AQSQID: 460710001

Site Name: Badlands

Location: Interior (Ben Reifel Rd), SD

Reporting: True, Located: True

Current AQI: 28.0

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 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 2.0 μg/m3 (2) 3.7 μg/m3 (15) 28.0
 
April 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 0.0 μg/m3 (0) 1.5 μg/m3 (6) 30.0
 
April 4, 2020, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 2.0 μg/m3 (2) 1.0 μg/m3 (4) 32.0
 
April 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 3.0 μg/m3 (3) 1.5 μg/m3 (6) 32.0
 
April 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 8.0 μg/m3 (7) 4.4 μg/m3 (18) 32.0
 
April 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 9.0 μg/m3 (8) 8.1 μg/m3 (34) 34.0
 
April 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 7.0 μg/m3 (6) 5.1 μg/m3 (21) 33.0
 
April 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 10.0 μg/m3 (9) 4.2 μg/m3 (18) 33.0
 
April 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 6.0 μg/m3 (5) 4.9 μg/m3 (20) 32.0
 
April 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 8.0 μg/m3 (7) 5.9 μg/m3 (25) 32.0
 
April 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 4.0 μg/m3 (4) 4.9 μg/m3 (20) 32.0
 
April 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 8.0 μg/m3 (7) 5.1 μg/m3 (21) 31.0
 
April 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 13.0 μg/m3 (12) 4.4 μg/m3 (18) 30.0
 
April 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 12.0 μg/m3 (11) 4.1 μg/m3 (17) 29.0
 
April 3, 2020, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 7.0 μg/m3 (6) 2.9 μg/m3 (12) 28.0
 
April 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 4.0 μg/m3 (4) 3.9 μg/m3 (16) 29.0
 
April 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 5.0 μg/m3 (5) 5.1 μg/m3 (21) 29.0
 
April 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 7.0 μg/m3 (6) 1.9 μg/m3 (8) 29.0
 
April 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 7.0 μg/m3 (6) 1.7 μg/m3 (7) 28.0
 
April 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 6.0 μg/m3 (5) 4.1 μg/m3 (17) 31.0
 
April 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 9.0 μg/m3 (8) 5.8 μg/m3 (24) 32.0
 
April 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 2.0 μg/m3 (2) 3.1 μg/m3 (13) 31.0
 
April 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 6.0 μg/m3 (5) 1.4 μg/m3 (6) 31.0
 
April 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 9.0 μg/m3 (8) 2.4 μg/m3 (10) 32.0
 
April 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 7.0 μg/m3 (6) 2.2 μg/m3 (9) 32.0
 
April 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 12.0 μg/m3 (11) 2.4 μg/m3 (10) 31.0
 
April 3, 2020, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 8.0 μg/m3 (7) 2.4 μg/m3 (10) 31.0
 
April 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 13.0 μg/m3 (12) 4.6 μg/m3 (19) 30.0
 
April 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 11.0 μg/m3 (10) 5.6 μg/m3 (23) 30.0
 
April 2, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 8.0 μg/m3 (7) 3.4 μg/m3 (14) 30.0
 
April 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 14.0 μg/m3 (13) 4.1 μg/m3 (17) 29.0
 
April 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 16.0 μg/m3 (15) 4.1 μg/m3 (17) 28.0
 
April 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 10.0 μg/m3 (9) 3.1 μg/m3 (13) 28.0
 
April 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 8.0 μg/m3 (7) 1.4 μg/m3 (6) 26.0
 
April 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 17.0 μg/m3 (15) 1.7 μg/m3 (7) 26.0
 
April 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 11.0 μg/m3 (10) 3.1 μg/m3 (13) 27.0
 
April 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 8.0 μg/m3 (7) 3.1 μg/m3 (13) 25.0
 
April 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 13.0 μg/m3 (12) 4.1 μg/m3 (17) 25.0
 
April 2, 2020, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 9.0 μg/m3 (8) 4.1 μg/m3 (17) 24.0
 
April 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 7.0 μg/m3 (6) 1.7 μg/m3 (7) 23.0
 
April 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 7.0 μg/m3 (6) 1.9 μg/m3 (8) 22.0
 
