Livermore (Trevarno) CA, US: 37.687526, -121.784217
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 16, 2021, 3 p.m. | 68.7 ppb (67) | 51.6 ppb (49) | N/A | 17.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 14.0 μg/m3 (55) | 67.0 | |
| Jan. 16, 2021, 2 p.m. | 54.7 ppb (52) | 38.9 ppb (37) | N/A | 16.0 ppb (16) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 12.0 μg/m3 (50) | 52.0 | |
| Jan. 16, 2021, 1 p.m. | 38.4 ppb (37) | 22.4 ppb (22) | N/A | 16.0 ppb (16) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Jan. 16, 2021, noon | 31.1 ppb (30) | 14.8 ppb (14) | N/A | 16.0 ppb (16) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Jan. 16, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Jan. 16, 2021, 10 a.m. | 23.1 ppb (22) | 5.2 ppb (5) | N/A | 18.0 ppb (17) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| Jan. 16, 2021, 9 a.m. | 33.6 ppb (32) | 13.6 ppb (13) | N/A | 20.0 ppb (19) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| Jan. 16, 2021, 8 a.m. | 38.7 ppb (37) | 17.1 ppb (17) | N/A | 22.0 ppb (21) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 20.0 μg/m3 (68) | 68.0 | |
| Jan. 16, 2021, 7 a.m. | 29.3 ppb (28) | 6.8 ppb (7) | N/A | 23.0 ppb (22) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| Jan. 16, 2021, 6 a.m. | 27.2 ppb (26) | 4.3 ppb (5) | N/A | 23.0 ppb (22) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 21.0 μg/m3 (70) | 70.0 | |
| Jan. 16, 2021, 5 a.m. | 17.9 ppb (17) | 1.0 ppb (1) | N/A | 17.0 ppb (17) | N/A | N/A | 10.0 ppb (10) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| Jan. 16, 2021, 4 a.m. | 8.4 ppb (8) | 0.4 ppb (1) | N/A | 8.0 ppb (8) | N/A | N/A | 23.0 ppb (22) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Jan. 16, 2021, 3 a.m. | 14.6 ppb (14) | 0.9 ppb (1) | N/A | 14.0 ppb (14) | N/A | N/A | 18.0 ppb (17) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| Jan. 16, 2021, 2 a.m. | 11.6 ppb (11) | 0.7 ppb (1) | N/A | 11.0 ppb (11) | N/A | N/A | 26.0 ppb (25) | N/A | N/A | 22.0 μg/m3 (72) | 72.0 | |
| Jan. 16, 2021, 1 a.m. | 7.9 ppb (8) | 0.5 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | 30.0 ppb (28) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Jan. 16, 2021, midnight | 11.2 ppb (11) | 1.5 ppb (2) | N/A | 10.0 ppb (10) | N/A | N/A | 25.0 ppb (24) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Jan. 15, 2021, 11 p.m. | 11.2 ppb (11) | 2.5 ppb (3) | N/A | 9.0 ppb (9) | N/A | N/A | 23.0 ppb (22) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| Jan. 15, 2021, 10 p.m. | 10.8 ppb (11) | 2.8 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | 25.0 ppb (24) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| Jan. 15, 2021, 9 p.m. | 9.0 ppb (9) | 2.2 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 28.0 ppb (26) | N/A | N/A | 6.0 μg/m3 (25) | 26.0 | |
| Jan. 15, 2021, 8 p.m. | 13.7 ppb (13) | 5.0 ppb (5) | N/A | 9.0 ppb (9) | N/A | N/A | 23.0 ppb (22) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| Jan. 15, 2021, 7 p.m. | 30.2 ppb (29) | 14.6 ppb (14) | N/A | 16.0 ppb (16) | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Jan. 15, 2021, 6 p.m. | 52.1 ppb (50) | 32.8 ppb (31) | N/A | 19.0 ppb (18) | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 9.0 μg/m3 (38) | 50.0 | |
| Jan. 15, 2021, 5 p.m. | 59.2 ppb (57) | 39.7 ppb (38) | N/A | 20.0 ppb (19) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 11.0 μg/m3 (46) | 57.0 | |
