Madera (Ave 14) CA, US: 36.9533, -120.0341
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 25, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 30.8 μg/m3 (28) | 6.0 μg/m3 (25) | 28.0 | |
| Sept. 25, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | 26.9 μg/m3 (24) | 4.0 μg/m3 (17) | 25.0 | |
| Sept. 25, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 39.1 μg/m3 (36) | 6.0 μg/m3 (25) | 36.0 | |
| Sept. 25, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 58.4 μg/m3 (52) | 2.0 μg/m3 (8) | 52.0 | |
| Sept. 25, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 60.8 μg/m3 (53) | 3.0 μg/m3 (12) | 53.0 | |
| Sept. 25, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (25) | N/A | 50.9 μg/m3 (46) | 7.0 μg/m3 (29) | 46.0 | |
| Sept. 25, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (25) | N/A | 67.4 μg/m3 (56) | 7.0 μg/m3 (29) | 56.0 | |
| Sept. 25, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | N/A | 63.7 μg/m3 (54) | 7.0 μg/m3 (29) | 54.0 | |
| Sept. 25, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | N/A | 76.5 μg/m3 (61) | 7.0 μg/m3 (29) | 61.0 | |
| Sept. 24, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 78.7 μg/m3 (62) | 10.0 μg/m3 (42) | 62.0 | |
| Sept. 24, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (35) | N/A | 67.2 μg/m3 (56) | 6.0 μg/m3 (25) | 56.0 | |
| Sept. 24, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | N/A | 60.9 μg/m3 (53) | 5.0 μg/m3 (21) | 53.0 | |
| Sept. 24, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 54.4 μg/m3 (49) | 6.0 μg/m3 (25) | 49.0 | |
| Sept. 24, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | 71.5 μg/m3 (58) | 9.0 μg/m3 (38) | 58.0 | |
| Sept. 24, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 53.7 μg/m3 (49) | 5.0 μg/m3 (21) | 49.0 | |
| Sept. 24, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 58.4 μg/m3 (52) | 3.0 μg/m3 (12) | 52.0 | |
| Sept. 24, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 49.0 μg/m3 (45) | 4.0 μg/m3 (17) | 45.0 | |
| Sept. 24, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | 30.7 μg/m3 (28) | 4.0 μg/m3 (17) | 28.0 | |
| Sept. 24, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | N/A | 31.4 μg/m3 (29) | 4.0 μg/m3 (17) | 29.0 | |
| Sept. 24, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (4) | N/A | 25.4 μg/m3 (23) | 5.0 μg/m3 (21) | 23.0 | |
| Sept. 24, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (7) | N/A | 19.6 μg/m3 (18) | 4.0 μg/m3 (17) | 18.0 | |
| Sept. 24, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.7 μg/m3 (17) | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 24, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | N/A | 15.0 μg/m3 (14) | 4.0 μg/m3 (17) | 17.0 | |
| Sept. 24, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 16.0 μg/m3 (15) | 1.0 μg/m3 (4) | 15.0 | |
| Sept. 24, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 7.0 μg/m3 (6) | 1.0 μg/m3 (4) | 15.0 | |
| Sept. 24, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 17.0 μg/m3 (15) | 2.0 μg/m3 (8) | 15.0 | |
| Sept. 24, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 26.0 μg/m3 (24) | 1.0 μg/m3 (4) | 24.0 | |
| Sept. 24, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 40.0 μg/m3 (36) | 3.0 μg/m3 (12) | 36.0 | |
| Sept. 24, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 58.0 μg/m3 (52) | 6.0 μg/m3 (25) | 52.0 | |
| Sept. 24, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 62.0 μg/m3 (54) | 7.0 μg/m3 (29) | 54.0 | |
| Sept. 24, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 61.0 μg/m3 (53) | 10.0 μg/m3 (42) | 53.0 | |
| Sept. 24, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 51.0 μg/m3 (46) | 8.0 μg/m3 (33) | 46.0 | |
| Sept. 24, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | 56.0 μg/m3 (50) | 4.0 μg/m3 (17) | 50.0 | |
| Sept. 23, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 72.0 μg/m3 (58) | 5.0 μg/m3 (21) | 58.0 | |