April 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 32.0 μg/m3 (29) 2.7 μg/m3 (11) 29.0
 
April 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 6.0 μg/m3 (5) -3.1 μg/m3 (0) 23.0
 
April 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 8.0 μg/m3 (7) -4.0 μg/m3 (0) 23.0
 
April 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 5.0 μg/m3 (5) 3.4 μg/m3 (14) 22.0
 
April 2, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 8.0 μg/m3 (7) 5.6 μg/m3 (23) 23.0
 
April 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 10.0 μg/m3 (9) 4.4 μg/m3 (18) 21.0
 
April 2, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 25.0 μg/m3 (23) 2.4 μg/m3 (10) 23.0
 
April 2, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 9.0 μg/m3 (8) 2.2 μg/m3 (9) 20.0
 
April 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 13.0 μg/m3 (12) -0.4 μg/m3 (0) 19.0
 
April 2, 2020, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 10.0 μg/m3 (9) -0.6 μg/m3 (0) 20.0
 
April 1, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 12.0 μg/m3 (11) -0.4 μg/m3 (0) 20.0
 
April 1, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 11.0 μg/m3 (10) 1.2 μg/m3 (5) 20.0
 
April 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 6.0 μg/m3 (5) 3.9 μg/m3 (16) 16.0
 
April 1, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 10.0 μg/m3 (9) 5.9 μg/m3 (25) 25.0
 
April 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 4.0 μg/m3 (4) 6.6 μg/m3 (28) 28.0
 
April 1, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 78.0 μg/m3 (62) 4.2 μg/m3 (18) 62.0
 
April 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 26.0 μg/m3 (24) 4.4 μg/m3 (18) 24.0
 
April 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 17.0 μg/m3 (15) 1.2 μg/m3 (5) 22.0
 
April 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 18.0 μg/m3 (16) 0.5 μg/m3 (2) 18.0
 
April 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 6.0 μg/m3 (5) 3.7 μg/m3 (15) 17.0
 
April 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 11.0 μg/m3 (10) 5.6 μg/m3 (23) 23.0
 
April 1, 2020, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 6.0 μg/m3 (5) 3.2 μg/m3 (13) 17.0
 
April 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 11.0 μg/m3 (10) 2.7 μg/m3 (11) 13.0
 
April 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 10.0 μg/m3 (9) 2.2 μg/m3 (9) 16.0
 
April 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 7.0 μg/m3 (6) 3.9 μg/m3 (16) 17.0
 
April 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 3.0 μg/m3 (3) 6.1 μg/m3 (25) 25.0
 
April 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 0.0 μg/m3 (0) 2.9 μg/m3 (12) 22.0
 
April 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 2.0 μg/m3 (2) 1.5 μg/m3 (6) 25.0
 
April 1, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 57.0 μg/m3 (51) 1.7 μg/m3 (7) 51.0
 
April 1, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 7.0 μg/m3 (6) 5.4 μg/m3 (23) 34.0
 
April 1, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 10.0 μg/m3 (9) 7.8 μg/m3 (32) 35.0
 
April 1, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 7.0 μg/m3 (6) 3.4 μg/m3 (14) 37.0
 
April 1, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 11.0 μg/m3 (10) 3.2 μg/m3 (13) 38.0
 
April 1, 2020, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 10.0 μg/m3 (9) 2.5 μg/m3 (10) 36.0
 
March 31, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 8.0 μg/m3 (7) -1.6 μg/m3 (0) 37.0
 
March 31, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 6.0 μg/m3 (5) 0.3 μg/m3 (1) 37.0
 
March 31, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 5.0 μg/m3 (5) 3.7 μg/m3 (15) 37.0
 
March 31, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 9.0 μg/m3 (8) 2.9 μg/m3 (12) 37.0
 
March 31, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 12.0 μg/m3 (11) 3.7 μg/m3 (15) 36.0
 
March 31, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 7.0 μg/m3 (6) 3.7 μg/m3 (15) 29.0
 
March 31, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 12.0 μg/m3 (11) 5.2 μg/m3 (22) 28.0
 
