Sacramento (Richmond Grove) CA, US: 38.56844, -121.49311
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 29, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (10) | N/A | 116.3 μg/m3 (81) | 30.0 μg/m3 (88) | 88.0 | |
| Sept. 29, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (8) | N/A | 76.4 μg/m3 (61) | 27.0 μg/m3 (82) | 82.0 | |
| Sept. 29, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (6) | N/A | 58.4 μg/m3 (52) | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 29, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 61.6 μg/m3 (53) | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 29, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 55.7 μg/m3 (50) | 20.0 μg/m3 (67) | 67.0 | |
| Sept. 29, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 53.5 μg/m3 (49) | 20.0 μg/m3 (67) | 67.0 | |
| Sept. 29, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 57.9 μg/m3 (51) | 20.0 μg/m3 (67) | 67.0 | |
| Sept. 29, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 72.1 μg/m3 (59) | 22.0 μg/m3 (71) | 71.0 | |
| Sept. 29, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 81.2 μg/m3 (63) | 20.0 μg/m3 (67) | 67.0 | |
| Sept. 29, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 79.7 μg/m3 (62) | 17.0 μg/m3 (61) | 62.0 | |
| Sept. 29, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | 65.1 μg/m3 (55) | 19.0 μg/m3 (65) | 65.0 | |
| Sept. 29, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 62.0 μg/m3 (54) | 20.0 μg/m3 (67) | 67.0 | |
| Sept. 29, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 64.3 μg/m3 (55) | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 29, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 78.8 μg/m3 (62) | 28.0 μg/m3 (84) | 84.0 | |
| Sept. 29, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 77.2 μg/m3 (61) | 33.0 μg/m3 (95) | 95.0 | |
| Sept. 29, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 64.1 μg/m3 (55) | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 29, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | 65.3 μg/m3 (55) | 12.0 μg/m3 (50) | 55.0 | |
| Sept. 28, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | 58.7 μg/m3 (52) | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 28, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | 58.1 μg/m3 (52) | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 28, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | 53.6 μg/m3 (49) | 7.0 μg/m3 (29) | 49.0 | |
| Sept. 28, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | 91.1 μg/m3 (68) | 27.0 μg/m3 (82) | 82.0 | |
| Sept. 28, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (40) | N/A | 120.9 μg/m3 (83) | 30.0 μg/m3 (88) | 88.0 | |
| Sept. 28, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 122.8 μg/m3 (84) | 21.0 μg/m3 (69) | 84.0 | |
| Sept. 28, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 132.6 μg/m3 (89) | 16.0 μg/m3 (59) | 89.0 | |
| Sept. 28, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | N/A | N/A | 22.0 | |
| Sept. 28, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 70.6 μg/m3 (58) | 5.0 μg/m3 (21) | 58.0 | |
| Sept. 28, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 46.1 μg/m3 (42) | 6.0 μg/m3 (25) | 42.0 | |
| Sept. 28, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 38.1 μg/m3 (35) | 4.0 μg/m3 (17) | 35.0 | |
| Sept. 28, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 40.2 μg/m3 (37) | 8.0 μg/m3 (33) | 37.0 | |
| Sept. 28, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 41.3 μg/m3 (38) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 28, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 63.7 μg/m3 (54) | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 28, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 61.9 μg/m3 (53) | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 28, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 77.8 μg/m3 (61) | 27.0 μg/m3 (82) | 82.0 | |
| Sept. 28, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 82.3 μg/m3 (64) | 26.0 μg/m3 (80) | 80.0 | |
| Sept. 28, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (6) | N/A | 68.1 μg/m3 (57) | 12.0 μg/m3 (50) | 57.0 | |
| Sept. 28, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | 83.1 μg/m3 (64) | 11.0 μg/m3 (46) | 64.0 | |
| Sept. 28, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | N/A | 87.3 μg/m3 (66) | 13.0 μg/m3 (52) | 66.0 | |
| Sept. 28, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 73.4 μg/m3 (59) | 19.0 μg/m3 (65) | 65.0 | |
| Sept. 28, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | N/A | 54.3 μg/m3 (49) | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 28, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 63.3 μg/m3 (54) | 13.0 μg/m3 (52) | 54.0 | |
| Sept. 28, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 81.3 μg/m3 (63) | 17.0 μg/m3 (61) | 63.0 | |
