Mexicali MX, MX: 32.6336, -115.5042
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov. 7, 2019, 6 p.m. | N/A | 10.8 ppb (10) | N/A | 9.0 ppb (8) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 21.0 μg/m3 (69) | 69.0 | |
| Nov. 7, 2019, 5 p.m. | N/A | 49.2 ppb (46) | N/A | 41.0 ppb (38) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 90.0 μg/m3 (168) | 168.0 | |
| Nov. 7, 2019, 4 p.m. | N/A | 116.1 ppb (103) | N/A | 37.0 ppb (34) | N/A | N/A | 38.0 ppb (29) | N/A | N/A | 70.0 μg/m3 (158) | 158.0 | |
| Nov. 7, 2019, 3 p.m. | N/A | 129.4 ppb (105) | N/A | 25.0 ppb (23) | N/A | N/A | 15.0 ppb (12) | N/A | N/A | 87.0 μg/m3 (167) | 167.0 | |
| Nov. 7, 2019, 2 p.m. | N/A | 68.3 ppb (65) | N/A | 23.0 ppb (21) | N/A | N/A | 44.0 ppb (34) | N/A | N/A | 94.0 μg/m3 (170) | 170.0 | |
| Nov. 7, 2019, 1 p.m. | N/A | 83.6 ppb (81) | N/A | 24.0 ppb (22) | N/A | N/A | 20.0 ppb (15) | N/A | N/A | 89.0 μg/m3 (168) | 168.0 | |
| Nov. 7, 2019, noon | N/A | 110.1 ppb (102) | N/A | 25.0 ppb (23) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 110.0 μg/m3 (179) | 179.0 | |
| Nov. 7, 2019, 11 a.m. | N/A | 153.1 ppb (110) | N/A | 30.0 ppb (28) | N/A | N/A | 84.0 ppb (66) | N/A | N/A | 127.0 μg/m3 (188) | 188.0 | |
| Nov. 5, 2019, 5 p.m. | N/A | 24.8 ppb (23) | N/A | 30.0 ppb (28) | N/A | N/A | 19.0 ppb (15) | N/A | N/A | 27.0 μg/m3 (82) | 82.0 | |
| Nov. 5, 2019, 4 p.m. | N/A | 113.0 ppb (102) | N/A | 43.0 ppb (40) | N/A | N/A | 15.0 ppb (12) | N/A | N/A | 70.0 μg/m3 (158) | 158.0 | |
| Nov. 5, 2019, 3 p.m. | N/A | 164.6 ppb (112) | N/A | 28.0 ppb (26) | N/A | N/A | 5.0 ppb (4) | N/A | N/A | 122.0 μg/m3 (185) | 185.0 | |
| Nov. 5, 2019, 2 p.m. | N/A | 95.0 ppb (94) | N/A | 22.0 ppb (20) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 74.0 μg/m3 (160) | 160.0 | |
| Nov. 5, 2019, 1 p.m. | N/A | 38.2 ppb (35) | N/A | 26.0 ppb (24) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 63.0 μg/m3 (154) | 154.0 | |
| Nov. 5, 2019, noon | N/A | 24.7 ppb (23) | N/A | 29.0 ppb (27) | N/A | N/A | 55.0 ppb (42) | N/A | N/A | 67.0 μg/m3 (156) | 156.0 | |
| Nov. 5, 2019, 11 a.m. | N/A | 19.3 ppb (18) | N/A | 31.0 ppb (29) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | 75.0 μg/m3 (160) | 160.0 | |
| Nov. 5, 2019, 10 a.m. | N/A | 43.7 ppb (40) | N/A | 32.0 ppb (30) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 78.0 μg/m3 (162) | 162.0 | |
| Nov. 5, 2019, 9 a.m. | N/A | 38.1 ppb (35) | N/A | 34.0 ppb (31) | N/A | N/A | -1.0 ppb (0) | N/A | N/A | 76.0 μg/m3 (161) | 161.0 | |
| Nov. 5, 2019, 8 a.m. | N/A | 48.7 ppb (45) | N/A | 34.0 ppb (31) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 77.0 μg/m3 (161) | 161.0 | |
| Nov. 5, 2019, 7 a.m. | N/A | 52.6 ppb (49) | N/A | 36.0 ppb (33) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 94.0 μg/m3 (170) | 170.0 | |
| Nov. 5, 2019, 6 a.m. | N/A | 185.9 ppb (116) | N/A | 37.0 ppb (34) | N/A | N/A | 22.0 ppb (17) | N/A | N/A | 143.0 μg/m3 (196) | 196.0 | |
