AQSQID: 040191113

Site Name: Geronimo

Location: Tucson (E Grant Rd), AZ

Reporting: True, Located: True

Current AQI: 9.0

Tucson (E Grant Rd) AZ, US: 32.25, -110.9667

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 21, 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
 
May 21, 2019, noon 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
 
May 21, 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) 3.0 μg/m3 (12) 12.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
May 21, 2019, 8 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
 
May 21, 2019, 7 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
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
May 21, 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
 
May 21, 2019, 4 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
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 0.0 μg/m3 (0) 14.0
 
May 21, 2019, 2 a.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
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 2.0 μg/m3 (8) 14.0
 
May 21, 2019, midnight 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
 
May 20, 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) 1.0 μg/m3 (4) 12.0
 
May 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) 2.0 μg/m3 (8) 10.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 14.0
 
May 20, 2019, 8 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
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 1.0 μg/m3 (4) 36.0
 
May 20, 2019, 6 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
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 4.0 μg/m3 (17) 27.0
 
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 3.0 μg/m3 (12) 32.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 3.0 μg/m3 (12) 27.0
 
May 20, 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) 5.0 μg/m3 (21) 54.0
 
May 20, 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) 5.0 μg/m3 (21) 21.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 2.0 μg/m3 (8) 16.0
 
May 20, 2019, 11 a.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
 
May 20, 2019, 10 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
 
May 20, 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) 4.0 μg/m3 (17) 17.0
 
May 20, 2019, 8 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
 
May 20, 2019, 7 a.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
 
May 20, 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) 4.0 μg/m3 (17) 17.0
 
May 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
May 20, 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) 10.0 μg/m3 (42) 42.0
 
May 20, 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
 
May 20, 2019, 2 a.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
 
May 20, 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) 2.0 μg/m3 (8) 25.0
 
May 20, 2019, midnight 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
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 5.0 μg/m3 (21) 36.0
 
May 19, 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) 3.0 μg/m3 (12) 28.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 4.0 μg/m3 (17) 31.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 4.0 μg/m3 (17) 35.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) -1.0 μg/m3 (0) 29.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 1.0 μg/m3 (4) 24.0
 
May 19, 2019, 5 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
 
May 19, 2019, 4 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
 
May 19, 2019, 3 p.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
 
May 19, 2019, 2 p.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
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 8.0 μg/m3 (33) 45.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
May 19, 2019, 11 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
 
May 19, 2019, 10 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
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 7.0 μg/m3 (29) 29.0
 
May 19, 2019, 8 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
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (52) 8.0 μg/m3 (33) 52.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 14.0 μg/m3 (54) 54.0
 
May 19, 2019, 4 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
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 19.0 μg/m3 (65) 65.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
May 19, 2019, 1 a.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
 
May 19, 2019, midnight 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
 
May 18, 2019, 11 p.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
 
May 18, 2019, 10 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
 
May 18, 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 (0) 8.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 2.0 μg/m3 (8) 16.0
 
May 18, 2019, 7 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
 
May 18, 2019, 6 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
 
May 18, 2019, 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
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 3.0 μg/m3 (12) 19.0
 
May 18, 2019, 3 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
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 7.0 μg/m3 (29) 29.0
 
May 18, 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) 8.0 μg/m3 (33) 33.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 5.0 μg/m3 (21) 29.0
 
May 18, 2019, 11 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
 
May 18, 2019, 10 a.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
 
May 18, 2019, 9 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
 
May 18, 2019, 8 a.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
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 3.0 μg/m3 (12) 23.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
May 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 5.0 μg/m3 (21) 21.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 20.0
 
May 18, 2019, 3 a.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
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 1.0 μg/m3 (4) 24.0
 
May 18, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 3.0 μg/m3 (12) 27.0
 
May 17, 2019, 11 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
 
May 17, 2019, 10 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
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 6.0 μg/m3 (25) 37.0
 
