0 | |
Jan. 21, 2021, 3 a.m. | 83.0 ppb (82) | 48.6 ppb (46) | N/A | 34.0 ppb (33) | N/A | N/A | 1.0 ppb (1) | N/A | 134.7 μg/m3 (91) | 38.0 μg/m3 (108) | 108.0 | |
Jan. 21, 2021, 2 a.m. | 55.5 ppb (53) | 18.9 ppb (18) | N/A | 37.0 ppb (35) | N/A | N/A | 1.0 ppb (1) | N/A | 97.6 μg/m3 (73) | 27.0 μg/m3 (83) | 83.0 | |
Jan. 21, 2021, 1 a.m. | 29.0 ppb (28) | 2.8 ppb (3) | N/A | 26.0 ppb (25) | N/A | N/A | 11.0 ppb (11) | N/A | 93.4 μg/m3 (71) | 16.0 μg/m3 (60) | 71.0 | |
Jan. 21, 2021, midnight | 13.1 ppb (13) | 1.7 ppb (2) | N/A | 11.0 ppb (11) | N/A | N/A | 27.0 ppb (25) | N/A | 64.1 μg/m3 (56) | 12.0 μg/m3 (50) | 56.0 | |
Jan. 20, 2021, 11 p.m. | 7.9 ppb (8) | 1.5 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 33.0 ppb (31) | N/A | 48.8 μg/m3 (46) | 11.0 μg/m3 (46) | 46.0 | |
Jan. 20, 2021, 10 p.m. | 7.7 ppb (8) | 1.9 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 31.0 ppb (29) | N/A | 46.8 μg/m3 (44) | 10.0 μg/m3 (42) | 44.0 | |
Jan. 20, 2021, 9 p.m. | 6.4 ppb (7) | 1.9 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 30.0 ppb (28) | N/A | 44.8 μg/m3 (42) | 6.0 μg/m3 (25) | 42.0 | |
Jan. 20, 2021, 8 p.m. | 8.4 ppb (8) | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 26.0 ppb (25) | N/A | 47.0 μg/m3 (44) | 5.0 μg/m3 (21) | 44.0 | |
Jan. 20, 2021, 7 p.m. | 9.1 ppb (9) | 3.6 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | 22.0 ppb (21) | N/A | 45.1 μg/m3 (42) | 6.0 μg/m3 (25) | 42.0 | |
Jan. 20, 2021, 6 p.m. | 12.1 ppb (12) | 5.4 ppb (6) | N/A | 7.0 ppb (7) | N/A | N/A | 18.0 ppb (17) | N/A | 45.0 μg/m3 (42) | 8.0 μg/m3 (34) | 42.0 | |
Jan. 20, 2021, 5 p.m. | 21.3 ppb (21) | 11.0 ppb (11) | N/A | 10.0 ppb (10) | N/A | N/A | 11.0 ppb (11) | N/A | 52.5 μg/m3 (49) | 10.0 μg/m3 (42) | 49.0 | |
Jan. 20, 2021, 4 p.m. | 30.9 ppb (30) | 18.0 ppb (17) | N/A | 13.0 ppb (13) | N/A | N/A | 5.0 ppb (5) | N/A | 64.5 μg/m3 (56) | 9.0 μg/m3 (38) | 56.0 | |
Jan. 20, 2021, 3 p.m. | 27.7 ppb (27) | 12.4 ppb (12) | N/A | 15.0 ppb (15) | N/A | N/A | 3.0 ppb (3) | N/A | 66.9 μg/m3 (57) | 17.0 μg/m3 (62) | 62.0 | |
Jan. 20, 2021, 2 p.m. | 37.5 ppb (36) | 18.2 ppb (18) | N/A | 19.0 ppb (18) | N/A | N/A | 1.0 ppb (1) | N/A | 47.9 μg/m3 (45) | 14.0 μg/m3 (55) | 55.0 | |
Jan. 20, 2021, 1 p.m. | 44.8 ppb (43) | 25.2 ppb (24) | N/A | 20.0 ppb (19) | N/A | N/A | 1.0 ppb (1) | N/A | 63.8 μg/m3 (56) | 22.0 μg/m3 (72) | 72.0 | |
Jan. 20, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 74.7 μg/m3 (61) | 18.0 μg/m3 (64) | 64.0 | |
Jan. 20, 2021, 11 a.m. | 43.2 ppb (41) | 21.8 ppb (21) | N/A | 22.0 ppb (21) | N/A | N/A | 1.0 ppb (1) | N/A | 82.5 μg/m3 (65) | 18.0 μg/m3 (64) | 65.0 | |
Jan. 20, 2021, 10 a.m. | 29.9 ppb (29) | 10.9 ppb (11) | N/A | 19.0 ppb (18) | N/A | N/A | 1.0 ppb (1) | N/A | 61.0 μg/m3 (54) | 17.0 μg/m3 (62) | 62.0 | |
