ID: 2295

AQSQID: 421010048

Site Name: New

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

Updated: May 12, 2021, 5:45 a.m.

Location: Philadelphia (Richmond), PA

Reporting: True, Located: True

Current AQI: 26.0

Philadelphia (Richmond) PA, US: 39.991389, -75.080833

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 12, 2021, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (26) 0.05 ppb (2) 9.6 μg/m3 (9) 3.0 μg/m3 (13) 26.0
 
May 12, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) 0.05 ppb (2) 9.5 μg/m3 (9) 3.8 μg/m3 (16) 30.0
 
May 12, 2021, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (37) 0.08 ppb (2) 15.5 μg/m3 (15) 5.8 μg/m3 (25) 37.0
 
May 12, 2021, 1 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 40.0 ppb (38) 0.12 ppb (2) 17.1 μg/m3 (16) 6.8 μg/m3 (29) 38.0
 
May 12, 2021, midnight N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) N/A 0.14 ppb (2) 16.8 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
May 11, 2021, 11 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 43.0 ppb (40) 0.1 ppb (2) 18.1 μg/m3 (17) 7.5 μg/m3 (32) 40.0
 
May 11, 2021, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 46.0 ppb (43) N/A 14.4 μg/m3 (14) 6.5 μg/m3 (28) 43.0
 
May 11, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 47.0 ppb (44) 0.07 ppb (2) 17.0 μg/m3 (16) 6.3 μg/m3 (27) 44.0
 
May 11, 2021, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (43) 0.1 ppb (2) 18.3 μg/m3 (17) 6.7 μg/m3 (28) 43.0
 
May 11, 2021, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 48.0 ppb (45) 0.09 ppb (2) 19.1 μg/m3 (18) 6.6 μg/m3 (28) 45.0
 
May 11, 2021, 6 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 46.0 ppb (43) 0.09 ppb (2) 20.0 μg/m3 (19) 7.7 μg/m3 (33) 43.0
 
May 11, 2021, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (45) 0.08 ppb (2) 19.8 μg/m3 (19) 7.6 μg/m3 (32) 45.0
 
May 11, 2021, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 46.0 ppb (43) 0.08 ppb (2) 17.3 μg/m3 (17) 6.4 μg/m3 (27) 43.0
 
May 11, 2021, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 43.0 ppb (40) 0.07 ppb (2) 17.1 μg/m3 (16) 5.9 μg/m3 (25) 40.0
 
May 11, 2021, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (36) 0.07 ppb (2) 14.8 μg/m3 (14) 5.2 μg/m3 (22) 36.0
 
May 11, 2021, 1 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 34.0 ppb (32) 0.08 ppb (2) 15.0 μg/m3 (14) 4.9 μg/m3 (21) 32.0
 
May 11, 2021, noon N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) N/A 0.13 ppb (2) 19.3 μg/m3 (18) 5.8 μg/m3 (25) 25.0
 
May 11, 2021, 11 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 13.0 ppb (13) 0.23 ppb (3) 36.0 μg/m3 (34) 8.3 μg/m3 (35) 35.0
 
May 11, 2021, 10 a.m. N/A N/A N/A 28.0 ppb (27) N/A 1.0 ppb (2) 7.0 ppb (7) 0.24 ppb (3) 23.7 μg/m3 (22) 7.3 μg/m3 (31) 31.0
 
May 11, 2021, 9 a.m. N/A N/A N/A 25.0 ppb (24) N/A 1.0 ppb (2) 8.0 ppb (8) 0.18 ppb (3) 21.6 μg/m3 (20) 8.1 μg/m3 (34) 34.0
 
May 11, 2021, 8 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 15.0 ppb (14) 0.12 ppb (2) 17.6 μg/m3 (17) 6.6 μg/m3 (28) 28.0
 
May 11, 2021, 7 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 18.0 ppb (17) 0.12 ppb (2) 14.1 μg/m3 (14) 6.4 μg/m3 (27) 27.0
 
May 11, 2021, 6 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) 11.9 μg/m3 (12) 5.8 μg/m3 (25) 25.0
 
