ID: 801

AQSQID: 481410044

Site Name: Chamizal C41

Added: April 21, 2020, 6:24 p.m.

Updated: July 25, 2021, 8:55 a.m.

Location: El Paso (Central), TX

Reporting: True, Located: True

Current AQI: 31.0

El Paso (Central) TX, US: 31.7656, -106.455

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
July 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A -2.0 μg/m3 (0) 33.0
 
July 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) 0.0
July 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.0 μg/m3 (13) 42.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 2.0 μg/m3 (9) 44.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 3.0 μg/m3 (13) 46.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 7.0 μg/m3 (30) 51.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 1.0 μg/m3 (5) 55.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 0.0 μg/m3 (0) 61.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 2.0 μg/m3 (9) 58.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 3.0 μg/m3 (13) 58.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 3.0 μg/m3 (13) 65.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 2.0 μg/m3 (9) 61.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 4.0 μg/m3 (17) 55.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 7.0 μg/m3 (30) 38.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.0 μg/m3 (9) 30.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 0.0 μg/m3 (0) 23.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 3.0 μg/m3 (13) 16.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 5.0 μg/m3 (21) 41.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 4.0 μg/m3 (17) 51.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.0 μg/m3 (17) 43.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 7.0 μg/m3 (30) 44.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 9.0 μg/m3 (38) 48.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A N/A N/A 87.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A N/A 2.0 μg/m3 (9) 91.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A N/A 5.0 μg/m3 (21) 84.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A N/A 4.0 μg/m3 (17) 84.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A N/A 4.0 μg/m3 (17) 87.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A N/A 6.0 μg/m3 (25) 87.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 7.0 μg/m3 (30) 61.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 8.0 μg/m3 (34) 55.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 5.0 μg/m3 (21) 44.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.0 μg/m3 (25) 36.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 6.0 μg/m3 (25) 58.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 5.0 μg/m3 (21) 44.0
 
July 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 8.0 μg/m3 (34) 42.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 7.0 μg/m3 (30) 48.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 12.0 μg/m3 (50) 71.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 9.0 μg/m3 (38) 74.0
 
July 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A N/A 55.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 10.0 μg/m3 (42) 50.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 7.0 μg/m3 (30) 61.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 8.0 μg/m3 (34) 74.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A N/A 8.0 μg/m3 (34) 94.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A N/A 11.0 μg/m3 (46) 91.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 9.0 μg/m3 (38) 49.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 8.0 μg/m3 (34) 39.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 8.0 μg/m3 (34) 42.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 9.0 μg/m3 (38) 49.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 7.0 μg/m3 (30) 49.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 9.0 μg/m3 (38) 50.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 11.0 μg/m3 (46) 50.0
 
July 22, 2021, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 6.0 μg/m3 (25) 49.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 7.0 μg/m3 (30) 55.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 9.0 μg/m3 (38) 68.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 8.0 μg/m3 (34) 61.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 4.0 μg/m3 (17) 71.0
 
July 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 6.0 μg/m3 (25) 74.0
 
July 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 10.0 μg/m3 (42) 55.0
 
July 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 21, 2021, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 10.0 μg/m3 (42) 43.0
 
July 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 10.0 μg/m3 (42) 43.0
 
July 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 6.0 μg/m3 (25) 47.0
 
July 21, 2021, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 6.0 μg/m3 (25) 50.0
 
July 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 6.0 μg/m3 (25) 50.0
 
July 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 5.0 μg/m3 (21) 50.0
 
July 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 8.0 μg/m3 (34) 46.0
 
July 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 6.0 μg/m3 (25) 49.0
 
July 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
July 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
July 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
July 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A N/A 34.0
 
July 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
July 20, 2021, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
July 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 30.0
 
July 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
July 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
July 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
July 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
July 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
July 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A N/A 22.0
 
July 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
July 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
July 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
July 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
July 20, 2021, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
July 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 6.0 μg/m3 (25) 41.0
 
July 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 6.0 μg/m3 (25) 51.0
 
July 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 6.0 μg/m3 (25) 55.0
 
July 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 6.0 μg/m3 (25) 45.0
 
July 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
July 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.0 μg/m3 (0) 34.0
 
July 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.0 μg/m3 (0) 36.0
 
July 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
July 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
July 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 19, 2021, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A -1.0 μg/m3 (0) 21.0
 
July 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -3.0 μg/m3 (0) 25.0
 
July 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
July 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
July 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -1.0 μg/m3 (0) 25.0
 
July 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
July 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 2.0 μg/m3 (9) 21.0
 
July 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
July 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
July 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A -2.0 μg/m3 (0) 29.0
 
July 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A -3.0 μg/m3 (0) 32.0
 
July 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A -3.0 μg/m3 (0) 34.0
 
July 19, 2021, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A -1.0 μg/m3 (0) 31.0
 
July 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
July 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
July 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 2.0 μg/m3 (9) 47.0
 
July 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 2.0 μg/m3 (9) 47.0
 
July 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 1.0 μg/m3 (5) 43.0
 
July 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.0 μg/m3 (5) 41.0
 
July 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
July 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
July 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
July 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
July 18, 2021, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
July 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
July 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 7.0 μg/m3 (30) 32.0
 
July 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
July 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
July 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 9.0 μg/m3 (38) 38.0