AQSQID: 300930005

Site Name: Butte Greely School

Location: Butte-Silver Bow, MT

Reporting: True, Located: True

Current AQI: 48.0

Butte-Silver Bow MT, US: 46.002399, -112.500893

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 11.6 μg/m3 (48) 48.0
 
Jan. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 15.7 μg/m3 (58) 58.0
 
Jan. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 16.5 μg/m3 (60) 60.0
 
Jan. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 12.6 μg/m3 (51) 51.0
 
Jan. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (50) 22.5 μg/m3 (72) 72.0
 
Jan. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 16.5 μg/m3 (60) 60.0
 
Jan. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 23.2 μg/m3 (74) 74.0
 
Jan. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 41.7 μg/m3 (116) 116.0
 
Jan. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (54) 53.4 μg/m3 (145) 145.0
 
Jan. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 28.6 μg/m3 (85) 85.0
 
Jan. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 34.7 μg/m3 (98) 98.0
 
Jan. 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 24.9 μg/m3 (77) 77.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 20.4 μg/m3 (68) 68.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 23.5 μg/m3 (74) 74.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 17.7 μg/m3 (62) 62.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 22.5 μg/m3 (72) 72.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 24.2 μg/m3 (76) 76.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 26.7 μg/m3 (81) 81.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 36.0 μg/m3 (101) 101.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 29.4 μg/m3 (87) 87.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (49) 20.9 μg/m3 (69) 69.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 23.0 μg/m3 (73) 73.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 6.6 μg/m3 (28) 36.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) 5.4 μg/m3 (23) 54.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 157.0 μg/m3 (101) 25.0 μg/m3 (78) 101.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 77.0 μg/m3 (61) 27.2 μg/m3 (82) 82.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (59) 22.5 μg/m3 (72) 72.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 110.0 μg/m3 (78) 27.2 μg/m3 (82) 82.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 21.6 μg/m3 (70) 70.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (58) 37.2 μg/m3 (104) 104.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (54) 22.7 μg/m3 (73) 73.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 25.4 μg/m3 (79) 79.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 21.6 μg/m3 (70) 70.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 17.9 μg/m3 (63) 63.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 32.3 μg/m3 (93) 93.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 16.7 μg/m3 (60) 60.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 11.5 μg/m3 (48) 48.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 18.9 μg/m3 (65) 65.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (52) 26.6 μg/m3 (81) 81.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 32.6 μg/m3 (94) 94.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 66.0 μg/m3 (56) 52.9 μg/m3 (144) 144.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 84.0 μg/m3 (64) 71.4 μg/m3 (158) 158.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (58) 57.0 μg/m3 (151) 151.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (54) 46.3 μg/m3 (127) 127.0
 
Jan. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (58) 51.9 μg/m3 (141) 141.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (49) 31.6 μg/m3 (92) 92.0
 
Jan. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 18.4 μg/m3 (64) 64.0
 
Jan. 15, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 8.3 μg/m3 (35) 35.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (45) 19.2 μg/m3 (65) 65.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 90.0 μg/m3 (68) 19.2 μg/m3 (65) 68.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 91.0 μg/m3 (68) 12.3 μg/m3 (51) 68.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (56) 15.4 μg/m3 (57) 57.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 14.5 μg/m3 (55) 55.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 19.4 μg/m3 (66) 66.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 24.0 μg/m3 (76) 76.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 32.3 μg/m3 (93) 93.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 32.3 μg/m3 (93) 93.0
 
Jan. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 24.7 μg/m3 (77) 77.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 17.4 μg/m3 (61) 61.0
 
Jan. 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 17.9 μg/m3 (63) 63.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 17.1 μg/m3 (61) 61.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 24.4 μg/m3 (76) 76.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 30.3 μg/m3 (89) 89.0
 
Jan. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (54) 50.2 μg/m3 (137) 137.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 76.0 μg/m3 (60) 66.3 μg/m3 (156) 156.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (53) 54.3 μg/m3 (147) 147.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 38.2 μg/m3 (107) 107.0
 
Jan. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (50) 46.7 μg/m3 (128) 128.0
 
Jan. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (52) 48.2 μg/m3 (132) 132.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (55) 51.4 μg/m3 (140) 140.0
 
Jan. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 30.4 μg/m3 (89) 89.0
 
Jan. 14, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 26.2 μg/m3 (80) 80.0
 
Jan. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 12.3 μg/m3 (51) 51.0
 
Jan. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 92.0 μg/m3 (68) 16.7 μg/m3 (60) 68.0
 
Jan. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 97.0 μg/m3 (71) 19.7 μg/m3 (66) 71.0
 
Jan. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 86.0 μg/m3 (66) 19.7 μg/m3 (66) 66.0
 
Jan. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 102.0 μg/m3 (74) 22.5 μg/m3 (72) 74.0
 
Jan. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 16.5 μg/m3 (60) 60.0
 
Jan. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 29.4 μg/m3 (87) 87.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 22.5 μg/m3 (72) 72.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 23.7 μg/m3 (75) 75.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 11.8 μg/m3 (49) 49.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 40.2 μg/m3 (112) 112.0
 