May 11, 2021, 5 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (24) 0.11 ppb (2) 11.6 μg/m3 (11) 5.7 μg/m3 (24) 24.0
 
May 11, 2021, 4 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 14.0 ppb (13) 0.28 ppb (4) 15.4 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
May 11, 2021, 3 a.m. N/A N/A N/A 23.0 ppb (22) N/A 0.0 ppb (0) 9.0 ppb (9) 0.26 ppb (4) 14.8 μg/m3 (14) 6.9 μg/m3 (29) 29.0
 
May 11, 2021, 2 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 21.0 ppb (20) 0.14 ppb (2) 9.5 μg/m3 (9) 4.5 μg/m3 (19) 20.0
 
May 11, 2021, 1 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 21.0 ppb (20) 0.15 ppb (2) 10.4 μg/m3 (10) 4.1 μg/m3 (18) 20.0
 
May 11, 2021, midnight N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 27.0 ppb (25) 0.15 ppb (2) 7.7 μg/m3 (8) 3.1 μg/m3 (13) 25.0
 
May 10, 2021, 11 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 36.0 ppb (34) 0.1 ppb (2) 8.1 μg/m3 (8) 2.8 μg/m3 (12) 34.0
 
May 10, 2021, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 8.4 μg/m3 (8) 2.8 μg/m3 (12) 36.0
 
May 10, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (38) 0.09 ppb (2) 7.4 μg/m3 (7) 2.3 μg/m3 (10) 38.0
 
May 10, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (37) 0.09 ppb (2) 10.0 μg/m3 (10) 2.3 μg/m3 (10) 37.0
 
May 10, 2021, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (37) 0.1 ppb (2) 8.0 μg/m3 (8) 2.3 μg/m3 (10) 37.0
 
May 10, 2021, 6 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) 10.5 μg/m3 (10) 2.6 μg/m3 (11) 35.0
 
May 10, 2021, 5 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 33.0 ppb (31) 0.09 ppb (2) 10.8 μg/m3 (10) 2.3 μg/m3 (10) 31.0
 
May 10, 2021, 4 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (28) 0.09 ppb (2) 9.9 μg/m3 (10) 1.9 μg/m3 (8) 28.0
 
May 10, 2021, 3 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (28) 0.09 ppb (2) 21.0 μg/m3 (20) 3.7 μg/m3 (16) 28.0
 
May 10, 2021, 2 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) 7.7 μg/m3 (8) 2.6 μg/m3 (11) 28.0
 
May 10, 2021, 1 p.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (25) 0.1 ppb (2) 7.1 μg/m3 (7) 2.4 μg/m3 (10) 25.0
 
May 10, 2021, noon N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 18.0 ppb (17) 0.14 ppb (2) 10.3 μg/m3 (10) 5.5 μg/m3 (23) 23.0
 
May 10, 2021, 11 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 18.0 ppb (17) 0.15 ppb (2) 10.5 μg/m3 (10) 6.2 μg/m3 (26) 26.0
 
May 10, 2021, 10 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 23.0 ppb (22) 0.12 ppb (2) 11.8 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
May 10, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (22) 0.11 ppb (2) 17.4 μg/m3 (17) 11.9 μg/m3 (50) 50.0
 
May 10, 2021, 8 a.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 18.0 ppb (17) 0.13 ppb (2) 16.4 μg/m3 (16) 10.3 μg/m3 (43) 43.0
 
May 10, 2021, 7 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) 14.4 μg/m3 (14) 8.5 μg/m3 (36) 36.0
 
May 10, 2021, 6 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (27) 0.08 ppb (2) 13.6 μg/m3 (13) 7.7 μg/m3 (33) 33.0
 
May 10, 2021, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) 0.06 ppb (2) 12.4 μg/m3 (12) 7.0 μg/m3 (30) 32.0
 
May 10, 2021, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.07 ppb (2) 11.9 μg/m3 (12) 7.2 μg/m3 (31) 31.0
 
May 10, 2021, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.07 ppb (2) 11.7 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
May 10, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) 0.08 ppb (2) 10.4 μg/m3 (10) 6.4 μg/m3 (27) 29.0
 
May 10, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) 10.5 μg/m3 (10) 6.4 μg/m3 (27) 27.0
 