Jan. 20, 2021, 9 a.m. | 28.2 ppb (27) | 7.8 ppb (8) | N/A | 20.0 ppb (19) | N/A | N/A | 1.0 ppb (1) | N/A | 65.8 μg/m3 (57) | 20.0 μg/m3 (68) | 68.0 | |
Jan. 20, 2021, 8 a.m. | 32.1 ppb (31) | 9.0 ppb (9) | N/A | 23.0 ppb (22) | N/A | N/A | 1.0 ppb (1) | N/A | 73.4 μg/m3 (61) | 17.0 μg/m3 (62) | 62.0 | |
Jan. 20, 2021, 7 a.m. | 47.9 ppb (46) | 20.3 ppb (20) | N/A | 28.0 ppb (27) | N/A | N/A | 1.0 ppb (1) | N/A | 60.4 μg/m3 (54) | 23.0 μg/m3 (74) | 74.0 | |
Jan. 20, 2021, 6 a.m. | 34.9 ppb (33) | 9.0 ppb (9) | N/A | 26.0 ppb (25) | N/A | N/A | 5.0 ppb (5) | N/A | 52.1 μg/m3 (49) | 14.0 μg/m3 (55) | 55.0 | |
Jan. 20, 2021, 5 a.m. | 64.5 ppb (63) | 35.8 ppb (34) | N/A | 29.0 ppb (28) | N/A | N/A | 1.0 ppb (1) | N/A | 95.5 μg/m3 (72) | 19.0 μg/m3 (66) | 72.0 | |
Jan. 20, 2021, 4 a.m. | 58.5 ppb (56) | 25.0 ppb (24) | N/A | 34.0 ppb (33) | N/A | N/A | 2.0 ppb (2) | N/A | 81.6 μg/m3 (65) | 18.0 μg/m3 (64) | 65.0 | |
Jan. 20, 2021, 3 a.m. | 31.8 ppb (30) | 5.3 ppb (5) | N/A | 27.0 ppb (26) | N/A | N/A | 9.0 ppb (9) | N/A | 58.6 μg/m3 (53) | 15.0 μg/m3 (58) | 58.0 | |
Jan. 20, 2021, 2 a.m. | 25.0 ppb (24) | 2.6 ppb (3) | N/A | 22.0 ppb (21) | N/A | N/A | 15.0 ppb (14) | N/A | 70.9 μg/m3 (59) | 21.0 μg/m3 (70) | 70.0 | |
Jan. 20, 2021, 1 a.m. | 18.5 ppb (18) | 1.4 ppb (2) | N/A | 17.0 ppb (17) | N/A | N/A | 21.0 ppb (20) | N/A | 71.0 μg/m3 (59) | 12.0 μg/m3 (50) | 59.0 | |
Jan. 20, 2021, midnight | 7.5 ppb (8) | 0.9 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | 34.0 ppb (32) | N/A | 59.2 μg/m3 (54) | 13.0 μg/m3 (53) | 54.0 | |
Jan. 19, 2021, 11 p.m. | 5.4 ppb (6) | 1.1 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 36.0 ppb (34) | N/A | 70.6 μg/m3 (59) | 7.0 μg/m3 (30) | 59.0 | |
Jan. 19, 2021, 10 p.m. | 6.1 ppb (6) | 1.5 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 34.0 ppb (32) | N/A | 68.8 μg/m3 (58) | 9.0 μg/m3 (38) | 58.0 | |
Jan. 19, 2021, 9 p.m. | 7.9 ppb (8) | 2.1 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 32.0 ppb (30) | N/A | 79.5 μg/m3 (64) | 13.0 μg/m3 (53) | 64.0 | |
Jan. 19, 2021, 8 p.m. | 9.7 ppb (10) | 2.8 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 30.0 ppb (28) | N/A | 76.6 μg/m3 (62) | 19.0 μg/m3 (66) | 66.0 | |
Jan. 19, 2021, 7 p.m. | 11.7 ppb (12) | 3.9 ppb (4) | N/A | 8.0 ppb (8) | N/A | N/A | 24.0 ppb (23) | N/A | 73.9 μg/m3 (61) | 21.0 μg/m3 (70) | 70.0 | |
Jan. 19, 2021, 6 p.m. | 12.4 ppb (12) | 4.4 ppb (5) | N/A | 8.0 ppb (8) | N/A | N/A | 23.0 ppb (22) | N/A | 74.7 μg/m3 (61) | 25.0 μg/m3 (79) | 79.0 | |
Jan. 19, 2021, 5 p.m. | 26.2 ppb (25) | 11.8 ppb (12) | N/A | 14.0 ppb (14) | N/A | N/A | 12.0 ppb (12) | N/A | 94.6 μg/m3 (71) | 23.0 μg/m3 (74) | 74.0 | |
Jan. 19, 2021, 4 p.m. | 21.1 ppb (20) | 8.2 ppb (8) | N/A | 13.0 ppb (13) | N/A | N/A | 9.0 ppb (9) | N/A | 84.9 μg/m3 (66) | 11.0 μg/m3 (46) | 66.0 | |
