ID: 2035

AQSQID: 460710001

Site Name: Badlands

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

Updated: Oct. 17, 2021, 4:06 a.m.

Location: Interior (Ben Reifel Rd), SD

Reporting: True, Located: True

Current AQI: 29.0

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
Oct. 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 4.0 μg/m3 (4) 1.5 μg/m3 (7) 29.0
 
Oct. 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 6.0 μg/m3 (6) 3.2 μg/m3 (14) 34.0
 
Oct. 17, 2021, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 5.0 μg/m3 (5) 3.7 μg/m3 (16) 37.0
 
Oct. 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 6.0 μg/m3 (6) 3.7 μg/m3 (16) 38.0
 
Oct. 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 8.0 μg/m3 (8) 3.7 μg/m3 (16) 41.0
 
Oct. 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 5.0 μg/m3 (5) 1.7 μg/m3 (8) 41.0
 
Oct. 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 9.0 μg/m3 (9) 1.9 μg/m3 (8) 40.0
 
Oct. 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 9.0 μg/m3 (9) 3.9 μg/m3 (17) 39.0
 
Oct. 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 7.0 μg/m3 (7) 7.5 μg/m3 (32) 37.0
 
Oct. 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 4.0 μg/m3 (4) 3.7 μg/m3 (16) 30.0
 
Oct. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 5.0 μg/m3 (5) 3.3 μg/m3 (14) 25.0
 
Oct. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 5.0 μg/m3 (5) 1.3 μg/m3 (6) 24.0
 
Oct. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 4.0 μg/m3 (4) 3.9 μg/m3 (17) 23.0
 
Oct. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 24.0
 
Oct. 16, 2021, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 5.0 μg/m3 (5) 2.7 μg/m3 (12) 24.0
 
Oct. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 6.0 μg/m3 (6) 3.2 μg/m3 (14) 25.0
 
Oct. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 6.0 μg/m3 (6) 4.2 μg/m3 (18) 25.0
 
Oct. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 3.0 μg/m3 (3) 6.9 μg/m3 (29) 29.0
 
Oct. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 5.0 μg/m3 (5) 4.5 μg/m3 (19) 26.0
 
Oct. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 4.0 μg/m3 (4) 2.5 μg/m3 (11) 27.0
 
Oct. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 27.0
 
Oct. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 6.0 μg/m3 (6) 4.5 μg/m3 (19) 28.0
 
Oct. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 4.0 μg/m3 (4) 3.7 μg/m3 (16) 26.0
 
Oct. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 3.0 μg/m3 (3) 5.6 μg/m3 (24) 25.0
 
Oct. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 2.0 μg/m3 (2) 5.7 μg/m3 (24) 32.0
 
Oct. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 2.0 μg/m3 (2) 3.5 μg/m3 (15) 34.0
 
Oct. 16, 2021, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 35.0
 
Oct. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 8.0 μg/m3 (8) 6.4 μg/m3 (27) 37.0
 
Oct. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 10.0 μg/m3 (10) -1.5 μg/m3 (0) 38.0
 
Oct. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 10.0 μg/m3 (10) 1.0 μg/m3 (5) 38.0
 
Oct. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 7.0 μg/m3 (7) 5.5 μg/m3 (23) 37.0
 
Oct. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 10.0 μg/m3 (10) 3.7 μg/m3 (16) 36.0
 
Oct. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 34.0
 
Oct. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 6.0 μg/m3 (6) 2.4 μg/m3 (10) 32.0
 
Oct. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 3.0 μg/m3 (3) -0.1 μg/m3 (0) 30.0
 
Oct. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 5.0 μg/m3 (5) 2.4 μg/m3 (10) 27.0
 
Oct. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 6.0 μg/m3 (6) 2.7 μg/m3 (12) 22.0
 
Oct. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 6.0 μg/m3 (6) 1.7 μg/m3 (8) 21.0
 
Oct. 15, 2021, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 9.0 μg/m3 (9) 2.5 μg/m3 (11) 20.0
 
Oct. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 3.0 μg/m3 (3) 0.8 μg/m3 (4) 22.0
 
Oct. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 6.0 μg/m3 (6) 2.4 μg/m3 (10) 21.0
 