| Sept. 27, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | N/A | 103.7 μg/m3 (74) | 15.0 μg/m3 (56) | 74.0 | |
| Sept. 27, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | N/A | 128.5 μg/m3 (87) | 18.0 μg/m3 (63) | 87.0 | |
| Sept. 27, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 143.5 μg/m3 (94) | 11.0 μg/m3 (46) | 94.0 | |
| Sept. 27, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 155.2 μg/m3 (100) | 13.0 μg/m3 (52) | 100.0 | |
| Sept. 27, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (28) | N/A | 173.3 μg/m3 (109) | 13.0 μg/m3 (52) | 109.0 | |
| Sept. 27, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | 147.1 μg/m3 (96) | 10.0 μg/m3 (42) | 96.0 | |
| Sept. 27, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 101.1 μg/m3 (73) | 4.0 μg/m3 (17) | 73.0 | |
| Sept. 27, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 105.9 μg/m3 (75) | 4.0 μg/m3 (17) | 75.0 | |
| Sept. 27, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 95.7 μg/m3 (70) | 8.0 μg/m3 (33) | 70.0 | |
| Sept. 27, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 97.3 μg/m3 (71) | 12.0 μg/m3 (50) | 71.0 | |
| Sept. 27, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 106.1 μg/m3 (76) | 10.0 μg/m3 (42) | 76.0 | |
| Sept. 27, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 167.8 μg/m3 (106) | 8.0 μg/m3 (33) | 106.0 | |
| Sept. 27, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 285.9 μg/m3 (165) | 16.0 μg/m3 (59) | 165.0 | |
| Sept. 27, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 369.2 μg/m3 (220) | 17.0 μg/m3 (61) | 220.0 | |
| Sept. 27, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 251.6 μg/m3 (148) | 7.0 μg/m3 (29) | 148.0 | |
| Sept. 27, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 144.7 μg/m3 (95) | 21.0 μg/m3 (69) | 95.0 | |
| Sept. 27, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 55.3 μg/m3 (50) | 24.0 μg/m3 (76) | 76.0 | |
| Sept. 27, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 51.7 μg/m3 (47) | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 27, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | 50.8 μg/m3 (46) | 7.0 μg/m3 (29) | 46.0 | |
| Sept. 27, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (10) | N/A | 51.9 μg/m3 (47) | 10.0 μg/m3 (42) | 47.0 | |
| Sept. 27, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 37.7 μg/m3 (34) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 27, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 48.9 μg/m3 (44) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 27, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 54.4 μg/m3 (49) | 9.0 μg/m3 (38) | 49.0 | |
| Sept. 27, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | N/A | 49.3 μg/m3 (45) | 9.0 μg/m3 (38) | 45.0 | |
| Sept. 26, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 44.4 μg/m3 (40) | 7.0 μg/m3 (29) | 40.0 | |
| Sept. 26, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 76.3 μg/m3 (61) | 27.0 μg/m3 (82) | 82.0 | |
| Sept. 26, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | N/A | 69.5 μg/m3 (57) | 20.0 μg/m3 (67) | 67.0 | |
| Sept. 26, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 74.9 μg/m3 (60) | 10.0 μg/m3 (42) | 60.0 | |
| Sept. 26, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 55.4 μg/m3 (50) | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 26, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 35.1 μg/m3 (32) | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 26, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 43.9 μg/m3 (40) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 26, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | 43.7 μg/m3 (40) | 9.0 μg/m3 (38) | 40.0 | |
| Sept. 26, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (3) | N/A | 46.8 μg/m3 (43) | 10.0 μg/m3 (42) | 43.0 | |
| Sept. 26, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (2) | N/A | 26.2 μg/m3 (24) | 5.0 μg/m3 (21) | 24.0 | |
| Sept. 26, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (2) | N/A | 13.0 μg/m3 (12) | 7.0 μg/m3 (29) | 29.0 | |
| Sept. 26, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.1 μg/m3 (18) | 7.0 μg/m3 (29) | 29.0 | |
| Sept. 26, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | N/A | 20.1 μg/m3 (18) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 26, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | 15.9 μg/m3 (14) | 4.0 μg/m3 (17) | 17.0 | |
| Sept. 26, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (7) | N/A | 17.0 μg/m3 (15) | 7.0 μg/m3 (29) | 29.0 | |
| Sept. 26, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (10) | N/A | 17.4 μg/m3 (16) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 26, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | 23.0 μg/m3 (21) | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 26, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | 20.5 μg/m3 (19) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 26, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 20.5 μg/m3 (19) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 26, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 24.1 μg/m3 (22) | 8.0 μg/m3 (33) | 33.0 | |
