Alexandria (Groveton Heights) VA, US: 38.771702, -77.108902
Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
May 12, 2022, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | 12.0 μg/m3 (12) | 5.9 μg/m3 (25) | 33.0 | |
May 12, 2022, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | 14.0 μg/m3 (13) | 6.2 μg/m3 (26) | 33.0 | |
May 12, 2022, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 32.0 ppb (30) | N/A | 15.0 μg/m3 (14) | 7.0 μg/m3 (30) | 30.0 | |
May 12, 2022, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 32.0 ppb (30) | N/A | 15.0 μg/m3 (14) | 7.0 μg/m3 (30) | 30.0 | |
May 12, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | 23.0 μg/m3 (22) | 7.6 μg/m3 (32) | 32.0 | |
May 12, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | 23.0 μg/m3 (22) | 7.6 μg/m3 (32) | 32.0 | |
May 12, 2022, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | 16.0 μg/m3 (15) | 7.5 μg/m3 (32) | 32.0 | |
May 12, 2022, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | 16.0 μg/m3 (15) | 7.5 μg/m3 (32) | 32.0 | |
May 12, 2022, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 23.0 ppb (22) | N/A | 18.0 μg/m3 (17) | 7.8 μg/m3 (33) | 33.0 | |
May 12, 2022, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 23.0 ppb (22) | N/A | 18.0 μg/m3 (17) | 7.8 μg/m3 (33) | 33.0 | |
May 12, 2022, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | 16.0 μg/m3 (15) | 7.7 μg/m3 (33) | 33.0 | |
May 12, 2022, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | 15.0 μg/m3 (14) | 7.5 μg/m3 (32) | 32.0 | |
May 12, 2022, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | 10.0 μg/m3 (10) | 5.9 μg/m3 (25) | 25.0 | |
May 12, 2022, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | 10.0 μg/m3 (10) | 6.0 μg/m3 (25) | 25.0 | |
May 12, 2022, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (26) | N/A | 11.0 μg/m3 (11) | 6.1 μg/m3 (26) | 26.0 | |
May 12, 2022, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (37) | N/A | 14.0 μg/m3 (13) | 7.4 μg/m3 (31) | 37.0 | |
May 12, 2022, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 43.0 ppb (40) | N/A | 13.0 μg/m3 (13) | 7.7 μg/m3 (33) | 40.0 | |
May 11, 2022, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 46.0 ppb (43) | N/A | 17.0 μg/m3 (16) | 8.2 μg/m3 (35) | 43.0 | |
May 11, 2022, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (45) | N/A | 17.0 μg/m3 (16) | 8.8 μg/m3 (37) | 45.0 | |
May 11, 2022, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 51.0 ppb (48) | N/A | 23.0 μg/m3 (22) | 10.0 μg/m3 (42) | 48.0 | |
May 11, 2022, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 52.0 ppb (49) | N/A | 18.0 μg/m3 (17) | 10.6 μg/m3 (45) | 49.0 | |
May 11, 2022, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 53.0 ppb (50) | N/A | 17.0 μg/m3 (16) | 10.3 μg/m3 (43) | 50.0 | |
May 11, 2022, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 52.0 ppb (49) | N/A | 16.0 μg/m3 (15) | 9.4 μg/m3 (40) | 49.0 | |
May 11, 2022, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 50.0 ppb (47) | N/A | 17.0 μg/m3 (16) | 9.1 μg/m3 (38) | 47.0 | |
May 11, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 47.0 ppb (44) | N/A | 16.0 μg/m3 (15) | 9.6 μg/m3 (40) | 44.0 | |
May 11, 2022, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 46.0 ppb (43) | N/A | 17.0 μg/m3 (16) | 10.6 μg/m3 (45) | 45.0 | |
May 11, 2022, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 45.0 ppb (42) | N/A | 20.0 μg/m3 (19) | 12.2 μg/m3 (52) | 52.0 | |
May 11, 2022, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 45.0 ppb (42) | N/A | 20.0 μg/m3 (19) | 12.2 μg/m3 (52) | 52.0 | |
May 11, 2022, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 45.0 ppb (42) | N/A | 19.0 μg/m3 (18) | 12.4 μg/m3 (52) | 52.0 | |
May 11, 2022, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 45.0 ppb (42) | N/A | 19.0 μg/m3 (18) | 12.4 μg/m3 (52) | 52.0 | |
