AQSQID: 040230004

Site Name: Nogales Post Office

Location: Nogales, AZ

Reporting: True, Located: True

Current AQI: 76.0

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 24, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) 17.0 μg/m3 (61) 61.0
 
March 24, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 107.0 μg/m3 (76) 22.0 μg/m3 (71) 76.0
 
March 24, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (58) 14.0 μg/m3 (54) 58.0
 
March 24, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 100.0 μg/m3 (72) 17.0 μg/m3 (61) 72.0
 
March 24, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 140.0 μg/m3 (92) 18.0 μg/m3 (63) 92.0
 
March 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (53) 8.0 μg/m3 (33) 53.0
 
March 24, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
March 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
March 24, 2019, midnight 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
 
March 23, 2019, 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
 
March 23, 2019, 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
 
March 23, 2019, 9 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
 
March 23, 2019, 8 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
 
March 23, 2019, 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
 
March 23, 2019, 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
 
March 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 7.0 μg/m3 (29) 29.0
 
March 23, 2019, 4 p.m. 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
 
March 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
March 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 12.0 μg/m3 (50) 50.0
 
March 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 8.0 μg/m3 (33) 33.0
 
March 23, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 8.0 μg/m3 (33) 33.0
 
March 23, 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) 7.0 μg/m3 (29) 29.0
 
March 23, 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) 7.0 μg/m3 (29) 29.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 8.0 μg/m3 (33) 33.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 9.0 μg/m3 (38) 43.0
 
March 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 6.0 μg/m3 (25) 32.0
 
March 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 3.0 μg/m3 (12) 26.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 11.0
 
March 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
March 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
March 23, 2019, 2 a.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
 
March 23, 2019, 1 a.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
 
March 23, 2019, midnight 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
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
March 22, 2019, 10 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
 
March 22, 2019, 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
 
March 22, 2019, 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 (8) 8.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 12.0
 
March 22, 2019, 6 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
 
March 22, 2019, 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
 
March 22, 2019, 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
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 8.0 μg/m3 (33) 33.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 8.0 μg/m3 (33) 33.0
 
March 22, 2019, 11 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 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
March 22, 2019, 9 a.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
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 5.0 μg/m3 (21) 37.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 6.0 μg/m3 (25) 43.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (57) 16.0 μg/m3 (59) 59.0
 
March 22, 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) 6.0 μg/m3 (25) 58.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
March 22, 2019, 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
 
March 22, 2019, 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
 
March 22, 2019, 1 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
 
March 22, 2019, 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
 
March 21, 2019, 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 (4) 8.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 0.0 μg/m3 (0) 12.0
 
March 21, 2019, 9 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
 
March 21, 2019, 8 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
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
March 21, 2019, 6 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
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 7.0 μg/m3 (29) 45.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (54) 10.0 μg/m3 (42) 54.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 4.0 μg/m3 (17) 21.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
March 21, 2019, 10 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
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
March 21, 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) 2.0 μg/m3 (8) 31.0
 
March 21, 2019, 7 a.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
 
March 21, 2019, 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
 
March 21, 2019, 5 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
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 4.0 μg/m3 (17) 23.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 5.0 μg/m3 (21) 27.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 4.0 μg/m3 (17) 35.0
 
March 21, 2019, 1 a.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
 
March 21, 2019, midnight 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
 
March 20, 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) 1.0 μg/m3 (4) 17.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 0.0 μg/m3 (0) 23.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 3.0 μg/m3 (12) 17.0
 
March 20, 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) 3.0 μg/m3 (12) 12.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) -1.0 μg/m3 (0) 18.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 4.0 μg/m3 (17) 33.0
 
March 20, 2019, 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
 
March 20, 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) 11.0 μg/m3 (46) 46.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (58) 12.0 μg/m3 (50) 58.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 11.0 μg/m3 (46) 46.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 11.0 μg/m3 (46) 46.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 8.0 μg/m3 (33) 33.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 11.0 μg/m3 (46) 46.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (48) 11.0 μg/m3 (46) 48.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) 14.0 μg/m3 (54) 54.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 79.0 μg/m3 (62) 15.0 μg/m3 (56) 62.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 6.0 μg/m3 (25) 35.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 85.0 μg/m3 (65) 9.0 μg/m3 (38) 65.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 5.0 μg/m3 (21) 45.0
 
March 20, 2019, 1 a.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
 
March 20, 2019, midnight 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
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 1.0 μg/m3 (4) 15.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 11.0
 
March 19, 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) 3.0 μg/m3 (12) 12.0
 
March 19, 2019, 7 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
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 3.0 μg/m3 (12) 17.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
March 19, 2019, 4 p.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
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 7.0 μg/m3 (29) 37.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (50) 6.0 μg/m3 (25) 50.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 2.0 μg/m3 (8) 28.0
 
March 19, 2019, noon 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
 
March 19, 2019, 11 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
 
March 19, 2019, 10 a.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
 
March 19, 2019, 9 a.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
 
March 19, 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) 1.0 μg/m3 (4) 7.0
 
March 19, 2019, 7 a.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 (12) 13.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
March 19, 2019, 5 a.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 (12) 13.0
 
March 19, 2019, 4 a.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
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 6.0 μg/m3 (25) 35.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (59) 8.0 μg/m3 (33) 59.0
 
March 19, 2019, 1 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
 
March 19, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
March 18, 2019, 11 p.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
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 11.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 1.0 μg/m3 (4) 12.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
March 18, 2019, 7 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
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
March 18, 2019, 5 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
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) 15.0 μg/m3 (56) 56.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 66.0 μg/m3 (56) 15.0 μg/m3 (56) 56.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
March 18, 2019, 9 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 18, 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) 11.0 μg/m3 (46) 46.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (60) 17.0 μg/m3 (61) 61.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (60) 19.0 μg/m3 (65) 65.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 1.0 μg/m3 (4) 18.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 66.0 μg/m3 (56) 15.0 μg/m3 (56) 56.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) 11.0 μg/m3 (46) 47.0
 
March 18, 2019, 2 a.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
 
March 18, 2019, 1 a.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
 
March 18, 2019, midnight 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
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 1.0 μg/m3 (4) 13.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 2.0 μg/m3 (8) 28.0
 
March 17, 2019, 9 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
 
March 17, 2019, 8 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
 
March 17, 2019, 7 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 (0) 6.0
 
March 17, 2019, 6 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 (8) 8.0
 
March 17, 2019, 5 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 (12) 13.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
March 17, 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) 6.0 μg/m3 (25) 25.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
March 17, 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) 7.0 μg/m3 (29) 29.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
March 17, 2019, 11 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
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0