Oct. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 6.0 μg/m3 (6) 5.9 μg/m3 (25) 25.0
 
Oct. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 8.0 μg/m3 (8) 6.4 μg/m3 (27) 27.0
 
Oct. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 7.0 μg/m3 (7) 3.5 μg/m3 (15) 17.0
 
Oct. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 5.0 μg/m3 (5) 1.1 μg/m3 (5) 17.0
 
Oct. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 7.0 μg/m3 (7) 1.9 μg/m3 (8) 24.0
 
Oct. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 7.0 μg/m3 (7) 1.0 μg/m3 (5) 23.0
 
Oct. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 5.0 μg/m3 (5) -0.3 μg/m3 (0) 25.0
 
Oct. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 7.0 μg/m3 (7) 0.5 μg/m3 (3) 30.0
 
Oct. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 6.0 μg/m3 (6) -1.1 μg/m3 (0) 30.0
 
Oct. 15, 2021, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 8.0 μg/m3 (8) 0.1 μg/m3 (1) 31.0
 
Oct. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 5.0 μg/m3 (5) 0.9 μg/m3 (4) 32.0
 
Oct. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 7.0 μg/m3 (7) 0.2 μg/m3 (1) 33.0
 
Oct. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 6.0 μg/m3 (6) 2.4 μg/m3 (10) 33.0
 
Oct. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 2.0 μg/m3 (2) 4.9 μg/m3 (21) 33.0
 
Oct. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 4.0 μg/m3 (4) 5.2 μg/m3 (22) 34.0
 
Oct. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 8.0 μg/m3 (8) 5.4 μg/m3 (23) 33.0
 
Oct. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 10.0 μg/m3 (10) 3.4 μg/m3 (15) 30.0
 
Oct. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 2.0 μg/m3 (2) 1.1 μg/m3 (5) 28.0
 
Oct. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 7.0 μg/m3 (7) 3.4 μg/m3 (15) 25.0
 
Oct. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 7.0 μg/m3 (7) 3.4 μg/m3 (15) 20.0
 
Oct. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 4.0 μg/m3 (4) 0.1 μg/m3 (1) 18.0
 
Oct. 14, 2021, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 6.0 μg/m3 (6) 0.7 μg/m3 (3) 18.0
 
Oct. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 1.0 μg/m3 (1) 1.4 μg/m3 (6) 20.0
 
Oct. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 21.0
 
Oct. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 5.0 μg/m3 (5) 1.3 μg/m3 (6) 21.0
 
Oct. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 6.0 μg/m3 (6) -0.8 μg/m3 (0) 21.0
 
Oct. 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (9) 25.0
 
Oct. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 1.0 μg/m3 (1) 4.7 μg/m3 (20) 23.0
 
Oct. 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 2.0 μg/m3 (2) 2.7 μg/m3 (12) 28.0
 
Oct. 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 6.0 μg/m3 (6) 2.4 μg/m3 (10) 33.0
 
Oct. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 8.0 μg/m3 (8) 4.9 μg/m3 (21) 32.0
 
Oct. 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 2.0 μg/m3 (2) 5.9 μg/m3 (25) 30.0
 
Oct. 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 5.0 μg/m3 (5) 8.3 μg/m3 (35) 35.0
 
Oct. 14, 2021, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 6.0 μg/m3 (6) 13.7 μg/m3 (55) 55.0
 
Oct. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 17.0 μg/m3 (16) 13.0 μg/m3 (53) 53.0
 
Oct. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 7.0 μg/m3 (7) 2.7 μg/m3 (12) 25.0
 
Oct. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 5.0 μg/m3 (5) 24.5 μg/m3 (78) 78.0
 
Oct. 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 5.0 μg/m3 (5) 8.3 μg/m3 (35) 35.0
 
Oct. 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 9.0 μg/m3 (9) 4.7 μg/m3 (20) 22.0
 
Oct. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 8.0 μg/m3 (8) 5.3 μg/m3 (23) 23.0
 
Oct. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 5.0 μg/m3 (5) 4.3 μg/m3 (18) 19.0
 
Oct. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 6.0 μg/m3 (6) 5.2 μg/m3 (22) 22.0
 
Oct. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 4.0 μg/m3 (4) 2.7 μg/m3 (12) 18.0
 
