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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 15, 2020, 11 a.m. | 11.1 ppb (10) | 0.4 ppb (0) | N/A | 11.0 ppb (10) | N/A | N/A | 10.0 ppb (8) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 15, 2020, 10 a.m. | 9.5 ppb (9) | 0.4 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 15, 2020, 9 a.m. | 12.3 ppb (11) | 0.5 ppb (0) | N/A | 12.0 ppb (11) | N/A | N/A | 12.0 ppb (9) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 15, 2020, 8 a.m. | 14.2 ppb (13) | 0.5 ppb (0) | N/A | 14.0 ppb (13) | N/A | N/A | 11.0 ppb (8) | N/A | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 15, 2020, 7 a.m. | 11.4 ppb (11) | 0.5 ppb (0) | N/A | 11.0 ppb (10) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 15, 2020, 6 a.m. | 10.0 ppb (9) | 0.2 ppb (0) | N/A | 10.0 ppb (9) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | 18.0 μg/m3 (63) | 63.0 | |
| July 15, 2020, 5 a.m. | 8.4 ppb (8) | 0.0 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 21.0 μg/m3 (69) | 69.0 | |
| July 15, 2020, 4 a.m. | 9.1 ppb (8) | 0.0 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 15, 2020, 3 a.m. | 6.5 ppb (6) | 0.1 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 18.0 μg/m3 (63) | 63.0 | |
| July 15, 2020, 2 a.m. | 3.3 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 59.0 ppb (45) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 15, 2020, 1 a.m. | 3.3 ppb (3) | 0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 61.0 ppb (47) | N/A | N/A | 19.0 μg/m3 (65) | 65.0 | |
| July 15, 2020, midnight | 3.8 ppb (4) | 0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 66.0 ppb (51) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 14, 2020, 11 p.m. | 4.4 ppb (4) | 0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 69.0 ppb (53) | N/A | N/A | 12.0 μg/m3 (50) | 53.0 | |
| July 14, 2020, 10 p.m. | 3.4 ppb (3) | 0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 65.0 ppb (50) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 14, 2020, 9 p.m. | 3.6 ppb (3) | 0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 58.0 ppb (45) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 14, 2020, 8 p.m. | 3.6 ppb (3) | 0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 52.0 ppb (40) | N/A | N/A | 8.0 μg/m3 (33) | 40.0 | |
| July 14, 2020, 7 p.m. | 4.1 ppb (4) | 0.5 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 8.0 μg/m3 (33) | 35.0 | |
| July 14, 2020, 6 p.m. | 8.5 ppb (8) | 1.7 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 14, 2020, 5 p.m. | 12.2 ppb (11) | 3.0 ppb (3) | N/A | 9.0 ppb (8) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 14, 2020, 4 p.m. | 10.4 ppb (10) | 2.9 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| July 14, 2020, 3 p.m. | 8.2 ppb (8) | 2.4 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 14, 2020, 2 p.m. | 8.6 ppb (8) | 2.4 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | 2.0 μg/m3 (8) | 11.0 | |
| July 14, 2020, 1 p.m. | 8.1 ppb (8) | 1.4 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 13.0 ppb (10) | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| July 14, 2020, noon | 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 | |
| July 14, 2020, 11 a.m. | 4.5 ppb (4) | 0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 14, 2020, 10 a.m. | 4.1 ppb (4) | 0.2 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 19.0 ppb (15) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| July 14, 2020, 9 a.m. | 3.6 ppb (3) | 0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 14, 2020, 8 a.m. | 3.7 ppb (3) | 0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 14, 2020, 7 a.m. | 3.3 ppb (3) | 0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 14, 2020, 6 a.m. | 3.6 ppb (3) | 0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 5.0 μg/m3 (21) | 22.0 | |