May 10, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.11 ppb (2) 10.7 μg/m3 (10) 6.3 μg/m3 (27) 27.0
 
May 9, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.1 ppb (2) 10.9 μg/m3 (11) 6.1 μg/m3 (26) 28.0
 
May 9, 2021, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 10.6 μg/m3 (10) 5.7 μg/m3 (24) 30.0
 
May 9, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.08 ppb (2) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 35.0
 
May 9, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.07 ppb (2) 9.3 μg/m3 (9) 5.6 μg/m3 (24) 35.0
 
May 9, 2021, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) 0.07 ppb (2) 9.7 μg/m3 (9) 6.2 μg/m3 (26) 32.0
 
May 9, 2021, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) 0.06 ppb (2) 8.7 μg/m3 (9) 5.7 μg/m3 (24) 32.0
 
May 9, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.07 ppb (2) 8.1 μg/m3 (8) 4.6 μg/m3 (20) 37.0
 
May 9, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) 0.08 ppb (2) 10.7 μg/m3 (10) 6.0 μg/m3 (25) 33.0
 
May 9, 2021, 3 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 29.0 ppb (27) 0.1 ppb (2) 12.1 μg/m3 (12) 7.9 μg/m3 (33) 33.0
 
May 9, 2021, 2 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (25) 0.12 ppb (2) 12.5 μg/m3 (12) 8.3 μg/m3 (35) 35.0
 
May 9, 2021, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (25) 0.11 ppb (2) 10.4 μg/m3 (10) 6.6 μg/m3 (28) 28.0
 
May 9, 2021, noon N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (25) 0.1 ppb (2) 10.0 μg/m3 (10) 6.1 μg/m3 (26) 26.0
 
May 9, 2021, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (25) 0.11 ppb (2) 9.3 μg/m3 (9) 5.7 μg/m3 (24) 25.0
 
May 9, 2021, 10 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (23) 0.11 ppb (2) 9.8 μg/m3 (10) 5.7 μg/m3 (24) 24.0
 
May 9, 2021, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.1 ppb (2) 9.8 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
May 9, 2021, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 25.0 ppb (24) 0.1 ppb (2) 10.7 μg/m3 (10) 7.2 μg/m3 (31) 31.0
 
May 9, 2021, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (25) 0.09 ppb (2) 11.1 μg/m3 (11) 6.9 μg/m3 (29) 29.0
 
May 9, 2021, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 29.0 ppb (27) 0.1 ppb (2) 11.6 μg/m3 (11) 6.9 μg/m3 (29) 29.0
 
May 9, 2021, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 31.0 ppb (29) 0.11 ppb (2) 15.0 μg/m3 (14) 8.7 μg/m3 (37) 37.0
 
May 9, 2021, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 29.0 ppb (27) 0.14 ppb (2) 10.1 μg/m3 (10) 5.9 μg/m3 (25) 27.0
 
May 9, 2021, 3 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (28) 0.14 ppb (2) 9.2 μg/m3 (9) 5.0 μg/m3 (21) 28.0
 
May 9, 2021, 2 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) 8.9 μg/m3 (9) 4.4 μg/m3 (19) 28.0
 
May 9, 2021, 1 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (28) 0.16 ppb (3) 8.7 μg/m3 (9) 4.3 μg/m3 (18) 28.0
 
May 9, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (31) 0.13 ppb (2) 10.0 μg/m3 (10) 4.6 μg/m3 (20) 31.0
 
May 8, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.1 ppb (2) 8.9 μg/m3 (9) 4.1 μg/m3 (18) 34.0
 
May 8, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 8.1 μg/m3 (8) 3.9 μg/m3 (17) 35.0
 
May 8, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.11 ppb (2) 9.4 μg/m3 (9) 4.0 μg/m3 (17) 36.0
 
May 8, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.12 ppb (2) 9.0 μg/m3 (9) 4.4 μg/m3 (19) 36.0
 
May 8, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.12 ppb (2) 9.0 μg/m3 (9) 4.4 μg/m3 (19) 35.0
 
May 8, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.13 ppb (2) 8.9 μg/m3 (9) 4.9 μg/m3 (21) 31.0
 