| Sept. 23, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | 82.0 μg/m3 (64) | 3.0 μg/m3 (12) | 64.0 | |
| Sept. 23, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (42) | N/A | 68.0 μg/m3 (56) | 3.0 μg/m3 (12) | 56.0 | |
| Sept. 23, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (42) | N/A | 78.0 μg/m3 (62) | 6.0 μg/m3 (25) | 62.0 | |
| Sept. 23, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 90.0 μg/m3 (68) | 9.0 μg/m3 (38) | 68.0 | |
| Sept. 23, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | N/A | 68.0 μg/m3 (56) | 9.0 μg/m3 (38) | 56.0 | |
| Sept. 23, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 111.0 μg/m3 (78) | 15.0 μg/m3 (56) | 78.0 | |
| Sept. 23, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 124.0 μg/m3 (84) | 7.0 μg/m3 (29) | 84.0 | |
| Sept. 23, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (10) | N/A | 98.0 μg/m3 (72) | 15.0 μg/m3 (56) | 72.0 | |
| Sept. 23, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (3) | N/A | 162.0 μg/m3 (104) | 18.0 μg/m3 (63) | 104.0 | |
| Sept. 23, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (2) | N/A | 56.0 μg/m3 (50) | 5.0 μg/m3 (21) | 50.0 | |
| Sept. 23, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (4) | N/A | 34.0 μg/m3 (31) | 5.0 μg/m3 (21) | 31.0 | |
| Sept. 23, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (24) | 4.0 μg/m3 (17) | 24.0 | |
| Sept. 23, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 20.0 μg/m3 (18) | 4.0 μg/m3 (17) | 18.0 | |
| Sept. 23, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 24.0 μg/m3 (22) | 3.0 μg/m3 (12) | 22.0 | |
| Sept. 23, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | N/A | 12.0 μg/m3 (11) | 4.0 μg/m3 (17) | 26.0 | |
| Sept. 23, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 22.0 μg/m3 (20) | 4.0 μg/m3 (17) | 30.0 | |
| Sept. 23, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (32) | N/A | 23.0 μg/m3 (21) | 1.0 μg/m3 (4) | 32.0 | |
| Sept. 23, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 43.0 μg/m3 (39) | 1.0 μg/m3 (4) | 39.0 | |
| Sept. 23, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 42.0 μg/m3 (38) | 3.0 μg/m3 (12) | 38.0 | |
| Sept. 23, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | 61.0 μg/m3 (53) | 5.0 μg/m3 (21) | 53.0 | |
| Sept. 23, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | 80.0 μg/m3 (62) | 4.0 μg/m3 (17) | 62.0 | |
| Sept. 23, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | N/A | 70.0 μg/m3 (58) | 4.0 μg/m3 (17) | 58.0 | |
| Sept. 23, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (43) | N/A | 86.0 μg/m3 (66) | 8.0 μg/m3 (33) | 66.0 | |
| Sept. 22, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (45) | N/A | 71.0 μg/m3 (58) | 10.0 μg/m3 (42) | 58.0 | |
| Sept. 22, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (46) | N/A | 102.0 μg/m3 (74) | 12.0 μg/m3 (50) | 74.0 | |
| Sept. 22, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 66.0 ppb (51) | N/A | 95.0 μg/m3 (70) | 25.0 μg/m3 (78) | 78.0 | |
| Sept. 22, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (45) | N/A | 100.0 μg/m3 (72) | 20.0 μg/m3 (67) | 72.0 | |
| Sept. 22, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | 128.0 μg/m3 (86) | 35.0 μg/m3 (99) | 99.0 | |
| Sept. 22, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | 98.0 μg/m3 (72) | 33.0 μg/m3 (95) | 95.0 | |
| Sept. 22, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | 105.0 μg/m3 (75) | 61.0 μg/m3 (153) | 153.0 | |
| Sept. 22, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 162.0 μg/m3 (104) | 44.0 μg/m3 (121) | 121.0 | |
| Sept. 22, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | N/A | 127.0 μg/m3 (86) | 31.0 μg/m3 (90) | 90.0 | |
| Sept. 22, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | N/A | 120.0 μg/m3 (82) | 29.0 μg/m3 (86) | 86.0 | |
| Sept. 22, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (2) | N/A | 107.0 μg/m3 (76) | 29.0 μg/m3 (86) | 86.0 | |