| Sept. 26, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 24.3 μg/m3 (22) | 7.0 μg/m3 (29) | 29.0 | |
| Sept. 26, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 35.9 μg/m3 (33) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 26, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (32) | N/A | 46.0 μg/m3 (42) | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 26, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 42.4 μg/m3 (39) | 5.0 μg/m3 (21) | 39.0 | |
| Sept. 25, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 36.4 μg/m3 (33) | 5.0 μg/m3 (21) | 37.0 | |
| Sept. 25, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | 27.9 μg/m3 (25) | 6.0 μg/m3 (25) | 38.0 | |
| Sept. 25, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 31.7 μg/m3 (29) | 7.0 μg/m3 (29) | 37.0 | |
| Sept. 25, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | N/A | 34.5 μg/m3 (31) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 25, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (28) | N/A | 28.7 μg/m3 (26) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 25, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 30.4 μg/m3 (28) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 25, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 28.2 μg/m3 (26) | 8.0 μg/m3 (33) | 33.0 | |
| Sept. 25, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 28.3 μg/m3 (26) | 4.0 μg/m3 (17) | 26.0 | |
| Sept. 25, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 31.8 μg/m3 (29) | 6.0 μg/m3 (25) | 29.0 | |
| Sept. 25, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | 24.0 μg/m3 (22) | 7.0 μg/m3 (29) | 29.0 | |
| Sept. 25, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 19.0 μg/m3 (17) | 3.0 μg/m3 (12) | 17.0 | |
| Sept. 25, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.7 μg/m3 (18) | 4.0 μg/m3 (17) | 18.0 | |
| Sept. 25, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | 18.2 μg/m3 (17) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 25, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 19.8 μg/m3 (18) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 25, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 16.9 μg/m3 (15) | 4.0 μg/m3 (17) | 18.0 | |
| Sept. 25, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 12.0 μg/m3 (11) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 25, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 11.2 μg/m3 (10) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 25, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 14.2 μg/m3 (13) | 4.0 μg/m3 (17) | 21.0 | |
| Sept. 25, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 20.3 μg/m3 (18) | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 25, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 23.6 μg/m3 (21) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 25, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 27.8 μg/m3 (25) | 4.0 μg/m3 (17) | 25.0 | |
| Sept. 25, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 45.6 μg/m3 (41) | 2.0 μg/m3 (8) | 41.0 | |
| Sept. 25, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (25) | N/A | 63.1 μg/m3 (54) | 1.0 μg/m3 (4) | 54.0 | |
| Sept. 25, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 46.1 μg/m3 (42) | -2.0 μg/m3 (0) | 42.0 | |
| Sept. 24, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 26.6 μg/m3 (24) | -2.0 μg/m3 (0) | 27.0 | |
| Sept. 24, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 16.4 μg/m3 (15) | 2.0 μg/m3 (8) | 27.0 | |
| Sept. 24, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | N/A | 18.2 μg/m3 (17) | 5.0 μg/m3 (21) | 26.0 | |
| Sept. 24, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 23.3 μg/m3 (21) | 4.0 μg/m3 (17) | 27.0 | |
| Sept. 24, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 14.4 μg/m3 (13) | 4.0 μg/m3 (17) | 23.0 | |
| Sept. 24, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 17.0 μg/m3 (15) | 2.0 μg/m3 (8) | 18.0 | |
| Sept. 24, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 17.1 μg/m3 (16) | 0.0 μg/m3 (0) | 16.0 | |
| Sept. 24, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | 12.6 μg/m3 (11) | 1.0 μg/m3 (4) | 11.0 | |
| Sept. 24, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (5) | N/A | 17.8 μg/m3 (16) | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 24, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 27.5 μg/m3 (25) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 24, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 11.7 μg/m3 (11) | 4.0 μg/m3 (17) | 17.0 | |
| Sept. 24, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.9 μg/m3 (10) | 1.0 μg/m3 (4) | 10.0 | |
