ID: 483

AQSQID: 250250002

Site Name: Boston-Kenmore

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

Updated: June 29, 2022, 7:27 p.m.

Location: Boston (Kenmore), MA

Reporting: True, Located: True

Current AQI: 17.0

Boston (Kenmore) MA, US: 42.3489, -71.097702

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 29, 2022, 5 p.m. 10.0 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (7) N/A -1.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 29, 2022, 4 p.m. 11.0 ppb (11) 4.0 ppb (4) N/A 8.0 ppb (8) N/A -1.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 29, 2022, 4 p.m. 11.0 ppb (11) 4.0 ppb (4) N/A 8.0 ppb (8) N/A -1.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 29, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 29, 2022, 3 p.m. 12.0 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A -1.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 29, 2022, 2 p.m. 12.0 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A -1.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 29, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 29, 2022, 1 p.m. 19.0 ppb (18) 6.0 ppb (6) N/A 13.0 ppb (13) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 29, 2022, 1 p.m. 19.0 ppb (18) 6.0 ppb (6) N/A 13.0 ppb (13) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 29, 2022, noon 12.0 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 29, 2022, noon 19.0 ppb (18) 6.0 ppb (6) N/A 13.0 ppb (13) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 29, 2022, noon 19.0 ppb (18) 6.0 ppb (6) N/A 13.0 ppb (13) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 29, 2022, noon 19.0 ppb (18) 6.0 ppb (6) N/A 13.0 ppb (13) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 29, 2022, 11 a.m. 19.0 ppb (18) 6.0 ppb (6) N/A 13.0 ppb (13) N/A -1.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 29, 2022, 10 a.m. 12.0 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A -1.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 29, 2022, 8 a.m. 12.0 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A -1.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 29, 2022, 7 a.m. 12.0 ppb (12) 0.0 ppb (0) N/A 11.0 ppb (11) N/A -1.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 29, 2022, 7 a.m. 12.0 ppb (12) 0.0 ppb (0) N/A 11.0 ppb (11) N/A -1.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 29, 2022, 6 a.m. 31.0 ppb (30) 7.0 ppb (7) N/A 23.0 ppb (22) N/A -1.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 30.0
 
June 29, 2022, midnight 33.0 ppb (32) 4.0 ppb (4) N/A 28.0 ppb (27) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 32.0
 
June 29, 2022, midnight 33.0 ppb (32) 4.0 ppb (4) N/A 28.0 ppb (27) N/A -1.0 ppb (0) N/A N/A N/A N/A 32.0
 
June 29, 2022, midnight 33.0 ppb (32) 4.0 ppb (4) N/A 28.0 ppb (27) N/A -1.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 32.0
 