March 31, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 12.0 μg/m3 (11) 3.9 μg/m3 (16) 22.0
 
March 31, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 13.0 μg/m3 (12) 3.7 μg/m3 (15) 18.0
 
March 31, 2020, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 9.0 μg/m3 (8) 4.2 μg/m3 (18) 20.0
 
March 31, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 4.0 μg/m3 (4) 5.4 μg/m3 (23) 23.0
 
March 31, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 6.0 μg/m3 (5) 4.2 μg/m3 (18) 23.0
 
March 31, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 8.0 μg/m3 (7) 3.2 μg/m3 (13) 25.0
 
March 31, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 6.0 μg/m3 (5) 3.4 μg/m3 (14) 26.0
 
March 31, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 8.0 μg/m3 (7) 4.2 μg/m3 (18) 27.0
 
March 31, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 5.0 μg/m3 (5) 5.9 μg/m3 (25) 27.0
 
March 31, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 4.0 μg/m3 (4) 5.6 μg/m3 (23) 28.0
 
March 31, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 5.0 μg/m3 (5) 6.4 μg/m3 (27) 30.0
 
March 31, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 7.0 μg/m3 (6) 3.7 μg/m3 (15) 32.0
 
March 31, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 2.0 μg/m3 (2) 2.7 μg/m3 (11) 34.0
 
March 31, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 5.0 μg/m3 (5) 4.4 μg/m3 (18) 35.0
 
March 31, 2020, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 9.0 μg/m3 (8) 6.4 μg/m3 (27) 36.0
 
March 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 5.0 μg/m3 (5) 4.4 μg/m3 (18) 37.0
 
March 30, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 7.0 μg/m3 (6) 4.7 μg/m3 (20) 37.0
 
March 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 37.0
 
March 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 35.0
 
March 30, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 12.0 μg/m3 (11) 2.5 μg/m3 (10) 36.0
 
March 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 9.0 μg/m3 (8) 4.9 μg/m3 (20) 38.0
 
March 30, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 4.0 μg/m3 (4) 3.4 μg/m3 (14) 34.0
 
March 30, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 6.0 μg/m3 (5) 3.2 μg/m3 (13) 29.0
 
March 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 8.0 μg/m3 (7) 3.4 μg/m3 (14) 27.0
 
March 30, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 14.0 μg/m3 (13) 0.7 μg/m3 (3) 26.0
 
March 30, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 4.0 μg/m3 (4) 0.7 μg/m3 (3) 21.0
 
March 30, 2020, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 4.0 μg/m3 (4) 0.5 μg/m3 (2) 23.0
 
March 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 6.0 μg/m3 (5) -0.1 μg/m3 (0) 24.0
 
March 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 4.0 μg/m3 (4) 0.7 μg/m3 (3) 25.0
 
March 30, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 0.0 μg/m3 (0) 1.9 μg/m3 (8) 25.0
 
March 30, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 1.0 μg/m3 (1) 1.5 μg/m3 (6) 25.0
 
March 30, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 4.0 μg/m3 (4) 0.5 μg/m3 (2) 25.0
 
March 30, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 5.0 μg/m3 (5) 1.2 μg/m3 (5) 25.0
 
March 30, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 4.0 μg/m3 (4) 0.5 μg/m3 (2) 27.0
 
March 30, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 1.0 μg/m3 (1) 0.5 μg/m3 (2) 28.0
 
March 30, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A -2.0 μg/m3 (0) -0.6 μg/m3 (0) 30.0
 
March 30, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 2.0 μg/m3 (2) -0.1 μg/m3 (0) 31.0
 
March 30, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A -1.0 μg/m3 (0) 1.7 μg/m3 (7) 32.0
 
March 30, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A -1.0 μg/m3 (0) 0.3 μg/m3 (1) 35.0
 
March 29, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 0.0 μg/m3 (0) 0.3 μg/m3 (1) 36.0
 
March 29, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A -2.0 μg/m3 (0) 0.5 μg/m3 (2) 36.0
 
March 29, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A -2.0 μg/m3 (0) 1.2 μg/m3 (5) 36.0
 