May 11, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (34) | N/A | 14.0 μg/m3 (13) | 5.6 μg/m3 (24) | 34.0 | |
May 11, 2022, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 32.0 ppb (30) | N/A | 13.0 μg/m3 (13) | 5.9 μg/m3 (25) | 30.0 | |
May 11, 2022, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 32.0 ppb (30) | N/A | 14.0 μg/m3 (13) | 6.1 μg/m3 (26) | 30.0 | |
May 11, 2022, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 32.0 ppb (30) | N/A | 13.0 μg/m3 (13) | 6.0 μg/m3 (25) | 30.0 | |
May 11, 2022, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (41) | N/A | 12.0 μg/m3 (12) | 5.9 μg/m3 (25) | 41.0 | |
May 11, 2022, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (44) | N/A | 12.0 μg/m3 (12) | 5.7 μg/m3 (24) | 44.0 | |
May 11, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 46.0 ppb (43) | N/A | 11.0 μg/m3 (11) | 5.2 μg/m3 (22) | 43.0 | |
May 11, 2022, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 58.0 ppb (61) | N/A | 14.0 μg/m3 (13) | 5.0 μg/m3 (21) | 61.0 | |
May 10, 2022, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 60.0 ppb (68) | N/A | 13.0 μg/m3 (13) | 4.8 μg/m3 (20) | 68.0 | |
May 10, 2022, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 61.0 ppb (71) | N/A | 14.0 μg/m3 (13) | 4.5 μg/m3 (19) | 71.0 | |
May 10, 2022, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 59.0 ppb (65) | N/A | 13.0 μg/m3 (13) | 4.5 μg/m3 (19) | 65.0 | |
May 10, 2022, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 58.0 ppb (61) | N/A | 15.0 μg/m3 (14) | 4.6 μg/m3 (20) | 61.0 | |
May 10, 2022, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 57.0 ppb (58) | N/A | 13.0 μg/m3 (13) | 4.4 μg/m3 (19) | 58.0 | |
May 10, 2022, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 55.0 ppb (51) | N/A | 16.0 μg/m3 (15) | 4.6 μg/m3 (20) | 51.0 | |
May 10, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 53.0 ppb (50) | N/A | 15.0 μg/m3 (14) | 4.6 μg/m3 (20) | 50.0 | |
May 10, 2022, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 14.0 μg/m3 (13) | 4.5 μg/m3 (19) | 48.0 | |
May 10, 2022, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (13) | 4.8 μg/m3 (20) | 20.0 | |
May 10, 2022, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 49.0 ppb (46) | N/A | 11.0 μg/m3 (11) | 4.7 μg/m3 (20) | 46.0 | |
May 10, 2022, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (45) | N/A | 12.0 μg/m3 (12) | 4.9 μg/m3 (21) | 45.0 | |
May 10, 2022, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (45) | N/A | 12.0 μg/m3 (12) | 4.9 μg/m3 (21) | 45.0 | |
May 10, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (41) | N/A | 10.0 μg/m3 (10) | 5.1 μg/m3 (22) | 41.0 | |
May 10, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (41) | N/A | 10.0 μg/m3 (10) | 5.1 μg/m3 (22) | 41.0 | |
May 10, 2022, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 42.0 ppb (39) | N/A | 11.0 μg/m3 (11) | 5.2 μg/m3 (22) | 39.0 | |
May 10, 2022, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 42.0 ppb (39) | N/A | 11.0 μg/m3 (11) | 5.3 μg/m3 (23) | 39.0 | |
May 10, 2022, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (37) | N/A | 12.0 μg/m3 (12) | 5.5 μg/m3 (23) | 37.0 | |
May 10, 2022, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 34.0 ppb (32) | N/A | 13.0 μg/m3 (13) | 6.0 μg/m3 (25) | 32.0 | |
May 10, 2022, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 34.0 ppb (32) | N/A | 12.0 μg/m3 (12) | 6.3 μg/m3 (27) | 32.0 | |
May 10, 2022, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 25.0 ppb (24) | N/A | 13.0 μg/m3 (13) | 6.7 μg/m3 (28) | 28.0 | |
May 10, 2022, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 25.0 ppb (24) | N/A | 13.0 μg/m3 (13) | 6.7 μg/m3 (28) | 28.0 | |
May 10, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | 11.0 μg/m3 (11) | 6.0 μg/m3 (25) | 33.0 | |
May 10, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | 11.0 μg/m3 (11) | 6.0 μg/m3 (25) | 33.0 | |
