ID: 2129

AQSQID: 450630010

Site Name: Cayce City Hall

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

Updated: Feb. 28, 2021, 12:32 p.m.

Location: Cayce (The Aves of Cayce), SC

Reporting: True, Located: True

Current AQI: 16.0

Cayce (The Aves of Cayce) SC, US: 33.969145, -81.06629

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
Feb. 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
Feb. 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
Feb. 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
Feb. 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
Feb. 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
Feb. 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
Feb. 28, 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) N/A 22.0
 
Feb. 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) N/A 20.0
 
Feb. 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) N/A 19.0
 
Feb. 28, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
Feb. 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
Feb. 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) N/A 10.0
 
Feb. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) N/A 20.0
 
Feb. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) N/A 13.0
 
Feb. 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
Feb. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
Feb. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
Feb. 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
Feb. 27, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) N/A 10.0
 
Feb. 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
Feb. 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) N/A 20.0
 
Feb. 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) N/A 19.0
 
Feb. 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Feb. 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
Feb. 27, 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) N/A 9.0
 
Feb. 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
Feb. 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
Feb. 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
Feb. 27, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
Feb. 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
Feb. 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Feb. 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Feb. 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Feb. 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) N/A 13.0
 
Feb. 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Feb. 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
Feb. 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
Feb. 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) N/A 20.0
 
Feb. 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) N/A 19.0
 
Feb. 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) N/A 23.0
 
Feb. 26, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) N/A 25.0
 
Feb. 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) N/A 25.0
 
Feb. 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) N/A 29.0
 
Feb. 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) N/A 23.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) N/A 25.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) N/A 27.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) N/A 25.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) N/A 29.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) N/A 30.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) N/A 26.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) N/A 33.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) N/A 28.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) N/A 19.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) N/A 24.0
 
Feb. 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) N/A 23.0
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) N/A 25.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) N/A 25.0
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) N/A 21.0
 
Feb. 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) N/A 21.0
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) N/A 35.0
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) N/A 46.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 92.0 μg/m3 (70) N/A 70.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) N/A 25.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) N/A 21.0
 
Feb. 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) N/A 21.0
 
Feb. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) N/A 19.0
 
Feb. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
Feb. 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
Feb. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
Feb. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
Feb. 25, 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) N/A 22.0
 
Feb. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
Feb. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) N/A 21.0
 
Feb. 25, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) N/A 24.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) N/A 25.0
 
Feb. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) N/A 21.0
 
Feb. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) N/A 19.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) N/A 19.0
 
Feb. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) N/A 10.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Feb. 24, 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) N/A 24.0
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) N/A 23.0
 
Feb. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) N/A 25.0
 
Feb. 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) N/A 13.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) N/A 13.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Feb. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) N/A 10.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) N/A 13.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) N/A 19.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) N/A 10.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 23, 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) N/A 10.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) N/A 10.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) N/A 1.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
Feb. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) N/A 32.0
 
Feb. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) N/A 22.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Feb. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
Feb. 22, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
Feb. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
Feb. 22, 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) N/A 10.0
 
Feb. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
Feb. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
Feb. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
Feb. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
Feb. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
Feb. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
Feb. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 21, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
Feb. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Feb. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) N/A 20.0
 
Feb. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) N/A 25.0
 
Feb. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) N/A 23.0