Jan. 19, 2021, 3 p.m. | 42.5 ppb (41) | 21.1 ppb (20) | N/A | 21.0 ppb (20) | N/A | N/A | 2.0 ppb (2) | N/A | 156.6 μg/m3 (102) | 17.0 μg/m3 (62) | 102.0 | |
Jan. 19, 2021, 2 p.m. | 23.5 ppb (23) | 5.1 ppb (5) | N/A | 18.0 ppb (17) | N/A | N/A | 5.0 ppb (5) | N/A | 70.0 μg/m3 (59) | 9.0 μg/m3 (38) | 59.0 | |
Jan. 19, 2021, 1 p.m. | 12.5 ppb (12) | 2.7 ppb (3) | N/A | 10.0 ppb (10) | N/A | N/A | 15.0 ppb (14) | N/A | 70.7 μg/m3 (59) | 11.0 μg/m3 (46) | 59.0 | |
Jan. 19, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 81.5 μg/m3 (65) | 10.0 μg/m3 (42) | 65.0 | |
Jan. 19, 2021, 11 a.m. | 7.7 ppb (8) | 1.7 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 17.0 ppb (16) | N/A | 77.4 μg/m3 (63) | 16.0 μg/m3 (60) | 63.0 | |
Jan. 19, 2021, 10 a.m. | 7.9 ppb (8) | 1.3 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 20.0 ppb (19) | N/A | 87.7 μg/m3 (68) | 32.0 μg/m3 (93) | 93.0 | |
Jan. 19, 2021, 9 a.m. | 9.5 ppb (9) | 2.8 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 24.0 ppb (23) | N/A | 70.9 μg/m3 (59) | 39.0 μg/m3 (110) | 110.0 | |
Jan. 19, 2021, 8 a.m. | 6.7 ppb (7) | 1.2 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 30.0 ppb (28) | N/A | 71.3 μg/m3 (60) | 45.0 μg/m3 (125) | 125.0 | |
Jan. 19, 2021, 7 a.m. | 9.4 ppb (9) | 1.6 ppb (2) | N/A | 8.0 ppb (8) | N/A | N/A | 26.0 ppb (25) | N/A | 83.1 μg/m3 (65) | 54.0 μg/m3 (147) | 147.0 | |
Jan. 19, 2021, 6 a.m. | 13.1 ppb (13) | 1.6 ppb (2) | N/A | 12.0 ppb (12) | N/A | N/A | 20.0 ppb (19) | N/A | 98.4 μg/m3 (73) | 64.0 μg/m3 (156) | 156.0 | |
Jan. 19, 2021, 5 a.m. | 17.2 ppb (17) | 2.0 ppb (2) | N/A | 15.0 ppb (15) | N/A | N/A | 18.0 ppb (17) | N/A | 102.3 μg/m3 (75) | 67.0 μg/m3 (157) | 157.0 | |
Jan. 19, 2021, 4 a.m. | 26.6 ppb (26) | 3.1 ppb (3) | N/A | 23.0 ppb (22) | N/A | N/A | 14.0 ppb (13) | N/A | 99.9 μg/m3 (74) | 64.0 μg/m3 (156) | 156.0 | |
Jan. 19, 2021, 3 a.m. | 33.4 ppb (32) | 4.0 ppb (4) | N/A | 29.0 ppb (28) | N/A | N/A | 11.0 ppb (11) | N/A | 101.3 μg/m3 (74) | 53.0 μg/m3 (145) | 145.0 | |
Jan. 19, 2021, 2 a.m. | 36.0 ppb (34) | 4.2 ppb (4) | N/A | 32.0 ppb (31) | N/A | N/A | 11.0 ppb (11) | N/A | 84.5 μg/m3 (66) | 46.0 μg/m3 (127) | 127.0 | |
Jan. 19, 2021, 1 a.m. | 16.4 ppb (16) | 0.9 ppb (1) | N/A | 16.0 ppb (16) | N/A | N/A | 31.0 ppb (29) | N/A | 71.7 μg/m3 (60) | 43.0 μg/m3 (120) | 120.0 | |
Jan. 19, 2021, midnight | 10.9 ppb (11) | 1.1 ppb (2) | N/A | 10.0 ppb (10) | N/A | N/A | 39.0 ppb (37) | N/A | 71.5 μg/m3 (60) | 38.0 μg/m3 (108) | 108.0 | |
Jan. 18, 2021, 11 p.m. | 8.4 ppb (8) | 1.3 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 42.0 ppb (39) | N/A | 68.6 μg/m3 (58) | 42.0 μg/m3 (118) | 118.0 | |