| Nov. 5, 2019, 5 a.m. | N/A | 265.3 ppb (132) | N/A | 43.0 ppb (40) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 122.0 μg/m3 (185) | 185.0 | |
| Nov. 5, 2019, 4 a.m. | N/A | 262.2 ppb (131) | N/A | 47.0 ppb (44) | N/A | N/A | N/A | N/A | N/A | 55.0 μg/m3 (149) | 149.0 | |
| Nov. 5, 2019, 3 a.m. | N/A | 57.7 ppb (54) | N/A | 52.0 ppb (48) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 35.0 μg/m3 (99) | 99.0 | |
| Nov. 5, 2019, 2 a.m. | N/A | 63.4 ppb (60) | N/A | 55.0 ppb (51) | N/A | N/A | N/A | N/A | N/A | 34.0 μg/m3 (97) | 97.0 | |
| Nov. 5, 2019, 1 a.m. | N/A | 9.8 ppb (9) | N/A | 33.0 ppb (31) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| Nov. 5, 2019, midnight | N/A | 3.1 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 7.0 μg/m3 (29) | 33.0 | |
| Nov. 4, 2019, 11 p.m. | N/A | 3.5 ppb (3) | N/A | 9.0 ppb (8) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| Nov. 4, 2019, 10 p.m. | N/A | 2.7 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | 27.0 ppb (21) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Nov. 4, 2019, 9 p.m. | N/A | 2.3 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | 63.0 ppb (48) | N/A | N/A | 7.0 μg/m3 (29) | 48.0 | |
| Nov. 4, 2019, 8 p.m. | N/A | 2.1 ppb (2) | N/A | 10.0 ppb (9) | N/A | N/A | 47.0 ppb (36) | N/A | N/A | 8.0 μg/m3 (33) | 36.0 | |
| Nov. 4, 2019, 7 p.m. | N/A | 2.4 ppb (2) | N/A | 12.0 ppb (11) | N/A | N/A | 20.0 ppb (15) | N/A | N/A | 27.0 μg/m3 (82) | 82.0 | |
| Nov. 4, 2019, 6 p.m. | N/A | 8.2 ppb (8) | N/A | 22.0 ppb (20) | N/A | N/A | 24.0 ppb (18) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| Nov. 4, 2019, 5 p.m. | N/A | 67.6 ppb (64) | N/A | 55.0 ppb (51) | N/A | N/A | 69.0 ppb (53) | N/A | N/A | 49.0 μg/m3 (134) | 134.0 | |
| Nov. 4, 2019, 4 p.m. | N/A | 188.8 ppb (117) | N/A | 47.0 ppb (44) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 82.0 μg/m3 (164) | 164.0 | |
| Nov. 4, 2019, 3 p.m. | N/A | 145.6 ppb (109) | N/A | 28.0 ppb (26) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 76.0 μg/m3 (161) | 161.0 | |
| Nov. 4, 2019, 2 p.m. | N/A | 86.0 ppb (84) | N/A | 25.0 ppb (23) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 65.0 μg/m3 (155) | 155.0 | |
| Nov. 4, 2019, 1 p.m. | N/A | 48.2 ppb (45) | N/A | 25.0 ppb (23) | N/A | N/A | 53.0 ppb (41) | N/A | N/A | 52.0 μg/m3 (141) | 141.0 | |
| Nov. 4, 2019, noon | N/A | 39.0 ppb (36) | N/A | 24.0 ppb (22) | N/A | N/A | 11.0 ppb (8) | N/A | N/A | 53.0 μg/m3 (144) | 144.0 | |
| Nov. 4, 2019, 11 a.m. | N/A | 35.3 ppb (33) | N/A | 26.0 ppb (24) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 69.0 μg/m3 (157) | 157.0 | |
| Nov. 4, 2019, 10 a.m. | N/A | 21.9 ppb (20) | N/A | 28.0 ppb (26) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 75.0 μg/m3 (160) | 160.0 | |
