El Paso (Central) TX, US: 31.768056, -106.501111
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 18, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 16.7 μg/m3 (16) | 3.8 μg/m3 (16) | 35.0 | |
| Jan. 18, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 20.7 μg/m3 (20) | 4.5 μg/m3 (19) | 32.0 | |
| Jan. 18, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 21.0 μg/m3 (20) | 4.2 μg/m3 (18) | 28.0 | |
| Jan. 18, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 21.9 μg/m3 (21) | 4.4 μg/m3 (19) | 24.0 | |
| Jan. 18, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 22.3 μg/m3 (21) | 6.8 μg/m3 (29) | 29.0 | |
| Jan. 18, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 19.2 μg/m3 (18) | 5.6 μg/m3 (24) | 24.0 | |
| Jan. 18, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 17.3 μg/m3 (17) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 18, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 19.4 μg/m3 (18) | 4.8 μg/m3 (20) | 20.0 | |
| Jan. 18, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 18.0 μg/m3 (17) | 5.5 μg/m3 (23) | 23.0 | |
| Jan. 18, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 25.0 μg/m3 (24) | 8.7 μg/m3 (37) | 37.0 | |
| Jan. 18, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 28.9 μg/m3 (27) | 10.8 μg/m3 (46) | 46.0 | |
| Jan. 18, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 47.4 μg/m3 (44) | 19.3 μg/m3 (67) | 67.0 | |
| Jan. 18, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 97.2 μg/m3 (72) | 44.6 μg/m3 (124) | 124.0 | |
| Jan. 18, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 66.7 μg/m3 (57) | 29.1 μg/m3 (87) | 87.0 | |
| Jan. 18, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 83.4 μg/m3 (66) | 35.2 μg/m3 (100) | 100.0 | |
| Jan. 18, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 81.7 μg/m3 (65) | 33.0 μg/m3 (95) | 95.0 | |
| Jan. 18, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 34.7 μg/m3 (33) | 14.3 μg/m3 (56) | 56.0 | |
| Jan. 18, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 23.5 μg/m3 (22) | 8.6 μg/m3 (36) | 36.0 | |
| Jan. 18, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 30.5 μg/m3 (29) | 10.4 μg/m3 (44) | 44.0 | |
| Jan. 18, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 31.9 μg/m3 (30) | 10.5 μg/m3 (44) | 44.0 | |
| Jan. 18, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 33.1 μg/m3 (31) | 9.7 μg/m3 (41) | 41.0 | |
| Jan. 17, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 19.5 μg/m3 (19) | 5.2 μg/m3 (22) | 33.0 | |
| Jan. 17, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 19.7 μg/m3 (19) | 5.0 μg/m3 (21) | 36.0 | |
| Jan. 17, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 17.0 μg/m3 (16) | 3.8 μg/m3 (16) | 36.0 | |
| Jan. 17, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 14.3 μg/m3 (14) | 3.6 μg/m3 (16) | 35.0 | |
| Jan. 17, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 16.6 μg/m3 (16) | 2.8 μg/m3 (12) | 32.0 | |
| Jan. 17, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 14.5 μg/m3 (14) | 3.2 μg/m3 (14) | 25.0 | |
| Jan. 17, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 14.6 μg/m3 (14) | 4.9 μg/m3 (21) | 23.0 | |
| Jan. 17, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 16.2 μg/m3 (15) | 6.6 μg/m3 (28) | 28.0 | |
| Jan. 17, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 16.7 μg/m3 (16) | 6.1 μg/m3 (26) | 26.0 | |
| Jan. 17, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 17.0 μg/m3 (16) | 6.4 μg/m3 (27) | 27.0 | |
| Jan. 17, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 17.5 μg/m3 (17) | 6.8 μg/m3 (29) | 29.0 | |
| Jan. 17, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 18.4 μg/m3 (18) | 7.6 μg/m3 (32) | 32.0 | |
