ID: 2806

AQSQID: 080310027

Site Name: I25 Denver

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

Updated: May 26, 2022, 6:21 a.m.

Location: Denver (Central W Denver), CO

Reporting: True, Located: True

Current AQI: 21.0

Denver (Central W Denver) CO, US: 39.732144, -105.015313

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 26, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.52 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
May 26, 2022, 3 a.m. N/A N/A N/A 41.0 ppb (39) N/A N/A N/A 1.11 ppb (13) N/A 6.8 μg/m3 (29) 39.0
 
May 26, 2022, 2 a.m. N/A N/A N/A 30.0 ppb (29) N/A N/A N/A 0.65 ppb (8) N/A 4.8 μg/m3 (20) 29.0
 
May 26, 2022, 1 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.27 ppb (4) N/A 2.2 μg/m3 (10) 10.0
 
May 26, 2022, midnight N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.28 ppb (4) N/A 1.9 μg/m3 (8) 10.0
 
May 25, 2022, 11 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.45 ppb (6) N/A 2.2 μg/m3 (10) 14.0
 
May 25, 2022, 10 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.27 ppb (4) N/A 2.0 μg/m3 (9) 11.0
 
May 25, 2022, 10 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.27 ppb (4) N/A 2.0 μg/m3 (9) 11.0
 
May 25, 2022, 9 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.27 ppb (4) N/A 2.5 μg/m3 (11) 11.0
 
May 25, 2022, 8 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.36 ppb (5) N/A 2.4 μg/m3 (10) 17.0
 
May 25, 2022, 8 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.36 ppb (5) N/A 2.4 μg/m3 (10) 17.0
 
May 25, 2022, 7 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.4 ppb (5) N/A 3.2 μg/m3 (14) 20.0
 
May 25, 2022, 7 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.4 ppb (5) N/A 3.2 μg/m3 (14) 20.0
 
May 25, 2022, 6 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.4 ppb (5) N/A 3.6 μg/m3 (16) 20.0
 
May 25, 2022, 6 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.4 ppb (5) N/A 3.6 μg/m3 (16) 20.0
 
May 25, 2022, 5 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.28 ppb (4) N/A 2.3 μg/m3 (10) 13.0
 
May 25, 2022, 5 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.28 ppb (4) N/A 2.3 μg/m3 (10) 13.0
 
May 25, 2022, 4 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.37 ppb (5) N/A 3.3 μg/m3 (14) 17.0
 
May 25, 2022, 3 p.m. N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 0.47 ppb (6) N/A 4.5 μg/m3 (19) 24.0
 
May 25, 2022, 1 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.43 ppb (5) N/A 5.0 μg/m3 (21) 26.0
 
May 25, 2022, 9 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.3 ppb (4) N/A 3.8 μg/m3 (16) 18.0
 
May 25, 2022, 5 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.27 ppb (4) N/A 2.4 μg/m3 (10) 10.0
 
May 25, 2022, 4 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.4 ppb (5) N/A 3.1 μg/m3 (13) 13.0
 
May 25, 2022, 1 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.21 ppb (3) N/A 7.5 μg/m3 (32) 32.0
 
May 25, 2022, midnight N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.2 ppb (3) N/A 9.3 μg/m3 (39) 39.0
 
May 24, 2022, 9 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.23 ppb (3) N/A 7.9 μg/m3 (33) 33.0
 
May 24, 2022, 8 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.31 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
May 24, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.22 ppb (3) N/A 9.5 μg/m3 (40) 40.0
 
May 24, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.24 ppb (3) N/A 13.1 μg/m3 (54) 54.0
 
May 24, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.38 ppb (5) N/A 19.6 μg/m3 (67) 67.0
 
May 24, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.32 ppb (4) N/A 17.2 μg/m3 (62) 62.0
 
May 24, 2022, 3 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 0.34 ppb (4) N/A 18.6 μg/m3 (65) 65.0
 
May 24, 2022, 2 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 0.36 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
May 24, 2022, 1 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.47 ppb (6) N/A 12.4 μg/m3 (52) 52.0
 
May 24, 2022, noon N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 0.53 ppb (6) N/A 9.2 μg/m3 (39) 39.0
 
May 24, 2022, 10 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.23 ppb (3) N/A 6.5 μg/m3 (28) 28.0
 
May 24, 2022, 9 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.2 ppb (3) N/A 5.1 μg/m3 (22) 22.0
 
May 24, 2022, 8 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.19 ppb (3) N/A 4.1 μg/m3 (18) 18.0
 