Oct. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 4.0 μg/m3 (4) 2.2 μg/m3 (10) 17.0
 
Oct. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 6.0 μg/m3 (6) 3.3 μg/m3 (14) 20.0
 
Oct. 13, 2021, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 0.0 μg/m3 (0) 3.2 μg/m3 (14) 25.0
 
Oct. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 6.0 μg/m3 (6) 5.2 μg/m3 (22) 25.0
 
Oct. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 13.0 μg/m3 (13) 8.9 μg/m3 (38) 38.0
 
Oct. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 11.0 μg/m3 (11) 6.4 μg/m3 (27) 27.0
 
Oct. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 15.0 μg/m3 (14) 4.7 μg/m3 (20) 26.0
 
Oct. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 13.0 μg/m3 (13) 9.2 μg/m3 (39) 39.0
 
Oct. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 13.0 μg/m3 (13) 12.1 μg/m3 (51) 51.0
 
Oct. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 14.0 μg/m3 (13) 9.9 μg/m3 (42) 42.0
 
Oct. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 15.0 μg/m3 (14) 11.4 μg/m3 (48) 48.0
 
Oct. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 11.0 μg/m3 (11) 5.7 μg/m3 (24) 24.0
 
Oct. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 8.0 μg/m3 (8) 6.4 μg/m3 (27) 27.0
 
Oct. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 14.0 μg/m3 (13) 10.1 μg/m3 (43) 43.0
 
Oct. 13, 2021, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 16.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
Oct. 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 10.0 μg/m3 (10) 4.5 μg/m3 (19) 22.0
 
Oct. 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 237.0 μg/m3 (142) 8.3 μg/m3 (35) 142.0
 
Oct. 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 280.0 μg/m3 (164) 9.6 μg/m3 (40) 164.0
 
Oct. 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 13.0 μg/m3 (13) 2.7 μg/m3 (12) 23.0
 
Oct. 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 12.0 μg/m3 (12) 5.4 μg/m3 (23) 23.0
 
Oct. 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 3.5 μg/m3 (15) 17.0
 
Oct. 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 1.7 μg/m3 (8) 15.0
 
Oct. 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 5.9 μg/m3 (25) 25.0
 
Oct. 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 16.0 μg/m3 (15) 4.1 μg/m3 (18) 22.0
 
Oct. 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 9.0 μg/m3 (9) 6.6 μg/m3 (28) 28.0
 
Oct. 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 8.0 μg/m3 (8) 6.2 μg/m3 (26) 26.0
 
Oct. 12, 2021, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 8.0 μg/m3 (8) 1.1 μg/m3 (5) 22.0
 
Oct. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 18.0 μg/m3 (17) 1.4 μg/m3 (6) 23.0
 
Oct. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 10.0 μg/m3 (10) 3.2 μg/m3 (14) 24.0
 
Oct. 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 9.0 μg/m3 (9) 2.5 μg/m3 (11) 25.0
 
Oct. 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 22.0 μg/m3 (21) -1.3 μg/m3 (0) 25.0
 
Oct. 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 19.0 μg/m3 (18) -1.6 μg/m3 (0) 25.0
 
Oct. 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 19.0 μg/m3 (18) -0.7 μg/m3 (0) 25.0
 
Oct. 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 7.0 μg/m3 (7) 0.5 μg/m3 (3) 26.0
 
Oct. 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 19.0 μg/m3 (18) 2.7 μg/m3 (12) 29.0
 
Oct. 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 8.0 μg/m3 (8) 4.7 μg/m3 (20) 31.0
 
Oct. 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 28.0 μg/m3 (26) 3.2 μg/m3 (14) 32.0
 
Oct. 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 27.0 μg/m3 (25) 1.8 μg/m3 (8) 34.0
 
Oct. 12, 2021, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 17.0 μg/m3 (16) 0.6 μg/m3 (3) 35.0
 
Oct. 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 22.0 μg/m3 (21) -1.6 μg/m3 (0) 38.0
 
Oct. 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 18.0 μg/m3 (17) 0.4 μg/m3 (2) 38.0
 
Oct. 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 24.0 μg/m3 (23) 1.7 μg/m3 (8) 38.0
 