Jan. 18, 2021, 10 p.m. | 7.8 ppb (8) | 1.6 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 42.0 ppb (39) | N/A | 64.6 μg/m3 (56) | 40.0 μg/m3 (113) | 113.0 | |
Jan. 18, 2021, 9 p.m. | 8.1 ppb (8) | 1.9 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 41.0 ppb (38) | N/A | 81.5 μg/m3 (65) | 52.0 μg/m3 (142) | 142.0 | |
Jan. 18, 2021, 8 p.m. | 8.2 ppb (8) | 2.2 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 42.0 ppb (39) | N/A | 69.1 μg/m3 (58) | 46.0 μg/m3 (127) | 127.0 | |
Jan. 18, 2021, 7 p.m. | 14.4 ppb (14) | 4.1 ppb (4) | N/A | 10.0 ppb (10) | N/A | N/A | 33.0 ppb (31) | N/A | 75.9 μg/m3 (62) | 52.0 μg/m3 (142) | 142.0 | |
Jan. 18, 2021, 6 p.m. | 14.2 ppb (14) | 4.4 ppb (5) | N/A | 10.0 ppb (10) | N/A | N/A | 27.0 ppb (25) | N/A | 58.3 μg/m3 (53) | 43.0 μg/m3 (120) | 120.0 | |
Jan. 18, 2021, 5 p.m. | 26.3 ppb (25) | 10.0 ppb (10) | N/A | 16.0 ppb (16) | N/A | N/A | 16.0 ppb (15) | N/A | 67.7 μg/m3 (58) | 41.0 μg/m3 (115) | 115.0 | |
Jan. 18, 2021, 4 p.m. | 51.3 ppb (49) | 31.2 ppb (30) | N/A | 20.0 ppb (19) | N/A | N/A | 4.0 ppb (4) | N/A | 68.7 μg/m3 (58) | 25.0 μg/m3 (79) | 79.0 | |
Jan. 18, 2021, 3 p.m. | 49.0 ppb (47) | 27.8 ppb (27) | N/A | 21.0 ppb (20) | N/A | N/A | 1.0 ppb (1) | N/A | 57.8 μg/m3 (53) | 24.0 μg/m3 (77) | 77.0 | |
Jan. 18, 2021, 2 p.m. | 21.7 ppb (21) | 6.8 ppb (7) | N/A | 15.0 ppb (15) | N/A | N/A | 3.0 ppb (3) | N/A | 65.3 μg/m3 (57) | 29.0 μg/m3 (87) | 87.0 | |
Jan. 18, 2021, 1 p.m. | 29.3 ppb (28) | 10.8 ppb (11) | N/A | 18.0 ppb (17) | N/A | N/A | 1.0 ppb (1) | N/A | 44.8 μg/m3 (42) | 25.0 μg/m3 (79) | 79.0 | |
Jan. 18, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.1 μg/m3 (29) | 20.0 μg/m3 (68) | 68.0 | |
Jan. 18, 2021, 11 a.m. | 22.3 ppb (22) | 5.0 ppb (5) | N/A | 17.0 ppb (17) | N/A | N/A | 2.0 ppb (2) | N/A | 43.4 μg/m3 (41) | 29.0 μg/m3 (87) | 87.0 | |
Jan. 18, 2021, 10 a.m. | 22.9 ppb (22) | 3.7 ppb (4) | N/A | 19.0 ppb (18) | N/A | N/A | 3.0 ppb (3) | N/A | 44.0 μg/m3 (41) | 34.0 μg/m3 (98) | 98.0 | |
Jan. 18, 2021, 9 a.m. | 17.0 ppb (17) | 4.0 ppb (4) | N/A | 13.0 ppb (13) | N/A | N/A | 13.0 ppb (13) | N/A | 37.0 μg/m3 (35) | 27.0 μg/m3 (83) | 83.0 | |
Jan. 18, 2021, 8 a.m. | 14.3 ppb (14) | 2.2 ppb (3) | N/A | 12.0 ppb (12) | N/A | N/A | 13.0 ppb (13) | N/A | 52.4 μg/m3 (49) | 39.0 μg/m3 (110) | 110.0 | |
Jan. 18, 2021, 7 a.m. | 18.5 ppb (18) | 2.6 ppb (3) | N/A | 16.0 ppb (16) | N/A | N/A | 10.0 ppb (10) | N/A | 62.4 μg/m3 (55) | 45.0 μg/m3 (125) | 125.0 | |
Jan. 18, 2021, 6 a.m. | 20.2 ppb (20) | 2.3 ppb (3) | N/A | 18.0 ppb (17) | N/A | N/A | 11.0 ppb (11) | N/A | 65.6 μg/m3 (57) | 42.0 μg/m3 (118) | 118.0 | |
Jan. 18, 2021, 5 a.m. | 27.6 ppb (27) | 3.1 ppb (3) | N/A | 25.0 ppb (24) | N/A | N/A | 7.0 ppb (7) | N/A | 76.8 μg/m3 (62) | 53.0 μg/m3 (145) | 145.0 | |