May 10, 2022, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 40.0 ppb (38) | N/A | 12.0 μg/m3 (12) | 6.9 μg/m3 (29) | 38.0 | |
May 10, 2022, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 40.0 ppb (38) | N/A | 12.0 μg/m3 (12) | 6.9 μg/m3 (29) | 38.0 | |
May 10, 2022, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 50.0 ppb (47) | N/A | 11.0 μg/m3 (11) | 5.3 μg/m3 (23) | 47.0 | |
May 10, 2022, midnight | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 50.0 ppb (47) | N/A | 11.0 μg/m3 (11) | 5.3 μg/m3 (23) | 47.0 | |
May 9, 2022, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 54.0 ppb (50) | N/A | 11.0 μg/m3 (11) | 5.0 μg/m3 (21) | 50.0 | |
May 9, 2022, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 54.0 ppb (50) | N/A | 11.0 μg/m3 (11) | 5.0 μg/m3 (21) | 50.0 | |
May 9, 2022, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (2) | 58.0 ppb (61) | N/A | 12.0 μg/m3 (12) | 5.0 μg/m3 (21) | 61.0 | |
May 9, 2022, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 60.0 ppb (68) | N/A | 11.0 μg/m3 (11) | 5.0 μg/m3 (21) | 68.0 | |
May 9, 2022, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 60.0 ppb (68) | N/A | 11.0 μg/m3 (11) | 5.0 μg/m3 (21) | 68.0 | |
May 9, 2022, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 55.0 ppb (51) | N/A | 9.0 μg/m3 (9) | 4.5 μg/m3 (19) | 51.0 | |
May 9, 2022, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (36) | N/A | 10.0 μg/m3 (10) | 4.1 μg/m3 (18) | 36.0 | |
May 9, 2022, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 34.0 ppb (32) | N/A | 9.0 μg/m3 (9) | 4.0 μg/m3 (17) | 32.0 | |
May 9, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | 9.0 μg/m3 (9) | 4.5 μg/m3 (19) | 25.0 | |
May 9, 2022, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (22) | N/A | 10.0 μg/m3 (10) | 5.2 μg/m3 (22) | 22.0 | |
May 9, 2022, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (21) | N/A | 11.0 μg/m3 (11) | 5.4 μg/m3 (23) | 23.0 | |
May 9, 2022, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 17.0 ppb (16) | N/A | 10.0 μg/m3 (10) | 5.5 μg/m3 (23) | 23.0 | |
May 9, 2022, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 13.0 ppb (13) | N/A | 10.0 μg/m3 (10) | 6.1 μg/m3 (26) | 26.0 | |
May 9, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | 11.0 μg/m3 (11) | 6.1 μg/m3 (26) | 26.0 | |
May 9, 2022, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 33.0 ppb (31) | N/A | 10.0 μg/m3 (10) | 5.4 μg/m3 (23) | 31.0 | |
May 9, 2022, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (40) | N/A | 10.0 μg/m3 (10) | 5.3 μg/m3 (23) | 40.0 | |
May 8, 2022, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 46.0 ppb (43) | N/A | 10.0 μg/m3 (10) | 5.2 μg/m3 (22) | 43.0 | |
May 8, 2022, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 46.0 ppb (43) | N/A | 11.0 μg/m3 (11) | 5.5 μg/m3 (23) | 43.0 | |
May 8, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 μg/m3 (10) | 5.0 μg/m3 (21) | 21.0 | |
May 8, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 μg/m3 (10) | 5.0 μg/m3 (21) | 21.0 | |
May 8, 2022, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 μg/m3 (10) | 4.8 μg/m3 (20) | 20.0 | |
May 8, 2022, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 μg/m3 (10) | 4.6 μg/m3 (20) | 20.0 | |
May 8, 2022, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 8.0 μg/m3 (8) | 4.5 μg/m3 (19) | 19.0 | |
May 8, 2022, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 8.0 μg/m3 (8) | 4.5 μg/m3 (19) | 19.0 | |
May 8, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 7.0 μg/m3 (7) | 4.2 μg/m3 (18) | 18.0 | |
May 8, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 7.0 μg/m3 (7) | 4.2 μg/m3 (18) | 18.0 | |
May 8, 2022, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 6.0 μg/m3 (6) | 4.0 μg/m3 (17) | 17.0 | |
May 8, 2022, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 7.0 μg/m3 (7) | 4.4 μg/m3 (19) | 19.0 | |
May 8, 2022, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 7.0 μg/m3 (7) | 4.4 μg/m3 (19) | 19.0 | |
