ID: 2053

AQSQID: 040230004

Site Name: Nogales Post Office

Added: April 21, 2020, 6:24 p.m.

Updated: March 4, 2021, 12:32 p.m.

Location: Nogales (E Hudgins St Nogales), AZ

Reporting: True, Located: True

Current AQI: 42.0

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
March 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
March 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 8.0 μg/m3 (34) 34.0
 
March 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
March 4, 2021, 8 a.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
 
March 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
March 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
March 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
March 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 16.0 μg/m3 (60) 60.0
 
March 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 13.0 μg/m3 (53) 53.0
 
March 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 94.0 μg/m3 (71) 9.0 μg/m3 (38) 71.0
 
March 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 111.0 μg/m3 (79) 9.0 μg/m3 (38) 79.0
 
March 4, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 122.0 μg/m3 (85) 10.0 μg/m3 (42) 85.0
 
March 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 134.0 μg/m3 (91) 11.0 μg/m3 (46) 91.0
 
March 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 239.0 μg/m3 (143) 9.0 μg/m3 (38) 143.0
 
March 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 255.0 μg/m3 (151) 15.0 μg/m3 (58) 151.0
 
March 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 174.0 μg/m3 (111) 12.0 μg/m3 (50) 111.0
 
March 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 88.0 μg/m3 (68) 4.0 μg/m3 (17) 68.0
 
March 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 7.0 μg/m3 (30) 38.0
 
March 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 134.0 μg/m3 (91) 10.0 μg/m3 (42) 91.0
 
March 3, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (60) 7.0 μg/m3 (30) 60.0
 
March 3, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 217.0 μg/m3 (132) 52.0 μg/m3 (142) 142.0
 
March 3, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 210.0 μg/m3 (129) 48.0 μg/m3 (132) 132.0
 
March 3, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 127.0 μg/m3 (87) 26.0 μg/m3 (81) 87.0
 
March 3, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (56) 22.0 μg/m3 (72) 72.0
 
March 3, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (55) 22.0 μg/m3 (72) 72.0
 
March 3, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (54) 23.0 μg/m3 (74) 74.0
 
March 3, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (50) 20.0 μg/m3 (68) 68.0
 
March 3, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 86.0 μg/m3 (67) 25.0 μg/m3 (79) 79.0
 
March 3, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 101.0 μg/m3 (74) 21.0 μg/m3 (70) 74.0
 
March 3, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 92.0 μg/m3 (70) 23.0 μg/m3 (74) 74.0
 
March 3, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 94.0 μg/m3 (71) 26.0 μg/m3 (81) 81.0
 
March 3, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 97.0 μg/m3 (72) 20.0 μg/m3 (68) 72.0
 
March 3, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 158.0 μg/m3 (103) 26.0 μg/m3 (81) 103.0
 
March 3, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 88.0 μg/m3 (68) 15.0 μg/m3 (58) 68.0
 
March 3, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (43) 3.0 μg/m3 (13) 43.0
 
March 3, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 1.0 μg/m3 (5) 18.0
 
March 2, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 2.0 μg/m3 (9) 16.0
 
March 2, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
March 2, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
March 2, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 2.0 μg/m3 (9) 18.0
 
March 2, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
March 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
March 2, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
March 2, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 7.0 μg/m3 (30) 30.0
 
March 2, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 8.0 μg/m3 (34) 38.0
 
March 2, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 91.0 μg/m3 (69) 14.0 μg/m3 (55) 69.0
 
March 2, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) 11.0 μg/m3 (46) 46.0
 
March 2, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
March 2, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 8.0 μg/m3 (34) 34.0
 
March 2, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 9.0 μg/m3 (38) 38.0
 
March 2, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 7.0 μg/m3 (30) 37.0
 
March 2, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 11.0 μg/m3 (46) 46.0
 
March 2, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (60) 17.0 μg/m3 (62) 62.0
 
March 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (47) 8.0 μg/m3 (34) 47.0
 
March 2, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (50) 10.0 μg/m3 (42) 50.0
 
March 2, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (58) 9.0 μg/m3 (38) 58.0
 
March 2, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
March 2, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 4.0 μg/m3 (17) 31.0
 
March 2, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 6.0 μg/m3 (25) 33.0
 
March 2, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 9.0 μg/m3 (38) 38.0
 
March 1, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 8.0 μg/m3 (34) 37.0
 
March 1, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 7.0 μg/m3 (30) 30.0
 
March 1, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 3.0 μg/m3 (13) 27.0
 
March 1, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 5.0 μg/m3 (21) 28.0
 
March 1, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 4.0 μg/m3 (17) 26.0
 
March 1, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 3.0 μg/m3 (13) 28.0
 
March 1, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 0.0 μg/m3 (0) 21.0
 
March 1, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
March 1, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (49) 13.0 μg/m3 (53) 53.0
 
March 1, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 136.0 μg/m3 (92) 30.0 μg/m3 (89) 92.0
 
March 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (55) 18.0 μg/m3 (64) 64.0
 
March 1, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
March 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
March 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
March 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (58) 21.0 μg/m3 (70) 70.0
 
March 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 92.0 μg/m3 (70) 29.0 μg/m3 (87) 87.0
 
March 1, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 75.0 μg/m3 (61) 17.0 μg/m3 (62) 62.0
 
March 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 89.0 μg/m3 (68) 19.0 μg/m3 (66) 68.0
 