June 28, 2022, 11 p.m. 21.0 ppb (20) 2.0 ppb (2) N/A 19.0 ppb (18) N/A -1.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 28, 2022, 11 p.m. 21.0 ppb (20) 2.0 ppb (2) N/A 19.0 ppb (18) N/A -1.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 28, 2022, 10 p.m. 20.0 ppb (19) 3.0 ppb (3) N/A 18.0 ppb (17) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 28, 2022, 10 p.m. 20.0 ppb (19) 3.0 ppb (3) N/A 18.0 ppb (17) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 28, 2022, 9 p.m. 20.0 ppb (19) 3.0 ppb (3) N/A 17.0 ppb (17) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 28, 2022, 8 p.m. 16.0 ppb (16) 3.0 ppb (3) N/A 13.0 ppb (13) N/A -2.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 28, 2022, 8 p.m. 16.0 ppb (16) 3.0 ppb (3) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 28, 2022, 7 p.m. 16.0 ppb (16) 4.0 ppb (4) N/A 12.0 ppb (12) N/A -2.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 7 p.m. 16.0 ppb (16) 4.0 ppb (4) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 11 a.m. 17.0 ppb (17) 6.0 ppb (6) N/A 11.0 ppb (11) N/A -2.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 10 a.m. 17.0 ppb (17) 5.0 ppb (5) N/A 12.0 ppb (12) N/A -2.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 8 a.m. 8.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A -2.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 8 a.m. 8.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A -2.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 8 a.m. 8.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A -2.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 7 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A -2.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 6 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A -2.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 28, 2022, 5 a.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 28, 2022, midnight 8.0 ppb (8) 1.0 ppb (1) N/A 6.0 ppb (6) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 28, 2022, midnight 8.0 ppb (8) 1.0 ppb (1) N/A 6.0 ppb (6) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 27, 2022, 11 p.m. 11.0 ppb (11) 2.0 ppb (2) N/A 9.0 ppb (9) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 27, 2022, 11 p.m. 11.0 ppb (11) 2.0 ppb (2) N/A 9.0 ppb (9) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 27, 2022, 11 p.m. 11.0 ppb (11) 2.0 ppb (2) N/A 9.0 ppb (9) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 27, 2022, 10 p.m. 16.0 ppb (16) 4.0 ppb (4) N/A 12.0 ppb (12) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 27, 2022, 10 p.m. 16.0 ppb (16) 4.0 ppb (4) N/A 12.0 ppb (12) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 27, 2022, 10 p.m. 16.0 ppb (16) 4.0 ppb (4) N/A 12.0 ppb (12) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 27, 2022, 9 p.m. 16.0 ppb (16) 5.0 ppb (5) N/A 11.0 ppb (11) N/A -1.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 27, 2022, 9 p.m. 16.0 ppb (16) 5.0 ppb (5) N/A 11.0 ppb (11) N/A -1.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 27, 2022, 8 p.m. 16.0 ppb (16) 5.0 ppb (5) N/A 11.0 ppb (11) N/A -1.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 27, 2022, 8 p.m. 16.0 ppb (16) 5.0 ppb (5) N/A 11.0 ppb (11) N/A -1.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 27, 2022, 4 p.m. 14.0 ppb (14) 5.0 ppb (5) N/A 10.0 ppb (10) N/A -1.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 27, 2022, 4 p.m. 14.0 ppb (14) 5.0 ppb (5) N/A 10.0 ppb (10) N/A -1.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 27, 2022, 2 p.m. 15.0 ppb (15) 7.0 ppb (7) N/A 9.0 ppb (9) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 27, 2022, 1 p.m. 13.0 ppb (13) 3.0 ppb (3) N/A 9.0 ppb (9) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 27, 2022, 11 a.m. 14.0 ppb (14) 4.0 ppb (4) N/A 10.0 ppb (10) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 27, 2022, 11 a.m. 14.0 ppb (14) 4.0 ppb (4) N/A 10.0 ppb (10) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 27, 2022, 11 a.m. 14.0 ppb (14) 4.0 ppb (4) N/A 10.0 ppb (10) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 27, 2022, 10 a.m. 11.0 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (8) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 27, 2022, 10 a.m. 11.0 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (8) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 27, 2022, 6 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A -1.0 ppb (0) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
June 27, 2022, 5 a.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A -1.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 27, 2022, 4 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 27, 2022, 3 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A -1.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 27, 2022, 2 a.m. 10.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A -1.0 ppb (0) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
June 27, 2022, 1 a.m. 8.0 ppb (8) 0.0 ppb (0) N/A 7.0 ppb (7) N/A -1.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
June 27, 2022, midnight 9.0 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A -1.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
June 26, 2022, 10 p.m. 7.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A -1.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
June 26, 2022, 9 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A -1.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
June 26, 2022, 8 p.m. 7.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A -1.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
June 26, 2022, 5 p.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A -1.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
June 26, 2022, 4 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A -1.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
June 26, 2022, 3 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A -1.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
June 26, 2022, noon 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A -1.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
June 26, 2022, 11 a.m. 8.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A -1.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
June 26, 2022, 11 a.m. 8.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A -1.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
June 26, 2022, 10 a.m. 10.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (10) N/A -1.0 ppb (0) N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
June 26, 2022, 10 a.m. 10.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (10) N/A -1.0 ppb (0) N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
June 26, 2022, 9 a.m. 7.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (8) N/A -1.0 ppb (0) N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
June 26, 2022, 8 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A -1.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
June 26, 2022, 8 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A -1.0 ppb (0) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
June 26, 2022, 7 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A -1.0 ppb (0) N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
June 26, 2022, 5 a.m. 12.0 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (12) N/A -1.0 ppb (0) N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
June 26, 2022, 5 a.m. 12.0 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (12) N/A -1.0 ppb (0) N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
June 26, 2022, midnight 16.0 ppb (16) 3.0 ppb (3) N/A 13.0 ppb (13) N/A -1.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
June 26, 2022, midnight 16.0 ppb (16) 3.0 ppb (3) N/A 13.0 ppb (13) N/A -1.0 ppb (0) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
June 25, 2022, 11 p.m. 14.0 ppb (14) 3.0 ppb (3) N/A 11.0 ppb (11) N/A -1.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 25, 2022, 3 p.m. 15.0 ppb (15) 5.0 ppb (5) N/A 11.0 ppb (11) N/A -1.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 25, 2022, 3 p.m. 15.0 ppb (15) 5.0 ppb (5) N/A 11.0 ppb (11) N/A -1.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 25, 2022, 3 p.m. 15.0 ppb (15) 5.0 ppb (5) N/A 11.0 ppb (11) N/A -1.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 25, 2022, 2 p.m. 7.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A -1.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 25, 2022, 2 p.m. 7.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A -1.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 25, 2022, 2 p.m. 7.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A -1.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 25, 2022, 2 p.m. 7.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A -1.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 25, 2022, 1 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A -1.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 25, 2022, 1 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A -1.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 25, 2022, noon 7.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A -1.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 25, 2022, 10 a.m. 10.0 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (8) N/A -1.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 25, 2022, 9 a.m. 10.0 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (8) N/A -1.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 25, 2022, midnight 46.0 ppb (44) 3.0 ppb (3) N/A 43.0 ppb (41) N/A -1.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 44.0
 
