ID: 2035

AQSQID: 460710001

Site Name: Badlands

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

Updated: April 10, 2021, 7:43 p.m.

Location: Interior (Ben Reifel Rd), SD

Reporting: True, Located: True

Current AQI: 11.0

Interior (Ben Reifel Rd) SD, US: 43.746944, -101.941109

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (11) 0.4 μg/m3 (2) 11.0
 
April 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (9) 1.6 μg/m3 (7) 9.0
 
April 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (9) 2.3 μg/m3 (10) 10.0
 
April 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (3) 2.1 μg/m3 (9) 9.0
 
April 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) 1.1 μg/m3 (5) 7.0
 
April 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (10) 1.1 μg/m3 (5) 10.0
 
April 10, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 4.9 μg/m3 (5) 0.2 μg/m3 (1) 5.0
 
April 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 1.6 μg/m3 (7) 7.0
 
April 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.8 μg/m3 (2) 0.0 μg/m3 (0) 2.0
 
April 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.3 μg/m3 (1) -0.9 μg/m3 (0) 1.0
 
April 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.3 μg/m3 (2) 0.0 μg/m3 (0) 2.0
 
April 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (3) 0.2 μg/m3 (1) 3.0
 
April 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (4) 1.6 μg/m3 (7) 7.0
 
April 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (6) 1.1 μg/m3 (5) 6.0
 
April 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (6) 0.1 μg/m3 (1) 6.0
 
April 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (4) 1.9 μg/m3 (8) 8.0
 
April 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) 1.9 μg/m3 (8) 8.0
 
April 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.8 μg/m3 (12) 1.9 μg/m3 (8) 12.0
 
April 10, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) 3.3 μg/m3 (14) 14.0
 
April 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (12) 3.8 μg/m3 (16) 16.0
 
April 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (6) 3.6 μg/m3 (16) 16.0
 
April 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.9 μg/m3 (14) 5.5 μg/m3 (23) 23.0
 
April 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
April 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (8) 6.7 μg/m3 (28) 28.0
 
April 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.8 μg/m3 (18) 8.9 μg/m3 (38) 38.0
 
April 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (7) 4.1 μg/m3 (18) 18.0
 
April 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.9 μg/m3 (12) 4.5 μg/m3 (19) 19.0
 
April 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.2 μg/m3 (12) 3.3 μg/m3 (14) 14.0
 
April 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (8) 2.8 μg/m3 (12) 12.0
 
April 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
April 9, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 14.2 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
April 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
April 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (11) 7.9 μg/m3 (33) 33.0
 
April 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.3 μg/m3 (18) 5.3 μg/m3 (23) 23.0
 
April 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.2 μg/m3 (21) 4.3 μg/m3 (18) 21.0
 
April 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 2.1 μg/m3 (9) 21.0
 
April 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.4 μg/m3 (35) 2.6 μg/m3 (11) 35.0
 
April 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.1 μg/m3 (52) 2.3 μg/m3 (10) 52.0
 
April 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (10) 0.4 μg/m3 (2) 10.0
 
April 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (12) 1.9 μg/m3 (8) 12.0
 
April 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (15) 1.9 μg/m3 (8) 15.0
 
April 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (10) 1.4 μg/m3 (6) 10.0
 
April 9, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (11) 2.8 μg/m3 (12) 12.0
 
April 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.8 μg/m3 (12) 3.3 μg/m3 (14) 14.0
 
April 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.3 μg/m3 (16) 3.8 μg/m3 (16) 16.0
 
April 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.8 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
April 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.2 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
April 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (20) 5.8 μg/m3 (25) 25.0
 
April 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (18) 5.8 μg/m3 (25) 25.0
 
April 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.8 μg/m3 (22) 4.3 μg/m3 (18) 22.0
 
April 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (17) 4.1 μg/m3 (18) 18.0
 
April 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.2 μg/m3 (13) 3.8 μg/m3 (16) 16.0
 
April 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.8 μg/m3 (18) 3.5 μg/m3 (15) 18.0
 
April 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.7 μg/m3 (12) 2.1 μg/m3 (9) 12.0
 
April 8, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (10) 2.3 μg/m3 (10) 10.0
 
April 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.7 μg/m3 (12) 1.1 μg/m3 (5) 12.0
 
