AQSQID: 040191113

Site Name: Geronimo

Location: Tucson (Nwest), AZ

Reporting: True, Located: True

Current AQI: 39.0

Tucson (Nwest) AZ, US: 32.25, -110.9667

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Feb. 14, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Feb. 14, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 7.0 μg/m3 (29) 38.0
 
Feb. 14, 2020, 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
 
Feb. 14, 2020, 7 a.m. 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
 
Feb. 14, 2020, 6 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
 
Feb. 14, 2020, 5 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
 
Feb. 14, 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) 5.0 μg/m3 (21) 21.0
 
Feb. 14, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Feb. 14, 2020, 2 a.m. 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
 
Feb. 14, 2020, 1 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
 
Feb. 14, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 0.0 μg/m3 (0) 17.0
 
Feb. 13, 2020, 11 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
 
Feb. 13, 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) 0.0 μg/m3 (0) 8.0
 
Feb. 13, 2020, 9 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
 
Feb. 13, 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) 1.0 μg/m3 (4) 5.0
 
Feb. 13, 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) 0.0 μg/m3 (0) 7.0
 
Feb. 13, 2020, 6 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 (0) 12.0
 
Feb. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
Feb. 13, 2020, 4 p.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
 
Feb. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
Feb. 13, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 5.0 μg/m3 (21) 40.0
 
Feb. 13, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 1.0 μg/m3 (4) 22.0
 
Feb. 13, 2020, noon 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
 
Feb. 13, 2020, 11 a.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
 
Feb. 13, 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) 8.0 μg/m3 (33) 33.0
 
Feb. 13, 2020, 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
 
Feb. 13, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 8.0 μg/m3 (33) 33.0
 
Feb. 13, 2020, 7 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
 
Feb. 13, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 12.0 μg/m3 (50) 50.0
 
Feb. 13, 2020, 5 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
 
Feb. 13, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
Feb. 13, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 8.0 μg/m3 (33) 38.0
 
Feb. 13, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
Feb. 13, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 1.0 μg/m3 (4) 19.0
 
Feb. 13, 2020, midnight 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 (0) 12.0
 
Feb. 12, 2020, 11 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
 
Feb. 12, 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
 
Feb. 12, 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
 
Feb. 12, 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 (8) 8.0
 
Feb. 12, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
Feb. 12, 2020, 6 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
 
Feb. 12, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Feb. 12, 2020, 2 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
 
Feb. 12, 2020, 1 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 (8) 15.0
 
Feb. 12, 2020, noon 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
 
Feb. 12, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
Feb. 12, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
Feb. 12, 2020, 9 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
 
Feb. 12, 2020, 8 a.m. 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
 
Feb. 12, 2020, 7 a.m. 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
 
Feb. 12, 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) 5.0 μg/m3 (21) 21.0
 
Feb. 12, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Feb. 12, 2020, 4 a.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
 
Feb. 12, 2020, 3 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
 
Feb. 12, 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) 6.0 μg/m3 (25) 25.0
 
Feb. 12, 2020, 1 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
 
Feb. 12, 2020, midnight 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
 
Feb. 11, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 12.0
 
Feb. 11, 2020, 10 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
 
Feb. 11, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
Feb. 11, 2020, 8 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
 
Feb. 11, 2020, 7 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
 
Feb. 11, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 12.0
 
Feb. 11, 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) 3.0 μg/m3 (12) 12.0
 
Feb. 11, 2020, 4 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
 
Feb. 11, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
Feb. 11, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 4.0
 
Feb. 11, 2020, 1 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
 
Feb. 11, 2020, noon 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
 
Feb. 11, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 1.0 μg/m3 (4) 4.0
 
Feb. 11, 2020, 10 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 (0) 2.0
 
Feb. 11, 2020, 9 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 (0) 2.0
 
Feb. 11, 2020, 8 a.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 (0) 3.0
 
Feb. 11, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 4.0
 
Feb. 11, 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) 5.0 μg/m3 (21) 21.0
 
Feb. 11, 2020, 5 a.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
 
Feb. 11, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
Feb. 11, 2020, 3 a.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
 
Feb. 11, 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) 5.0 μg/m3 (21) 21.0
 
Feb. 11, 2020, 1 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
 
Feb. 11, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
Feb. 10, 2020, 11 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
 
Feb. 10, 2020, 10 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
 
Feb. 10, 2020, 9 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
 
Feb. 10, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) -1.0 μg/m3 (0) 14.0
 
Feb. 10, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
Feb. 10, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
Feb. 10, 2020, 5 p.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
 
Feb. 10, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 9.0 μg/m3 (38) 38.0
 
Feb. 10, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (51) 9.0 μg/m3 (38) 51.0
 
