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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 18, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 46.0 μg/m3 (43) | 26.9 μg/m3 (83) | 83.0 | |
| June 18, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 23.0 μg/m3 (22) | 8.1 μg/m3 (34) | 41.0 | |
| June 18, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 17.0 μg/m3 (16) | 6.7 μg/m3 (28) | 48.0 | |
| June 18, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | 15.0 μg/m3 (14) | 5.3 μg/m3 (23) | 49.0 | |
| June 17, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 22.0 μg/m3 (21) | 6.4 μg/m3 (27) | 55.0 | |
| June 17, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 17.0 μg/m3 (16) | 4.5 μg/m3 (19) | 55.0 | |
| June 17, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (61) | N/A | 20.0 μg/m3 (19) | 5.6 μg/m3 (24) | 61.0 | |
| June 17, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (65) | N/A | 19.0 μg/m3 (18) | 5.4 μg/m3 (23) | 65.0 | |
| June 17, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 ppb (71) | N/A | 19.0 μg/m3 (18) | 4.9 μg/m3 (21) | 71.0 | |
| June 17, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 ppb (71) | N/A | 15.0 μg/m3 (14) | 4.7 μg/m3 (20) | 71.0 | |
| June 17, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 ppb (71) | N/A | 14.0 μg/m3 (13) | 4.8 μg/m3 (20) | 71.0 | |
| June 17, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (58) | N/A | 21.0 μg/m3 (20) | 6.9 μg/m3 (29) | 58.0 | |
| June 17, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 31.0 μg/m3 (29) | 11.2 μg/m3 (47) | 48.0 | |
| June 17, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 29.0 μg/m3 (27) | 12.0 μg/m3 (50) | 50.0 | |
| June 17, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 29.0 μg/m3 (27) | 12.5 μg/m3 (52) | 52.0 | |
| June 17, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 26.0 μg/m3 (25) | 12.4 μg/m3 (52) | 52.0 | |
| June 17, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 21.0 μg/m3 (20) | 11.4 μg/m3 (48) | 48.0 | |
| June 17, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 24.0 μg/m3 (23) | 11.8 μg/m3 (50) | 50.0 | |
| June 17, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 21.0 μg/m3 (20) | 10.0 μg/m3 (42) | 42.0 | |
| June 17, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 20.0 μg/m3 (19) | 9.0 μg/m3 (38) | 38.0 | |
| June 17, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 20.0 μg/m3 (19) | 8.6 μg/m3 (36) | 36.0 | |
| June 17, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 21.0 μg/m3 (20) | 8.7 μg/m3 (37) | 38.0 | |
| June 17, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 22.0 μg/m3 (21) | 8.6 μg/m3 (36) | 38.0 | |
| June 17, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 25.0 μg/m3 (24) | 9.2 μg/m3 (39) | 41.0 | |
| June 17, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 28.0 μg/m3 (26) | 10.5 μg/m3 (44) | 44.0 | |
| June 17, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 26.0 μg/m3 (25) | 8.3 μg/m3 (35) | 46.0 | |
| June 17, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 21.0 μg/m3 (20) | 7.2 μg/m3 (31) | 51.0 | |
| June 17, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (58) | N/A | 22.0 μg/m3 (21) | 7.4 μg/m3 (31) | 58.0 | |
| June 16, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (58) | N/A | 18.0 μg/m3 (17) | 5.1 μg/m3 (22) | 58.0 | |
| June 16, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 22.0 μg/m3 (21) | 6.6 μg/m3 (28) | 55.0 | |
| June 16, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 20.0 μg/m3 (19) | 6.4 μg/m3 (27) | 55.0 | |
| June 16, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (61) | N/A | 20.0 μg/m3 (19) | 5.9 μg/m3 (25) | 61.0 | |
| June 16, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 ppb (71) | N/A | 13.0 μg/m3 (13) | 5.2 μg/m3 (22) | 71.0 | |
| June 16, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (74) | N/A | 17.0 μg/m3 (16) | 6.3 μg/m3 (27) | 74.0 | |
| June 16, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 ppb (78) | N/A | 23.0 μg/m3 (22) | 7.6 μg/m3 (32) | 78.0 | |
| June 16, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (58) | N/A | 27.0 μg/m3 (25) | 9.0 μg/m3 (38) | 58.0 | |
| June 16, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 31.0 μg/m3 (29) | 10.0 μg/m3 (42) | 43.0 | |
| June 16, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 25.0 μg/m3 (24) | 10.0 μg/m3 (42) | 42.0 | |
| June 16, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 32.0 μg/m3 (30) | 12.0 μg/m3 (50) | 50.0 | |
| June 16, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 29.0 μg/m3 (27) | 11.0 μg/m3 (46) | 46.0 | |
| June 16, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 17.0 μg/m3 (16) | 8.5 μg/m3 (36) | 41.0 | |