March 29, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 1.0 μg/m3 (1) 1.5 μg/m3 (6) 35.0
 
March 29, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 1.0 μg/m3 (1) 2.0 μg/m3 (8) 35.0
 
March 29, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 35.0
 
March 29, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 7.0 μg/m3 (6) 2.7 μg/m3 (11) 34.0
 
March 29, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 2.0 μg/m3 (2) 2.5 μg/m3 (10) 30.0
 
March 29, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 7.0 μg/m3 (6) 2.4 μg/m3 (10) 26.0
 
March 29, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 9.0 μg/m3 (8) 3.4 μg/m3 (14) 23.0
 
March 29, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 2.0 μg/m3 (2) 2.4 μg/m3 (10) 23.0
 
March 29, 2020, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 4.0 μg/m3 (4) 1.2 μg/m3 (5) 24.0
 
March 29, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 8.0 μg/m3 (7) 2.4 μg/m3 (10) 24.0
 
March 29, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 13.0 μg/m3 (12) 2.9 μg/m3 (12) 21.0
 
March 29, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 3.0 μg/m3 (3) 3.2 μg/m3 (13) 21.0
 
March 29, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 3.0 μg/m3 (3) 4.2 μg/m3 (18) 22.0
 
March 29, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 3.0 μg/m3 (3) 3.2 μg/m3 (13) 22.0
 
March 29, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 0.0 μg/m3 (0) 1.2 μg/m3 (5) 26.0
 
March 29, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 32.0
 
March 29, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 7.0 μg/m3 (6) 2.9 μg/m3 (12) 32.0
 
March 29, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 2.0 μg/m3 (2) 2.4 μg/m3 (10) 32.0
 
March 29, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 6.0 μg/m3 (5) -0.3 μg/m3 (0) 32.0
 
March 29, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 34.0
 
March 29, 2020, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 5.0 μg/m3 (5) 1.7 μg/m3 (7) 35.0
 
March 28, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 38.0
 
March 28, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 6.0 μg/m3 (5) 3.2 μg/m3 (13) 38.0
 
March 28, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 6.0 μg/m3 (5) 1.2 μg/m3 (5) 37.0
 
March 28, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 8.0 μg/m3 (7) 1.7 μg/m3 (7) 36.0
 
March 28, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 8.0 μg/m3 (7) 6.4 μg/m3 (27) 35.0
 
March 28, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 5.0 μg/m3 (5) 4.4 μg/m3 (18) 32.0
 
March 28, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 9.0 μg/m3 (8) 4.7 μg/m3 (20) 30.0
 
March 28, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 8.0 μg/m3 (7) 5.1 μg/m3 (21) 27.0
 
March 28, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 7.0 μg/m3 (6) 3.7 μg/m3 (15) 24.0
 
March 28, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 5.0 μg/m3 (5) 3.9 μg/m3 (16) 24.0
 
March 28, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 6.0 μg/m3 (5) 3.2 μg/m3 (13) 28.0
 
March 28, 2020, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 3.0 μg/m3 (3) 4.2 μg/m3 (18) 22.0
 
March 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 7.0 μg/m3 (6) 5.4 μg/m3 (23) 24.0
 
March 28, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 5.0 μg/m3 (5) 0.5 μg/m3 (2) 27.0
 
March 28, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 8.0 μg/m3 (7) 3.9 μg/m3 (16) 25.0
 
March 28, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 10.0 μg/m3 (9) 7.1 μg/m3 (30) 30.0
 
March 28, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 12.0 μg/m3 (11) 5.4 μg/m3 (23) 26.0
 
March 28, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 10.0 μg/m3 (9) 2.7 μg/m3 (11) 27.0
 
March 28, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 5.0 μg/m3 (5) 2.7 μg/m3 (11) 28.0
 
March 28, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 6.0 μg/m3 (5) 3.2 μg/m3 (13) 30.0
 
March 28, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 4.0 μg/m3 (4) 4.2 μg/m3 (18) 24.0
 
March 28, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 8.0 μg/m3 (7) 1.7 μg/m3 (7) 28.0
 
March 28, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 11.0 μg/m3 (10) 2.9 μg/m3 (12) 29.0