| Nov. 4, 2019, 9 a.m. | N/A | 7.0 ppb (6) | N/A | 31.0 ppb (29) | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 30.0 μg/m3 (88) | 88.0 | |
| Nov. 4, 2019, 8 a.m. | N/A | 78.5 ppb (76) | N/A | 36.0 ppb (33) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | 52.0 μg/m3 (141) | 141.0 | |
| Nov. 4, 2019, 7 a.m. | N/A | 162.2 ppb (112) | N/A | 36.0 ppb (33) | N/A | N/A | 27.0 ppb (21) | N/A | N/A | 108.0 μg/m3 (178) | 178.0 | |
| Nov. 4, 2019, 6 a.m. | N/A | 368.0 ppb (151) | N/A | 43.0 ppb (40) | N/A | N/A | 20.0 ppb (15) | N/A | N/A | 131.0 μg/m3 (190) | 190.0 | |
| Nov. 4, 2019, 5 a.m. | N/A | 340.7 ppb (146) | N/A | 46.0 ppb (43) | N/A | N/A | 20.0 ppb (15) | N/A | N/A | 82.0 μg/m3 (164) | 164.0 | |
| Nov. 4, 2019, 4 a.m. | N/A | 281.6 ppb (135) | N/A | 49.0 ppb (45) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 117.0 μg/m3 (182) | 182.0 | |
| Nov. 4, 2019, 3 a.m. | N/A | 210.0 ppb (121) | N/A | 48.0 ppb (44) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | 41.0 μg/m3 (114) | 121.0 | |
| Nov. 4, 2019, 2 a.m. | N/A | 136.5 ppb (107) | N/A | 51.0 ppb (47) | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 31.0 μg/m3 (90) | 107.0 | |
| Nov. 4, 2019, 1 a.m. | N/A | 30.7 ppb (28) | N/A | 36.0 ppb (33) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| Nov. 4, 2019, midnight | N/A | 7.0 ppb (6) | N/A | 14.0 ppb (13) | N/A | N/A | 48.0 ppb (37) | N/A | N/A | 7.0 μg/m3 (29) | 37.0 | |
| Nov. 3, 2019, 11 p.m. | N/A | 3.9 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | 53.0 ppb (41) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Nov. 3, 2019, 10 p.m. | N/A | 2.7 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| Nov. 3, 2019, 9 p.m. | N/A | 2.2 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Nov. 3, 2019, 8 p.m. | N/A | 2.7 ppb (3) | N/A | 12.0 ppb (11) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Nov. 3, 2019, 7 p.m. | N/A | 6.3 ppb (6) | N/A | 24.0 ppb (22) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 26.0 μg/m3 (80) | 80.0 | |
| Nov. 3, 2019, 6 p.m. | N/A | 21.8 ppb (20) | N/A | 46.0 ppb (43) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 48.0 μg/m3 (131) | 131.0 | |
| Nov. 3, 2019, 5 p.m. | N/A | 22.3 ppb (21) | N/A | 39.0 ppb (36) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 35.0 μg/m3 (99) | 99.0 | |
| Nov. 3, 2019, 4 p.m. | N/A | 44.9 ppb (42) | N/A | 31.0 ppb (29) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | 42.0 μg/m3 (116) | 116.0 | |
| Nov. 3, 2019, 3 p.m. | N/A | 76.1 ppb (74) | N/A | 23.0 ppb (21) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 50.0 μg/m3 (136) | 136.0 | |
| Nov. 3, 2019, 2 p.m. | N/A | 58.8 ppb (55) | N/A | 23.0 ppb (21) | N/A | N/A | 19.0 ppb (15) | N/A | N/A | 47.0 μg/m3 (129) | 129.0 | |
| Nov. 3, 2019, 1 p.m. | N/A | 38.7 ppb (36) | N/A | 24.0 ppb (22) | N/A | N/A | 52.0 ppb (40) | N/A | N/A | 63.0 μg/m3 (154) | 154.0 | |
| Nov. 3, 2019, noon | N/A | 8.1 ppb (8) | N/A | 26.0 ppb (24) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 70.0 μg/m3 (158) | 158.0 | |