Oct. 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 32.0 μg/m3 (30) 3.3 μg/m3 (14) 35.0
 
Oct. 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 27.0 μg/m3 (25) 15.1 μg/m3 (58) 58.0
 
Oct. 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 12.0 μg/m3 (12) 26.1 μg/m3 (81) 81.0
 
Oct. 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 7.0 μg/m3 (7) N/A 28.0
 
Oct. 11, 2021, 4 p.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
 
Oct. 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 9.0 μg/m3 (9) 5.4 μg/m3 (23) 23.0
 
Oct. 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 9.0 μg/m3 (9) 4.1 μg/m3 (18) 18.0
 
Oct. 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 5.0 μg/m3 (5) 1.9 μg/m3 (8) 17.0
 
Oct. 11, 2021, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 10.0 μg/m3 (10) 2.9 μg/m3 (13) 20.0
 
Oct. 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 8.0 μg/m3 (8) 4.1 μg/m3 (18) 19.0
 
Oct. 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 9.0 μg/m3 (9) 2.5 μg/m3 (11) 18.0
 
Oct. 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 8.0 μg/m3 (8) -1.4 μg/m3 (0) 21.0
 
Oct. 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 11.0 μg/m3 (11) -1.6 μg/m3 (0) 20.0
 
Oct. 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 5.0 μg/m3 (5) 0.1 μg/m3 (1) 15.0
 
Oct. 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 3.0 μg/m3 (3) -0.1 μg/m3 (0) 15.0
 
Oct. 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 0.0 μg/m3 (0) 2.1 μg/m3 (9) 21.0
 
Oct. 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 1.0 μg/m3 (1) 3.4 μg/m3 (15) 29.0
 
Oct. 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 6.0 μg/m3 (6) 2.5 μg/m3 (11) 26.0
 
Oct. 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 7.0 μg/m3 (7) 4.4 μg/m3 (19) 31.0
 
Oct. 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 6.0 μg/m3 (6) 3.1 μg/m3 (13) 34.0
 
Oct. 11, 2021, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 10.0 μg/m3 (10) 3.7 μg/m3 (16) 36.0
 
Oct. 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 15.0 μg/m3 (14) 1.0 μg/m3 (5) 38.0
 
Oct. 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 8.0 μg/m3 (8) 3.3 μg/m3 (14) 40.0
 
Oct. 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 17.0 μg/m3 (16) 4.7 μg/m3 (20) 40.0
 
Oct. 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 13.0 μg/m3 (13) 7.1 μg/m3 (30) 40.0
 
Oct. 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 17.0 μg/m3 (16) 9.9 μg/m3 (42) 42.0
 
Oct. 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 33.0 μg/m3 (31) 15.5 μg/m3 (59) 59.0
 
Oct. 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 28.0 μg/m3 (26) 16.5 μg/m3 (61) 61.0
 
Oct. 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 24.0 μg/m3 (23) 18.4 μg/m3 (65) 65.0
 
Oct. 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 17.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Oct. 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 23.0 μg/m3 (22) 18.0 μg/m3 (64) 64.0
 
Oct. 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 34.0 μg/m3 (32) 17.4 μg/m3 (63) 63.0
 
Oct. 10, 2021, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 25.0 μg/m3 (24) 18.6 μg/m3 (65) 65.0
 
Oct. 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 18.0 μg/m3 (17) 17.4 μg/m3 (63) 63.0
 
Oct. 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 17.0 μg/m3 (16) 11.4 μg/m3 (48) 48.0
 
Oct. 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 18.0 μg/m3 (17) 8.6 μg/m3 (36) 36.0
 
Oct. 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 10.0 μg/m3 (10) 9.3 μg/m3 (39) 39.0
 
Oct. 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 18.0 μg/m3 (17) 8.3 μg/m3 (35) 35.0
 
Oct. 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 3.0 μg/m3 (3) 2.2 μg/m3 (10) 17.0
 
Oct. 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A -1.0 μg/m3 (0) -1.8 μg/m3 (0) 11.0
 
Oct. 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 0.0 μg/m3 (0) -0.3 μg/m3 (0) 16.0
 
Oct. 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 1.0 μg/m3 (1) 2.5 μg/m3 (11) 14.0