| July 14, 2020, 5 a.m. | 5.0 ppb (5) | 0.2 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 24.0 ppb (18) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 14, 2020, 4 a.m. | 5.6 ppb (5) | 0.3 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 14, 2020, 3 a.m. | 5.6 ppb (5) | 0.2 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 14, 2020, 2 a.m. | 2.9 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 64.0 ppb (49) | N/A | N/A | 7.0 μg/m3 (29) | 49.0 | |
| July 14, 2020, 1 a.m. | 2.1 ppb (2) | 0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 56.0 ppb (43) | N/A | N/A | 8.0 μg/m3 (33) | 43.0 | |
| July 14, 2020, midnight | 2.6 ppb (2) | 0.3 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 54.0 ppb (42) | N/A | N/A | 6.0 μg/m3 (25) | 42.0 | |
| July 13, 2020, 11 p.m. | 3.2 ppb (3) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 59.0 ppb (45) | N/A | N/A | 6.0 μg/m3 (25) | 45.0 | |
| July 13, 2020, 10 p.m. | 2.6 ppb (2) | 0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 61.0 ppb (47) | N/A | 20.0 μg/m3 (18) | 9.0 μg/m3 (38) | 47.0 | |
| July 13, 2020, 9 p.m. | 3.7 ppb (3) | 0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 59.0 ppb (45) | N/A | 25.0 μg/m3 (23) | 6.0 μg/m3 (25) | 45.0 | |
| July 13, 2020, 8 p.m. | 3.6 ppb (3) | 0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 51.0 ppb (39) | N/A | 27.0 μg/m3 (25) | 7.0 μg/m3 (29) | 39.0 | |
| July 13, 2020, 7 p.m. | 4.9 ppb (5) | 0.3 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 50.0 ppb (38) | N/A | 40.0 μg/m3 (36) | 8.0 μg/m3 (33) | 38.0 | |
| July 13, 2020, 6 p.m. | 7.3 ppb (7) | 0.6 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 55.0 ppb (42) | N/A | 51.0 μg/m3 (46) | 13.0 μg/m3 (52) | 52.0 | |
| July 13, 2020, 5 p.m. | 7.4 ppb (7) | 0.8 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 46.0 ppb (35) | N/A | 36.0 μg/m3 (33) | 9.0 μg/m3 (38) | 38.0 | |
| July 13, 2020, 4 p.m. | 13.0 ppb (12) | 2.8 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | 33.0 ppb (25) | N/A | 44.0 μg/m3 (40) | 12.0 μg/m3 (50) | 50.0 | |
| July 13, 2020, 3 p.m. | 23.5 ppb (22) | 7.3 ppb (7) | N/A | 16.0 ppb (15) | N/A | N/A | 19.0 ppb (15) | N/A | 72.0 μg/m3 (58) | 9.0 μg/m3 (38) | 58.0 | |
| July 13, 2020, 2 p.m. | 24.9 ppb (23) | 8.0 ppb (7) | N/A | 17.0 ppb (16) | N/A | N/A | 11.0 ppb (8) | N/A | 52.0 μg/m3 (47) | 12.0 μg/m3 (50) | 50.0 | |
| July 13, 2020, 1 p.m. | 18.2 ppb (17) | 2.7 ppb (3) | N/A | 16.0 ppb (15) | N/A | N/A | 11.0 ppb (8) | N/A | 39.0 μg/m3 (35) | 17.0 μg/m3 (61) | 61.0 | |
| July 13, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 μg/m3 (46) | 12.0 μg/m3 (50) | 50.0 | |
| July 13, 2020, 11 a.m. | 7.2 ppb (7) | 0.1 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 29.0 ppb (22) | N/A | 33.0 μg/m3 (30) | 6.0 μg/m3 (25) | 30.0 | |
| July 13, 2020, 10 a.m. | 7.1 ppb (7) | 0.3 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 31.0 ppb (24) | N/A | 31.0 μg/m3 (28) | 9.0 μg/m3 (38) | 38.0 | |
| July 13, 2020, 9 a.m. | 8.3 ppb (8) | 0.3 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | 30.0 ppb (23) | N/A | 33.0 μg/m3 (30) | 9.0 μg/m3 (38) | 38.0 | |
| July 13, 2020, 8 a.m. | 8.2 ppb (8) | 0.3 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | 30.0 ppb (23) | N/A | 35.0 μg/m3 (32) | 8.0 μg/m3 (33) | 33.0 | |
| July 13, 2020, 7 a.m. | 8.8 ppb (8) | 0.0 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 13, 2020, 6 a.m. | 9.4 ppb (9) | 0.3 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 13, 2020, 5 a.m. | 8.6 ppb (8) | 0.2 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 13, 2020, 4 a.m. | 6.7 ppb (6) | 0.0 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 44.0 ppb (34) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 13, 2020, 3 a.m. | 5.3 ppb (5) | 0.0 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 13, 2020, 2 a.m. | 3.4 ppb (3) | -0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 66.0 ppb (51) | N/A | N/A | 12.0 μg/m3 (50) | 51.0 | |