| Jan. 15, 2021, 4 p.m. | 70.1 ppb (69) | 51.5 ppb (49) | N/A | 19.0 ppb (18) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 9.0 μg/m3 (38) | 69.0 | |
| Jan. 15, 2021, 3 p.m. | 78.2 ppb (77) | 59.3 ppb (57) | N/A | 19.0 ppb (18) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 7.0 μg/m3 (30) | 77.0 | |
| Jan. 15, 2021, 2 p.m. | 65.1 ppb (63) | 47.0 ppb (45) | N/A | 18.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 6.0 μg/m3 (25) | 63.0 | |
| Jan. 15, 2021, 1 p.m. | 52.1 ppb (50) | 34.0 ppb (33) | N/A | 18.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 7.0 μg/m3 (30) | 50.0 | |
| Jan. 15, 2021, noon | 42.8 ppb (41) | 25.4 ppb (24) | N/A | 17.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| Jan. 15, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (68) | 68.0 | |
| Jan. 15, 2021, 10 a.m. | 32.7 ppb (31) | 15.3 ppb (15) | N/A | 17.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 6.0 μg/m3 (25) | 31.0 | |
| Jan. 15, 2021, 9 a.m. | 31.6 ppb (30) | 13.3 ppb (13) | N/A | 18.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 6.0 μg/m3 (25) | 30.0 | |
| Jan. 15, 2021, 8 a.m. | 28.1 ppb (27) | 8.5 ppb (9) | N/A | 20.0 ppb (19) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| Jan. 15, 2021, 7 a.m. | 36.8 ppb (35) | 18.2 ppb (18) | N/A | 19.0 ppb (18) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Jan. 15, 2021, 6 a.m. | 33.4 ppb (32) | 14.4 ppb (14) | N/A | 19.0 ppb (18) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Jan. 15, 2021, 5 a.m. | 52.9 ppb (50) | 29.3 ppb (28) | N/A | 24.0 ppb (23) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 21.0 μg/m3 (70) | 70.0 | |
| Jan. 15, 2021, 4 a.m. | 47.4 ppb (45) | 20.9 ppb (20) | N/A | 27.0 ppb (26) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| Jan. 15, 2021, 3 a.m. | 31.2 ppb (30) | 6.0 ppb (6) | N/A | 25.0 ppb (24) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Jan. 15, 2021, 2 a.m. | 32.2 ppb (31) | 7.9 ppb (8) | N/A | 24.0 ppb (23) | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 7.0 μg/m3 (30) | 31.0 | |
| Jan. 15, 2021, 1 a.m. | 10.9 ppb (11) | 0.6 ppb (1) | N/A | 10.0 ppb (10) | N/A | N/A | 23.0 ppb (22) | N/A | N/A | 5.0 μg/m3 (21) | 22.0 | |
| Jan. 15, 2021, midnight | 5.6 ppb (6) | 0.8 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 30.0 ppb (28) | N/A | N/A | 3.0 μg/m3 (13) | 28.0 | |
| Jan. 14, 2021, 11 p.m. | 4.1 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 30.0 ppb (28) | N/A | N/A | 4.0 μg/m3 (17) | 28.0 | |
| Jan. 14, 2021, 10 p.m. | 4.1 ppb (4) | 0.9 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 31.0 ppb (29) | N/A | N/A | 6.0 μg/m3 (25) | 29.0 | |
| Jan. 14, 2021, 9 p.m. | 3.7 ppb (4) | 0.9 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 29.0 ppb (27) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| Jan. 14, 2021, 8 p.m. | 3.7 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 26.0 | |
| Jan. 14, 2021, 7 p.m. | 3.6 ppb (4) | 0.9 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 26.0 ppb (25) | N/A | N/A | N/A | 25.0 | |
| Jan. 14, 2021, 6 p.m. | 4.5 ppb (5) | 1.1 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 24.0 ppb (23) | N/A | N/A | 2.0 μg/m3 (9) | 23.0 | |
| Jan. 14, 2021, 5 p.m. | 5.8 ppb (6) | 1.4 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 22.0 ppb (21) | N/A | N/A | 2.0 μg/m3 (9) | 21.0 | |