| Sept. 22, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (7) | N/A | 97.0 μg/m3 (71) | 25.0 μg/m3 (78) | 78.0 | |
| Sept. 22, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 μg/m3 (49) | 24.0 μg/m3 (76) | 76.0 | |
| Sept. 22, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 41.0 μg/m3 (37) | 21.0 μg/m3 (69) | 69.0 | |
| Sept. 22, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (10) | N/A | 61.0 μg/m3 (53) | 22.0 μg/m3 (71) | 71.0 | |
| Sept. 22, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 63.0 μg/m3 (54) | 26.0 μg/m3 (80) | 80.0 | |
| Sept. 22, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 64.0 μg/m3 (54) | 30.0 μg/m3 (88) | 88.0 | |
| Sept. 22, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 62.0 μg/m3 (54) | 19.0 μg/m3 (65) | 65.0 | |
| Sept. 22, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 68.0 μg/m3 (56) | 22.0 μg/m3 (71) | 71.0 | |
| Sept. 22, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (32) | N/A | 76.0 μg/m3 (60) | 22.0 μg/m3 (71) | 71.0 | |
| Sept. 22, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 114.0 μg/m3 (80) | 34.0 μg/m3 (97) | 97.0 | |
| Sept. 22, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | N/A | 131.0 μg/m3 (88) | 38.0 μg/m3 (106) | 106.0 | |
| Sept. 22, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 67.0 ppb (52) | N/A | 98.0 μg/m3 (72) | 38.0 μg/m3 (106) | 106.0 | |
| Sept. 22, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 81.0 ppb (63) | N/A | 125.0 μg/m3 (85) | 51.0 μg/m3 (139) | 139.0 | |
| Sept. 21, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 79.0 ppb (62) | N/A | 97.0 μg/m3 (71) | 45.0 μg/m3 (124) | 124.0 | |
| Sept. 21, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 74.0 ppb (57) | N/A | 97.0 μg/m3 (71) | 45.0 μg/m3 (124) | 124.0 | |
| Sept. 21, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 71.0 ppb (55) | N/A | 91.0 μg/m3 (68) | 37.0 μg/m3 (104) | 104.0 | |
| Sept. 21, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 66.0 ppb (51) | N/A | 68.0 μg/m3 (56) | 31.0 μg/m3 (90) | 90.0 | |
| Sept. 21, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (48) | N/A | 92.0 μg/m3 (68) | 28.0 μg/m3 (84) | 84.0 | |
| Sept. 21, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (45) | N/A | 98.0 μg/m3 (72) | 34.0 μg/m3 (97) | 97.0 | |
| Sept. 21, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (42) | N/A | 103.0 μg/m3 (74) | N/A | 74.0 | |
| Sept. 21, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 180.0 μg/m3 (112) | 131.0 μg/m3 (190) | 190.0 | |
| Sept. 21, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | N/A | N/A | 134.0 μg/m3 (191) | 191.0 | |
| Sept. 21, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (4) | N/A | 149.0 μg/m3 (97) | 72.0 μg/m3 (159) | 159.0 | |
| Sept. 21, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (5) | N/A | 135.0 μg/m3 (90) | 47.0 μg/m3 (129) | 129.0 | |
| Sept. 21, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 52.0 μg/m3 (47) | 39.0 μg/m3 (109) | 109.0 | |
| Sept. 21, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 μg/m3 (48) | 34.0 μg/m3 (97) | 97.0 | |
| Sept. 21, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | N/A | 53.0 μg/m3 (48) | 30.0 μg/m3 (88) | 88.0 | |
| Sept. 21, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (8) | N/A | 88.0 μg/m3 (66) | 35.0 μg/m3 (99) | 99.0 | |
| Sept. 21, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (10) | N/A | 82.0 μg/m3 (64) | 40.0 μg/m3 (111) | 111.0 | |
| Sept. 21, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | 79.0 μg/m3 (62) | 42.0 μg/m3 (116) | 116.0 | |
| Sept. 21, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (4) | N/A | 129.0 μg/m3 (87) | 38.0 μg/m3 (106) | 106.0 | |
| Sept. 21, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (6) | N/A | 139.0 μg/m3 (92) | 41.0 μg/m3 (114) | 114.0 | |
| Sept. 21, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (6) | N/A | 124.0 μg/m3 (84) | 40.0 μg/m3 (111) | 111.0 | |
