Libby (Minnesota Ave) MT, US: 48.3841, -115.548
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 22, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (12) | 16.7 μg/m3 (60) | 60.0 | |
| Jan. 22, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 19.7 μg/m3 (66) | 66.0 | |
| Jan. 22, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (19) | 21.0 μg/m3 (69) | 69.0 | |
| Jan. 22, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 16.0 μg/m3 (59) | 59.0 | |
| Jan. 22, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (7) | 14.9 μg/m3 (56) | 56.0 | |
| Jan. 22, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 19.5 μg/m3 (66) | 66.0 | |
| Jan. 22, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (20) | 18.2 μg/m3 (63) | 63.0 | |
| Jan. 22, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 24.3 μg/m3 (76) | 76.0 | |
| Jan. 22, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (17) | 19.2 μg/m3 (65) | 65.0 | |
| Jan. 22, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (17) | 23.4 μg/m3 (74) | 74.0 | |
| Jan. 22, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (19) | 20.2 μg/m3 (67) | 67.0 | |
| Jan. 22, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 20.4 μg/m3 (68) | 68.0 | |
| Jan. 22, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 22.1 μg/m3 (71) | 71.0 | |
| Jan. 22, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (27) | 31.0 μg/m3 (90) | 90.0 | |
| Jan. 22, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (26) | 29.5 μg/m3 (87) | 87.0 | |
| Jan. 22, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (25) | 27.0 μg/m3 (82) | 82.0 | |
| Jan. 22, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (20) | 19.0 μg/m3 (65) | 65.0 | |
| Jan. 22, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (23) | 25.7 μg/m3 (79) | 79.0 | |
| Jan. 22, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (23) | 21.0 μg/m3 (69) | 69.0 | |
| Jan. 22, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (16) | 8.9 μg/m3 (37) | 37.0 | |
| Jan. 21, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (15) | 3.1 μg/m3 (13) | 15.0 | |
| Jan. 21, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (10) | 10.5 μg/m3 (44) | 44.0 | |
| Jan. 21, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (6) | 10.1 μg/m3 (42) | 42.0 | |
| Jan. 21, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 μg/m3 (2) | 5.1 μg/m3 (21) | 21.0 | |
| Jan. 21, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (6) | 4.2 μg/m3 (18) | 18.0 | |
| Jan. 21, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (9) | 15.9 μg/m3 (58) | 58.0 | |
| Jan. 21, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (9) | 13.9 μg/m3 (54) | 54.0 | |
| Jan. 21, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (12) | 17.0 μg/m3 (61) | 61.0 | |
| Jan. 21, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (10) | 9.2 μg/m3 (38) | 38.0 | |
| Jan. 21, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (5) | 4.2 μg/m3 (18) | 18.0 | |
| Jan. 21, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (9) | 12.7 μg/m3 (51) | 51.0 | |
| Jan. 21, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (10) | 14.0 μg/m3 (54) | 54.0 | |
| Jan. 21, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 μg/m3 (5) | 7.3 μg/m3 (30) | 30.0 | |
| Jan. 21, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (11) | 12.9 μg/m3 (52) | 52.0 | |
| Jan. 21, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 12.5 μg/m3 (51) | 51.0 | |
| Jan. 21, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (15) | 12.6 μg/m3 (51) | 51.0 | |
| Jan. 21, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (21) | 10.9 μg/m3 (45) | 45.0 | |
| Jan. 21, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (22) | 30.4 μg/m3 (89) | 89.0 | |
| Jan. 21, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (24) | 26.6 μg/m3 (81) | 81.0 | |
| Jan. 21, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (33) | 36.0 μg/m3 (101) | 101.0 | |
| Jan. 21, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (32) | 33.0 μg/m3 (95) | 95.0 | |
| Jan. 21, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (27) | 29.5 μg/m3 (87) | 87.0 | |