March 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 8.0 μg/m3 (34) 34.0
 
March 1, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
March 1, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
March 1, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 6.0 μg/m3 (25) 32.0
 
March 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 7.0 μg/m3 (30) 34.0
 
March 1, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
Feb. 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 4.0 μg/m3 (17) 29.0
 
Feb. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 12.0 μg/m3 (50) 50.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (53) 16.0 μg/m3 (60) 60.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Feb. 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
Feb. 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 16.0 μg/m3 (60) 60.0
 
Feb. 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 102.0 μg/m3 (75) 29.0 μg/m3 (87) 87.0
 
Feb. 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 111.0 μg/m3 (79) 26.0 μg/m3 (81) 81.0
 
Feb. 28, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (58) 27.0 μg/m3 (83) 83.0
 
Feb. 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (60) 26.0 μg/m3 (81) 81.0
 
Feb. 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 103.0 μg/m3 (75) 39.0 μg/m3 (110) 110.0
 
Feb. 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 145.0 μg/m3 (96) 47.0 μg/m3 (130) 130.0
 
Feb. 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 85.0 μg/m3 (66) 33.0 μg/m3 (95) 95.0
 
Feb. 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (60) 27.0 μg/m3 (83) 83.0
 
Feb. 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 75.0 μg/m3 (61) 23.0 μg/m3 (74) 74.0
 
Feb. 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 90.0 μg/m3 (69) 32.0 μg/m3 (93) 93.0
 
Feb. 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (59) 34.0 μg/m3 (98) 98.0
 
Feb. 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (52) 16.0 μg/m3 (60) 60.0
 
Feb. 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (44) 10.0 μg/m3 (42) 44.0
 
Feb. 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (39) 10.0 μg/m3 (42) 42.0
 
Feb. 28, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
Feb. 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 7.0 μg/m3 (30) 30.0
 
Feb. 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 4.0 μg/m3 (17) 21.0
 
Feb. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
Feb. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 7.0 μg/m3 (30) 30.0
 
Feb. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 8.0 μg/m3 (34) 34.0
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 10.0 μg/m3 (42) 42.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 10.0 μg/m3 (42) 42.0
 
Feb. 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (56) 16.0 μg/m3 (60) 60.0
 
Feb. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 143.0 μg/m3 (95) 40.0 μg/m3 (113) 113.0
 
Feb. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 147.0 μg/m3 (97) 34.0 μg/m3 (98) 98.0
 
Feb. 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (55) 22.0 μg/m3 (72) 72.0
 
Feb. 27, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (51) 19.0 μg/m3 (66) 66.0
 
Feb. 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (52) 18.0 μg/m3 (64) 64.0
 
Feb. 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (56) 18.0 μg/m3 (64) 64.0
 
Feb. 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (59) 25.0 μg/m3 (79) 79.0
 
Feb. 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 91.0 μg/m3 (69) 27.0 μg/m3 (83) 83.0
 
Feb. 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 189.0 μg/m3 (118) 43.0 μg/m3 (120) 120.0
 
Feb. 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 218.0 μg/m3 (133) 48.0 μg/m3 (132) 133.0
 
Feb. 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 145.0 μg/m3 (96) 33.0 μg/m3 (95) 96.0
 
Feb. 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 92.0 μg/m3 (70) 27.0 μg/m3 (83) 83.0
 
Feb. 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (53) 16.0 μg/m3 (60) 60.0
 
Feb. 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 12.0 μg/m3 (50) 50.0
 
Feb. 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 8.0 μg/m3 (34) 34.0
 
Feb. 27, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Feb. 26, 2021, 11 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 (9) 13.0
 
Feb. 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Feb. 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Feb. 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Feb. 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Feb. 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Feb. 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 7.0 μg/m3 (30) 32.0
 
Feb. 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (39) 8.0 μg/m3 (34) 39.0
 
Feb. 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 123.0 μg/m3 (85) 29.0 μg/m3 (87) 87.0
 
Feb. 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 173.0 μg/m3 (110) 30.0 μg/m3 (89) 110.0
 
Feb. 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (58) 17.0 μg/m3 (62) 62.0
 
Feb. 26, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (54) 15.0 μg/m3 (58) 58.0
 
Feb. 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (58) 22.0 μg/m3 (72) 72.0
 
Feb. 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 89.0 μg/m3 (68) 23.0 μg/m3 (74) 74.0
 
Feb. 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 89.0 μg/m3 (68) 22.0 μg/m3 (72) 72.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 108.0 μg/m3 (78) 28.0 μg/m3 (85) 85.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 121.0 μg/m3 (84) 29.0 μg/m3 (87) 87.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 151.0 μg/m3 (99) 30.0 μg/m3 (89) 99.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 75.0 μg/m3 (61) 17.0 μg/m3 (62) 62.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (55) 14.0 μg/m3 (55) 55.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (53) 17.0 μg/m3 (62) 62.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (49) 7.0 μg/m3 (30) 49.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 8.0 μg/m3 (34) 34.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
Feb. 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 7.0 μg/m3 (30) 30.0
 
Feb. 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (52) 12.0 μg/m3 (50) 52.0
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 99.0 μg/m3 (73) 24.0 μg/m3 (77) 77.0
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 121.0 μg/m3 (84) 28.0 μg/m3 (85) 85.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (55) 19.0 μg/m3 (66) 66.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 14.0 μg/m3 (55) 55.0