| Sept. 21, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 94.0 μg/m3 (70) | 41.0 μg/m3 (114) | 114.0 | |
| Sept. 21, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | N/A | 79.0 μg/m3 (62) | 43.0 μg/m3 (119) | 119.0 | |
| Sept. 21, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 ppb (47) | N/A | 61.0 μg/m3 (53) | 31.0 μg/m3 (90) | 90.0 | |
| Sept. 21, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 ppb (47) | N/A | 70.0 μg/m3 (58) | 43.0 μg/m3 (119) | 119.0 | |
| Sept. 20, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (46) | N/A | 75.0 μg/m3 (60) | 43.0 μg/m3 (119) | 119.0 | |
| Sept. 20, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 ppb (47) | N/A | 86.0 μg/m3 (66) | 41.0 μg/m3 (114) | 114.0 | |
| Sept. 20, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (46) | N/A | 80.0 μg/m3 (62) | 39.0 μg/m3 (109) | 109.0 | |
| Sept. 20, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (45) | N/A | 59.0 μg/m3 (52) | 26.0 μg/m3 (80) | 80.0 | |
| Sept. 20, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (42) | N/A | 50.0 μg/m3 (45) | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 20, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | 57.0 μg/m3 (51) | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 20, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 73.0 μg/m3 (59) | 15.0 μg/m3 (56) | 59.0 | |
| Sept. 20, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | 53.0 μg/m3 (48) | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 20, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | N/A | 54.0 μg/m3 (49) | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 20, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (6) | N/A | 29.0 μg/m3 (26) | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 20, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (5) | N/A | 43.0 μg/m3 (39) | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 20, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (4) | N/A | 49.0 μg/m3 (45) | 13.0 μg/m3 (52) | 52.0 | |
| Sept. 20, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 μg/m3 (52) | 13.0 μg/m3 (52) | 52.0 | |
| Sept. 20, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (5) | N/A | 61.0 μg/m3 (53) | 13.0 μg/m3 (52) | 53.0 | |
| Sept. 20, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (5) | N/A | 63.0 μg/m3 (54) | 13.0 μg/m3 (52) | 54.0 | |
| Sept. 20, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 68.0 μg/m3 (56) | 21.0 μg/m3 (69) | 69.0 | |
| Sept. 20, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 69.0 μg/m3 (57) | 14.0 μg/m3 (54) | 57.0 | |
| Sept. 20, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | N/A | 74.0 μg/m3 (60) | 14.0 μg/m3 (54) | 60.0 | |
| Sept. 20, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | N/A | 68.0 μg/m3 (56) | 11.0 μg/m3 (46) | 56.0 | |
| Sept. 20, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 64.0 μg/m3 (54) | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 20, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 88.0 μg/m3 (66) | 19.0 μg/m3 (65) | 66.0 | |
| Sept. 20, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | N/A | 76.0 μg/m3 (60) | 13.0 μg/m3 (52) | 60.0 | |
| Sept. 20, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | 57.0 μg/m3 (51) | 13.0 μg/m3 (52) | 52.0 | |
| Sept. 20, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (42) | N/A | 66.0 μg/m3 (56) | 11.0 μg/m3 (46) | 56.0 | |
| Sept. 19, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | N/A | 74.0 μg/m3 (60) | 11.0 μg/m3 (46) | 60.0 | |
| Sept. 19, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | N/A | 57.0 μg/m3 (51) | 9.0 μg/m3 (38) | 51.0 | |
| Sept. 19, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | N/A | 63.0 μg/m3 (54) | 13.0 μg/m3 (52) | 54.0 | |
| Sept. 19, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | N/A | 115.0 μg/m3 (80) | 10.0 μg/m3 (42) | 80.0 | |