| Jan. 17, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 15.5 μg/m3 (15) | 5.5 μg/m3 (23) | 23.0 | |
| Jan. 17, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 15.7 μg/m3 (15) | 6.1 μg/m3 (26) | 26.0 | |
| Jan. 17, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 32.3 μg/m3 (30) | 14.4 μg/m3 (56) | 56.0 | |
| Jan. 17, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 32.6 μg/m3 (31) | 17.4 μg/m3 (63) | 63.0 | |
| Jan. 17, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 66.7 μg/m3 (57) | 34.4 μg/m3 (98) | 98.0 | |
| Jan. 17, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 38.7 μg/m3 (36) | 16.8 μg/m3 (61) | 61.0 | |
| Jan. 17, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 23.6 μg/m3 (22) | 8.8 μg/m3 (37) | 37.0 | |
| Jan. 17, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 μg/m3 (55) | 33.7 μg/m3 (97) | 97.0 | |
| Jan. 17, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 70.2 μg/m3 (59) | 28.9 μg/m3 (87) | 87.0 | |
| Jan. 17, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 95.8 μg/m3 (72) | 35.8 μg/m3 (102) | 102.0 | |
| Jan. 17, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 40.2 μg/m3 (38) | 11.9 μg/m3 (50) | 50.0 | |
| Jan. 17, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 18.4 μg/m3 (18) | 6.6 μg/m3 (28) | 30.0 | |
| Jan. 16, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 14.2 μg/m3 (14) | 4.6 μg/m3 (20) | 34.0 | |
| Jan. 16, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 17.6 μg/m3 (17) | 6.8 μg/m3 (29) | 35.0 | |
| Jan. 16, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 18.0 μg/m3 (17) | 5.4 μg/m3 (23) | 34.0 | |
| Jan. 16, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 21.5 μg/m3 (20) | 5.7 μg/m3 (24) | 32.0 | |
| Jan. 16, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 20.1 μg/m3 (19) | 4.9 μg/m3 (21) | 33.0 | |
| Jan. 16, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 26.2 μg/m3 (25) | 5.1 μg/m3 (22) | 25.0 | |
| Jan. 16, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 46.6 μg/m3 (44) | 13.0 μg/m3 (53) | 53.0 | |
| Jan. 16, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 21.4 μg/m3 (20) | 7.1 μg/m3 (30) | 30.0 | |
| Jan. 16, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 27.2 μg/m3 (26) | 9.6 μg/m3 (40) | 40.0 | |
| Jan. 16, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 26.5 μg/m3 (25) | 8.8 μg/m3 (37) | 37.0 | |
| Jan. 16, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 24.0 μg/m3 (23) | 9.6 μg/m3 (40) | 40.0 | |
| Jan. 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 21.5 μg/m3 (20) | 8.5 μg/m3 (36) | 36.0 | |
| Jan. 16, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 19.5 μg/m3 (19) | 7.7 μg/m3 (33) | 33.0 | |
| Jan. 16, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 19.4 μg/m3 (18) | 7.0 μg/m3 (30) | 30.0 | |
| Jan. 16, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 23.0 μg/m3 (22) | 7.9 μg/m3 (33) | 33.0 | |
| Jan. 16, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 44.7 μg/m3 (42) | 18.0 μg/m3 (64) | 64.0 | |
| Jan. 16, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 43.5 μg/m3 (41) | 18.4 μg/m3 (65) | 65.0 | |
| Jan. 16, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 44.3 μg/m3 (42) | 19.9 μg/m3 (68) | 68.0 | |
| Jan. 16, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 48.7 μg/m3 (46) | 21.9 μg/m3 (72) | 72.0 | |
| Jan. 16, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 33.0 μg/m3 (31) | 13.7 μg/m3 (55) | 55.0 | |
| Jan. 16, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 27.8 μg/m3 (26) | 12.2 μg/m3 (52) | 52.0 | |
| Jan. 16, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 45.5 μg/m3 (43) | 17.1 μg/m3 (62) | 62.0 | |