| Jan. 14, 2021, 4 p.m. | 6.4 ppb (7) | 1.3 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 19.0 ppb (18) | N/A | N/A | -1.0 μg/m3 (0) | 18.0 | |
| Jan. 14, 2021, 3 p.m. | 7.5 ppb (8) | 0.6 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | 17.0 ppb (16) | N/A | N/A | 0.0 μg/m3 (0) | 16.0 | |
| Jan. 14, 2021, 2 p.m. | 7.2 ppb (7) | 0.7 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | 17.0 ppb (16) | N/A | N/A | 2.0 μg/m3 (9) | 16.0 | |
| Jan. 14, 2021, 1 p.m. | 5.0 ppb (5) | 0.5 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 0.0 μg/m3 (0) | 19.0 | |
| Jan. 14, 2021, noon | 4.4 ppb (5) | 0.4 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 21.0 ppb (20) | N/A | N/A | 2.0 μg/m3 (9) | 20.0 | |
| Jan. 14, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 14, 2021, 10 a.m. | 4.1 ppb (4) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 21.0 ppb (20) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Jan. 14, 2021, 9 a.m. | 4.4 ppb (5) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 21.0 ppb (20) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Jan. 14, 2021, 8 a.m. | 4.0 ppb (4) | 0.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 23.0 ppb (22) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| Jan. 14, 2021, 7 a.m. | 5.4 ppb (6) | 0.2 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 21.0 ppb (20) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| Jan. 14, 2021, 6 a.m. | 5.4 ppb (6) | 0.3 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 18.0 μg/m3 (64) | 64.0 | |
| Jan. 14, 2021, 5 a.m. | 6.6 ppb (7) | 0.3 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| Jan. 14, 2021, 4 a.m. | 9.3 ppb (9) | 0.6 ppb (1) | N/A | 9.0 ppb (9) | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 18.0 μg/m3 (64) | 64.0 | |
| Jan. 14, 2021, 3 a.m. | 13.3 ppb (13) | 1.4 ppb (2) | N/A | 12.0 ppb (12) | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Jan. 14, 2021, 2 a.m. | 10.8 ppb (11) | 0.8 ppb (1) | N/A | 10.0 ppb (10) | N/A | N/A | 18.0 ppb (17) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 14, 2021, 1 a.m. | 8.6 ppb (9) | 0.8 ppb (1) | N/A | 8.0 ppb (8) | N/A | N/A | 23.0 ppb (22) | N/A | N/A | 5.0 μg/m3 (21) | 22.0 | |
| Jan. 14, 2021, midnight | 6.2 ppb (6) | 0.8 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 28.0 ppb (26) | N/A | N/A | 3.0 μg/m3 (13) | 26.0 | |
| Jan. 13, 2021, 11 p.m. | 5.0 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 30.0 ppb (28) | N/A | N/A | 2.0 μg/m3 (9) | 28.0 | |
| Jan. 13, 2021, 10 p.m. | 6.2 ppb (6) | 1.4 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 29.0 ppb (27) | N/A | N/A | 4.0 μg/m3 (17) | 27.0 | |
| Jan. 13, 2021, 9 p.m. | 7.4 ppb (7) | 1.9 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 27.0 ppb (25) | N/A | N/A | 5.0 μg/m3 (21) | 25.0 | |
| Jan. 13, 2021, 8 p.m. | 12.5 ppb (12) | 3.8 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | 23.0 ppb (22) | N/A | N/A | 5.0 μg/m3 (21) | 22.0 | |
| Jan. 13, 2021, 7 p.m. | 15.9 ppb (15) | 5.5 ppb (6) | N/A | 10.0 ppb (10) | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 13, 2021, 6 p.m. | 25.8 ppb (25) | 12.5 ppb (12) | N/A | 13.0 ppb (13) | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Jan. 13, 2021, 5 p.m. | 34.9 ppb (33) | 19.6 ppb (19) | N/A | 15.0 ppb (15) | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Jan. 13, 2021, 4 p.m. | 47.2 ppb (45) | 28.8 ppb (28) | N/A | 19.0 ppb (18) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 8.0 μg/m3 (34) | 45.0 | |