| Sept. 24, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (11) | 0.0 μg/m3 (0) | 11.0 | |
| Sept. 24, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (7) | N/A | 9.0 μg/m3 (8) | 1.0 μg/m3 (4) | 8.0 | |
| Sept. 24, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | N/A | 10.0 μg/m3 (9) | -2.0 μg/m3 (0) | 9.0 | |
| Sept. 24, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | N/A | 9.0 μg/m3 (8) | -2.0 μg/m3 (0) | 8.0 | |
| Sept. 24, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | 8.0 μg/m3 (7) | 0.0 μg/m3 (0) | 9.0 | |
| Sept. 24, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 16.0 μg/m3 (15) | -1.0 μg/m3 (0) | 15.0 | |
| Sept. 24, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 12.0 μg/m3 (11) | 0.0 μg/m3 (0) | 12.0 | |
| Sept. 24, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 7.0 μg/m3 (6) | 1.0 μg/m3 (4) | 12.0 | |
| Sept. 24, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 18.0 μg/m3 (16) | 4.0 μg/m3 (17) | 17.0 | |
| Sept. 24, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 35.0 μg/m3 (32) | 7.0 μg/m3 (29) | 32.0 | |
| Sept. 24, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 40.0 μg/m3 (36) | 7.0 μg/m3 (29) | 36.0 | |
| Sept. 24, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (25) | N/A | 35.0 μg/m3 (32) | 1.0 μg/m3 (4) | 32.0 | |
| Sept. 23, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 17.0 μg/m3 (15) | 4.0 μg/m3 (17) | 30.0 | |
| Sept. 23, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 25.0 μg/m3 (23) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 23, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 50.0 μg/m3 (45) | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 23, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (35) | N/A | 43.0 μg/m3 (39) | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 23, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 25.0 μg/m3 (23) | 5.0 μg/m3 (21) | 31.0 | |
| Sept. 23, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 27.0 μg/m3 (25) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 23, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 24.0 μg/m3 (22) | 7.0 μg/m3 (29) | 29.0 | |
| Sept. 23, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 25.0 μg/m3 (23) | 5.0 μg/m3 (21) | 23.0 | |
| Sept. 23, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (10) | N/A | 21.0 μg/m3 (19) | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 23, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (3) | N/A | 31.0 μg/m3 (28) | 4.0 μg/m3 (17) | 28.0 | |
| Sept. 23, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 26.0 μg/m3 (24) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 23, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (12) | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 23, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 11.0 μg/m3 (10) | 3.0 μg/m3 (12) | 15.0 | |
| Sept. 23, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 6.0 μg/m3 (5) | 0.0 μg/m3 (0) | 15.0 | |
| Sept. 23, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 18.0 μg/m3 (16) | 3.0 μg/m3 (12) | 16.0 | |
| Sept. 23, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | 15.0 μg/m3 (14) | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 23, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 16.0 μg/m3 (15) | 2.0 μg/m3 (8) | 15.0 | |
| Sept. 23, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 16.0 μg/m3 (15) | 3.0 μg/m3 (12) | 16.0 | |
| Sept. 23, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 11.0 μg/m3 (10) | 1.0 μg/m3 (4) | 18.0 | |
| Sept. 23, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 17.0 μg/m3 (15) | 1.0 μg/m3 (4) | 18.0 | |
| Sept. 23, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 22.0 μg/m3 (20) | 3.0 μg/m3 (12) | 20.0 | |
| Sept. 23, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 34.0 μg/m3 (31) | 5.0 μg/m3 (21) | 31.0 | |
| Sept. 23, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 31.0 μg/m3 (28) | 4.0 μg/m3 (17) | 28.0 | |
| Sept. 23, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 32.0 μg/m3 (29) | 3.0 μg/m3 (12) | 33.0 | |
| Sept. 22, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 23.0 μg/m3 (21) | 2.0 μg/m3 (8) | 38.0 | |
| Sept. 22, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | 14.0 μg/m3 (13) | 0.0 μg/m3 (0) | 36.0 | |
| Sept. 22, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 20.0 μg/m3 (18) | 1.0 μg/m3 (4) | 33.0 | |
| Sept. 22, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 23.0 μg/m3 (21) | 2.0 μg/m3 (8) | 29.0 | |
| Sept. 22, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (25) | N/A | 34.0 μg/m3 (31) | 5.0 μg/m3 (21) | 31.0 | |
| Sept. 22, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 28.0 μg/m3 (25) | 8.0 μg/m3 (33) | 33.0 | |
| Sept. 22, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 24.0 μg/m3 (22) | 5.0 μg/m3 (21) | 22.0 |