AQSQID: 040230004

Site Name: Nogales Post Office

Location: Nogales (E Hudgins St Nogales), AZ

Reporting: True, Located: True

Current AQI: 63.0

Nogales (E Hudgins St Nogales) AZ, US: 31.337204, -110.936722

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 27, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (59) 18.0 μg/m3 (63) 63.0
 
Jan. 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Jan. 27, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 13.0 μg/m3 (52) 52.0
 
Jan. 27, 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) 13.0 μg/m3 (52) 52.0
 
Jan. 27, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 17.0 μg/m3 (61) 61.0
 
Jan. 27, 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) 21.0 μg/m3 (69) 69.0
 
Jan. 27, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 21.0 μg/m3 (69) 69.0
 
Jan. 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (58) 27.0 μg/m3 (82) 82.0
 
Jan. 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (60) 26.0 μg/m3 (80) 80.0
 
Jan. 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 12.0 μg/m3 (50) 50.0
 
Jan. 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (54) 21.0 μg/m3 (69) 69.0
 
Jan. 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 78.0 μg/m3 (62) 23.0 μg/m3 (73) 73.0
 
Jan. 27, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (54) 14.0 μg/m3 (54) 54.0
 
Jan. 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 6.0 μg/m3 (25) 31.0
 
Jan. 27, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
Jan. 26, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) -1.0 μg/m3 (0) 8.0
 
Jan. 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) -1.0 μg/m3 (0) 5.0
 
Jan. 26, 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) -2.0 μg/m3 (0) 7.0
 
Jan. 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) -2.0 μg/m3 (0) 15.0
 
Jan. 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
Jan. 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Jan. 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
Jan. 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 22.0 μg/m3 (71) 71.0
 
Jan. 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 81.0 μg/m3 (63) 38.0 μg/m3 (106) 106.0
 
Jan. 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (60) 35.0 μg/m3 (99) 99.0
 
Jan. 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 80.0 μg/m3 (62) 40.0 μg/m3 (111) 111.0
 
Jan. 26, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 80.0 μg/m3 (62) 45.0 μg/m3 (124) 124.0
 
Jan. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (59) 37.0 μg/m3 (104) 104.0
 
Jan. 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (60) 34.0 μg/m3 (97) 97.0
 
Jan. 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 66.0 μg/m3 (56) 31.0 μg/m3 (90) 90.0
 
Jan. 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 86.0 μg/m3 (66) 38.0 μg/m3 (106) 106.0
 
Jan. 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 102.0 μg/m3 (74) 36.0 μg/m3 (101) 101.0
 
Jan. 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 122.0 μg/m3 (84) 35.0 μg/m3 (99) 99.0
 
Jan. 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 113.0 μg/m3 (79) 27.0 μg/m3 (82) 82.0
 
Jan. 26, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (60) 25.0 μg/m3 (78) 78.0
 
Jan. 26, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 14.0 μg/m3 (54) 54.0
 
Jan. 26, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (52) 20.0 μg/m3 (67) 67.0
 
Jan. 26, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 7.0 μg/m3 (29) 44.0
 
Jan. 26, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
Jan. 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) -2.0 μg/m3 (0) 5.0
 
Jan. 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) -2.0 μg/m3 (0) 8.0
 
Jan. 25, 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) -2.0 μg/m3 (0) 7.0
 
Jan. 25, 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) 1.0 μg/m3 (4) 7.0
 
Jan. 25, 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) 5.0 μg/m3 (21) 21.0
 
Jan. 25, 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) 7.0 μg/m3 (29) 29.0
 
Jan. 25, 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) 8.0 μg/m3 (33) 33.0
 
Jan. 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 116.0 μg/m3 (80) 42.0 μg/m3 (116) 116.0
 
Jan. 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (56) 24.0 μg/m3 (76) 76.0
 
Jan. 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (52) 26.0 μg/m3 (80) 80.0
 
Jan. 25, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 20.0 μg/m3 (67) 67.0
 
Jan. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (53) 27.0 μg/m3 (82) 82.0
 
Jan. 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (53) 26.0 μg/m3 (80) 80.0
 
Jan. 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (58) 32.0 μg/m3 (93) 93.0
 
Jan. 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 85.0 μg/m3 (65) 32.0 μg/m3 (93) 93.0
 
Jan. 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 88.0 μg/m3 (66) 29.0 μg/m3 (86) 86.0
 
Jan. 25, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 121.0 μg/m3 (83) 36.0 μg/m3 (101) 101.0
 
Jan. 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 136.0 μg/m3 (90) 40.0 μg/m3 (111) 111.0
 