| Jan. 21, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (16) | 20.8 μg/m3 (69) | 69.0 | |
| Jan. 21, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (9) | 13.9 μg/m3 (54) | 54.0 | |
| Jan. 20, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | -2.0 μg/m3 (0) | 2.8 μg/m3 (12) | 12.0 | |
| Jan. 20, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (3) | 5.8 μg/m3 (24) | 24.0 | |
| Jan. 20, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | -0.4 μg/m3 (0) | N/A | |
| Jan. 20, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 μg/m3 (0) | 4.9 μg/m3 (20) | 20.0 | |
| Jan. 20, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 9.1 μg/m3 (38) | 38.0 | |
| Jan. 20, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (6) | 14.6 μg/m3 (56) | 56.0 | |
| Jan. 20, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (12) | 13.5 μg/m3 (53) | 53.0 | |
| Jan. 20, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 8.8 μg/m3 (37) | 37.0 | |
| Jan. 20, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 2.9 μg/m3 (12) | 15.0 | |
| Jan. 20, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (6) | 11.1 μg/m3 (46) | 46.0 | |
| Jan. 20, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (6) | 9.2 μg/m3 (38) | 38.0 | |
| Jan. 20, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (7) | 6.0 μg/m3 (25) | 25.0 | |
| Jan. 20, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (10) | 6.9 μg/m3 (29) | 29.0 | |
| Jan. 20, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (7) | 13.5 μg/m3 (53) | 53.0 | |
| Jan. 20, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (15) | 22.1 μg/m3 (71) | 71.0 | |
| Jan. 20, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (26) | 35.1 μg/m3 (99) | 99.0 | |
| Jan. 20, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (39) | 44.2 μg/m3 (122) | 122.0 | |
| Jan. 20, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (35) | 43.5 μg/m3 (120) | 120.0 | |
| Jan. 20, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (29) | 31.7 μg/m3 (92) | 92.0 | |
| Jan. 20, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (29) | 35.9 μg/m3 (101) | 101.0 | |
| Jan. 20, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 μg/m3 (43) | 47.0 μg/m3 (129) | 129.0 | |
| Jan. 20, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (39) | 44.7 μg/m3 (123) | 123.0 | |
| Jan. 20, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (26) | 34.9 μg/m3 (99) | 99.0 | |
| Jan. 20, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 17.6 μg/m3 (62) | 62.0 | |
| Jan. 19, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 μg/m3 (4) | 20.1 μg/m3 (67) | 67.0 | |
| Jan. 19, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 2.3 μg/m3 (10) | 10.0 | |
| Jan. 19, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 μg/m3 (1) | 0.9 μg/m3 (4) | 4.0 | |
| Jan. 19, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 7.5 μg/m3 (31) | 31.0 | |
| Jan. 19, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (7) | 17.5 μg/m3 (62) | 62.0 | |
| Jan. 19, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 15.5 μg/m3 (57) | 57.0 | |
| Jan. 19, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (17) | 23.9 μg/m3 (75) | 75.0 | |
| Jan. 19, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (25) | 32.8 μg/m3 (94) | 94.0 | |
| Jan. 19, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (22) | 28.2 μg/m3 (84) | 84.0 | |
| Jan. 19, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (20) | 26.0 μg/m3 (80) | 80.0 | |
| Jan. 19, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (17) | 20.4 μg/m3 (68) | 68.0 | |
| Jan. 19, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 μg/m3 (18) | 18.0 μg/m3 (63) | 63.0 | |
| Jan. 19, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (19) | 29.6 μg/m3 (87) | 87.0 | |
| Jan. 19, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 μg/m3 (38) | 40.5 μg/m3 (112) | 112.0 | |
| Jan. 19, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (40) | 48.8 μg/m3 (133) | 133.0 | |
| Jan. 19, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (35) | 36.2 μg/m3 (102) | 102.0 | |
| Jan. 19, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (25) | 15.1 μg/m3 (57) | 57.0 | |