| Jan. 13, 2021, 3 p.m. | 61.9 ppb (60) | 43.4 ppb (41) | N/A | 19.0 ppb (18) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 11.0 μg/m3 (46) | 60.0 | |
| Jan. 13, 2021, 2 p.m. | 45.6 ppb (44) | 28.5 ppb (27) | N/A | 17.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Jan. 13, 2021, 1 p.m. | 36.6 ppb (35) | 19.4 ppb (19) | N/A | 17.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 8.0 μg/m3 (34) | 35.0 | |
| Jan. 13, 2021, noon | 28.3 ppb (27) | 10.8 ppb (11) | N/A | 18.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| Jan. 13, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Jan. 13, 2021, 10 a.m. | 30.8 ppb (30) | 12.5 ppb (12) | N/A | 18.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| Jan. 13, 2021, 9 a.m. | 25.4 ppb (24) | 8.7 ppb (9) | N/A | 17.0 ppb (17) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 4.0 μg/m3 (17) | 24.0 | |
| Jan. 13, 2021, 8 a.m. | 43.9 ppb (42) | 26.8 ppb (26) | N/A | 17.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 21.0 μg/m3 (70) | 70.0 | |
| Jan. 13, 2021, 7 a.m. | 44.5 ppb (42) | 25.7 ppb (25) | N/A | 19.0 ppb (18) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 25.0 μg/m3 (79) | 79.0 | |
| Jan. 13, 2021, 6 a.m. | 39.1 ppb (37) | 18.3 ppb (18) | N/A | 21.0 ppb (20) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 25.0 μg/m3 (79) | 79.0 | |
| Jan. 13, 2021, 5 a.m. | 36.5 ppb (35) | 13.6 ppb (13) | N/A | 23.0 ppb (22) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 32.0 μg/m3 (93) | 93.0 | |
| Jan. 13, 2021, 4 a.m. | 33.1 ppb (32) | 10.3 ppb (10) | N/A | 23.0 ppb (22) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 27.0 μg/m3 (83) | 83.0 | |
| Jan. 13, 2021, 3 a.m. | 23.7 ppb (23) | 2.9 ppb (3) | N/A | 21.0 ppb (20) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 21.0 μg/m3 (70) | 70.0 | |
| Jan. 13, 2021, 2 a.m. | 31.8 ppb (30) | 5.5 ppb (6) | N/A | 26.0 ppb (25) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 20.0 μg/m3 (68) | 68.0 | |
| Jan. 13, 2021, 1 a.m. | 24.0 ppb (23) | 2.1 ppb (2) | N/A | 22.0 ppb (21) | N/A | N/A | 9.0 ppb (9) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| Jan. 13, 2021, midnight | 12.5 ppb (12) | 0.8 ppb (1) | N/A | 12.0 ppb (12) | N/A | N/A | 22.0 ppb (21) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| Jan. 12, 2021, 11 p.m. | 15.5 ppb (15) | 2.3 ppb (3) | N/A | 13.0 ppb (13) | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Jan. 12, 2021, 10 p.m. | 16.1 ppb (16) | 2.7 ppb (3) | N/A | 13.0 ppb (13) | N/A | N/A | 17.0 ppb (16) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Jan. 12, 2021, 9 p.m. | 15.9 ppb (15) | 4.2 ppb (4) | N/A | 12.0 ppb (12) | N/A | N/A | 16.0 ppb (15) | N/A | N/A | 8.0 μg/m3 (34) | 34.0 | |
| Jan. 12, 2021, 8 p.m. | 20.1 ppb (19) | 7.6 ppb (8) | N/A | 13.0 ppb (13) | N/A | N/A | 12.0 ppb (12) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Jan. 12, 2021, 7 p.m. | 20.5 ppb (20) | 7.5 ppb (8) | N/A | 13.0 ppb (13) | N/A | N/A | 9.0 ppb (9) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Jan. 12, 2021, 6 p.m. | 34.3 ppb (33) | 18.0 ppb (17) | N/A | 16.0 ppb (16) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| Jan. 12, 2021, 5 p.m. | 46.7 ppb (45) | 28.5 ppb (27) | N/A | 18.0 ppb (17) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| Jan. 12, 2021, 4 p.m. | 44.7 ppb (43) | 26.4 ppb (25) | N/A | 18.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| Jan. 12, 2021, 3 p.m. | 44.6 ppb (43) | 27.2 ppb (26) | N/A | 17.