ID: 1495

AQSQID: 220550007

Site Name: Lafayette

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

Updated: Sept. 21, 2021, 4:07 p.m.

Location: Lafayette (Arbolada Addition), LA

Reporting: True, Located: True

Current AQI: 13.0

Lafayette (Arbolada Addition) LA, US: 30.2258, -92.042801

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A -0.4 μg/m3 (0) 13.0
 
Sept. 21, 2021, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 2.3 μg/m3 (10) 10.0
 
Sept. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 1.7 μg/m3 (8) 9.0
 
Sept. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A -1.2 μg/m3 (0) 13.0
 
Sept. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A -0.1 μg/m3 (0) 13.0
 
Sept. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 1.0 μg/m3 (5) 13.0
 
Sept. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 0.7 μg/m3 (3) 13.0
 
Sept. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 0.6 μg/m3 (3) 13.0
 
Sept. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 2.4 μg/m3 (10) 12.0
 
Sept. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 3.4 μg/m3 (15) 15.0
 
Sept. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 2.4 μg/m3 (10) 15.0
 
Sept. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 2.7 μg/m3 (12) 14.0
 
Sept. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 21, 2021, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 12.2 μg/m3 (52) 52.0
 
Sept. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 17.0 μg/m3 (62) 62.0
 
Sept. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 13.5 μg/m3 (54) 54.0
 
Sept. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 8.4 μg/m3 (36) 37.0
 
Sept. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.4 μg/m3 (19) 36.0
 
Sept. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.2 μg/m3 (26) 35.0
 
Sept. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 18.5 μg/m3 (65) 65.0
 
Sept. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A -1.0 μg/m3 (0) 36.0
 
Sept. 20, 2021, 4 p.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
 
Sept. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A -0.9 μg/m3 (0) 28.0
 
Sept. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 3.0 μg/m3 (13) 17.0
 
Sept. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 4.2 μg/m3 (18) 18.0
 
Sept. 20, 2021, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 4.9 μg/m3 (21) 21.0
 
Sept. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 0.1 μg/m3 (1) 2.0
 
Sept. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A -0.3 μg/m3 (0) 2.0
 
Sept. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 1.9 μg/m3 (8) 8.0
 
Sept. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 3.8 μg/m3 (16) 16.0
 
Sept. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A -1.9 μg/m3 (0) 10.0
 
Sept. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A -3.8 μg/m3 (0) 11.0
 
Sept. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 0.4 μg/m3 (2) 13.0
 
Sept. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 2.4 μg/m3 (10) 16.0
 
Sept. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 10.4 μg/m3 (44) 44.0
 
Sept. 20, 2021, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 8.2 μg/m3 (35) 35.0
 
Sept. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 15.5 μg/m3 (59) 59.0
 
Sept. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
Sept. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A -0.6 μg/m3 (0) 32.0
 
Sept. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 8.5 μg/m3 (36) 36.0
 
Sept. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.8 μg/m3 (16) 29.0
 
Sept. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.3 μg/m3 (14) 27.0
 
Sept. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A -4.8 μg/m3 (0) 25.0
 
Sept. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 0.1 μg/m3 (1) 21.0
 
Sept. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 0.3 μg/m3 (2) 20.0
 
Sept. 19, 2021, 2 p.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
 
Sept. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 1.1 μg/m3 (5) 13.0
 
Sept. 19, 2021, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 2.8 μg/m3 (12) 12.0
 
Sept. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 0.9 μg/m3 (4) 10.0
 
Sept. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 2.1 μg/m3 (9) 12.0
 
Sept. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 4.4 μg/m3 (19) 19.0
 
Sept. 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 6.3 μg/m3 (27) 27.0
 
Sept. 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 16.1 μg/m3 (60) 60.0
 
Sept. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 5.4 μg/m3 (23) 24.0
 
Sept. 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A -1.1 μg/m3 (0) 27.0
 
Sept. 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 2.5 μg/m3 (11) 27.0
 
Sept. 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 19, 2021, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 6.8 μg/m3 (29) 29.0
 
Sept. 18, 2021, 11 p.m. 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
 
Sept. 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -0.8 μg/m3 (0) 25.0
 
Sept. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.9 μg/m3 (13) 25.0
 
Sept. 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 7.3 μg/m3 (31) 31.0
 
Sept. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 8.2 μg/m3 (35) 35.0
 
Sept. 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 16.7 μg/m3 (61) 61.0
 
Sept. 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A -2.2 μg/m3 (0) 30.0
 
Sept. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A -0.1 μg/m3 (0) 24.0
 
Sept. 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A -0.5 μg/m3 (0) 17.0
 
Sept. 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A -0.5 μg/m3 (0) 12.0
 
Sept. 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 1.1 μg/m3 (5) 9.0
 
Sept. 18, 2021, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 2.1 μg/m3 (9) 9.0
 
Sept. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 3.7 μg/m3 (16) 16.0
 
Sept. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 3.6 μg/m3 (16) 16.0
 
Sept. 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A -3.6 μg/m3 (0) 8.0
 
Sept. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A -2.7 μg/m3 (0) 13.0
 
Sept. 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 6.8 μg/m3 (29) 29.0
 
Sept. 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 15.0 μg/m3 (58) 58.0
 
Sept. 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 6.3 μg/m3 (27) 27.0
 
Sept. 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 7.2 μg/m3 (31) 31.0
 
Sept. 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2021, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 11.1 μg/m3 (47) 47.0
 