May 8, 2022, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 7.0 μg/m3 (7) | 4.2 μg/m3 (18) | 18.0 | |
May 8, 2022, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 7.0 μg/m3 (7) | 4.2 μg/m3 (18) | 18.0 | |
May 8, 2022, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 4.0 μg/m3 (4) | 3.2 μg/m3 (14) | 14.0 | |
May 8, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 4.0 μg/m3 (4) | 3.2 μg/m3 (14) | 14.0 | |
May 8, 2022, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 3.0 μg/m3 (3) | 2.7 μg/m3 (12) | 12.0 | |
May 8, 2022, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 3.0 μg/m3 (3) | 2.4 μg/m3 (10) | 10.0 | |
May 7, 2022, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 2.0 μg/m3 (2) | 1.3 μg/m3 (6) | 6.0 | |
May 7, 2022, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 1.0 μg/m3 (1) | 1.0 μg/m3 (5) | 5.0 | |
May 7, 2022, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 2.0 μg/m3 (2) | 1.2 μg/m3 (5) | 5.0 | |
May 7, 2022, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 3.0 μg/m3 (3) | 1.2 μg/m3 (5) | 5.0 | |
May 7, 2022, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 3.0 μg/m3 (3) | 1.6 μg/m3 (7) | 7.0 | |
May 7, 2022, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 3.0 μg/m3 (3) | 1.6 μg/m3 (7) | 7.0 | |
May 7, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 2.0 μg/m3 (2) | 1.2 μg/m3 (5) | 5.0 | |
May 7, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 2.0 μg/m3 (2) | 1.2 μg/m3 (5) | 5.0 | |
May 7, 2022, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 1.0 μg/m3 (1) | 0.7 μg/m3 (3) | 3.0 | |
May 7, 2022, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 1.0 μg/m3 (1) | 0.7 μg/m3 (3) | 3.0 | |
May 7, 2022, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 1.0 μg/m3 (1) | 0.6 μg/m3 (3) | 3.0 | |
May 7, 2022, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 1.0 μg/m3 (1) | 0.5 μg/m3 (3) | 3.0 | |
May 7, 2022, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 1.0 μg/m3 (1) | 0.6 μg/m3 (3) | 3.0 | |
May 7, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 1.0 μg/m3 (1) | 0.5 μg/m3 (3) | 3.0 | |
May 7, 2022, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 2.0 μg/m3 (2) | 0.5 μg/m3 (3) | 3.0 | |
May 7, 2022, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 2.0 μg/m3 (2) | 0.7 μg/m3 (3) | 3.0 | |
May 7, 2022, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 2.0 μg/m3 (2) | 0.7 μg/m3 (3) | 3.0 | |
May 7, 2022, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | 3.0 μg/m3 (3) | 1.3 μg/m3 (6) | 20.0 | |
May 7, 2022, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 5.0 μg/m3 (5) | 1.8 μg/m3 (8) | 8.0 | |
May 7, 2022, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | 5.0 μg/m3 (5) | 1.8 μg/m3 (8) | 20.0 | |
May 7, 2022, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | 4.0 μg/m3 (4) | 1.4 μg/m3 (6) | 20.0 | |
May 7, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | 4.0 μg/m3 (4) | 1.7 μg/m3 (8) | 20.0 | |
May 6, 2022, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 23.0 ppb (22) | N/A | 11.0 μg/m3 (11) | 5.4 μg/m3 (23) | 23.0 | |
May 6, 2022, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (21) | N/A | 11.0 μg/m3 (11) | 6.2 μg/m3 (26) | 26.0 | |
May 6, 2022, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (21) | N/A | 11.0 μg/m3 (11) | 6.2 μg/m3 (26) | 26.0 | |
May 6, 2022, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | 10.0 μg/m3 (10) | 5.5 μg/m3 (23) | 23.0 | |
May 6, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | 10.0 μg/m3 (10) | 5.5 μg/m3 (23) | 23.0 | |
May 6, 2022, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 21.0 ppb (20) | N/A | 9.0 μg/m3 (9) | 4.8 μg/m3 (20) | 20.0 | |
May 6, 2022, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 14.0 ppb (13) | N/A | N/A | 7.9 μg/m3 (33) | 33.0 | |
May 6, 2022, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 14.0 ppb (13) | N/A | N/A | 7.4 μg/m3 (31) | 31.0 | |