June 25, 2022, midnight 46.0 ppb (44) 3.0 ppb (3) N/A 43.0 ppb (41) N/A -1.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 44.0
 
June 25, 2022, midnight 46.0 ppb (44) 3.0 ppb (3) N/A 43.0 ppb (41) N/A -1.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 44.0
 
June 25, 2022, midnight 46.0 ppb (44) 3.0 ppb (3) N/A 43.0 ppb (41) N/A -1.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 44.0
 
June 24, 2022, 11 p.m. 18.0 ppb (17) 1.0 ppb (1) N/A 17.0 ppb (17) N/A -1.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 24, 2022, 10 p.m. 27.0 ppb (26) 4.0 ppb (4) N/A 22.0 ppb (21) N/A -1.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 24, 2022, 9 p.m. 14.0 ppb (14) 1.0 ppb (1) N/A 13.0 ppb (13) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 24, 2022, 8 p.m. 32.0 ppb (31) 6.0 ppb (6) N/A 26.0 ppb (25) N/A 0.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 24, 2022, 7 p.m. 39.0 ppb (37) 8.0 ppb (8) N/A 31.0 ppb (30) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 37.0
 
June 24, 2022, 7 p.m. 39.0 ppb (37) 8.0 ppb (8) N/A 31.0 ppb (30) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 37.0
 