May 24, 2022, 6 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.29 ppb (4) N/A 4.2 μg/m3 (18) 18.0
 
May 24, 2022, 5 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.28 ppb (4) N/A 4.2 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 0.29 ppb (4) N/A 6.3 μg/m3 (27) 27.0
 
May 24, 2022, 4 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.29 ppb (4) N/A 6.3 μg/m3 (27) 27.0
 
May 24, 2022, 3 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.27 ppb (4) N/A 9.1 μg/m3 (38) 38.0
 
May 24, 2022, 2 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.3 ppb (4) N/A 3.7 μg/m3 (16) 16.0
 
May 24, 2022, 2 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.3 ppb (4) N/A 3.7 μg/m3 (16) 16.0
 
May 24, 2022, 1 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.23 ppb (3) N/A 3.9 μg/m3 (17) 17.0
 
May 24, 2022, 1 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.23 ppb (3) N/A 3.9 μg/m3 (17) 17.0
 
May 24, 2022, midnight N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.21 ppb (3) N/A 3.1 μg/m3 (13) 13.0
 
May 24, 2022, midnight N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.21 ppb (3) N/A 3.1 μg/m3 (13) 13.0
 
May 23, 2022, 11 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.2 ppb (3) N/A 2.6 μg/m3 (11) 11.0
 
May 23, 2022, 11 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.2 ppb (3) N/A 2.6 μg/m3 (11) 11.0
 
May 23, 2022, 8 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.24 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
May 23, 2022, 7 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.22 ppb (3) N/A 6.3 μg/m3 (27) 27.0
 
May 23, 2022, 6 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.27 ppb (4) N/A 5.3 μg/m3 (23) 23.0
 
May 23, 2022, 3 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.53 ppb (6) N/A 7.4 μg/m3 (31) 31.0
 
May 23, 2022, 2 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 0.35 ppb (4) N/A 6.8 μg/m3 (29) 29.0
 
May 23, 2022, 11 a.m. N/A N/A N/A 23.0 ppb (22) N/A N/A N/A 0.37 ppb (5) N/A 5.3 μg/m3 (23) 23.0
 
May 23, 2022, 10 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.28 ppb (4) N/A 4.8 μg/m3 (20) 20.0
 
May 23, 2022, 10 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.28 ppb (4) N/A 4.8 μg/m3 (20) 20.0
 
May 23, 2022, 9 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.24 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
May 23, 2022, 3 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.2 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
May 23, 2022, 2 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.26 ppb (4) N/A 3.7 μg/m3 (16) 16.0
 
May 23, 2022, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (3) N/A 3.4 μg/m3 (15) 15.0
 
May 23, 2022, midnight N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
May 22, 2022, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (3) N/A 3.4 μg/m3 (15) 15.0
 
May 22, 2022, 9 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.28 ppb (4) N/A 2.8 μg/m3 (12) 12.0
 
May 22, 2022, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (3) N/A 2.5 μg/m3 (11) 11.0
 
May 22, 2022, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.26 ppb (4) N/A 2.1 μg/m3 (9) 9.0
 
May 22, 2022, 6 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.29 ppb (4) N/A 2.5 μg/m3 (11) 11.0
 
May 22, 2022, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 2.5 μg/m3 (11) 11.0
 
May 22, 2022, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (3) N/A 2.8 μg/m3 (12) 12.0
 
May 22, 2022, 3 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.23 ppb (3) N/A 2.4 μg/m3 (10) 10.0
 
May 22, 2022, 2 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.26 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
May 22, 2022, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.18 ppb (3) N/A 1.2 μg/m3 (5) 7.0
 
May 22, 2022, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.18 ppb (3) N/A 1.2 μg/m3 (5) 7.0
 
May 22, 2022, noon N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.17 ppb (3) N/A 1.4 μg/m3 (6) 7.0
 
May 22, 2022, 11 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.2 ppb (3) N/A 1.6 μg/m3 (7) 9.0
 
May 22, 2022, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.17 ppb (3) N/A 1.3 μg/m3 (6) 6.0
 
May 22, 2022, 9 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.22 ppb (3) N/A 2.2 μg/m3 (10) 10.0
 
May 22, 2022, 8 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.27 ppb (4) N/A 3.8 μg/m3 (16) 16.0
 
May 22, 2022, 7 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.24 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
May 22, 2022, 5 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.48 ppb (6) N/A 6.9 μg/m3 (29) 29.0
 