| July 13, 2020, 1 a.m. | 2.8 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 65.0 ppb (50) | N/A | N/A | 11.0 μg/m3 (46) | 50.0 | |
| July 13, 2020, midnight | 2.1 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 65.0 ppb (50) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 12, 2020, 11 p.m. | 2.8 ppb (3) | 0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 60.0 ppb (46) | N/A | N/A | 7.0 μg/m3 (29) | 46.0 | |
| July 12, 2020, 10 p.m. | 2.5 ppb (2) | -0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 61.0 ppb (47) | N/A | N/A | 9.0 μg/m3 (38) | 47.0 | |
| July 12, 2020, 9 p.m. | 3.4 ppb (3) | 0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 65.0 ppb (50) | N/A | N/A | 7.0 μg/m3 (29) | 50.0 | |
| July 12, 2020, 8 p.m. | 5.0 ppb (5) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 67.0 ppb (52) | N/A | N/A | 9.0 μg/m3 (38) | 52.0 | |
| July 12, 2020, 7 p.m. | 5.0 ppb (5) | 0.2 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 66.0 ppb (51) | N/A | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 12, 2020, 6 p.m. | 6.5 ppb (6) | 0.5 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 58.0 ppb (45) | N/A | N/A | 8.0 μg/m3 (33) | 45.0 | |
| July 12, 2020, 5 p.m. | 10.2 ppb (9) | 1.2 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 12, 2020, 4 p.m. | 8.0 ppb (7) | 0.9 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 41.0 ppb (32) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 12, 2020, 3 p.m. | 12.4 ppb (11) | 2.5 ppb (2) | N/A | 10.0 ppb (9) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 12, 2020, 2 p.m. | 15.5 ppb (14) | 3.9 ppb (4) | N/A | 12.0 ppb (11) | N/A | N/A | 15.0 ppb (12) | N/A | N/A | 19.0 μg/m3 (65) | 65.0 | |
| July 12, 2020, 1 p.m. | 22.3 ppb (21) | 4.8 ppb (4) | N/A | 18.0 ppb (17) | N/A | N/A | 6.0 ppb (5) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 12, 2020, noon | 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 | |
| July 12, 2020, 11 a.m. | 10.4 ppb (10) | 0.7 ppb (1) | N/A | 10.0 ppb (9) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 12, 2020, 10 a.m. | 7.5 ppb (7) | 0.4 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 24.0 ppb (18) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 12, 2020, 9 a.m. | 6.9 ppb (6) | 0.3 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 12, 2020, 8 a.m. | 7.3 ppb (7) | 0.2 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 12, 2020, 7 a.m. | 8.9 ppb (8) | 0.1 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 12, 2020, 6 a.m. | 8.1 ppb (8) | 0.3 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 12, 2020, 5 a.m. | 8.7 ppb (8) | 0.2 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 12, 2020, 4 a.m. | 5.3 ppb (5) | 0.2 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 48.0 ppb (37) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 12, 2020, 3 a.m. | 7.1 ppb (7) | 0.3 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 55.0 ppb (42) | N/A | N/A | 18.0 μg/m3 (63) | 63.0 | |
| July 12, 2020, 2 a.m. | 4.1 ppb (4) | -0.2 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 64.0 ppb (49) | N/A | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 12, 2020, 1 a.m. | 2.9 ppb (3) | 0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 71.0 ppb (55) | N/A | N/A | 10.0 μg/m3 (42) | 55.0 | |
| July 12, 2020, midnight | 2.8 ppb (3) | 0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 70.0 ppb (54) | N/A | N/A | 12.0 μg/m3 (50) | 54.0 | |
| July 11, 2020, 11 p.m. | 3.0 ppb (3) | 0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 70.0 ppb (54) | N/A | N/A | 9.0 μg/m3 (38) | 54.0 | |
| July 11, 2020, 10 p.m. | 3.2 ppb (3) | 0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 72.0 ppb (56) | N/A | N/A | 11.0 μg/m3 (46) | 56.0 | |