| Nov. 3, 2019, 11 a.m. | N/A | 1.5 ppb (1) | N/A | 24.0 ppb (22) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 32.0 μg/m3 (93) | 93.0 | |
| Nov. 3, 2019, 10 a.m. | N/A | 0.5 ppb (0) | N/A | 20.0 ppb (19) | N/A | N/A | 11.0 ppb (8) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| Nov. 3, 2019, 9 a.m. | N/A | 38.0 ppb (35) | N/A | 28.0 ppb (26) | N/A | N/A | 88.0 ppb (69) | N/A | N/A | 41.0 μg/m3 (114) | 114.0 | |
| Nov. 3, 2019, 8 a.m. | N/A | 269.4 ppb (132) | N/A | 33.0 ppb (31) | N/A | N/A | 3.0 ppb (2) | N/A | N/A | 139.0 μg/m3 (194) | 194.0 | |
| Nov. 3, 2019, 7 a.m. | N/A | 177.4 ppb (115) | N/A | 38.0 ppb (35) | N/A | N/A | 19.0 ppb (15) | N/A | N/A | 170.0 μg/m3 (220) | 220.0 | |
| Nov. 3, 2019, 6 a.m. | N/A | 290.1 ppb (136) | N/A | 37.0 ppb (34) | N/A | N/A | 27.0 ppb (21) | N/A | N/A | 157.0 μg/m3 (206) | 206.0 | |
| Nov. 3, 2019, 5 a.m. | N/A | 269.5 ppb (132) | N/A | 37.0 ppb (34) | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 130.0 μg/m3 (189) | 189.0 | |
| Nov. 3, 2019, 4 a.m. | N/A | 136.2 ppb (107) | N/A | 42.0 ppb (39) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 117.0 μg/m3 (182) | 182.0 | |
| Nov. 3, 2019, 3 a.m. | N/A | 117.8 ppb (103) | N/A | 47.0 ppb (44) | N/A | N/A | 47.0 ppb (36) | N/A | N/A | 96.0 μg/m3 (171) | 171.0 | |
| Nov. 3, 2019, 2 a.m. | N/A | 20.0 ppb (19) | N/A | 47.0 ppb (44) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 58.0 μg/m3 (151) | 151.0 | |
| Nov. 3, 2019, 1 a.m. | N/A | 4.7 ppb (4) | N/A | 22.0 ppb (20) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 22.0 μg/m3 (71) | 71.0 | |
| Nov. 3, 2019, midnight | N/A | 4.9 ppb (5) | N/A | 5.0 ppb (5) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| Nov. 2, 2019, 11 p.m. | N/A | 4.5 ppb (4) | N/A | 3.0 ppb (3) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| Nov. 2, 2019, 10 p.m. | N/A | 4.2 ppb (4) | N/A | 4.0 ppb (4) | N/A | N/A | 24.0 ppb (18) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| Nov. 2, 2019, 9 p.m. | N/A | 4.2 ppb (4) | N/A | 4.0 ppb (4) | N/A | N/A | 20.0 ppb (15) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Nov. 2, 2019, 8 p.m. | N/A | 3.6 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 6.0 μg/m3 (25) | 28.0 | |
| Nov. 2, 2019, 7 p.m. | N/A | 3.5 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 8.0 μg/m3 (33) | 39.0 | |
| Nov. 2, 2019, 6 p.m. | N/A | 3.1 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 19.0 ppb (15) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Nov. 2, 2019, 5 p.m. | N/A | 8.2 ppb (8) | N/A | 17.0 ppb (16) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 24.0 μg/m3 (76) | 76.0 | |
| Nov. 2, 2019, 4 p.m. | N/A | 27.8 ppb (26) | N/A | 30.0 ppb (28) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 34.0 μg/m3 (97) | 97.0 | |