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| Jan. 12, 2021, 2 p.m. | 39.7 ppb (38) | 24.2 ppb (23) | N/A | 15.0 ppb (15) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| Jan. 12, 2021, 1 p.m. | 41.9 ppb (40) | 27.6 ppb (27) | N/A | 14.0 ppb (14) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| Jan. 12, 2021, noon | 36.0 ppb (34) | 21.0 ppb (20) | N/A | 15.0 ppb (15) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| Jan. 12, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| Jan. 12, 2021, 10 a.m. | 27.4 ppb (26) | 8.9 ppb (9) | N/A | 19.0 ppb (18) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| Jan. 12, 2021, 9 a.m. | 25.3 ppb (24) | 6.1 ppb (6) | N/A | 19.0 ppb (18) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 19.0 μg/m3 (66) | 66.0 | |
| Jan. 12, 2021, 8 a.m. | 20.4 ppb (20) | 2.7 ppb (3) | N/A | 18.0 ppb (17) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| Jan. 12, 2021, 7 a.m. | 22.9 ppb (22) | 3.1 ppb (3) | N/A | 20.0 ppb (19) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 22.0 μg/m3 (72) | 72.0 | |
| Jan. 12, 2021, 6 a.m. | 22.9 ppb (22) | 2.9 ppb (3) | N/A | 20.0 ppb (19) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 22.0 μg/m3 (72) | 72.0 | |
| Jan. 12, 2021, 5 a.m. | 25.5 ppb (25) | 4.3 ppb (5) | N/A | 21.0 ppb (20) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 23.0 μg/m3 (74) | 74.0 | |
| Jan. 12, 2021, 4 a.m. | 14.1 ppb (14) | 0.4 ppb (1) | N/A | 14.0 ppb (14) | N/A | N/A | 13.0 ppb (13) | N/A | N/A | 19.0 μg/m3 (66) | 66.0 | |
| Jan. 12, 2021, 3 a.m. | 19.0 ppb (18) | 1.6 ppb (2) | N/A | 17.0 ppb (17) | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| Jan. 12, 2021, 2 a.m. | 15.6 ppb (15) | 0.9 ppb (1) | N/A | 15.0 ppb (15) | N/A | N/A | 16.0 ppb (15) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| Jan. 12, 2021, 1 a.m. | 13.5 ppb (13) | 1.0 ppb (1) | N/A | 13.0 ppb (13) | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 17.0 μg/m3 (62) | 62.0 | |
| Jan. 12, 2021, midnight | 10.4 ppb (10) | 1.3 ppb (2) | N/A | 9.0 ppb (9) | N/A | N/A | 24.0 ppb (23) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Jan. 11, 2021, 11 p.m. | 8.1 ppb (8) | 1.6 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 27.0 ppb (25) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| Jan. 11, 2021, 10 p.m. | 8.5 ppb (9) | 2.1 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 26.0 ppb (25) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Jan. 11, 2021, 9 p.m. | 11.2 ppb (11) | 3.6 ppb (4) | N/A | 8.0 ppb (8) | N/A | N/A | 23.0 ppb (22) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Jan. 11, 2021, 8 p.m. | 8.1 ppb (8) | 2.2 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 26.0 ppb (25) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| Jan. 11, 2021, 7 p.m. | 6.9 ppb (7) | 2.1 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 24.0 ppb (23) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 11, 2021, 6 p.m. | 22.5 ppb (22) | 10.0 ppb (10) | N/A | 13.0 ppb (13) | N/A | N/A | 14.0 ppb (13) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Jan. 11, 2021, 5 p.m. | 33.8 ppb (32) | 18.5 ppb (18) | N/A | 15.0 ppb (15) | N/A | N/A | 6.0 ppb (6) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Jan. 11, 2021, 4 p.m. | 73.5 ppb (72) | 53.4 ppb (51) | N/A | 20.0 ppb (19) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 9.0 μg/m3 (38) | 72.0 | |
