AQSQID: 040230004

Site Name: Nogales Post Office

Location: Nogales, AZ

Reporting: True, Located: True

Current AQI: 25.0

Nogales AZ, US: 31.337204, -110.936722

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2019, 6 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
 
Sept. 21, 2019, 5 p.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
 
Sept. 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
Sept. 21, 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) 11.0 μg/m3 (46) 46.0
 
Sept. 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 12.0 μg/m3 (50) 50.0
 
Sept. 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
Sept. 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 8.0 μg/m3 (33) 33.0
 
Sept. 21, 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) 5.0 μg/m3 (21) 26.0
 
Sept. 21, 2019, 10 a.m. 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
 
Sept. 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Sept. 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) 7.0 μg/m3 (29) 47.0
 
Sept. 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 6.0 μg/m3 (25) 30.0
 
Sept. 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 8.0 μg/m3 (33) 35.0
 
Sept. 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 8.0 μg/m3 (33) 36.0
 
Sept. 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 7.0 μg/m3 (29) 30.0
 
Sept. 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 3.0 μg/m3 (12) 22.0
 
Sept. 21, 2019, 2 a.m. 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
 
Sept. 21, 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) 4.0 μg/m3 (17) 17.0
 
Sept. 21, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Sept. 20, 2019, 11 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
 
Sept. 20, 2019, 10 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
 
Sept. 20, 2019, 9 p.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
 
Sept. 20, 2019, 8 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 (29) 29.0
 
Sept. 20, 2019, 7 p.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
 
Sept. 20, 2019, 6 p.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
 
Sept. 20, 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) 5.0 μg/m3 (21) 21.0
 
Sept. 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
Sept. 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 95.0 μg/m3 (70) 14.0 μg/m3 (54) 70.0
 
Sept. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 6.0 μg/m3 (25) 46.0
 
Sept. 20, 2019, 1 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
 
Sept. 20, 2019, noon 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
 
Sept. 20, 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
 
Sept. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 7.0 μg/m3 (29) 29.0
 
Sept. 20, 2019, 9 a.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 (29) 29.0
 
Sept. 20, 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) 6.0 μg/m3 (25) 25.0
 
Sept. 20, 2019, midnight 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
 
Sept. 19, 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
 
Sept. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
Sept. 19, 2019, 9 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
 
Sept. 19, 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) 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2019, 7 p.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
 
Sept. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 8.0 μg/m3 (33) 33.0
 
Sept. 19, 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) 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (52) 14.0 μg/m3 (54) 54.0
 
Sept. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 122.0 μg/m3 (84) 23.0 μg/m3 (73) 84.0
 
Sept. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2019, 8 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
 
Sept. 19, 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) 10.0 μg/m3 (42) 42.0
 
Sept. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (56) 13.0 μg/m3 (52) 56.0
 
Sept. 19, 2019, 5 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
 
Sept. 19, 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) 8.0 μg/m3 (33) 33.0
 
Sept. 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) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2019, 2 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
 
Sept. 19, 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) 3.0 μg/m3 (12) 25.0
 
Sept. 19, 2019, midnight 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
 
Sept. 18, 2019, 11 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
 
Sept. 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) 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2019, 9 p.m. 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
 
Sept. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Sept. 18, 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) 3.0 μg/m3 (12) 12.0
 
Sept. 18, 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) 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 3.0 μg/m3 (12) 21.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
Sept. 18, 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
 
Sept. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (52) 17.0 μg/m3 (61) 61.0
 
Sept. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2019, noon 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
 
Sept. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
Sept. 18, 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) 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) 13.0 μg/m3 (52) 54.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 83.0 μg/m3 (64) 15.0 μg/m3 (56) 64.0
 
Sept. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 107.0 μg/m3 (76) 19.0 μg/m3 (65) 76.0
 
Sept. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 77.0 μg/m3 (61) 12.0 μg/m3 (50) 61.0
 
Sept. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 96.0 μg/m3 (70) 15.0 μg/m3 (56) 70.0
 
Sept. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (58) 16.0 μg/m3 (59) 59.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 5.0 μg/m3 (21) 22.0
 
Sept. 18, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Sept. 17, 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) 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2019, 9 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
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Sept. 17, 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) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 6 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
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
Sept. 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) 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2019, 3 p.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
 
Sept. 17, 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) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 1 p.m. 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
 
Sept. 17, 2019, noon 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
 
Sept. 17, 2019, 11 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
 
Sept. 17, 2019, 10 a.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
 
Sept. 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) 5.0 μg/m3 (21) 21.0
 
Sept. 17, 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) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 7 a.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
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, midnight 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
 
Sept. 16, 2019, 11 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
 
Sept. 16, 2019, 10 p.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
 
Sept. 16, 2019, 9 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
 
Sept. 16, 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) 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Sept. 16, 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) 5.0 μg/m3 (21) 22.0
 
Sept. 16, 2019, 5 p.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
 
Sept. 16, 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) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2019, 1 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
 
Sept. 16, 2019, noon 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
 
Sept. 16, 2019, 11 a.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
 
Sept. 16, 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) 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 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) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2019, 7 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
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 75.0 μg/m3 (60) 16.0 μg/m3 (59) 60.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (51) 13.0 μg/m3 (52) 52.0
 
Sept. 16, 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) 15.0 μg/m3 (56) 56.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 10.0 μg/m3 (42) 50.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Sept. 16, 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) 3.0 μg/m3 (12) 12.0
 
Sept. 16, 2019, 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
 
Sept. 15, 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) 3.0 μg/m3 (12) 12.0
 
Sept. 15, 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) 2.0 μg/m3 (8) 8.0
 
Sept. 15, 2019, 9 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
 
Sept. 15, 2019, 8 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
 
Sept. 15, 2019, 7 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
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 5 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
 
Sept. 15, 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) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 3 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
 
Sept. 15, 2019, 2 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
 
Sept. 15, 2019, 1 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
 
Sept. 15, 2019, noon 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
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 8.0
 
Sept. 15, 2019, 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 (4) 4.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 8.0
 
Sept. 15, 2019, 7 a.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
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 0.0 μg/m3 (0) 2.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 8.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 3.0 μg/m3 (12) 12.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 8.0
 
Sept. 15, 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) 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2019, midnight 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 (4) 4.0
 
Sept. 14, 2019, 11 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 (4) 4.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 8.0
 
Sept. 14, 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) 2.0 μg/m3 (8) 8.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 3.0
 
Sept. 14, 2019, 7 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 (0) N/A
Sept. 14, 2019, 6 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 (4) 4.0
 
Sept. 14, 2019, 5 p.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
 
Sept. 14, 2019, 4 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
 
Sept. 14, 2019, 3 p.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
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2019, 1 p.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
 
Sept. 14, 2019, noon 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