| Jan. 16, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 34.6 μg/m3 (33) | 11.7 μg/m3 (49) | 49.0 | |
| Jan. 16, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 15.5 μg/m3 (15) | 4.9 μg/m3 (21) | 32.0 | |
| Jan. 15, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 13.2 μg/m3 (13) | 4.3 μg/m3 (18) | 33.0 | |
| Jan. 15, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 14.0 μg/m3 (13) | 4.7 μg/m3 (20) | 38.0 | |
| Jan. 15, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 18.0 μg/m3 (17) | 5.4 μg/m3 (23) | 38.0 | |
| Jan. 15, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 17.6 μg/m3 (17) | 2.9 μg/m3 (13) | 37.0 | |
| Jan. 15, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 19.3 μg/m3 (18) | 2.9 μg/m3 (13) | 35.0 | |
| Jan. 15, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 21.2 μg/m3 (20) | 4.2 μg/m3 (18) | 30.0 | |
| Jan. 15, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 22.4 μg/m3 (21) | 5.5 μg/m3 (23) | 23.0 | |
| Jan. 15, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 32.3 μg/m3 (30) | 9.1 μg/m3 (38) | 38.0 | |
| Jan. 15, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (12) | N/A | 26.1 μg/m3 (25) | 8.2 μg/m3 (35) | 35.0 | |
| Jan. 15, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 33.3 μg/m3 (31) | 9.1 μg/m3 (38) | 38.0 | |
| Jan. 15, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 27.9 μg/m3 (26) | 8.4 μg/m3 (36) | 36.0 | |
| Jan. 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 21.9 μg/m3 (21) | 6.8 μg/m3 (29) | 29.0 | |
| Jan. 15, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 22.4 μg/m3 (21) | 7.8 μg/m3 (33) | 33.0 | |
| Jan. 15, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 25.3 μg/m3 (24) | 7.8 μg/m3 (33) | 33.0 | |
| Jan. 15, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 31.2 μg/m3 (29) | 9.4 μg/m3 (40) | 40.0 | |
| Jan. 15, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 16.9 μg/m3 (16) | 7.3 μg/m3 (31) | 31.0 | |
| Jan. 15, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 18.4 μg/m3 (18) | 7.1 μg/m3 (30) | 30.0 | |
| Jan. 15, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 21.7 μg/m3 (21) | 8.5 μg/m3 (36) | 36.0 | |
| Jan. 15, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 16.8 μg/m3 (16) | 6.7 μg/m3 (28) | 28.0 | |
| Jan. 15, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 20.4 μg/m3 (19) | 8.2 μg/m3 (35) | 35.0 | |
| Jan. 15, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 30.6 μg/m3 (29) | 10.1 μg/m3 (43) | 43.0 | |
| Jan. 15, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 29.0 μg/m3 (27) | 8.7 μg/m3 (37) | 37.0 | |
| Jan. 15, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 63.1 μg/m3 (56) | 18.7 μg/m3 (65) | 65.0 | |
| Jan. 15, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 16.0 μg/m3 (15) | 5.8 μg/m3 (25) | 25.0 | |
| Jan. 14, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 16.7 μg/m3 (16) | 5.1 μg/m3 (22) | 37.0 | |
| Jan. 14, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 23.7 μg/m3 (22) | 5.7 μg/m3 (24) | 33.0 | |
| Jan. 14, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 23.4 μg/m3 (22) | 4.7 μg/m3 (20) | 36.0 | |
| Jan. 14, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 24.2 μg/m3 (23) | 4.3 μg/m3 (18) | 30.0 | |
| Jan. 14, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 23.8 μg/m3 (23) | 6.1 μg/m3 (26) | 26.0 | |
| Jan. 14, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 24.4 μg/m3 (23) | 5.7 μg/m3 (24) | 24.0 | |
| Jan. 14, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 41.9 μg/m3 (39) | 12.5 μg/m3 (52) | 52.0 | |