May 8, 2021, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) 0.13 ppb (2) 9.5 μg/m3 (9) 5.0 μg/m3 (21) 30.0
 
May 8, 2021, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (29) 0.13 ppb (2) 10.9 μg/m3 (11) 5.7 μg/m3 (24) 29.0
 
May 8, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.13 ppb (2) 10.0 μg/m3 (10) 5.5 μg/m3 (23) 28.0
 
May 8, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.13 ppb (2) 8.7 μg/m3 (9) 4.1 μg/m3 (18) 28.0
 
May 8, 2021, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.13 ppb (2) 9.2 μg/m3 (9) 5.4 μg/m3 (23) 25.0
 
May 8, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (22) 0.14 ppb (2) 9.7 μg/m3 (9) 6.3 μg/m3 (27) 27.0
 
May 8, 2021, 11 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (18) 0.16 ppb (3) 10.6 μg/m3 (10) 7.1 μg/m3 (30) 30.0
 
May 8, 2021, 10 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (19) 0.14 ppb (2) 11.1 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
May 8, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (26) 0.12 ppb (2) 6.2 μg/m3 (6) 4.0 μg/m3 (17) 26.0
 
May 8, 2021, 8 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (28) 0.13 ppb (2) 7.7 μg/m3 (8) 3.5 μg/m3 (15) 28.0
 
May 8, 2021, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.13 ppb (2) 12.3 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
May 8, 2021, 6 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (23) 0.14 ppb (2) 15.5 μg/m3 (15) 11.7 μg/m3 (49) 49.0
 
May 8, 2021, 5 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (25) 0.14 ppb (2) 14.9 μg/m3 (14) 10.8 μg/m3 (46) 46.0
 
May 8, 2021, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (29) 0.18 ppb (3) 14.0 μg/m3 (13) 10.3 μg/m3 (43) 43.0
 
May 8, 2021, 3 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 31.0 ppb (29) 0.17 ppb (3) 16.1 μg/m3 (15) 11.8 μg/m3 (50) 50.0
 
May 8, 2021, 2 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 32.0 ppb (30) 0.18 ppb (3) 12.8 μg/m3 (12) 7.3 μg/m3 (31) 31.0
 
May 8, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (35) 0.11 ppb (2) 9.6 μg/m3 (9) 4.4 μg/m3 (19) 35.0
 
May 8, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.11 ppb (2) 9.1 μg/m3 (9) 4.3 μg/m3 (18) 18.0
 
May 7, 2021, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 38.0 ppb (36) 0.1 ppb (2) 9.6 μg/m3 (9) 4.5 μg/m3 (19) 36.0
 
May 7, 2021, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 9.7 μg/m3 (9) 4.3 μg/m3 (18) 37.0
 
May 7, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (40) 0.12 ppb (2) 13.6 μg/m3 (13) 4.4 μg/m3 (19) 40.0
 
May 7, 2021, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 42.0 ppb (39) 0.15 ppb (2) 11.7 μg/m3 (11) 4.5 μg/m3 (19) 39.0
 
May 7, 2021, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (39) 0.14 ppb (2) 11.9 μg/m3 (12) 4.4 μg/m3 (19) 39.0
 
May 7, 2021, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (39) 0.11 ppb (2) 10.8 μg/m3 (10) 4.4 μg/m3 (19) 39.0
 
May 7, 2021, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (36) 0.11 ppb (2) 11.2 μg/m3 (11) 4.0 μg/m3 (17) 36.0
 
May 7, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.11 ppb (2) 11.3 μg/m3 (11) 3.8 μg/m3 (16) 35.0
 
May 7, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.12 ppb (2) 12.7 μg/m3 (12) 3.6 μg/m3 (16) 29.0
 
May 7, 2021, 2 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 28.0 ppb (26) 0.13 ppb (2) 13.3 μg/m3 (13) 3.7 μg/m3 (16) 26.0
 
May 7, 2021, 1 p.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 26.0 ppb (25) 0.13 ppb (2) 14.0 μg/m3 (13) 3.8 μg/m3 (16) 25.0
 