Jan. 18, 2021, 4 a.m. | 41.0 ppb (39) | 10.7 ppb (11) | N/A | 30.0 ppb (29) | N/A | N/A | 3.0 ppb (3) | N/A | 93.1 μg/m3 (70) | 62.0 μg/m3 (155) | 155.0 | |
Jan. 18, 2021, 3 a.m. | 39.0 ppb (37) | 5.9 ppb (6) | N/A | 33.0 ppb (32) | N/A | N/A | 7.0 ppb (7) | N/A | 79.4 μg/m3 (64) | 58.0 μg/m3 (153) | 153.0 | |
Jan. 18, 2021, 2 a.m. | 34.3 ppb (33) | 2.8 ppb (3) | N/A | 32.0 ppb (31) | N/A | N/A | 11.0 ppb (11) | N/A | 79.3 μg/m3 (64) | 53.0 μg/m3 (145) | 145.0 | |
Jan. 18, 2021, 1 a.m. | 22.3 ppb (22) | 1.4 ppb (2) | N/A | 21.0 ppb (20) | N/A | N/A | 24.0 ppb (23) | N/A | 57.6 μg/m3 (53) | 42.0 μg/m3 (118) | 118.0 | |
Jan. 18, 2021, midnight | 7.7 ppb (8) | 0.8 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | 41.0 ppb (38) | N/A | 49.9 μg/m3 (47) | 39.0 μg/m3 (110) | 110.0 | |
Jan. 17, 2021, 11 p.m. | 7.6 ppb (8) | 1.2 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 42.0 ppb (39) | N/A | 58.3 μg/m3 (53) | 38.0 μg/m3 (108) | 108.0 | |
Jan. 17, 2021, 10 p.m. | 6.1 ppb (6) | 1.2 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 44.0 ppb (41) | N/A | 49.4 μg/m3 (46) | 34.0 μg/m3 (98) | 98.0 | |
Jan. 17, 2021, 9 p.m. | 6.2 ppb (6) | 1.5 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 42.0 ppb (39) | N/A | 48.5 μg/m3 (45) | 31.0 μg/m3 (91) | 91.0 | |
Jan. 17, 2021, 8 p.m. | 6.7 ppb (7) | 1.9 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 39.0 ppb (37) | N/A | 45.8 μg/m3 (43) | 34.0 μg/m3 (98) | 98.0 | |
Jan. 17, 2021, 7 p.m. | 8.4 ppb (8) | 2.4 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 34.0 ppb (32) | N/A | 58.1 μg/m3 (53) | 34.0 μg/m3 (98) | 98.0 | |
Jan. 17, 2021, 6 p.m. | 15.7 ppb (15) | 4.6 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | 27.0 ppb (25) | N/A | 67.7 μg/m3 (58) | 42.0 μg/m3 (118) | 118.0 | |
Jan. 17, 2021, 5 p.m. | 16.8 ppb (16) | 5.5 ppb (6) | N/A | 11.0 ppb (11) | N/A | N/A | 22.0 ppb (21) | N/A | 60.6 μg/m3 (54) | 39.0 μg/m3 (110) | 110.0 | |
Jan. 17, 2021, 4 p.m. | 32.1 ppb (31) | 15.8 ppb (15) | N/A | 16.0 ppb (16) | N/A | N/A | 8.0 ppb (8) | N/A | 52.6 μg/m3 (49) | 35.0 μg/m3 (100) | 100.0 | |
Jan. 17, 2021, 3 p.m. | 36.2 ppb (35) | 19.1 ppb (19) | N/A | 17.0 ppb (17) | N/A | N/A | 2.0 ppb (2) | N/A | 50.1 μg/m3 (47) | 36.0 μg/m3 (103) | 103.0 | |
Jan. 17, 2021, 2 p.m. | 37.2 ppb (36) | 18.3 ppb (18) | N/A | 19.0 ppb (18) | N/A | N/A | 2.0 ppb (2) | N/A | 52.1 μg/m3 (49) | 33.0 μg/m3 (95) | 95.0 | |
Jan. 17, 2021, 1 p.m. | 41.2 ppb (39) | 24.9 ppb (24) | N/A | 16.0 ppb (16) | N/A | N/A | 1.0 ppb (1) | N/A | 63.0 μg/m3 (55) | 43.0 μg/m3 (120) | 120.0 | |
Jan. 17, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 60.1 μg/m3 (54) | 38.0 μg/m3 (108) | 108.0 | |
Jan. 17, 2021, 11 a.m. | 21.3 ppb (21) | 4.6 ppb (5) | N/A | 17.0 ppb (17) | N/A | N/A | 4.0 ppb (4) | N/A | 51.5 μg/m3 (48) | 40.0 μg/m3 (113) | 113.0 | |