Sept. 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.6 μg/m3 (11) 28.0
 
Sept. 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.8 μg/m3 (16) 31.0
 
Sept. 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.2 μg/m3 (18) 32.0
 
Sept. 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 23.4 μg/m3 (75) 75.0
 
Sept. 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.2 μg/m3 (22) 31.0
 
Sept. 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 6.6 μg/m3 (28) 29.0
 
Sept. 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 0.4 μg/m3 (2) 26.0
 
Sept. 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 4.3 μg/m3 (18) 24.0
 
Sept. 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 2.5 μg/m3 (11) 14.0
 
Sept. 17, 2021, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 0.3 μg/m3 (2) 6.0
 
Sept. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A -0.2 μg/m3 (0) 5.0
 
Sept. 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 12.0
 
Sept. 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 14.0
 
Sept. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 0.9 μg/m3 (4) 16.0
 
Sept. 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 0.4 μg/m3 (2) 18.0
 
Sept. 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 25.5 μg/m3 (80) 80.0
 
Sept. 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 0.4 μg/m3 (2) 18.0
 
Sept. 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A -2.3 μg/m3 (0) 17.0
 
Sept. 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A -3.5 μg/m3 (0) 19.0
 
Sept. 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 0.8 μg/m3 (4) 18.0
 
Sept. 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
Sept. 17, 2021, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -1.8 μg/m3 (0) 25.0
 
Sept. 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -0.1 μg/m3 (0) 25.0
 
Sept. 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.8 μg/m3 (8) 26.0
 
Sept. 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.8 μg/m3 (12) 26.0
 
Sept. 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.6 μg/m3 (20) 25.0
 
Sept. 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 7.6 μg/m3 (32) 32.0
 
Sept. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -0.7 μg/m3 (0) 0.0
Sept. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (8) 8.0
 
Sept. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
Sept. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 0.4 μg/m3 (2) 11.0
 
Sept. 16, 2021, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 0.8 μg/m3 (4) 5.0
 
Sept. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 0.7 μg/m3 (3) 5.0
 
Sept. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A -2.0 μg/m3 (0) 8.0
 
Sept. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A -3.4 μg/m3 (0) 9.0
 
Sept. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 9.0
 
Sept. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -4.4 μg/m3 (0) 0.0
Sept. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 7.2 μg/m3 (31) 31.0
 
Sept. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A -3.8 μg/m3 (0) 10.0
 
Sept. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A -0.8 μg/m3 (0) 12.0
 
Sept. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 0.5 μg/m3 (3) 13.0
 
Sept. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A -1.4 μg/m3 (0) 16.0
 
Sept. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A -1.6 μg/m3 (0) 15.0
 
Sept. 16, 2021, midnight N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A -0.4 μg/m3 (0) 16.0
 
Sept. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
Sept. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A -2.5 μg/m3 (0) 24.0
 
Sept. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A -2.9 μg/m3 (0) 28.0
 
Sept. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A -0.1 μg/m3 (0) 26.0
 
Sept. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A -1.4 μg/m3 (0) 23.0
 
Sept. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -4.0 μg/m3 (0) 25.0
 
Sept. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -3.9 μg/m3 (0) 25.0
 
Sept. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A -3.7 μg/m3 (0) 23.0
 
Sept. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A -2.1 μg/m3 (0) 18.0
 
Sept. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A -0.6 μg/m3 (0) 15.0
 
Sept. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A -1.5 μg/m3 (0) 14.0
 
Sept. 15, 2021, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A -3.1 μg/m3 (0) 12.0
 
Sept. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 0.1 μg/m3 (1) 14.0
 
Sept. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 0.1 μg/m3 (1) 13.0
 
Sept. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A -4.0 μg/m3 (0) 14.0
 
Sept. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A -3.0 μg/m3 (0) 18.0
 
Sept. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 11.3 μg/m3 (48) 48.0
 
Sept. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 2.6 μg/m3 (11) 17.0
 
Sept. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
Sept. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A -2.3 μg/m3 (0) 19.0
 
Sept. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A -3.7 μg/m3 (0) 20.0
 
Sept. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A -1.7 μg/m3 (0) 20.0
 
Sept. 15, 2021, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A -0.1 μg/m3 (0) 20.0
 
Sept. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 3.1 μg/m3 (13) 20.0
 
Sept. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 2.4 μg/m3 (10) 21.0
 
Sept. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A -3.9 μg/m3 (0) 21.0
 
Sept. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A -0.1 μg/m3 (0) 22.0
 
Sept. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 0.1 μg/m3 (1) 22.0
 
Sept. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A -1.9 μg/m3 (0) 21.0
 
Sept. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A -1.6 μg/m3 (0) 21.0
 
Sept. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 3.9 μg/m3 (17) 21.0
 
Sept. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A -1.3 μg/m3 (0) 23.0
 
Sept. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A -0.7 μg/m3 (0) 20.0
 
Sept. 14, 2021, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 1.3 μg/m3 (6) 18.0