May 7, 2021, noon N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 25.0 ppb (24) 0.17 ppb (3) 14.1 μg/m3 (14) 3.7 μg/m3 (16) 24.0
 
May 7, 2021, 11 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 19.0 ppb (18) 0.19 ppb (3) 10.7 μg/m3 (10) 3.8 μg/m3 (16) 18.0
 
May 7, 2021, 10 a.m. N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) 14.0 ppb (13) 0.23 ppb (3) 11.0 μg/m3 (11) 3.9 μg/m3 (17) 20.0
 
May 7, 2021, 9 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 17.0 ppb (16) 0.16 ppb (3) 9.2 μg/m3 (9) 3.5 μg/m3 (15) 17.0
 
May 7, 2021, 8 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 24.0 ppb (23) 0.12 ppb (2) 8.2 μg/m3 (8) 3.3 μg/m3 (14) 23.0
 
May 7, 2021, 7 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 24.0 ppb (23) 0.14 ppb (2) 8.6 μg/m3 (8) 3.4 μg/m3 (15) 23.0
 
May 7, 2021, 6 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (24) 0.16 ppb (3) 8.3 μg/m3 (8) 3.5 μg/m3 (15) 24.0
 
May 7, 2021, 5 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (25) 0.24 ppb (3) 9.1 μg/m3 (9) 3.6 μg/m3 (16) 25.0
 
May 7, 2021, 4 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (27) 0.14 ppb (2) 9.6 μg/m3 (9) 3.7 μg/m3 (16) 27.0
 
May 7, 2021, 3 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (27) 0.16 ppb (3) 10.5 μg/m3 (10) 4.2 μg/m3 (18) 27.0
 
May 7, 2021, 2 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 22.0 ppb (21) 0.24 ppb (3) 14.3 μg/m3 (14) 4.9 μg/m3 (21) 21.0
 
May 7, 2021, 1 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 21.0 ppb (20) 0.28 ppb (4) 13.2 μg/m3 (13) 4.6 μg/m3 (20) 20.0
 
May 7, 2021, midnight N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) 11.2 μg/m3 (11) 3.8 μg/m3 (16) 26.0
 
May 6, 2021, 11 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 34.0 ppb (32) 0.17 ppb (3) 10.5 μg/m3 (10) 3.5 μg/m3 (15) 32.0
 
May 6, 2021, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (34) N/A 9.2 μg/m3 (9) 3.3 μg/m3 (14) 34.0
 
May 6, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (36) 0.15 ppb (2) 9.9 μg/m3 (10) 3.3 μg/m3 (14) 36.0
 
May 6, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (37) 0.14 ppb (2) 11.1 μg/m3 (11) 3.3 μg/m3 (14) 37.0
 
May 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (11) 3.5 μg/m3 (15) 15.0
 
May 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (12) 3.8 μg/m3 (16) 16.0
 
May 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.7 μg/m3 (11) 3.9 μg/m3 (17) 17.0
 
May 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.2 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
May 6, 2021, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (29) 0.16 ppb (3) 11.7 μg/m3 (11) 4.2 μg/m3 (18) 29.0
 
May 6, 2021, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) 0.14 ppb (2) 11.2 μg/m3 (11) 4.0 μg/m3 (17) 27.0
 
May 6, 2021, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (25) 0.15 ppb (2) 11.6 μg/m3 (11) 4.2 μg/m3 (18) 25.0
 
May 6, 2021, noon N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (23) 0.17 ppb (3) 12.1 μg/m3 (12) 3.9 μg/m3 (17) 23.0
 
May 6, 2021, 11 a.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 20.0 ppb (19) 0.19 ppb (3) 12.7 μg/m3 (12) 4.0 μg/m3 (17) 19.0
 
May 6, 2021, 10 a.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 18.0 ppb (17) 0.18 ppb (3) 10.3 μg/m3 (10) 4.2 μg/m3 (18) 18.0
 
May 6, 2021, 9 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 21.0 ppb (20) 0.17 ppb (3) 8.8 μg/m3 (9) 4.0 μg/m3 (17) 20.0
 
May 6, 2021, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (24) 0.14 ppb (2) 8.3 μg/m3 (8) 4.0 μg/m3 (17) 24.0
 