| Nov. 2, 2019, 3 p.m. | N/A | 91.8 ppb (90) | N/A | 28.0 ppb (26) | N/A | N/A | 40.0 ppb (31) | N/A | N/A | 52.0 μg/m3 (141) | 141.0 | |
| Nov. 2, 2019, 2 p.m. | N/A | 54.2 ppb (50) | N/A | 26.0 ppb (24) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | 43.0 μg/m3 (119) | 119.0 | |
| Nov. 2, 2019, 1 p.m. | N/A | 37.6 ppb (35) | N/A | 26.0 ppb (24) | N/A | N/A | 66.0 ppb (51) | N/A | N/A | 49.0 μg/m3 (134) | 134.0 | |
| Nov. 2, 2019, noon | N/A | 36.2 ppb (34) | N/A | 26.0 ppb (24) | N/A | N/A | 49.0 ppb (38) | N/A | N/A | 52.0 μg/m3 (141) | 141.0 | |
| Nov. 2, 2019, 11 a.m. | N/A | 12.6 ppb (12) | N/A | 24.0 ppb (22) | N/A | N/A | 13.0 ppb (10) | N/A | N/A | 51.0 μg/m3 (139) | 139.0 | |
| Nov. 2, 2019, 10 a.m. | N/A | 8.6 ppb (8) | N/A | 27.0 ppb (25) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 43.0 μg/m3 (119) | 119.0 | |
| Nov. 2, 2019, 9 a.m. | N/A | 14.1 ppb (13) | N/A | 25.0 ppb (23) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | 21.0 μg/m3 (69) | 69.0 | |
| Nov. 2, 2019, 8 a.m. | N/A | 92.3 ppb (91) | N/A | 31.0 ppb (29) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 42.0 μg/m3 (116) | 116.0 | |
| Nov. 2, 2019, 7 a.m. | N/A | 62.0 ppb (59) | N/A | 36.0 ppb (33) | N/A | N/A | 48.0 ppb (37) | N/A | N/A | 42.0 μg/m3 (116) | 116.0 | |
| Nov. 2, 2019, 6 a.m. | N/A | 260.5 ppb (131) | N/A | 39.0 ppb (36) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 100.0 μg/m3 (173) | 173.0 | |
| Nov. 2, 2019, 5 a.m. | N/A | 218.4 ppb (123) | N/A | 39.0 ppb (36) | N/A | N/A | 40.0 ppb (31) | N/A | N/A | 113.0 μg/m3 (180) | 180.0 | |
| Nov. 2, 2019, 4 a.m. | N/A | 161.7 ppb (112) | N/A | 41.0 ppb (38) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | 114.0 μg/m3 (181) | 181.0 | |
| Nov. 2, 2019, 3 a.m. | N/A | 113.0 ppb (102) | N/A | 45.0 ppb (42) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | 85.0 μg/m3 (166) | 166.0 | |
| Nov. 2, 2019, 2 a.m. | N/A | 28.7 ppb (27) | N/A | 41.0 ppb (38) | N/A | N/A | 20.0 ppb (15) | N/A | N/A | 20.0 μg/m3 (67) | 67.0 | |
| Nov. 2, 2019, 1 a.m. | N/A | 5.3 ppb (5) | N/A | 17.0 ppb (16) | N/A | N/A | 17.0 ppb (13) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| Nov. 2, 2019, midnight | N/A | 5.2 ppb (5) | N/A | 4.0 ppb (4) | N/A | N/A | 22.0 ppb (17) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Nov. 1, 2019, 11 p.m. | N/A | 5.7 ppb (5) | N/A | 4.0 ppb (4) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 3.0 μg/m3 (12) | 28.0 | |
| Nov. 1, 2019, 10 p.m. | N/A | 5.3 ppb (5) | N/A | 3.0 ppb (3) | N/A | N/A | 46.0 ppb (35) | N/A | N/A | 4.0 μg/m3 (17) | 35.0 | |
| Nov. 1, 2019, 9 p.m. | N/A | 5.2 ppb (5) | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 7.0 μg/m3 (29) | 30.0 | |
| Nov. 1, 2019, 8 p.m. | N/A | 4.6 ppb (4) | N/A | 3.0 ppb (3) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Nov. 1, 2019, 7 p.m. | N/A | 4.7 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 45.0 μg/m3 (124) | 124.0 | |