April 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 0.9 μg/m3 (4) 10.0
 
April 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (8) 0.7 μg/m3 (3) 8.0
 
April 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (9) 2.3 μg/m3 (10) 10.0
 
April 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (10) 2.8 μg/m3 (12) 12.0
 
April 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (6) 2.3 μg/m3 (10) 10.0
 
April 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.6 μg/m3 (18) 1.1 μg/m3 (5) 18.0
 
April 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.6 μg/m3 (19) 2.6 μg/m3 (11) 19.0
 
April 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.6 μg/m3 (17) 4.1 μg/m3 (18) 18.0
 
April 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.4 μg/m3 (14) 1.6 μg/m3 (7) 14.0
 
April 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.9 μg/m3 (17) 2.6 μg/m3 (11) 17.0
 
April 8, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 15.7 μg/m3 (15) 2.3 μg/m3 (10) 15.0
 
April 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.6 μg/m3 (19) 4.3 μg/m3 (18) 19.0
 
April 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (15) 6.5 μg/m3 (28) 28.0
 
April 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.5 μg/m3 (14) 6.3 μg/m3 (27) 27.0
 
April 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.7 μg/m3 (24) 7.2 μg/m3 (31) 31.0
 
April 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 2.1 μg/m3 (9) 22.0
 
April 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.4 μg/m3 (14) 1.8 μg/m3 (8) 14.0
 
April 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 2.3 μg/m3 (10) 22.0
 
April 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.9 μg/m3 (17) 4.5 μg/m3 (19) 19.0
 
April 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.5 μg/m3 (19) 4.8 μg/m3 (20) 20.0
 
April 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.1 μg/m3 (18) 3.1 μg/m3 (13) 18.0
 
April 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (5) 3.8 μg/m3 (16) 16.0
 
April 7, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 1.8 μg/m3 (8) 8.0
 
April 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.7 μg/m3 (11) 2.6 μg/m3 (11) 11.0
 
April 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (5) 2.6 μg/m3 (11) 11.0
 
April 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) 1.1 μg/m3 (5) 6.0
 
April 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (9) 2.1 μg/m3 (9) 9.0
 
April 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.8 μg/m3 (14) 4.6 μg/m3 (20) 20.0
 
April 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 5.1 μg/m3 (22) 22.0
 
April 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 2.8 μg/m3 (12) 12.0
 
April 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 2.8 μg/m3 (12) 13.0
 
April 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (9) 2.8 μg/m3 (12) 12.0
 
April 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (8) 3.1 μg/m3 (13) 13.0
 
April 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.1 μg/m3 (18) 4.1 μg/m3 (18) 18.0
 
April 7, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 23.2 μg/m3 (22) 4.6 μg/m3 (20) 22.0
 
April 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.9 μg/m3 (14) 5.5 μg/m3 (23) 23.0
 
April 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 4.8 μg/m3 (20) 20.0
 
April 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.2 μg/m3 (13) 3.3 μg/m3 (14) 14.0
 
April 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.2 μg/m3 (11) 4.3 μg/m3 (18) 18.0
 
April 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.2 μg/m3 (12) 7.2 μg/m3 (31) 31.0
 
April 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.1 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
April 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.3 μg/m3 (18) 4.3 μg/m3 (18) 18.0
 
April 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.1 μg/m3 (16) 5.5 μg/m3 (23) 23.0
 
April 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.9 μg/m3 (14) 5.7 μg/m3 (24) 24.0
 
April 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.1 μg/m3 (19) 1.4 μg/m3 (6) 19.0
 
April 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.2 μg/m3 (30) 3.3 μg/m3 (14) 30.0
 
April 6, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 28.1 μg/m3 (27) 6.2 μg/m3 (26) 27.0
 
April 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.2 μg/m3 (21) 6.2 μg/m3 (26) 26.0
 
April 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.5 μg/m3 (31) 5.3 μg/m3 (23) 31.0
 
April 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.9 μg/m3 (21) 3.8 μg/m3 (16) 21.0
 
April 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.8 μg/m3 (19) -1.0 μg/m3 (0) 19.0
 
April 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.1 μg/m3 (26) -1.7 μg/m3 (0) 26.0
 
April 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.1 μg/m3 (17) 0.1 μg/m3 (1) 17.0
 
April 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (15) 2.3 μg/m3 (10) 15.0
 
April 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.7 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
April 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 6.5 μg/m3 (28) 28.0
 