Jan. 17, 2021, 10 a.m. | 13.1 ppb (13) | 2.1 ppb (2) | N/A | 11.0 ppb (11) | N/A | N/A | 13.0 ppb (13) | N/A | 60.5 μg/m3 (54) | 39.0 μg/m3 (110) | 110.0 | |
Jan. 17, 2021, 9 a.m. | 14.0 ppb (14) | 1.9 ppb (2) | N/A | 12.0 ppb (12) | N/A | N/A | 10.0 ppb (10) | N/A | 60.5 μg/m3 (54) | 45.0 μg/m3 (125) | 125.0 | |
Jan. 17, 2021, 8 a.m. | 15.5 ppb (15) | 2.0 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 12.0 ppb (12) | N/A | 66.9 μg/m3 (57) | 48.0 μg/m3 (132) | 132.0 | |
Jan. 17, 2021, 7 a.m. | 16.5 ppb (16) | 2.1 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 12.0 ppb (12) | N/A | 66.7 μg/m3 (57) | 48.0 μg/m3 (132) | 132.0 | |
Jan. 17, 2021, 6 a.m. | 14.0 ppb (14) | 2.3 ppb (3) | N/A | 12.0 ppb (12) | N/A | N/A | 16.0 ppb (15) | N/A | 70.5 μg/m3 (59) | 49.0 μg/m3 (135) | 135.0 | |
Jan. 17, 2021, 5 a.m. | 15.7 ppb (15) | 2.0 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 15.0 ppb (14) | N/A | 74.6 μg/m3 (61) | 52.0 μg/m3 (142) | 142.0 | |
Jan. 17, 2021, 4 a.m. | 35.0 ppb (34) | 9.6 ppb (10) | N/A | 25.0 ppb (24) | N/A | N/A | 4.0 ppb (4) | N/A | 85.4 μg/m3 (67) | 56.0 μg/m3 (152) | 152.0 | |
Jan. 17, 2021, 3 a.m. | 40.7 ppb (39) | 10.2 ppb (10) | N/A | 31.0 ppb (30) | N/A | N/A | 1.0 ppb (1) | N/A | 90.5 μg/m3 (69) | 50.0 μg/m3 (137) | 137.0 | |
Jan. 17, 2021, 2 a.m. | 30.7 ppb (29) | 3.3 ppb (4) | N/A | 27.0 ppb (26) | N/A | N/A | 5.0 ppb (5) | N/A | 85.1 μg/m3 (66) | 43.0 μg/m3 (120) | 120.0 | |
Jan. 17, 2021, 1 a.m. | 14.4 ppb (14) | 0.9 ppb (1) | N/A | 14.0 ppb (14) | N/A | N/A | 25.0 ppb (24) | N/A | 58.5 μg/m3 (53) | 40.0 μg/m3 (113) | 113.0 | |
Jan. 17, 2021, midnight | 8.1 ppb (8) | 1.0 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | 35.0 ppb (33) | N/A | 55.8 μg/m3 (52) | 35.0 μg/m3 (100) | 100.0 | |
Jan. 16, 2021, 11 p.m. | 8.5 ppb (9) | 1.7 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 36.0 ppb (34) | N/A | 55.4 μg/m3 (52) | 38.0 μg/m3 (108) | 108.0 | |
Jan. 16, 2021, 10 p.m. | 8.3 ppb (8) | 1.9 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 36.0 ppb (34) | N/A | 62.4 μg/m3 (55) | 42.0 μg/m3 (118) | 118.0 | |
Jan. 16, 2021, 9 p.m. | 9.4 ppb (9) | 2.8 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 33.0 ppb (31) | N/A | 56.8 μg/m3 (52) | 44.0 μg/m3 (122) | 122.0 | |
Jan. 16, 2021, 8 p.m. | 8.9 ppb (9) | 2.8 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 29.0 ppb (27) | N/A | 65.6 μg/m3 (57) | 49.0 μg/m3 (135) | 135.0 | |
Jan. 16, 2021, 7 p.m. | 10.1 ppb (10) | 3.5 ppb (4) | N/A | 7.0 ppb (7) | N/A | N/A | 24.0 ppb (23) | N/A | 75.3 μg/m3 (62) | 49.0 μg/m3 (135) | 135.0 | |
Jan. 16, 2021, 6 p.m. | 11.9 ppb (12) | 4.6 ppb (5) | N/A | 7.0 ppb (7) | N/A | N/A | 20.0 ppb (19) | N/A | 74.3 μg/m3 (61) | 43.0 μg/m3 (120) | 120.0 | |