| Nov. 1, 2019, 6 p.m. | N/A | 4.5 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | -2.0 ppb (0) | N/A | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Nov. 1, 2019, 5 p.m. | N/A | 4.6 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Nov. 1, 2019, 4 p.m. | N/A | 41.4 ppb (38) | N/A | 30.0 ppb (28) | N/A | N/A | 3.0 ppb (2) | N/A | N/A | 30.0 μg/m3 (88) | 88.0 | |
| Nov. 1, 2019, 3 p.m. | N/A | 174.1 ppb (114) | N/A | 31.0 ppb (29) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 52.0 μg/m3 (141) | 141.0 | |
| Nov. 1, 2019, 2 p.m. | N/A | 171.3 ppb (114) | N/A | 27.0 ppb (25) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | 55.0 μg/m3 (149) | 149.0 | |
| Nov. 1, 2019, 1 p.m. | N/A | 33.6 ppb (31) | N/A | 19.0 ppb (18) | N/A | N/A | 20.0 ppb (15) | N/A | N/A | 39.0 μg/m3 (109) | 109.0 | |
| Nov. 1, 2019, noon | N/A | 6.6 ppb (6) | N/A | 12.0 ppb (11) | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 33.0 μg/m3 (95) | 95.0 | |
| Nov. 1, 2019, 11 a.m. | N/A | 3.4 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Nov. 1, 2019, 10 a.m. | N/A | 3.0 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | 42.0 ppb (32) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| Nov. 1, 2019, 9 a.m. | N/A | 5.3 ppb (5) | N/A | 16.0 ppb (15) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 13.0 μg/m3 (52) | 52.0 | |
| Nov. 1, 2019, 8 a.m. | N/A | 89.2 ppb (87) | N/A | 30.0 ppb (28) | N/A | N/A | 9.0 ppb (7) | N/A | N/A | 74.0 μg/m3 (160) | 160.0 | |
| Nov. 1, 2019, 7 a.m. | N/A | 133.7 ppb (106) | N/A | 34.0 ppb (31) | N/A | N/A | 17.0 ppb (13) | N/A | N/A | 89.0 μg/m3 (168) | 168.0 | |
| Nov. 1, 2019, 6 a.m. | N/A | 127.8 ppb (105) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | N/A | N/A | 86.0 μg/m3 (166) | 166.0 | |
| Nov. 1, 2019, 5 a.m. | N/A | 112.4 ppb (102) | N/A | 38.0 ppb (35) | N/A | N/A | 27.0 ppb (21) | N/A | N/A | 101.0 μg/m3 (174) | 174.0 | |
| Nov. 1, 2019, 4 a.m. | N/A | 74.1 ppb (71) | N/A | 39.0 ppb (36) | N/A | N/A | 64.0 ppb (49) | N/A | N/A | 64.0 μg/m3 (154) | 154.0 | |
| Nov. 1, 2019, 3 a.m. | N/A | 63.6 ppb (60) | N/A | 37.0 ppb (34) | N/A | N/A | 59.0 ppb (45) | N/A | N/A | 64.0 μg/m3 (154) | 154.0 | |
| Nov. 1, 2019, 2 a.m. | N/A | 21.8 ppb (20) | N/A | 37.0 ppb (34) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 26.0 μg/m3 (80) | 80.0 | |
| Nov. 1, 2019, 1 a.m. | N/A | 5.3 ppb (5) | N/A | 12.0 ppb (11) | N/A | N/A | 43.0 ppb (33) | N/A | N/A | 7.0 μg/m3 (29) | 33.0 | |
| Nov. 1, 2019, midnight | N/A | 5.6 ppb (5) | N/A | 4.0 ppb (4) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 2.0 μg/m3 (8) | 25.0 | |
| Oct. 31, 2019, 11 p.m. | N/A | 5.6 ppb (5) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (12) | 12.0 | |
| Oct. 31, 2019, 10 p.m. | N/A | 6.4 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 3.0 μg/m3 (12) | 23.0 | |
| Oct. 31, 2019, 9 p.m. | N/A | 5.6 ppb (5) | N/A | 3.0 ppb (3) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 3.0 μg/m3 (12) | 28.0 | |
