ID: 2147

AQSQID: 461030020

Site Name: Credit Union

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

Updated: May 24, 2022, 7:16 a.m.

Location: Rapid City (W Chicago St), SD

Reporting: True, Located: True

Current AQI: 10.0

Rapid City (W Chicago St) SD, US: 44.087397, -103.273777

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.4 μg/m3 (10) 10.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.4 μg/m3 (10) 10.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 4.1 μg/m3 (18) 18.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 4.1 μg/m3 (18) 18.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 3.8 μg/m3 (16) 16.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 3.8 μg/m3 (16) 16.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 4.6 μg/m3 (20) 20.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 4.6 μg/m3 (20) 20.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.3 μg/m3 (23) 23.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.3 μg/m3 (23) 23.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 5.1 μg/m3 (22) 22.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 5.1 μg/m3 (22) 22.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 4.8 μg/m3 (20) 20.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 4.8 μg/m3 (20) 20.0
 
May 23, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 2.9 μg/m3 (13) 13.0
 
May 23, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 2.9 μg/m3 (13) 13.0
 
May 23, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 1.6 μg/m3 (7) 7.0
 
May 23, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) -0.2 μg/m3 (0) 7.0
 
May 23, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 4.8 μg/m3 (20) 20.0
 
May 23, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 4.8 μg/m3 (20) 20.0
 
May 23, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 0.6 μg/m3 (3) 8.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.5 μg/m3 (3) 4.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.5 μg/m3 (3) 4.0
 
May 23, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 1.4 μg/m3 (6) 7.0
 
May 23, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 4.3 μg/m3 (18) 18.0
 
May 23, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 6.8 μg/m3 (29) 29.0
 
May 23, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 5.1 μg/m3 (22) 22.0
 
May 23, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 3.6 μg/m3 (16) 16.0
 
May 22, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 2.6 μg/m3 (11) 11.0
 
May 22, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.1 μg/m3 (5) 5.0
 
May 22, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
May 22, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 3.8 μg/m3 (16) 16.0
 
May 22, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.1 μg/m3 (13) 13.0
 
May 22, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.1 μg/m3 (5) 5.0
 
May 22, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.9 μg/m3 (8) 8.0
 
May 22, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.8 μg/m3 (25) 25.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
May 22, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 4.6 μg/m3 (20) 20.0
 
May 22, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 4.8 μg/m3 (20) 20.0
 
May 22, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.9 μg/m3 (13) 13.0
 
May 22, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -0.2 μg/m3 (0) 3.0
 
May 22, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.3 μg/m3 (14) 14.0
 
May 22, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.8 μg/m3 (12) 12.0
 
May 22, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 5.3 μg/m3 (23) 23.0
 
May 22, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 4.6 μg/m3 (20) 20.0
 
May 22, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
May 22, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 4.8 μg/m3 (20) 20.0
 
May 22, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 2.4 μg/m3 (10) 10.0
 
May 21, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 0.7 μg/m3 (3) 6.0
 
May 21, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 2.1 μg/m3 (9) 10.0
 
May 21, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 2.9 μg/m3 (13) 13.0
 
May 21, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 3.1 μg/m3 (13) 13.0
 
May 21, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 5.8 μg/m3 (25) 25.0
 
May 21, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 3.6 μg/m3 (16) 16.0
 
May 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 4.8 μg/m3 (20) 20.0
 
May 21, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 5.1 μg/m3 (22) 22.0
 
May 21, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
May 21, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 4.3 μg/m3 (18) 18.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 2.6 μg/m3 (11) 14.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 2.6 μg/m3 (11) 14.0
 
May 21, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.1 μg/m3 (9) 9.0
 
May 21, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.9 μg/m3 (13) 13.0
 
May 21, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.6 μg/m3 (11) 11.0
 
May 21, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.1 μg/m3 (9) 9.0
 
May 21, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) -0.2 μg/m3 (0) 4.0
 
May 21, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) -0.9 μg/m3 (0) 6.0
 
May 21, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 2.8 μg/m3 (12) 12.0
 
May 21, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 3.1 μg/m3 (13) 13.0
 
May 21, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 5.5 μg/m3 (23) 23.0
 
May 20, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 7.0 μg/m3 (30) 30.0
 
May 20, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.9 μg/m3 (13) 13.0
 
May 20, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 0.4 μg/m3 (2) 20.0
 
May 20, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 7.0 μg/m3 (30) 32.0
 
May 20, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 5.3 μg/m3 (23) 30.0
 
May 20, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 7.8 μg/m3 (33) 34.0
 
May 20, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 79.0 μg/m3 (63) 6.8 μg/m3 (29) 63.0
 
May 20, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 106.0 μg/m3 (77) 15.1 μg/m3 (58) 77.0
 
May 20, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 5.5 μg/m3 (23) 33.0
 
May 20, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (55) 6.5 μg/m3 (28) 55.0
 