| June 16, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 20.0 μg/m3 (19) | 8.8 μg/m3 (37) | 41.0 | |
| June 16, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 20.0 μg/m3 (19) | 8.6 μg/m3 (36) | 38.0 | |
| June 16, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 24.0 μg/m3 (23) | 8.7 μg/m3 (37) | 40.0 | |
| June 16, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 21.0 μg/m3 (20) | 8.5 μg/m3 (36) | 40.0 | |
| June 16, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 24.0 μg/m3 (23) | 9.2 μg/m3 (39) | 41.0 | |
| June 16, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 24.0 μg/m3 (23) | 9.3 μg/m3 (39) | 45.0 | |
| June 16, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 25.0 μg/m3 (24) | 10.2 μg/m3 (43) | 47.0 | |
| June 16, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | 24.0 μg/m3 (23) | 10.0 μg/m3 (42) | 49.0 | |
| June 16, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 20.0 μg/m3 (19) | 8.5 μg/m3 (36) | 48.0 | |
| June 16, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | 22.0 μg/m3 (21) | 7.7 μg/m3 (33) | 50.0 | |
| June 16, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 19.0 μg/m3 (18) | 6.9 μg/m3 (29) | 51.0 | |
| June 15, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (61) | N/A | 21.0 μg/m3 (20) | 6.4 μg/m3 (27) | 61.0 | |
| June 15, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (65) | N/A | 22.0 μg/m3 (21) | 7.2 μg/m3 (31) | 65.0 | |
| June 15, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (61) | N/A | 24.0 μg/m3 (23) | 7.6 μg/m3 (32) | 61.0 | |
| June 15, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | 18.0 μg/m3 (17) | 7.0 μg/m3 (30) | 50.0 | |
| June 15, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | 19.0 μg/m3 (18) | 5.9 μg/m3 (25) | 50.0 | |
| June 15, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | 20.0 μg/m3 (19) | 7.3 μg/m3 (31) | 50.0 | |
| June 15, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | 23.0 μg/m3 (22) | 10.7 μg/m3 (45) | 50.0 | |
| June 15, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 23.0 μg/m3 (22) | 8.4 μg/m3 (36) | 48.0 | |
| June 15, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 22.0 μg/m3 (21) | 8.5 μg/m3 (36) | 47.0 | |
| June 15, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 20.0 μg/m3 (19) | 7.1 μg/m3 (30) | 44.0 | |
| June 15, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 19.0 μg/m3 (18) | 7.0 μg/m3 (30) | 44.0 | |
| June 15, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 18.0 μg/m3 (17) | 7.1 μg/m3 (30) | 46.0 | |
| June 15, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 16.0 μg/m3 (15) | 5.6 μg/m3 (24) | 42.0 | |
| June 15, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 18.0 μg/m3 (17) | 6.3 μg/m3 (27) | 44.0 | |
| June 15, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 22.0 μg/m3 (21) | 7.4 μg/m3 (31) | 45.0 | |
| June 15, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 25.0 μg/m3 (24) | 7.3 μg/m3 (31) | 46.0 | |
| June 15, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 33.0 μg/m3 (31) | 8.9 μg/m3 (38) | 45.0 | |
| June 15, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 57.0 μg/m3 (52) | 13.0 μg/m3 (53) | 53.0 | |
| June 15, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 118.0 μg/m3 (83) | 24.1 μg/m3 (77) | 83.0 | |
| June 15, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (65) | N/A | 135.0 μg/m3 (91) | 25.3 μg/m3 (79) | 91.0 | |
| June 15, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 65.0 μg/m3 (56) | 17.1 μg/m3 (62) | 62.0 | |
| June 15, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 36.0 μg/m3 (34) | 16.3 μg/m3 (60) | 60.0 | |
| June 15, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 26.0 μg/m3 (25) | 10.3 μg/m3 (43) | 44.0 | |
| June 15, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | 24.0 μg/m3 (23) | 9.0 μg/m3 (38) | 50.0 | |
| June 14, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 24.0 μg/m3 (23) | 8.0 μg/m3 (34) | 51.0 | |
| June 14, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 26.0 μg/m3 (25) | 11.8 μg/m3 (50) | 55.0 | |
| June 14, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 23.0 μg/m3 (22) | 8.5 μg/m3 (36) | 51.0 | |
| June 14, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 23.0 μg/m3 (22) | 8.5 μg/m3 (36) | 55.0 | |
| June 14, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | 22.0 μg/m3 (21) | 9.5 μg/m3 (40) | 50.0 | |
| June 14, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | 23.0 μg/m3 (22) | 6.9 μg/m3 (29) | 50.0 | |
| June 14, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 31.0 μg/m3 (29) | 8.1 μg/m3 (34) | 47.0 | |