| Oct. 31, 2019, 8 p.m. | N/A | 5.3 ppb (5) | N/A | 3.0 ppb (3) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| Oct. 31, 2019, 7 p.m. | N/A | 5.0 ppb (5) | N/A | 3.0 ppb (3) | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 7.0 μg/m3 (29) | 39.0 | |
| Oct. 31, 2019, 6 p.m. | N/A | 4.7 ppb (4) | N/A | 3.0 ppb (3) | N/A | N/A | 9.0 ppb (7) | N/A | N/A | 5.0 μg/m3 (21) | 21.0 | |
| Oct. 31, 2019, 5 p.m. | N/A | 4.7 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| Oct. 31, 2019, 4 p.m. | N/A | 34.9 ppb (32) | N/A | 23.0 ppb (21) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | 18.0 μg/m3 (63) | 63.0 | |
| Oct. 31, 2019, 3 p.m. | N/A | 48.7 ppb (45) | N/A | 31.0 ppb (29) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 23.0 μg/m3 (73) | 73.0 | |
| Oct. 31, 2019, 2 p.m. | N/A | 40.0 ppb (37) | N/A | 27.0 ppb (25) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 20.0 μg/m3 (67) | 67.0 | |
| Oct. 31, 2019, 1 p.m. | N/A | 30.8 ppb (29) | N/A | 19.0 ppb (18) | N/A | N/A | 35.0 ppb (27) | N/A | N/A | 18.0 μg/m3 (63) | 63.0 | |
| Oct. 31, 2019, noon | N/A | 3.9 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | 70.0 ppb (54) | N/A | N/A | 10.0 μg/m3 (42) | 54.0 | |
| Oct. 31, 2019, 11 a.m. | N/A | 3.5 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Oct. 31, 2019, 10 a.m. | N/A | 3.4 ppb (3) | N/A | 12.0 ppb (11) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Oct. 31, 2019, 9 a.m. | N/A | 22.1 ppb (20) | N/A | 24.0 ppb (22) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 60.0 μg/m3 (152) | 152.0 | |
| Oct. 31, 2019, 8 a.m. | N/A | 26.4 ppb (24) | N/A | 26.0 ppb (24) | N/A | N/A | 10.0 ppb (8) | N/A | N/A | 74.0 μg/m3 (160) | 160.0 | |
| Oct. 31, 2019, 7 a.m. | N/A | 64.2 ppb (61) | N/A | 28.0 ppb (26) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | 77.0 μg/m3 (161) | 161.0 | |
| Oct. 31, 2019, 6 a.m. | N/A | 82.1 ppb (80) | N/A | 30.0 ppb (28) | N/A | N/A | -2.0 ppb (0) | N/A | N/A | 75.0 μg/m3 (160) | 160.0 | |
| Oct. 31, 2019, 5 a.m. | N/A | 66.7 ppb (64) | N/A | 31.0 ppb (29) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 55.0 μg/m3 (149) | 149.0 | |
| Oct. 31, 2019, 4 a.m. | N/A | 81.3 ppb (79) | N/A | 32.0 ppb (30) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 62.0 μg/m3 (153) | 153.0 | |
| Oct. 31, 2019, 3 a.m. | N/A | 38.2 ppb (35) | N/A | 35.0 ppb (32) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | 23.0 μg/m3 (73) | 73.0 | |
| Oct. 31, 2019, 2 a.m. | N/A | 16.4 ppb (15) | N/A | 36.0 ppb (33) | N/A | N/A | 11.0 ppb (8) | N/A | N/A | 21.0 μg/m3 (69) | 69.0 | |