Jan. 16, 2021, 5 p.m. | 12.9 ppb (13) | 4.9 ppb (5) | N/A | 8.0 ppb (8) | N/A | N/A | 18.0 ppb (17) | N/A | 70.3 μg/m3 (59) | 42.0 μg/m3 (118) | 118.0 | |
Jan. 16, 2021, 4 p.m. | 23.1 ppb (22) | 9.4 ppb (9) | N/A | 14.0 ppb (14) | N/A | N/A | 8.0 ppb (8) | N/A | 70.1 μg/m3 (59) | 45.0 μg/m3 (125) | 125.0 | |
Jan. 16, 2021, 3 p.m. | 28.3 ppb (27) | 12.5 ppb (12) | N/A | 16.0 ppb (16) | N/A | N/A | 2.0 ppb (2) | N/A | 75.0 μg/m3 (61) | 41.0 μg/m3 (115) | 115.0 | |
Jan. 16, 2021, 2 p.m. | 19.4 ppb (19) | 5.0 ppb (5) | N/A | 15.0 ppb (15) | N/A | N/A | 4.0 ppb (4) | N/A | 68.5 μg/m3 (58) | 41.0 μg/m3 (115) | 115.0 | |
Jan. 16, 2021, 1 p.m. | 15.5 ppb (15) | 3.7 ppb (4) | N/A | 12.0 ppb (12) | N/A | N/A | 6.0 ppb (6) | N/A | 67.2 μg/m3 (58) | 39.0 μg/m3 (110) | 110.0 | |
Jan. 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 69.7 μg/m3 (59) | 47.0 μg/m3 (130) | 130.0 | |
Jan. 16, 2021, 11 a.m. | 16.9 ppb (16) | 3.1 ppb (3) | N/A | 14.0 ppb (14) | N/A | N/A | 3.0 ppb (3) | N/A | 71.3 μg/m3 (60) | 48.0 μg/m3 (132) | 132.0 | |
Jan. 16, 2021, 10 a.m. | 17.1 ppb (17) | 3.3 ppb (4) | N/A | 14.0 ppb (14) | N/A | N/A | 3.0 ppb (3) | N/A | 67.4 μg/m3 (58) | 44.0 μg/m3 (122) | 122.0 | |
Jan. 16, 2021, 9 a.m. | 19.8 ppb (19) | 4.7 ppb (5) | N/A | 15.0 ppb (15) | N/A | N/A | 1.0 ppb (1) | N/A | 66.1 μg/m3 (57) | 44.0 μg/m3 (122) | 122.0 | |
Jan. 16, 2021, 8 a.m. | 19.8 ppb (19) | 3.6 ppb (4) | N/A | 16.0 ppb (16) | N/A | N/A | 2.0 ppb (2) | N/A | 63.3 μg/m3 (56) | 46.0 μg/m3 (127) | 127.0 | |
Jan. 16, 2021, 7 a.m. | 23.9 ppb (23) | 5.2 ppb (5) | N/A | 19.0 ppb (18) | N/A | N/A | 4.0 ppb (4) | N/A | 64.4 μg/m3 (56) | 45.0 μg/m3 (125) | 125.0 | |
Jan. 16, 2021, 6 a.m. | 24.4 ppb (24) | 3.8 ppb (4) | N/A | 21.0 ppb (20) | N/A | N/A | 4.0 ppb (4) | N/A | 63.3 μg/m3 (56) | 43.0 μg/m3 (120) | 120.0 | |
Jan. 16, 2021, 5 a.m. | 20.0 ppb (19) | 2.7 ppb (3) | N/A | 17.0 ppb (17) | N/A | N/A | 12.0 ppb (12) | N/A | 57.5 μg/m3 (53) | 38.0 μg/m3 (108) | 108.0 | |
Jan. 16, 2021, 4 a.m. | 19.6 ppb (19) | 2.1 ppb (2) | N/A | 17.0 ppb (17) | N/A | N/A | 12.0 ppb (12) | N/A | 58.7 μg/m3 (53) | 37.0 μg/m3 (105) | 105.0 | |
Jan. 16, 2021, 3 a.m. | 19.9 ppb (19) | 2.0 ppb (2) | N/A | 18.0 ppb (17) | N/A | N/A | 13.0 ppb (13) | N/A | 57.1 μg/m3 (53) | 37.0 μg/m3 (105) | 105.0 | |
Jan. 16, 2021, 2 a.m. | 19.8 ppb (19) | 1.8 ppb (2) | N/A | 18.0 ppb (17) | N/A | N/A | 15.0 ppb (14) | N/A | 69.1 μg/m3 (58) | 35.0 μg/m3 (100) | 100.0 | |
Jan. 16, 2021, 1 a.m. | 15.5 ppb (15) | 1.3 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 22.0 ppb (21) | N/A | 70.5 μg/m3 (59) | 34.0 μg/m3 (98) | 98.0 | |
Jan. 16, 2021, midnight | 15.3 ppb (15) | 2.1 ppb (2) | N/A | 13.0 ppb (13) | N/A | N/A | 27.0 ppb (25) | N/A | 87.8 μg/m3 (68) | 43.0 μg/m3 (120) | 120.0 | |
