AQSQID: 480290677

Site Name: San Antonio Old Hwy90 C677

Location: San Antonio (Old US Hwy 90 W), TX

Reporting: True, Located: True

Current AQI: 23.0

San Antonio (Old US Hwy 90 W) TX, US: 29.423933, -98.580505

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 25, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (23) 23.0
 
May 25, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.2 μg/m3 (47) 47.0
 
May 25, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.9 μg/m3 (41) 41.0
 
May 25, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.1 μg/m3 (57) 57.0
 
May 25, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.3 μg/m3 (57) 57.0
 
May 25, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.8 μg/m3 (60) 60.0
 
May 25, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.2 μg/m3 (61) 61.0
 
May 25, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.5 μg/m3 (62) 62.0
 
May 25, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (57) 57.0
 
May 25, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (59) 59.0
 
May 25, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.9 μg/m3 (54) 54.0
 
May 25, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.4 μg/m3 (55) 55.0
 
May 25, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
May 25, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.1 μg/m3 (50) 50.0
 
May 25, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (52) 52.0
 
May 25, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.1 μg/m3 (54) 54.0
 
May 25, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (53) 53.0
 
May 25, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.6 μg/m3 (58) 58.0
 
May 25, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (56) 56.0
 
May 25, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
May 24, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.6 μg/m3 (53) 53.0
 
May 24, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
May 24, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (37) 37.0
 
May 24, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.7 μg/m3 (49) 49.0
 
May 24, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.7 μg/m3 (49) 49.0
 
May 24, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
May 24, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (48) 48.0
 
May 24, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.7 μg/m3 (51) 51.0
 
May 24, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (48) 48.0
 
May 24, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (53) 53.0
 
May 24, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.6 μg/m3 (56) 56.0
 
May 24, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.2 μg/m3 (59) 59.0
 
May 24, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (54) 54.0
 
May 24, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.8 μg/m3 (52) 52.0
 
May 24, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (51) 51.0
 
May 24, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.7 μg/m3 (51) 51.0
 
May 24, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
May 24, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (54) 54.0
 
May 24, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.1 μg/m3 (57) 57.0
 
May 24, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (65) 65.0
 
May 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.3 μg/m3 (72) 72.0
 
May 24, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.8 μg/m3 (79) 79.0
 
May 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.9 μg/m3 (75) 75.0
 
May 24, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.1 μg/m3 (71) 71.0
 
May 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (61) 61.0
 
May 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (61) 61.0
 
May 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (54) 54.0
 
May 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.9 μg/m3 (54) 54.0
 
May 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.1 μg/m3 (54) 54.0
 
May 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (48) 48.0
 
May 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (40) 40.0
 
May 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
May 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (47) 47.0
 
May 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (53) 53.0
 
May 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.7 μg/m3 (62) 62.0
 
May 23, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.7 μg/m3 (66) 66.0
 
May 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.8 μg/m3 (67) 67.0
 
May 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (73) 73.0
 
May 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.5 μg/m3 (74) 74.0
 
May 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (99) 99.0
 
May 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.7 μg/m3 (113) 113.0
 
May 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.2 μg/m3 (93) 93.0
 
May 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.4 μg/m3 (91) 91.0
 
May 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (97) 97.0
 
May 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.3 μg/m3 (95) 95.0
 
May 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.6 μg/m3 (94) 94.0
 
May 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.3 μg/m3 (85) 85.0
 
May 23, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.4 μg/m3 (87) 87.0
 
May 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.8 μg/m3 (81) 81.0
 
May 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.4 μg/m3 (72) 72.0
 
May 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (73) 73.0
 
May 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.6 μg/m3 (73) 73.0
 
May 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.5 μg/m3 (72) 72.0
 
May 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.8 μg/m3 (75) 75.0
 
May 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.3 μg/m3 (74) 74.0
 
May 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.6 μg/m3 (77) 77.0
 
May 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.3 μg/m3 (89) 89.0
 
May 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.8 μg/m3 (121) 121.0
 
May 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 53.7 μg/m3 (146) 146.0
 
May 22, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 58.7 μg/m3 (152) 152.0
 
May 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 53.6 μg/m3 (145) 145.0
 
May 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 44.9 μg/m3 (124) 124.0
 
May 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 42.7 μg/m3 (118) 118.0
 
May 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.7 μg/m3 (113) 113.0
 
May 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.3 μg/m3 (107) 107.0
 
May 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.5 μg/m3 (96) 96.0
 
May 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (65) 65.0
 
May 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (42) 42.0
 
May 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (40) 40.0
 
May 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.8 μg/m3 (62) 62.0
 
May 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.3 μg/m3 (61) 61.0
 
May 22, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.6 μg/m3 (66) 66.0
 
May 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (71) 71.0
 
May 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.3 μg/m3 (57) 57.0
 
May 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.2 μg/m3 (55) 55.0
 
May 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
May 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (27) 27.0
 
May 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
May 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (10) 10.0
 
May 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.8 μg/m3 (3) 3.0
 
May 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (22) 22.0
 
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.9 μg/m3 (60) 60.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.6 μg/m3 (98) 98.0
 
May 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.3 μg/m3 (89) 89.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.7 μg/m3 (81) 81.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.8 μg/m3 (79) 79.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.4 μg/m3 (83) 83.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.7 μg/m3 (75) 75.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (66) 66.0
 
May 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.1 μg/m3 (63) 63.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.4 μg/m3 (70) 70.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.5 μg/m3 (70) 70.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.6 μg/m3 (56) 56.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (39) 39.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (42) 42.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.6 μg/m3 (40) 40.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (51) 51.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (44) 44.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.2 μg/m3 (50) 50.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (44) 44.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.9 μg/m3 (16) 16.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.8 μg/m3 (8) 8.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
May 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.2 μg/m3 (9) 9.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.1 μg/m3 (0) N/A
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.4 μg/m3 (2) 2.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 78.3 μg/m3 (162) 162.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.3 μg/m3 (100) 100.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.9 μg/m3 (92) 92.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.7 μg/m3 (86) 86.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.1 μg/m3 (84) 84.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.8 μg/m3 (81) 81.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.3 μg/m3 (83) 83.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.1 μg/m3 (84) 84.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.9 μg/m3 (84) 84.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.9 μg/m3 (86) 86.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.4 μg/m3 (85) 85.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.4 μg/m3 (85) 85.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.2 μg/m3 (87) 87.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.3 μg/m3 (91) 91.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.7 μg/m3 (98) 98.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.9 μg/m3 (94) 94.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.5 μg/m3 (98) 98.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.7 μg/m3 (96) 96.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.4 μg/m3 (85) 85.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (78) 78.0