| Jan. 14, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 36.5 μg/m3 (34) | 12.6 μg/m3 (53) | 53.0 | |
| Jan. 14, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 22.3 μg/m3 (21) | 9.4 μg/m3 (40) | 40.0 | |
| Jan. 14, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 19.7 μg/m3 (19) | 8.2 μg/m3 (35) | 35.0 | |
| Jan. 14, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 20.3 μg/m3 (19) | 8.3 μg/m3 (35) | 35.0 | |
| Jan. 14, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 17.7 μg/m3 (17) | 7.5 μg/m3 (32) | 32.0 | |
| Jan. 14, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 16.2 μg/m3 (15) | 6.6 μg/m3 (28) | 28.0 | |
| Jan. 14, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 13.7 μg/m3 (13) | 5.5 μg/m3 (23) | 23.0 | |
| Jan. 14, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 17.1 μg/m3 (16) | 6.5 μg/m3 (28) | 28.0 | |
| Jan. 14, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 15.9 μg/m3 (15) | 6.2 μg/m3 (26) | 26.0 | |
| Jan. 14, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 17.1 μg/m3 (16) | 6.9 μg/m3 (29) | 29.0 | |
| Jan. 14, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 17.0 μg/m3 (16) | 6.6 μg/m3 (28) | 28.0 | |
| Jan. 14, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 17.3 μg/m3 (17) | 7.1 μg/m3 (30) | 30.0 | |
| Jan. 14, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 19.7 μg/m3 (19) | 7.2 μg/m3 (31) | 31.0 | |
| Jan. 14, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 20.3 μg/m3 (19) | 7.1 μg/m3 (30) | 30.0 | |
| Jan. 14, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 18.4 μg/m3 (18) | 7.1 μg/m3 (30) | 30.0 | |
| Jan. 14, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 38.0 μg/m3 (36) | 12.6 μg/m3 (53) | 53.0 | |
| Jan. 14, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 50.5 μg/m3 (47) | 14.1 μg/m3 (56) | 56.0 | |
| Jan. 13, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 23.7 μg/m3 (22) | 6.1 μg/m3 (26) | 31.0 | |
| Jan. 13, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 16.6 μg/m3 (16) | 5.6 μg/m3 (24) | 36.0 | |
| Jan. 13, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.4 μg/m3 (15) | 4.3 μg/m3 (18) | 18.0 | |
| Jan. 13, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.5 μg/m3 (17) | 4.9 μg/m3 (21) | 21.0 | |
| Jan. 13, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 21.8 μg/m3 (21) | 6.0 μg/m3 (25) | 28.0 | |
| Jan. 13, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 19.2 μg/m3 (18) | 5.3 μg/m3 (23) | 30.0 | |
| Jan. 13, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 27.1 μg/m3 (26) | 7.8 μg/m3 (33) | 33.0 | |
| Jan. 13, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 27.0 μg/m3 (25) | 8.9 μg/m3 (38) | 38.0 | |
| Jan. 13, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 21.4 μg/m3 (20) | 9.2 μg/m3 (39) | 39.0 | |
| Jan. 13, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 17.7 μg/m3 (17) | 6.8 μg/m3 (29) | 29.0 | |
| Jan. 13, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 12.9 μg/m3 (12) | 6.5 μg/m3 (28) | 28.0 | |
| Jan. 13, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 12.2 μg/m3 (12) | 6.1 μg/m3 (26) | 26.0 | |
| Jan. 13, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 10.9 μg/m3 (11) | 5.6 μg/m3 (24) | 26.0 | |
| Jan. 13, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 10.9 μg/m3 (11) | 5.1 μg/m3 (22) | 22.0 | |
| Jan. 13, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 10.8 μg/m3 (10) | 5.2 μg/m3 (22) | 22.0 | |
| Jan. 13, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 10.9 μg/m3 (11) | 5.1 μg/m3 (22) | 26.0 | |
| Jan. 13, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 12.9 μg/m3 (12) | 6.2 μg/m3 (26) | 28.0 | |