May 17, 2019, 8 p.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
 
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) 6.0 μg/m3 (25) 47.0
 
May 17, 2019, 6 p.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
 
May 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (52) 13.0 μg/m3 (52) 52.0
 
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (59) 11.0 μg/m3 (46) 59.0
 
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 83.0 μg/m3 (64) 12.0 μg/m3 (50) 64.0
 
May 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 12.0 μg/m3 (50) 50.0
 
May 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 75.0 μg/m3 (60) 9.0 μg/m3 (38) 60.0
 
May 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 103.0 μg/m3 (74) 25.0 μg/m3 (78) 78.0
 
May 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 3.0 μg/m3 (12) 27.0
 
May 17, 2019, 10 a.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 (4) 14.0
 
May 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) 4.0 μg/m3 (17) 17.0
 
May 17, 2019, 8 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
 
May 17, 2019, 7 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
 
May 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
May 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
May 17, 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) 6.0 μg/m3 (25) 25.0
 
May 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
May 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 6.0 μg/m3 (25) 37.0
 
May 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (45) 4.0 μg/m3 (17) 45.0
 
May 17, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 87.0 μg/m3 (66) 4.0 μg/m3 (17) 66.0
 
May 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 3.0 μg/m3 (12) 50.0
 
May 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 5.0 μg/m3 (21) 46.0
 
May 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 6.0 μg/m3 (25) 33.0
 
May 16, 2019, 8 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
 
May 16, 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) 1.0 μg/m3 (4) 22.0
 
May 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) -1.0 μg/m3 (0) 31.0
 
May 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 1.0 μg/m3 (4) 35.0
 
May 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 122.0 μg/m3 (84) N/A 84.0
 
May 16, 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
 
May 16, 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) 6.0 μg/m3 (25) 27.0
 
May 16, 2019, noon 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
 
May 16, 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) 4.0 μg/m3 (17) 23.0
 
May 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 14.0
 
May 16, 2019, 9 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
 
May 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
May 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 7.0 μg/m3 (29) 29.0
 
May 16, 2019, 6 a.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
 
May 16, 2019, 5 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
 
May 16, 2019, 4 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
 
May 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
May 16, 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) 1.0 μg/m3 (4) 20.0
 
May 16, 2019, 1 a.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
 
May 16, 2019, midnight 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
 
May 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 0.0 μg/m3 (0) 18.0
 
May 15, 2019, 10 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
 
May 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 14.0
 
May 15, 2019, 8 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 (4) 18.0
 
May 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 2.0 μg/m3 (8) 14.0
 
May 15, 2019, 6 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
 
May 15, 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) 5.0 μg/m3 (21) 21.0
 
May 15, 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) 3.0 μg/m3 (12) 21.0
 
May 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
May 15, 2019, 2 p.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
 
May 15, 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) 9.0 μg/m3 (38) 38.0
 
May 15, 2019, noon 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
 
May 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
May 15, 2019, 10 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
 
May 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 2.0 μg/m3 (8) 18.0
 
May 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 3.0 μg/m3 (12) 16.0
 
May 15, 2019, 7 a.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
 
May 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 2.0 μg/m3 (8) 18.0
 
May 15, 2019, 5 a.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
 
May 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 4.0 μg/m3 (17) 29.0
 
May 15, 2019, 3 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
 
May 15, 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
 
May 15, 2019, 1 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
 
May 15, 2019, midnight 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
 
May 14, 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) 3.0 μg/m3 (12) 15.0
 
May 14, 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) 1.0 μg/m3 (4) 11.0
 
May 14, 2019, 9 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 (4) 14.0
 
May 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 2.0 μg/m3 (8) 16.0
 
May 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 20.0
 
May 14, 2019, 6 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
 
May 14, 2019, 5 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
 
May 14, 2019, 4 p.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
 
May 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 4.0 μg/m3 (17) 30.0
 
May 14, 2019, 2 p.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
 
May 14, 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