May 6, 2022, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 14.0 ppb (13) | N/A | N/A | 7.4 μg/m3 (31) | 31.0 | |
May 6, 2022, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 15.0 ppb (14) | N/A | N/A | 6.8 μg/m3 (29) | 29.0 | |
May 6, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 18.0 ppb (17) | N/A | N/A | 6.7 μg/m3 (28) | 28.0 | |
May 6, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 18.0 ppb (17) | N/A | N/A | 6.7 μg/m3 (28) | 28.0 | |
May 6, 2022, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 18.0 ppb (17) | N/A | N/A | 6.5 μg/m3 (28) | 28.0 | |
May 6, 2022, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (21) | N/A | N/A | 6.2 μg/m3 (26) | 26.0 | |
May 6, 2022, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (21) | N/A | N/A | 6.2 μg/m3 (26) | 26.0 | |
May 5, 2022, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | N/A | 5.4 μg/m3 (23) | 25.0 | |
May 5, 2022, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (25) | N/A | N/A | 5.4 μg/m3 (23) | 25.0 | |
May 5, 2022, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | N/A | 5.1 μg/m3 (22) | 33.0 | |
May 5, 2022, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 36.0 ppb (34) | N/A | N/A | 5.6 μg/m3 (24) | 34.0 | |
May 5, 2022, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | N/A | 5.9 μg/m3 (25) | 33.0 | |
May 5, 2022, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (33) | N/A | N/A | 5.9 μg/m3 (25) | 33.0 | |
May 5, 2022, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 31.0 ppb (29) | N/A | N/A | 5.6 μg/m3 (24) | 29.0 | |
May 5, 2022, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (25) | N/A | N/A | 5.7 μg/m3 (24) | 25.0 | |
May 5, 2022, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | N/A | 5.1 μg/m3 (22) | 24.0 | |
May 5, 2022, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | N/A | 4.2 μg/m3 (18) | 24.0 | |
May 5, 2022, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | N/A | 3.8 μg/m3 (16) | 24.0 | |
May 5, 2022, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | N/A | 7.9 μg/m3 (33) | 33.0 | |
May 5, 2022, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | N/A | 7.9 μg/m3 (33) | 33.0 | |
May 5, 2022, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | N/A | 6.9 μg/m3 (29) | 33.0 | |
May 5, 2022, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 5.8 μg/m3 (25) | 34.0 | |
May 5, 2022, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 5.8 μg/m3 (25) | 34.0 | |
May 5, 2022, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 5.2 μg/m3 (22) | 37.0 | |
May 5, 2022, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 5.2 μg/m3 (22) | 37.0 | |
May 5, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 5.7 μg/m3 (24) | 38.0 | |
May 5, 2022, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 5.7 μg/m3 (24) | 38.0 | |
May 5, 2022, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | N/A | 9.4 μg/m3 (40) | 40.0 | |
May 5, 2022, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | N/A | 9.4 μg/m3 (40) | 40.0 | |
May 4, 2022, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | N/A | 13.3 μg/m3 (54) | 54.0 | |
May 4, 2022, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | N/A | 12.7 μg/m3 (53) | 53.0 | |
May 4, 2022, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 7.7 μg/m3 (33) | 33.0 | |
May 4, 2022, noon | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 6.1 μg/m3 (26) | 26.0 | |
May 4, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
May 4, 2022, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
May 4, 2022, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 4.2 μg/m3 (18) | 18.0 | |
May 4, 2022, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 18.0 ppb (17) | N/A | N/A | 4.2 μg/m3 (18) | 18.0 | |
May 4, 2022, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 18.0 ppb (17) | N/A | N/A | 3.4 μg/m3 (15) | 17.0 |