| Jan. 19, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (25) | 32.5 μg/m3 (94) | 94.0 | |
| Jan. 19, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 μg/m3 (36) | 44.9 μg/m3 (124) | 124.0 | |
| Jan. 19, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (39) | 47.5 μg/m3 (130) | 130.0 | |
| Jan. 19, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (35) | 36.7 μg/m3 (103) | 103.0 | |
| Jan. 19, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 μg/m3 (21) | 25.2 μg/m3 (78) | 78.0 | |
| Jan. 19, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 14.4 μg/m3 (55) | 55.0 | |
| Jan. 19, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (9) | 8.7 μg/m3 (36) | 36.0 | |
| Jan. 18, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 μg/m3 (6) | 8.8 μg/m3 (37) | 37.0 | |
| Jan. 18, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (9) | 9.8 μg/m3 (41) | 41.0 | |
| Jan. 18, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (7) | 10.1 μg/m3 (42) | 42.0 | |
| Jan. 18, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (7) | 13.1 μg/m3 (52) | 52.0 | |
| Jan. 18, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (9) | 12.1 μg/m3 (50) | 50.0 | |
| Jan. 18, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 μg/m3 (17) | 20.6 μg/m3 (68) | 68.0 | |
| Jan. 18, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (24) | 27.7 μg/m3 (83) | 83.0 | |
| Jan. 18, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (25) | 37.3 μg/m3 (104) | 104.0 | |
| Jan. 18, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (19) | 30.6 μg/m3 (90) | 90.0 | |
| Jan. 18, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 20.0 μg/m3 (67) | 67.0 | |
| Jan. 18, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (20) | 28.2 μg/m3 (84) | 84.0 | |
| Jan. 18, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (20) | 25.9 μg/m3 (80) | 80.0 | |
| Jan. 18, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (26) | 35.0 μg/m3 (99) | 99.0 | |
| Jan. 18, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (32) | 38.0 μg/m3 (106) | 106.0 | |
| Jan. 18, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (33) | 37.6 μg/m3 (105) | 105.0 | |
| Jan. 18, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 μg/m3 (36) | 47.7 μg/m3 (130) | 130.0 | |
| Jan. 18, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (41) | 47.2 μg/m3 (129) | 129.0 | |
| Jan. 18, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 μg/m3 (44) | 49.1 μg/m3 (134) | 134.0 | |
| Jan. 18, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (39) | 47.8 μg/m3 (131) | 131.0 | |
| Jan. 18, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 μg/m3 (45) | 51.2 μg/m3 (139) | 139.0 | |
| Jan. 18, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 μg/m3 (47) | 50.6 μg/m3 (138) | 138.0 | |
| Jan. 18, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (35) | 37.7 μg/m3 (106) | 106.0 | |
| Jan. 18, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (29) | 30.0 μg/m3 (88) | 88.0 | |
| Jan. 18, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (29) | 34.0 μg/m3 (97) | 97.0 | |
| Jan. 17, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (25) | 28.1 μg/m3 (84) | 84.0 | |
| Jan. 17, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 17.7 μg/m3 (62) | 62.0 | |
| Jan. 17, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (23) | 20.6 μg/m3 (68) | 68.0 | |
| Jan. 17, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (15) | 18.8 μg/m3 (64) | 64.0 | |
| Jan. 17, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (12) | 21.2 μg/m3 (70) | 70.0 | |
| Jan. 17, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 μg/m3 (14) | 20.9 μg/m3 (69) | 69.0 | |
| Jan. 17, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (20) | 28.9 μg/m3 (86) | 86.0 | |
| Jan. 17, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 27.6 μg/m3 (83) | 83.0 | |
| Jan. 17, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 μg/m3 (20) | 25.4 μg/m3 (79) | 79.0 | |
| Jan. 17, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (15) | 21.8 μg/m3 (71) | 71.0 | |