April 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.3 μg/m3 (21) 3.6 μg/m3 (16) 21.0
 
April 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.6 μg/m3 (19) 6.2 μg/m3 (26) 26.0
 
April 6, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 6.0 μg/m3 (25) 33.0
 
April 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.5 μg/m3 (26) 3.1 μg/m3 (13) 26.0
 
April 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.8 μg/m3 (30) 5.5 μg/m3 (23) 30.0
 
April 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.8 μg/m3 (24) 5.5 μg/m3 (23) 24.0
 
April 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.3 μg/m3 (13) 1.4 μg/m3 (6) 13.0
 
April 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.9 μg/m3 (18) 2.3 μg/m3 (10) 18.0
 
April 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.8 μg/m3 (16) 4.3 μg/m3 (18) 18.0
 
April 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.1 μg/m3 (22) 5.5 μg/m3 (23) 23.0
 
April 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (12) 4.8 μg/m3 (20) 20.0
 
April 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.1 μg/m3 (27) 5.3 μg/m3 (23) 27.0
 
April 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.4 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
April 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.9 μg/m3 (14) 3.5 μg/m3 (15) 15.0
 
April 5, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.5 μg/m3 (22) 2.8 μg/m3 (12) 22.0
 
April 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (18) 2.6 μg/m3 (11) 18.0
 
April 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.9 μg/m3 (13) 1.6 μg/m3 (7) 13.0
 
April 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.7 μg/m3 (12) 2.1 μg/m3 (9) 12.0
 
April 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.9 μg/m3 (13) 0.0 μg/m3 (0) 13.0
 
April 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (5) -1.0 μg/m3 (0) 5.0
 
April 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 1.3 μg/m3 (6) 12.0
 
April 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 1.8 μg/m3 (8) 13.0
 
April 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.7 μg/m3 (13) 3.1 μg/m3 (13) 13.0
 
April 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (12) 4.5 μg/m3 (19) 19.0
 
April 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
April 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.9 μg/m3 (18) 2.6 μg/m3 (11) 18.0
 
April 5, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (12) 3.1 μg/m3 (13) 13.0
 
April 4, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.9 μg/m3 (12) 6.5 μg/m3 (28) 28.0
 
April 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.6 μg/m3 (16) 6.3 μg/m3 (27) 27.0
 
April 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (5) 0.9 μg/m3 (4) 5.0
 
April 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (8) 1.6 μg/m3 (7) 8.0
 
April 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (10) 3.6 μg/m3 (16) 16.0
 
April 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.3 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
April 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.1 μg/m3 (21) 8.2 μg/m3 (35) 35.0
 
April 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.5 μg/m3 (17) 8.9 μg/m3 (38) 38.0
 
April 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 9.2 μg/m3 (39) 39.0
 
April 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.5 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
April 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.4 μg/m3 (23) 5.3 μg/m3 (23) 23.0
 
April 4, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 20.8 μg/m3 (20) 6.2 μg/m3 (26) 26.0
 
April 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.2 μg/m3 (22) 1.9 μg/m3 (8) 22.0
 
April 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.6 μg/m3 (27) 3.3 μg/m3 (14) 27.0
 
April 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 5.5 μg/m3 (23) 28.0
 
April 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (17) 5.5 μg/m3 (23) 23.0
 
April 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.2 μg/m3 (22) 4.1 μg/m3 (18) 22.0
 
April 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (9) 3.5 μg/m3 (15) 15.0
 
April 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (15) 4.3 μg/m3 (18) 18.0
 
April 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
April 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.6 μg/m3 (19) 4.5 μg/m3 (19) 19.0
 
April 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.7 μg/m3 (18) 0.9 μg/m3 (4) 18.0
 
April 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.3 μg/m3 (24) 1.1 μg/m3 (5) 24.0
 
April 4, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 22.1 μg/m3 (21) 5.5 μg/m3 (23) 23.0
 
April 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.2 μg/m3 (17) 5.8 μg/m3 (25) 25.0
 
April 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.7 μg/m3 (17) 5.3 μg/m3 (23) 23.0
 
April 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.3 μg/m3 (16) 5.5 μg/m3 (23) 23.0
 
April 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.8 μg/m3 (15) 4.8 μg/m3 (20) 20.0
 
April 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.5 μg/m3 (25) 5.0 μg/m3 (21) 25.0