| July 11, 2020, 9 p.m. | 4.0 ppb (4) | 0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 74.0 ppb (57) | N/A | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 11, 2020, 8 p.m. | 4.4 ppb (4) | 0.5 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 68.0 ppb (52) | N/A | N/A | 7.0 μg/m3 (29) | 52.0 | |
| July 11, 2020, 7 p.m. | 6.7 ppb (6) | 0.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 72.0 ppb (56) | N/A | N/A | 22.0 μg/m3 (71) | 71.0 | |
| July 11, 2020, 6 p.m. | 7.8 ppb (7) | 0.7 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 61.0 ppb (47) | N/A | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 11, 2020, 5 p.m. | 12.8 ppb (12) | 2.2 ppb (2) | N/A | 11.0 ppb (10) | N/A | N/A | 46.0 ppb (35) | N/A | N/A | 20.0 μg/m3 (67) | 67.0 | |
| July 11, 2020, 4 p.m. | 14.9 ppb (14) | 2.9 ppb (3) | N/A | 12.0 ppb (11) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 26.0 μg/m3 (80) | 80.0 | |
| July 11, 2020, 3 p.m. | 15.6 ppb (14) | 3.9 ppb (4) | N/A | 12.0 ppb (11) | N/A | N/A | 24.0 ppb (18) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 11, 2020, 2 p.m. | 25.3 ppb (23) | 8.5 ppb (8) | N/A | 17.0 ppb (16) | N/A | N/A | 11.0 ppb (8) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 11, 2020, 1 p.m. | 22.4 ppb (21) | 5.2 ppb (5) | N/A | 17.0 ppb (16) | N/A | N/A | 7.0 ppb (5) | N/A | N/A | 18.0 μg/m3 (63) | 63.0 | |
| July 11, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (67) | 67.0 | |
| July 11, 2020, 11 a.m. | 18.6 ppb (17) | 1.1 ppb (1) | N/A | 17.0 ppb (16) | N/A | N/A | 5.0 ppb (4) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 11, 2020, 10 a.m. | 15.0 ppb (14) | 0.9 ppb (1) | N/A | 14.0 ppb (13) | N/A | N/A | 8.0 ppb (6) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 11, 2020, 9 a.m. | 12.5 ppb (12) | 0.7 ppb (1) | N/A | 12.0 ppb (11) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 11, 2020, 8 a.m. | 15.5 ppb (14) | 0.6 ppb (1) | N/A | 15.0 ppb (14) | N/A | N/A | 16.0 ppb (12) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 11, 2020, 7 a.m. | 13.6 ppb (13) | 0.6 ppb (1) | N/A | 13.0 ppb (12) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 11, 2020, 6 a.m. | 10.0 ppb (9) | 0.4 ppb (0) | N/A | 10.0 ppb (9) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 11, 2020, 5 a.m. | 6.9 ppb (6) | 0.1 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 38.0 ppb (29) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 11, 2020, 4 a.m. | 5.2 ppb (5) | -0.2 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 44.0 ppb (34) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 11, 2020, 3 a.m. | 6.5 ppb (6) | 0.2 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 46.0 ppb (35) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 11, 2020, 2 a.m. | 4.3 ppb (4) | 0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 9.0 μg/m3 (38) | 44.0 | |
| July 11, 2020, 1 a.m. | 3.5 ppb (3) | 0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 75.0 ppb (58) | N/A | N/A | 15.0 μg/m3 (56) | 58.0 | |
| July 11, 2020, midnight | 3.3 ppb (3) | 0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 67.0 ppb (52) | N/A | N/A | 7.0 μg/m3 (29) | 52.0 | |
| July 10, 2020, 11 p.m. | 3.7 ppb (3) | 0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 67.0 ppb (52) | N/A | N/A | 16.0 μg/m3 (59) | 59.0 | |
| July 10, 2020, 10 p.m. | 3.9 ppb (4) | 0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 67.0 ppb (52) | N/A | N/A | 10.0 μg/m3 (42) | 52.0 | |
| July 10, 2020, 9 p.m. | 4.3 ppb (4) | 0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 67.0 ppb (52) | N/A | N/A | 7.0 μg/m3 (29) | 52.0 | |
| July 10, 2020, 8 p.m. | 5.5 ppb (5) | 0.3 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 70.0 ppb (54) | N/A | N/A | 18.0 μg/m3 (63) | 63.0 | |
| July 10, 2020, 7 p.m. | 7.1 ppb (7) | 0.5 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 63.0 ppb (48) | N/A | N/A | 21.0 μg/m3 (69) | 69.0 | |