Jan. 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 19.9 μg/m3 (67) 67.0
 
Jan. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 18.4 μg/m3 (64) 64.0
 
Jan. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 25.4 μg/m3 (79) 79.0
 
Jan. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 24.7 μg/m3 (77) 77.0
 
Jan. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 35.2 μg/m3 (99) 99.0
 
Jan. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (52) 51.4 μg/m3 (140) 140.0
 
Jan. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 25.2 μg/m3 (78) 78.0
 
Jan. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 21.1 μg/m3 (69) 69.0
 
Jan. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 26.2 μg/m3 (80) 80.0
 
Jan. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 27.4 μg/m3 (83) 83.0
 
Jan. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 26.2 μg/m3 (80) 80.0
 
Jan. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 6.8 μg/m3 (28) 28.0
 
Jan. 13, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 7.1 μg/m3 (30) 30.0
 
Jan. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 13.0 μg/m3 (52) 52.0
 
Jan. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 16.0 μg/m3 (59) 59.0
 
Jan. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 10.6 μg/m3 (44) 44.0
 
Jan. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 11.8 μg/m3 (49) 49.0
 
Jan. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 10.6 μg/m3 (44) 44.0
 
Jan. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 14.9 μg/m3 (56) 56.0
 
Jan. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 20.4 μg/m3 (68) 68.0
 
Jan. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 22.5 μg/m3 (72) 72.0
 
Jan. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 13.2 μg/m3 (53) 53.0
 
Jan. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 13.0 μg/m3 (52) 52.0
 
Jan. 12, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 14.7 μg/m3 (56) 56.0
 
Jan. 12, 2019, 11 a.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. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 19.6 μg/m3 (66) 66.0
 
Jan. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 20.8 μg/m3 (69) 69.0
 
Jan. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 27.4 μg/m3 (83) 83.0
 
Jan. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 30.1 μg/m3 (89) 89.0
 
Jan. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 38.5 μg/m3 (108) 108.0
 
Jan. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (49) 42.9 μg/m3 (118) 118.0
 
Jan. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (52) 46.8 μg/m3 (128) 128.0
 
Jan. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (51) 38.2 μg/m3 (107) 107.0
 
Jan. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 10.9 μg/m3 (45) 45.0
 
Jan. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 19.9 μg/m3 (67) 67.0
 
Jan. 12, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 10.2 μg/m3 (42) 42.0
 
Jan. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 13.5 μg/m3 (53) 53.0
 
Jan. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 12.1 μg/m3 (50) 50.0
 
Jan. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 10.9 μg/m3 (45) 45.0
 
Jan. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 6.1 μg/m3 (25) 25.0
 
Jan. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 2.2 μg/m3 (9) 16.0
 
Jan. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.9 μg/m3 (20) 20.0
 
Jan. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.4 μg/m3 (27) 27.0
 
Jan. 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.8 μg/m3 (24) 24.0
 
Jan. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 5.4 μg/m3 (23) 23.0
 
Jan. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.2 μg/m3 (18) 18.0
 
Jan. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.5 μg/m3 (10) 10.0
 
Jan. 11, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.3 μg/m3 (5) 5.0
 
Jan. 11, 2019, 11 a.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. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.4 μg/m3 (23) 23.0
 
Jan. 11, 2019, 9 a.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. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 8.0 μg/m3 (33) 33.0
 
Jan. 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.4 μg/m3 (27) 27.0
 
Jan. 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 9.7 μg/m3 (40) 40.0
 
Jan. 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 8.3 μg/m3 (35) 35.0
 
Jan. 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 6.6 μg/m3 (28) 28.0
 
Jan. 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 8.3 μg/m3 (35) 35.0
 
Jan. 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.9 μg/m3 (20) 20.0
 
Jan. 11, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 1.3 μg/m3 (5) 15.0
 
Jan. 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) -2.3 μg/m3 (0) 2.0
 
Jan. 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -1.1 μg/m3 (0) 3.0
 
Jan. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (55) N/A 55.0
 
Jan. 10, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (55) N/A 55.0
 
Jan. 10, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (55) N/A 55.0
 
Jan. 10, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (45) 1.7 μg/m3 (7) 45.0
 
Jan. 10, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 1.7 μg/m3 (7) 13.0
 
Jan. 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 17.7 μg/m3 (62) 62.0
 
Jan. 10, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 5.9 μg/m3 (25) 25.0
 
Jan. 10, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 6.1 μg/m3 (25) 25.0
 
Jan. 10, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 8.5 μg/m3 (35) 35.0
 
Jan. 9, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 8.5 μg/m3 (35) 35.0
 
Jan. 9, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 8.3 μg/m3 (35) 37.0
 
Jan. 9, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 7.3 μg/m3 (30) 30.0
 
Jan. 9, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 9.7 μg/m3 (40) 40.0
 
Jan. 9, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 10.6 μg/m3 (44) 44.0
 
Jan. 9, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 8.8 μg/m3 (37) 37.0
 
Jan. 9, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 81.0 μg/m3 (63) 16.5 μg/m3 (60) 63.0
 
Jan. 9, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 7.3 μg/m3 (30) 30.0
 
Jan. 9, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 3.7 μg/m3 (15) 23.0
 
Jan. 9, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 6.1 μg/m3 (25) 25.0
 
Jan. 9, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 10.4 μg/m3 (43) 45.0
 
Jan. 9, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (48) 11.3 μg/m3 (47) 48.0
 
Jan. 9, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 12.1 μg/m3 (50) 50.0