| Jan. 11, 2021, 3 p.m. | 71.4 ppb (70) | 51.7 ppb (49) | N/A | 20.0 ppb (19) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 8.0 μg/m3 (34) | 70.0 | |
| Jan. 11, 2021, 2 p.m. | 70.0 ppb (69) | 52.9 ppb (50) | N/A | 17.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 μg/m3 (42) | 69.0 | |
| Jan. 11, 2021, 1 p.m. | 55.3 ppb (53) | 39.1 ppb (37) | N/A | 16.0 ppb (16) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| Jan. 11, 2021, noon | 42.7 ppb (41) | 25.1 ppb (24) | N/A | 18.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| Jan. 11, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (66) | 66.0 | |
| Jan. 11, 2021, 10 a.m. | 32.4 ppb (31) | 16.0 ppb (16) | N/A | 16.0 ppb (16) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 23.0 μg/m3 (74) | 74.0 | |
| Jan. 11, 2021, 9 a.m. | 29.0 ppb (28) | 12.1 ppb (12) | N/A | 17.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 19.0 μg/m3 (66) | 66.0 | |
| Jan. 11, 2021, 8 a.m. | 21.0 ppb (20) | 5.3 ppb (5) | N/A | 16.0 ppb (16) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| Jan. 11, 2021, 7 a.m. | 28.7 ppb (28) | 10.7 ppb (11) | N/A | 18.0 ppb (17) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 35.0 μg/m3 (100) | 100.0 | |
| Jan. 11, 2021, 6 a.m. | 33.6 ppb (32) | 12.3 ppb (12) | N/A | 21.0 ppb (20) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 35.0 μg/m3 (100) | 100.0 | |
| Jan. 11, 2021, 5 a.m. | 24.9 ppb (24) | 3.2 ppb (4) | N/A | 22.0 ppb (21) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 32.0 μg/m3 (93) | 93.0 | |
| Jan. 11, 2021, 4 a.m. | 15.6 ppb (15) | 1.2 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 10.0 ppb (10) | N/A | N/A | 26.0 μg/m3 (81) | 81.0 | |
| Jan. 11, 2021, 3 a.m. | 8.5 ppb (9) | 0.5 ppb (1) | N/A | 8.0 ppb (8) | N/A | N/A | 17.0 ppb (16) | N/A | N/A | 18.0 μg/m3 (64) | 64.0 | |
| Jan. 11, 2021, 2 a.m. | 8.5 ppb (9) | 0.7 ppb (1) | N/A | 8.0 ppb (8) | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 21.0 μg/m3 (70) | 70.0 | |
| Jan. 11, 2021, 1 a.m. | 10.1 ppb (10) | 1.1 ppb (2) | N/A | 9.0 ppb (9) | N/A | N/A | 12.0 ppb (12) | N/A | N/A | 19.0 μg/m3 (66) | 66.0 | |
| Jan. 11, 2021, midnight | 9.8 ppb (10) | 1.7 ppb (2) | N/A | 8.0 ppb (8) | N/A | N/A | 13.0 ppb (13) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| Jan. 10, 2021, 11 p.m. | 8.6 ppb (9) | 2.0 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 14.0 ppb (13) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Jan. 10, 2021, 10 p.m. | 10.3 ppb (10) | 2.9 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 10, 2021, 9 p.m. | 12.0 ppb (12) | 4.3 ppb (5) | N/A | 8.0 ppb (8) | N/A | N/A | 18.0 ppb (17) | N/A | N/A | 7.0 μg/m3 (30) | 30.0 | |
| Jan. 10, 2021, 8 p.m. | 12.4 ppb (12) | 4.6 ppb (5) | N/A | 8.0 ppb (8) | N/A | N/A | 14.0 ppb (13) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 10, 2021, 7 p.m. | 13.4 ppb (13) | 5.4 ppb (6) | N/A | 8.0 ppb (8) | N/A | N/A | 13.0 ppb (13) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 10, 2021, 6 p.m. | 16.7 ppb (16) | 7.2 ppb (7) | N/A | 10.0 ppb (10) | N/A | N/A | 10.0 ppb (10) | N/A | N/A | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 10, 2021, 5 p.m. | 21.6 ppb (21) | 11.1 ppb (11) | N/A | 10.0 ppb (10) | N/A | N/A | 9.0 ppb (9) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 10, 2021, 4 p.m. | 45.5 ppb (43) | 28.1 ppb (27) | N/A | 17.0 ppb (17) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 7.0 μg/m3 (30) | 43.0 | |