May 22, 2022, 3 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.31 ppb (4) N/A 6.3 μg/m3 (27) 27.0
 
May 22, 2022, 2 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.36 ppb (5) N/A 6.9 μg/m3 (29) 29.0
 
May 22, 2022, 1 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.41 ppb (5) N/A 4.8 μg/m3 (20) 20.0
 
May 22, 2022, midnight N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.45 ppb (6) N/A 4.1 μg/m3 (18) 18.0
 
May 21, 2022, 11 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.3 ppb (4) N/A 5.1 μg/m3 (22) 22.0
 
May 21, 2022, 10 p.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.31 ppb (4) N/A 6.7 μg/m3 (28) 28.0
 
May 21, 2022, 9 p.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.43 ppb (5) N/A 8.3 μg/m3 (35) 35.0
 
May 21, 2022, 8 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.4 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
May 21, 2022, 7 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.36 ppb (5) N/A 8.1 μg/m3 (34) 34.0
 
May 21, 2022, 6 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.34 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
May 21, 2022, 5 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.46 ppb (6) N/A 7.3 μg/m3 (31) 31.0
 
May 21, 2022, 4 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.43 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
May 21, 2022, 3 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.28 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
May 21, 2022, 2 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.18 ppb (3) N/A 2.7 μg/m3 (12) 12.0
 
May 21, 2022, 1 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.27 ppb (4) N/A 6.5 μg/m3 (28) 28.0
 
May 21, 2022, 1 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.27 ppb (4) N/A 6.5 μg/m3 (28) 28.0
 
May 21, 2022, noon N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.27 ppb (4) N/A 10.2 μg/m3 (43) 43.0
 
May 21, 2022, 10 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.19 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 21, 2022, 9 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.2 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
May 21, 2022, 8 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.19 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
May 21, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.38 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
May 21, 2022, 3 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.4 ppb (5) N/A 6.2 μg/m3 (26) 26.0
 
May 21, 2022, 2 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.34 ppb (4) N/A 4.9 μg/m3 (21) 21.0
 
May 21, 2022, 1 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.33 ppb (4) N/A 4.7 μg/m3 (20) 26.0
 
May 21, 2022, midnight N/A N/A N/A 30.0 ppb (29) N/A N/A N/A 0.45 ppb (6) N/A 4.8 μg/m3 (20) 29.0
 
May 20, 2022, 11 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.49 ppb (6) N/A 4.2 μg/m3 (18) 26.0
 
May 20, 2022, 10 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.44 ppb (5) N/A 3.0 μg/m3 (13) 26.0
 
May 20, 2022, 9 p.m. N/A N/A N/A 24.0 ppb (23) N/A N/A N/A 0.41 ppb (5) N/A 3.4 μg/m3 (15) 23.0
 
May 20, 2022, 7 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.21 ppb (3) N/A 1.6 μg/m3 (7) 10.0
 
May 20, 2022, 6 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.18 ppb (3) N/A 1.3 μg/m3 (6) 7.0
 
May 20, 2022, 5 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.24 ppb (3) N/A 2.4 μg/m3 (10) 16.0
 
May 20, 2022, 4 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.21 ppb (3) N/A 2.2 μg/m3 (10) 14.0
 
May 20, 2022, 3 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.2 ppb (3) N/A 1.4 μg/m3 (6) 7.0
 
May 20, 2022, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (3) N/A 1.4 μg/m3 (6) 6.0
 
May 20, 2022, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.19 ppb (3) N/A 1.2 μg/m3 (5) 7.0
 
May 20, 2022, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) N/A 2.2 μg/m3 (10) 10.0
 
May 20, 2022, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.13 ppb (2) N/A 3.2 μg/m3 (14) 14.0
 
May 20, 2022, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.13 ppb (2) N/A 3.0 μg/m3 (13) 13.0
 
May 20, 2022, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.12 ppb (2) N/A 3.0 μg/m3 (13) 13.0
 
May 20, 2022, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.11 ppb (2) N/A 3.3 μg/m3 (14) 14.0
 
May 20, 2022, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.11 ppb (2) N/A 3.6 μg/m3 (16) 16.0
 
May 20, 2022, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.14 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 20, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
May 20, 2022, 3 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.29 ppb (4) N/A 7.8 μg/m3 (33) 33.0
 
May 20, 2022, 2 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.22 ppb (3) N/A 27.2 μg/m3 (83) 83.0
 
May 20, 2022, 1 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.43 ppb (5) N/A 3.0 μg/m3 (13) 15.0
 