| July 10, 2020, 6 p.m. | 8.5 ppb (8) | 0.9 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 56.0 ppb (43) | N/A | N/A | 18.0 μg/m3 (63) | 63.0 | |
| July 10, 2020, 5 p.m. | 12.4 ppb (11) | 2.2 ppb (2) | N/A | 10.0 ppb (9) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 24.0 μg/m3 (76) | 76.0 | |
| July 10, 2020, 4 p.m. | 13.2 ppb (12) | 2.9 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 24.0 μg/m3 (76) | 76.0 | |
| July 10, 2020, 3 p.m. | 20.6 ppb (19) | 6.7 ppb (6) | N/A | 14.0 ppb (13) | N/A | N/A | 20.0 ppb (15) | N/A | N/A | 20.0 μg/m3 (67) | 67.0 | |
| July 10, 2020, 2 p.m. | 33.3 ppb (31) | 14.5 ppb (13) | N/A | 19.0 ppb (18) | N/A | N/A | 7.0 ppb (5) | N/A | N/A | 19.0 μg/m3 (65) | 65.0 | |
| July 10, 2020, 1 p.m. | 32.7 ppb (30) | 13.1 ppb (12) | N/A | 20.0 ppb (19) | N/A | N/A | 3.0 ppb (2) | N/A | N/A | 20.0 μg/m3 (67) | 67.0 | |
| July 10, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 10, 2020, 11 a.m. | 12.0 ppb (11) | 0.3 ppb (0) | N/A | 12.0 ppb (11) | N/A | N/A | 13.0 ppb (10) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 10, 2020, 10 a.m. | 8.3 ppb (8) | 0.3 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 10, 2020, 9 a.m. | 6.5 ppb (6) | 0.1 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 10, 2020, 8 a.m. | 8.4 ppb (8) | 0.2 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| July 10, 2020, 7 a.m. | 8.0 ppb (7) | 0.3 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| July 10, 2020, 6 a.m. | 8.7 ppb (8) | 0.2 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 10, 2020, 5 a.m. | 8.8 ppb (8) | 0.1 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 6.0 μg/m3 (25) | 27.0 | |
| July 10, 2020, 4 a.m. | 5.8 ppb (5) | 0.1 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 46.0 ppb (35) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 10, 2020, 3 a.m. | 4.8 ppb (4) | -0.1 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 10, 2020, 2 a.m. | 3.5 ppb (3) | 0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 54.0 ppb (42) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| July 10, 2020, 1 a.m. | 2.6 ppb (2) | 0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 62.0 ppb (48) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 10, 2020, midnight | 2.8 ppb (3) | 0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 64.0 ppb (49) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 9, 2020, 11 p.m. | 2.8 ppb (3) | 0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 63.0 ppb (48) | N/A | N/A | 9.0 μg/m3 (38) | 48.0 | |
| July 9, 2020, 10 p.m. | 3.4 ppb (3) | 0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 64.0 ppb (49) | N/A | N/A | 10.0 μg/m3 (42) | 49.0 | |
| July 9, 2020, 9 p.m. | 3.7 ppb (3) | 0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 62.0 ppb (48) | N/A | N/A | 11.0 μg/m3 (46) | 48.0 | |
| July 9, 2020, 8 p.m. | 4.1 ppb (4) | 0.5 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 63.0 ppb (48) | N/A | N/A | 8.0 μg/m3 (33) | 48.0 | |
| July 9, 2020, 7 p.m. | 6.3 ppb (6) | 0.8 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 59.0 ppb (45) | N/A | N/A | 9.0 μg/m3 (38) | 45.0 | |
| July 9, 2020, 6 p.m. | 8.9 ppb (8) | 1.0 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 58.0 ppb (45) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 9, 2020, 5 p.m. | 10.7 ppb (10) | 1.6 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | 49.0 ppb (38) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 9, 2020, 4 p.m. | 13.6 ppb (13) | 2.5 ppb (2) | N/A | 11.0 ppb (10) | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 24.0 μg/m3 (76) | 76.0 | |
| July 9, 2020, 3 p.m. | 22.7 ppb (21) | 6.6 ppb (6) | N/A | 16.0 ppb (15) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 18.0 μg/m3 (63) | 63.0 | |