May 6, 2021, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.13 ppb (2) 8.4 μg/m3 (8) 3.9 μg/m3 (17) 26.0
 
May 6, 2021, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) 0.13 ppb (2) 10.2 μg/m3 (10) 3.8 μg/m3 (16) 27.0
 
May 6, 2021, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) 0.14 ppb (2) 10.0 μg/m3 (10) 4.5 μg/m3 (19) 23.0
 
May 6, 2021, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (22) 0.15 ppb (2) 9.3 μg/m3 (9) 4.8 μg/m3 (20) 22.0
 
May 6, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (21) 0.16 ppb (3) 8.9 μg/m3 (9) 4.3 μg/m3 (18) 21.0
 
May 6, 2021, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (20) 0.18 ppb (3) 8.9 μg/m3 (9) 3.5 μg/m3 (15) 20.0
 
May 6, 2021, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (20) 0.18 ppb (3) 8.2 μg/m3 (8) 3.3 μg/m3 (14) 20.0
 
May 6, 2021, midnight N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.2 ppb (3) 8.0 μg/m3 (8) 2.2 μg/m3 (10) 10.0
 
May 5, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 18.0 ppb (17) 0.2 ppb (3) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 17.0
 
May 5, 2021, 10 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (19) N/A 11.5 μg/m3 (11) 2.0 μg/m3 (9) 19.0
 
May 5, 2021, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 34.0 ppb (32) 0.23 ppb (3) 12.3 μg/m3 (12) 3.4 μg/m3 (15) 32.0
 
May 5, 2021, 8 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 41.0 ppb (38) 0.26 ppb (4) 9.1 μg/m3 (9) 3.5 μg/m3 (15) 38.0
 
May 5, 2021, 7 p.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 23.0 ppb (22) 0.42 ppb (5) 12.4 μg/m3 (12) 6.9 μg/m3 (29) 29.0
 
May 5, 2021, 6 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 17.0 ppb (16) 0.4 ppb (5) 14.4 μg/m3 (14) 9.2 μg/m3 (39) 39.0
 
May 5, 2021, 5 p.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 13.0 ppb (13) 0.35 ppb (4) 12.7 μg/m3 (12) 7.7 μg/m3 (33) 33.0
 
May 5, 2021, 4 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 10.0 ppb (10) 0.31 ppb (4) 15.2 μg/m3 (15) 9.7 μg/m3 (41) 41.0
 
May 5, 2021, 3 p.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 14.0 ppb (13) 0.28 ppb (4) 14.4 μg/m3 (14) 9.7 μg/m3 (41) 41.0
 
May 5, 2021, 2 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 18.0 ppb (17) 0.25 ppb (3) 17.5 μg/m3 (17) 12.6 μg/m3 (53) 53.0
 
May 5, 2021, 1 p.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 14.0 ppb (13) 0.26 ppb (4) 30.9 μg/m3 (29) 17.7 μg/m3 (63) 63.0
 
May 5, 2021, noon N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 14.0 ppb (13) 0.26 ppb (4) 35.0 μg/m3 (33) 19.7 μg/m3 (67) 67.0
 
May 5, 2021, 11 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 19.0 ppb (18) 0.23 ppb (3) 32.6 μg/m3 (31) 19.8 μg/m3 (68) 68.0
 
May 5, 2021, 10 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 20.0 ppb (19) 0.22 ppb (3) 34.6 μg/m3 (33) 19.3 μg/m3 (67) 67.0
 
May 5, 2021, 9 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 25.0 ppb (24) 0.2 ppb (3) 28.7 μg/m3 (27) 15.9 μg/m3 (59) 59.0
 
May 5, 2021, 8 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 26.0 ppb (25) 0.2 ppb (3) 22.2 μg/m3 (21) 11.1 μg/m3 (47) 47.0
 
May 5, 2021, 7 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) 0.17 ppb (3) 15.4 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
May 5, 2021, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) 0.15 ppb (2) 14.1 μg/m3 (14) 8.9 μg/m3 (38) 38.0
 
May 5, 2021, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 14.6 μg/m3 (14) 9.5 μg/m3 (40) 40.0