| Jan. 10, 2021, 3 p.m. | 42.4 ppb (40) | 25.3 ppb (24) | N/A | 17.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 7.0 μg/m3 (30) | 40.0 | |
| Jan. 10, 2021, 2 p.m. | 37.9 ppb (36) | 21.5 ppb (21) | N/A | 16.0 ppb (16) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Jan. 10, 2021, 1 p.m. | 43.2 ppb (41) | 26.5 ppb (25) | N/A | 17.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| Jan. 10, 2021, noon | 43.3 ppb (41) | 27.4 ppb (26) | N/A | 16.0 ppb (16) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Jan. 10, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Jan. 10, 2021, 10 a.m. | 28.2 ppb (27) | 10.1 ppb (10) | N/A | 18.0 ppb (17) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Jan. 10, 2021, 9 a.m. | 20.1 ppb (19) | 3.3 ppb (4) | N/A | 17.0 ppb (17) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 14.0 μg/m3 (55) | 55.0 | |
| Jan. 10, 2021, 8 a.m. | 25.0 ppb (24) | 6.3 ppb (6) | N/A | 19.0 ppb (18) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 18.0 μg/m3 (64) | 64.0 | |
| Jan. 10, 2021, 7 a.m. | 34.7 ppb (33) | 13.9 ppb (14) | N/A | 21.0 ppb (20) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 21.0 μg/m3 (70) | 70.0 | |
| Jan. 10, 2021, 6 a.m. | 34.0 ppb (33) | 12.3 ppb (12) | N/A | 22.0 ppb (21) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 21.0 μg/m3 (70) | 70.0 | |
| Jan. 10, 2021, 5 a.m. | 24.4 ppb (24) | 5.2 ppb (5) | N/A | 19.0 ppb (18) | N/A | N/A | 3.0 ppb (3) | N/A | N/A | 13.0 μg/m3 (53) | 53.0 | |
| Jan. 10, 2021, 4 a.m. | 27.1 ppb (26) | 5.6 ppb (6) | N/A | 22.0 ppb (21) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 20.0 μg/m3 (68) | 68.0 | |
| Jan. 10, 2021, 3 a.m. | 28.7 ppb (28) | 4.3 ppb (5) | N/A | 24.0 ppb (23) | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| Jan. 10, 2021, 2 a.m. | 24.1 ppb (23) | 2.8 ppb (3) | N/A | 21.0 ppb (20) | N/A | N/A | 9.0 ppb (9) | N/A | N/A | 16.0 μg/m3 (60) | 60.0 | |
| Jan. 10, 2021, 1 a.m. | 12.7 ppb (12) | 1.0 ppb (1) | N/A | 12.0 ppb (12) | N/A | N/A | 21.0 ppb (20) | N/A | N/A | 2.0 μg/m3 (9) | 20.0 | |
| Jan. 10, 2021, midnight | 5.3 ppb (5) | 0.7 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 32.0 ppb (30) | N/A | N/A | 2.0 μg/m3 (9) | 30.0 | |
| Jan. 9, 2021, 11 p.m. | 3.0 ppb (3) | 0.6 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 1.0 μg/m3 (5) | 34.0 | |
| Jan. 9, 2021, 10 p.m. | 1.6 ppb (2) | 0.3 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 38.0 ppb (36) | N/A | N/A | -1.0 μg/m3 (0) | 36.0 | |
| Jan. 9, 2021, 9 p.m. | 1.9 ppb (2) | 0.6 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 37.0 ppb (35) | N/A | N/A | 0.0 μg/m3 (0) | 35.0 | |
| Jan. 9, 2021, 8 p.m. | 1.6 ppb (2) | 0.4 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 35.0 ppb (33) | N/A | N/A | 2.0 μg/m3 (9) | 33.0 | |
| Jan. 9, 2021, 7 p.m. | 2.0 ppb (2) | 0.6 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 34.0 ppb (32) | N/A | N/A | 3.0 μg/m3 (13) | 32.0 | |
| Jan. 9, 2021, 6 p.m. | 2.2 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 33.0 ppb (31) | N/A | N/A | 1.0 μg/m3 (5) | 31.0 | |
| Jan. 9, 2021, 5 p.m. | 4.3 ppb (5) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 30.0 ppb (28) | N/A | N/A | 0.0 μg/m3 (0) | 28.0 | |
| Jan. 9, 2021, 4 p.m. | 11.7 ppb (12) | 2.7 ppb (3) | N/A | 9.0 ppb (9) | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 4.0 μg/m3 (17) | 18.0 |