June 24, 2022, 3 p.m. 10.0 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 24, 2022, 2 p.m. 12.0 ppb (12) 3.0 ppb (3) N/A 9.0 ppb (9) N/A -1.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 24, 2022, 1 p.m. 21.0 ppb (20) 8.0 ppb (8) N/A 13.0 ppb (13) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 24, 2022, noon 28.0 ppb (27) 13.0 ppb (13) N/A 16.0 ppb (16) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 24, 2022, 11 a.m. 25.0 ppb (24) 11.0 ppb (11) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 24, 2022, 11 a.m. 25.0 ppb (24) 11.0 ppb (11) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 24, 2022, 10 a.m. 20.0 ppb (19) 6.0 ppb (6) N/A 14.0 ppb (14) N/A -1.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 24, 2022, 8 a.m. 15.0 ppb (15) 4.0 ppb (4) N/A 11.0 ppb (11) N/A -1.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 24, 2022, 7 a.m. 17.0 ppb (17) 1.0 ppb (1) N/A 16.0 ppb (16) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 24, 2022, 6 a.m. 19.0 ppb (18) 2.0 ppb (2) N/A 17.0 ppb (17) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 24, 2022, 6 a.m. 19.0 ppb (18) 2.0 ppb (2) N/A 17.0 ppb (17) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 24, 2022, 4 a.m. 22.0 ppb (21) 3.0 ppb (3) N/A 19.0 ppb (18) N/A -1.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 24, 2022, midnight 15.0 ppb (15) 3.0 ppb (3) N/A 12.0 ppb (12) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 24, 2022, midnight 15.0 ppb (15) 3.0 ppb (3) N/A 12.0 ppb (12) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 24, 2022, midnight 15.0 ppb (15) 3.0 ppb (3) N/A 12.0 ppb (12) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 24, 2022, midnight 15.0 ppb (15) 3.0 ppb (3) N/A 12.0 ppb (12) N/A -1.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 23, 2022, 11 p.m. 9.0 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 23, 2022, 9 p.m. 14.0 ppb (14) 4.0 ppb (4) N/A 10.0 ppb (10) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 23, 2022, 8 p.m. 21.0 ppb (20) 8.0 ppb (8) N/A 13.0 ppb (13) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 23, 2022, 8 p.m. 21.0 ppb (20) 8.0 ppb (8) N/A 13.0 ppb (13) N/A 0.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 23, 2022, 7 p.m. 20.0 ppb (19) 6.0 ppb (6) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 23, 2022, 7 p.m. 20.0 ppb (19) 6.0 ppb (6) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 23, 2022, 7 p.m. 20.0 ppb (19) 6.0 ppb (6) N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 23, 2022, 6 p.m. 22.0 ppb (21) 6.0 ppb (6) N/A 16.0 ppb (16) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 23, 2022, 6 p.m. 22.0 ppb (21) 6.0 ppb (6) N/A 16.0 ppb (16) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 23, 2022, 3 p.m. 25.0 ppb (24) 7.0 ppb (7) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 23, 2022, 8 a.m. 10.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 23, 2022, 8 a.m. 10.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 23, 2022, 7 a.m. 6.0 ppb (6) -1.0 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 23, 2022, 7 a.m. 6.0 ppb (6) -1.0 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 23, 2022, 7 a.m. 6.0 ppb (6) -1.0 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 23, 2022, 6 a.m. 11.0 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 23, 2022, 5 a.m. 11.0 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (10) N/A -1.0 ppb (0) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
June 23, 2022, 4 a.m. 11.0 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (10) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 23, 2022, 3 a.m. 18.0 ppb (17) 5.0 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 23, 2022, midnight 11.0 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 22, 2022, 11 p.m. 18.0 ppb (17) 7.0 ppb (7) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 22, 2022, 11 p.m. 18.0 ppb (17) 7.0 ppb (7) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 22, 2022, 10 p.m. 14.0 ppb (14) 6.0 ppb (6) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 22, 2022, 10 p.m. 14.0 ppb (14) 6.0 ppb (6) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 22, 2022, 9 p.m. 13.0 ppb (13) 5.0 ppb (5) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 22, 2022, 9 p.m. 13.0 ppb (13) 5.0 ppb (5) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 22, 2022, 8 p.m. 15.0 ppb (15) 7.0 ppb (7) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 22, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 22, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 22, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 22, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 22, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 22, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 22, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 22, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
June 22, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
June 22, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
June 22, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 22, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 22, 2022, midnight 39.0 ppb (37) 17.0 ppb (17) N/A 22.0 ppb (21) N/A -1.0 ppb (0) N/A N/A N/A 6.0 μg/m3 (25) 37.0
 
June 21, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
June 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0