| July 9, 2020, 2 p.m. | 28.9 ppb (27) | 10.1 ppb (9) | N/A | 19.0 ppb (18) | N/A | N/A | 11.0 ppb (8) | N/A | N/A | 22.0 μg/m3 (71) | 71.0 | |
| July 9, 2020, 1 p.m. | 16.3 ppb (15) | 2.7 ppb (3) | N/A | 14.0 ppb (13) | N/A | N/A | 15.0 ppb (12) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| July 9, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 9, 2020, 11 a.m. | 9.1 ppb (8) | 0.2 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | 22.0 ppb (17) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 9, 2020, 10 a.m. | 10.4 ppb (10) | 0.5 ppb (0) | N/A | 10.0 ppb (9) | N/A | N/A | 22.0 ppb (17) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 9, 2020, 9 a.m. | 10.3 ppb (10) | 0.5 ppb (0) | N/A | 10.0 ppb (9) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 9, 2020, 8 a.m. | 9.8 ppb (9) | 0.4 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 9, 2020, 7 a.m. | 9.8 ppb (9) | 0.0 ppb (0) | N/A | 10.0 ppb (9) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 9, 2020, 6 a.m. | 5.9 ppb (5) | 0.2 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 49.0 ppb (38) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 9, 2020, 5 a.m. | 7.5 ppb (7) | 0.2 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 53.0 ppb (41) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 9, 2020, 4 a.m. | 8.8 ppb (8) | 0.3 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | 50.0 ppb (38) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 9, 2020, 3 a.m. | 5.7 ppb (5) | 0.1 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 54.0 ppb (42) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| July 9, 2020, 2 a.m. | 2.9 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 62.0 ppb (48) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| July 9, 2020, 1 a.m. | 2.4 ppb (2) | 0.2 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 63.0 ppb (48) | N/A | N/A | 11.0 μg/m3 (46) | 48.0 | |
| July 9, 2020, midnight | 2.7 ppb (3) | 0.4 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 61.0 ppb (47) | N/A | N/A | 10.0 μg/m3 (42) | 47.0 | |
| July 8, 2020, 11 p.m. | 3.0 ppb (3) | 0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 60.0 ppb (46) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| July 8, 2020, 10 p.m. | 2.9 ppb (3) | 0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 61.0 ppb (47) | N/A | N/A | 11.0 μg/m3 (46) | 47.0 | |
| July 8, 2020, 9 p.m. | 3.8 ppb (4) | 0.3 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 65.0 ppb (50) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 8, 2020, 8 p.m. | 3.7 ppb (3) | 0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 62.0 ppb (48) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| July 8, 2020, 7 p.m. | 5.3 ppb (5) | 0.5 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | 63.0 ppb (48) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 8, 2020, 6 p.m. | 7.5 ppb (7) | 0.8 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 57.0 ppb (44) | N/A | N/A | 20.0 μg/m3 (67) | 67.0 | |
| July 8, 2020, 5 p.m. | 11.4 ppb (11) | 2.0 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | 44.0 ppb (34) | N/A | N/A | N/A | 34.0 | |
| July 8, 2020, 4 p.m. | 10.1 ppb (9) | 1.9 ppb (2) | N/A | 8.0 ppb (7) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 15.0 μg/m3 (56) | 56.0 | |
| July 8, 2020, 3 p.m. | 12.8 ppb (12) | 3.4 ppb (3) | N/A | 9.0 ppb (8) | N/A | N/A | 25.0 ppb (19) | N/A | 61.0 μg/m3 (53) | 18.0 μg/m3 (63) | 63.0 | |
| July 8, 2020, 2 p.m. | 26.3 ppb (24) | 9.6 ppb (9) | N/A | 17.0 ppb (16) | N/A | N/A | 11.0 ppb (8) | N/A | 77.0 μg/m3 (61) | 18.0 μg/m3 (63) | 63.0 | |
| July 8, 2020, 1 p.m. | 27.7 ppb (26) | 9.7 ppb (9) | N/A | 18.0 ppb (17) | N/A | N/A | 4.0 ppb (3) | N/A | 102.0 μg/m3 (74) | 15.0 μg/m3 (56) | 74.0 | |
| July 8, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 μg/m3 (51) | 16.0 μg/m3 (59) | 59.0 |