| Oct. 31, 2019, 1 a.m. | N/A | 10.9 ppb (10) | N/A | 20.0 ppb (19) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Oct. 31, 2019, midnight | N/A | 8.3 ppb (8) | N/A | 9.0 ppb (8) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Oct. 30, 2019, 11 p.m. | N/A | 6.2 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| Oct. 30, 2019, 10 p.m. | N/A | 6.6 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 22.0 ppb (17) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Oct. 30, 2019, 9 p.m. | N/A | 6.8 ppb (6) | N/A | 5.0 ppb (5) | N/A | N/A | 49.0 ppb (38) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Oct. 30, 2019, 8 p.m. | N/A | 8.0 ppb (7) | N/A | 5.0 ppb (5) | N/A | N/A | 4.0 ppb (3) | N/A | N/A | 19.0 μg/m3 (65) | 65.0 | |
| Oct. 30, 2019, 7 p.m. | N/A | 6.3 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (69) | 69.0 | |
| Oct. 30, 2019, 6 p.m. | N/A | 6.0 ppb (6) | N/A | 3.0 ppb (3) | N/A | N/A | 41.0 ppb (32) | N/A | N/A | 26.0 μg/m3 (80) | 80.0 | |
| Oct. 30, 2019, 5 p.m. | N/A | 6.2 ppb (6) | N/A | 4.0 ppb (4) | N/A | N/A | 39.0 ppb (30) | N/A | N/A | 38.0 μg/m3 (106) | 106.0 | |
| Oct. 30, 2019, 4 p.m. | N/A | 6.7 ppb (6) | N/A | 9.0 ppb (8) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | 35.0 μg/m3 (99) | 99.0 | |
| Oct. 30, 2019, 3 p.m. | N/A | 6.7 ppb (6) | N/A | 15.0 ppb (14) | N/A | N/A | 5.0 ppb (4) | N/A | N/A | 26.0 μg/m3 (80) | 80.0 | |
| Oct. 30, 2019, 2 p.m. | N/A | 5.6 ppb (5) | N/A | 6.0 ppb (6) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 33.0 μg/m3 (95) | 95.0 | |
| Oct. 30, 2019, 1 p.m. | N/A | 5.0 ppb (5) | N/A | 4.0 ppb (4) | N/A | N/A | 22.0 ppb (17) | N/A | N/A | 39.0 μg/m3 (109) | 109.0 | |
| Oct. 30, 2019, noon | N/A | 4.9 ppb (5) | N/A | 4.0 ppb (4) | N/A | N/A | 12.0 ppb (9) | N/A | N/A | 46.0 μg/m3 (126) | 126.0 | |
| Oct. 30, 2019, 11 a.m. | N/A | 4.6 ppb (4) | N/A | 3.0 ppb (3) | N/A | N/A | 17.0 ppb (13) | N/A | N/A | 34.0 μg/m3 (97) | 97.0 | |
| Oct. 30, 2019, 10 a.m. | N/A | 4.1 ppb (4) | N/A | 4.0 ppb (4) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | 22.0 μg/m3 (71) | 71.0 | |
| Oct. 30, 2019, 9 a.m. | N/A | 3.7 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 18.0 μg/m3 (63) | 63.0 | |
| Oct. 30, 2019, 8 a.m. | N/A | 5.2 ppb (5) | N/A | 15.0 ppb (14) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 24.0 μg/m3 (76) | 76.0 | |
| Oct. 30, 2019, 7 a.m. | N/A | 3.5 ppb (3) | N/A | 17.0 ppb (16) | N/A | N/A | 67.0 ppb (52) | N/A | N/A | 27.0 μg/m3 (82) | 82.0 | |
| Oct. 30, 2019, 6 a.m. | N/A | 3.1 ppb (3) | N/A | 13.0 ppb (12) | N/A | N/A | 53.0 ppb (41) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| Oct. 30, 2019, 5 a.m. | N/A | 2.8 ppb (3) | N/A | 15.0 ppb (14) | N/A | N/A | 45.0 ppb (35) | N/A | N/A | 16.0 μg/m3 (59) | 59.0 | |
| Oct. 30, 2019, 4 a.m. | N/A | 4.6 ppb (4) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (73) | 73.0 | |
| Oct. 30, 2019, 3 a.m. | N/A | 18.5 ppb (17) | N/A | 38.0 ppb (35) | N/A | N/A | 58.0 ppb (45) | N/A | N/A | 28.0 μg/m3 (84) | 84.0 | |
| Oct. 30, 2019, 2 a.m. | N/A | 34.3 ppb (32) | N/A | 39.0 ppb (36) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 25.0 μg/m3 (78) | 78.0 |