| June 14, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 33.0 μg/m3 (31) | 8.7 μg/m3 (37) | 38.0 | |
| June 14, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 34.0 μg/m3 (32) | 9.2 μg/m3 (39) | 39.0 | |
| June 14, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 30.0 μg/m3 (28) | 10.6 μg/m3 (45) | 45.0 | |
| June 14, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 30.0 μg/m3 (28) | 10.3 μg/m3 (43) | 43.0 | |
| June 14, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 33.0 μg/m3 (31) | 12.9 μg/m3 (53) | 53.0 | |
| June 14, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 22.0 μg/m3 (21) | 9.8 μg/m3 (41) | 41.0 | |
| June 14, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 17.0 μg/m3 (16) | 8.8 μg/m3 (37) | 37.0 | |
| June 14, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 21.0 μg/m3 (20) | 9.3 μg/m3 (39) | 39.0 | |
| June 14, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 22.0 μg/m3 (21) | 9.4 μg/m3 (40) | 40.0 | |
| June 14, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 21.0 μg/m3 (20) | 9.2 μg/m3 (39) | 39.0 | |
| June 14, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 30.0 μg/m3 (28) | 17.3 μg/m3 (62) | 62.0 | |
| June 14, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 26.0 μg/m3 (25) | 18.1 μg/m3 (64) | 64.0 | |
| June 14, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 55.0 μg/m3 (51) | 19.6 μg/m3 (67) | 67.0 | |
| June 14, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 53.0 μg/m3 (50) | 19.5 μg/m3 (67) | 67.0 | |
| June 14, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 26.0 μg/m3 (25) | 10.9 μg/m3 (46) | 46.0 | |
| June 14, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 24.0 μg/m3 (23) | 10.0 μg/m3 (42) | 48.0 | |
| June 14, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 23.0 μg/m3 (22) | 9.2 μg/m3 (39) | 51.0 | |
| June 13, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 21.0 μg/m3 (20) | 8.1 μg/m3 (34) | 51.0 | |
| June 13, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 18.0 μg/m3 (17) | 7.0 μg/m3 (30) | 51.0 | |
| June 13, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | 19.0 μg/m3 (18) | 7.4 μg/m3 (31) | 50.0 | |
| June 13, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | 20.0 μg/m3 (19) | 6.9 μg/m3 (29) | 50.0 | |
| June 13, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 17.0 μg/m3 (16) | 5.2 μg/m3 (22) | 47.0 | |
| June 13, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 19.0 μg/m3 (18) | 6.4 μg/m3 (27) | 41.0 | |
| June 13, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 25.0 μg/m3 (24) | 7.8 μg/m3 (33) | 40.0 | |
| June 13, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 34.0 μg/m3 (32) | 10.1 μg/m3 (43) | 43.0 | |
| June 13, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 42.0 μg/m3 (39) | 11.4 μg/m3 (48) | 48.0 | |
| June 13, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 52.0 μg/m3 (49) | 14.4 μg/m3 (56) | 56.0 | |
| June 13, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 56.0 μg/m3 (52) | 13.6 μg/m3 (55) | 55.0 | |
| June 13, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 52.0 μg/m3 (49) | 13.6 μg/m3 (55) | 55.0 | |
| June 13, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 53.0 μg/m3 (50) | 13.9 μg/m3 (55) | 55.0 | |
| June 13, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 109.0 μg/m3 (78) | 28.8 μg/m3 (87) | 87.0 | |
| June 13, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 155.0 μg/m3 (101) | 41.9 μg/m3 (117) | 117.0 | |
| June 13, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 281.0 μg/m3 (164) | 67.5 μg/m3 (158) | 164.0 | |
| June 13, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 153.0 μg/m3 (100) | 36.2 μg/m3 (103) | 103.0 | |
| June 13, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 99.0 μg/m3 (73) | 18.5 μg/m3 (65) | 73.0 | |
| June 13, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 176.0 μg/m3 (112) | 34.7 μg/m3 (99) | 112.0 | |
| June 13, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 230.0 μg/m3 (139) | 47.1 μg/m3 (130) | 139.0 | |
| June 13, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 138.0 μg/m3 (93) | 22.8 μg/m3 (74) | 93.0 | |
| June 13, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 89.0 μg/m3 (68) | 17.8 μg/m3 (63) | 68.0 | |
| June 13, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 149.0 μg/m3 (98) | 32.8 μg/m3 (95) | 98.0 | |
| June 13, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | 237.0 μg/m3 (142) | 42.0 μg/m3 (118) | 142.0 | |
| June 12, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (74) | N/A | 20.0 μg/m3 (19) | 9.0 μg/m3 (38) | 74.0 | |
| June 12, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 ppb (78) | N/A | 22.0 μg/m3 (21) | 8.7 μg/m3 (37) | 78.0 | |