May 20, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 3.4 μg/m3 (15) 15.0
 
May 20, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 3.1 μg/m3 (13) 13.0
 
May 20, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.4 μg/m3 (10) 10.0
 
May 20, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 3.3 μg/m3 (14) 14.0
 
May 20, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 2.6 μg/m3 (11) 11.0
 
May 20, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 5.1 μg/m3 (22) 22.0
 
May 20, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 3.8 μg/m3 (16) 16.0
 
May 20, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 1.6 μg/m3 (7) 7.0
 
May 20, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.6 μg/m3 (11) 11.0
 
May 20, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.1 μg/m3 (13) 13.0
 
May 20, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 3.6 μg/m3 (16) 16.0
 
May 20, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 2.1 μg/m3 (9) 17.0
 
May 19, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 2.6 μg/m3 (11) 12.0
 
May 19, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 2.6 μg/m3 (11) 12.0
 
May 19, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 2.4 μg/m3 (10) 10.0
 
May 19, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 5.1 μg/m3 (22) 22.0
 
May 19, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 8.0 μg/m3 (34) 34.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 6.3 μg/m3 (27) 33.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 6.3 μg/m3 (27) 33.0
 
May 19, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 84.0 μg/m3 (66) 9.5 μg/m3 (40) 66.0
 
May 19, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 90.0 μg/m3 (69) 11.9 μg/m3 (50) 69.0
 
May 19, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 2.4 μg/m3 (10) 10.0
 
May 19, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 3.1 μg/m3 (13) 13.0
 
May 19, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 4.8 μg/m3 (20) 20.0
 
May 19, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 8.5 μg/m3 (36) 36.0
 
May 19, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 6.3 μg/m3 (27) 27.0
 
May 19, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
May 18, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 4.8 μg/m3 (20) 20.0
 
May 18, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 10.0 μg/m3 (42) 42.0
 
May 18, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (53) 10.2 μg/m3 (43) 53.0
 
May 18, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 5.3 μg/m3 (23) 23.0
 
May 18, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 7.5 μg/m3 (32) 35.0
 
May 18, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 4.3 μg/m3 (18) 35.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 2.8 μg/m3 (12) 23.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 2.8 μg/m3 (12) 23.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 4.3 μg/m3 (18) 23.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 4.3 μg/m3 (18) 23.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 6.3 μg/m3 (27) 38.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 6.3 μg/m3 (27) 38.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (50) 11.2 μg/m3 (47) 50.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (50) 11.2 μg/m3 (47) 50.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 5.3 μg/m3 (23) 23.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 5.3 μg/m3 (23) 23.0
 
May 18, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 1.9 μg/m3 (8) 8.0
 
May 18, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 1.4 μg/m3 (6) 7.0
 
May 18, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 5.1 μg/m3 (22) 22.0
 
May 18, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 6.8 μg/m3 (29) 29.0
 
May 18, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) -0.4 μg/m3 (0) 10.0
 
May 17, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 0.2 μg/m3 (1) 11.0
 
May 17, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 3.8 μg/m3 (16) 16.0
 
May 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 4.8 μg/m3 (20) 20.0
 
May 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 4.8 μg/m3 (20) 20.0
 
May 17, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 5.1 μg/m3 (22) 22.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 5.3 μg/m3 (23) 23.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 5.3 μg/m3 (23) 23.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 4.1 μg/m3 (18) 21.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 4.1 μg/m3 (18) 21.0
 
May 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
May 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
May 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 5.5 μg/m3 (23) 23.0
 
May 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 5.5 μg/m3 (23) 23.0
 
May 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 5.8 μg/m3 (25) 25.0
 
May 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 5.8 μg/m3 (25) 25.0
 
May 17, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 7.2 μg/m3 (31) 31.0
 
May 17, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 3.1 μg/m3 (13) 13.0
 
May 17, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 3.1 μg/m3 (13) 13.0
 
May 17, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 3.6 μg/m3 (16) 16.0
 
May 17, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 3.6 μg/m3 (16) 16.0
 
May 17, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 2.3 μg/m3 (10) 10.0
 
May 17, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 2.4 μg/m3 (10) 10.0
 
May 17, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
May 17, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 4.5 μg/m3 (19) 19.0
 
May 17, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 4.8 μg/m3 (20) 20.0
 
May 17, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 2.6 μg/m3 (11) 20.0
 
May 17, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 1.6 μg/m3 (7) 14.0
 
May 17, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 2.4 μg/m3 (10) 15.0
 
May 16, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 1.4 μg/m3 (6) 10.0
 
May 16, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 1.6 μg/m3 (7) 9.0
 
May 16, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 0.9 μg/m3 (4) 8.0
 
May 16, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) -1.2 μg/m3 (0) 11.0
 
May 16, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) -0.5 μg/m3 (0) 7.0
 
May 16, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) -0.5 μg/m3 (0) 7.0
 
May 16, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 0.4 μg/m3 (2) 6.0
 
May 16, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 0.2 μg/m3 (1) 2.0
 
May 16, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.9 μg/m3 (8) 8.0
 
May 16, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.9 μg/m3 (8) 8.0
 
May 16, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 4.3 μg/m3 (18) 18.0
 
May 16, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 7.5 μg/m3 (32) 32.0