| Sept. 19, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 67.0 μg/m3 (56) | 7.0 μg/m3 (29) | 56.0 | |
| Sept. 19, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | N/A | 58.0 μg/m3 (52) | 10.0 μg/m3 (42) | 52.0 | |
| Sept. 19, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | N/A | 53.0 μg/m3 (48) | 10.0 μg/m3 (42) | 48.0 | |
| Sept. 19, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 56.0 μg/m3 (50) | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 19, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | 40.0 μg/m3 (36) | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 19, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | N/A | 28.0 μg/m3 (25) | 5.0 μg/m3 (21) | 25.0 | |
| Sept. 19, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | 17.0 μg/m3 (15) | 7.0 μg/m3 (29) | 29.0 | |
| Sept. 19, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 16.0 μg/m3 (15) | 7.0 μg/m3 (29) | 29.0 | |
| Sept. 19, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (15) | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 19, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 22.0 μg/m3 (20) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 19, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 25.0 μg/m3 (23) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 19, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | N/A | 24.0 μg/m3 (22) | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 19, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 33.0 μg/m3 (30) | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 19, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | 41.0 μg/m3 (37) | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 19, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 52.0 μg/m3 (47) | 9.0 μg/m3 (38) | 47.0 | |
| Sept. 19, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 41.0 μg/m3 (37) | 6.0 μg/m3 (25) | 37.0 | |
| Sept. 19, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | N/A | 59.0 μg/m3 (52) | 7.0 μg/m3 (29) | 52.0 | |
| Sept. 19, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 56.0 μg/m3 (50) | 9.0 μg/m3 (38) | 50.0 | |
| Sept. 19, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (30) | N/A | 66.0 μg/m3 (56) | 11.0 μg/m3 (46) | 56.0 | |
| Sept. 19, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | N/A | 51.0 μg/m3 (46) | 8.0 μg/m3 (33) | 46.0 | |
| Sept. 18, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (28) | N/A | 52.0 μg/m3 (47) | 8.0 μg/m3 (33) | 47.0 | |
| Sept. 18, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (28) | N/A | 71.0 μg/m3 (58) | 6.0 μg/m3 (25) | 58.0 | |
| Sept. 18, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (28) | N/A | 83.0 μg/m3 (64) | 8.0 μg/m3 (33) | 64.0 | |
| Sept. 18, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 18, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 18, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 66.0 μg/m3 (56) | N/A | 56.0 | |
| Sept. 18, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 59.0 μg/m3 (52) | N/A | 52.0 | |
| Sept. 18, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | N/A | 50.0 μg/m3 (45) | 9.0 μg/m3 (38) | 45.0 | |
| Sept. 18, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | N/A | 59.0 μg/m3 (52) | 11.0 μg/m3 (46) | 52.0 | |
| Sept. 18, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | N/A | 55.0 μg/m3 (50) | 11.0 μg/m3 (46) | 50.0 | |
| Sept. 18, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 38.0 μg/m3 (35) | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 18, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (19) | N/A | 36.0 μg/m3 (33) | 8.0 μg/m3 (33) | 33.0 | |
| Sept. 18, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 μg/m3 (45) | 10.0 μg/m3 (42) | 45.0 | |
| Sept. 18, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | 52.0 μg/m3 (47) | 5.0 μg/m3 (21) | 47.0 | |
| Sept. 18, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | N/A | 34.0 μg/m3 (31) | 7.0 μg/m3 (29) | 31.0 |