| June 12, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 69.0 ppb (97) | N/A | 23.0 μg/m3 (22) | 7.1 μg/m3 (30) | 97.0 | |
| June 12, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 75.0 ppb (104) | N/A | 30.0 μg/m3 (28) | 11.4 μg/m3 (48) | 104.0 | |
| June 12, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 72.0 ppb (102) | N/A | 33.0 μg/m3 (31) | 11.4 μg/m3 (48) | 102.0 | |
| June 12, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (65) | N/A | 33.0 μg/m3 (31) | 11.3 μg/m3 (48) | 65.0 | |
| June 12, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (50) | N/A | 35.0 μg/m3 (33) | 11.2 μg/m3 (47) | 50.0 | |
| June 12, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 36.0 μg/m3 (34) | 11.4 μg/m3 (48) | 48.0 | |
| June 12, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 42.0 μg/m3 (39) | 14.9 μg/m3 (57) | 57.0 | |
| June 12, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 39.0 μg/m3 (37) | 12.4 μg/m3 (52) | 52.0 | |
| June 12, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 48.0 μg/m3 (45) | 18.0 μg/m3 (64) | 64.0 | |
| June 12, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 69.0 μg/m3 (58) | 26.1 μg/m3 (81) | 81.0 | |
| June 12, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 53.0 μg/m3 (50) | 21.0 μg/m3 (70) | 70.0 | |
| June 12, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 30.0 μg/m3 (28) | 14.8 μg/m3 (57) | 57.0 | |
| June 12, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (3) | N/A | 31.0 μg/m3 (29) | 14.8 μg/m3 (57) | 57.0 | |
| June 12, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (7) | N/A | 34.0 μg/m3 (32) | 14.9 μg/m3 (57) | 57.0 | |
| June 12, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 32.0 μg/m3 (30) | 13.4 μg/m3 (54) | 54.0 | |
| June 12, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 31.0 μg/m3 (29) | 13.2 μg/m3 (54) | 54.0 | |
| June 12, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 28.0 μg/m3 (26) | 12.7 μg/m3 (53) | 53.0 | |
| June 12, 2021, 4 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) | 16.6 μg/m3 (61) | 61.0 | |
| June 12, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 58.0 μg/m3 (53) | 21.4 μg/m3 (71) | 71.0 | |
| June 12, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 45.0 μg/m3 (42) | 15.9 μg/m3 (59) | 59.0 | |
| June 12, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 22.0 μg/m3 (21) | 9.5 μg/m3 (40) | 44.0 | |
| June 12, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 19.0 μg/m3 (18) | 9.0 μg/m3 (38) | 48.0 | |
| June 11, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 18.0 μg/m3 (17) | 8.6 μg/m3 (36) | 47.0 | |
| June 11, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 16.0 μg/m3 (15) | 5.1 μg/m3 (22) | 42.0 | |
| June 11, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 18.0 μg/m3 (17) | 6.6 μg/m3 (28) | 38.0 | |
| June 11, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 19.0 μg/m3 (18) | 5.6 μg/m3 (24) | 45.0 | |
| June 11, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 17.0 μg/m3 (16) | 4.9 μg/m3 (21) | 45.0 | |
| June 11, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 16.0 μg/m3 (15) | 5.1 μg/m3 (22) | 43.0 | |
| June 11, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 21.0 μg/m3 (20) | 7.1 μg/m3 (30) | 36.0 | |
| June 11, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 32.0 μg/m3 (30) | 9.9 μg/m3 (42) | 42.0 | |
| June 11, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 29.0 μg/m3 (27) | 9.1 μg/m3 (38) | 38.0 | |
| June 11, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 20.0 μg/m3 (19) | 7.4 μg/m3 (31) | 31.0 | |
| June 11, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | N/A | 22.0 μg/m3 (21) | 8.1 μg/m3 (34) | 34.0 | |
| June 11, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 23.0 μg/m3 (22) | 8.2 μg/m3 (35) | 35.0 | |
| June 11, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (10) | N/A | 21.0 μg/m3 (20) | 7.6 μg/m3 (32) | 32.0 | |
| June 11, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 21.0 μg/m3 (20) | 7.2 μg/m3 (31) | 31.0 | |
| June 11, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 21.0 μg/m3 (20) | 7.4 μg/m3 (31) | 31.0 | |
| June 11, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 17.0 μg/m3 (16) | 5.9 μg/m3 (25) | 25.0 | |
| June 11, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (8) | N/A | 24.0 μg/m3 (23) | 7.9 μg/m3 (33) | 33.0 | |
| June 11, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 17.0 μg/m3 (16) | 5.3 μg/m3 (23) | 38.0 | |
| June 11, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 17.0 μg/m3 (16) | 5.9 μg/m3 (25) | 40.0 | |
| June 11, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 16.0 μg/m3 (15) | 5.7 μg/m3 (24) | 45.0 |