Jan. 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 117.0 μg/m3 (81) 31.0 μg/m3 (90) 90.0
 
Jan. 25, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (58) 13.0 μg/m3 (52) 58.0
 
Jan. 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (50) 18.0 μg/m3 (63) 63.0
 
Jan. 25, 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) 3.0 μg/m3 (12) 30.0
 
Jan. 25, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 2.0 μg/m3 (8) 20.0
 
Jan. 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 1.0 μg/m3 (4) 17.0
 
Jan. 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
Jan. 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 1.0 μg/m3 (4) 20.0
 
Jan. 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 3.0 μg/m3 (12) 12.0
 
Jan. 24, 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) 2.0 μg/m3 (8) 8.0
 
Jan. 24, 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) 4.0 μg/m3 (17) 17.0
 
Jan. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
Jan. 24, 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) 7.0 μg/m3 (29) 29.0
 
Jan. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (59) 24.0 μg/m3 (76) 76.0
 
Jan. 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 22.0 μg/m3 (71) 71.0
 
Jan. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 14.0 μg/m3 (54) 54.0
 
Jan. 24, 2020, noon 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. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 15.0 μg/m3 (56) 56.0
 
Jan. 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 17.0 μg/m3 (61) 61.0
 
Jan. 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
Jan. 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 16.0 μg/m3 (59) 59.0
 
Jan. 24, 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) 11.0 μg/m3 (46) 46.0
 
Jan. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 18.0 μg/m3 (63) 63.0
 
Jan. 24, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
Jan. 24, 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) 7.0 μg/m3 (29) 32.0
 
Jan. 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
Jan. 24, 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) 3.0 μg/m3 (12) 30.0
 
Jan. 24, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Jan. 23, 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) 0.0 μg/m3 (0) 6.0
 
Jan. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
Jan. 23, 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) 0.0 μg/m3 (0) 7.0
 
Jan. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 6.0
 
Jan. 23, 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) 2.0 μg/m3 (8) 8.0
 
Jan. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 10.0
 
Jan. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 8.0
 
Jan. 23, 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) 3.0 μg/m3 (12) 12.0
 
Jan. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 4.0 μg/m3 (17) 17.0
 
Jan. 23, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
Jan. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 10.0
 
Jan. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
Jan. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 10.0
 
Jan. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
Jan. 23, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 7.0
 
Jan. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
Jan. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) -1.0 μg/m3 (0) 7.0
 
Jan. 22, 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) 0.0 μg/m3 (0) N/A
Jan. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -3.0 μg/m3 (0) -1.0 μg/m3 (0) N/A
Jan. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) -1.0 μg/m3 (0) N/A
Jan. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) -1.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 0.0 μg/m3 (0) N/A
Jan. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.0 μg/m3 (4) 4.0
 
Jan. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 2.0 μg/m3 (8) 8.0
 
Jan. 22, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 3.0 μg/m3 (12) 12.0
 
Jan. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 12.0
 
Jan. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 2.0 μg/m3 (8) 8.0
 
Jan. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) -1.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) -2.0 μg/m3 (0) N/A
Jan. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 0.0 μg/m3 (0) 1.0
 
Jan. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
Jan. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
Jan. 22, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
Jan. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 7.0
 
Jan. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
Jan. 21, 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) 2.0 μg/m3 (8) 8.0
 
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) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
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) 11.0 μg/m3 (46) 46.0
 
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) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 21, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 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) 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (56) 18.0 μg/m3 (63) 63.0
 
Jan. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (58) 16.0 μg/m3 (59) 59.0
 
Jan. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 86.0 μg/m3 (66) 20.0 μg/m3 (67) 67.0
 
Jan. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (56) 9.0 μg/m3 (38) 56.0
 
Jan. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (51) 8.0 μg/m3 (33) 51.0
 
Jan. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 2.0 μg/m3 (8) 20.0
 
Jan. 21, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 3.0 μg/m3 (12) 25.0
 
Jan. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 3.0 μg/m3 (12) 18.0
 
Jan. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
Jan. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 2.0 μg/m3 (8) 17.0
 
Jan. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 2.0 μg/m3 (8) 22.0
 
Jan. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 2.0 μg/m3 (8) 25.0
 
Jan. 20, 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) 2.0 μg/m3 (8) 8.0
 
Jan. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 8.0
 
Jan. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 101.0 μg/m3 (73) 23.0 μg/m3 (73) 73.0
 
Jan. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 249.0 μg/m3 (147) 53.0 μg/m3 (144) 147.0