Feb. 10, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 5.0 μg/m3 (21) 38.0
 
Feb. 10, 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) 5.0 μg/m3 (21) 31.0
 
Feb. 10, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 2.0 μg/m3 (8) 21.0
 
Feb. 10, 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) 0.0 μg/m3 (0) 8.0
 
Feb. 10, 2020, 10 a.m. 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
 
Feb. 10, 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) 5.0 μg/m3 (21) 21.0
 
Feb. 10, 2020, 8 a.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
 
Feb. 10, 2020, 7 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
 
Feb. 10, 2020, 6 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
 
Feb. 10, 2020, 5 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
 
Feb. 10, 2020, 4 a.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
 
Feb. 10, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 2.0 μg/m3 (8) 19.0
 
Feb. 10, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 1.0 μg/m3 (4) 16.0
 
Feb. 10, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 1.0 μg/m3 (4) 27.0
 
Feb. 10, 2020, midnight 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
 
Feb. 9, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 3.0 μg/m3 (12) 45.0
 
Feb. 9, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 2.0 μg/m3 (8) 44.0
 
Feb. 9, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 2.0 μg/m3 (8) 46.0
 
Feb. 9, 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) -1.0 μg/m3 (0) 22.0
 
Feb. 9, 2020, 7 p.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
 
Feb. 9, 2020, 6 p.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
 
Feb. 9, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Feb. 9, 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) 8.0 μg/m3 (33) 33.0
 
Feb. 9, 2020, 3 p.m. 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
 
Feb. 9, 2020, 2 p.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
 
Feb. 9, 2020, 1 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
 
Feb. 9, 2020, noon 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
 
Feb. 9, 2020, 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
 
Feb. 9, 2020, 10 a.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
 
Feb. 9, 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) 4.0 μg/m3 (17) 17.0
 
Feb. 9, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Feb. 9, 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) 9.0 μg/m3 (38) 38.0
 
Feb. 9, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 16.0 μg/m3 (59) 59.0
 
Feb. 9, 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) 24.0 μg/m3 (76) 76.0
 
Feb. 9, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) 26.0 μg/m3 (80) 80.0
 
Feb. 9, 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) 12.0 μg/m3 (50) 50.0
 
Feb. 9, 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) 10.0 μg/m3 (42) 51.0
 
Feb. 9, 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) 5.0 μg/m3 (21) 44.0
 
Feb. 9, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 1.0 μg/m3 (4) 19.0
 
Feb. 8, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 1.0 μg/m3 (4) 21.0
 
Feb. 8, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 1.0 μg/m3 (4) 15.0
 
Feb. 8, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
Feb. 8, 2020, 8 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
 
Feb. 8, 2020, 7 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
 
Feb. 8, 2020, 6 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 (8) 15.0
 
Feb. 8, 2020, 5 p.m. 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
 
Feb. 8, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 5.0 μg/m3 (21) 35.0
 
Feb. 8, 2020, 3 p.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
 
Feb. 8, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 9.0 μg/m3 (38) 38.0
 
Feb. 8, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
Feb. 8, 2020, noon 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
 
Feb. 8, 2020, 11 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
 
Feb. 8, 2020, 10 a.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
 
Feb. 8, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
Feb. 8, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 14.0 μg/m3 (54) 54.0
 
Feb. 8, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (57) 21.0 μg/m3 (69) 69.0
 
Feb. 8, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 77.0 μg/m3 (61) 24.0 μg/m3 (76) 76.0
 
Feb. 8, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (52) 20.0 μg/m3 (67) 67.0
 
Feb. 8, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (52) 18.0 μg/m3 (63) 63.0
 
Feb. 8, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 4.0 μg/m3 (17) 37.0
 
Feb. 8, 2020, 2 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
 
Feb. 8, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 3.0 μg/m3 (12) 34.0
 
Feb. 8, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 2.0 μg/m3 (8) 23.0
 
Feb. 7, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 0.0 μg/m3 (0) 19.0
 
Feb. 7, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 0.0 μg/m3 (0) 21.0
 
Feb. 7, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 11.0
 
Feb. 7, 2020, 8 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
 
Feb. 7, 2020, 7 p.m. 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
 
Feb. 7, 2020, 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
 
Feb. 7, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (49) 11.0 μg/m3 (46) 49.0
 
Feb. 7, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (48) 8.0 μg/m3 (33) 48.0
 
Feb. 7, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 4.0 μg/m3 (17) 34.0
 
Feb. 7, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
Feb. 7, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 5.0 μg/m3 (21) 24.0
 
Feb. 7, 2020, 10 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
 
Feb. 7, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 16.0 μg/m3 (59) 59.0
 
Feb. 7, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 16.0 μg/m3 (59) 59.0