| Jan. 17, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 μg/m3 (16) | 17.0 μg/m3 (61) | 61.0 | |
| Jan. 17, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (26) | 31.0 μg/m3 (90) | 90.0 | |
| Jan. 17, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 μg/m3 (33) | 41.2 μg/m3 (114) | 114.0 | |
| Jan. 17, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (35) | 43.5 μg/m3 (120) | 120.0 | |
| Jan. 17, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (37) | 35.0 μg/m3 (99) | 99.0 | |
| Jan. 17, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 μg/m3 (39) | 42.0 μg/m3 (116) | 116.0 | |
| Jan. 17, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (29) | 23.2 μg/m3 (74) | 74.0 | |
| Jan. 17, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (29) | 33.9 μg/m3 (97) | 97.0 | |
| Jan. 17, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 μg/m3 (28) | 34.8 μg/m3 (99) | 99.0 | |
| Jan. 17, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 μg/m3 (25) | 26.0 μg/m3 (80) | 80.0 | |
| Jan. 17, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (27) | 32.3 μg/m3 (93) | 93.0 | |
| Jan. 17, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 μg/m3 (28) | 30.2 μg/m3 (89) | 89.0 | |
| Jan. 17, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 27.0 μg/m3 (82) | 82.0 | |
| Jan. 17, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (19) | 15.5 μg/m3 (57) | 57.0 | |
| Jan. 16, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | N/A | 13.0 | |
| Jan. 16, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 μg/m3 (11) | 7.4 μg/m3 (31) | 31.0 | |
| Jan. 16, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 μg/m3 (7) | 9.7 μg/m3 (40) | 40.0 | |
| Jan. 16, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (3) | 10.2 μg/m3 (42) | 42.0 | |
| Jan. 16, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | 11.9 μg/m3 (50) | 50.0 | |
| Jan. 16, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 μg/m3 (8) | 16.2 μg/m3 (59) | 59.0 | |
| Jan. 16, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 18.9 μg/m3 (65) | 65.0 | |
| Jan. 16, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (23) | 21.7 μg/m3 (71) | 71.0 | |
| Jan. 16, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (23) | 18.1 μg/m3 (63) | 63.0 | |
| Jan. 16, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 μg/m3 (12) | 17.4 μg/m3 (61) | 61.0 | |
| Jan. 16, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 μg/m3 (13) | 18.6 μg/m3 (64) | 64.0 | |
| Jan. 16, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 28.4 μg/m3 (85) | 85.0 | |
| Jan. 16, 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) | 23.0 μg/m3 (73) | 73.0 | |
| Jan. 16, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 20.9 μg/m3 (69) | 69.0 | |
| Jan. 16, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (22) | 23.4 μg/m3 (74) | 74.0 | |
| Jan. 16, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 μg/m3 (25) | 17.9 μg/m3 (63) | 63.0 | |
| Jan. 16, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (27) | 6.0 μg/m3 (25) | 27.0 | |
| Jan. 16, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 μg/m3 (19) | 24.2 μg/m3 (76) | 76.0 | |
| Jan. 16, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 μg/m3 (26) | 26.1 μg/m3 (80) | 80.0 | |
| Jan. 16, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (27) | 27.3 μg/m3 (83) | 83.0 | |
| Jan. 16, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 μg/m3 (24) | 27.7 μg/m3 (83) | 83.0 | |
| Jan. 16, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (32) | 31.0 μg/m3 (90) | 90.0 | |
| Jan. 16, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 μg/m3 (30) | 32.9 μg/m3 (94) | 94.0 | |
| Jan. 16, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 μg/m3 (15) | 18.2 μg/m3 (63) | 63.0 | |
| Jan. 15, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (9) | 1.9 μg/m3 (8) | 9.0 | |
| Jan. 15, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 μg/m3 (5) | -0.5 μg/m3 (0) | 5.0 | |
| Jan. 15, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 μg/m3 (3) | 4.1 μg/m3 (17) | 17.0 | |
| Jan. 15, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | -1.0 μg/m3 (0) | 3.1 μg/m3 (13) | 13.0 |