| Jan. 13, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 13.5 μg/m3 (13) | 6.7 μg/m3 (28) | 28.0 | |
| Jan. 13, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 12.7 μg/m3 (12) | 6.2 μg/m3 (26) | 26.0 | |
| Jan. 13, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 11.9 μg/m3 (12) | 5.3 μg/m3 (23) | 30.0 | |
| Jan. 13, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 14.5 μg/m3 (14) | 5.4 μg/m3 (23) | 25.0 | |
| Jan. 13, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 23.2 μg/m3 (22) | 9.7 μg/m3 (41) | 41.0 | |
| Jan. 13, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 49.2 μg/m3 (46) | 18.5 μg/m3 (65) | 65.0 | |
| Jan. 13, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 33.2 μg/m3 (31) | 10.2 μg/m3 (43) | 43.0 | |
| Jan. 12, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 14.0 μg/m3 (13) | 4.9 μg/m3 (21) | 36.0 | |
| Jan. 12, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 13.3 μg/m3 (13) | 4.7 μg/m3 (20) | 36.0 | |
| Jan. 12, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 14.0 μg/m3 (13) | 4.6 μg/m3 (20) | 33.0 | |
| Jan. 12, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 14.9 μg/m3 (14) | 5.2 μg/m3 (22) | 30.0 | |
| Jan. 12, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 17.3 μg/m3 (17) | 4.8 μg/m3 (20) | 28.0 | |
| Jan. 12, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 19.7 μg/m3 (19) | 5.5 μg/m3 (23) | 23.0 | |
| Jan. 12, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 25.7 μg/m3 (24) | 9.5 μg/m3 (40) | 40.0 | |
| Jan. 12, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 28.0 μg/m3 (26) | 12.6 μg/m3 (53) | 53.0 | |
| Jan. 12, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 33.0 μg/m3 (31) | 12.9 μg/m3 (53) | 53.0 | |
| Jan. 12, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 45.2 μg/m3 (42) | 16.6 μg/m3 (61) | 61.0 | |
| Jan. 12, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 26.2 μg/m3 (25) | 10.3 μg/m3 (43) | 43.0 | |
| Jan. 12, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 18.8 μg/m3 (18) | 8.9 μg/m3 (38) | 38.0 | |
| Jan. 12, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 18.1 μg/m3 (17) | 8.5 μg/m3 (36) | 36.0 | |
| Jan. 12, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 22.0 μg/m3 (21) | 10.9 μg/m3 (46) | 46.0 | |
| Jan. 12, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 23.3 μg/m3 (22) | 10.6 μg/m3 (45) | 45.0 | |
| Jan. 12, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 12.2 μg/m3 (12) | 5.2 μg/m3 (22) | 22.0 | |
| Jan. 12, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 18.6 μg/m3 (18) | 7.1 μg/m3 (30) | 30.0 | |
| Jan. 12, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 39.6 μg/m3 (37) | 11.8 μg/m3 (50) | 50.0 | |
| Jan. 12, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 38.1 μg/m3 (36) | 12.0 μg/m3 (50) | 50.0 | |
| Jan. 12, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 56.7 μg/m3 (52) | 24.9 μg/m3 (78) | 78.0 | |
| Jan. 12, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 38.2 μg/m3 (36) | 15.5 μg/m3 (59) | 59.0 | |
| Jan. 12, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 17.8 μg/m3 (17) | 6.4 μg/m3 (27) | 27.0 | |
| Jan. 12, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 16.7 μg/m3 (16) | 6.2 μg/m3 (26) | 26.0 | |
| Jan. 12, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 14.6 μg/m3 (14) | 6.3 μg/m3 (27) | 27.0 | |
| Jan. 11, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 13.6 μg/m3 (13) | 5.1 μg/m3 (22) | 28.0 | |
| Jan. 11, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 12.6 μg/m3 (12) | 4.4 μg/m3 (19) | 29.0 | |
| Jan. 11, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 12.8 μg/m3 (12) | 4.2 μg/m3 (18) | 30.0 |