May 20, 2022, midnight N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.51 ppb (6) N/A 3.1 μg/m3 (13) 18.0
 
May 20, 2022, midnight N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.51 ppb (6) N/A 3.1 μg/m3 (13) 18.0
 
May 19, 2022, 11 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.43 ppb (5) N/A 3.1 μg/m3 (13) 18.0
 
May 19, 2022, 10 p.m. N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 0.43 ppb (5) N/A 2.8 μg/m3 (12) 24.0
 
May 19, 2022, 9 p.m. N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 0.45 ppb (6) N/A 2.3 μg/m3 (10) 24.0
 
May 19, 2022, 8 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.37 ppb (5) N/A 3.8 μg/m3 (16) 17.0
 
May 19, 2022, 7 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.33 ppb (4) N/A 4.2 μg/m3 (18) 18.0
 
May 19, 2022, 7 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.33 ppb (4) N/A 4.2 μg/m3 (18) 18.0
 
May 19, 2022, 4 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.37 ppb (5) N/A 4.3 μg/m3 (18) 18.0
 
May 19, 2022, 2 p.m. N/A N/A N/A 28.0 ppb (27) N/A N/A N/A 0.47 ppb (6) N/A 6.8 μg/m3 (29) 29.0
 
May 19, 2022, 6 a.m. N/A N/A N/A 23.0 ppb (22) N/A N/A N/A 0.29 ppb (4) N/A 5.9 μg/m3 (25) 25.0
 
May 19, 2022, 5 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A N/A 0.63 ppb (7) N/A 7.3 μg/m3 (31) 33.0
 
May 19, 2022, 4 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.69 ppb (8) N/A 7.0 μg/m3 (30) 30.0
 
May 19, 2022, 3 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.55 ppb (7) N/A 5.7 μg/m3 (24) 24.0
 
May 19, 2022, 2 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.23 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
May 19, 2022, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.17 ppb (3) N/A 3.8 μg/m3 (16) 16.0
 
May 18, 2022, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (3) N/A 3.3 μg/m3 (14) 14.0
 
May 18, 2022, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.17 ppb (3) N/A 3.7 μg/m3 (16) 16.0
 
May 18, 2022, 9 p.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.25 ppb (3) N/A 4.8 μg/m3 (20) 20.0
 
May 18, 2022, 8 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.36 ppb (5) N/A 3.9 μg/m3 (17) 17.0
 
May 18, 2022, 7 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.33 ppb (4) N/A 3.8 μg/m3 (16) 17.0
 
May 18, 2022, 5 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.26 ppb (4) N/A 4.8 μg/m3 (20) 20.0
 
May 18, 2022, 4 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.35 ppb (4) N/A 4.7 μg/m3 (20) 20.0
 
May 18, 2022, 4 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.35 ppb (4) N/A 4.7 μg/m3 (20) 20.0
 
May 18, 2022, 3 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.36 ppb (5) N/A 5.9 μg/m3 (25) 25.0
 
May 18, 2022, 3 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.36 ppb (5) N/A 5.9 μg/m3 (25) 25.0
 
May 18, 2022, 2 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.44 ppb (5) N/A 5.7 μg/m3 (24) 24.0
 
May 18, 2022, 2 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.44 ppb (5) N/A 5.7 μg/m3 (24) 24.0
 
May 18, 2022, 1 p.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 0.55 ppb (7) N/A 6.6 μg/m3 (28) 28.0
 
May 18, 2022, 1 p.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 0.55 ppb (7) N/A 6.6 μg/m3 (28) 28.0
 
May 18, 2022, noon N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.47 ppb (6) N/A 6.2 μg/m3 (26) 26.0
 
May 18, 2022, noon N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.47 ppb (6) N/A 6.2 μg/m3 (26) 26.0
 
May 18, 2022, 11 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 0.47 ppb (6) N/A 6.5 μg/m3 (28) 28.0
 
May 18, 2022, 10 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.26 ppb (4) N/A 5.7 μg/m3 (24) 24.0
 
May 18, 2022, 2 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.22 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
May 18, 2022, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.17 ppb (3) N/A 3.4 μg/m3 (15) 15.0
 
May 18, 2022, midnight N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.24 ppb (3) N/A 3.8 μg/m3 (16) 16.0
 
May 17, 2022, 11 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.18 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
May 17, 2022, 10 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.18 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
May 17, 2022, 9 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.36 ppb (5) N/A 6.5 μg/m3 (28) 28.0