Jan. 15, 2021, 11 p.m. | 10.9 ppb (11) | 2.0 ppb (2) | N/A | 9.0 ppb (9) | N/A | N/A | 35.0 ppb (33) | N/A | 72.4 μg/m3 (60) | 36.0 μg/m3 (103) | 103.0 | |
Jan. 15, 2021, 10 p.m. | 8.6 ppb (9) | 1.9 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 39.0 ppb (37) | N/A | 64.4 μg/m3 (56) | 29.0 μg/m3 (87) | 87.0 | |
Jan. 15, 2021, 9 p.m. | 8.3 ppb (8) | 2.0 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 39.0 ppb (37) | N/A | 61.8 μg/m3 (55) | 36.0 μg/m3 (103) | 103.0 | |
Jan. 15, 2021, 8 p.m. | 9.9 ppb (10) | 2.9 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 34.0 ppb (32) | N/A | 69.5 μg/m3 (59) | 42.0 μg/m3 (118) | 118.0 | |
Jan. 15, 2021, 7 p.m. | 13.3 ppb (13) | 4.0 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | 30.0 ppb (28) | N/A | 85.4 μg/m3 (67) | 44.0 μg/m3 (122) | 122.0 | |
Jan. 15, 2021, 6 p.m. | 12.1 ppb (12) | 4.1 ppb (4) | N/A | 8.0 ppb (8) | N/A | N/A | 26.0 ppb (25) | N/A | 52.9 μg/m3 (49) | 31.0 μg/m3 (91) | 91.0 | |
Jan. 15, 2021, 5 p.m. | 24.1 ppb (23) | 10.2 ppb (10) | N/A | 14.0 ppb (14) | N/A | N/A | 17.0 ppb (16) | N/A | 55.8 μg/m3 (52) | 28.0 μg/m3 (85) | 85.0 | |
Jan. 15, 2021, 4 p.m. | 64.2 ppb (62) | 40.1 ppb (38) | N/A | 24.0 ppb (23) | N/A | N/A | 4.0 ppb (4) | N/A | 98.1 μg/m3 (73) | 40.0 μg/m3 (113) | 113.0 | |
Jan. 15, 2021, 3 p.m. | 58.1 ppb (56) | 36.7 ppb (35) | N/A | 21.0 ppb (20) | N/A | N/A | 1.0 ppb (1) | N/A | 78.3 μg/m3 (63) | 41.0 μg/m3 (115) | 115.0 | |
Jan. 15, 2021, 2 p.m. | 38.9 ppb (37) | 18.6 ppb (18) | N/A | 20.0 ppb (19) | N/A | N/A | 1.0 ppb (1) | N/A | 77.9 μg/m3 (63) | 46.0 μg/m3 (127) | 127.0 | |
Jan. 15, 2021, 1 p.m. | 20.6 ppb (20) | 4.2 ppb (4) | N/A | 16.0 ppb (16) | N/A | N/A | 5.0 ppb (5) | N/A | 96.6 μg/m3 (72) | 49.0 μg/m3 (135) | 135.0 | |
Jan. 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 75.0 μg/m3 (61) | 48.0 μg/m3 (132) | 132.0 | |
Jan. 15, 2021, 11 a.m. | 20.8 ppb (20) | 2.9 ppb (3) | N/A | 18.0 ppb (17) | N/A | N/A | 5.0 ppb (5) | N/A | 68.7 μg/m3 (58) | 40.0 μg/m3 (113) | 113.0 | |
Jan. 15, 2021, 10 a.m. | 28.6 ppb (27) | 7.9 ppb (8) | N/A | 21.0 ppb (20) | N/A | N/A | 5.0 ppb (5) | N/A | 51.6 μg/m3 (48) | 32.0 μg/m3 (93) | 93.0 | |
Jan. 15, 2021, 9 a.m. | 41.7 ppb (40) | 15.9 ppb (15) | N/A | 26.0 ppb (25) | N/A | N/A | 1.0 ppb (1) | N/A | 52.8 μg/m3 (49) | 34.0 μg/m3 (98) | 98.0 | |
Jan. 15, 2021, 8 a.m. | 19.2 ppb (19) | 3.6 ppb (4) | N/A | 16.0 ppb (16) | N/A | N/A | 10.0 ppb (10) | N/A | 44.4 μg/m3 (42) | 32.0 μg/m3 (93) | 93.0 | |
Jan. 15, 2021, 7 a.m. | 22.6 ppb (22) | 5.3 ppb (5) | N/A | 17.0 ppb (17) | N/A | N/A | 10.0 ppb (10) | N/A | 51.9 μg/m3 (49) | 39.0 μg/m3 (110) | 110.0 | |
Jan. 15, 2021, 6 a.m. | 52.9 ppb (50) | 26.0 ppb (25) | N/A | 27.0 ppb (26) | N/A | N/A | 1.0 ppb (1) | N/A | 77.9 μg/m3 (63) | 45.0 μg/m3 (125) | 125.0 |